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Fix bootstrap after patch PR debug/30161
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-09-01  Dodji Seketeli  <dodji@redhat.com>
2
3         PR bootstrap/41205
4         Fix AIX bootstrap after PR debug/30161
5         * dwarf2out.c (make_ith_pack_parameter_name): Don't used strnlen
6         that is a GNU extension.
7         (tmpl_value_parm_die_table): Move the definition of this global
8         outside #ifdef DWARF2_DEBUGGING_INFO region.
9
10 2009-09-01  Richard Guenther  <rguenther@suse.de>
11
12         * tree.c (tree_expr_size): New function.
13         * tree.h (tree_expr_size): Declare.
14         * rtlanal.c (rtx_addr_can_trap_p_1): Adjust comment.
15         * builtins.c (fold_builtin_memory_op): Use tree_expr_size.
16         * langhooks.c (lhd_expr_size): Remove.
17         * langhooks.h (struct lang_hooks): Remove expr_size.
18         * explow.c (expr_size): Use tree_expr_size.
19         (int_expr_size): Likewise.
20         * langhooks-def.h (lhd_expr_size): Remove.
21         (LANG_HOOKS_EXPR_SIZE): Likewise.
22         (LANG_HOOKS_INITIALIZER): Adjust.
23
24 2009-09-01  Richard Guenther  <rguenther@suse.de>
25
26         * tree-flow.h (mark_addressable): Move declaration ...
27         * tree.h (mark_addressable): ... here.
28         * stmt.c (expand_asm_operands): Use mark_addressable, not
29         lang_hooks.mark_addressable.
30         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
31         LANG_HOOKS_MARK_ADDRESSABLE.
32         * langhooks.h (struct lang_hooks): Remove mark_addressable langhook.
33         * c-objc-common.h (LANG_HOOKS_MARK_ADDRESSABLE): Remove.
34
35 2009-08-31  Chris Demetriou  <cgd@google.com>
36
37         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Never
38         vectorize if not TARGET_SSE2.
39
40 2009-08-31  DJ Delorie  <dj@redhat.com>
41
42         * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Exclude coprocessor
43         registers if no coprocessor is enabled.
44
45 2009-08-31  Dodji Seketeli  <dodji@redhat.com>
46
47         PR debug/30161
48         * cgraph.h (cgraph_get_node): Declare ...
49         * cgraph.c (cgraph_get_node): ... new function.
50         * dwarf2out.c (gen_generic_params_dies,
51         generic_parameter_die, tree_add_const_value_attribute_for_decl,
52         make_ith_pack_parameter_name,
53         append_entry_to_tmpl_value_parm_die_table,
54         gen_remaining_tmpl_value_param_die_attribute): New functions.
55         (gen_subprogram_die): Generate debug info for template parameters
56         if debug info level is higher than DINFO_LEVEL_TERSE.
57         Use tree_add_const_value_attribute_for_decl instead of
58         tree_add_const_value_attribute.
59         (gen_const_die): Use tree_add_const_value_attribute_for_decl
60         instead of tree_add_const_value_attribute.
61         (gen_struct_or_union_type_die): Generate debug
62         info for template parameters if debug info level is higher than
63         DINFO_LEVEL_TERSE.
64         (tree_add_const_value_attribute): Handle integral and pointer
65         constants. Update comment.
66         (dwarf_tag_name): Support DW_TAG_GNU_template_template_param.
67         (dwarf_attr_name): Support DW_AT_GNU_template_name.
68         (reference_to_unused): Fix thinko. Remove redundant predicates from
69         tests.
70         (tree_add_const_value_attribute): Make this work for constant
71         expressions only.
72         tree_add_const_value_attribute_for_decl is to be used for variable
73         DECLs now.
74         (add_location_or_const_value_attribute): Use
75         tree_add_const_value_attribute_for_decl now.
76         (dwarf2out_finish): Emit the DW_AT_const_value attribute of
77         DW_TAG_template_value_param DIEs after function DIEs have been
78         emitted.
79         * langhooks.h (lang_hooks_for_types): Add
80         get_argument_pack_elems.
81         (lang_hooks_for_decls): Add generic_generic_parameter_decl_p.
82         (lang_hooks): Added get_innermost_generic_parms,
83         get_innermost_generic_args.
84         * langhooks-def.h (LANG_HOOKS_GET_INNERMOST_GENERIC_PARMS,
85         LANG_HOOKS_GET_INNERMOST_GENERIC_ARGS,
86         LANG_HOOKS_GET_ARGUMENT_PACK_ELEMS,
87         LANG_HOOKS_GENERIC_GENERIC_PARAMETER_DECL_P): New language hooks.
88
89 2009-08-31  DJ Delorie  <dj@redhat.com>
90
91         * config/mep/mep.c (machine_function): Add frame_locked flag.  Set
92         it once we start generating the prologue or epilogue.
93         (mep_call_saves_register): If the frame is locked, re-use
94         cached values.
95         (mep_assign_save_slots): New, broken out from mep_expand_prologue.
96         (mep_expand_prologue): Call it.
97         (mep_expand_epilogue): Likewise.
98         (mep_start_function): Use the same logic as mep_expand_prologue.
99         (mep_pass_by_reference): Make logic more readable.
100         (mep_return_in_memory): Zero-sized objects are passed in memory.
101         (mep_reorg_noframe): Make sure we have accurate REG_DEAD notes.
102
103
104 2009-08-31  Richard Guenther  <rguenther@suse.de>
105
106         * builtins.c (fold_builtin_memory_op): Use the alias oracle
107         to query if the memory regions for memmove overlap.
108         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Relax the
109         asserts on pointers, instead deal with odd trees.
110         (ptr_derefs_may_alias_p): Likewise.
111         (refs_may_alias_p_1): Constructor bases also never alias.
112
113 2009-08-31  Gerald Pfeifer  <gerald@pfeifer.com>
114
115         * doc/install.texi (Final install): Adjust reference on where to
116         order printed manuals.
117
118 2009-08-30  Olivier Hainque  <hainque@adacore.com>
119
120         * dwarf2out.c (switch_to_frame_table_section): Move
121         definition prior to first use.
122
123 2009-08-30  Richard Guenther  <rguenther@suse.de>
124
125         PR tree-optimization/41186
126         * tree-ssa-alias.c (ptr_deref_may_alias_ref_p): Remove.
127         (ao_ref_init_from_ptr_and_size): New function.
128         (ref_maybe_used_by_call_p_1): Be more precise tracking
129         used ranges for builtin functions.
130         (ref_maybe_used_by_call_p): Adjust.
131         (call_may_clobber_ref_p_1): Be more precise tracking clobbered
132         ranges for builtin functions.
133         * tree-ssa-alias.h (ao_ref_init_from_ptr_and_size): Declare.
134
135 2009-08-30  Alan Modra  <amodra@bigpond.net.au>
136
137         PR target/41081
138         * fwprop.c (get_reg_use_in): Delete.
139         (free_load_extend): New function.
140         (forward_propagate_subreg): Use it.
141
142 2009-08-29  Kaz Kojima  <kkojima@gcc.gnu.org>
143
144         * config.gcc (sh*-*-elf): Add superh stuff only for sh*-superh-elf.
145
146 2009-08-29  Kai Tietz<kai.tietz@onevision.com>
147
148         PR/41184
149         * config/i386.c (ix86_expand_epilogue): Correct stack adjustment for
150         padding.
151
152 2009-08-29  Douglas B Rupp  <rupp@gnat.com>
153
154         * crtstuff.c (__do_global_dtors_aux): Use atexit if no
155         fini or fini_array section.
156
157 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
158
159         * graphite-dependences.c (graphite_legal_transform_bb): Call
160         pbb_remove_duplicate_pdrs.
161         * graphite-poly.c (can_collapse_pdr): Removed.
162         (pdr_find_duplicate): Removed.
163         (can_collapse_pdrs): New.
164         (pbb_remove_duplicate_pdrs): New.
165         (new_poly_dr): Do not look for duplicates.
166         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
167         (PBB_PDR_DUPLICATES_REMOVED): New.
168         (pbb_remove_duplicate_pdrs): Declared.
169
170 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
171
172         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
173         the strides by multiplying by PDR_NB_REFS.
174         * graphite-poly.c (can_collapse_pdr): New.
175         (pdr_find_duplicate): New.
176         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
177         Initialize PDR_NB_REFS.
178         * graphite-poly.h (struct poly_dr): Add field nb_refs.
179         (PDR_NB_REFS): New.
180         (new_poly_dr): Number of subscripts is a graphite_dim_t.
181
182 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
183
184         PR middle-end/40965
185         * graphite-poly.c (apply_poly_transforms): Remove legality test before
186         any transform.
187
188 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
189
190         * graphite-dependences.c (pddr_original_scattering): Return NULL
191         for read-read dependence relations.
192         * graphite-poly.h (enum poly_dr_type): Fix comment.
193         (pdr_read_p): New.
194         (pdr_write_p): New.
195         (pdr_may_write_p): New.
196
197 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
198
199         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
200         (struct poly_dr): Same.
201         (new_poly_dr): Same.
202         * graphite-poly.c (new_poly_dr): Same.
203         * graphite-dependences.c (dot_deps): Disable call to system.
204
205 2009-08-28  Cary Coutant  <ccoutant@google.com>
206
207         PR debug/41063
208         * dwarf2out.c (gen_type_die_with_usage): Use proper context for
209         struct/union/enum types local to a function.
210
211 2009-08-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
212             Sebastian Pop  <sebastian.pop@amd.com>
213
214         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
215         pbb_strip_mine_time_depth.  Changed the implementation so that
216         transformation is expressed as a transformation on
217         time (scatttering) dimensions.  Also, ensures that the 2d+1
218         scheduling format is preserved.
219         (pbb_strip_mine_profitable_p): Profitability is based on the
220         iteration number of a given time (scattering) dimension,
221         and not on a original loop depth dimension.
222         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
223         (pbb_do_strip_mine): Call psct_dynamic_dim.
224         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
225         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
226         (pbb_nb_dynamic_scattering_transform): New.
227         (psct_dynamic_dim): New.
228
229 2009-08-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
230
231         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
232         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
233         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
234         * graphite-interchange.c (build_linearized_memory_access): Same.
235         (memory_stride_in_loop): Same.
236
237 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
238
239         * graphite-dependences.c (pddr_original_scattering): New.
240         (graphite_legal_transform_dr): Call pddr_original_scattering.
241         (dot_deps_1): New.
242         (dot_deps): New.
243         * graphite-dependences.h (dot_deps): Declared.
244         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
245         (print_pdr): Print PDR_ID.
246         * graphite-poly.h (struct poly_dr): Add field id.
247         (PDR_ID): New.
248         (pbb_index): New.
249         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
250
251 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
252
253         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
254         not delete the original dependence relation.
255
256 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
257
258         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
259         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
260         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
261         (free_poly_ddr): New.
262         (pddr_is_empty): New.
263         (dependence_polyhedron_1): Now returns a poly_ddr_p.
264         (dependence_polyhedron): Same.  Remove useless gcc_assert.
265         Remove fprintfs.
266         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
267         (graphite_carried_dependence_level_k): Call pddr_is_empty.
268         * graphite-dependences.h (enum poly_dependence_kind): New.
269         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
270         (PDRP_SOURCE): Renamed PDDR_SOURCE.
271         (PDRP_SINK): Renamed PDDR_SINK.
272         (PDRP_DDP): Renamed PDDR_DDP.
273         (PDDR_KIND): New.
274         (free_poly_ddr): Declared.
275         * graphite-poly.c (new_scop): Use the new hash function names.
276         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
277         into original_pddrs.
278         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
279
280 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
281
282         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
283         bounds with LT_EXPR to make niter analysis more precise on code
284         generated by Graphite.
285
286 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
287
288         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
289         (graphite_legal_transform_bb): Same.
290         (poly_drs_may_alias_p): Same.
291
292 2009-08-28  Richard Guenther  <rguenther@suse.de>
293
294         * tree.def: Remove note about obsolete TYPE_NONCOPIED_PARTS.
295
296 2009-08-28  Jan Beulich  <jbeulich@novell.com>
297
298         * config/i386/netware.c: Include langhooks.h.
299         (i386_nlm_encode_section_info): Simplify.
300         (netware_override_options): Delete.
301         * config/i386/netware.h (netware_override_options): Delete
302         declaration.
303         (OVERRIDE_OPTIONS): Delete definition.
304         (SUBTARGET_OVERRIDE_OPTIONS): Define.
305         (ASM_COMMENT_START): Define.
306         * config/i386/nwld.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Define.
307
308 2009-08-28  Jan Beulich  <jbeulich@novell.com>
309
310         * configure.ac: For in-tree ld, do a plain version check to
311         determine whether comdat groups are supported.
312         * configure: Regenerate.
313
314 2009-08-28  Olivier Hainque  <hainque@adacore.com>
315
316         * collect2.c (DO_COLLECT_EXPORT_LIST): New internal macro,
317         always defined.  Reflect definition or absence of such for
318         COLLECT_EXPORT_LIST.  Readability helper.
319         (scanfilter): New enum, to help control what symbols
320         are to be considered or ignored by scan_prog_file.
321         (enum pass): Rename as "scanpass", moved together with scanfilter
322         prior to scan_prog_file's prototype.
323         (scan_prog_file): Accept and honor scanpass and scanfilter arguments.
324         Group prototype with the scanpass/scanfilter definitions, factorize
325         head comments for the several implementations at the prototype.
326         (main): Reorganize the first pass link control to let AIX
327         drag only the needed frame tables in executables.  Prevent
328         frame tables collection during the scan aimed at static ctors.
329         Pre-link and scan for frame tables later to compensate.
330         * doc/tm.texi (ASM_OUTPUT_DWARF_TABLE_REF): New macro.
331         A C statement to issue assembly directives that create a reference
332         to the given DWARF table identifier label from the current function
333         section.
334         * dwarf2out.c (switch_to_eh_frame_section): Add a BACK argument
335         to differentiate first time section entry.  Only emit a .data
336         tables start identifier label the first time around.
337         (switch_to_frame_table_section): New function.  Helper for
338         output_call_frame_info to switch possibly BACK into the eh_frame
339         or the debug_frame section depending on FOR_EH.
340         (output_call_frame_info): Use helper to first enter the proper
341         frame section.
342         (output_fde): Use ASM_OUTPUT_DWARF_TABLE_REF when defined to
343         emit a link to the frame table start label from each function
344         section.
345         * config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_table_ref):
346         New function.  Implementation of ASM_OUTPUT_DWARF_TABLE_REF.
347         * config/rs6000/rs6000-protos.h: Declare it.
348         * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Define.
349
350 2009-08-27  Kaz Kojima  <kkojima@gcc.gnu.org>
351
352         * config/sh/sh.c (split_branches): Check the result of
353         next_active_insn.
354
355 2009-08-27  Steve Ellcey  <sje@cup.hp.com>
356
357         * config/ia64/hpux.h (LIB_SPEC): Add -lrt for when
358         using -pthread -fopenmp
359
360 2009-08-27  Gerald Pfeifer  <gerald@pfeifer.com>
361
362         * doc/service.texi (service directory): Update URL.
363
364 2009-08-27  Uros Bizjak  <ubizjak@gmail.com>
365
366         PR rtl-optimization/40861
367         * simplify-rtx.c (simplify_subreg): Do not call simplify_gen_subreg to
368         extract word from a multi-word subreg for negative byte positions.
369
370 2009-08-27  Tristan Gingold  <gingold@adacore.com>
371             Douglas B Rupp  <rupp@gnat.com>
372
373         * config/ia64/ia64.c (ia64_attribute_table): Add "common_object" entry.
374         (SECTION_VMS_OVERLAY): Define.
375         (ia64_vms_common_object_attribute): Added.  Handle the "common_object"
376         attribute.
377         (ia64_vms_elf_asm_named_section): Added.  Generate .section pseudo-op
378         for common_object.
379         (ia64_vms_output_aligned_decl_common): Added.  Generate pseudo-op for
380         common_object declarations.
381         (ia64_section_type_flags): Set section flag for common_object.
382         * config/ia64/ia64-protos.h
383         (ia64_vms_output_aligned_decl_common): Declare.
384         (ia64_vms_elf_asm_named_section): Declare.
385
386 2009-08-27  Michael Matz  <matz@suse.de>
387
388         * expr.c (expand_expr_real_2): New function taking exploded
389         unary or binary expression, split out from ...
390         (expand_expr_real_1): ... here.  Move over all unary/binary
391         switch parts to above function, in particular these codes:
392         PAREN_EXPR, NOP_EXPR, CONVERT_EXPR, POINTER_PLUS_EXPR, PLUS_EXPR,
393         MINUS_EXPR, MULT_EXPR, TRUNC_DIV_EXPR, FLOOR_DIV_EXPR, CEIL_DIV_EXPR,
394         ROUND_DIV_EXPR, EXACT_DIV_EXPR, RDIV_EXPR, TRUNC_MOD_EXPR,
395         FLOOR_MOD_EXPR, CEIL_MOD_EXPR, ROUND_MOD_EXPR, FIXED_CONVERT_EXPR,
396         FIX_TRUNC_EXPR, FLOAT_EXPR, NEGATE_EXPR, ABS_EXPR, MAX_EXPR, MIN_EXPR,
397         BIT_NOT_EXPR, TRUTH_AND_EXPR, BIT_AND_EXPR, TRUTH_OR_EXPR,
398         BIT_IOR_EXPR, TRUTH_XOR_EXPR, BIT_XOR_EXPR, LROTATE_EXPR, RROTATE_EXPR,
399         LSHIFT_EXPR, RSHIFT_EXPR, LT_EXPR, LE_EXPR, GT_EXPR, GE_EXPR, EQ_EXPR,
400         NE_EXPR, UNORDERED_EXPR, ORDERED_EXPR, UNLT_EXPR, UNLE_EXPR, UNGT_EXPR,
401         UNGE_EXPR, UNEQ_EXPR, LTGT_EXPR, TRUTH_NOT_EXPR, COMPLEX_EXPR,
402         WIDEN_SUM_EXPR, REDUC_MAX_EXPR, REDUC_MIN_EXPR, REDUC_PLUS_EXPR,
403         VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR, VEC_INTERLEAVE_HIGH_EXPR,
404         VEC_INTERLEAVE_LOW_EXPR, VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR,
405         VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR, VEC_UNPACK_FLOAT_HI_EXPR,
406         VEC_UNPACK_FLOAT_LO_EXPR, VEC_WIDEN_MULT_HI_EXPR,
407         VEC_WIDEN_MULT_LO_EXPR, VEC_PACK_TRUNC_EXPR, VEC_PACK_SAT_EXPR,
408         VEC_PACK_FIX_TRUNC_EXPR.
409         (<case PAREN_EXPR>): Call set_mem_attributes() with type, not the
410         full expression.
411
412 2009-08-27  Richard Guenther  <rguenther@suse.de>
413
414         * gengtype.c (main): Handle uint64_t.
415         * ipa-utils.c (get_base_var): Indent properly.
416         * tree-ssa-live.c (debug_scope_block): New function.
417         * tree-flow.h (debug_scope_block): Declare.
418         * tree-ssa-copy.c (replace_exp_1): Add vertical space.
419         * basic-block.h (enum profile_status): Rename to
420         enum profile_status_d.
421         (x_profile_status): Adjust type.
422
423 2009-08-27  Dodji Seketeli  <dodji@redhat.com>
424
425         PR debug/41170
426         * dwarf2out.c (get_context_die): Declare this static function.
427         (gen_type_die_with_usage): Make sure a DIE is a generated for
428         the context of a typedef.
429
430 2009-08-26  Anatoly Sokolov  <aesok@post.ru>
431
432         * doc/invoke.texi (AVR Options): Remove documentation of -minit-stack
433         switch.
434
435 2009-08-26  Richard Sandiford  <rdsandiford@googlemail.com>
436
437         * config/mips/mips-protos.h (mips_output_sync): Declare.
438         (mips_sync_loop_insns): Likewise.
439         (mips_output_sync_loop): Replace first two parameters with an rtx.
440         * config/mips/mips.c (mips_multi_member): New structure.
441         (mips_multi_members): New variable.
442         (mips_multi_start): New function.
443         (mips_multi_add): Likewise.
444         (mips_multi_add_insn): Likewise.
445         (mips_multi_add_label): Likewise.
446         (mips_multi_last_index): Likewise.
447         (mips_multi_copy_insn): Likewise.
448         (mips_multi_set_operand): Likewise.
449         (mips_multi_write): Likewise.
450         (mips_print_operand_punctuation): Remove '%|' and '%-'.
451         (mips_init_print_operand_punct): Update accordingly.
452         (mips_start_ll_sc_sync_block): New function.
453         (mips_end_ll_sc_sync_block): Likewise.
454         (mips_output_sync): Likewise.
455         (mips_sync_insn1_template): Likewise.
456         (mips_sync_insn2_template): Likewise.
457         (mips_get_sync_operand): Likewise.
458         (mips_process_sync_loop): Likewise.
459         (mips_output_sync_loop): Use mips_process_sync_loop.
460         (mips_sync_loop_insns): New function.
461         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Delete.
462         (MIPS_COMPARE_AND_SWAP_12): Likewise.
463         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP): Likewise.
464         (MIPS_COMPARE_AND_SWAP_12_NONZERO_OP): Likewise.
465         (MIPS_SYNC_OP, MIPS_SYNC_OP_12): Likewise.
466         (MIPS_SYNC_OP_12_AND, MIPS_SYNC_OP_12_XOR): Likewise.
467         (MIPS_SYNC_OLD_OP_12): Likewise.
468         (MIPS_SYNC_OLD_OP_12_AND, MIPS_SYNC_OLD_OP_12_XOR): Likewise.
469         (MIPS_SYNC_NEW_OP_12): Likewise.
470         (MIPS_SYNC_NEW_OP_12_AND, MIPS_SYNC_NEW_OP_12_XOR): Likewise.
471         (MIPS_SYNC_OLD_OP, MIPS_SYNC_NEW_OP): Likewise.
472         (MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND, MIPS_SYNC_NEW_NAND): Likewise.
473         (MIPS_SYNC_EXCHANGE, MIPS_SYNC_EXCHANGE_12): Likewise.
474         (MIPS_SYNC_EXCHANGE_12_ZERO_OP): Likewise.
475         (MIPS_SYNC_EXCHANGE_12_NONZER_OP): Likewise.
476         * config/mips/mips.md (sync_mem): New attribute.
477         (sync_oldval, sync_newval, sync_inclusive_mask): Likewise.
478         (sync_exclusive_mask, sync_required_oldval): Likewise.
479         (sync_insn1_op2, sync_insn1, sync_insn2): Likewise.
480         (sync_release_barrier): Likewise.
481         (length): Handle sync loops.
482         (sync): Use mips_output_sync.
483         * config/mips/sync.md (*memory_barrier): Use mips_output_sync.
484         (sync_compare_and_swap<mode>): Set the new sync_* attributes
485         and use mips_output_sync_loop.
486         (compare_and_swap_12, sync_add<mode>, sync_<optab>_12): Likewise.
487         (sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12): Likewise.
488         (sync_old_nand_12, sync_new_nand_12, sync_sub<mode>): Likewise.
489         (sync_old_add<mode>, sync_old_sub<mode>): Likewise.
490         (sync_new_add<mode>, sync_new_sub<mode>): Likewise.
491         (sync_<optab><mode>, sync_old_<optab><mode>): Likewise.
492         (sync_new_<optab><mode>, sync_nand<mode>): Likewise.
493         (sync_old_nand<mode>, sync_new_nand<mode>): Likewise.
494         (sync_lock_test_and_set<mode>, test_and_set_12): Likewise.
495
496 2009-08-26  Richard Guenther  <rguenther@suse.de>
497
498         PR middle-end/41163
499         * gimplify.c (gimplify_addr_expr): Canonicalize ADDR_EXPRs if
500         the types to not match.
501         * tree-cfg.c (verify_gimple_assign_single): Adjust ADDR_EXPR
502         verification.
503         * tree-ssa.c (useless_type_conversion_p): Conversions to
504         pointers to unprototyped functions are useless.
505
506 2009-08-26  Richard Guenther  <rguenther@suse.de>
507
508         * tree-ssa-structalias.c (create_variable_info_for): Remove strange
509         whole-program condition, prepare to be called for non-globals.
510         (intra_create_variable_infos): For restrict qualified DECL_BY_REFERENCE
511         params build a representative with known type and track its fields.
512
513 2009-08-26  Uros Bizjak  <ubizjak@gmail.com>
514
515         * config/alpha/sync.md: Update comment about unpredictable LL/SC lock
516         clearing by a taken branch.
517         (sync_<fetchop_name><mode>): Split when epilogue_completed is set,
518         effectively after bbro pass.
519         (sync_nand<mode>): Ditto.
520         (sync_old_<fetchop_name><mode>): Ditto.
521         (sync_old_nand<mode>): Ditto.
522         (sync_new_<fetchop_name><mode>): Dito.
523         (sync_new_nand<mode>): Ditto.
524         (sync_compare_and_swap<mode>_1): Ditto.
525         (*sync_compare_and_swap<mode>): Ditto.
526         (sync_lock_test_and_set<mode>_1): Ditto.
527         ("sync_lock_test_and_set<mode>): Ditto.
528
529 2009-08-25  Douglas B Rupp  <rupp@gnat.com>
530
531         * hwint.h (HOST_LONG_FORMAT): New macro
532         * bitmap.c, c-decl.c, mips-tfile.c, print-rtl.c, print-tree.c:
533         Use HOST_PTR_PRINTF.
534         * system.h (HOST_PTR_PRINTF): Resurrect old macro
535         * doc/hostconfig.texi (HOST_LONG_FORMAT): Document.
536         (HOST_PTR_PRINTF): Document.
537
538 2009-08-25 Jan Hubicka  <jh@suse.cz>
539
540         * config/i386/bmmintrin.h: Replace by #error.
541
542         Revert:
543         Michael Meissner  <michael.meissner@amd.com>
544         Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
545         Tony Linthicum  <tony.linthicum@amd.com>
546
547         * config/i386/i386.h (TARGET_SSE5): New macro for SSE5.
548         (TARGET_ROUND): New macro for the round/ptest instructions which
549         are shared between SSE4.1 and SSE5.
550         (OPTION_MASK_ISA_ROUND): Ditto.
551         (OPTION_ISA_ROUND): Ditto.
552         (TARGET_FUSED_MADD): New macro for -mfused-madd swtich.
553         (TARGET_CPU_CPP_BUILTINS): Add SSE5 support.
554
555         * config/i386/i386.opt (-msse5): New switch for SSE5 support.
556         (-mfused-madd): New switch to give users control over whether the
557         compiler optimizes to use the multiply/add SSE5 instructions.
558
559         * config/i386/i386.c (enum pta_flags): Add PTA_SSE5.
560         (ix86_handle_option): Turn off 3dnow if -msse5.
561         (override_options): Add SSE5 support.
562         (print_operand): %Y prints comparison codes for SSE5 com/pcom
563         instructions.
564         (ix86_expand_sse_movcc): Add SSE5 support.
565         (ix86_expand_sse5_unpack): New function to use pperm to unpack a
566         vector type to the next largest size.
567         (ix86_expand_sse5_pack): New function to use pperm to pack a
568         vector type to the next smallest size.
569         (IX86_BUILTIN_FMADDSS): New for SSE5 intrinsic.
570         (IX86_BUILTIN_FMADDSD): Ditto.
571         (IX86_BUILTIN_FMADDPS): Ditto.
572         (IX86_BUILTIN_FMADDPD): Ditto.
573         (IX86_BUILTIN_FMSUBSS): Ditto.
574         (IX86_BUILTIN_FMSUBSD): Ditto.
575         (IX86_BUILTIN_FMSUBPS): Ditto.
576         (IX86_BUILTIN_FMSUBPD): Ditto.
577         (IX86_BUILTIN_FNMADDSS): Ditto.
578         (IX86_BUILTIN_FNMADDSD): Ditto.
579         (IX86_BUILTIN_FNMADDPS): Ditto.
580         (IX86_BUILTIN_FNMADDPD): Ditto.
581         (IX86_BUILTIN_FNMSUBSS): Ditto.
582         (IX86_BUILTIN_FNMSUBSD): Ditto.
583         (IX86_BUILTIN_FNMSUBPS): Ditto.
584         (IX86_BUILTIN_FNMSUBPD): Ditto.
585         (IX86_BUILTIN_PCMOV_V2DI): Ditto.
586         (IX86_BUILTIN_PCMOV_V4SI): Ditto.
587         (IX86_BUILTIN_PCMOV_V8HI): Ditto.
588         (IX86_BUILTIN_PCMOV_V16QI): Ditto.
589         (IX86_BUILTIN_PCMOV_V4SF): Ditto.
590         (IX86_BUILTIN_PCMOV_V2DF): Ditto.
591         (IX86_BUILTIN_PPERM): Ditto.
592         (IX86_BUILTIN_PERMPS): Ditto.
593         (IX86_BUILTIN_PERMPD): Ditto.
594         (IX86_BUILTIN_PMACSSWW): Ditto.
595         (IX86_BUILTIN_PMACSWW): Ditto.
596         (IX86_BUILTIN_PMACSSWD): Ditto.
597         (IX86_BUILTIN_PMACSWD): Ditto.
598         (IX86_BUILTIN_PMACSSDD): Ditto.
599         (IX86_BUILTIN_PMACSDD): Ditto.
600         (IX86_BUILTIN_PMACSSDQL): Ditto.
601         (IX86_BUILTIN_PMACSSDQH): Ditto.
602         (IX86_BUILTIN_PMACSDQL): Ditto.
603         (IX86_BUILTIN_PMACSDQH): Ditto.
604         (IX86_BUILTIN_PMADCSSWD): Ditto.
605         (IX86_BUILTIN_PMADCSWD): Ditto.
606         (IX86_BUILTIN_PHADDBW): Ditto.
607         (IX86_BUILTIN_PHADDBD): Ditto.
608         (IX86_BUILTIN_PHADDBQ): Ditto.
609         (IX86_BUILTIN_PHADDWD): Ditto.
610         (IX86_BUILTIN_PHADDWQ): Ditto.
611         (IX86_BUILTIN_PHADDDQ): Ditto.
612         (IX86_BUILTIN_PHADDUBW): Ditto.
613         (IX86_BUILTIN_PHADDUBD): Ditto.
614         (IX86_BUILTIN_PHADDUBQ): Ditto.
615         (IX86_BUILTIN_PHADDUWD): Ditto.
616         (IX86_BUILTIN_PHADDUWQ): Ditto.
617         (IX86_BUILTIN_PHADDUDQ): Ditto.
618         (IX86_BUILTIN_PHSUBBW): Ditto.
619         (IX86_BUILTIN_PHSUBWD): Ditto.
620         (IX86_BUILTIN_PHSUBDQ): Ditto.
621         (IX86_BUILTIN_PROTB): Ditto.
622         (IX86_BUILTIN_PROTW): Ditto.
623         (IX86_BUILTIN_PROTD): Ditto.
624         (IX86_BUILTIN_PROTQ): Ditto.
625         (IX86_BUILTIN_PROTB_IMM): Ditto.
626         (IX86_BUILTIN_PROTW_IMM): Ditto.
627         (IX86_BUILTIN_PROTD_IMM): Ditto.
628         (IX86_BUILTIN_PROTQ_IMM): Ditto.
629         (IX86_BUILTIN_PSHLB): Ditto.
630         (IX86_BUILTIN_PSHLW): Ditto.
631         (IX86_BUILTIN_PSHLD): Ditto.
632         (IX86_BUILTIN_PSHLQ): Ditto.
633         (IX86_BUILTIN_PSHAB): Ditto.
634         (IX86_BUILTIN_PSHAW): Ditto.
635         (IX86_BUILTIN_PSHAD): Ditto.
636         (IX86_BUILTIN_PSHAQ): Ditto.
637         (IX86_BUILTIN_FRCZSS): Ditto.
638         (IX86_BUILTIN_FRCZSD): Ditto.
639         (IX86_BUILTIN_FRCZPS): Ditto.
640         (IX86_BUILTIN_FRCZPD): Ditto.
641         (IX86_BUILTIN_CVTPH2PS): Ditto.
642         (IX86_BUILTIN_CVTPS2PH): Ditto.
643         (IX86_BUILTIN_COMEQSS): Ditto.
644         (IX86_BUILTIN_COMNESS): Ditto.
645         (IX86_BUILTIN_COMLTSS): Ditto.
646         (IX86_BUILTIN_COMLESS): Ditto.
647         (IX86_BUILTIN_COMGTSS): Ditto.
648         (IX86_BUILTIN_COMGESS): Ditto.
649         (IX86_BUILTIN_COMUEQSS): Ditto.
650         (IX86_BUILTIN_COMUNESS): Ditto.
651         (IX86_BUILTIN_COMULTSS): Ditto.
652         (IX86_BUILTIN_COMULESS): Ditto.
653         (IX86_BUILTIN_COMUGTSS): Ditto.
654         (IX86_BUILTIN_COMUGESS): Ditto.
655         (IX86_BUILTIN_COMORDSS): Ditto.
656         (IX86_BUILTIN_COMUNORDSS): Ditto.
657         (IX86_BUILTIN_COMFALSESS): Ditto.
658         (IX86_BUILTIN_COMTRUESS): Ditto.
659         (IX86_BUILTIN_COMEQSD): Ditto.
660         (IX86_BUILTIN_COMNESD): Ditto.
661         (IX86_BUILTIN_COMLTSD): Ditto.
662         (IX86_BUILTIN_COMLESD): Ditto.
663         (IX86_BUILTIN_COMGTSD): Ditto.
664         (IX86_BUILTIN_COMGESD): Ditto.
665         (IX86_BUILTIN_COMUEQSD): Ditto.
666         (IX86_BUILTIN_COMUNESD): Ditto.
667         (IX86_BUILTIN_COMULTSD): Ditto.
668         (IX86_BUILTIN_COMULESD): Ditto.
669         (IX86_BUILTIN_COMUGTSD): Ditto.
670         (IX86_BUILTIN_COMUGESD): Ditto.
671         (IX86_BUILTIN_COMORDSD): Ditto.
672         (IX86_BUILTIN_COMUNORDSD): Ditto.
673         (IX86_BUILTIN_COMFALSESD): Ditto.
674         (IX86_BUILTIN_COMTRUESD): Ditto.
675         (IX86_BUILTIN_COMEQPS): Ditto.
676         (IX86_BUILTIN_COMNEPS): Ditto.
677         (IX86_BUILTIN_COMLTPS): Ditto.
678         (IX86_BUILTIN_COMLEPS): Ditto.
679         (IX86_BUILTIN_COMGTPS): Ditto.
680         (IX86_BUILTIN_COMGEPS): Ditto.
681         (IX86_BUILTIN_COMUEQPS): Ditto.
682         (IX86_BUILTIN_COMUNEPS): Ditto.
683         (IX86_BUILTIN_COMULTPS): Ditto.
684         (IX86_BUILTIN_COMULEPS): Ditto.
685         (IX86_BUILTIN_COMUGTPS): Ditto.
686         (IX86_BUILTIN_COMUGEPS): Ditto.
687         (IX86_BUILTIN_COMORDPS): Ditto.
688         (IX86_BUILTIN_COMUNORDPS): Ditto.
689         (IX86_BUILTIN_COMFALSEPS): Ditto.
690         (IX86_BUILTIN_COMTRUEPS): Ditto.
691         (IX86_BUILTIN_COMEQPD): Ditto.
692         (IX86_BUILTIN_COMNEPD): Ditto.
693         (IX86_BUILTIN_COMLTPD): Ditto.
694         (IX86_BUILTIN_COMLEPD): Ditto.
695         (IX86_BUILTIN_COMGTPD): Ditto.
696         (IX86_BUILTIN_COMGEPD): Ditto.
697         (IX86_BUILTIN_COMUEQPD): Ditto.
698         (IX86_BUILTIN_COMUNEPD): Ditto.
699         (IX86_BUILTIN_COMULTPD): Ditto.
700         (IX86_BUILTIN_COMULEPD): Ditto.
701         (IX86_BUILTIN_COMUGTPD): Ditto.
702         (IX86_BUILTIN_COMUGEPD): Ditto.
703         (IX86_BUILTIN_COMORDPD): Ditto.
704         (IX86_BUILTIN_COMUNORDPD): Ditto.
705         (IX86_BUILTIN_COMFALSEPD): Ditto.
706         (IX86_BUILTIN_COMTRUEPD): Ditto.
707         (IX86_BUILTIN_PCOMEQUB): Ditto.
708         (IX86_BUILTIN_PCOMNEUB): Ditto.
709         (IX86_BUILTIN_PCOMLTUB): Ditto.
710         (IX86_BUILTIN_PCOMLEUB): Ditto.
711         (IX86_BUILTIN_PCOMGTUB): Ditto.
712         (IX86_BUILTIN_PCOMGEUB): Ditto.
713         (IX86_BUILTIN_PCOMFALSEUB): Ditto.
714         (IX86_BUILTIN_PCOMTRUEUB): Ditto.
715         (IX86_BUILTIN_PCOMEQUW): Ditto.
716         (IX86_BUILTIN_PCOMNEUW): Ditto.
717         (IX86_BUILTIN_PCOMLTUW): Ditto.
718         (IX86_BUILTIN_PCOMLEUW): Ditto.
719         (IX86_BUILTIN_PCOMGTUW): Ditto.
720         (IX86_BUILTIN_PCOMGEUW): Ditto.
721         (IX86_BUILTIN_PCOMFALSEUW): Ditto.
722         (IX86_BUILTIN_PCOMTRUEUW): Ditto.
723         (IX86_BUILTIN_PCOMEQUD): Ditto.
724         (IX86_BUILTIN_PCOMNEUD): Ditto.
725         (IX86_BUILTIN_PCOMLTUD): Ditto.
726         (IX86_BUILTIN_PCOMLEUD): Ditto.
727         (IX86_BUILTIN_PCOMGTUD): Ditto.
728         (IX86_BUILTIN_PCOMGEUD): Ditto.
729         (IX86_BUILTIN_PCOMFALSEUD): Ditto.
730         (IX86_BUILTIN_PCOMTRUEUD): Ditto.
731         (IX86_BUILTIN_PCOMEQUQ): Ditto.
732         (IX86_BUILTIN_PCOMNEUQ): Ditto.
733         (IX86_BUILTIN_PCOMLTUQ): Ditto.
734         (IX86_BUILTIN_PCOMLEUQ): Ditto.
735         (IX86_BUILTIN_PCOMGTUQ): Ditto.
736         (IX86_BUILTIN_PCOMGEUQ): Ditto.
737         (IX86_BUILTIN_PCOMFALSEUQ): Ditto.
738         (IX86_BUILTIN_PCOMTRUEUQ): Ditto.
739         (IX86_BUILTIN_PCOMEQB): Ditto.
740         (IX86_BUILTIN_PCOMNEB): Ditto.
741         (IX86_BUILTIN_PCOMLTB): Ditto.
742         (IX86_BUILTIN_PCOMLEB): Ditto.
743         (IX86_BUILTIN_PCOMGTB): Ditto.
744         (IX86_BUILTIN_PCOMGEB): Ditto.
745         (IX86_BUILTIN_PCOMFALSEB): Ditto.
746         (IX86_BUILTIN_PCOMTRUEB): Ditto.
747         (IX86_BUILTIN_PCOMEQW): Ditto.
748         (IX86_BUILTIN_PCOMNEW): Ditto.
749         (IX86_BUILTIN_PCOMLTW): Ditto.
750         (IX86_BUILTIN_PCOMLEW): Ditto.
751         (IX86_BUILTIN_PCOMGTW): Ditto.
752         (IX86_BUILTIN_PCOMGEW): Ditto.
753         (IX86_BUILTIN_PCOMFALSEW): Ditto.
754         (IX86_BUILTIN_PCOMTRUEW): Ditto.
755         (IX86_BUILTIN_PCOMEQD): Ditto.
756         (IX86_BUILTIN_PCOMNED): Ditto.
757         (IX86_BUILTIN_PCOMLTD): Ditto.
758         (IX86_BUILTIN_PCOMLED): Ditto.
759         (IX86_BUILTIN_PCOMGTD): Ditto.
760         (IX86_BUILTIN_PCOMGED): Ditto.
761         (IX86_BUILTIN_PCOMFALSED): Ditto.
762         (IX86_BUILTIN_PCOMTRUED): Ditto.
763         (IX86_BUILTIN_PCOMEQQ): Ditto.
764         (IX86_BUILTIN_PCOMNEQ): Ditto.
765         (IX86_BUILTIN_PCOMLTQ): Ditto.
766         (IX86_BUILTIN_PCOMLEQ): Ditto.
767         (IX86_BUILTIN_PCOMGTQ): Ditto.
768         (IX86_BUILTIN_PCOMGEQ): Ditto.
769         (IX86_BUILTIN_PCOMFALSEQ): Ditto.
770         (IX86_BUILTIN_PCOMTRUEQ): Ditto.
771         (enum multi_arg_type): New enum for describing the various SSE5
772         intrinsic argument types.
773         (bdesc_multi_arg): New table for SSE5 intrinsics.
774         (ix86_init_mmx_sse_builtins): Add SSE5 intrinsic support.
775         (ix86_expand_multi_arg_builtin): New function for creating SSE5
776         intrinsics.
777         (ix86_expand_builtin): Add SSE5 intrinsic support.
778         (ix86_sse5_valid_op_p): New function to validate SSE5 3 and 4
779         operand instructions.
780         (ix86_expand_sse5_multiple_memory): New function to split the
781         second memory reference from SSE5 instructions.
782         (type_has_variadic_args_p): Delete in favor of stdarg_p.
783         (ix86_return_pops_args): Use stdarg_p to determine if the function
784         has variable arguments.
785         (ix86_setup_incoming_varargs): Ditto.
786         (x86_this_parameter): Ditto.
787
788         * config/i386/i386-protos.h (ix86_expand_sse5_unpack): Add
789         declaration.
790         (ix86_expand_sse5_pack): Ditto.
791         (ix86_sse5_valid_op_p): Ditto.
792         (ix86_expand_sse5_multiple_memory): Ditto.
793
794         * config/i386/i386.md (UNSPEC_SSE5_INTRINSIC): Add new UNSPEC
795         constant for SSE5 support.
796         (UNSPEC_SSE5_UNSIGNED_CMP): Ditto.
797         (UNSPEC_SSE5_TRUEFALSE): Ditto.
798         (UNSPEC_SSE5_PERMUTE): Ditto.
799         (UNSPEC_SSE5_ASHIFT): Ditto.
800         (UNSPEC_SSE5_LSHIFT): Ditto.
801         (UNSPEC_FRCZ): Ditto.
802         (UNSPEC_CVTPH2PS): Ditto.
803         (UNSPEC_CVTPS2PH): Ditto.
804         (PCOM_FALSE): Add new constant for true/false SSE5 comparisons.
805         (PCOM_TRUE): Ditto.
806         (COM_FALSE_S): Ditto.
807         (COM_FALSE_P): Ditto.
808         (COM_TRUE_S): Ditto.
809         (COM_TRUE_P): Ditto.
810         (type attribute): Add ssemuladd, sseiadd1, ssecvt1, sse4arg types.
811         (unit attribute): Add support for ssemuladd, ssecvt1, sseiadd1 sse4arg
812         types.
813         (memory attribute): Ditto.
814         (sse4_1_round<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
815         Use SSE4_1_ROUND_* constants instead of hard coded numbers.
816         (rint<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
817         (floor<mode>2): Ditto.
818         (ceil<mode>2): Ditto.
819         (btrunc<mode>2): Ditto.
820         (nearbyintdf2): Ditto.
821         (nearbyintsf2): Ditto.
822         (sse_setccsf): Disable if SSE5.
823         (sse_setccdf): Ditto.
824         (sse5_setcc<mode>): New support for SSE5 conditional move.
825         (sse5_pcmov_<mode>): Ditto.
826
827         * config/i386/sse.md (SSEMODE1248): New mode iterator for SSE5.
828         (SSEMODEF4): Ditto.
829         (SSEMODEF2P): Ditto.
830         (ssemodesuffixf4): New mode attribute for SSE5.
831         (ssemodesuffixf2s): Ditto.
832         (ssemodesuffixf2c): Ditto.
833         (sserotatemax): Ditto.
834         (ssescalarmode): Ditto.
835         (sse_maskcmpv4sf3): Disable if SSE5.
836         (sse_maskcmpv2df3): Ditto.
837         (sse_vmmaskcmpv4sf3): Ditto.
838         (sse5_fmadd<mode>4): Add SSE5 floating point multiply/add instructions.
839         (sse5_vmfmadd<mode>4): Ditto.
840         (sse5_fmsub<mode>4): Ditto.
841         (sse5_vmfmsub<mode>4): Ditto.
842         (sse5_fnmadd<mode>4): Ditto.
843         (sse5_vmfnmadd<mode>4): Ditto.
844         (sse5_fnmsub<mode>4): Ditto.
845         (sse5_vmfnmsub<mode>4): Ditto.
846         (sse5i_fmadd<mode>4): Ditto.
847         (sse5i_fmsub<mode>4): Ditto.
848         (sse5i_fnmadd<mode>4): Ditto.
849         (sse5i_fnmsub<mode>4): Ditto.
850         (sse5i_vmfmadd<mode>4): Ditto.
851         (sse5i_vmfmsub<mode>4): Ditto.
852         (sse5i_vmfnmadd<mode>4): Ditto.
853         (sse5i_vmfnmsub<mode>4): Ditto.
854         (mulv16qi3): Add SSE5 support.
855         (mulv4si3): Ditto.
856         (sse5_mulv4si3): New insn for 32-bit multiply support on SSE5.
857         (sse2_mulv4si3): Disable if SSE5.
858         (sse4_1_roundpd): Use TARGET_ROUND instead of TARGET_SSE4_1.
859         (sse4_1_roundps): Ditto.
860         (sse4_1_roundsd): Ditto.
861         (sse4_1_roundss): Ditto.
862         (sse_maskcmpv4sf3): Disable if SSE5 so the SSE5 instruction will
863         be generated.
864         (sse_maskcmpsf3): Ditto.
865         (sse_vmmaskcmpv4sf3): Ditto.
866         (sse2_maskcmpv2df3): Ditto.
867         (sse2_maskcmpdf3): Ditto.
868         (sse2_vmmaskcmpv2df3): Ditto.
869         (sse2_eq<mode>3): Ditto.
870         (sse2_gt<mode>3): Ditto.
871         (sse5_pcmov_<mode>): Add SSE5 support.
872         (vec_unpacku_hi_v16qi): Ditto.
873         (vec_unpacks_hi_v16qi): Ditto.
874         (vec_unpacku_lo_v16qi): Ditto.
875         (vec_unpacks_lo_v16qi): Ditto.
876         (vec_unpacku_hi_v8hi): Ditto.
877         (vec_unpacks_hi_v8hi): Ditto.
878         (vec_unpacku_lo_v8hi): Ditto.
879         (vec_unpacks_lo_v8hi): Ditto.
880         (vec_unpacku_hi_v4si): Ditto.
881         (vec_unpacks_hi_v4si): Ditto.
882         (vec_unpacku_lo_v4si): Ditto.
883         (vec_unpacks_lo_v4si): Ditto.
884         (sse5_pmacsww): New SSE5 intrinsic insn.
885         (sse5_pmacssww): Ditto.
886         (sse5_pmacsdd): Ditto.
887         (sse5_pmacssdd): Ditto.
888         (sse5_pmacssdql): Ditto.
889         (sse5_pmacssdqh): Ditto.
890         (sse5_pmacsdqh): Ditto.
891         (sse5_pmacsswd): Ditto.
892         (sse5_pmacswd): Ditto.
893         (sse5_pmadcsswd): Ditto.
894         (sse5_pmadcswd): Ditto.
895         (sse5_pcmov_<move>): Conditional move support on SSE5.
896         (sse5_phaddbw): New SSE5 intrinsic insn.
897         (sse5_phaddbd): Ditto.
898         (sse5_phaddbq): Ditto.
899         (sse5_phaddwd): Ditto.
900         (sse5_phaddwq): Ditto.
901         (sse5_phadddq): Ditto.
902         (sse5_phaddubw): Ditto.
903         (sse5_phaddubd): Ditto.
904         (sse5_phaddubq): Ditto.
905         (sse5_phadduwd): Ditto.
906         (sse5_phadduwq): Ditto.
907         (sse5_phaddudq): Ditto.
908         (sse5_phsubbw): Ditto.
909         (sse5_phsubwd): Ditto.
910         (sse5_phsubdq): Ditto.
911         (sse5_pperm): Ditto.
912         (sse5_pperm_sign_v16qi_v8hi): New insns for pack/unpack with SSE5.
913         (sse5_pperm_zero_v16qi_v8hi): Ditto.
914         (sse5_pperm_sign_v8hi_v4si): Ditto.
915         (sse5_pperm_zero_v8hi_v4si): Ditto.
916         (sse5_pperm_sign_v4si_v2di): Ditto.
917         (sse5_pperm_sign_v4si_v2di): Ditto.
918         (sse5_pperm_pack_v2di_v4si): Ditto.
919         (sse5_pperm_pack_v4si_v8hi): Ditto.
920         (sse5_pperm_pack_v8hi_v16qi): Ditto.
921         (sse5_perm<mode>): New SSE5 intrinsic insn.
922         (rotl<mode>3): Ditto.
923         (sse5_rotl<mode>3): Ditto.
924         (sse5_ashl<mode>3): Ditto.
925         (sse5_lshl<mode>3): Ditto.
926         (sse5_frcz<mode>2): Ditto.
927         (sse5s_frcz<mode>2): Ditto.
928         (sse5_cvtph2ps): Ditto.
929         (sse5_cvtps2ph): Ditto.
930         (sse5_vmmaskcmp<mode>3): Ditto.
931         (sse5_com_tf<mode>3): Ditto.
932         (sse5_maskcmp<mode>3): Ditto.
933         (sse5_maskcmp_uns<mode>3): Ditto.
934         (sse5_maskcmp_uns2<mode>3): Ditto.
935         (sse5_pcom_tf<mode>3): Ditto.
936
937         * config/i386/predicates.md (sse5_comparison_float_operator):
938         New predicate to match the comparison operators supported by
939         the SSE5 com instruction.
940         (ix86_comparison_int_operator): New predicate to match just the
941         signed int comparisons.
942         (ix86_comparison_uns_operator): New predicate to match just the
943         unsigned int comparisons.
944
945         * doc/invoke.texi (-msse5): Add documentation.
946         (-mfused-madd): Ditto.
947
948         * doc/extend.texi (x86 intrinsics): Document new SSE5 intrinsics.
949
950         * config.gcc (i[34567]86-*-*): Include bmmintrin.h and
951         mmintrin-common.h.
952         (x86_64-*-*): Ditto.
953
954         * config/i386/cpuid.h (bit_SSE5): Define SSE5 bit.
955
956         * config/i386/bmmintrin.h: New file, provide common x86 compiler
957         intrinisics for SSE5.
958
959         * config/i386/smmintrin.h: Move instructions shared with SSE5 to
960         mmintrin-common.h.
961
962         * config/i386/mmintrin-common.h: New file, to contain common
963         instructions between SSE4.1 and SSE5.
964
965         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration): Use
966         FOREACH_FUNCTION_ARGS to iterate over the argument list.
967         (gen_regparm_prefix): Ditto.
968
969         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix): Use
970         FOREACH_FUNCTION_ARGS to iterate over the argument list.  Use
971         prototype_p to determine if a function is prototyped.
972
973 2009-08-25 Ville Voutilainen <ville.voutilainen@gmail.com>
974
975         * c-common.c (c_common_reswords) add the alignof keyword,
976         with same RID as __alignof and __alignof__
977
978 2009-08-25  Anatoly Sokolov  <aesok@post.ru>
979
980         * hooks.h (hook_bool_const_int_const_int_true): Declare.
981         * hooks.c (hook_bool_const_int_const_int_true): New function.
982         * target.h (struct gcc_target): Add can_eliminate field.
983         * target-def.h (TARGET_CAN_ELIMINATE): Define.
984         (TARGET_INITIALIZER): Use TARGET_CAN_ELIMINATE.
985         * ira.c (setup_eliminable_regset): Use can_eliminate target hook.
986         * reload1.c (update_eliminables, init_elim_table): (Ditto.).
987         (elim_table): Revise comment.
988         * system.h (CAN_ELIMINATE): Poison.
989         * defaults.h (CAN_ELIMINATE): Remove.
990         * doc/tm.texi (CAN_ELIMINATE): Revise documentation.
991
992         * config/alpha/vms.h (CAN_ELIMINATE): Remove macro.
993         * config/alpha/alpha.c (TARGET_CAN_ELIMINATE) [TARGET_ABI_OPEN_VMS]:
994         Define macro.
995         (alpha_vms_can_eliminate): Declare as static, change return type to
996         bool.
997         * config/alpha/alpha-protos.h (alpha_vms_can_eliminate): Remove.
998
999         * config/arm/arm.h (CAN_ELIMINATE): Remove macro.
1000         * config/arm/arm.c (TARGET_CAN_ELIMINATE): Define macro.
1001         (arm_can_eliminate): New function.
1002
1003         * config/avr/avr.h (CAN_ELIMINATE): Remove macro.
1004         * config/avr/avr.c (TARGET_CAN_ELIMINATE): Define macro.
1005         (avr_can_eliminate): Declare as static.
1006         * config/avr/avr-protos.h (avr_can_eliminate): Remove.
1007
1008         * config/bfin/bfin.h (CAN_ELIMINATE): Remove macro.
1009         * config/bfin/bfin.c (TARGET_CAN_ELIMINATE): Define macro.
1010         (bfin_can_eliminate): New function.
1011
1012         * config/crx/crx.h (CAN_ELIMINATE): Remove macro.
1013         * config/crx/crx.c (TARGET_CAN_ELIMINATE): Define macro.
1014         (crx_can_eliminate): New function.
1015
1016         * config/fr30/fr30.h (CAN_ELIMINATE): Remove macro.
1017         * config/fr30/fr30.c (TARGET_CAN_ELIMINATE): Define macro.
1018         (fr30_can_eliminate): New function.
1019
1020         * config/frv/frv.h (CAN_ELIMINATE): Remove macro.
1021         * config/frv/frv.c (TARGET_CAN_ELIMINATE): Define macro.
1022         (frv_can_eliminate): New function.
1023
1024         * config/h8300/h8300.h (CAN_ELIMINATE): Remove macro.
1025         * config/h8300/h8300.c (TARGET_CAN_ELIMINATE): Define macro.
1026         (h8300_can_eliminate): New function.
1027
1028         * config/i386/i386.h (CAN_ELIMINATE): Remove macro.
1029         * config/i386/i386.c (TARGET_CAN_ELIMINATE): Define macro.
1030         (i386_can_eliminate): Declare as static, change return type to bool.
1031         * config/i386/i386-protos.h (i386_can_eliminate): Remove.
1032
1033         * config/ia64/ia64.h (CAN_ELIMINATE): Remove macro.
1034         * config/ia64/ia64.c (TARGET_CAN_ELIMINATE): Define macro.
1035         (ia64_can_eliminate): New function.
1036
1037         * config/iq2000/iq2000.h (CAN_ELIMINATE): Remove macro.
1038         * config/iq2000/iq2000.c (TARGET_CAN_ELIMINATE): Define macro.
1039         (iq2000_can_eliminate): New function.
1040
1041         * config/m32r/m32r.h (CAN_ELIMINATE): Remove macro.
1042         * config/m32r/m32r.c (TARGET_CAN_ELIMINATE): Define macro.
1043         (m32r_can_eliminate): New function.
1044
1045         * config/m68hc11/m68hc11.h (CAN_ELIMINATE): Remove macro.
1046         * config/m68hc11/m68hc11.c (TARGET_CAN_ELIMINATE): Define macro.
1047         (m68hc11_can_eliminate): New function.
1048
1049         * config/m68k/m68k.h (CAN_ELIMINATE): Remove macro.
1050         * config/m68k/m68k.c (TARGET_CAN_ELIMINATE): Define macro.
1051         (m68k_can_eliminate): New function.
1052
1053         * config/mep/mep.h (CAN_ELIMINATE): Remove macro.
1054         * config/mep/mep.c (TARGET_CAN_ELIMINATE): Define macro.
1055         (mep_can_eliminate): New function.
1056
1057         * config/mips/mips.h (CAN_ELIMINATE): Remove macro.
1058         * config/mips/mips.c (TARGET_CAN_ELIMINATE): Define macro.
1059         (mips_can_eliminate): New function.
1060
1061         * config/rs6000/rs6000.h (CAN_ELIMINATE): Remove macro.
1062         * config/rs6000/rs6000.c (TARGET_CAN_ELIMINATE): Define macro.
1063         (rs6000_can_eliminate): New function.
1064
1065         * config/s390/s390.h (CAN_ELIMINATE): Remove macro.
1066         * config/s390/s390.c (TARGET_CAN_ELIMINATE): Define macro.
1067         (s390_can_eliminate): Declare as static.
1068         * config/s390/s390-protos.h (sparc_can_eliminate): Remove.
1069
1070         * config/score/score.h (CAN_ELIMINATE): Remove macro.
1071         * config/score/score.c (TARGET_CAN_ELIMINATE): Define macro.
1072         (score_can_eliminate): New function.
1073
1074         * config/sparc/sparc.h (CAN_ELIMINATE): Remove macro.
1075         * config/sparc/sparc.c (TARGET_CAN_ELIMINATE): Define macro.
1076         (sparc_can_eliminate): Declare as static.
1077         * config/sparc/sparc-protos.h (sparc_can_eliminate): Remove.
1078
1079         * config/stormy16/stormy16.h (CAN_ELIMINATE): Remove macro.
1080         * config/stormy16/stormy16.c (TARGET_CAN_ELIMINATE): Define macro.
1081         (xstormy16_can_eliminate): New function.
1082
1083         * config/v850/v850.h (CAN_ELIMINATE): Remove macro.
1084         * config/v850/v850.c (TARGET_CAN_ELIMINATE): Define macro.
1085         (v850_can_eliminate): New function.
1086
1087 2009-08-25  Uros Bizjak  <ubizjak@gmail.com>
1088
1089         * config/alpha/alpha.md (*cmpdf_ieee_ext[123]): Remove.
1090         (*cmpdf_internal): Enable for all ALPHA_FPTM levels.
1091         (*movdfcc_ext[1234]): Disable for IEEE mode.
1092
1093 2009-08-25  Eric Botcazou  <ebotcazou@adacore.com>
1094
1095         * gimplify.c (prepare_gimple_addressable): New static function.
1096         (gimplify_modify_expr_to_memcpy): Invoke it on the RHS before marking
1097         it addressable.
1098         (gimplify_addr_expr): Invoke it similarly on the operand instead of
1099         manually fiddling with it.
1100
1101 2009-08-25  Michael Matz  <matz@suse.de>
1102
1103         * expr.h (jumpifnot_1, jumpif_1, do_jump_1): Declare.
1104         * dojump.c (do_jump_by_parts_greater): Take two operands instead of
1105         full expression.
1106         (do_jump_by_parts_equality, do_compare_and_jump): Ditto.
1107         (jumpifnot_1, jumpif_1): New wrappers for do_jump_1.
1108         (do_jump): Split out code for simple binary comparisons into ...
1109         (do_jump_1): ... this, taking the individual operands and code.
1110         Change callers to helper function above accordingly.
1111         * expr.c (expand_expr_real_1): Use jumpifnot_1 for simple binary
1112         comparisons.
1113
1114 2009-08-25  Michael Matz  <matz@suse.de>
1115
1116         * expr.h (struct separate_ops, sepops): New type for passing
1117         around an exploded simple expression.
1118         * optabs.c (expand_widen_pattern_expr, expand_vec_shift_expr):
1119         Use this structure instead of expression tree.
1120         (get_vcond_icode, expand_vec_cond_expr_p): Don't take whole
1121         expression, only its type.
1122         (expand_vec_cond_expr): Take type and individual operands instead
1123         of full expression.
1124         * optabs.h (expand_widen_pattern_expr, expand_vec_cond_expr,
1125         expand_vec_shift_expr): Change prototype accordingly.
1126         * tree-vect-stmts.c (vectorizable_condition): Change call of
1127         expand_vec_cond_expr_p to pass only type.
1128         * expr.c (do_store_flags): Change prototype and implementation
1129         to take an exploded expression.
1130         (expand_expr_real_1): New local ops initialized with details
1131         of the full expression.  Use it instead of full
1132         expression in calls to do_store_flags, expand_vec_cond_expr,
1133         expand_widen_pattern_expr and expand_vec_shift_expr.
1134
1135 2009-08-25  Michael Matz  <matz@suse.de>
1136
1137         * expr.c (expand_expr_real_1): New local treeop0, treeop1,
1138         treeop2 initialized with first three operands of the full expression.
1139         Substitute all TREE_OPERAND (exp, [012]) calls with them.
1140
1141 2009-08-25  Kai Tietz  <kai.tietz@onevision.com>
1142
1143         * gcc/gthr-win32.h (__UNUSED_PARAM): Define, if not already present.
1144         (__gthread_objc_condition_allocate): Mark arguments as unused.
1145         (__gthread_objc_condition_deallocate): Likewise.
1146         (__gthread_objc_condition_wait): Likewise.
1147         (__gthread_objc_condition_broadcast): Likewise.
1148         (__gthread_objc_condition_signal): Likewise.
1149         (__gthread_objc_thread_detach): Cast via INT_PTR to pointer.
1150         (__gthread_objc_thread_id): Likewise.
1151
1152 2009-08-25  Janus Weil  <janus@gcc.gnu.org>
1153
1154         PR middle-end/41149
1155         * tree-pretty-print.c (print_call_name): Print the correct call name
1156         for procedure pointer components.
1157
1158 2009-08-24  Steve Ellcey  <sje@cup.hp.com>
1159
1160         * config/ia64/ia64.c (ia64_promote_function_mode): Call
1161         default_promote_function_mode when not VMS.
1162
1163 2009-08-24  Olivier Hainque  <hainque@adacore.com>
1164
1165         * convert.c (convert_to_integer): Don't assume an input pointer is
1166         POINTER_SIZE wide.  Fetch from the type instead.
1167
1168 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1169
1170         * configure.ac (AC_PREREQ): Bump to 2.64.
1171
1172 2009-08-24  Rafael Avila de Espindola  <espindola@google.com>
1173
1174         * gcc.c (standard_exec_prefix_1,standard_exec_prefix_2): Remove.
1175         (process_command): Don't search standard_exec_prefix_1 and
1176         standard_exec_prefix_2.
1177
1178 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1179
1180         * config/arm/arm.c (output_return_instruction): Handle for
1181         unified syntax.
1182
1183 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1184
1185         * config/arm/arm.c (arm_select_cc_mode): Handle subreg.
1186
1187 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1188
1189         * config/arm/vfp.md (*arm_movdi_vfp): Mark as predicable.
1190         (*arm_movdf_vfp): Likewise.
1191
1192 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1193
1194         * config/arm/neon.md (vashl<mode>3): Rename from ashl<mode>3.
1195         (vashr<mode>3): Rename from ashr<mode>3.
1196         (vlshr<mode>3): Rename from lshr<mode>3.
1197
1198 2009-08-24  Kai Tietz  <kai.tietz@onevision.com>
1199
1200         PR/40786
1201         * c-format.c (format_wanted_type): Add new member scalar_identity_flag.
1202         (check_format_info_main): Use scalar_identify_flag.
1203         (check_format_types): Check for scalar size identity if
1204         scalar_identify_flag is set.
1205         (printf_length_specs): Extend by new field.
1206         (asm_fprintf_length_specs): Likewise.
1207         (gcc_diag_length_specs): Likewise.
1208         (scanf_length_specs): Likewise.
1209         (strfmon_length_specs): Likewise.
1210         (gcc_gfc_length_specs): Likewise.
1211         * config/i386/msformat-c.c (ms_printf_length_specs): Likewise.
1212         (ms_printf_flag_specs): Likewise.
1213         * c-format.h (format_length_info): Add new member scalar_identity_flag.
1214
1215 2009-08-23  Uros Bizjak  <ubizjak@gmail.com>
1216
1217         PR target/40718
1218         * config/i386/i386.c (*call_pop_1): Disable for sibling calls.
1219         (*call_value_pop_1): Ditto.
1220         (*sibcall_pop_1): New insn pattern.
1221         (*sibcall_value_pop_1): Ditto.
1222
1223 2009-08-23  Alan Modra  <amodra@bigpond.net.au>
1224
1225         PR target/41081
1226         * config/rs6000/rs6000.md (rotlsi3_64, ashlsi3_64, lshrsi3_64,
1227         ashrsi3_64): New.
1228
1229 2009-08-23  Alan Modra  <amodra@bigpond.net.au>
1230
1231         PR target/41081
1232         * fwprop.c (try_fwprop_subst): Allow multiple sets.
1233         (get_reg_use_in): New function.
1234         (forward_propagate_subreg): Propagate through subreg of zero_extend
1235         or sign_extend.
1236
1237 2009-08-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1238
1239         * config/sh/t-sh (TARGET_LIBGCC2_CFLAGS): Define.
1240         * config/sh/t-netbsd (TARGET_LIBGCC2_CFLAGS): Add -mieee.
1241
1242 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1243
1244         * configure.ac: Remove --with-datarootdir, --with-docdir,
1245         --with-htmldir switches.  No need to call AC_SUBST for
1246         datarootdir, docdir, htmldir any more.
1247         * configure: Regenerate.
1248         * doc/install.texi (Configuration): Document --datarootdir,
1249         --docdir, --htmldir, --pdfdir; update documentation for
1250         --infodir, --mandir.
1251         (Prerequisites): Bump Autoconf version to 2.64, Automake to 1.11,
1252         M4 to 1.4.6.
1253
1254         * aclocal.m4: Regenerate.
1255         * config.in: Regenerate.
1256         * configure: Regenerate.
1257
1258 2009-08-21  Douglas B Rupp  <rupp@gnat.com>
1259             Olivier Hainque  <hainque@adacore.com>
1260
1261         * config/ia64/ia64.c: Include libfuncs.h.
1262         (TARGET_PROMOTE_FUNCITON_MODE): Define target macro.
1263         (ia64_expand_call): Use reg 25 on VMS.
1264         (ia64_initialize_trampoline): Fix for VMS ABI.
1265         (ia64_function_arg_offset): Always returns 0 when TARGET_ABI_OPEN_VMS.
1266         (ia64_function_arg): Initialize reg 25 on VMS.
1267         Fix OpenVMS ABI issues for varargs.
1268         For OpenVMS, emit the Argument Information register set in the
1269         incoming/sibcall case as well.
1270         (ia64_arg_type): New function.
1271         (ia64_function_arg_advance): Keep track of cum->words.
1272         Fix OpenVMS ABI issues for varargs.
1273         (ia64_function_value): On VMS, promote mode of non-aggregate types.
1274         (ia64_override_options): Set flag_no_common on VMS.
1275         (ia64_init_builtins): Disable FWRITE builtin.
1276         (ia64_asm_output_external): Call DO_CRTL_NAMES.
1277         (ia64_vms_init_libfuncs): Add decc$ routines.
1278         (ia64_vms_valid_pointer_mode): New function.
1279         (ia64_struct_value_rtx): Allways NULL_RTX on VMS.
1280         (ia64_promote_function_mode): New function
1281         * config/ia64/ia64.h (TARGET_ABI_OPEN_VMS): Define as 0 for default.
1282         (LONG_DOUBLE_TYPE_SIZE): Force to 64 on VMS.
1283         (LIBCGC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
1284         (INIT_CUMULATIVE_ARGS): Add atypes for VMS.
1285         (INIT_CUMULATIVE_INCOMING_ARGS): Likewise.
1286         (ASM_OUTPUT_DEF): Use ISDIGIT instead of isdigit.
1287         Suppress trailing '#' if VALUE is numeric.
1288         * config/ia64/vms.h (PROMOTE_FUNCTION_MODE): Remove, code moved to
1289         ia64_promote_function_mode.
1290         (TARGET_VALID_POINTER_MODE): Define.
1291
1292 2009-08-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
1293
1294         PR target/40671
1295         * config/rs6000/rs6000.c (rs6000_override_options): Use
1296         TARGET_64BIT instead of TARGET_POWERPC64 to set the size of pointers.
1297
1298         PR target/41145
1299         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Fix
1300         reporting of vector + decimal/boolean/complex error.
1301
1302 2009-08-21  Jakub Jelinek  <jakub@redhat.com>
1303
1304         * config/rs6000/rs6000.c (rs6000_init_builtins): Fix type of
1305         __vector double TYPE_DECL.
1306
1307 2009-08-21  Richard Earnshaw  <rearnsha@arm.com>
1308
1309         * arm.h (MACHMODE): New define.  Include insn-modes.h if available.
1310         (CUMULATIVE_ARGS): Use MACHMODE for declaration of aapcs_vfp_mode.
1311         * arm.c (aapcs_vfp_is_call_or_return_candidate): Change base_mode
1312         to pointer to enum machine_mode.  Update all callers as needed.
1313
1314 2009-08-21 Uros Bizjak <ubizjak@gmail.com>
1315
1316         * config/alpha/alpha.md (exception_receiver): Emit alternative
1317         GP load sequence if flag_reorder_blocks_and_partition is set.
1318         (*exception_receiver_2): Also enable when
1319         flag_reorder_blocks_and_partition is set.
1320
1321 2009-08-20  Matt Rice  <ratmice@gmail.com>
1322             Diego Novillo  <dnovillo@google.com>
1323
1324         * Makefile.in (PLUGIN_HEADERS): Include incpath.h and
1325         tree-ssa-sccvn.h.
1326
1327 2009-08-20  Richard Guenther  <rguenther@suse.de>
1328
1329         * c-objc-common.h (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Do not define.
1330         * c-tree.h (c_dup_lang_specific_decl): Remove.
1331         (struct lang_decl, struct lang_type): Move definitions ...
1332         * c-lang.h: ... here.  New file.
1333         * c-decl.c: Include c-lang.h.
1334         (c_dup_lang_specific_decl): Remove.
1335         * c-typeck.c: Include c-lang.h.
1336         * Makefile.in (c-decl.o): Add c-lang.h dependency.
1337         (c-typeck.o): Likewise.
1338         * c-config-lang.in (gtfiles): Add c-lang.h.
1339         * gengtype.c (get_output_file_with_visibility): Handle c-lang.h
1340         like c-tree.h.
1341
1342 2009-08-20  Uros Bizjak  <ubizjak@gmail.com>
1343
1344         * config/alpha/alpha.c (alpha_end_function): Do not clear
1345         crtl->emit structure and free insn locators if cfun->is_thunk is true,
1346         this is now handled in generic code.
1347
1348 2009-08-20  Andreas Krebbel  <krebbel1@de.ibm.com>
1349
1350         * config/s390/s390.c (Z10_PREDICT_DISTANCE): New macro.
1351         (s390_z10_fix_long_loop_prediction): New function.
1352         (s390_z10_optimize_cmp): INSN walk moved to callee - s390_reorg.
1353         (s390_reorg): Walk over the INSNs and invoke
1354         s390_z10_fix_long_loop_prediction and s390_z10_optimize_cmp.
1355
1356 2009-08-20  Andreas Krebbel  <krebbel1@de.ibm.com>
1357
1358         * config/s390/s390.md ("*brx_stage1_<GPR:mode>", "*brxg_64bit",
1359         "*brx_64bit", "*brx_31bit"): New patterns.
1360         * config/s390/s390.c ('E'): New output modifier.
1361
1362 2009-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1363             Richard Earnshaw  <richard.earnshaw@arm.com>
1364
1365         * config/arm/arm.c (arm_emit_movpair): Handle CONST_INT.
1366         * config/arm/arm.md (*arm_movtas_ze): New pattern for movt.
1367
1368 2009-08-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1369
1370         * pa.md (reload_inhi, reload_outhi, reload_inqi, reload_outqi): New
1371         patterns.
1372         * pa.c (emit_move_sequence): Check if address of operand1 is valid
1373         for mode mode of operand0 when doing secondary reload for SAR.
1374
1375 2009-08-19  Jakub Jelinek  <jakub@redhat.com>
1376
1377         PR middle-end/41123
1378         * expr.c (expand_expr_real_1) <normal_inner_ref>: Handle all kinds
1379         of CONCAT, not just bitpos 0 bitsize size of the whole CONCAT.
1380
1381 2009-08-19  Jason Merrill  <jason@redhat.com>
1382
1383         * doc/invoke.texi (C++ Dialect Options): Note change of minimum
1384         supported template depth in C++0x.
1385
1386 2009-08-19  Jakub Jelinek  <jakub@redhat.com>
1387
1388         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Don't call
1389         free_after_compilation.
1390         * config/score/score7.c (score7_output_mi_thunk): Likewise.
1391         * config/score/score3.c (score3_output_mi_thunk): Likewise.
1392         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1393         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
1394         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1395         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
1396         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1397
1398 2009-08-19  Ian Lance Taylor  <iant@google.com>
1399
1400         * doc/md.texi (Insn Canonicalizations): Correct canonicalization
1401         of (plus (mult (neg B) C) A).
1402
1403 2009-08-18  Michael Matz  <matz@suse.de>
1404
1405         * omp-low.c (optimize_omp_library_calls): Use types_compatible_p
1406         instead of comparing TYPE_MAIN_VARIANT for equality.
1407         * tree-vect-patterns.c (vect_recog_dot_prod_pattern,
1408         vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern): Ditto.
1409         * tree-vect-loop.c (vect_is_simple_reduction): Ditto.
1410         * gimplify.c (goa_lhs_expr_p): Ditto and use
1411         STRIP_USELESS_TYPE_CONVERSION.
1412
1413 2009-08-18  Michael Matz  <matz@suse.de>
1414
1415         * tree-ssa-structalias.c (create_variable_info_for): Also mark
1416         first field in a struct.
1417         (intra_create_variable_infos): Don't deal with flag_argument_noalias.
1418
1419 2009-08-18  Uros Bizjak  <ubizjak@gmail.com>
1420
1421         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Allocate insn
1422         locators before emit_insn is called.  Remove assert that
1423         cfun->is_thunk.
1424         (alpha_end_function): Clear crtl->emit structure and free insn
1425         locators if cfun->is_thunk is true.
1426
1427 2009-08-18  Jason Merrill  <jason@redhat.com>
1428
1429         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1430         type if available.
1431         * configure.ac: Test for it.
1432         * configure, config.in: Regenerate.
1433         * doc/install.texi: Document --enable-gnu-unique-object.
1434
1435 2009-08-18  Richard Guenther  <rguenther@suse.de>
1436
1437         PR middle-end/41094
1438         * builtins.c (fold_builtin_pow): Fold pow(pow(x,y),z) to
1439         pow(x,y*z) only if x is nonnegative.
1440
1441 2009-08-18  Jakub Jelinek  <jakub@redhat.com>
1442
1443         * bb-reorder.c (fix_up_fall_thru_edges): Only call invert_jump
1444         on jumps.
1445
1446         PR target/40971
1447         * config/rs6000/rs6000.c (rs6000_legitimize_address): For
1448         [DT][FDI]mode ensure the offset isn't 4/8/12 bytes below 0x8000.
1449
1450 2009-08-17  DJ Delorie  <dj@redhat.com>
1451
1452         * config/m32c/m32c.md (UNS_FSETB, UNS_FREIT): New.
1453         * config/m32c/prologue.md (epilogue_freit): New.
1454         (fset_b): New.
1455         * config/m32c/m32c.c (m32c_function_needs_enter): Add prototype.
1456         (bank_switch_p): Likewise.
1457         (fast_interrupt_p): Likewise.
1458         (interrupt_p): Likewise.
1459         (m32c_conditional_register_usage): Round memregs size up.
1460         (need_to_save): We only need to save $a0 when we use ENTER.
1461         (interrupt_p): Check for fast_interrupt too.
1462         (bank_switch_p): New.
1463         (fast_interrupt_p): New.
1464         (m32c_attribute_table): Add bank_switch and fast_interrupt.
1465         (m32c_emit_prolog): Support bank switching and fast interrupts.
1466         * doc/extend.texi (Function Attributes): Add bank_switch and
1467         fast_interrupt.
1468
1469 2009-08-17  Douglas B Rupp  <rupp@gnat.com>
1470
1471         * config/alpha/alpha.c (vms_valid_pointer_mode): New function.
1472         * config/alpha/vms.h (TARGET_VALID_POINTER_MODE): Define.
1473
1474 2009-08-16  Douglas B Rupp  <rupp@gnat.com>
1475
1476         * doc/invoke.texi (Target options): Add new option list for IA-64/VMS.
1477         (menu): Add IA-64/VMS Options.
1478         (IA-64/VMS Options): Likewise.
1479
1480 2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>
1481
1482         PR target/38599
1483         * config/mips/mips.md (*lwxs): Use :P for pointer values.
1484
1485 2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>
1486
1487         * config/mips/mips-protos.h (mips_push_asm_switch): New function.
1488         (mips_pop_asm_switch): Likewise.
1489         * config/mips/mips.c (set_noreorder, set_nomacro, set_noat): Replace
1490         with...
1491         (mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
1492         (mips_push_asm_switch_1, mips_pop_asm_switch_1): New functions.
1493         (mips_push_asm_switch, mips_pop_asm_switch): Likewise.
1494         (mips_print_operand_punctuation): Use them.  Check mips_noreorder
1495         instead of set_noreorder.
1496         (mips_output_function_prologue): Use the new functions.
1497         (mips_output_function_epilogue): Likewise.
1498         (mips_need_noat_wrapper_p): New function, split out from...
1499         (mips_final_prescan_insn, mips_final_postscan_insn): ...here.
1500         Use mips_push_asm_switch and mips_pop_asm_switch.
1501         * config/mips/mips.h (FUNCTION_PROFILER): Use mips_push_asm_switch
1502         and mips_pop_asm_switch.
1503         (ASM_OUTPUT_REG_POP): Likewise.
1504         (DBR_OUTPUT_SEQEND): Remove boilerplate comment.
1505         Use mips_pop_asm_switch.
1506         (mips_asm_switch): New structure.
1507         (set_noreorder, set_nomacro): Replace with...
1508         (mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
1509         * config/mips/mips.md (fix_truncdfsi2_macro): Use mips_nomacro
1510         instead of set_nomacro.
1511         (fix_truncsfsi2_macro): Likewise.
1512         (cprestore): Likewise.
1513         (hazard): Use mips_noreorder instead of set_noreorder.
1514         * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.
1515
1516 2009-08-16  Uros Bizjak  <ubizjak@gmail.com>
1517
1518         * config/alpha/alpha.c (alpha_end_function): Handle NULL_RTX returned
1519         from prev_active_insn.
1520
1521 2009-08-16  Anatoly Sokolov  <aesok@post.ru>
1522
1523         * config/avr/avr.h (AVR_HAVE_8BIT_SP): New macros.
1524         * config/avr/avr.c (avr_override_options): Initialize
1525         avr_current_arch variable.
1526         (avr_cpu_cpp_builtins): Define __AVR_HAVE_8BIT_SP__ or
1527         __AVR_HAVE_16BIT_SP__ according to the device type.
1528         (expand_prologue, output_movhi): Use AVR_HAVE_8BIT_SP instead of
1529         TARGET_TINY_STACK.
1530         (expand_epilogue): Use correct QI mode frame pointer for tiny stack.
1531         Use AVR_HAVE_8BIT_SP instead of TARGET_TINY_STACK.
1532
1533 2009-08-16  Dodji Seketeli  <dodji@redhat.com>
1534
1535         PR debug/37801
1536         * gcc/dwarf2out.c (gen_inlined_subroutine_die): Concentrate on
1537         generating inlined subroutine die only. We shouldn't be
1538         called for anything else.
1539         (gen_block_die): Don't generate inline subroutine debug info for
1540         abstract blocks.
1541
1542 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1543
1544         * graphite-poly.c (print_pbb): Print PBB index.
1545
1546 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1547
1548         PR middle-end/40981
1549         * graphite-interchange.c (ppl_max_for_le): Moved...
1550         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1551         * graphite-ppl.c (ppl_max_for_le): ... here.  Correct the use of
1552         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1553         * graphite-ppl.h (ppl_max_for_le): Declared.
1554
1555 2009-08-14  Olatunji Ruwase <tjruwase@google.com>
1556
1557         * doc/extend.texi (Symbol-Renaming Pragmas): redefine_extname is
1558         supported on all platforms.
1559         * target.h (struct gcc_target): Remove handle_pragma_redefine_extname.
1560         * c-cppbuiltin.c: Remove use of targetm.handle_pragma_redefine_extname.
1561         * c-pragma.c: Likewise.
1562         * target-def.h (TARGET_INITIALIZER): Remove
1563         TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.
1564         * config/sol2.h: Remove use of TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.
1565
1566 2009-08-14  Douglas B Rupp  <rupp@gnat.com>
1567
1568         * config/ia64/fde-vms.c: New file.
1569         * config/ia64/fde-glibc.c (_Unwind_FindTableEntry): Add dummy arg.
1570         * config/ia64/unwind-ia64.c (UNW_ accessors): Move to unwind-ia64.h
1571         (MD_UNW_COMPATIBLE_PERSONALITY_P): Provide default.
1572         (uw_frame_state_for): Only register a personality routine if it is
1573         known to be compatible with our expectations.
1574         (_Unwind_FindEnclosingFunction, uw_frame_state_for):
1575         Declare unw_table_entry stack variable and
1576         mod all calls to _Unwind_FindTableEntry to add arg.
1577         * config/ia64/unwind-ia64.h (UNW_ accessors): Move here.
1578         (_Unwind_FindTableEntry): Add arg to prototype.
1579
1580 2009-08-14  Eric Botcazou  <ebotcazou@adacore.com>
1581
1582         * config/ia64/unwind-ia64.c (struct _Unwind_Context): Add new
1583         field 'signal_pfs_loc'.
1584         (uw_frame_state_for): Remove duplicate code dealing with leaf
1585         procedures without unwind info.
1586         If in the frame after unwinding through a signal handler, restore
1587         the AR.PFS register instead of the CFM if AR.PFS has not been saved.
1588         * config/ia64/linux-unwind.h (ia64_fallback_frame_state): Do not set
1589         'pfs_loc' to the AR.PFS location in the signal context; instead
1590         set 'signal_pfs_loc'.
1591         Manually generate the unwind info for the AR.PFS register.
1592         (ABI_MARKER_OLD_LINUX_SIGTRAMP, ABI_MARKER_OLD_LINUX_INTERRUPT,
1593         ABI_MARKER_LINUX_SIGTRAMP, ABI_MARKER_LINUX_INTERRUPT): Define.
1594         (ia64_handle_unwabi): Test 'fs->unwabi' against them.
1595         Do not set 'pfs_loc' to the AR.PFS location in the signal context;
1596         instead set 'signal_pfs_loc'.
1597         Remove code preventing the AR.PFS register from being restored
1598         from the signal context.
1599
1600 2009-08-14  Douglas B Rupp  <rupp@gnat.com>
1601             Tristan Gingold  <gingold@adacore.com>
1602
1603         * config.gcc (ia64-hp-*vms*): Insert ia64/t-ia64 in tmake_file.
1604         * config/ia64/t-vms: New file.
1605         * config/ia64/vms64.h: New file.
1606         * config/ia64/vms.h: New file.
1607         * config/ia64/vms-crtinit.asm: New file.
1608         * config/ia64/vms_symvec_libgcc_s.opt: New file.
1609         * config/ia64/vms-unwind.h: New file.
1610
1611 2009-08-14  Uros Bizjak  <ubizjak@gmail.com>
1612
1613         * config/alpha/alpha.c (alpha_emit_conditional_move): Handle
1614         TFmode compares.
1615
1616 2009-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1617
1618         PR middle-end/30789
1619         * builtins.c (do_mpc_arg2): Make extern, define for any MPC version.
1620         Move declaration...
1621         * real.h (do_mpc_arg2): ... here.
1622         * fold-const.c (const_binop): Use MPC for complex MULT_EXPR
1623         and RDIV_EXPR.
1624
1625 2009-08-14  Rafael Avila de Espindola  <espindola@google.com>
1626
1627         * final.c (add_debug_prefix_map): Don't use GC memory for
1628         old_prefix and new_prefix.
1629
1630 2009-08-14  Richard Guenther  <rguenther@suse.de>
1631
1632         * ipa-prop.c (compute_complex_pass_through): If we cannot
1633         compute a non-varying offset for IPA_JF_ANCESTOR punt.
1634
1635 2009-08-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1636
1637         * c-lex.c (c_lex_with_flags): Increase size of local variable
1638         to avoid memory clobber.
1639
1640 2009-08-14  Paolo Bonzini  <bonzini@gnu.org>
1641
1642         PR target/40934
1643         * config/i386/i386.c (ix86_fp_comparison_strategy):
1644         Only enable/disable sahf at function granularity.
1645
1646 2009-08-14  Hans-Peter Nilsson  <hp@axis.com>
1647
1648         PR rtl-optimization/41064
1649         * reload1.c (reload_as_needed): Don't call extract_insn
1650         for known invalid replacements after calling
1651         validate_replace_rtx_group and verify_changes.
1652
1653 2009-08-14  Uros Bizjak  <ubizjak@gmail.com>
1654
1655         PR target/41019
1656         * config/i386/sse.md (SSEMODE124C8): New mode iterator.
1657         (vcond<SSEMODEF2P:mode>): Assert that operation is supported by
1658         ix86_expand_fp_vcond.
1659         (vcond<SSEMODE124C8:mode>): Use SSEMODE124C8 instead of SSEMODE124.
1660         Assert that operation is supported by ix86_expand_int_vcond.
1661         (vcondu<SSEMODE124C8:mode>): Ditto.
1662
1663 2009-08-13  DJ Delorie  <dj@redhat.com>
1664
1665         * config/i386/djgpp-stdint.h: New.
1666         * config.gcc (djgpp): Use it.
1667
1668 2009-08-13  Kaz Kojima  <kkojima@gcc.gnu.org>
1669
1670         * config/sh/sh.c (sh_override_options): When flag_exceptions or
1671         flag_unwind_tables is on, turn flag_reorder_blocks_and_partition off.
1672
1673 2009-08-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
1674
1675         * tree-ssa-loop-prefetch.c
1676         (prune_ref_by_group_reuse): Enhance probabilistic analysis
1677         for long-stride pruning.
1678         (compute_miss_rate): New function to compute the probability
1679         that two memory references access different cache lines.
1680
1681 2009-08-13  Dave Korn  <dave.korn.cygwin@gmail.com>
1682
1683         * gcc/config/i386/cygwin.h (LINK_SPEC): Add --enable-auto-image-base.
1684
1685 2009-08-13  Richard Guenther  <rguenther@suse.de>
1686
1687         PR middle-end/41047
1688         * tree-ssa-ccp.c (ccp_fold): When folding pointer additions
1689         use the constant pointer type.
1690         * gimplify.c (canonicalize_addr_expr): Canonicalize independent
1691         of CV qualifiers on the target pointer type.
1692         * tree-ssa.c (useless_type_conversion_p): Move incomplete pointer
1693         conversion check before restrict check.
1694
1695 2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1696
1697         PR target/41029
1698         * config/sh/sh.md (reload_outdf__RnFRm+4): Fix thinko.
1699
1700 2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1701
1702         * config/sh/sh.c (sh_promote_function_mode): Add ATTRIBUTE_UNUSED.
1703
1704 2009-08-12  Richard Guenther  <rguenther@suse.de>
1705
1706         PR tree-optimization/41011
1707         * ipa-cp.c (ipcp_lattice_from_jfunc): Deal with failing fold
1708         and reference constructing.
1709
1710 2009-08-12  Xinliang David Li  <davidxl@google.com>
1711
1712         PR tree-optimization/41012
1713         * tree-flow.h : New external interface.
1714         * gimple-low.c (check_call_arg): Change to public function.
1715         Remove argument mismatch check in lowering.
1716         * tree-inline.h (tree_can_inline_p): Interface change.
1717         * tree-inline.c (tree_can_inline_p): Fold argument mismatch check
1718         into this function.
1719         * ipa-inline.c (cgraph_decide_inlining_of_small_functions):
1720         Call change to tree_can_inline_p function.
1721         (cgraph_decide_inlining_incrementally): Ditto.
1722
1723 2009-08-12  Richard Sandiford  <rdsandiford@googlemail.com>
1724
1725         PR tree-optimization/41031
1726         * tree-outof-ssa.c (insert_value_copy_on_edge): Use promote_decl_mode
1727         on the partition variable rather than promote_mode on the source
1728         type.  Assert that the partition variable's type has the same
1729         mode as the source value's.
1730
1731 2009-08-12  Paolo Bonzini  <bonzini@gnu.org>
1732
1733         * doc/tm.texi (TARGET_PROMOTE_FUNCTION_MODE): Add documentation
1734         for for_return == 2.
1735         * function.c (assign_parm_setup_reg): Use for_return == 2, improve
1736         comments.
1737         * calls.c (expand_call): Fix typo.
1738         * explow.c (promote_decl_mode): Use for_return == 2 for RESULT_DECL
1739         and PARM_DECL.
1740         * stmt.c (expand_value_return): Use promote_function_mode to copy out
1741         of pseudo.
1742         * targhooks.c (default_promote_function_mode): Handle for_return == 2.
1743         * config/cris/cris.c (cris_promote_function_mode): Likewise.
1744         * config/mmix/mmix.c (mmix_promote_function_mode): Likewise.
1745         * config/pa/pa.c (pa_promote_function_mode): Likewise.
1746
1747 2009-08-12  Andrew Haley  <aph@redhat.com>
1748
1749         * config/arm/arm.c (arm_init_libfuncs): Add __sync_synchronize.
1750
1751 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1752
1753         PR bootstrap/40103
1754         * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".
1755
1756 2009-08-12  Richard Guenther  <rguenther@suse.de>
1757
1758         * alias.c (get_alias_set): Honor TYPE_STRUCTURAL_EQUALITY_P.
1759         * gimplify.c (gimplify_modify_expr): Do not use
1760         lang_hooks.types_compatible_p.
1761         * tree-ssa.c (useless_type_conversion_p): For aggregates
1762         just return false if the canonical types differ.
1763
1764 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1765
1766         PR middle-end/40980
1767         * sese.c (convert_for_phi_arg): New.
1768         (add_guard_exit_phis): Use convert_for_phi_arg.
1769
1770 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1771
1772         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1773         unknown subscript upper bounds.
1774
1775 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1776             Pranav Garg  <pranav.garg2107@gmail.com>
1777
1778         * graphite-interchange.c (gather_access_strides): Removed.
1779         (ppl_max_for_le): New.
1780         (build_linearized_memory_access): New.
1781         (memory_stride_in_loop): New.
1782         (pbb_interchange_profitable_p): Reimplemented.
1783         * graphite-ppl.h (ppl_new_id_map): New.
1784         (ppl_interchange): New.
1785
1786 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1787
1788         * graphite-interchange.c (compute_subscript): Removed.
1789         (compute_array_size_cstr): Removed.
1790         (compute_array_size_poly): Removed.
1791         (compute_array_size): Removed.
1792         (gather_access_strides_poly): Removed.
1793         (gather_access_strides): Empty.
1794
1795 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1796
1797         * graphite-dependences.c (dependence_polyhedron_1): Replace
1798         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1799         (graphite_legal_transform_dr): Same.
1800         (graphite_carried_dependence_level_k): Same.
1801         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1802         Initialize PDR_NB_SUBSCRIPTS.
1803         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1804         PDR_NB_SUBSCRIPTS.
1805         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1806         (PDR_NB_SUBSCRIPTS): New.
1807         (pdr_nb_subscripts): Removed.
1808         (pdr_dim): Simplified.
1809         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1810         with PDR_NB_SUBSCRIPTS.
1811
1812 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1813
1814         * graphite-interchange.c (compute_array_size): Remove use of
1815         PDR_DATA_CONTAINER.
1816         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1817         Do not initialize PDR_DATA_CONTAINER.
1818         (print_pdr): Do not print PDR_DATA_CONTAINER.
1819         * graphite-poly.h (struct poly_dr): Remove data_container field.
1820         (PDR_DATA_CONTAINER): Removed.
1821         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1822         PDR_DATA_CONTAINER.
1823         (build_poly_dr): Same.
1824
1825 2009-08-12  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1826             Sebastian Pop  <sebastian.pop@amd.com>
1827
1828         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1829         copy of the dependence polyhedron.  Free the temporary objects.
1830         (graphite_carried_dependence_level_k): Free unused objects before
1831         returning.
1832
1833         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
1834         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
1835         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
1836         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
1837         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
1838
1839 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1840
1841         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1842         Early return without analyzing the data dependences if no
1843         transform has been done.  Call restore_scattering if the transform
1844         is not legal.
1845         (graphite-interchange.c): Same.
1846         * graphite-poly.c (print_scattering_function): Test for
1847         PBB_TRANSFORMED.
1848         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1849         (apply_poly_transforms): Do not gcc_assert that
1850         the transform is legal.
1851         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED and PBB_ORIGINAL.
1852         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1853         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1854         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1855         * graphite-poly.h (struct poly_scattering): New.
1856         (struct poly_bb): Add original, transformed, and saved fields.
1857         Remove transformed_scattering, original_scattering,
1858         nb_local_variables and nb_scattering_transform fields.
1859         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1860         (poly_scattering_new): New.
1861         (poly_scattering_free): New.
1862         (poly_scattering_copy): New.
1863         (store_scattering_pbb): New.
1864         (store_scattering): New.
1865         (restore_scattering_pbb): New.
1866         (restore_scattering): New.
1867         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1868         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1869
1870 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1871
1872         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1873         (print_scop): Same.
1874
1875 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1876
1877         * Makefile.in (graphite.o): Depends on PREDICT_H.
1878         * graphite.c: Include predict.h.
1879         (graphite_finalize): Call tree_estimate_probability.
1880         * predict.c (predict_loops): Do not call scev_initialize and
1881         scev_finalize.
1882         (tree_estimate_probability_bb): New.
1883         (tree_estimate_probability): Do not initialize loops: move that
1884         code to the driver.  Call tree_estimate_probability_bb.
1885         (tree_estimate_probability_driver): New.
1886         (pass_profile): Use tree_estimate_probability_driver.
1887         * predict.h (tree_estimate_probability): Declared.
1888
1889 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1890
1891         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1892         * graphite-dependences.c (graphite_legal_transform): Add time to
1893         TV_GRAPHITE_DATA_DEPS.
1894         (dependency_between_pbbs_p): Same.
1895         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
1896
1897 2009-08-12  Andrey Belevantsev  <abel@ispras.ru>
1898
1899         PR rtl-optimization/41033
1900         * alias.c (nonoverlapping_component_refs_p): Punt when strict
1901         aliasing is disabled.
1902
1903 2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>
1904
1905         * config/mips/predicates.md (qi_mask_operand, hi_mask_operand,
1906         si_mask_operand, and_load_operand, low_bitmask_operand,
1907         and_reg_operand, and_operand): New predicates.
1908         * config/mips/constraints.md (Yb, Yh, Yw, Yz): New constraints.
1909         * config/mips/mips.c (and_operands_ok): New function.
1910         * config/mips/mips-protos.h (and_operands_ok): Declare it.
1911         * config/mips/mips.md (move_type): Add ext_ins and logical.
1912         (type): Handle them.
1913         (and<mode>3): Use and_reg_operand as the second operand's predicate.
1914         (*and<mode>3): Add alternatives for lbu, lhu, lwu, <d>ext and
1915         shift_shift.  Remove commutative constraint modifier.
1916         (*and<mode>3_mips16): Add alternatives for lbu, lhu, lwu and
1917         shift_shift.
1918         (*clear_upper32_dext): Remove define_insn_and_split.
1919         (*clear_upper32): Turn this define_insn_and_split ...
1920         (splitter for ANDing register with 0xffff_ffff): .. into this.
1921
1922 2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>
1923
1924         * combine.c (try_widen_shift_mode): Factor out code to check if an
1925         integer constant is a low-order bitmask from here ...
1926         * rtlanal.c (low_bitmask_len): ... to here.
1927         * rtl.h (low_bitmask_len): Declare.
1928
1929 2009-08-11  Uros Bizjak  <ubizjak@gmail.com>
1930
1931         PR target/8603
1932         * config/alpha/alpha.md (addsi3): Remove expander.
1933         (addsi3): Rename from *addsi3_internal insn pattern.
1934         (subsi3): Remove expander.
1935         (subsi3): Rename from *subsi3_internal insn pattern.
1936
1937 2009-08-11  Douglas B Rupp  <rupp@gnat.com>
1938
1939         * config/alpha/alpha.c (alpha_init_builtins): Nullify FWRITE and
1940         FWRITE_UNLOCKED.
1941
1942 2009-08-11  Vasiliy Fofanov  <fofanov@adacore.com>
1943             Eric Botcazou  <botcazou@adacore.com>
1944             Douglas B Rupp  <rupp@gnat.com>
1945
1946         * config/alpha/alpha.c (alpha_return_in_memory): On VMS, ensure
1947         that records that fit in 64 bits are returned by immediate value,
1948         as required by OpenVMS Calling Standard.
1949         (function_value): Adjust for above modification.
1950         (alpha_va_start) <TARGET_ABI_OPEN_VMS>: Use
1951         virtual_incoming_args_rtx as base object, not next_arg.
1952         * config/alpha/vms.h: (DEFAULT_PCC_STRUCT_RETURN): Define as 0.
1953
1954 2009-08-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1955
1956         * reload.c (find_reloads_subreg_address): Check the original
1957         req_equiv_mem address to detect the case where an address is
1958         not valid in the outer mode.
1959
1960 2009-08-11  Richard Guenther  <rguenther@suse.de>
1961
1962         PR bootstrap/40788
1963         * builtins.c (gimplify_va_arg_expr): Do not call SET_EXPR_LOCATION.
1964
1965 2009-08-10  Douglas B Rupp  <rupp@gnat.com>
1966
1967         * config/alpha/vms.h (OPTIMIZATION_OPTIONS): Remove
1968         (OVERRIDE_OPTIONS): Incorporate removed OPTIMIZATION_OPTIONS.
1969
1970 2009-08-10  Olivier Hainque  <hainqueu@adacore.com>
1971             Douglas B Rupp  <rupp@gnat.com>
1972
1973         * config/alpha/alpha.c (alpha_sa_size): Force procedure type to
1974         PT_STACK when frame_pointer_needed on OpenVMS.
1975         (alpha_pv_save_size, alpha_using_fp): Remove.
1976         (alpha_vms_can_eliminate): New function. Support for CAN_ELIMINATE
1977         with proper processing for PT_NULL.
1978         (alpha_vms_initial_elimination_offset): New function. Support for
1979         INITIAL_ELIMINATION_OFFSET with proper processing for PT_NULL.
1980         (alpha_sa_size): Force procedure type to PT_STACK when
1981         frame_pointer_needed on OpenVMS.
1982         * config/alpha/alpha-protos.h (alpha_pv_save_size): Remove prototype.
1983         (alpha_using_fp): Likewise.
1984         (alpha_vms_can_eliminate): Add prototype.
1985         (alpha_vms_initial_elimination_offset): Likewise.
1986         * config/alpha/vms.h (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET):
1987         Call alpha_vms_can_eliminate and alpha_vms_initial_elimination_offset.
1988
1989 2009-08-10  Eric Botcazou  <botcazou@adacore.com>
1990             Douglas B Rupp  <rupp@gnat.com>
1991
1992         * config/alpha/alpha.c (common_object_handler): New function.
1993         (vms_attribute_table): Declare a single attribute "common_object".
1994         (vms_output_aligned_decl_common): New global function.
1995         (SECTION_VMS_OVERLAY): Delete.
1996         (SECTION_VMS_GLOBAL): Likewise.
1997         (SECTION_VMS_INITIALIZE): Likewise.
1998         (vms_asm_named_section): Remove support for above flags.
1999         (vms_section_type_flags): Delete.
2000         (TARGET_SECTION_TYPE_FLAGS): Likewise.
2001         * config/alpha/alpha-protos.h (vms_output_aligned_decl_common): New.
2002         * config/alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
2003         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New macro.
2004
2005 2009-08-10  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
2006
2007         PR target/41015
2008         * longlong.h [__sh__] (udiv_qrnnd): Add T register to clobber list.
2009         (sub_ddmmss): Likewise.
2010
2011 2009-08-10  Andreas Tobler  <a.tobler@schweiz.org>
2012
2013         PR bootstrap/41018
2014         * config/rs6000/freebsd.h: Define SVR4_ASM_SPEC. Adjust copyright
2015         year.
2016
2017 2009-08-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2018
2019         PR target/37053
2020         * reload1.c (reload_as_needed): Use cancel_changes to completely
2021         undo a failed replacement attempt.
2022
2023 2009-08-10  Richard Guenther  <rguenther@suse.de>
2024
2025         PR middle-end/41006
2026         * tree-ssa.c (useless_type_conversion_p_1): Fold into ...
2027         (useless_type_conversion_p): ... here.  Require pointer targets
2028         to be compatible.
2029
2030 2009-08-10  Dodji Seketeli  <dodji@redhat.com>
2031
2032         PR c++/40866
2033         * tree-inline.c (copy_statement_list): The resulting copy shouldn't
2034         loose the original type of the statement list.
2035
2036 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
2037
2038         * config/alpha/alpha.c: Include libfuncs.h
2039         (avms_asm_output_extern): New function.
2040         (alpha_init_libfuncs): Init some decc libfuncs.
2041         * config/alpha/alpha-protos.h (avms_asm_output_external): Declare.
2042         * config/alpha/vms.h (ASM_OUTPUT_EXTERNAL): Define.
2043         (DO_CRTL_NAMES): Define.
2044         (LIB_SPEC): Remove.
2045         * config/alpha/vms64.h: (POINTERS_EXTEND_UNSIGNED): Remove undef.
2046         (LONG_TYPE_SIZE): Define.
2047         (TARGET_OS_CPP_BUILTINS): Define with __LONG_POINTERS=1
2048         (SUBTARGET_SWITCHES): Define malloc64 switch.
2049         (TARGET_DEFAULT): Default MASK_MALLOC64 set.
2050         (MASK_RETURN_ADDR): Define.
2051         doc/invoke.texi (mmalloc64): Document switch.
2052
2053 2009-08-09  Olivier Hainque  <hainque@adacore.com>
2054             Douglas B Rupp  <rupp@gnat.com>
2055
2056         * config/alpha/alpha.c (struct machine_function): New flag for VMS,
2057         uses_condition_handler.
2058         (alpha_expand_builtin_establish_vms_condition_handler): New expander.
2059         (alpha_expand_builtin_revert_vms_condition_handler): New expander.
2060         (enum alpha_builtin): New ALPHA_BUILTIN_REVERT_VMS_CONDITION_HANDLER
2061         and ALPHA_BUILTIN_ESTABLISH_VMS_CONDITION_HANDLER values.
2062         (code_for_builtin): New insn codes for the new alpha_builtins.
2063         (alpha_init_builtins): Register the new functions as BUILT_IN_MD.
2064         (alpha_sa_size): Account for uses_condition_handler.
2065         (alpha_expand_prologue): Likewise.
2066         (alpha_start_function): Likewise.
2067         (alpha_expand_epilogue): Likewise.
2068         * config/alpha/alpha-protos.h: Prototype the new alpha.c builtin
2069         establish/revert expanders.
2070         * config/alpha/alpha.h (DWARF_FRAME_REGNUM): Define.
2071         * config/alpha/alpha.md (builtin_establish_vms_condition_handler):
2072         New expander, resorting to the alpha.c associated function.
2073         (builtin_revert_vms_condition_handler): Likewise.
2074         * config/alpha/vms-gcc_shell_handler.c: New file. Implements
2075         __gcc_shell_handler, the static VMS condition handler used as
2076         an indirection wrapper to the current dynamically established
2077         handler.
2078         * config/alpha/vms-unwind.h: Complete rewrite.
2079         * config/alpha/t-vms (LIB2FUNCS_EXTRA): Add vms-gcc_shell_handler.c
2080         * config/alpha/vms.h (MD_UNWIND_SUPPORT):
2081
2082 2009-08-09  Eric Botcazou  <botcazou@adacore.com>
2083             Douglas B Rupp  <rupp@gnat.com>
2084
2085         * config/alpha/alpha.c (alpha_links): Add 'target' field.
2086         (alpha_need_linkage): Handle aliases.  Return function symbol.
2087         (alpha_use_linkage): Rename 'linkage' argument to 'func'.
2088         Use ultimate alias target for the linkage name.
2089         * config/alpha/alpha.md (movmemdi): Use the symbol returned
2090         by alpha_need_linkage for the function symbol.
2091         (setmemdi): Likewise.
2092
2093 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
2094
2095         * config/alpha/alpha.c (TARGET_ASM_UNALIGNED_*_OP): Define if on VMS.
2096         * config/alpha/vms.h (OBJECT_FORMAT_ELF): Define.
2097         (ASM_WEAKEN_LABEL): Define.
2098         (CRT_CALL_STATIC_FUNCTION): Define.
2099         (STARTFILE_SPEC): Add crtbegin.o crtbeginS.o.
2100         (ENDFILE_SPEC): Define.
2101         (INIT_SECTION_ASM_OP): Define.
2102         * config/alpha/vms-dwarf2eh.asm (__EH_FRAME_BEGIN__): Remove.
2103         * config/alpha/t-vms (EXTRA_PARTS): Add crtbegin.o crtbeginS.o
2104         crtend.o crtendS.o.
2105         (MULTILIB_OSDIRNAMES): Define.
2106         (shlib_version): Define.
2107         (SHLIB_EXT): Define.
2108         (SHLIB_OBJS): Define.
2109         (SHLIB_NAME): Define.
2110         (SHLIB_MULTILIB): Define.
2111         (SHLIB_INSTALL): Define.
2112         (SHLIB_SYMVEC): Define.
2113         (SHLIB_SYMVECX2): Define.
2114         (SHLIB_LINK): Define.
2115
2116 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
2117
2118         * config/alpha/alpha.c (alpha_initialize_trampoline):
2119         Initialize VMS trampoline IAW ABI for bounded procedure calls.
2120         (alpha_start_function): Emit transfer address on nested functions
2121         for VMS trampoline call.
2122         * config/alpha/t-vms (LIB2FUNCS_EXTRA): Remove vms_tramp.asm
2123         since no longer used.
2124         * config/alpha/vms-tramp.asm: Remove.
2125         * config/alpha/vms.h (TRAMPOLINE_TEMPLATE): Leave undefined
2126         since now only data initialized at runtime.
2127
2128 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
2129
2130         * config/alpha/vms.h (HANDLE_SYSV_PRAGMA): Define.
2131         (LINK_GCC_C_SEQUENCE_SPEC): Define.
2132         (MD_EXEC_PREFIX): Remove, no longer used.
2133         (MD_STARTFILE_PREFIX): Likewise.
2134         (INCLUDE_DEFAULTS): Likewise.
2135         * config/alpha/t-vms:
2136         (vms-dwarf2.o, vms-dwarf2eh.o): Use GCC_FOR_TARGET to compile.
2137
2138 2009-08-09  Richard Guenther  <rguenther@suse.de>
2139
2140         PR tree-optimization/41016
2141         * tree-ssa-ifcombine.c (get_name_for_bit_test): Fix tuplification bug.
2142         (operand_precision): Remove.
2143         (integral_operand_p): Likewise.
2144         (recognize_single_bit_test): Adjust.
2145
2146 2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2147
2148         * c-common.c (c_fully_fold_internal): Issue a warning if a binary
2149         operation overflows.  Likewise non-cast unary arithmetic.
2150         If one arm of a conditional expression is always taken,
2151         inhibit evaluation warnings for the other arm.  Likewise inhibit
2152         evaluation warnings for the second && or || operand if the first
2153         operand is enough to determine the result.
2154         * c-typeck.c (build_conditional_expr): Apply the same inhibition
2155         rules here.
2156         (build_binary_op): Prevent duplicate evaluation warnings.
2157
2158 2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2159
2160         * tree-out-of-ssa.c (insert_value_copy_on_edge): If the source
2161         and destination have different modes, Use promote_mode to
2162         determine the signedness of the conversion.  Assert that the
2163         promoted source mode matches the destination mode.  Don't pass
2164         the destination and destination mode to expand_expr if the source
2165         mode is different.  Simplify conversion logic.
2166
2167 2009-08-09  Ira Rosen  <irar@il.ibm.com>
2168
2169         PR tree-optimization/41008
2170         * tree-vect-loop.c (vect_is_simple_reduction): Get operands
2171         from condition only in case it's a comparison. Adjust checks.
2172
2173 2009-08-09  Bernd Schmidt  <bernd.schmidt@analog.com>
2174
2175         * tree-dfa.c (renumber_gimple_stmt_uids_in_blocks): New function.
2176         * tree-flow.h (renumber_gimple_stmt_uids_in_blocks): Declare it.
2177         * tree-ssa-loop-ivopts.c (comp_cost): Make COST an integer.
2178         (enum iv_position): Add IP_AFTER_USE and IP_BEFORE_USE.
2179         (dump_cand): Handle them.
2180         (struct iv_cand): New members COST_STEP and AINC_USE.
2181         (stmt_after_increment): Likewise.
2182         (stmt_after_inc_pos): Renamed from stmt_after_ip_original_pos.  All
2183         callers changed.  Use gimple_uid comparison instead of scanning.
2184         (add_candidate_1): When looking for identical candidates, take
2185         AINC_USE into account.  Set it for new candidates.
2186         (force_expr_to_var_cost): Cast target_spill_cost to int.
2187         (get_address_cost): New arguments STMT_AFTER_INC and MAY_AUTOINC.
2188         All callers changed.  Check for availability of autoinc addressing
2189         modes, both in general for a given mode, and in the specific use case.
2190         (get_computation_cost_at): New argument CAN_AUTOINC.  All callers
2191         changed.
2192         (get_computation_cost): Likewise.
2193         (autoinc_possible_for_pair, set_autoinc_for_original_candidates,
2194         add_autoinc_candidates): New static functions.
2195         (add_candidate): Call add_autoinc_candidates for candidates based on
2196         a USE_ADDRESS use.
2197         (find_iv_candidates): Call set_autoinc_for_original_candidates.
2198         (determine_use_iv_cost_address): If we have an autoinc candidate at
2199         the matching use, verify autoinc is possible and subtract the cost
2200         of the candidate's step from the cost.
2201         (determine_iv_cost): Record the cost of the increment in the COST_STEP
2202         member of the candidate.
2203         (tree_ssa_iv_optimize_loop): Swap the calls to determine_iv_costs and
2204         determine_use_iv_costs.  Call renumber_gimple_stmt_uids_in_blocks.
2205
2206 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
2207
2208         * config.build (ia64-hp-*vms*): New target.
2209         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
2210         with ia64-hp-*vms*.
2211         * config.gcc (ia64-hp-*vms*): New target.
2212         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
2213         with ia64-hp-*vms*.
2214         * config.host (ia64-hp-*vms*): New target.
2215         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
2216         with ia64-hp-*vms*.
2217
2218 2009-08-08  Richard Guenther  <rguenther@suse.de>
2219
2220         PR tree-optimization/40991
2221         * tree-ssa-pre.c (eliminate): Delay purging EH edges.
2222
2223 2009-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
2224
2225         * combine.c (gen_lowpart_or_truncate): Exclude CONST_INTs from
2226         mode check.  Do truncations in an integer mode.
2227         (force_to_mode): Handle subregs for all mode types.  Only do
2228         arithmetic simplifications on integer modes.
2229
2230 2009-08-07  Richard Guenther  <rguenther@suse.de>
2231
2232         PR tree-optimization/40999
2233         * tree-ssa-ccp.c (get_symbol_constant_value): Handle CONST_DECLs.
2234         (maybe_fold_reference): Lookup constant initializers.
2235         (fold_gimple_assign): Likewise.
2236
2237 2009-08-07  Richard Guenther  <rguenther@suse.de>
2238
2239         * tree-ssa.c (useless_type_conversion_p_1): Only for types
2240         that require structural equality defer to the langhook.
2241
2242 2009-08-07  Martin Jambor  <mjambor@suse.cz>
2243
2244         * ipa-prop.h (enum jump_func_type): New value IPA_JF_ANCESTOR, changed
2245         comments.
2246         (struct ipa_pass_through_data): New type.
2247         (struct ipa_ancestor_jf_data): New type.
2248         (union jump_func_value): Removed field formal_id, added fields
2249         pass_through and ancestor.
2250         (struct ipa_param_call_note): Changed type of formal_id to int from
2251         unsigned.
2252         * ipa-prop.c (ipa_print_node_jump_functions): Print pass through with
2253         operations jump functions and ancestor jump functions.
2254         (compute_complex_pass_through): New function.
2255         (compute_scalar_jump_functions): Call compute_complex_pass_through,
2256         reflect changes in the jump function strucutre.
2257         (update_jump_functions_after_inlining): Ignore complex pass-through
2258         and ancestor jump functions.
2259         * ipa-cp.c (ipcp_lattice_from_jfunc): Added support for ancestor and
2260         polynomial pass-through with operation jump functions.
2261
2262 2009-08-07  Jakub Jelinek  <jakub@redhat.com>
2263
2264         * dwarf2out.c (output_fde): When doing hot/cold partitioning, use
2265         fde->dw_fde_begin as begin label instead of hot/cold label.
2266         Use LLSDAC label instead of LLSDA for second section lsda.
2267         (dwarf2out_do_cfi_startproc): Add SECOND argument.  Use LLSDAC
2268         label instead of LLSDA if it is true.
2269         (dwarf2out_begin_prologue, dwarf2out_switch_text_section): Adjust
2270         callers.
2271         * except.c (add_call_site, dw2_size_of_call_site_table): Add
2272         SECTION argument.  Use it as index into crtl->eh.call_site_record
2273         array.
2274         (dw2_output_call_site_table): Likewise.  Add CS_FORMAT argument,
2275         use it to determine how to print table entries instead of using
2276         #ifdef HAVE_AS_LEB128.  For SECTION > 0 use hot resp. cold
2277         label instead of normal begin label as base.
2278         (sjlj_assign_call_site_values): Adjust add_call_site caller.
2279         (convert_to_eh_region_ranges): When doing hot/cold partitioning,
2280         ensure no EH range spans between sections and that landing pads
2281         are always in the corresponding section.
2282         (sjlj_size_of_call_site_table, sjlj_output_call_site_table): Adjust
2283         for crtl->eh.call_site_record being an array rather than scalar.
2284         (output_one_function_exception_table): New function, copied
2285         from output_function_exception_table.  Adjust
2286         dw2_size_of_call_site_table, dw2_output_call_site_table
2287         callers.  For SECOND section use *C suffixed labels.
2288         (output_function_exception_table): Call
2289         output_one_function_exception_table and, when doing hot/cold
2290         partitioning, also another time for the second section.
2291         * opts.c: Include except.h.
2292         (decode_options): Allow -freorder-blocks-and-partition with
2293         exceptions, unless SJLJ or TARGET_UNWIND_INFO.
2294         * Makefile.in (opts.o): Depend on $(EXCEPT_H).
2295         * function.h (struct rtl_eh): Change call_site_record from
2296         scalar into array of 2 elements.
2297
2298 2009-08-07  Martin Jambor  <mjambor@suse.cz>
2299
2300         * ipa-prop.c (count_formal_params_1): New function.
2301         (ipa_get_vector_of_formal_parms): New function.
2302         (get_vector_of_formal_parm_types): New function.
2303         (ipa_modify_formal_parameters): New function.
2304         (ipa_modify_call_arguments): New function.
2305         (index_in_adjustments_multiple_times_p): New function.
2306         (ipa_combine_adjustments): New function.
2307         (ipa_dump_param_adjustments): New function.
2308         * ipa-prop.h (struct ipa_parm_adjustment): New type.
2309         (ipa_get_vector_of_formal_parms): Declare.
2310         (ipa_modify_formal_parameters): Declare.
2311         (ipa_modify_call_arguments): Declare.
2312         (ipa_combine_adjustments): Declare.
2313         (ipa_dump_param_adjustments): Declare.
2314         (build_ref_for_offset): Declare.
2315         * Makefile.in (tree-sra.o): Add ipa-prop.h to dependencies.
2316         * tree-sra.c: Include ipa-prop.c.
2317         (build_ref_for_offset): Make public.
2318
2319 2009-08-06  Neil Vachharajani  <nvachhar@gmail.com>
2320
2321         * value-prof.c (init_pid_map): Replace xmalloc with XCNEWVEC.
2322
2323 2009-08-06  Thomas Schwinge  <tschwinge@gnu.org>
2324
2325         * gcc/doc/extend.texi (__builtin_extract_return_address)
2326         (__builtin_frob_return_address): Document.
2327
2328 2009-08-06  Paul Brook  <paul@codesourcery.com>
2329
2330         * config/arm/lib1funcs.asm (ARM_DIV_BODY): Add Thumb-2 implementation.
2331         (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Only use Thumb-1
2332         implementation on ARMv6-M.
2333
2334 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
2335
2336         * doc/extend.texi (pcs): Document new attribute for ARM.
2337
2338 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
2339
2340         * arm.c (pcs_attribute_args): Comment out unsupported attribute
2341         variants.
2342
2343 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
2344
2345         * arm.c (arm_handle_pcs_attribute): Pass the entire name object to
2346         warning ().
2347
2348 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
2349
2350         * arm.c (arm_handle_pcs_attribute): Use %qE in warning.
2351
2352 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
2353
2354         Merge ARM/hard_vfp_branch to trunk.
2355
2356         2009-08-04  Richard Earnshaw  <rearnsha@arm.com>
2357
2358         * arm.c (libcall_eq): New function.
2359         (libcall_hash): New function.
2360         (add_libcall): New function.
2361         (arm_libcall_uses_aapcs_base): New function.
2362         (arm_libcall_value): Use arm_libcall_uses_aapcs_base to check for
2363         libcalls using the base PCS.
2364         (arm_init_cumulative_args): Likewise.
2365
2366         2009-07-20  Joseph Myers  <joseph@codesourcery.com>
2367
2368         * config/arm/arm.c (arm_libcall_value, arm_init_cumulative_args):
2369         Use base ABI for conversion libfuncs between HFmode and SFmode.
2370
2371         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
2372
2373         * config/arm/arm.c (aapcs_vfp_sub_candidate): Use V2SImode and
2374         V4SImode as representatives of all 64-bit and 128-bit vector
2375         types.  Allow vector types without vector modes.
2376         (aapcs_vfp_is_call_or_return_candidate): Handle vector types
2377         without vector modes like BLKmode.
2378         (aapcs_vfp_allocate): Handle TImode for non-TARGET_NEON like
2379         BLKmode.  Avoid unsupported vector modes or TImode moves for
2380         non-TARGET_NEON.
2381         (aapcs_vfp_allocate_return_reg): Likewise.
2382         (arm_vector_mode_supported_p): Only support V2SImode, V4HImode and
2383         V8QImode if TARGET_NEON || TARGET_IWMMXT.
2384
2385         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
2386
2387         * config/arm/arm.c (arm_handle_pcs_attribute): New.
2388         (arm_get_pcs_model): Pass attribute arguments to
2389         arm_pcs_from_attribute.
2390         (arm_init_cumulative_args): Use base AAPCS for conversions from
2391         floating-point types to DImode.
2392         (arm_attribute_table): Add pcs attribute.
2393         (arm_handle_pcs_attribute): New.
2394         * config/arm/bpabi.h (DECLARE_LIBRARY_RENAMES): When renaming
2395         conversions from floating-point types to DImode, also declare them
2396         to use base AAPCS and declare functions they call to use base
2397         AAPCS and their RTABI names.
2398
2399         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
2400
2401         * doc/invoke.texi (-mfloat-abi=@var{name}): Remove statement about
2402         -mfloat-abi=hard not being supported for VFP.
2403
2404         2009-05-11  Kazu Hirata  <kazu@codesourcery.com>
2405
2406         * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Pass a libcall
2407         SYMBOL_REF to hard_libcall_value.
2408
2409         2009-03-05  Joseph Myers  <joseph@codesourcery.com>
2410             Richard Earnshaw  <rearnsha@arm.com>
2411
2412         * config/arm/arm.c (aapcs_layout_arg): Once a co-processor argument
2413         has been put on the stack, all remaining co-processory arguments for
2414         that co-processor also go on the stack.
2415
2416         2009-03-05  Joseph Myers  <joseph@codesourcery.com>
2417
2418         * config/arm/arm.c (arm_return_in_memory): Handle returning
2419         vectors of suitable size in registers also for AAPCS case.
2420
2421         2009-01-13  Richard Earnshaw <rearnsha@arm.com>
2422
2423         * doc/tm.texi (TARGET_LIBCALL_VALUE): Add missing end statement.
2424
2425         2008-12-09  Richard Earnshaw <rearnsha@arm.com>
2426
2427         ARM Hard-VFP calling convention
2428         * target-def.h (TARGET_LIBCALL_VALUE): New hook.
2429         * target.h (gcc_target): Add libcall_value to table of call hooks.
2430         * targhooks.h (default_libcall_value): Default implementation.
2431         * targhooks.c (default_libcall_value): Likewise.
2432         * doc/tm.texi (TARGET_LIBCALL_VALUE): Document it.
2433         * optabs.c (expand_unop): Use it.
2434         * expr.h (hard_libcall_value): Pass the function RTX through.
2435         * calls.c (emit_library_call_value_1): Update call to
2436         hard_libcall_value.
2437         * explow.c (hard_libcall_value): Use new target hook.
2438         * testsuite/lib/target-supports.exp
2439         (check_effective_target_arm_hard_vfp_ok): New hook.
2440         (check_effective_target_arm_neon_ok): Improve test for neon
2441         availability.
2442         * testsuite/gcc.target/arm/eabi1.c: Only run test in base variant.
2443         * config/arm/arm.c: Include cgraph.h
2444         (TARGET_FUNCTION_VALUE): Override default hook.
2445         (arm_pcs_default): New variable.
2446         (arm_override_options): Don't fault hard calling convention with VFP.
2447         Add support for AAPCS variants.
2448         (arm_function_value): Make static.  Handle AAPCS variants.
2449         (arm_libcall_value): New function.
2450         (arm_apply_result_size): Handle VFP registers in results.
2451         (arm_return_in_memory): Rework all AAPCS variants; handle hard-vfp
2452         conventions.
2453         (pcs_attribute_args): New variable.
2454         (arm_pcs_from_attribute): New function.
2455         (arm_get_pcs_model): New function.
2456         (aapcs_vfp_cum_init): New function.
2457         (aapcs_vfp_sub_candidate): New function.
2458         (aapcs_vfp_is_return_candidate): New function.
2459         (aapcs_vfp_is_call_candidate): New function.
2460         (aapcs_vfp_allocate): New function.
2461         (aapcs_vfp_allocate_return_reg): New function.
2462         (aapcs_vfp_advance): New function.
2463         (aapcs_cp_arg_layout): New variable.
2464         (aapcs_select_call_coproc): New function.
2465         (aapcs_select_return_coproc): New function.
2466         (aapcs_allocate_return_reg): New function.
2467         (aapcs_libcall_value): New function.
2468         (aapcs_layout_arg): New function.
2469         (arm_init_cumulative_args): Initialize AAPCS args data.
2470         (arm_function_arg): Handle AAPCS variants using new interface.
2471         (arm_arg_parital_bytes): Likewise.
2472         (arm_function_arg_advance): New function.
2473         (arm_function_ok_for_sibcall): Ensure that sibling calls agree on
2474         calling conventions.
2475         (arm_setup_incoming_varargs): Handle new AAPCS args data.
2476         * arm.h (NUM_VFP_ARG_REGS): Define.
2477         (LIBCALL_VALUE): Update.
2478         (FUNCTION_VALUE): Delete.
2479         (FUNCTION_VALUE_REGNO_P): Add VFP regs.
2480         (arm_pcs): New enum.
2481         (CUMULATIVE_ARGS): New data to support AAPCS argument marshalling.
2482         (FUNCTION_ARG_ADVANCE): Call arm_function_arg_advance.
2483         (FUNCTION_ARG_REGNO_P): Add VFP regs.
2484         * arm-protos.h (arm_function_arg_advance): Add.
2485         (aapcs_libcall_value): Add.
2486         (arm_function_value): Delete.
2487
2488 2009-08-06  Uros Bizjak  <ubizjak@gmail.com>
2489             H.J. Lu  <hongjiu.lu@intel.com>
2490
2491         PR target/40957
2492         * config/i386/i386.c (standard_sse_mode_p): Remove.
2493         (standard_sse_constant_p): Return 2 for integer mode
2494         vector_all_ones_operand when SSE2 is enabled.
2495         (standard_sse_constant_opcode)<case 2>: Always return [v]pcmpeqd.
2496         (ix86_expand_vector_move): Do not check for negative values from
2497         standard_sse_constant_p.
2498
2499 2009-08-06  Richard Guenther  <rguenther@suse.de>
2500
2501         * tree-ssa.c (useless_type_conversion_p_1): Make function and
2502         array type comparisons frontend independent.
2503         * Makefile.in (tree-ssa.o): Add $(TARGET_H) dependency.
2504         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Always fill
2505         out array reference lower bound and element size operands.
2506         (ao_ref_init_from_vn_reference): Properly compute the offset
2507         for ARRAY_RANGE_REF.
2508         (vn_reference_fold_indirect): Fill out array reference lower
2509         bound and element size operands.
2510         * tree-ssa-pre.c (phi_translate_1): Fail if we have to translate
2511         a non gimple valued reference operand which can happen for
2512         array reference lower bound or element size.
2513         (create_component_ref_by_pieces_1): Properly generate the
2514         element size operand for array references.
2515
2516 2009-08-06  Richard Guenther  <rguenther@suse.de>
2517
2518         PR tree-optimization/40964
2519         * tree.c (iterative_hash_host_wide_int): Export.
2520         * tree.h (iterative_hash_host_wide_int): Declare.
2521         * tree-ssa-structalias.c (heapvar_map): New struct.
2522         (heapvar_map_eq): New function.
2523         (heapvar_map_hash): Likewise.
2524         (heapvar_lookup): Adjust.
2525         (heapvar_insert): Likewise.
2526         (make_constraint_from_heapvar): Allow multiple heap variables
2527         per decl at different offsets.
2528         (init_alias_heapvars): Adjust.
2529
2530 2009-08-04  David Daney  <ddaney@caviumnetworks.com>
2531
2532         * config/mips/mips.h (TARGET_SYNC_AFTER_SC): New macro.
2533         * mips_output_sync_loop (mips_output_sync_loop): Only emit
2534         trailing sync if TARGET_SYNC_AFTER_SC.
2535
2536 2009-08-05  David Daney  <ddaney@caviumnetworks.com>
2537
2538         * gcc/config/mips/sync.md (sync_compare_and_swap<mode>,
2539         compare_and_swap_12, sync_add<mode>, sync_<optab>_12,
2540         sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12,
2541         sync_old_nand_12, sync_new_nand_12, sync_sub<mode>,
2542         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
2543         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
2544         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
2545         sync_new_nand<mode>, sync_lock_test_and_set<mode>,
2546         test_and_set_12): Rewrite calls to mips_output_sync_loop.
2547         * gcc/config/mips/mips-protos.h (mips_output_sync_loop): Make
2548         the prototype declaration match the definition.
2549         * gcc/config/mips/mips.c (mips_output_sync_loop):  Emit sync
2550         instructions explicitly.  Add barrier_before and operands
2551         parameters.
2552         * gcc/config/mips/mips.h (MIPS_COMPARE_AND_SWAP,
2553         MIPS_COMPARE_AND_SWAP_12, MIPS_SYNC_OP, MIPS_SYNC_OP_12,
2554         MIPS_SYNC_OLD_OP_12, MIPS_SYNC_NEW_OP_12, MIPS_SYNC_OLD_OP,
2555         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
2556         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE,
2557         MIPS_SYNC_EXCHANGE_12): Remove sync instructions.
2558
2559 2009-08-05  Andrew Pinski  <pinskia@gmail.com>
2560
2561         * tree-ssa-alias.c: Fix intervals to use [) syntax.
2562
2563 2009-08-05  Uros Bizjak  <ubizjak@gmail.com>
2564             Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
2565
2566         PR target/40906
2567         * config/i386/i386.c (ix86_split_long_move): Fix push of multi-part
2568         source operand.
2569
2570 2009-08-05  Jakub Jelinek  <jakub@redhat.com>
2571
2572         PR rtl-optimization/40924
2573         * dse.c (canon_address): Before calling cselib_expand_value_rtx
2574         make sure canon_rtx (mem_address) isn't simpler than
2575         canon_rtx (expanded_mem_address).
2576
2577 2009-08-05  Li Feng  <nemokingdom@gmail.com>
2578
2579         * graphite-sese-to-poly.c (build_pbb_drs): Remove build alias set
2580         for each poly_bb_p.
2581         (build_scop_drs): Build alias set for each SCoP.
2582
2583 2009-08-04  Sandra Loosemore  <sandra@codesourcery.com>
2584
2585         * doc/invoke.texi (MIPS Options): Document new 1004K -march options.
2586         * config/mips/mips.c (mips_cpu_info_table): Add 1004K cores.
2587         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Add pattern for 1004K.
2588         (MIPS_ARCH_FLOAT_SPEC): Likewise.
2589         (BASE_DRIVER_SELF_SPECS): Likewise.
2590
2591 2009-08-04  Andrew Pinski  <pinskia@gmail.com>
2592
2593         * tree-ssa-alias.c: Fix some comment typos.
2594
2595 2009-08-04  Kaz Kojima  <kkojima@gcc.gnu.org>
2596
2597         * config/sh/linux-atomic.asm (ATOMIC_BOOL_COMPARE_AND_SWAP,
2598         ATOMIC_OP_AND_FETCH, ATOMIC_COMBOP_AND_FETCH): Define.
2599
2600 2009-08-03  Janis Johnson  <janis187@us.ibm.com>
2601
2602         PR c/39902
2603         * simplify-rtx.c (simplify_binary_operation_1): Disable
2604         simplifications for decimal float operations.
2605
2606 2009-08-03  Jakub Jelinek  <jakub@redhat.com>
2607
2608         PR middle-end/40943
2609         * tree-ssa.c (warn_uninitialized_var): Even on LHS warn for
2610         operand of INDIRECT_REF.
2611
2612 2009-08-03  Uros Bizjak  <ubizjak@gmail.com>
2613
2614         * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject CONST
2615         constants referencing TLS symbols.
2616
2617 2009-08-03  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
2618
2619         * config/sh/linux-atomic.asm (ATOMIC_COMPARE_AND_SWAP): Rename
2620         __sync_compare_and_swap_* to __sync_val_compare_and_swap_*.
2621
2622 2009-08-03  Richard Guenther  <rguenther@suse.de>
2623
2624         * tree.c (make_vector_type): Build a main variant first,
2625         get the canonical one and then build the variant.
2626         * tree-ssa.c (useless_type_conversion_p_1): Handle
2627         fixed-point types.
2628         (useless_type_conversion_p): Conversions to pointers to
2629         incomplete record types are useless.
2630
2631 2009-08-03  Richard Guenther  <rguenther@suse.de>
2632
2633         * tree-cfg.c (pass_warn_unused_result): Mark name that no dump
2634         file will be created.
2635         * omp-low.c (pass_diagnose_omp_blocks): Likewise.
2636         * toplev.c (compile_file): Adjust comment.
2637
2638 2009-08-03  Kaz Kojima  <kkojima@gcc.gnu.org>
2639
2640         * config/sh/sh-protos.h (sh_promote_function_mode): Remove.
2641         * config/sh/sh.c (sh_promote_function_mode): Wrap long lines.
2642         (TARGET_PROMOTE_FUNCTION_MODE): Define.
2643         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
2644         (sh_promote_function_mode): Fix typo.
2645
2646 2009-08-03  Andreas Krebbel  <krebbel1@de.ibm.com>
2647
2648         * explow.c (promote_mode): Mark TYPE and PUNSIGNEDP as possibly unused.
2649
2650 2009-08-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2651
2652         * pa.c (pa_promote_function_mode): Remove ATTRIBUTE_UNUSED from
2653         declaration arguments.
2654
2655 2009-08-02  Uros Bizjak  <ubizjak@gmail.com>
2656
2657         * config/i386/i386.c (ix86_expand_fp_compare): Use const0_rtx instead
2658         of GEN_INT (0x00) and const1_rtx instead of GEN_INT (0x01).
2659         (ix86_split_ashl): Ditto.
2660         (ix86_expand_vector_init_one_nonzero): Ditto.
2661         (ix86_expand_vector_set): Ditto.
2662         (ix86_expand_reduc_v4sf): Ditto.
2663
2664 2009-08-02  Paolo Bonzini  <bonzini@gnu.org>
2665
2666         * explow.c (promote_function_mode): Remove assert.
2667         * config/sh/sh.c (sh_promote_function_mode): Declare.
2668
2669 2009-08-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2670
2671         * config/pa/pa.c (pa_promote_function_mode): Declare.
2672         Change to static.  Fix promote_mode call.
2673
2674         * gthr-dce.h (CONST_CAST2): Define if not defined.
2675         (__gthread_setspecific): Use CONST_CAST2 to fix warning.
2676
2677         * config.gcc (hppa[12]*-*-hpux10*): Add stdint support.
2678
2679 2009-08-01  Paolo Bonzini  <bonzini@gnu.org>
2680
2681         * expr.c (store_constructor): Use promote_decl_mode.  Remove
2682         now write-only variable unsignedp.
2683         (expand_expr_real_1): Use promote_decl_mode.
2684         * expr.h (promote_function_mode, promote_decl_mode): New.
2685         (promote_mode): Remove last argument.
2686         * function.c (assign_temp): Drop last argument of promote_mode.
2687         (assign_parm_find_data_types): Use promote_function_mode.
2688         (assign_parm_setup_reg): Likewise.
2689         (expand_function_end): Use promote_function_mode.
2690         * calls.c (initialize_argument_information): Use promote_function_mode.
2691         (precompute_arguments): Use promote_mode instead of checking if
2692         only PROMOTE_FUNCTION_MODE is defined.
2693         (expand_call): When making sibcall decisions, use promote_function_mode.
2694         Below, remove an if for targetm.calls.promote_function_return and
2695         and use promote_function_mode.
2696         (emit_library_call_value_1): Use promote_function_mode, fix bug
2697         where promote_mode was passed FOR_CALL == 0 for a return value in an
2698         assertion.
2699         * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
2700         * explow.c (promote_function_mode, promote_decl_mode): New.
2701         (promote_mode): Keep only the FOR_CALL == 0 case.
2702         * combine.c (setup_incoming_promotion): Remove test of
2703         promote_function_args.  Use promote_function_mode.
2704         * stmt.c (expand_value_return): Use promote_decl_mode.
2705         (expand_decl): Use promote_decl_mode.
2706
2707         * expr.c (store_constructor): Use promote_decl_mode.  Remove
2708         now write-only variable unsignedp.
2709         (expand_expr_real_1): Use promote_decl_mode.
2710         * expr.h (promote_function_mode, promote_decl_mode): New.
2711         (promote_mode): Remove last argument.
2712         * function.c (assign_temp): Drop last argument of promote_mode.
2713         (assign_parm_find_data_types): Use promote_function_mode.
2714         (assign_parm_setup_reg): Likewise.
2715         (expand_function_end): Use promote_function_mode.
2716         * calls.c (initialize_argument_information): Use promote_function_mode.
2717         (precompute_arguments): Use promote_mode instead of checking if
2718         only PROMOTE_FUNCTION_MODE is defined.
2719         (expand_call): When making sibcall decisions, use promote_function_mode.
2720         Below, remove an if for targetm.calls.promote_function_return and
2721         and use promote_function_mode.
2722         (emit_library_call_value_1): Use promote_function_mode, fix bug
2723         where promote_mode was passed FOR_CALL == 0 for a return value in an
2724         assertion.
2725         * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
2726         * explow.c (promote_function_mode, promote_decl_mode): New.
2727         (promote_mode): Keep only the FOR_CALL == 0 case.
2728         * combine.c (setup_incoming_promotion): Remove test of
2729         promote_function_args.  Use promote_function_mode.
2730         * stmt.c (expand_value_return): Use promote_decl_mode.
2731         (expand_decl): Use promote_decl_mode.
2732
2733         * explow.c (promote_function_mode): Just call the target hook.
2734         * targhooks.c (default_promote_function_mode,
2735         default_promote_function_mode_always_promote): New.
2736         * targhooks.h (default_promote_function_mode,
2737         default_promote_function_mode_always_promote): Declare.
2738         * target.h (promote_function_args, promote_function_return): Remove.
2739         (promote_function_mode): New.
2740         * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS,
2741         TARGET_PROMOTE_FUNCTION_RETURN): Remove.
2742         (TARGET_PROMOTE_FUNCTION_MODE): New.
2743         (TARGET_CALLS): Adjust.
2744         * system.h (TARGET_PROMOTE_FUNCTION_ARGS,
2745         TARGET_PROMOTE_FUNCTION_RETURN, PROMOTE_FUNCTION_MODE): Poison.
2746
2747         * config/s390/s390.h (PROMOTE_FUNCTION_MODE): Move...
2748         * config/s390/s390.c (s390_promote_function_mode): ... here,
2749         with pointer handling.
2750         (TARGET_PROMOTE_FUNCTION_MODE): Define.
2751         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
2752
2753         * config/sparc/sparc.h (PROMOTE_FUNCTION_MODE): Move...
2754         * config/sparc/sparc.c (sparc_promote_function_mode): ... here,
2755         with pointer handling.
2756         (TARGET_PROMOTE_FUNCTION_MODE): Define.
2757         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
2758
2759         * config/sh/sh-protos.h (sh_promote_function_mode): New.
2760         * config/sh/sh.c (sh_promote_function_mode): New.
2761         (TARGET_PROMOTE_FUNCTION_MODE): Define.
2762         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
2763
2764         * config/cris/cris.h (PROMOTE_FUNCTION_MODE): Move...
2765         * config/cris/cris.c (cris_promote_function_mode): ... here.
2766         (TARGET_PROMOTE_FUNCTION_MODE): Define.
2767         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
2768
2769         * config/mmix/mmix.h (PROMOTE_FUNCTION_MODE): Move...
2770         * config/mmix/mmix.c (mmix_promote_function_mode): ... here.
2771         (TARGET_PROMOTE_FUNCTION_MODE): Define.
2772         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
2773
2774         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Move...
2775         * config/arm/arm.c (arm_promote_function_mode): ... here, without
2776         complex type handling.
2777         (TARGET_PROMOTE_FUNCTION_MODE): Define.
2778         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
2779
2780         * config/pa/pa.c (pa_promote_function_mode): New.
2781         (TARGET_PROMOTE_FUNCTION_MODE): Define.
2782         (TARGET_PROMOTE_FUNCTION_RETURN): Remove.
2783
2784         * config/alpha/alpha.c (TARGET_PROMOTE_FUNCTION_ARGS,
2785         TARGET_PROMOTE_FUNCTION_RETURN): Remove.
2786         (TARGET_PROMOTE_FUNCTION_MODE): Define equivalently.
2787         * config/xtensa/xtensa.c: Likewise.
2788         * config/stormy16/stormy16.c: Likewise.
2789         * config/iq2000/iq2000.c: Likewise.
2790         * config/rs6000/rs6000.c: Likewise.
2791         * config/picochip/picochip.c: Likewise.
2792         * config/arc/arc.c: Likewise.
2793         * config/mcore/mcore.c: Likewise.
2794         * config/score/score.c: Likewise.
2795         * config/mips/mips.c: Likewise.
2796         * config/bfin/bfin.c: Likewise.
2797         * config/ia64/ia64.c: Likewise (disabled though).
2798
2799         * config/frv/frv.h: Remove pointless remark.
2800
2801         * doc/tm.texi (PROMOTE_FUNCTION_MODE,
2802         TARGET_PROMOTE_FUNCTION_ARGS,
2803         TARGET_PROMOTE_FUNCTION_RETURN): Consolidate into...
2804         (TARGET_PROMOTE_FUNCTION_MODE): ... this.
2805
2806 2009-08-01  Sebastian Pop  <sebastian.pop@amd.com>
2807
2808         * doc/invoke.texi (-fgraphite-force-parallel): Renamed
2809         -floop-parallelize-all.
2810         * toplev.c (process_options): Rename flag_graphite_force_parallel to
2811         flag_loop_parallelize_all.
2812         * tree-ssa-loop.c (gate_graphite_transforms): Same.
2813         * graphite.c (graphite_transform_loops): Same.
2814         * common.opt: Same.
2815         * graphite-poly.c (apply_poly_transforms): Same.
2816
2817 2009-07-31  Richard Earnshaw  <rearnsha@arm.com>
2818
2819         PR tree-optimization/40914
2820         * ipa-prop.c (ipa_get_ptr_load_param): New argument use_delta,
2821         if set, then check the delta field of the PMF record.
2822         (ipa_get_stmt_member_ptr_load_param): Propagate new param use_delta.
2823         (ipa_analyze_call_uses): Handle machines where the vbit for a PMF
2824         call is stored in the delta.
2825
2826 2009-07-31  Adam Nemet  <anemet@caviumnetworks.com>
2827
2828         * config/mips/mips.md (*clear_upper32_dext): New pattern.
2829
2830 2009-07-31  Uros Bizjak  <ubizjak@gmail.com>
2831
2832         * config/i386/bsd.h (ASM_BYTE): New define.
2833         * config/i386/darwin.h (ASM_BYTE): Rename from ASM_BYTE_OP.
2834         * config/i386/att.h (ASM_BYTE): New define. Use ASM_BYTE instead of
2835         .byte.  Use fputs or putc instead of fprintf where appropriate.
2836         * config/i386/i386-interix.h: Use ASM_BYTE instead of .byte.  Use
2837         fputs or putc instead of fprintf where appropriate.
2838         * config/i386/i386elf.h: Ditto.
2839         * config/i386/sysv4.h: Ditto.
2840
2841         * config/i386/i386.c (TARGET_ASM_BYTE_OP): New define.
2842         * config/i386/i386.md (x86_sahf_1): Use ASM_BYTE instead of .byte.
2843         (*tls_global_dynamic_64): Ditto.
2844
2845 2009-07-31  Christian Bruel  <christian.bruel@st.com>
2846
2847         * gcc/config.gcc (sh*-*-elf): test with_libgloss.
2848
2849 2009-07-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2850
2851         * config/arm/arm.c (arm_arm_address_cost): Fix typo.
2852         Remove dead code for MINUS.
2853
2854 2009-07-31  Anthony Green  <green@moxielogic.com>
2855
2856         * config/moxie/moxie.c (moxie_expand_prologue): Use $r5 instead of
2857         $r12 in prologue.
2858         (moxie_expand_epilogue): Ditto for epilogue.
2859         (moxie_setup_incoming_varargs): ABI change.  Use 5 registers for
2860         incoming arguments.
2861         (moxie_function_arg): Ditto.
2862         (moxie_pass_by_reference): Ditto.
2863         (moxie_arg_partial_bytes): Ditto.
2864         * config/moxie/moxie.h (CALL_USED_REGISTERS): Ditto.
2865         (FUNCTION_ARG_ADVANCE) Ditto.
2866         (REG_PARM_STACK_SPACE) Ditto.
2867         (FUNCTION_ARG_REGNO_P) Dito.
2868
2869         * config.gcc: Add moxie linux config support.
2870         * gcc/config/moxie/uclinux.h: New file.
2871
2872 2009-07-31  DJ Delorie  <dj@redhat.com>
2873
2874         * config/sh/sh.md (UNSPECV_SP_SWITCH_B): New.
2875         (UNSPECV_SP_SWITCH_E): New.
2876         (sp_switch_1): Change to an unspec.
2877         (sp_switch_2): Change to an unspec.  Don't use post-inc when we
2878         replace $r15.
2879         * config/sh/sh.c (sh_expand_prologue): Use the constant pool to
2880         reference the new stack's address
2881
2882 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2883
2884         * Makefile.in (OBJS-common): Added dependence on graphite-blocking.o,
2885         graphite-clast-to-gimple.o, graphite-dependences.o,
2886         graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
2887         graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o.
2888         (graphite-blocking.o,
2889         graphite-clast-to-gimple.o, graphite-dependences.o,
2890         graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
2891         graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o): New.
2892         * cfgloop.c (alloc_loop): Set loop->can_be_parallel to false.
2893         * cfgloop.h (struct loop): Add can_be_parallel field.
2894         * common.opt (fgraphite-identity): Moved up.
2895         (fgraphite-force-parallel): New flag.
2896         * graphite.c: Rewrite.
2897         * graphite.h: Rewrite.
2898         * passes.c (init_optimization_passes): Schedule a pass of DCE and LIM
2899         after Graphite.
2900         * toplev.c (graphite_out_file): New file descriptor.
2901         (graphite_in_file): New.
2902         (process_options): flag_graphite_force_parallel cannot be used without
2903         Graphite.
2904         * tree-ssa-loop.c: Include toplev.h.
2905         (gate_graphite_transforms): Enable flag_graphite for
2906         flag_graphite_force_parallel.
2907
2908 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2909
2910         * ChangeLog.graphite: New.
2911         * graphite-blocking.c: New.
2912         * graphite-clast-to-gimple.c: New.
2913         * graphite-clast-to-gimple.h: New.
2914         * graphite-dependences.c: New.
2915         * graphite-dependences.h: New.
2916         * graphite-interchange.c: New.
2917         * graphite-poly.c: New.
2918         * graphite-poly.h: New.
2919         * graphite-ppl.c: New.
2920         * graphite-ppl.h: New.
2921         * graphite-scop-detection.c: New.
2922         * graphite-scop-detection.h: New.
2923         * graphite-sese-to-poly.c: New.
2924         * graphite-sese-to-poly.h: New.
2925         * sese.c: New.
2926         * sese.h: New.
2927
2928 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2929
2930         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
2931         * tree-chrec.h (evolution_function_right_is_integer_cst): Declared.
2932
2933 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2934
2935         * tree-chrec.c (operator_is_linear): Handle BIT_NOT_EXPR.
2936         (scev_is_linear_expression): Return false if the evolution is not
2937         affine multivariate.
2938
2939 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2940
2941         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2942         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2943
2944 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2945
2946         * tree-data-ref.c (debug_data_references): New.
2947         (debug_data_reference): New.
2948         * tree-data-ref.h (debug_data_references): Declared.
2949         (debug_data_reference): Declared.
2950
2951 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2952
2953         * tree-data-ref.c (stmt_simple_memref_p: Removed.
2954         * tree-data-ref.h (scop_p): Removed.
2955         (struct data_reference): Remove field scop.
2956         (DR_SCOP): Removed.
2957         (stmt_simple_memref_p): Removed.
2958
2959 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2960
2961         * cfgloop.h (create_empty_loop_on_edge): Pass an extra argument.
2962         * cfgloopmanip.c (create_empty_loop_on_edge): Leave the loop_latch
2963         basic block empty.
2964
2965 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2966
2967         * doc/invoke.texi (-fgraphite-force-parallel): Documented.
2968
2969 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2970
2971         * doc/invoke.texi (-fgraphite-identity): Documented.
2972
2973 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2974
2975         * tree-scalar-evolution.c: Fix comment.
2976         (instantiate_scev_1): Return unknow from scev instantiation if the
2977         result is not above instantiate_below.
2978
2979 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
2980
2981         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
2982         static anymore.  Instantiate the symbols that may have been introduced
2983         by chrec_apply.
2984         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
2985         Declared.
2986
2987 2009-07-30  DJ Delorie  <dj@redhat.com>
2988
2989         * config/mep/mep.c (mep_asm_init_sections): Add section flags and
2990         .vliw directive to VLIW sections.
2991
2992 2009-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2993
2994         * Makefile.in (AUTOCONF, ACLOCAL, ACLOCAL_AMFLAGS, aclocal_deps):
2995         New variables.
2996         ($(srcdir)/configure, $(srcdir)/aclocal.m4): New rules.
2997         (AUTOHEADER): New variable.
2998         ($(srcdir)/cstamp-h.in): Use it.
2999
3000 2009-07-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
3001             Pat Haugen  <pthaugen@us.ibm.com>
3002             Revital Eres <ERES@il.ibm.com>
3003
3004         * config/rs6000/vector.md (VEC_F): Add VSX support.
3005         (VEC_A): Ditto.
3006         (VEC_N): Ditto.
3007         (mov<mode>): Ditto.
3008         (vector_load_<mode>): Ditto.
3009         (vector_store_<mode>): Ditto.
3010         (vector GPR move split): Ditto.
3011         (vec_reload_and_plus_<mptrsize>): Ditto.
3012         (vec_reload_and_reg_<mptrsize>): Ditto.
3013         (add<mode>3): Ditto.
3014         (sub<mode>3): Ditto.
3015         (mul<mode>3): Ditto.
3016         (neg<mode>2): Ditto.
3017         (abs<mode>2): Ditto.
3018         (smin<mode>3): Ditto.
3019         (smax<mode>3): Ditto.
3020         (vector_eq<mode>): Ditto.
3021         (vector_gt<mode>): Ditto.
3022         (vector_ge<mode>): Ditto.
3023         (vector_gtu<mode>): Ditto.
3024         (vector_select_<mode>_uns): Ditto.
3025         (vector_eq_<mode>_p): Ditto.
3026         (vector_gt_<mode>_p): Ditto.
3027         (vector_ge_<mode>_p): Ditto.
3028         (vector_gtu_<mode>_p): Ditto.
3029         (cr6_test_for_zero): Ditto.
3030         (cr6_test_for_zero_reverse): Ditto.
3031         (cr6_test_for_lt): Ditto.
3032         (cr6_test_for_lt_reverse): Ditto.
3033         (xor<mode>3): Ditto.
3034         (ior<mode>3): Ditto.
3035         (and<mode>3): Ditto.
3036         (one_cmpl<mode>2): Ditto.
3037         (nor<mode>2): Ditto.
3038         (andc<mode>2): Ditto.
3039         (float<VEC_int<mode>2): Ditto.
3040         (unsigned_float<VEC_int><mode>2): Ditto.
3041         (fix_trunc<mode><VEC_int>2): Ditto.
3042         (fixuns_trunc<mode><VEC_int>2): Ditto.
3043         (vec_init<mode>):
3044         (vec_set<mode>): Ditto.
3045         (vec_extract<mode>): Ditto.
3046         (vec_interleave_highv4sf): Ditto.
3047         (vec_interleave_lowv4sf): Ditto.
3048         (vec_realign_load_<mode>): Ditto.
3049         (vec_shl_<mode>): Ditto.
3050         (vec_shr_<mode>): Ditto.
3051         (div<mode>3): New patterns for VSX.
3052         (vec_interleave_highv2df): Ditto.
3053         (vec_interleave_lowv2df): Ditto.
3054         (vec_pack_trunc_v2df): Ditto.
3055         (vec_pack_sfix_trunc_v2df): Ditto.
3056         (vec_pack_ufix_trunc_v2df): Ditto.
3057         (vec_unpacks_hi_v4sf): Ditto.
3058         (vec_unpacks_lo_v4sf): Ditto.
3059         (vec_unpacks_float_hi_v4si): Ditto.
3060         (vec_unpacks_float_lo_v4si): Ditto.
3061         (vec_unpacku_float_hi_v4si): Ditto.
3062         (vec_unpacku_float_lo_v4si): Ditto.
3063         (movmisalign<mode>): Ditto.
3064         (vector_ceil<mode>2): New patterns for vectorizing math library.
3065         (vector_floor<mode>2): Ditto.
3066         (vector_btrunc<mode>2): Ditto.
3067         (vector_copysign<mode>3): Ditto.
3068
3069         * config/rs6000/predicates.md (easy_vector_constant_msb): New
3070         predicate for setting the high bit in each word, used for copysign.
3071
3072         * config/rs6000/ppc-asm.h (f19): Whitespace.
3073         (f32-f63): Define if VSX.
3074         (v0-v31): Define if Altivec.
3075         (vs0-vs63): Define if VSX.
3076
3077         * config/rs6000/t-rs6000 (MD_INCLUDES): Add power7.md and vsx.md.
3078
3079         * config/rs6000/power7.md: New file, provide tuning parameters for
3080         -mcpu=power7.
3081
3082         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): Add VSX support.
3083         (rs6000_cpu_cpp_builtins): Ditto.
3084         (altivec_overloaded_builtins): Ditto.
3085         (altivec_resolve_overloaded_builtin): Ditto.
3086
3087         * config/rs6000/rs6000.opt (-mno-vectorize-builtins): Add new
3088         debug switch to disable vectorizing simple math builtin
3089         functions.
3090
3091         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3092         Vectorize simple math builtin functions.
3093         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
3094         hook to vectorize math builtins.
3095         (rs6000_override_options): Enable -mvsx on -mcpu=power7.
3096         (rs6000_builtin_conversion): Add VSX/power7 support.
3097         (rs6000_builtin_vec_perm): Ditto.
3098         (vsplits_constant): Add support for loading up a vector constant
3099         with just the high bit set in each part.
3100         (rs6000_expand_vector_init): Add VSX/power7 support.
3101         (rs6000_expand_vector_set): Ditto.
3102         (rs6000_expand_vector_extract): Ditto.
3103         (rs6000_emit_move): Ditto.
3104         (bdesc_3arg): Ditto.
3105         (bdesc_2arg): Ditto.
3106         (bdesc_1arg): Ditto.
3107         (rs6000_expand_ternop_builtin): Ditto.
3108         (altivec_expand_builtin): Ditto.
3109         (rs6000_expand_unop_builtin): Ditto.
3110         (rs6000_init_builtins): Ditto.
3111         (altivec_init_builtins): Ditto.
3112         (builtin_function_type): Ditto.
3113         (rs6000_common_init_builtins): Ditto.
3114         (rs6000_handle_altivec_attribute); Ditto.
3115         (rs6000_mangle_type): Ditto.
3116         (rs6000_vector_mode_supported_p): Ditto.
3117         (rs6000_mode_dependent_address): Altivec addresses with AND -16
3118         are mode dependent.
3119
3120         * config/rs6000/vsx.md: New file for VSX support.
3121
3122         * config/rs6000/rs6000.h (EASY_VECTOR_MSB): New macro for
3123         identifing values with just the most significant bit set.
3124         (enum rs6000_builtins): Add builtins for VSX.  Add simple math
3125         vectorized builtins.
3126
3127         * config/rs6000/altivec.md (UNSPEC_VRFIP): Delete.
3128         (UNSPEC_VRFIM): Delete.
3129         (splitter for loading up vector with most significant bit): New
3130         splitter for vectorizing copysign.
3131         (altivec_vrfiz): Rename from altivec_fturncv4sf2.  Add support for
3132         vectorizing simple math functions.
3133         (altivec_vrfip): Add support for vectorizing simple math functions.
3134         (altivec_vrfim): Ditto.
3135         (altivec_copysign_v4sf3): New insn for Altivec copysign support.
3136
3137         * config/rs6000/rs6000.md (UNSPEC_BPERM): New constant.
3138         (power7.md, vsx.md): Include for power7 support.
3139         (copysigndf3): Use VSX instructions if -mvsx.
3140         (negdf2_fpr): Ditto.
3141         (absdf2_fpr): Ditto.
3142         (nabsdf2_fpr): Ditto.
3143         (adddf3_fpr): Ditto.
3144         (subdf3_fpr): Ditto.
3145         (muldf3_fpr): Ditto.
3146         (divdf3_fpr): Ditto.
3147         (fix_truncdfdi2_fpr): Ditto.
3148         (cmpdf_internal1): Ditto.
3149         (fred, fred_fpr): Convert into expander/insn to add VSX support.
3150         (btruncdf2, btruncdf2_fpr): Ditto.
3151         (ceildf2, ceildf2_fpr): Ditto.
3152         (floordf2, floordf2_fpr): Ditto.
3153         (floatdidf2, floatdidf2_fpr): Ditto.
3154         (fmadddf4_fpr): Name insn.  Use VSX instructions if -mvsx.
3155         (fmsubdf4_fpr): Ditto.
3156         (fnmadddf4_fpr_1): Ditto.
3157         (fnmadddf4_fpr_2): Ditto.
3158         (fnmsubdf4_fpr_1): Ditto.
3159         (fnmsubdf4_fpr_2): Ditto.
3160         (fixuns_truncdfdi2): Add expander for VSX support.
3161         (fix_truncdfdi2): Ditto.
3162         (fix_truncdfsi2): Ditto.
3163         (ftruncdf2): Ditto.
3164         (btruncsf2): Whitespace.
3165         (movdf_hardfloat32): Add support for VSX registers.
3166         (movdf_softfloat32): Ditto.
3167         (movdf_hardfloat64): Ditto.
3168         (movdf_hardfloat64_mfpgpr): Ditto.
3169         (movdf_softfloat64): Ditto.
3170         (movti splitters): Add check for vector registers supporting
3171         TImode in the future.
3172         (bpermd): Add power7 bpermd instruction.
3173
3174         * config/rs6000/altivec.h (vec_div): Define if VSX.
3175         (vec_mul): Ditto.
3176         (vec_msub): Ditto.
3177         (vec_nmadd): Ditto.
3178         (vec_nearbyint): Ditto.
3179         (vec_rint): Ditto.
3180         (vec_sqrt): Ditto.
3181         (all predicates): Use the generic builtin function, and not the V4SF
3182         specific function so that the predicates will work with VSX's V2DF.
3183         (vec_all_*): Ditto.
3184         (vec_any_*): Ditto.
3185
3186         * doc/extend.texi (PowerPC Altivec/VSX Built-in Functions):
3187         Document new VSX functions and types.
3188
3189         * doc/invoke.texi (PowerPc options): Document -mpopcntd, -mvsx
3190         switches.
3191
3192         * doc/md.texi (PowerPC constraints): Document "wd", "wf", "ws",
3193         "wa", and "j" constraints.  Modify "v" to talk about Altivec
3194         instead of just vector.
3195
3196 2009-07-30  Andrew MacLeod  <amacleod@redhat.com>
3197
3198         PR debug/26475
3199         * tree-into-ssa.c (insert_phi_nodes_for, rewrite_add_phi_arguments): Set
3200         location for phi arguments.
3201         (rewrite_update_phi_arguments): Find locations for reaching defs.
3202         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis):
3203         Add location to add_phi_arg calls.
3204         * tree-loop-districbution.c (update_phis_for_loop_copy): Add locations.
3205         * tree-ssa-loop-manip.c (create_iv, add_exit_phis_edge,
3206         split_loop_exit_edge, tree_transform_and_unroll_loop): Add locations.
3207         * tree-tailcall.c (add_successor_phi_arg, eliminate_tail_call,
3208         create_tailcall_accumulator, tree_optimize_tail_calls_1): Add locations.
3209         * tree.h (struct phi_arg_d): Add location_t to PHI arguments.
3210         * tree-phinodes.c (make_phi_node): Initialize location.
3211         (resize_phi_node): Initialize location to UNKNOWN_LOCATION.
3212         (add_phi_arg): Add location parameter.
3213         (remove_phi_arg_num): Move location when moving phi argument.
3214         * omp-low.c (expand_parallel_call, expand_omp_for_static_chunk): Set
3215         location.
3216         * tree-vect-loop-manip.c (slpeel_update_phis_for_duplicate_loop,
3217         slpeel_update_phi_nodes_for_guard1,
3218         slpeel_update_phi_nodes_for_guard2,
3219         slpeel_tree_duplicate_loop_to_edge_cfg, set_prologue_iterations,
3220         vect_loop_versioning): Set locations.
3221         * tree-parloops.c (create_phi_for_local_result,
3222         transform_to_exit_first_loop, create_parallel_loop): Add locations.
3223         * gimple-pretty-print.c (dump_gimple_phi): Dump lineno's if present.
3224         * tree-vect-loop.c (get_initial_def_for_induction,
3225         vect_create_epilog_for_reduction, vect_finalize_reduction): Add
3226         locations.
3227         * tree-flow-inline.h (gimple_phi_arg_location): New.  Return locus.
3228         (gimple_phi_arg_location_from_edge): New.  Return locus from an edge.
3229         (gimple_phi_arg_set_location): New.  Set locus.
3230         (gimple_phi_arg_has_location): New.  Check for locus.
3231         (redirect_edge_var_map_location): New.  Return locus from var_map.
3232         * tree-vect-data-refs.c (vect_setup_realignment): Set location.
3233         * tree-ssa-phiopt.c (conditional_replacement): Set locus when
3234         combining PHI arguments.
3235         (cond_store_replacement): Set location.
3236         * cfgexpand.c (gimple_assign_rhs_to_tree): Transfer locus if possible.
3237         * grpahite.c (add_loop_exit_phis, add_guard_exit_phis,
3238         scop_add_exit_phis_edge): Add locations.
3239         * tree-cfgcleanup.c (remove_forwarder_block,
3240         remove_forwarder_block_with_phi): Add locations.
3241         * tree-ssa-pre.c (insert_into_preds_of_block): Add locations.
3242         * tree-predcom.c (initialize_root_vars, initialize_root_vars_lm): Add
3243         locations.
3244         * tree-ssa-dce.c (forward_edge_to_pdom): Add locations.
3245         * tree-ssa.c (redirect_edge_var_map_add, ssa_redirect_edge,
3246         flush_pending_stmts): Add source location.
3247         * lambda-code.c (perfect_nestify): Maintain location stack with argument
3248         stack to preserve locations.
3249         * tree-vect-stmts.c (vectorizable_load): Add location.
3250         * tree-inline.c (copy_phis_for_bb): Copy locus.
3251         (setup_one_parameter): Add call locus to inlined parameter stmts.
3252         (initialize_inlined_parameters): Pass in call location as parameter
3253         assignment locus.
3254         (tree_function_versioning): Pass location to setup_one_parameter.
3255         * tree-ssa-phiprop.c (phiprop_insert_phi): Set locations.
3256         * tree-outof-ssa.c (struct _elim_graph): Add source_location vecs for
3257         copy and edge lists.
3258         (insert_partition_copy_on_edge, insert_value_copy_on_edge,
3259         insert_rtx_to_part_on_edge, insert_part_to_rtx_on_edge): Provide a
3260         locus parameter and override the stmt default if provided.
3261         (new_elim_graph, clear_elim_graph, delete_elim_graph,
3262         elim_graph_add_edge, elim_graph_remove_succ_edge,
3263         FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED, eliminate_build,
3264         elim_forward, elim_unvisited_predecessor, elim_backward, elim_create,
3265         eliminate_phi):  Add locus info in elimination graph for each edge and
3266         value copy.
3267         (insert_backedge_copies): Copy locus if present.
3268         * tree-flow.h (struct _edge_var_map): Add locus field.
3269         * tree-switch_conversions.c (fix_phi_nodes): Add locations.
3270         * tree-cfg.c (reinstall_phi_args, gimple_make_forwarder_block,
3271         add_phi_args_after_copy_edge, gimple_lv_adjust_loop_header_phi): Add
3272         locations.
3273         * ipa-struct-reorg.c (make_edge_and_fix_phis_of_dest): Add locations.
3274
3275 2009-07-30  Martin Jambor  <mjambor@suse.cz>
3276
3277         PR tree-optimization/40570
3278         * ipa-inline.c (cgraph_decide_inlining): Watch out for dead single
3279         use inlining loops.
3280
3281 2009-07-30  Razya Ladelsky <razya@il.ibm.com>
3282
3283         * ssa-loop-manip.c: Include langhooks.h.
3284         (rewrite_phi_with_iv): New.
3285         (rewrite_all_phi_nodes_with_iv): New.
3286         (canonicalize_loop_ivs): Move here from tree-parloops.c.
3287         Remove reduction_list argument. Use rewrite_all_phi_nodes_with_iv.
3288         * tree-parloops.c (loop_parallel_p): Move out all conditions
3289         except dependency check.
3290         (canonicalize_loop_ivs): Move to tree-ssa-loop-manip.c.
3291         (gen_parallel_loop): Call canonicalize_loop_ivs without
3292         reduction_list argument.
3293         (build_new_reduction): New.
3294         (gather_scalar_reductions): New.
3295         (try_get_loop_niter): New.
3296         (try_create_reduction_list): New.
3297         (parallleize_loops): Change the parallel conditions check.
3298         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
3299         * Makefile.in (tree-ssa-loop-manip.o): Add langhooks.h dependency.
3300
3301 2009-07-30  Dave Korn  <dave.korn.cygwin@gmail.com>
3302
3303         * opt-functions.awk (opt_args): Allow argument to be enclosed in
3304         curly braces.
3305         * doc/options.texi (Option properties):  Mention new quoting syntax.
3306
3307 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
3308
3309         * config/alpha/alpha.c (alpha_start_function):
3310         Handle VMS_DEBUG_MAIN_POINTER
3311         * config/alpha/vms.h (VMS_DEBUG_MAIN_POINTER): Define new macro.
3312         * doc/invoke.texi: Document -mdebug-main switch.
3313
3314 2009-07-29  Richard Henderson  <rth@redhat.com>
3315
3316         * cgraph.c (cgraph_set_call_stmt_including_clones): Tidy.
3317         (cgraph_create_edge_including_clones): Likewise.
3318         * tree-inline.c (copy_bb): Operate on the correct edges
3319         when updating the callgraph.
3320
3321 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
3322
3323         * config/alpha/vms-cc.c: Deleted.
3324         * config/alpha/vms-ld.c: Deleted.
3325         * config/alpha/t-vms64: Moved to config/vms
3326         * config/alpha/vms-crt0-64.c: Moved to config/vms
3327         * config/alpha/vms-crt0.c: Moved to config/vms
3328         * config/alpha/vms-psxcrt0-64.c: Moved to config/vms
3329         * config/alpha/vms-psxcrt0.c: Moved to config/vms
3330         * config/alpha/xm-vms.h: Moved to config/vms
3331         * config/alpha/x-vms: Moved to config/vms
3332         * config/alpha/t-vms (vcrt0.o, pcrt0.o): Move rules to new file
3333         config/vms/t-vms.
3334         * config/vms/t-vms: Moved here from config/alpha. Alpha specific
3335         parts removed. (STMP_FIXPROTO, STMP_FIXINC, LIMITS_H_TEST): Set.
3336         (version): Set.
3337         * config/vms/t-vms64: Moved here from config/alpha
3338         * config/vms/vms-crt0-64.c: Moved here from config/alpha.
3339         (argc,argv,envp): Enforce 32bit malloc'ing.
3340         * config/vms/vms-psxcrt0-64.c: Likewise.
3341         * config/vms/vms-crt0.c: Moved here from config/alpha.
3342         * config/vms/vms-psxcrt0.c: Likewise.
3343         * config/vms/vms-crtl-64.h: New file.
3344         * config/vms/vms-crtl.h: New file.
3345         * config/vms/vms.opt: New file.
3346         * config/vms/xm-vms64.h: New file.
3347         * config/vms/xm-vms.h: Moved here from config/alpha.
3348         (STANARD_EXEC_PREFIX, STANDARD_STARTFILE_PREFIX, STANDARD_INCLUDE_DIR):
3349         Set.
3350         * config/vms/x-vms: Moved here from config/alpha.
3351         (version, VMS_EXTRA_PARTS): Moved to t-vms.
3352         (vms-ld.o, vms-cc.o): Removed.
3353         (LN, LN_S, USE_COLLECT2, POD2MAN): Set.
3354
3355 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
3356
3357         * dwarf2out.c (add_name_and_src_coords_attributes): Push on the
3358         correct stack (obvious VMS fix).
3359
3360 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
3361
3362         * dwarf2out.c (output_file_names): Output VMS style file name, size,
3363         date, version info if VMS_DEBUGGING_INFO defined.
3364         * vmsdgbout.c (vms_file_stats_name): New functon. VMS style file name,
3365         size, date calculating code moved here.
3366
3367 2009-07-29  Paul Brook  <paul@codesourcery.com>
3368
3369         * config/arm/lib1funcs.asm (clear_cache): Use ARM_FUNC_START and
3370         do_push/do_pop.
3371
3372 2009-07-29  Uros Bizjak  <ubizjak@gmail.com>
3373
3374         PR target/40577
3375         * config/alpha/alpha.c (alpha_expand_unaligned_store): Convert src
3376         to DImode when generating insq_le insn.
3377
3378 2009-07-28  Douglas B Rupp  <rupp@gnat.com>
3379
3380         * dwarf2out.c (DWARF2_INDIRECT_STRING_SUPPORT_MISSING_ON_TARGET):
3381         New macro set for VMS_DEBUGGGING_INFO.
3382         (AT_string_form): Use it.
3383
3384 2009-07-28  DJ Delorie  <dj@redhat.com>
3385
3386         * config/mep/mep.c (vtext_section): New.
3387         (vftext_section): New.
3388         (ftext_section): New.
3389         (mep_select_section): Add support for functions.
3390         (mep_unique_section): Likewise.
3391         (mep_asm_init_sections): Likewise.
3392         (mep_encode_section_info): Remove it from here.
3393
3394         * config/mep/mep.h (USE_SELECT_SECTION_FOR_FUNCTIONS): Define.
3395
3396 2009-07-28  Paolo Bonzini  <bonzinI@gnu.org>
3397
3398         * tree.h (TREE_DEPRECATED): Document it is used for types too.
3399         (TYPE_VECTOR_OPAQUE): Use default_def_flag
3400
3401 2009-07-28  Douglas B Rupp  <rupp@gnat.com>
3402
3403         * dwarf2out.c (output_file_names): Test new macro
3404         DWARF2_DIR_SHOULD_END_WITH_SEPARATOR.
3405         (add_comp_dir_attribute): Likewise.
3406
3407 2009-07-28  Kai Tietz  <kai.tietz@onevision.com>
3408
3409         * config/i386/mingw-w64.h (LINK_SPEC): Add
3410         separating space between commands.
3411
3412 2009-07-28  Jan Hubicka  <jh@suse.cz>
3413
3414         PR tree-optimization/40759
3415         * tree-ssa-dce.c (mark_virtual_phi_result_for_renaming): Mark all uses
3416         for renaming.
3417
3418 2009-07-27  DJ Delorie  <dj@redhat.com>
3419
3420         * config/mep/mep.c (mep_expand_builtin_saveregs): Make sure 64-bit
3421         types are dword-aligned.
3422         (mep_expand_va_start): Likewise.
3423
3424 2009-07-27  Olivier Hainque  <hainque@adacore.com>
3425             Douglas B Rupp  <rupp@gnat.com>
3426
3427         * convert.c (convert_to_pointer): Don't assume the target
3428         pointer type is POINTER_SIZE long. Fetch its precision instead.
3429
3430 2009-07-27  Douglas B Rupp  <rupp@gnat.com>
3431
3432         * system.h (fopen): Undefine if macro.
3433
3434 2009-07-27  Jakub Jelinek  <jakub@redhat.com>
3435
3436         * dwarf2out.c (output_cfi_p): Removed.
3437         (output_cfis): New function.
3438         (output_fde): New function, split from output_call_frame_info.
3439         (output_call_frame_info): Use it.
3440         (dwarf2out_switch_text_section): Use output_cfis.
3441
3442 2009-07-24  Kai Tietz  <kai.tietz@onevision.com>
3443
3444         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Error build when
3445         TARGET_BI_ARCH is specified without enabling SJLJ.
3446         * config/i386/mingw32.h (MD_UNWIND_SUPPORT): Define MD_UNWIND_SUPPORT,
3447         if TARGET_64BIT and TARGET_BI_ARCH aren't defined.
3448
3449 2009-07-26  Mikael Pettersson <mikpe@it.uu.se>
3450
3451         * arm.md (negdi2): Use DImode if forcing a value into a register.
3452
3453 2009-07-26  Ira Rosen  <irar@il.ibm.com>
3454
3455         PR tree-optimization/40801
3456         * tree-vect-stmts.c (vectorizable_call): Get previous copy
3457         of vector operand from the previous copy of vector statement.
3458         Pass the correct definition type value to
3459         vect_get_vec_def_for_stmt_copy().
3460
3461 2009-07-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3462
3463         * collect2.c (scan_libraries): Use CONST_CAST2 to perform char ** to
3464         const char ** conversion.
3465
3466 2009-07-25 David Daney <ddaney@caviumnetworks.com>
3467
3468         * system.h (gcc_assert): Invoke __builtin_unreachable() instead of
3469         fancy_abort() if !ENABLE_ASSERT_CHECKING.
3470         (gcc_unreachable): Invoke __builtin_unreachable() if
3471         !ENABLE_ASSERT_CHECKING.
3472
3473 2009-07-25  David Daney  <ddaney@caviumnetworks.com>
3474
3475         PR rtl-optimization/40445
3476         * emit-rtl.c (next_nonnote_insn_bb): New function.
3477         * rtl.h (next_nonnote_insn_bb): Declare new function.
3478         * cfgcleanup.c (try_optimize_cfg): Don't remove an empty block
3479         with no successors that is the successor of the ENTRY_BLOCK.
3480         Continue from the top after removing an empty fallthrough block.
3481         * cfgrtl.c (get_last_bb_insn): Call next_nonnote_insn_bb instead
3482         of next_nonnote_insn.
3483
3484 2009-07-25  David Daney  <ddaney@caviumnetworks.com>
3485
3486         * cfgcleanup.c (old_insns_match_p): Handle the case of empty blocks.
3487
3488 2009-07-25  Martin Jambor  <mjambor@suse.cz>
3489
3490         * c-common.c (c_common_attribute_table): New element for noclone.
3491         (handle_noclone_attribute): New function. Forward-declare.
3492         * tree-inline.c (tree_versionable_function_p): Check for noclone
3493         attribute.
3494         * doc/extend.texi (Labels as Values): Document need for noclone.
3495         (Function Attributes): Document noclone attribute.
3496
3497 2009-07-25  Jakub Jelinek  <jakub@redhat.com>
3498
3499         PR rtl-optimization/34999
3500         * dwarf2out.c (struct dw_fde_struct): Add dw_fde_switch_cfi
3501         and dw_fde_switched_cold_to_hot fields.
3502         (output_cfi_p): New function.
3503         (output_call_frame_info): If fde->dw_fde_switched_sections,
3504         output 2 FDEs instead of one with corrupted header.
3505         (dwarf2out_do_cfi_startproc): New function.
3506         (dwarf2out_begin_prologue): Use it.  Initialize fde->dw_fde_switch_cfi
3507         and fde->dw_fde_switched_cold_to_hot.
3508         (dwarf2out_switch_text_section): Compute
3509         fde->dw_fde_switched_cold_to_hot.  Switch to new text section here.
3510         If dwarf2out_do_cfi_asm, emit .cfi_endproc before it and call
3511         dwarf2out_do_cfi_startproc plus emit again currently active CFI insns.
3512         Otherwise, compute fde->dw_fde_switch_cfi.
3513
3514 2009-07-24  Cary Coutant  <ccoutant@google.com>
3515
3516         * tree-cfg.c (assign_discriminator): Add explicit parentheses.
3517
3518 2009-07-24  Cary Coutant  <ccoutant@google.com>
3519
3520         * cfghooks.c (split_block): Copy discriminator to new block.
3521         * tree-cfg.c (assign_discriminator): Check location of last
3522         instruction in block as well as first.
3523
3524 2009-07-24  Uros Bizjak  <ubizjak@gmail.com>
3525
3526         * config/i386/linux.c: Use fputs or putc instead of fprintf
3527         where appropriate.
3528         * config/i386/gas.h: Ditto.
3529         * config/i386/x86-64.h: Ditto.
3530         * config/i386/att.h: Ditto.
3531
3532 2009-07-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3533
3534         * expmed.c (emit_store_flag): Use a recursive call to optimize the
3535         xor case.
3536
3537 2009-07-24  Martin Jambor  <mjambor@suse.cz>
3538
3539         * ipa-prop.h (struct ipa_node_params): New flag node_enqued.
3540         (ipa_push_func_to_list_1): Declare.
3541         (ipa_push_func_to_list): New function.
3542
3543         * ipa-prop.c (ipa_push_func_to_list_1): New function.
3544         (ipa_init_func_list): Call ipa_push_func_to_list_1.
3545         (ipa_push_func_to_list): Removed.
3546         (ipa_pop_func_from_list): Clear node_enqueued flag.
3547
3548 2009-07-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3549
3550         * config/s390/s390.c (override_options): Default
3551         max-unrolled-insns to 100 for z10 tuning.
3552
3553 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3554
3555         * Makefile.in (TREE_DATA_REF_H, tree-vrp.o, tree-cfg.o, tree-if-conv.o
3556         tree-ssa-loop.o, tree-ssa-loop-niter.o, tree-ssa-loop-ivcanon.o,
3557         tree-ssa-loop-prefetch.o, tree-predcom.o, tree-affine.o,
3558         tree-scalar-evolution.o, tree-data-ref.o, tree-vect-loop.o,
3559         tree-vect-data-refs.o, tree-loop-linear.o, tree-loop-distribution.o
3560         tree-parloops.o, tree-pretty-printer.o, fold-const.o, tree-ssa-dce.o,
3561         lambda-code.o, params.o): Cleanup use of SCEV_H and TREE_DATA_REF_H.
3562
3563 2009-07-24  Kai Tietz  <kai.tietz@onevision.com>
3564
3565         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR): Remove and
3566         use default set in mingw32.h header.
3567         * config/i386/mingw32.h (STANDARD_INCLUDE_DIR): Use for 32-bit and
3568         64-bit /mingw/include path.
3569         (STANDARD_STARTFILE_PREFIX_1): Use for 32-bit and 64-bit /mingw/lib
3570         path.
3571
3572 2009-07-23  Neil Vachharajani  <nvachhar@google.com>
3573
3574         PR rtl-optimization/40209
3575         * loop-iv.c (iv_analysis_loop_init): Call df_note_add_problem.
3576
3577 2009-07-23  Uros Bizjak  <ubizjak@gmail.com>
3578
3579         * config/i386/i386.c: Use ASM_LONG instead of .long.  Concatenate
3580         ASM_LONG, LPREFIX, MCOUNT_NAME and PROFILE_COUNT_REGISTER strings
3581         with the rest of string where appropriate.  Use fputs or putc
3582         instead of fprintf where appropriate.
3583
3584 2009-07-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
3585             Pat Haugen  <pthaugen@us.ibm.com>
3586             Revital Eres <ERES@il.ibm.com>
3587
3588         * config/rs6000/vector.md: New file.  Move most of the vector
3589         expander support here from altivec.md to allow for the VSX vector
3590         unit in the future.  Add support for secondary_reload patterns.
3591         Rewrite the patterns for vector comparison, and vector comparison
3592         predicate instructions so that the RTL expresses the desired
3593         behavior, instead of using unspec.
3594
3595         * config/rs6000/constraints.md ("f" constraint): Use
3596         rs6000_constraints to hold the precalculated register class.
3597         ("d" constraint): Ditto.
3598         ("wd" constraint): New constraint for VSX.
3599         ("wf" constraint): Ditto.
3600         ("ws" constraint): Ditto.
3601         ("wa" constraint): Ditto.
3602         ("wZ" constraint): Ditto.
3603         ("j" constraint): Ditto.
3604
3605         * config/rs6000/predicates.md (vsx_register_operand): New
3606         predicate for VSX.
3607         (vfloat_operand): New predicate for vector.md.
3608         (vint_operand): Ditto.
3609         (vlogical_operand): Ditto.
3610         (easy_fp_constant): If VSX, 0.0 is an easy constant.
3611         (easy_vector_constant): Add VSX support.
3612         (altivec_indexed_or_indirect_operand): New predicate for
3613         recognizing Altivec style memory references with AND -16.
3614
3615         * config/rs6000/rs6000.c (rs6000_vector_reload): New static global
3616         for vector secondary reload support.
3617         (rs6000_vector_reg_class): Delete, replacing it with
3618         rs6000_constraints.
3619         (rs6000_vsx_reg_class): Ditto.
3620         (rs6000_constraints): New array to hold the register classes of
3621         each of the register constraints that can vary at runtime.
3622         (builtin_mode_to_type): New static array for builtin function type
3623         creation.
3624         (builtin_hash_table): New static hash table for builtin function
3625         type creation.
3626         (TARGET_SECONDARY_RELOAD): Define target hook.
3627         (TARGET_IRA_COVER_CLASSES): Ditto.
3628         (rs6000_hard_regno_nregs_internal): If -mvsx, floating point
3629         registers are 128 bits if VSX memory reference instructions are used.
3630         (rs6000_hard_regno_mode_ok): For VSX, only check if the VSX memory
3631         unit is being used.
3632         (rs6000_debug_vector_unit): Move into rs6000_debug_reg_global.
3633         (rs6000_debug_reg_global): Move -mdebug=reg statements here.
3634         Print several of the scheduling related parameters.
3635         (rs6000_init_hard_regno_mode_ok): Switch to putting constraints in
3636         rs6000_constraints instead of rs6000_vector_reg_class.  Move
3637         -mdebug=reg code to rs6000_debug_reg_global.  Add support for
3638         -mvsx-align-128 debug switch.  Drop testing float_p if VSX or
3639         Altivec.  Add VSX support.  Setup for secondary reload support on
3640         Altivec/VSX registers.
3641         (rs6000_override_options): Make power7 set the scheduling groups
3642         like the power5.  Add support for new debug switches to override
3643         the scheduling defaults.  Temporarily disable -mcpu=power7 from
3644         setting -mvsx.  Add support for debug switches -malways-hint,
3645         -msched-groups, and -malign-branch-targets.
3646         (rs6000_buitlin_conversion): Add support for returning unsigned
3647         vector conversion functions to fix regressions due to stricter
3648         type checking.
3649         (rs6000_builtin_mul_widen_even): Ditto.
3650         (rs6000_builtin_mul_widen_odd): Ditto.
3651         (rs6000_builtin_vec_perm): Ditto.
3652         (rs6000_vec_const_move): On VSX, use xxlxor to clear register.
3653         (rs6000_expand_vector_init): Initial VSX support for using xxlxor
3654         to zero a register.
3655         (rs6000_emit_move): Fixup invalid const symbol_ref+reg that is
3656         generated upstream.
3657         (bdesc_3arg): Add builtins for unsigned types.  Add builtins for
3658         VSX types for bit operations.  Changes to accomidate vector.md.
3659         (bdesc_2arg): Ditto.
3660         (bdesc_1arg): Ditto.
3661         (struct builtin_description_predicates): Rewrite predicate
3662         handling so that RTL describes the operation, instead of passing
3663         the instruction to be used as a string argument.
3664         (bdesc_altivec_preds): Ditto.
3665         (altivec_expand_predicate_builtin): Ditto.
3666         (altivec_expand_builtin): Ditto.
3667         (rs6000_expand_ternop_builtin): Use a switch instead of an if
3668         statement for vsldoi support.
3669         (altivec_expand_ld_builtin): Change to use new names from vector.md.
3670         (altivec_expand_st_builtin): Ditto.
3671         (paired_expand_builtin): Whitespace changes.
3672         (rs6000_init_builtins): Add V2DF/V2DI types.  Initialize the
3673         builtin_mode_to_type table for secondary reload.  Call
3674         builtin_function_type to build random builtin functions.
3675         (altivec_init_builtins): Change to use builtin_function_type to
3676         create builtin function types dynamically as we need them.
3677         (builtin_hash_function): New support for hashing the tree types
3678         for builtin function as we need it, rather than trying to build
3679         all of the trees that we need.  Add initial preliminary VSX support.
3680         (builtin_function_type): Ditto.
3681         (builtin_function_eq): Ditto.
3682         (builtin_hash_struct): Ditto.
3683         (rs6000_init_builtins): Ditto.
3684         (rs6000_common_init_builtins): Ditto.
3685         (altivec_init_builtins): Ditto.
3686         (rs6000_common_init_builtins): Ditto.
3687         (enum reload_reg_type): New enum for simplifing reg classes.
3688         (rs6000_reload_register_type): Simplify register classes into GPR,
3689         Vector, and other registers.  Altivec and VSX addresses in reload.
3690         (rs6000_secondary_reload_inner): Ditto.
3691         (rs6000_ira_cover_classes): New target hook, that returns the
3692         appropriate cover classes, based on -mvsx being used or not.
3693         (rs6000_secondary_reload_class): Add VSX support.
3694         (get_vec_cmp_insn): Delete, rewrite vector conditionals.
3695         (get_vsel_insn): Ditto.
3696         (rs6000_emit_vector_compare): Rewrite vector conditional support
3697         so that where we can, we use RTL operators, instead of blindly use
3698         UNSPEC.
3699         (rs6000_emit_vector_select): Ditto.
3700         (rs6000_emit_vector_cond_expr): Ditto.
3701         (rs6000_emit_minmax): Directly generate min/max under altivec, vsx.
3702         (create_TOC_reference): Add -mdebug=addr support.
3703         (emit_frame_save): VSX loads/stores need register indexed addressing.
3704
3705         * config/rs6000/rs6000.md: Include vector.md.
3706
3707         * config/rs6000/t-rs6000 (MD_INCLUDES): Add vector.md.
3708
3709         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3710         support for V2DI, V2DF in logical, permute, select operations.
3711
3712         * config/rs6000/rs6000.opt (-mvsx-scalar-double): Add new debug
3713         switch for vsx/power7.
3714         (-mvsx-scalar-memory): Ditto.
3715         (-mvsx-align-128): Ditto.
3716         (-mallow-movmisalign): Ditto.
3717         (-mallow-df-permute): Ditto.
3718         (-msched-groups): Ditto.
3719         (-malways-hint): Ditto.
3720         (-malign-branch-targets): Ditto.
3721
3722         * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Delete, use target
3723         hook instead.
3724         (IRA_COVER_CLASSES_PRE_VSX): Cover classes if not -mvsx.
3725         (IRA_COVER_CLASSES_VSX): Cover classes if -mvsx.
3726         (rs6000_vector_reg_class): Delete.
3727         (rs6000_vsx_reg_class): Ditto.
3728         (enum rs6000_reg_class_enum): New enum for the constraints that
3729         vary based on target switches.
3730         (rs6000_constraints): New array to hold the register class for all
3731         of the register constraints that vary based on the switches used.
3732         (ALTIVEC_BUILTIN_*_UNS): Add unsigned builtin functions.
3733         (enum rs6000_builtins): Add unsigned varients for the builtin
3734         declarations returned by target hooks for expanding multiplies,
3735         select, and permute operations.  Add VSX builtins.
3736         (enum rs6000_builtin_type_index): Add entries for VSX.
3737         (V2DI_type_node): Ditto.
3738         (V2DF_type_node): Ditto.
3739         (unsigned_V2DI_type_node): Ditto.
3740         (bool_long_type_node): Ditto.
3741         (intDI_type_internal_node): Ditto.
3742         (uintDI_type_internal_node): Ditto.
3743         (double_type_internal_node): Ditto.
3744
3745         * config/rs6000/altivec.md (whole file): Move all expanders to
3746         vector.md from altivec.md.  Rename insn matching functions to be
3747         altivec_foo.
3748         (UNSPEC_VCMP*): Delete, rewrite vector comparisons.
3749         (altivec_vcmp*): Ditto.
3750         (UNSPEC_VPERM_UNS): New, add for unsigned types using vperm.
3751         (VM): New iterator for moves that includes the VSX types.
3752         (altivec_vperm_<mode>): Add VSX types.  Add unsigned types.
3753         (altivec_vperm_<mode>_uns): New, for unsigned types.
3754         (altivec_vsel_*): Rewrite vector comparisons and predicate builtins.
3755         (altivec_eq<mode>): Ditto.
3756         (altivec_gt<mode>): Ditto.
3757         (altivec_gtu<mode>): Ditto.
3758         (altivec_eqv4sf): Ditto.
3759         (altivec_gev4sf): Ditto.
3760         (altivec_gtv4sf): Ditto.
3761         (altivec_vcmpbfp_p): Ditto.
3762
3763 2009-07-23  Richard Earnshaw  <rearnsha@arm.com>
3764
3765         * arm.md (split for ior/xor with shift and zero-extend): Cast op3 to
3766         unsigned HWI.
3767
3768 2009-07-23  Uros Bizjak  <ubizjak@gmail.com>
3769
3770         PR target/40832
3771         * config/i386/i386.c (output_387_ffreep): Rewrite to use
3772         ASM_SHORT instead of .word.
3773         * config/i386/i386.md (*tls_global_dynamic_64): Use ASM_SHORT
3774         instead of .word in asm template.
3775
3776 2009-07-22  Vladimir Makarov  <vmakarov@redhat.com>
3777
3778         PR target/37488
3779         * ira-lives.c (bb_has_abnormal_call_pred): New function.
3780         (process_bb_node_lives): Use it.
3781
3782         * ira.c (setup_cover_and_important_classes): Don't setup
3783         ira_important_class_nums.  Add cover classes to the end of
3784         important classes.
3785         (cover_class_order, comp_reg_classes_func, reorder_important_classes):
3786         New.
3787         (find_reg_class_closure): Use reorder_important_classes.
3788
3789         * config/i386/i386.h (IRA_COVER_CLASSES): Remove.
3790
3791         * config/i386/i386.c (i386_ira_cover_classes): New function.
3792         (TARGET_IRA_COVER_CLASSES): Redefine.
3793
3794         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Add a comment about
3795         importance of order of cover classes in the array.
3796
3797 2009-07-22  Diego Novillo  <dnovillo@google.com>
3798
3799         * tree-pass.h (TDF_EH): Define.
3800         * gimple-pretty-print.c (dump_gimple_stmt): If FLAGS
3801         contains TDF_EH, print the EH region number holding GS.
3802         * tree-dump.c (dump_options): Add "eh".
3803         * doc/invoke.texi: Document it.
3804
3805 2009-07-22  Doug Kwan  <dougkwan@google.com>
3806
3807         * config/arm/arm.md (subdi3) Copy non-reg values to DImode registers.
3808
3809 2009-07-22  Michael Matz  <matz@suse.de>
3810
3811         PR tree-optimization/35229
3812         PR tree-optimization/39300
3813
3814         * tree-ssa-pre.c (includes): Include tree-scalar-evolution.h.
3815         (inhibit_phi_insertion): New function.
3816         (insert_into_preds_of_block): Call it for REFERENCEs.
3817         (init_pre): Initialize and finalize scalar evolutions.
3818         * Makefile.in (tree-ssa-pre.o): Depend on tree-scalar-evolution.h .
3819
3820 2009-07-22  Uros Bizjak  <ubizjak@gmail.com>
3821
3822         * config/i386/predicates.md (zero_extended_scalar_load_operand):
3823         Use CONST_VECTOR_NUNITS to determine number of elements.
3824
3825 2009-07-22  Andreas Krebbel  <krebbel1@de.ibm.com>
3826
3827         * config/s390/constraints.md (ZQ, ZR, ZS, ZT): New constraints.
3828         (U, W): Constraints are now deprecated and will be removed if we
3829         run out of letters.
3830         * config/s390/s390.md (U, W): Replaced with ZQZR, ZSZT throughout
3831         the file.
3832         ("prefetch"): Add the stcmh instruction for prefetching.
3833         * config/s390/s390.c (s390_symref_operand_p): Function moved. No
3834         changes.
3835         (s390_short_displacement): Return always true if compiling for
3836         machines not providing the long displacement facility.
3837         (s390_mem_constraint): Support the new constraint letter Z.
3838         (s390_check_qrst_address): New function.
3839
3840 2009-07-21  DJ Delorie  <dj@redhat.com>
3841
3842         * config/mep/mep.c (mep_legitimize_arg): Leave control registers
3843         alone too.
3844
3845 2009-07-21  Jason Merrill  <jason@redhat.com>
3846
3847         * c-common.c (max_tinst_depth): Increase default to 1024.
3848
3849 2009-07-21  Uros Bizjak  <ubizjak@gmail.com>
3850
3851         * config/i386/sse.md (vec_unpacku_float_hi_v4si): New expander.
3852         (vec_unpacku_float_lo_v4si): Ditto.
3853
3854 2009-07-21  Uros Bizjak  <ubizjak@gmail.com>
3855
3856         PR target/40811
3857         * config/i386/sse.md (sse2_cvtudq2ps): New expander.
3858         (enum ix86_builtins): Add IX86_BUILTIN_CVTUDQ2PS.
3859         (builtin_description): Add __builtin_ia32_cvtudq2ps.
3860         (ix86_vectorize_builtin_conversion): Handle IX86_BUILTIN_CVTUDQ2PS.
3861
3862 2009-07-21  Jakub Jelinek  <jakub@redhat.com>
3863
3864         PR tree-optimization/40813
3865         * tree-inline.c (copy_bb): Regimplify RHS after last stmt, not before
3866         it.
3867
3868 2009-07-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3869
3870         * config/sh/sh.c (sh_gimplify_va_arg_expr): Wrap the result
3871         with a NOP_EXPR if needed.
3872
3873 2009-07-21  Paul Brook <paul@codesourcery.com>
3874
3875         * tree-vectorizer.c (increase_alignment): Handle nested arrays.
3876         Terminate debug dump with newline.
3877
3878 2009-07-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3879
3880         * pa.c (compute_zdepwi_operands): Limit deposit length to 32 - lsb.
3881         Cast "1" to unsigned HOST_WIDE_INT.
3882         (compute_zdepdi_operands): Limit maximum length to 64 bits.  Limit
3883         deposit length to the maximum length - lsb.  Extend length if
3884         HOST_BITS_PER_WIDE_INT is 32.
3885
3886 2009-07-20  Olatunji Ruwase <tjruwase@google.com>
3887
3888         * cgraph.h (constant_pool_htab): New function.
3889         (constant_descriptor_tree): Move from varasm.c.
3890         * varasm.c (constant_pool_htab): New function.
3891         (constant_descriptor_tree): Move to cgraph.h.
3892
3893 2009-07-20  Olatunji Ruwase  <tjruwase@google.com>
3894
3895         * toplev.c: Invoke FINISH_UNIT callbacks before call to finalize().
3896
3897 2009-07-20  Shujing Zhao  <pearly.zhao@oracle.com>
3898
3899         * Makefile.in (TREE_INLINE_H, tree-inline.o, cgraph.o): Remove
3900         $(VARRAY_H).
3901
3902 2009-07-20  Xinliang David Li  <davidxl@google.com>
3903
3904         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add length check.
3905
3906 2009-07-20  Adam Nemet  <anemet@caviumnetworks.com>
3907
3908         * config/mips/mips.md (move_type): Add arith.
3909         (type): Handle arith.
3910         (zero_extendsidi2): Rename this into ...
3911         (*zero_extendsidi2): ... this.  Don't match if ISA_HAS_EXT_INS.
3912         (zero_extendsidi2): New expander.
3913         (*zero_extendsidi2_dext): New pattern.
3914
3915 2009-07-20  Nick Clifton  <nickc@redhat.com>
3916
3917         * config.gcc (mips64-*-*): Add definition of tm_defines in order
3918         to set MIPS_ABI_DEFAULT.
3919         * config/mips/vr.h (MIPS_ABI_DEFAULT): Remove definition.
3920
3921 2009-07-20  Jakub Jelinek  <jakub@redhat.com>
3922
3923         * tree-object-size.c (addr_object_size): Handle unions with
3924         array in it as last field of structs in __bos (, 1) as __bos (, 0).
3925
3926         PR tree-optimization/40792
3927         * tree.c (build_function_type_skip_args): Remove bogus assert.
3928
3929 2009-07-20  Jan Hubicka  <jh@suse.cz>
3930             Martin Jambor  <mjambor@suse.cz>
3931
3932         * cgraph.h (combined_args_to_skip): New field.
3933         * cgraph.c (cgraph_create_virtual_clone): Properly handle
3934         combined_args_to_skip and args_to_skip.
3935         * tree-inline.c (update_clone_info): New function.
3936         (tree_function_versioning): Call update_clone_info.
3937         * cgraphunit.c: (cgraph_materialize_clone): Dump materialized
3938         functions.
3939         (cgraph_materialize_all_clones): More extensive dumping, working
3940         with combined_args_to_skip rather than args_to_skip.
3941
3942 2009-07-20  Ira Rosen  <irar@il.ibm.com>
3943
3944         * tree-vectorizer.h (vectorizable_condition): Add parameters.
3945         * tree-vect-loop.c (vect_is_simple_reduction): Support COND_EXPR.
3946         (get_initial_def_for_reduction): Likewise.
3947         (vectorizable_reduction): Skip the check of first operand in case
3948         of COND_EXPR. Add check that it is outer loop vectorization if
3949         nested cycle was detected. Call vectorizable_condition() for
3950         COND_EXPR. If reduction epilogue cannot be created do not fail for
3951         nested cycles (if it is not double reduction). Assert that there
3952         is only one type in the loop in case of COND_EXPR. Call
3953         vectorizable_condition() to vectorize COND_EXPR.
3954         * tree-vect-stmts.c (vectorizable_condition): Update comment.
3955         Add parameters. Allow nested cycles if called from
3956         vectorizable_reduction(). Use reduction vector variable if provided.
3957         (vect_analyze_stmt): Call vectorizable_reduction() before
3958         vectorizable_condition().
3959         (vect_transform_stmt): Update call to vectorizable_condition().
3960
3961 2009-07-20  Christian Bruel  <christian.bruel@st.com>
3962
3963         * config/sh/sh.opt (-mfmovd): Resurrect and document.
3964         * doc/invoke.texi (-mfmovd): Likewise.
3965         * config/sh/sh.h (TARGET_FMOVD, MASK_FMOVD): Remove default setting.
3966
3967 2009-07-20  Jan Hubicka  <jh@suse.cz>
3968
3969         * tree-ssa-dce.c (remove_dead_phis): Only look for abnormal PHIs
3970         when handling SSA name.
3971
3972 2009-07-19  Jan Hubicka  <jh@suse.cz>
3973
3974         PR tree-optimization/40676
3975         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do renaming on all
3976         virtual PHIs in empty BBs.
3977
3978 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
3979
3980         * combine.c (make_compound_operation) <SUBREG>: If force_to_mode
3981         re-expanded the compound use gen_lowpart instead to convert to the
3982         desired mode.
3983
3984 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
3985
3986         * combine.c (try_widen_shift_mode): Add COUNT, OUTER_CODE and
3987         OUTER_CONST arguments.
3988         <LSHIFTRT>: Use them to allow widening if the bits shifted in from
3989         the new wider mode will be masked off.
3990         (simplify_shift_const_1): Adjust calls to try_widen_shift_mode.
3991
3992 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
3993
3994         * combine.c (try_widen_shift_mode) <LSHIFTRT>: Allow widening if the
3995         high-order bits are zero.
3996
3997 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
3998
3999         * combine.c (simplify_shift_const_1): Split code to determine
4000         shift_mode into ...
4001         (try_widen_shift_mode): ... here.  Allow widening for ASHIFTRT if the
4002         new bits shifted in are identical to the old sign bit.
4003
4004 2009-07-18  Richard Guenther  <rguenther@suse.de>
4005
4006         PR c/40787
4007         * gimplify.c (gimplify_call_expr): Reject code using results from
4008         functions returning void.
4009
4010 2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>
4011
4012         * doc/md.texi: Document the new PowerPC "es" constraint.
4013         Document that "m" can include automodified addresses on this target,
4014         and explain how %U must be used.  Extend the "Q" and "Z" documentation
4015         to suggest "es" as well as "m".
4016         * config/rs6000/constraints.md (es): New memory constraint.
4017         (Q, Z): Update strings to match new documentation.
4018
4019 2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>
4020
4021         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Allow any
4022         offset from virtual_stack_vars_rtx and arg_pointer_rtx.
4023         * config/rs6000/predicates.md (volatile_mem_operand): Use
4024         offsettable_nonstrict_memref_p.
4025         * config/rs6000/rs6000.md (*floatsidf2_internal): Remove split check.
4026         (*floatunssidf2_internal): Likewise.
4027         (*fix_truncdfsi2_internal): Likewise.
4028         (*fix_trunctfsi2_internal): Likewise.
4029
4030 2009-07-17  Anatoly Sokolov  <aesok@post.ru>
4031
4032         * config/avr/avr-devices.c (avr_mcu_t): Add atmega8u2, atmega16u2 and
4033         atmega32u2 devices.
4034         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4035
4036 2009-07-17  Richard Guenther  <rguenther@suse.de>
4037
4038         PR c/40401
4039         * tree-pass.h (pass_diagnose_omp_blocks): Declare.
4040         (pass_warn_unused_result): Likewise.
4041         (TODO_set_props): Remove.
4042         * omp-low.c (diagnose_omp_structured_block_errors): Change to
4043         run as a pass.
4044         (pass_diagnose_omp_blocks): Define.
4045         * c-decl.c (pop_file_scope): Do not finalize the CU here.
4046         (c_gimple_diagnostics_recursively): Remove.
4047         (finish_function): Do not call it.
4048         (c_write_global_declarations): Continue after errors.
4049         Finalize the CU here.
4050         * c-gimplify.c (c_genericize): Do not gimplify here.
4051         * c-common.c (c_warn_unused_result): Move ...
4052         * tree-cfg.c (do_warn_unused_result): ... here.
4053         (run_warn_unused_result): New function.
4054         (gate_warn_unused_result): New function.
4055         (pass_warn_unused_result): New pass.
4056         * c-common.h (c_warn_unused_result): Remove.
4057         * flags.h (flag_warn_unused_result): Declare.
4058         * c-opts.c (c_common_init_options): Enable flag_warn_unused_result.
4059         * opts.c (flag_warn_unused_result): Initialize to false.
4060         * toplev.c (compile_file): Add comment.
4061         * omp-low.c (create_omp_child_function): Do not register
4062         the function with the frontend.
4063         (diagnose_omp_structured_block_errors): Prepare to be
4064         called as optimization pass.
4065         (gate_diagnose_omp_blocks): New function.
4066         (pass_diagnose_omp_blocks): New pass.
4067         * cgraph.h (cgraph_optimize): Remove.
4068         (cgraph_analyze_function): Likewise.
4069         * cgraph.c (cgraph_add_new_function): Gimplify C++ thunks.
4070         * cgraphunit.c (cgraph_lower_function): Lower nested functions
4071         before their parents here.
4072         (cgraph_finalize_function): Not here.
4073         (cgraph_analyze_function): Gimplify functions here.
4074         (cgraph_finalize_compilation_unit): Continue after errors.
4075         Optimize the callgraph from here.
4076         (cgraph_optimize): Make static.
4077         * langhooks.c (write_global_declarations): Finalize the CU.
4078         * gimplify.c (gimplify_asm_expr): Do not emit ASMs with errors.
4079         (gimplify_function_tree): Assert we gimplify only once.
4080         Set PROP_gimple_any property.
4081         * tree-nested.c (gimplify_all_functions): New function.
4082         (lower_nested_functions): Gimplify all nested functions.
4083         * gimple.h (diagnose_omp_structured_block_errors): Remove.
4084         * passes.c (init_optimization_passes): Add pass_warn_unused_result
4085         and pass_diagnose_omp_blocks after gimplification.  Do not
4086         set TODO_set_props on all_lowering_passes.
4087         (execute_one_pass): Do not handle TODO_set_props.
4088         * Makefile.in (cgraphunit.o): Add $(TREE_DUMP_H) dependency.
4089         (gimplify.o): Add tree-pass.h dependency.
4090         * tree-inline.c (copy_statement_list): Properly copy STATEMENT_LIST.
4091         (copy_tree_body_r): Properly handle TARGET_EXPR like SAVE_EXPR.
4092         (unsave_r): Likewise.
4093         * c-omp.c (c_finish_omp_atomic): Set DECL_CONTEXT on the
4094         temporary variable.
4095
4096 2009-07-17  Sandra Loosemore  <sandra@codesourcery.com>
4097
4098         * doc/service.texi (Service): Restore previously removed link,
4099         which isn't broken after all.
4100
4101 2009-07-17  Richard Guenther  <rguenther@suse.de>
4102
4103         PR tree-optimization/40321
4104         * tree-ssa-pre.c (add_to_exp_gen): Also add names defined by
4105         PHI nodes to the maximal set.
4106         (make_values_for_phi): Add PHI arguments to the maximal set.
4107         (execute_pre): Dump PHI_GEN and the maximal set.
4108
4109 2009-07-17  Jakub Jelinek  <jakub@redhat.com>
4110
4111         PR c++/40780
4112         * gimplify.c (gimplify_conversion): Don't change non-conversions into
4113         VIEW_CONVERT_EXPR.
4114
4115 2009-07-16  Sandra Loosemore  <sandra@codesourcery.com>
4116
4117         * doc/extend.texi (Nested Functions): Replace broken link with
4118         textual reference.
4119         * doc/service.texi (Service): Remove broken link.
4120
4121 2009-07-16  H.J. Lu  <hongjiu.lu@intel.com>
4122
4123         PR bootstrap/40781
4124         * builtins.c (expand_builtin_memcmp): Use loc instead of
4125         EXPR_LOCATION (exp).
4126         (expand_builtin_strncmp): Likewise.
4127
4128 2009-07-17  Aldy Hernandez  <aldyh@redhat.com>
4129             Manuel López-Ibáñez  <manu@gcc.gnu.org>
4130
4131         PR 40435
4132         * tree-complex.c, tree-loop-distribution.c, tree.c, tree.h,
4133         builtins.c, fold-const.c, omp-low.c, cgraphunit.c, tree-ssa-ccp.c,
4134         tree-ssa-dom.c, gimple-low.c, expr.c, tree-ssa-ifcombine.c,
4135         c-decl.c, stor-layout.c, tree-if-conv.c, c-typeck.c, gimplify.c,
4136         calls.c, tree-sra.c, tree-mudflap.c, tree-ssa-copy.c,
4137         tree-ssa-forwprop.c, c-convert.c, c-omp.c, varasm.c,
4138         tree-inline.c, c-common.c, c-common.h, gimple.c,
4139         tree-switch-conversion.c, gimple.h, tree-cfg.c, c-parser.c,
4140         convert.c: Add location argument to fold_{unary,binary,ternary},
4141         fold_build[123], build_call_expr, build_size_arg,
4142         build_fold_addr_expr, build_call_array, non_lvalue, size_diffop,
4143         fold_build1_initializer, fold_build2_initializer,
4144         fold_build3_initializer, fold_build_call_array,
4145         fold_build_call_array_initializer, fold_single_bit_test,
4146         omit_one_operand, omit_two_operands, invert_truthvalue,
4147         fold_truth_not_expr, build_fold_indirect_ref, fold_indirect_ref,
4148         combine_comparisons, fold_builtin_*, fold_call_expr,
4149         build_range_check, maybe_fold_offset_to_address, round_up,
4150         round_down.
4151
4152 2009-07-16  Jason Merrill  <jason@redhat.com>
4153
4154         PR libstdc++/37907
4155         * c-common.c (c_common_reswords): Add __is_standard_layout
4156         and __is_trivial.
4157         * c-common.h (enum rid): Add RID_IS_STD_LAYOUT and RID_IS_TRIVIAL.
4158         * doc/implement-cxx.texi: New.
4159         * doc/gcc.texi: Include it.
4160
4161 2009-07-16  DJ Delorie  <dj@redhat.com>
4162
4163         * config/m32c/m32c.c (m32c_compare_redundant): Avoid removing
4164         compares that may be indirectly affected by previous instructions.
4165
4166 2009-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4167
4168         * builtins.c (do_mpc_arg2): New.
4169         (fold_builtin_2): Fold builtin cpow.
4170         * real.h (HAVE_mpc_pow): New.
4171
4172 2009-07-16  Bingfeng Mei  <bmei@broadcom.com>
4173
4174         * modulo-sched.c (sms_schedule): stage_count <= 1 as correct
4175         comparison to skip unprofitable schedule
4176
4177 2009-07-16  Simon Baldwin  <simonb@google.com>
4178
4179         * gcc.c (option_map): New flag -no-canonical-prefixes.
4180         * (display_help): Print help text for new flag.
4181         * (process_command): Move options translation and language specifics
4182         and handle new flag early.  Use it to set a function pointer to a
4183         prefix builder.  Replace make_relative_prefix calls with calls to
4184         the function pointed to.  Ignore new flag in regular options handling.
4185         * doc/invoke.texi (Overall Options): Documented -no-canonical-prefixes.
4186
4187 2009-07-15  DJ Delorie  <dj@redhat.com>
4188
4189         * config/mep/mep.md (sibcall_internal): Change register to avoid
4190         argument registers.
4191         (sibcall_value_internal): Likewise.
4192
4193 2009-07-15  Eric Botcazou  <ebotcazou@adacore.com>
4194
4195         PR rtl-optimization/40710
4196         * resource.c (mark_target_live_regs): Reset DF problem to LR.
4197
4198 2009-07-15  Adam Nemet  <anemet@caviumnetworks.com>
4199
4200         * config/mips/mips.md (*extenddi_truncate<mode>,
4201         *extendsi_truncate<mode>): Change type attribute to move_type
4202         with shift_shift.  Split out code handling exts from here ...
4203         (*extend<GPR:mode>_truncate<SHORT:mode>_exts): ... to this new
4204         pattern.
4205         (*extendhi_truncateqi): Change type attribute to move_type with
4206         shift_shift.  Split out code handling exts from here ...
4207         (*extendhi_truncateqi_exts): ... to this new pattern.
4208
4209 2009-07-15  Uros Bizjak  <ubizjak@gmail.com>
4210
4211         * config/i386/sse.md (copysign<mode>3): Use "and-not" SSE instruction
4212         instead of "and" with inverted sign bit mask value.  Use
4213         "nonimmediate_operand" for operand 1 and operand 2 predicate.
4214         Allocate registers only for operand 4 and operand 5.
4215
4216 2009-07-15  Jakub Jelinek  <jakub@redhat.com>
4217
4218         PR middle-end/40747
4219         * fold-const.c (fold_cond_expr_with_comparison): When folding
4220         < and <= to MIN, make sure the MIN uses the same type as the
4221         comparison's operands.
4222
4223 2009-07-15  Richard Earnshaw  <rearnsha@arm.com>
4224
4225         * arm.md (ior_xor): New code iterator.
4226         (split for ior/xor with shift and zero-extend): New split pattern.
4227         * arm/predicates.md (subreg_lowpart_operator): New special predicate.
4228
4229 2009-07-15  Richard Guenther  <rguenther@suse.de>
4230
4231         * tree-ssa-structalias.c (make_constraint_from_heapvar): Initialize
4232         offset member.
4233
4234 2009-07-15  Richard Guenther  <rguenther@suse.de>
4235
4236         PR middle-end/40753
4237         * alias.c (ao_ref_from_mem): Reject FUNCTION_DECL and LABEL_DECL bases.
4238
4239 2009-07-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
4240
4241         * config/m68k/linux-unwind.h (m68k_fallback_frame_state): Update to
4242         handle 2.6.30 kernel.
4243
4244 2009-07-15  DJ Delorie  <dj@redhat.com>
4245
4246         * config/mep/mep.md (sibcall_internal): Change register to allow
4247         for 24-bit addresses.
4248         (sibcall_value_internal): Likewise.
4249
4250 2009-07-14  Ghassan Shobaki  <ghassan.shobaki@amd.com>
4251
4252         * doc/invoke.texi: Added descriptions of the  scheduling heuristics
4253         that are enabled/disabled by the flags introduced by a previous patch.
4254
4255 2009-07-14  DJ Delorie  <dj@redhat.com>
4256
4257         * config/mep/mep.md (sibcall_internal): Include non-toggling
4258         non-jmp case.
4259         (sibcall_value_internal): Likewise.
4260
4261 2009-07-14  Taras Glek  <tglek@mozilla.com>
4262             Rafael Espindola  <espindola@google.com>
4263
4264         * doc/sourcebuild.texi: Document install-plugin target.
4265         * configure.ac: Added install-plugin target to language makefiles.
4266         * configure: Regenerate.
4267         * Makefile.in: (install-plugin): Install more headers,
4268         depend on lang.install-plugin.
4269
4270 2009-07-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4271
4272         * tree-vrp.c (vrp_evaluate_conditional): Mark strings for
4273         translation.
4274
4275 2009-07-14  DJ Delorie  <dj@redhat.com>
4276
4277         * config/mep/mep.c (mep_vliw_jmp_match): New function.
4278         * config/mep/mep-protos.h (mep_vliw_jmp_match): Prototype it.
4279         * config/mep/mep.md (sibcall_internal): Change test from
4280         mep_vliw_mode_match to mep_vliw_jmp_match.
4281         (sibcall_value_internal): Likewise.
4282
4283 2009-07-14  Uros Bizjak  <ubizjak@gmail.com>
4284
4285         * config/i386/sse.md (copysign<mode>3): New expander.
4286         * config/i386/i386-protos.h (ix86_build_signbit_mask): New prototype.
4287         * config/i386/i386.c (ix86_build_signbit_mask): Make public.
4288         Use ix86_build_const_vector.
4289         (enum ix86_builtins): Add IX86_BUILTIN_CPYSGNPS and
4290         IX86_BUILTIN_CPYSGNPD.
4291         (builtin_description): Add __builtin_ia32_copysignps and
4292         __builtin_ia32_copysignpd.
4293         (ix86_builtin_vectorized_function): Handle BUILT_IN_COPYSIGN
4294         and BUILT_IN_COPYSIGNF.
4295
4296 2009-07-13  Jason Merrill  <jason@redhat.com>
4297
4298         * builtins.c (can_trust_pointer_alignment): New fn.
4299         (get_pointer_alignment): Factor it out from here.
4300         * tree.h: Declare it.
4301
4302 2009-07-14  David Edelsohn  <edelsohn@gnu.org>
4303
4304         * config/rs6000/predicates.md (offsettable_mem_operand): Test
4305         RTX_AUTOINC class.
4306
4307 2009-07-14  Dodji Seketeli  <dodji@redhat.com>
4308
4309         PR debug/40705
4310         PR c++/403057
4311         * dwarf2.out.c (gen_type_die_with_usage): Added comment.
4312
4313 2009-07-14  Richard Guenther  <rguenther@suse.de>
4314             Andrey Belevantsev <abel@ispras.ru>
4315
4316         PR middle-end/40745
4317         * cfgexpand.c (partition_stack_vars): Do not bother to update
4318         alias information when not optimizing.
4319
4320 2009-07-14  Richard Guenther  <rguenther@suse.de>
4321             Andrey Belevantsev <abel@ispras.ru>
4322
4323         * tree-ssa-alias.h (refs_may_alias_p_1): Declare.
4324         (pt_solution_set): Likewise.
4325         * tree-ssa-alias.c (refs_may_alias_p_1): Export.
4326         * tree-ssa-structalias.c (pt_solution_set): New function.
4327         * final.c (rest_of_clean_state): Free SSA data structures.
4328         * print-rtl.c (print_decl_name): Remove.
4329         (print_mem_expr): Implement in terms of print_generic_expr.
4330         * alias.c (ao_ref_from_mem): New function.
4331         (rtx_refs_may_alias_p): Likewise.
4332         (true_dependence): Query alias-export info.
4333         (canon_true_dependence): Likewise.
4334         (write_dependence_p): Likewise.
4335         * tree-dfa.c (get_ref_base_and_extent): For void types leave
4336         size unknown.
4337         * emit-rtl.c (component_ref_for_mem_expr): Remove.
4338         (mem_expr_equal_p): Use operand_equal_p.
4339         (set_mem_attributes_minus_bitpos): Do not use
4340         component_ref_for_mem_expr.
4341         * cfgexpand.c (add_partitioned_vars_to_ptset): New function.
4342         (update_alias_info_with_stack_vars): Likewise.
4343         (partition_stack_vars): Call update_alias_info_with_stack_vars.
4344         * tree-ssa.c (delete_tree_ssa): Do not release SSA names
4345         explicitly nor clear stmt operands.
4346         Free the decl-to-pointer map.
4347         * tree-optimize.c (execute_free_datastructures): Do not free
4348         SSA data structures here.
4349         * tree-flow.h (struct gimple_df): Add decls_to_pointers member.
4350         * Makefile.in (emit-rtl.o): Add pointer-set.h dependency.
4351         (alias.o): Add tree-ssa-alias.h, pointer-set.h and $(TREE_FLOW_H)
4352         dependencies.
4353         (print-rtl.o): Add $(DIAGNOSTIC_H) dependency.
4354
4355 2009-07-13  DJ Delorie  <dj@redhat.com>
4356
4357         * config/mep/mep.h (CC1_SPEC): Tweak parameters to trigger
4358         unrolling at the right iteration count.
4359
4360         * config/mep/mep.c (mep_expand_prologue): Fix frame pointer
4361         calculations.
4362
4363 2009-07-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
4364
4365         * haifa-sched.c (rank_for_schedule): Introduced flags to
4366         enable/disable individual scheduling heuristics.
4367         * common.opt: Introduced flags to enable/disable individual
4368         heuristics in the scheduler.
4369         * doc/invoke.texi: Introduced flags to enable/disable individual
4370         heuristics in the scheduler.
4371
4372 2009-07-13  Kai Tietz  <kai.tietz@onevision.com>
4373
4374         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Remove file
4375         config/i386/mingw-tls.c.
4376         * config/i386/mingw-tls.c: Removed.
4377
4378 2009-07-13  Ira Rosen  <irar@il.ibm.com>
4379
4380         * tree-vect-loop.c (get_initial_def_for_reduction): Ensure that the
4381         checks access only relevant statements.
4382         (vectorizable_reduction): Likewise.
4383
4384 2009-07-12  Kai Tietz  <kai.tietz@onevision.com>
4385
4386         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define _X86_
4387         just for 32-bit case.
4388
4389 2009-07-12  Jan Hubicka  <jh@suse.cz>
4390
4391         PR tree-optimization/40585
4392         * except.c (expand_resx_expr): When there already is resume
4393         instruction, produce linked list.
4394         (build_post_landing_pads): Assert that resume is empty.
4395         (connect_post_landing_pads): Handle resume lists.
4396         (dump_eh_tree): Dump resume list.
4397
4398 2009-07-12  Ira Rosen  <irar@il.ibm.com>
4399
4400         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
4401         with additional argument.
4402         * tree-vectorizer.h (enum vect_def_type): Add
4403         vect_double_reduction_def.
4404         (vect_is_simple_reduction): Add argument.
4405         * tree-vect-loop.c (vect_determine_vectorization_factor): Fix
4406         indentation.
4407         (vect_analyze_scalar_cycles_1): Detect double reduction. Call
4408         vect_is_simple_reduction with additional argument.
4409         (vect_analyze_loop_operations): Handle exit phi nodes in case of
4410         double reduction.
4411         (reduction_code_for_scalar_code): Handle additional codes by
4412         returning ERROR_MARK for them. Fix comment and indentation.
4413         (vect_is_simple_reduction): Fix comment, add argument to specify
4414         double reduction. Detect double reduction.
4415         (get_initial_def_for_induction): Fix indentation.
4416         (get_initial_def_for_reduction): Fix comment and indentation.
4417         Handle double reduction. Create initial definitions that do not
4418         require adjustment if ADJUSTMENT_DEF is NULL. Handle additional cases.
4419         (vect_create_epilog_for_reduction): Fix comment, add argument to
4420         handle double reduction. Use PLUS_EXPR in case of MINUS_EXPR in
4421         epilogue result extraction. Create double reduction phi node and
4422         replace relevant uses.
4423         (vectorizable_reduction): Call vect_is_simple_reduction with
4424         additional argument. Fix indentation. Update epilogue code treatment
4425         according to the changes in reduction_code_for_scalar_code. Check
4426         for double reduction. Call vect_create_epilog_for_reduction with
4427         additional argument.
4428         * tree-vect-stmts.c (process_use): Handle double reduction, update
4429         documentation.
4430         (vect_mark_stmts_to_be_vectorized): Handle double reduction.
4431         (vect_get_vec_def_for_operand): Likewise.
4432
4433 2009-07-12  Danny Smith  <dansmister@gmail.com>
4434
4435         * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't
4436         dllexport if !TREE_PUBLIC.
4437         (i386_pe_maybe_record_exported_symbol): Assert TREE_PUBLIC.
4438
4439 2009-07-11  Anatoly Sokolov  <aesok@post.ru>
4440
4441         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Redefine.
4442         (avr_extra_arch_macro) Remove declatation.
4443         * config/avr/avr.c (avr_cpu_cpp_builtins): New function.
4444         (avr_extra_arch_macro) Declare as static.
4445         * config/avr/avr-protos.h (avr_cpu_cpp_builtins): Dclare.
4446
4447 2009-07-11  Jan Hubicka  <jh@suse.cz>
4448
4449         PR middle-end/48388
4450         * except.c (can_be_reached_by_runtime): Test for NULL aka bitmap.
4451
4452 2009-07-11  Jakub Jelinek  <jakub@redhat.com>
4453
4454         PR debug/40713
4455         * dwarf2out.c (dw_fde_struct): Add in_std_section and
4456         cold_in_std_section bits.
4457         (dwarf2out_begin_prologue): Initialize them.
4458         (dwarf2out_finish): Don't emit FDE range into .debug_ranges
4459         if already covered by text_section or cold_text_section range.
4460
4461         PR rtl-optimization/40667
4462         * defaults.h (MINIMUM_ALIGNMENT): Define if not defined.
4463         * doc/tm.texi (MINIMUM_ALIGNMENT): Document it.
4464         * config/i386/i386.h (MINIMUM_ALIGNMENT): Define.
4465         * config/i386/i386.c (ix86_minimum_alignment): New function.
4466         * config/i386/i386-protos.h (ix86_minimum_alignment): New prototype.
4467         * cfgexpand.c (expand_one_var): Use MINIMIM_ALIGNMENT.
4468         * emit-rtl.c (gen_reg_rtx): Likewise.
4469         * function.c (assign_parms): Likewise.  If nominal_type needs
4470         bigger alignment than FUNCTION_ARG_BOUNDARY, use its alignment
4471         rather than passed_type's alignment.
4472
4473         PR target/40668
4474         * function.c (assign_parm_setup_stack): Adjust
4475         MEM_OFFSET (data->stack_parm) if promoted_mode is different
4476         from nominal_mode on big endian.
4477
4478 2009-07-11  Paolo Bonzini  <bonzini@gnu.org>
4479
4480         * expmed.c (emit_store_flag_1): Fix choice of zero vs. sign extension.
4481
4482 2009-07-10  DJ Delorie  <dj@redhat.com>
4483
4484         * config/mep/mep.c (mep_can_inline_p): Correct logic, and simplify.
4485
4486 2009-07-10  Mark Mitchell  <mark@codesourcery.com>
4487
4488         * config/arm/thumb2.md (thumb2_cbz): Correct computation of length
4489         attribute.
4490         (thumb2_cbnz): Likewise.
4491
4492 2009-07-10  David Daney  <ddaney@caviumnetworks.com>
4493
4494         PR target/39079
4495         * config.gcc (supported_defaults): Add synci.
4496         (with_synci): Add validation.
4497         (all_defaults): Add synci.
4498         * config/mips/mips.md (clear_cache): Use TARGET_SYNCI instead of
4499         ISA_HAS_SYNCI.
4500         (synci): Same.
4501         * config/mips/mips.opt (msynci): New option.
4502         * config/mips/mips.c (mips_override_options): Warn on use of
4503         -msynci for targets that do now support it.
4504         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
4505         msynci.
4506         * gcc/doc/invoke.texi (-msynci): Document the new option.
4507         * doc/install.texi (--with-synci): Document the new option.
4508
4509 2009-07-10  Richard Guenther  <rguenther@suse.de>
4510
4511         PR tree-optimization/40496
4512         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Create
4513         the PHI result with a compatible type.
4514
4515 2009-07-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4516
4517         PR 25509
4518         PR 40614
4519         * c.opt (Wunused-result): New.
4520         * doc/invoke.texi: Document it.
4521         * c-common.c (c_warn_unused_result): Use it.
4522
4523 2009-07-09  DJ Delorie  <dj@redhat.com>
4524
4525         * targhooks.c (default_target_can_inline_p): Rename from
4526         default_target_option_can_inline_p.
4527         * targhooks.h (default_target_can_inline_p): Likewise.
4528         * target-def.h (TARGET_CAN_INLINE_P): Rename from
4529         TARGET_OPTION_CAN_INLINE_P.
4530         * config/i386/i386.c (TARGET_CAN_INLINE_P): Likewise.
4531         * config/mep/mep.c (TARGET_CAN_INLINE_P): Likewise.
4532         (mep_target_can_inline_p): Rename from
4533         mep_target_option_can_inline_p.
4534
4535         PR target/40626
4536         * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Add coprocessor
4537         registers used to pass vectors.
4538
4539         * config/mep/mep.c (mep_option_can_inline_p): Remove error call.
4540
4541 2009-07-09  Tom Tromey  <tromey@redhat.com>
4542
4543         * unwind-dw2-fde-darwin.c: Include dwarf2.h.
4544         * config/mmix/mmix.c: Include dwarf2.h.
4545         * config/rs6000/darwin-fallback.c: Include dwarf2.h.
4546         * config/xtensa/unwind-dw2-xtensa.c: Include dwarf2.h.
4547         * config/sh/sh.c: Include dwarf2.h.
4548         * config/i386/i386.c: Include dwarf2.h.
4549         * Makefile.in (DWARF2_H): Remove 'elf'.
4550         * except.c: Include dwarf2.h.
4551         * unwind-dw2.c: Include dwarf2.h.
4552         * dwarf2out.c: Include dwarf2.h.
4553         * unwind-dw2-fde-glibc.c: Include dwarf2.h.
4554         * unwind-dw2-fde.c: Include dwarf2.h.
4555         * dwarf2asm.c: Include dwarf2.h.
4556
4557 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
4558
4559         * haifa-sched.c (insn_finishes_cycle_p): New static function.
4560         (max_issue): Use it.
4561         * sched-int.h (struct sched_info: insn_finishes_block_p): New
4562         scheduler hook.
4563         * sched-rgn.c (rgn_insn_finishes_block_p): Implement it.
4564         (region_sched_info): Update.
4565         * sched-ebb.c (ebb_sched_info): Update.
4566         * modulo-sched.c (sms_sched_info): Update.
4567         * sel-sched-ir.c (sched_sel_haifa_sched_info): Update.
4568
4569 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
4570
4571         * varasm.c (build_constant_desc): Don't share RTL in pool entries.
4572
4573 2009-07-09  Basile Starynkevitch  <basile@starynkevitch.net>
4574
4575         * plugin.c (try_init_one_plugin): passes RTLD_GLOBAL to dlopen.
4576
4577 2009-07-09  Jakub Jelinek  <jakub@redhat.com>
4578
4579         PR middle-end/40692
4580         * fold-const.c (fold_cond_expr_with_comparison): Don't replace
4581         arg1 with arg01 if arg1 is already INTEGER_CST.
4582
4583 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
4584
4585         * simplify-rtx.c (simplify_binary_operation_1) <AND>:
4586         Transform (and (truncate)) into (truncate (and)).
4587
4588 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
4589
4590         * combine.c (make_extraction): Check TRULY_NOOP_TRUNCATION before
4591         creating LHS paradoxical subregs.  Fix surrounding returns to
4592         use NULL_RTX rather than 0.
4593
4594 2009-07-08  DJ Delorie  <dj@redhat.com>
4595
4596         * config/mep/mep.c: (mep_option_can_inline_p): New.
4597         (TARGET_OPTION_CAN_INLINE_P): Define.
4598
4599 2009-07-08  Mark Wielaard  <mjw@redhat.com>
4600
4601         PR debug/40659
4602         * dwarf2out.c (add_data_member_location_attribute): When we have
4603         only a constant offset don't emit a new location description using
4604         DW_OP_plus_uconst, but just add the constant with add_AT_int, when
4605         dwarf_version > 2.
4606
4607 2009-07-08  Richard Henderson  <rth@redhat.com>
4608
4609         PR target/38900
4610         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move to i386.c.
4611         (enum reg_class): Add CLOBBERED_REGS.
4612         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
4613         * config/i386/i386.c (ix86_conditional_register_usage): Moved
4614         from CONDITIONAL_REGISTER_USAGE; build CLOBBERED_REGS for 64-bit.
4615         (ix86_function_ok_for_sibcall): Tidy.  Disallow MS->SYSV sibcalls.
4616         (ix86_expand_call): Use sibcall_insn_operand when needed.  Don't
4617         force 64-bit sibcalls into R11.
4618         * config/i386/constraints.md (U): New constraint.
4619         * config/i386/i386.md (sibcall_1, sibcall_value_1): Use it.
4620         (sibcall_1_rex64, sibcall_value_1_rex64): Likewise.
4621         (sibcall_1_rex64_v, sibcall_value_1_rex64_v): Remove.
4622
4623 2009-07-08  Shujing Zhao  <pearly.zhao@oracle.com>
4624
4625         * basic-block.h (dump_regset, debug_regset): Remove duplicate
4626         prototypes.
4627         * c-objc-common.h (c_initialize_diagnostics): Ditto.
4628         * ebitmap.h (dump_ebitmap): Ditto.
4629         * optabs.h (optab_libfunc): Ditto.
4630         * tree.h (tree_expr_nonzero_warnv_p): Ditto.
4631         * tree-flow.h (vect_can_force_dr_alignment_p,
4632         get_vectype_for_scalar_type): Ditto.
4633         (vectorize_loops): Move prototype to ...
4634         * tree-vectorizer.h: ... here. Also, adjust comment.
4635         (vect_set_verbosity_level): Remove duplicate prototype.
4636         * tree-ssa-loop.c: Include tree-vectorizer.h.
4637         * Makefile.in (tree-ssa-loop.o): Depend on tree-vectorizer.h.
4638
4639 2009-07-08  Nick Clifton  <nickc@redhat.com>
4640
4641         * config/i386/unix.h (ASM_COMMENT_START): Add a space after the
4642         forward slash.
4643
4644 2009-07-08  DJ Delorie  <dj@redhat.com>
4645
4646         * config/mep/mep-ivc2.cpu (cpmovtocsar0_C3, cpmovtocsar1_C3,
4647         cpmovtocc_C3, cpmovtocsar0_P0S_P1, cpmovtocsar1_P0S_P1,
4648         cpmovtocc_P0S_P1): Mark volatile.  Note which registers are
4649         written to.
4650         * config/mep/intrinsics.md: Regenerated.
4651         * config/mep/mep.c (mep_interrupt_saved_reg): Save IVC2 control
4652         registers when asm() or calls are detected.
4653
4654 2009-07-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4655
4656         PR c++/31246
4657         * gimplify.c (gimplify_expr): Propagate no_warning flag when
4658         gimplifying.
4659         * gimple (gimple_build_call_from_tree): Likewise.
4660         * tree-cfg.c (remove_useless_stmts_warn_notreached): Check
4661         no_warning flag before warning.
4662
4663 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4664
4665         * tree.c (set_expr_locus): Remove.
4666         * tree.h (EXPR_LOCUS,SET_EXPR_LOCUS,set_expr_locus): Remove.
4667         * c-typeck.c (c_finish_stmt_expr):  Replace EXPR_LOCUS by
4668         EXPR_LOCATION.
4669         * gimplify.c (internal_get_tmp_var): Likewise.
4670         (gimplify_call_expr): Likewise.
4671         (gimplify_one_sizepos): Likewise.
4672
4673 2009-07-07  Eric Botcazou  <ebotcazou@adacore.com>
4674
4675         PR debug/40666
4676         * dbxout.c (dbxout_symbol) <PARM_DECL>: Deal with parameters pointing
4677         to variables for debugging purposes.
4678
4679 2009-06-23  Mark Loeser  <mark@halcy0n.com>
4680
4681         PR build/40010
4682         * Makefile.in (gcc.pod): Depend on gcc-vers.texi.
4683
4684 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4685
4686         * pretty-print.c (pp_base_format): Remove %J.
4687         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
4688         gcc_cxxdiag_char_table): Likewise.
4689         (init_dynamic_diag_info): Likewise.
4690
4691 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4692
4693         * pretty-print.c (pp_base_format): Remove %H.
4694         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
4695         gcc_cxxdiag_char_table): Likewise.
4696         (init_dynamic_diag_info): Likewise.
4697         * config/mep/mep.c (mep_select_section): Likewise.
4698
4699 2009-07-07  Duncan Sands  <baldrick@free.fr>
4700
4701         * final.c (pass_clean_state): Give the pass a name.
4702         * passes.c (pass_rest_of_compilation): Likewise.
4703         * tree-optimize.c (pass_all_optimizations): Likewise.
4704
4705 2009-07-07  H.J. Lu  <hongjiu.lu@intel.com>
4706
4707         * config/ia64/ia64.c (ia64_handle_model_attribute): Remove
4708         an extra 'decl' for error_at.
4709
4710 2009-07-07  Jakub Jelinek  <jakub@redhat.com>
4711
4712         PR middle-end/40669
4713         * tree-tailcall.c (adjust_return_value_with_ops,
4714         create_tailcall_accumulator): Set DECL_GIMPLE_REG_P on the temporary
4715         if it has complex or vector type.
4716
4717 2009-07-07  Olivier Hainque  <hainque@adacore.com>
4718
4719         * config/alpha/t-osf4 (SHLIB_LINK): Do not hide the dummy weak
4720         pthread symbols.
4721
4722 2009-07-07  Basile Starynkevitch  <basile@starynkevitch.net>
4723
4724         * Makefile.in: added more lists of includes to PLUGIN_HEADERS.
4725
4726 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4727
4728         * cgraphunit.c: Replace %J by an explicit location.  Update all calls.
4729         * c-decl.c: Likewise.
4730         * function.c: Likewise.
4731         * varasm.c: Likewise.
4732         * tree-ssa.c: Likewise.
4733         * c-common.c: Likewise.
4734         * tree-cfg.c: Likewise.
4735         * config/spu/spu.c: Likewise.
4736         * config/ia64/ia64.c: Likewise.
4737         * config/v850/v850.c: Likewise.
4738
4739 2009-07-06  DJ Delorie  <dj@redhat.com>
4740
4741         * config/mep/mep-core.cpu (fsft, ssarb): Mark as VOLATILE.
4742         * config/mep/mep-ivc2.cpu (many): Add VOLATILE to more insns that make
4743         unspecified accesses to control registers.
4744         * config/mep/intrinsics.md: Regenerate.
4745         * config/mep/intrinsics.h: Regenerate.
4746         * config/mep/mep-intrin.h: Regenerate.
4747
4748 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4749
4750         * c-lex.c: Replace %H by an explicit location. Update all calls.
4751         * c-common.c: Likewise.
4752         * c-decl.c: Likewise.
4753         * c-typeck.c: Likewise.
4754         * fold-const.c: Likewise.
4755         * gimplify.c: Likewise.
4756         * stmt.c: Likewise.
4757         * tree-cfg.c: Likewise.
4758         * tree-ssa-loop-niter.c: Likewise.
4759         * tree-vrp.c: Likewise.
4760         * value-prof.c: Likewise.
4761
4762 2009-07-06  Diego Novillo  <dnovillo@google.com>
4763
4764         * tree-dfa.c (dump_variable): Write DECL_INITIAL for VAR
4765         if it has one.  Handle cases where VAR does not have an
4766         annotation or cfun is NULL.
4767
4768 2009-07-06  Diego Novillo  <dnovillo@google.com>
4769
4770         * tree.c: Include debug.h.
4771         (initialize_tree_contains_struct): New.
4772         (init_ttree): Call it.
4773         (tree_node_structure_for_code): Factor out of ...
4774         (tree_node_structure): ... here.
4775         * treestruct.def (TS_PHI_NODE): Remove.
4776         (TS_GIMPLE_STATEMENT): Remove.
4777
4778 2009-07-06  Diego Novillo  <dnovillo@google.com>
4779
4780         * tree-pretty-print.c (dump_generic_node): Protect against NULL op0.
4781         (debug_tree_chain): Handle cycles.
4782
4783 2009-07-06  Nick Clifton  <nickc@redhat.com>
4784             DJ Delorie  <dj@redhat.com>
4785
4786         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
4787         __FMOVD_ENABLED__ is defined.
4788         * config/sh/sh.h
4789         (TARGET_FMOVD): Provide a default definition.
4790         (MASK_FMOVD): Likewise.
4791         (TARGET_CPU_CPP_BUILTINS): Define
4792         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
4793         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
4794         two fmov instructions depending upon whether TARGET_FMOVD is enabled.
4795         (split for DF load from memory into register): Also handle
4796         MEMs which consist of REG+DISP addressing.
4797         (split for DF store from register to memory): Likewise.
4798         (movsf_ie): Always use single fp_mode.
4799         * config/sh/sh.c (sh_override_options): Do not automatically
4800         enable TARGET_MOVD for the SH2A when supporting doubles - leave
4801         that to the -mfmovd command line switch.
4802         (broken_move): Do not restrict fldi test to only the SH4 and SH4A.
4803         (fldi_ok): Always allow.
4804         * config/sh/sh.opt (mfmovd): Remove this switch.
4805         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
4806
4807 2009-07-06  J"orn Rennecke  <joern.rennecke@arc.com>
4808             Kaz Kojima  <kkojima@gcc.gnu.org>
4809
4810         PR rtl-optimization/30807
4811         * postreload.c (reload_combine): For every new use of REG_SUM,
4812         record the use of BASE.
4813
4814 2009-07-06  Jan Hubicka  <jh@suse.cz>
4815
4816         * params.def: Revert my accidental commit at 2009-06-30.
4817
4818 2009-07-04  Ian Lance Taylor  <iant@google.com>
4819
4820         PR target/40636
4821         * config/i386/msformat-c.c (mingw_format_attributes): Declare as
4822         EXPORTED_CONST.
4823         (mingw_format_attribute_overrides): Likewise.
4824
4825 2009-07-04  Jakub Jelinek  <jakub@redhat.com>
4826
4827         PR debug/40596
4828         * dwarf2out.c (based_loc_descr): For crtl->stack_realign_tried
4829         don't check cfa.reg.  Instead of cfa.indirect use
4830         fde && fde->drap_reg != INVALID_REGNUM test.
4831
4832 2009-07-04  Eric Botcazou  <ebotcazou@adacore.com>
4833
4834         * postreload.c (reload_combine): Replace CONST_REG with INDEX_REG.
4835
4836 2009-07-03  Vladimir Makarov  <vmakarov@redhat.com>
4837
4838         PR target/40587
4839         * ira.c (build_insn_chain): Use DF_LR_OUT instead of df_get_live_out.
4840
4841 2009-07-03  Richard Guenther  <rguenther@suse.de>
4842
4843         PR tree-optimization/40640
4844         * tree-switch-conversion.c (build_arrays): Perform arithmetic
4845         in original type.
4846
4847 2009-07-03  Jan Hubicka  <jh@suse.cz>
4848
4849         * ipa-inline.c (cgraph_decide_inlining_incrementally): When optimizing
4850         for size, reduce amount of inlining.
4851
4852 2009-07-03  Richard Guenther  <rguenther@suse.de>
4853
4854         PR middle-end/34163
4855         * tree-chrec.c (chrec_convert_1): Fold (T2)(t +- x) to (T2)t +- (T2)x
4856         if t +- x is known to not overflow and the conversion widens the
4857         operation.
4858         * Makefile.in (tree-chrec.o): Add $(FLAGS_H) dependency.
4859
4860 2009-07-03  Jan Hubicka  <jh@suse.cz>
4861
4862         * ipa-pure-const.c (analyze): Update loop optimizer init.
4863         * tree-ssa-loop-iv-canon.c (empty_loop_p, remove_empty_loop,
4864         try_remove_empty_loop, remove_empty_loops): Remove.
4865         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): Remove.
4866         * tree-ssa-dce.c (find_obviously_necessary_stmts): Use finiteness info
4867         to mark regular loops as neccesary.
4868         (degenerate_phi_p): New function.
4869         (propagate_necessity, remove_dead_phis): Use it.
4870         (forward_edge_to_pdom): Likewise.
4871         (eliminate_unnecessary_stmts): Take care to remove uses of results of
4872         virtual PHI nodes that became unreachable.
4873         (perform_tree_ssa_dce): Initialize/deinitialize loop optimizer.
4874         * tree-flow.h (remove_empty_loops): Remove.
4875         * passes.c (init_optimization_passes): Remove.
4876
4877 2009-07-03  Uros Bizjak  <ubizjak@gmail.com>
4878
4879         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1): Use
4880         can_create_pseudo_p.
4881         (*fix_trunc<mode>_i387_1): Ditto.
4882         (*floathi<mode>2_1): Ditto.
4883         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): Ditto.
4884         (*fistdi2_1): Ditto.
4885         (*fist<mode>2_1): Ditto.
4886         (frndintxf2_floor): Ditto.
4887         (*fist<mode>2_floor_1): Ditto.
4888         (frndintxf2_ceil): Ditto.
4889         (*fist<mode>2_ceil_1): Ditto.
4890         (frndintxf2_trunc): Ditto.
4891         (frndintxf2_mask_pm): Ditto.
4892         (fxam<mode>2_i387_with_temp): Ditto.
4893         * config/i386/sse.md (mulv16qi3): Ditto.
4894         (*sse2_mulv4si3): Ditto.
4895         (mulv2di3): Ditto.
4896         (sse4_2_pcmpestr): Ditto.
4897         (sse4_2_pcmpistr): Ditto.
4898
4899 2009-07-03  Jan Hubicka  <jh@suse.cz>
4900
4901         * tree-ssa-dce.c (bb_contains_live_stmts): New bitmap.
4902         (mark_stmt_necessary): Set it.
4903         (mark_operand_necessary): Set it.
4904         (mark_control_dependent_edges_necessary): Set it.
4905         (mark_virtual_phi_result_for_renaming): New function.
4906         (get_live_post_dom): New function.
4907         (forward_edge_to_pdom): New function.
4908         (remove_dead_stmt): Fix handling of control dependences.
4909         (tree_dce_init): Init new bitmap.
4910         (tree_dce_done): Free it.
4911
4912 2009-07-02  Richard Guenther  <rguenther@suse.de>
4913
4914         PR bootstrap/40617
4915         * tree-ssa-structalias.c (new_var_info): Initialize
4916         is_restrict_var.
4917
4918 2009-07-02  Jan Hubicka  <jh@suse.cz>
4919
4920         * ipa-pure-const.c (check_op): Use PTA info to see if indirect_ref is
4921         local.
4922
4923 2009-07-02  Paolo Bonzini  <bonzini@gnu.org>
4924
4925         * expmed.c (emit_cstore, emit_store_flag_1): Accept target_mode
4926         instead of recomputing it.  Adjust calls.
4927         (emit_store_flag): Adjust recursive calls.
4928
4929 2009-07-02  Richard Guenther  <rguenther@suse.de>
4930
4931         * tree-ssa-live.c (remove_unused_locals): Do not remove
4932         heap variables.
4933         * tree-ssa-structalias.c (handle_lhs_call): Delay setting
4934         of DECL_EXTERNAL for HEAP variables.
4935         (compute_points_to_sets): Set DECL_EXTERNAL for escaped
4936         HEAP variables.  Do not adjust RESTRICT vars.
4937         (find_what_var_points_to): Nobody cares if something
4938         points to READONLY.
4939
4940 2009-07-02  Ben Elliston  <bje@au.ibm.com>
4941
4942         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Move
4943         pc_low and pc_high declarations to the top of the function.
4944
4945 2009-07-01  DJ Delorie  <dj@redhat.com>
4946
4947         * config/mep/mep.c (mep_handle_option): Leave IVC2 control
4948         registers as fixed.
4949         (mep_interrupt_saved_reg): Save appropriate IVC2 control registers.
4950         * config/mep/mep-ivc2.cpu: Add VOLATILE to insns that make
4951         unspecified accesses to control registers.
4952         * config/mep/intrinsics.md: Regenerate.
4953         * config/mep/intrinsics.h: Regenerate.
4954         * config/mep/mep-intrin.h: Regenerate.
4955
4956 2009-07-01  Anthony Green  <green@moxielogic.com>
4957
4958         * config/moxie/moxie.c (moxie_expand_prologue): Use dec
4959         instruction when possible.
4960         (moxie_expand_prologue): Ditto.  Also, save an instruction and
4961         some complexity by popping off of $r12 instead of $sp.
4962         * config/moxie/moxie.md (movsi_pop): Don't assume $sp.  Take two
4963         operands.
4964
4965 2009-07-01  Richard Henderson  <rth@redhat.com>
4966
4967         PR bootstrap/40347
4968         * function.c (reposition_prologue_and_epilogue_notes): If epilogue
4969         contained no insns, reposition note before last insn.
4970
4971 2009-07-01  Richard Henderson  <rth@redhat.com>
4972
4973         PR debug/40431
4974         * dwarf2out.c (def_cfa_1): Revert 2009-06-11 change for
4975         DW_CFA_def_cfa_offset and DW_CFA_def_cfa.
4976
4977 2009-07-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
4978
4979         PR bootstrap/40558
4980         * config/rs6000/rs6000.c (print_operand): Undo change that breaks
4981         darwin9 for printing reg addresses with %y.
4982
4983 2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>
4984
4985         * combine.c (force_to_mode): Handle TRUNCATE.  Factor out
4986         truncation from operands in binary operations.
4987
4988 2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>
4989
4990         Revert:
4991         2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
4992         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
4993         subreg of op0 to the original op0.
4994
4995         * expmed.c (store_bit_field_1): Use a temporary as the destination
4996         instead of a paradoxical subreg when we need to truncate the result.
4997
4998 2009-07-01  DJ Delorie  <dj@redhat.com>
4999
5000         * config/mep/mep-ivc2.cpu (cmov, cmovc, cmovh): Add intrinsic
5001         names to VLIW variants.
5002         (ivc2rm, ivc2crn): Make data type consistent with non-VLIW variants.
5003         * config/mep/intrinsics.md: Regenerate.
5004         * config/mep/intrinsics.h: Regenerate.
5005         * config/mep/mep-intrin.h: Regenerate.
5006
5007 2009-07-01  Jakub Jelinek  <jakub@redhat.com>
5008
5009         PR debug/40462
5010         * jump.c (returnjump_p): Revert last patch.
5011         * dwarf2out.c (dwarf2out_begin_epilogue): Handle SEQUENCEs.
5012
5013 2009-07-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5014
5015         PR target/40575
5016         * pa.md (casesi32p): Use jump table label to determine the offset
5017         of the jump table.
5018         (casesi64p): Likewise.
5019
5020         * pa.c (forward_branch_p): Return bool type.  Use instruction
5021         addresses when available.  Assert that INSN has a jump label.
5022         (pa_adjust_insn_length): Don't call forward_branch_p if INSN doesn't
5023         have a jump label.
5024
5025 2009-07-01  Richard Guenther  <rguenther@suse.de>
5026
5027         PR tree-optimization/19831
5028         * tree-ssa-dce.c (propagate_necessity): Calls to functions
5029         that only act as barriers do not make any previous stores necessary.
5030         * tree-ssa-structalias.c (handle_lhs_call): Delay making
5031         HEAP variables global, do not add a constraint from nonlocal.
5032         (find_func_aliases): Handle escapes through return statements.
5033         (compute_points_to_sets): Make escaped HEAP variables global.
5034
5035 2009-07-01  Paolo Bonzini  <bonzini@gnu.org>
5036
5037         PR bootstrap/40597
5038         * expmed.c (emit_store_flag): Perform a conversion if necessary,
5039         after reducing a DImode cstore to SImode.
5040
5041 2009-07-01  Paolo Bonzini  <bonzini@gnu.org>
5042
5043         * expr.c (expand_expr_real_1): Reinstate fallthrough to
5044         TRUTH_ANDIF_EXPR if do_store_flag returns NULL.
5045
5046 2009-07-01  Maciej W. Rozycki  <macro@linux-mips.org>
5047
5048         * config/vax/vax.h (TARGET_BSD_DIVMOD): New macro.  Set to 1.
5049         * config/vax/linux.h (TARGET_BSD_DIVMOD): New macro.  Redefine the
5050         to 0.
5051         * config/vax/vax.c (vax_init_libfuncs): Only redefine udiv_optab
5052         and umod_optab if TARGET_BSD_DIVMOD.
5053         * config/vax/lib1funcs.asm: New file.
5054         * config/vax/t-linux: New file.
5055         * config.gcc (vax-*-linux*): Set tmake_file to vax/t-linux.
5056
5057 2009-06-30  Jakub Jelinek  <jakub@redhat.com>
5058
5059         PR c++/40566
5060         * convert.c (convert_to_integer) <case COND_EXPR>: Don't convert
5061         to type arguments that have void type.
5062
5063         PR debug/40573
5064         * dwarf2out.c (gen_formal_parameter_die): Call
5065         equate_decl_number_to_die if node is different from origin.
5066
5067 2009-06-30  Anthony Green  <green@moxielogic.com>
5068
5069         Clean up moxie port for --enable-build-with-cxx.
5070         * config/moxie/moxie.c (moxie_function_value): First two
5071         parameters are const_tree, not tree.
5072         * config/moxie/moxie.h (enum reg_class): Rename CC_REG to CC_REGS.
5073         (REG_CLASS_NAMES): Ditto.
5074         (REGNO_REG_CLASS): Ditto.
5075         * config/moxie/moxie-protos.h (moxie_override_options): Declare.
5076         (moxie_function_value): Fix constyness of arguments.
5077
5078 2009-06-30  Eric Botcazou  <ebotcazou@adacore.com>
5079
5080         * cgraphunit.c (cgraph_finalize_compilation_unit): Call
5081         finalize_size_functions before further processing.
5082         * stor-layout.c: Include cgraph.h, tree-inline.h and tree-dump.h.
5083         (variable_size): Call self_referential_size on size expressions
5084         that contain a PLACEHOLDER_EXPR.
5085         (size_functions): New static variable.
5086         (copy_self_referential_tree_r): New static function.
5087         (self_referential_size): Likewise.
5088         (finalize_size_functions): New global function.
5089         * tree.c: Include tree-inline.h.
5090         (push_without_duplicates): New static function.
5091         (find_placeholder_in_expr): New global function.
5092         (substitute_in_expr) <tcc_declaration>: Return the replacement object
5093         on equality.
5094         <tcc_expression>: Likewise.
5095         <tcc_vl_exp>: If the replacement object is a constant, try to inline
5096         the call in the expression.
5097         * tree.h (finalize_size_functions): Declare.
5098         (find_placeholder_in_expr): Likewise.
5099         (FIND_PLACEHOLDER_IN_EXPR): New macro.
5100         (substitute_placeholder_in_expr): Update comment.
5101         * tree-inline.c (remap_decl): Do not unshare trees if do_not_unshare
5102         is true.
5103         (copy_tree_body_r): Likewise.
5104         (copy_tree_body): New static function.
5105         (maybe_inline_call_in_expr): New global function.
5106         * tree-inline.h (struct copy_body_data): Add do_not_unshare field.
5107         (maybe_inline_call_in_expr): Declare.
5108         * Makefile.in (tree.o): Depend on TREE_INLINE_H.
5109         (stor-layout.o): Depend on CGRAPH_H, TREE_INLINE_H, TREE_DUMP_H and
5110         GIMPLE_H.
5111
5112 2009-06-30  Richard Guenther  <rguenther@suse.de>
5113
5114         * tree-ssa-dce.c (mark_all_reaching_defs_necessary_1): Always
5115         continue walking.
5116         (propagate_necessity): Do not mark reaching defs of stores
5117         as necessary.
5118
5119 2009-06-30  Jan Hubicka  <jh@suse.cz>
5120
5121         * cfgloopanal.c (check_irred): Move into ...
5122         (mark_irreducible_loops): ... here; return true if ireducible
5123         loops was found.
5124         * ipa-pure-const.c: Include cfgloop.h and tree-scalar-evolution.h
5125         (analyze_function): Try to prove loop finiteness.
5126         * cfgloop.h (mark_irreducible_loops): Update prototype.
5127         * Makefile.in (ipa-pure-const.o): Add dependency on SCEV and CFGLOOP.
5128
5129 2009-06-30  Basile Starynkevitch  <basile@starynkevitch.net>
5130
5131         * Makefile.in (PLUGIN_HEADERS): added ggc, tree-dump, pretty-print.
5132
5133 2009-06-30  Ira Rosen  <irar@il.ibm.com>
5134
5135         PR tree-optimization/40542
5136         * tree-vect-stmts.c (vect_analyze_stmt): Don't vectorize volatile
5137         types.
5138
5139 2009-06-30  Martin Jambor  <mjambor@suse.cz>
5140
5141         PR tree-optimization/40582
5142         * tree-sra.c (build_ref_for_offset_1): Use types_compatible_p rather
5143         than useless_type_conversion_p.
5144         (generate_subtree_copies): Increment sra_stats.subtree_copies at a
5145         proper place.
5146
5147 2009-06-30  Martin Jambor  <mjambor@suse.cz>
5148
5149         PR middle-end/40554
5150         * tree-sra.c (sra_modify_expr): Add access->offset to start_offset.
5151
5152 2009-06-30  Richard Guenther  <rguenther@suse.de>
5153
5154         * tree-ssa-alias.c (walk_aliased_vdefs_1): Change interface to
5155         use ao_ref references.
5156         (walk_aliased_vdefs): Likewise.
5157         * tree-ssa-alias.h (walk_aliased_vdefs): Adjust prototype.
5158         * tree-ssa-dce.c (struct ref_data): Remove.
5159         (mark_aliased_reaching_defs_necessary_1): Use the ao_ref argument.
5160         (mark_aliased_reaching_defs_necessary): Adjust.
5161         (mark_all_reaching_defs_necessary_1): Likewise.
5162
5163 2009-06-30  Paolo Bonzini  <bonzini@gnu.org>
5164
5165         PR boostrap/40597
5166         * expmed.c (emit_cstore): New name of emit_store_flag_1.
5167         (emit_store_flag_1): Extract from emit_store_flag, adjust
5168         calls to (what now is) emit_cstore.
5169         (emit_store_flag): Call emit_store_flag_1 and also use it
5170         for what used to be recursive calls.
5171
5172 2009-06-30  Wei Guozhi  <carrot@google.com>
5173
5174         PR/40416
5175         * tree-ssa-sink.c (statement_sink_location): Stop sinking expression
5176         if the target bb post dominates from bb.
5177         * config/i386/i386.c (memory_address_length): Check existence of base
5178         register before using it.
5179
5180 2009-06-30  Nick Clifton  <nickc@redhat.com>
5181             DJ Delorie  <dj@redhat.com>
5182
5183         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
5184         __FMOVD_ENABLED__ is defined.
5185         * config/sh/sh.h
5186         (TARGET_FMOVD): Provide a default definition.
5187         (MASK_FMOVD): Likewise.
5188         (TARGET_CPU_CPP_BUILTINS): Define
5189         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
5190         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
5191         two fmov instructions depending upon whether TARGET_FMOVD is
5192         enabled.
5193         (split for DF load from memory into register): Also handle
5194         MEMs which consist of REG+DISP addressing.
5195         (split for DF store from register to memory): Likewise.
5196         * config/sh/sh.opt (mfmovd): Remove this switch.
5197         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
5198         * config/sh/sh.c (sh_override_options): Do not automatically
5199         enable TARGET_MOVD for the SH2A when supporting doubles - leave
5200         that to the -mfmovd command line switch.
5201
5202         * config/sh/sh.c (broken_move): Do not restrict fldi test to only
5203         the SH4 and SH4A.
5204         (fldi_ok): Always allow.
5205         * config/sh/sh.md (movsf_ie): Always use single fp_mode.
5206
5207 2009-06-29  DJ Delorie  <dj@redhat.com>
5208
5209         * doc/install.texi (mep-x-elf): Correct chip's full name.
5210
5211 2009-06-29  H.J. Lu  <hongjiu.lu@intel.com>
5212
5213         * doc/extend.texi: Fix typo.
5214
5215 2009-06-29  Tom Tromey  <tromey@redhat.com>
5216
5217         * dwarf2.h: Remove.
5218         * Makefile.in (DWARF2_H): New variable.
5219         (except.o): Use it.
5220         (dwarf2out.o): Likewise.
5221         (dwarf2asm.o): Likewise.
5222         * config/i386/t-i386: Use DWARF2_H.
5223         * except.c: Include elf/dwarf2.h.
5224         * unwind-dw2.c: Include elf/dwarf2.h.
5225         * dwarf2out.c: Include elf/dwarf2.h.
5226         (dw_loc_descr_struct) <dw_loc_opc>: Now a bitfield.
5227         <dtprel>: New field.
5228         (dwarf_stack_op_name): Don't handle INTERNAL_DW_OP_tls_addr.
5229         (size_of_loc_descr): Likewise.
5230         (output_loc_operands_raw): Likewise.
5231         (output_loc_operands): Handle new dtprel field.
5232         (loc_checksum): Update.
5233         (loc_descriptor_from_tree_1) <VAR_DDECL>: Set dtprel field.
5234         * unwind-dw2-fde-glibc.c: Include elf/dwarf2.h.
5235         * unwind-dw2-fde.c: Include elf/dwarf2.h.
5236         * dwarf2asm.c: Include elf/dwarf2.h.
5237         * unwind-dw2-fde-darwin.c: Include elf/dwarf2.h.
5238         * config/mmix/mmix.c: Include elf/dwarf2.h.
5239         * config/rs6000/darwin-fallback.c: Include elf/dwarf2.h.
5240         * config/xtensa/unwind-dw2-xtensa.c: Include elf/dwarf2.h.
5241         * config/sh/sh.c: Include elf/dwarf2.h.
5242         * config/i386/i386.c: Include elf/dwarf2.h.
5243
5244 2009-06-29  DJ Delorie  <dj@redhat.com>
5245
5246         * config/mep/mep.h (CPP_SPEC): Remove __cop macro.
5247
5248         * doc/extend.texi: Add MeP attributes and pragmas.
5249         * doc/invoke.text: Add MeP Options.
5250         * doc/contrib.texi: Add MeP contribution.
5251         * doc/md.texi: Add MeP constraints.
5252         * doc/install.texi: Add MeP target.
5253
5254 2009-06-30  Anatoly Sokolov  <aesok@post.ru>
5255
5256         * target.h (struct gcc_target): Add frame_pointer_required field.
5257         * target-def.h (TARGET_FRAME_POINTER_REQUIRED): New.
5258         (TARGET_INITIALIZER): Use TARGET_FRAME_POINTER_REQUIRED.
5259         * ira.c (setup_eliminable_regset): Use frame_pointer_required target
5260         hook.
5261         * reload1.c (update_eliminables): (Ditto.).
5262         * gcc/system.h (FRAME_POINTER_REQUIRED): Poison.
5263         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
5264         (INITIAL_FRAME_POINTER_OFFSET): (Ditto.).
5265
5266         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Remove macro.
5267
5268         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Remove macro.
5269         * config/arm/arm.c (TARGET_FRAME_POINTER_REQUIRED): Define.
5270         (arm_frame_pointer_required): New function.
5271
5272         * config/avr/avr.h (FRAME_POINTER_REQUIRED): Remove macro.
5273         * config/avr/avr.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
5274         (avr_frame_pointer_required_p): Declare as static.
5275         * config/avr/avr-protos.h (avr_frame_pointer_required_p): Remove.
5276
5277         * config/bfin/bfin.h (FRAME_POINTER_REQUIRED): Remove macro.
5278         * config/bfin/bfin.c (TARGET_FRAME_POINTER_REQUIRED): Define.
5279         (bfin_frame_pointer_required): Make as static, change return type
5280         to bool.
5281         * config/bfin/bfin-protos.h (bfin_frame_pointer_required): Remove.
5282
5283         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Remove macro.
5284         * config/cris/cris.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
5285         (cris_frame_pointer_required): New function.
5286
5287         * config/crx/crx.h (FRAME_POINTER_REQUIRED): Remove macro.
5288
5289         * config/fr30/fr30.h (FRAME_POINTER_REQUIRED): Remove macro.
5290         * config/fr30/fr30.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
5291         (fr30_frame_pointer_required): New function.
5292
5293         * config/frv/frv.h (FRAME_POINTER_REQUIRED): Remove macro.
5294         * config/frv/frv.c (TARGET_FRAME_POINTER_REQUIRED): Define.
5295         (frv_frame_pointer_required): Make as static, change return type
5296         to bool.
5297         * config/bfin/bfin-protos.h (frv_frame_pointer_required): Remove.
5298
5299         * config/i386/i386.h (FRAME_POINTER_REQUIRED): Remove macro.
5300         * config/i386/i386.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
5301         (ix86_frame_pointer_required): Make as static, change return type to
5302         bool.
5303         * config/i386/i386-protos.h (ix86_frame_pointer_required): Remove.
5304
5305         * config/m32c/m32c.h (FRAME_POINTER_REQUIRED): Remove macro.
5306         * config/m32c/m32c.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
5307
5308         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Remove macro.
5309
5310         * config/mcore/mcore.h (CAN_ELIMINATE): Remove macro.
5311
5312         * config/mep/mep.h (FRAME_POINTER_REQUIRED): Remove macro.
5313
5314         * config/mips/mips.h (FRAME_POINTER_REQUIRED): Remove macro.
5315         * config/mips/mips.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
5316         (mips_frame_pointer_required): Make as static.
5317         * config/mips/mips-protos.h (mips_frame_pointer_required): Remove.
5318
5319         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Remove macro.
5320         * config/mmix/mmix.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
5321         (mmix_frame_pointer_required): Mew function.
5322
5323         * config/moxie/moxie.h (FRAME_POINTER_REQUIRED): Remove macro.
5324         * config/moxie/moxie.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
5325
5326         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Remove macro.
5327
5328         * config/score/score.h (FRAME_POINTER_REQUIRED): Remove macro.
5329
5330         * config/sh/sh.h (CAN_ELIMINATE): Remove macro.
5331
5332         * config/sparc/sparc.h (FRAME_POINTER_REQUIRED): Remove macro.
5333         (CAN_ELIMINATE): Redefine.
5334         * config/sparc/sparc.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
5335         (sparc_frame_pointer_required): New function.
5336         (sparc_can_eliminate): New function.
5337         * config/sparc/sparc-protos.h (sparc_can_eliminate): Declare.
5338
5339         * config/vax/vax.h (FRAME_POINTER_REQUIRED): Remove macro.
5340         * config/vax/vax.c (TARGET_FRAME_POINTER_REQUIRED): Define.
5341
5342         * config/xtensa/xtensa.h (FRAME_POINTER_REQUIRED): Remove macro.
5343         * config/xtensa/xtensa.c (TARGET_FRAME_POINTER_REQUIRED): Define.
5344         (xtensa_frame_pointer_required): Make as static, change return type
5345         to bool.
5346         * config/xtensa/xtensa-protos.h (xtensa_frame_pointer_required):
5347         Remove.
5348
5349 2009-06-29  Olatunji Ruwase  <tjruwase@google.com>
5350
5351         * doc/plugins.texi: Document PLUGIN_START_UNIT.
5352         * toplev.c (compile_file): Call PLUGIN_START_UNIT.
5353         * gcc-plugin.h (PLUGIN_START_UNIT): Added new event.
5354         * plugin.c (plugin_event_name): Added PLUGIN_START_UNIT.
5355         (register_callback): Handle PLUGIN_START_UNIT.
5356         (invoke_plugin_callbacks): Handle PLUGIN_START_UNIT.
5357
5358 2009-06-29  Eric Botcazou  <ebotcazou@adacore.com>
5359
5360         * tree.c (process_call_operands): Propagate TREE_READONLY from the
5361         operands.
5362         (PROCESS_ARG): Do not clear TREE_READONLY if CONSTANT_CLASS_P.
5363         (build3_stat): Propagate TREE_READONLY for COND_EXPR.
5364
5365 2009-06-29  Daniel Jacobowitz  <dan@codesourcery.com>
5366
5367         * config/arm/arm.h (REGISTER_MOVE_COST): Increase VFP register
5368         move cost.
5369
5370 2009-06-29  Uros Bizjak  <ubizjak@gmail.com>
5371
5372         * doc/extend.texi (Additional Floating Types): __float128 is also
5373         supported on i386 targets.
5374
5375 2009-06-29  Richard Guenther  <rguenther@suse.de>
5376
5377         PR middle-end/14187
5378         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
5379         flag.
5380         (pt_solutions_same_restrict_base): Declare.
5381         * tree-ssa-structalias.c (struct variable_info): Add is_restrict_var
5382         flag.
5383         (new_var_info): Initialize is_global_var properly for SSA_NAMEs.
5384         (make_constraint_from, make_copy_constraint): Move earlier.
5385         (make_constraint_from_heapvar): New function.
5386         (make_constraint_from_restrict): Likewise.
5387         (handle_lhs_call): Use it.
5388         (find_func_aliases): Use it to track conversions to restrict
5389         qualified pointers.
5390         (struct fieldoff): Add only_restrict_pointers flag.
5391         (push_fields_onto_fieldstack): Initialize it.
5392         (create_variable_info_for): Track global restrict qualified pointers.
5393         (intra_create_variable_infos): Use make_constraint_from_heapvar.
5394         Track restrict qualified pointer arguments.
5395         (set_uids_in_ptset): Use varinfo is_global_var flag.
5396         (find_what_var_points_to): Set the vars_contains_restrict flag.
5397         Always create the points-to solution for sets including restrict tags.
5398         (pt_solutions_same_restrict_base): New function.
5399         * tree-ssa-alias.c (ptr_derefs_may_alias_p): For two restrict
5400         qualified pointers use pt_solutions_same_restrict_base as
5401         additional source for disambiguation.
5402
5403 2009-06-29  Richard Guenther  <rguenther@suse.de>
5404
5405         PR middle-end/38212
5406         * alias.c (find_base_decl): Remove.
5407         (get_deref_alias_set_1): Remove restrict handling.
5408         * c-common.c (c_apply_type_quals_to_decl): Do not set
5409         DECL_POINTER_ALIAS_SET.
5410         * gimplify.c (find_single_pointer_decl_1): Remove.
5411         (find_single_pointer_decl): Likewise.
5412         (internal_get_tmp_var): Remove restrict handling.
5413         (gimple_regimplify_operands): Likewise.
5414         * omp-low.c (expand_omp_atomic_pipeline): Do not set
5415         DECL_POINTER_ALIAS_SET. Use ref-all pointers.
5416         * print-tree.c (print_node): Do not print DECL_POINTER_ALIAS_SET.
5417         * tree.c (restrict_base_for_decl): Remove.
5418         (init_ttree): Do not allocate it.
5419         (make_node_stat): Do not set DECL_POINTER_ALIAS_SET.  Set
5420         LABEL_DECL_UID for label decls.
5421         (copy_node_stat): Do not copy restrict information.
5422         (decl_restrict_base_lookup): Remove.
5423         (decl_restrict_base_insert): Likewise.
5424         (print_restrict_base_statistics): Likewise.
5425         (dump_tree_statistics): Do not call print_restrict_base_statistics.
5426         * tree.h (DECL_POINTER_ALIAS_SET): Remove.
5427         (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
5428         (struct tree_decl_common): Rename pointer_alias_set to label_decl_uid.
5429         (LABEL_DECL_UID): Adjust.
5430         (DECL_BASED_ON_RESTRICT_P): Remove.
5431         (DECL_GET_RESTRICT_BASE): Likewise.
5432         (SET_DECL_RESTRICT_BASE): Likewise.
5433         (struct tree_decl_with_vis): Remove based_on_restrict_p flag.
5434
5435         * config/i386/i386.c (ix86_gimplify_va_arg): Use ref-all pointers
5436         instead of DECL_POINTER_ALIAS_SET.
5437         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
5438         * config/s390/s390.c (s390_gimplify_va_arg): Likewise.
5439         * config/spu/spu.c (spu_gimplify_va_arg_expr): Likewise.
5440
5441 2009-06-29  Richard Guenther  <rguenther@suse.de>
5442
5443         PR tree-optimization/40579
5444         * tree-vrp.c (vrp_evaluate_conditional): Bail out early if
5445         the IL to simplify has constants that overflowed.
5446
5447 2009-06-28  Uros Bizjak  <ubizjak@gmail.com>
5448
5449         PR tree-optimization/40550
5450         * tree-vect-generic.c (expand_vector_operations_1): Compute in
5451         vector_compute_type only when the size of vector_compute_type is
5452         less than the size of type.
5453
5454 2009-06-28  Eric Botcazou  <ebotcazou@adacore.com>
5455
5456         * fold-const.c (contains_label_1): Fix comments.
5457         (contains_label_p): Do not walk trees multiple time.
5458
5459 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
5460
5461         * config/i386/i386.h (enum ix86_fpcmp_strategy): New.
5462         * config/i386/i386.md (cbranchxf4, cstorexf4, cbranch<MODEF>4,
5463         cstore<MODEF>4, mov<X87MODEF>cc): Change predicate to
5464         ix86_fp_comparison_operator.
5465         (*fp_jcc_1_mixed, *fp_jcc_1_sse, *fp_jcc_1_387, *fp_jcc_2_mixed,
5466         *fp_jcc_2_sse, *fp_jcc_2_387): Delete
5467         (*fp_jcc_3_387, *fp_jcc_4_387, *fp_jcc_5_387, *fp_jcc_6_387,
5468         *fp_jcc_7_387, *fp_jcc_8<MODEF>_387): Eliminate call to
5469         !ix86_use_fcomi_compare, change ix86_fp_jump_nontrivial_p call
5470         to !TARGET_CMOVE, change predicate to ix86_fp_comparison_operator.
5471         (related splits): Change predicate to ix86_fp_comparison_operator.
5472         * config/i386/predicates.md: Use ix86_trivial_fp_comparison_operator
5473         instead of ix86_fp_comparison_codes.
5474         (ix86_trivial_fp_comparison_operator,
5475         ix86_fp_comparison_operator): New.
5476         * config/i386/i386-protos.h (ix86_fp_comparison_strategy): New.
5477         (ix86_expand_compare): Eliminate last two parameters.
5478         (ix86_fp_jump_nontrivial_p): Kill.
5479         * config/i386/i386.c (put_condition_code): Eliminate call to
5480         ix86_fp_comparison_codes and subsequent assertion.
5481         (ix86_fp_comparison_codes): Eliminate.
5482         (ix86_fp_swap_condition): New.
5483         (ix86_fp_comparison_arithmetics_cost, ix86_fp_comparison_fcomi_cost,
5484         ix86_fp_comparison_sahf_cost, ix86_use_fcomi_compare): Consolidate
5485         into ix86_fp_comparison_cost and ix86_fp_comparison_strategy.
5486         (ix86_prepare_fp_compare_args): Use ix86_fp_comparison_strategy
5487         and ix86_fp_swap_condition.
5488         (ix86_expand_fp_compare): Eliminate code for second jump/bypass jump.
5489         Use ix86_fp_comparison_strategy.
5490         (ix86_expand_compare): Likewise.  Eliminate last two arguments.
5491         (ix86_fp_jump_nontrivial_p): Eliminate.
5492         (ix86_expand_branch): Treat SFmode/DFmode/XFmode as simple.  Adjust
5493         call to ix86_expand_compare.
5494         (ix86_split_fp_branch, ix86_expand_setcc,
5495         ix86_expand_carry_flag_compare, ix86_expand_int_movcc,
5496         ix86_expand_fp_movcc): Eliminate code for second jump/bypass jump.
5497
5498 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
5499
5500         * config/arm/arm.c (arm_final_prescan_ins): Eliminate code
5501         related to jump_clobbers.
5502         * config/arm/arm.md (conds): Remove jump_clob case.
5503         (addsi3_cbranch, addsi3_cbranch_scratch, subsi3_cbranch, two
5504         splits): Change comparison_operator to arm_comparison_operator.
5505         (*arm_buneq, *arm_bltgt, *arm_buneq_reversed, *arm_bltgt_reversed):
5506         Eliminate.
5507
5508 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
5509
5510         * dojump.c (do_compare_rtx_and_jump): Try swapping the
5511         condition for floating point modes.
5512         * expmed.c (emit_store_flag_1): Move here a bigger part
5513         of emit_store_flag.
5514         (emit_store_flag): Try swapping the condition for floating point
5515         modes.
5516         * optabs.c (emit_cmp_and_jump_insns): Cope with constant op0 better.
5517
5518 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
5519
5520         * expr.c (expand_expr_real_1): Just use do_store_flag.
5521         (do_store_flag): Drop support for TRUTH_NOT_EXPR.  Use
5522         emit_store_flag_force.
5523         * expmed.c (emit_store_flag_force): Copy here trick
5524         previously in expand_expr_real_1.  Try reversing the comparison.
5525         (emit_store_flag_1): Work if target is NULL.
5526         (emit_store_flag): Work if target is NULL, using the result mode
5527         from the comparison.  Use split_comparison, restructure final part
5528         to simplify conditionals.
5529
5530 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
5531
5532         * builtins.c (expand_errno_check): Use do_compare_rtx_and_jump.
5533         * dojump.c (do_jump): Change handling of floating-point
5534         ops to use just do_compare_and_jump.
5535         (split_comparison): New.
5536         (do_compare_rtx_and_jump): Add here logic coming previously
5537         in do_jump, using split_comparison.
5538
5539 2009-06-27  H.J. Lu  <hongjiu.lu@intel.com>
5540
5541         PR target/40489
5542         * config/ia64/ia64.c (ia64_reorg): Check NULL insn.
5543
5544 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
5545
5546         * tree-ssa-alias.c: Fix unintentional commit.
5547
5548 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
5549
5550         * passes.c (execute_one_pass): Fix unintentional commit.
5551
5552 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
5553
5554         * df-problems.c (df_set_seen, df_unset_seen): Delete.
5555         (df_rd_local_compute, df_md_local_compute): Inline them.
5556
5557         (df_md_scratch): New.
5558         (df_md_alloc, df_md_free): Allocate/free it.
5559         (df_md_local_compute): Only include live registers in init.
5560         (df_md_transfer_function): Prune the in-set computed by
5561         the confluence function, and the gen-set too.
5562
5563 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
5564
5565         PR rtl-optimization/26854
5566         * timevar.def: Remove TV_DF_RU, add TV_DF_MD.
5567         * df-problems.c (df_rd_add_problem): Fix comment.
5568         (df_md_set_bb_info, df_md_free_bb_info, df_md_alloc,
5569         df_md_simulate_artificial_defs_at_top,
5570         df_md_simulate_one_insn, df_md_bb_local_compute_process_def,
5571         df_md_bb_local_compute, df_md_local_compute, df_md_reset,
5572         df_md_transfer_function, df_md_init, df_md_confluence_0,
5573         df_md_confluence_n, df_md_free, df_md_top_dump, df_md_bottom_dump,
5574         problem_MD, df_md_add_problem): New.
5575         * df.h (DF_MD, DF_MD_BB_INFO, struct df_md_bb_info, df_md,
5576         df_md_get_bb_info): New.
5577         (DF_LAST_PROBLEM_PLUS1): Adjust.
5578
5579         * Makefile.in (fwprop.o): Include domwalk.h.
5580         * fwprop.c: Include domwalk.h.
5581         (reg_defs, reg_defs_stack): New.
5582         (bitmap_only_bit_between): Remove.
5583         (process_defs): New.
5584         (process_uses): Use reg_defs and local_md instead of
5585         bitmap_only_bit_between and local_rd.
5586         (single_def_use_enter_block): New, from build_single_def_use_links.
5587         (single_def_use_leave_block): New.
5588         (build_single_def_use_links): Remove code moved to
5589         single_def_use_enter_block, invoke domwalk.
5590         (use_killed_between): Adjust comment.
5591
5592 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
5593
5594         * bitmap.h (bitmap_ior_and_into): New.
5595         * bitmap.c (bitmap_ior_and_into): New.
5596
5597 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
5598
5599         * domwalk.h (struct dom_walk_data): Remove all callbacks except
5600         before_dom_children_before_stmts and after_dom_children_after_stmts.
5601         Rename the two remaining callbacks to just before_dom_children and
5602         after_dom_children. Remove other GIMPLE statement walking bits.
5603         * domwalk.c (walk_dominator_tree): Remove now unsupported features.
5604         * graphite.c: Do not include domwalk.h.
5605         * tree-into-ssa.c (interesting_blocks): New global.
5606         (struct mark_def_sites_global_data): Remove it and names_to_rename.
5607         (mark_def_sites, rewrite_stmt, rewrite_add_phi_arguments,
5608         rewrite_update_stmt, rewrite_update_phi_arguments): Simplify
5609         now that they're not domwalk callbacks.
5610         (rewrite_initialize_block): Rename to...
5611         (rewrite_enter_block): ... this, place after called functions.  Test
5612         interesting_blocks, call rewrite_stmt and rewrite_add_phi_arguments.
5613         (rewrite_finalize_block): Rename to...
5614         (rewrite_leave_block): ... this, place after called functions.
5615         (rewrite_update_init_block): Rename to...
5616         (rewrite_update_enter_block): ... this, place after called functions.
5617         Test interesting_blocks, call rewrite_update_stmt and
5618         rewrite_update_phi_arguments.
5619         (rewrite_update_fini_block): Rename to...
5620         (rewrite_leave_block): ... this, place after called functions.
5621         (rewrite_blocks): Remove last argument, simplify initialization of
5622         walk_data.
5623         (mark_def_sites_initialize_block): Rename to...
5624         (mark_def_sites_block): ... this, call mark_def_sites.
5625         (mark_def_sites_blocks): Remove argument, simplify initialization of
5626         walk_data.
5627         (rewrite_into_ssa): Adjust for interesting_blocks_being a global.
5628         (update_ssa): Likewise.
5629         * tree-ssa-dom.c (optimize_stmt): Simplify now that it's not a domwalk
5630         callback.
5631         (tree_ssa_dominator_optimize): Simplify initialization of walk_data.
5632         (dom_opt_initialize_block): Rename to...
5633         (dom_opt_enter_block): ... this, place after called functions.  Walk
5634         statements here, inline propagate_to_outgoing_edges.
5635         (dom_opt_finalize_block): Rename to...
5636         (dom_opt_leave_block): ... this, place after called functions.
5637         * tree-ssa-dse.c (dse_optimize_stmt): Simplify now that it's not a
5638         domwalk callback.
5639         (dse_enter_block, dse_record_phi): New.
5640         (dse_record_phis): Delete.
5641         (dse_finalize_block): Rename to...
5642         (dse_leave_block): ... this.
5643         (tree_ssa_dse): Simplify initialization of walk_data.
5644         * tree-ssa-loop-im.c (determine_invariantness, move_computations):
5645         Adjust initialization of walk_data.
5646         * tree-ssa-loop-unswitch.c: Do not include domwalk.h.
5647         * tree-ssa-loop-phiopt.c (get_non_trapping):
5648         Adjust initialization of walk_data.
5649         * tree-ssa-loop-threadedge.c: Do not include domwalk.h.
5650         * tree-ssa-uncprop.c (uncprop_into_successor_phis): Simplify now that
5651         it's not a domwalk callback.
5652         (uncprop_initialize_block): Rename to...
5653         (dse_enter_block): ... this, call uncprop_into_successor_phis.
5654         (dse_finalize_block): Rename to...
5655         (dse_leave_block): ... this.
5656         (tree_ssa_uncprop): Simplify initialization of walk_data.
5657         * Makefile.in: Adjust dependencies.
5658
5659 2009-06-27  Richard Earnshaw  <rearnsha@arm.com>
5660
5661         * arm.md (casesi): Fix test for Thumb1.
5662         (thumb1_casesi_internal_pic): Likewise.
5663         (thumb1_casesi_dispatch): Likewise.
5664
5665 2009-06-26  Daniel Gutson  <dgutson@codesourcery.com>
5666
5667         * config/arm/arm-cores.def: Added core cortex-m0.
5668         * config/arm/arm-tune.md: Regenerated.
5669         * doc/invoke.texi: Added entry for cpu ARM Cortex-M0.
5670
5671 2009-06-26  DJ Delorie  <dj@redhat.com>
5672
5673         * config/mep/mep.opt (mfar): Remove -mfar as it doesn't do anything.
5674
5675         * config/mep/mep.c (mep_bundle_insns): Account for the fact that
5676         the scheduler doesn't tag jump insns.
5677
5678 2009-06-26  H.J. Lu  <hongjiu.lu@intel.com>
5679
5680         * c-decl.c (merge_decls): Re-indent.
5681
5682 2009-06-26  Janis Johnson  <janis187@us.ibm.com>
5683
5684         PR c/39902
5685         * tree.c (real_zerop, real_onep, real_twop, real_minus_onep):
5686         Special-case decimal float constants.
5687
5688 2009-06-26  Richard Henderson  <rth@redhat.com>
5689
5690         * function.h (struct function): Add cannot_be_copied_reason,
5691         and cannot_be_copied_set.
5692         * tree-inline.c (has_label_address_in_static_1): Rename from
5693         inline_forbidden_p_2; don't set inline_forbidden_reason here.
5694         (cannot_copy_type_1): Rename from inline_forbidden_p_op; likewise
5695         don't set inline_forbidden_reason.
5696         (copy_forbidden): New function, split out of inline_forbidden_p.
5697         (inline_forbidden_p_stmt): Don't check for nonlocal labels here.
5698         (inline_forbidden_p): Use copy_forbidden.
5699         (tree_versionable_function_p): Likewise.
5700         (inlinable_function_p): Merge into tree_inlinable_function_p.
5701         (tree_function_versioning): Remap cfun->nonlocal_goto_save_area.
5702         * ipa-cp.c (ipcp_versionable_function_p): New function.
5703         (ipcp_cloning_candidate_p): Use it.
5704         (ipcp_node_modifiable_p): Likewise.
5705
5706 2009-06-26  Olatunji Ruwase  <tjruwase@google.com>
5707
5708         * builtins.c (expand_builtin_alloca): Handle builtin alloca
5709         that is marked not to be inlined. Remove flag_mudflap use.
5710         * tree-mudflap.c: Rename mf_xform_derefs to mf_xfrom_statements.
5711         (mf_xform_statements): Mark builtin alloca calls as un-inlineable.
5712
5713 2009-06-26  Steve Ellcey  <sje@cup.hp.com>
5714
5715         PR bootstrap/40338
5716         * config/pa/t-pa-hpux10 (TARGET_LIBGCC2_CFLAGS): Add -frandom-seed.
5717         * config/pa/t-pa-hpux11 (TARGET_LIBGCC2_CFLAGS): Ditto.
5718
5719 2009-06-26  Kai Tietz  <kai.tietz@onevision.com>
5720
5721         * config/i386/mingw-tls.c (__mingwthr_key_dtor): Remove for none
5722         shared libgcc.
5723         (__mingwthr_remove_key_dtor): Likewise.
5724
5725 2009-06-26  Richard Guenther  <rguenther@suse.de>
5726
5727         * tree-ssa-structalias.c (do_ds_constraint): Simplify escape handling.
5728
5729 2009-06-26  Steven Bosscher  <steven@gcc.gnu.org>
5730
5731         PR middle-end/40525
5732         * ifcvt.c (dead_or_predicable): If predicating MERGE_BB fails,
5733         try the non-cond_exec path also.
5734
5735 2009-06-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5736
5737         PR target/40468
5738         * pa.c (branch_to_delay_slot_p, branch_needs_nop_p): New functions.
5739         (output_cbranch): Use new functions.
5740         (output_lbranch, output_bb, output_bvb, output_dbra, output_movb):
5741         Likewise.
5742
5743 2009-06-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
5744             Pat Haugen  <pthaugen@us.ibm.com>
5745             Revital Eres <ERES@il.ibm.com>
5746
5747         * config/rs6000/rs6000.c (print_operand): Correct lossage message
5748         for %c error.  Add %x support to print VSX registers as a unified
5749         register set, instead of separate float and altivec registers.
5750         Switch to use VECTOR_MEM_ALTIVEC_P instead of TARGET_ALTIVEC for
5751         %y case, and add support for VSX pre-modify addresses.
5752         (output_toc): Add assert for CONST containing an integer constant
5753         in the PLUS case.
5754         (rs6000_adjust_cost): Add POWER7 support.
5755         (insn_must_be_first_in_group): Ditto.
5756         (insn_must_be_last_in_group): Ditto.
5757         (rs6000_emit_popcount): Ditto.
5758         (rs6000_vector_mode_supported_p): Ditto.
5759
5760         * config/rs6000/rs6000-protos.h (rs6000_secondary_reload_class):
5761         Change some of the functions called by macros to being called
5762         through a pointer, so debug functions can be inserted if
5763         -mdebug=addr or -mdebug=cost.
5764         (rs6000_preferred_reload_class_ptr): Ditto.
5765         (rs6000_secondary_reload_class_ptr): Ditto.
5766         (rs6000_secondary_memory_needed_ptr): Ditto.
5767         (rs6000_cannot_change_mode_class_ptr): Ditto.
5768         (rs6000_secondary_reload_inner): Ditto.
5769         (rs6000_legitimize_reload_address): Ditto.
5770         (rs6000_legitimize_reload_address_ptr): Ditto.
5771         (rs6000_mode_dependent_address): Ditto.
5772         (rs6000_mode_dependent_address_ptr): Ditto.
5773
5774         * config/rs6000/rs6000.c (reg_offset_addressing_ok_p): New
5775         function to return true if the mode allows reg + integer
5776         addresses.
5777         (virtual_stack_registers_memory_p): New function to return true if
5778         the address refers to a virtual stack register.
5779         (rs6000_legitimate_offset_address_p): Move code to say whether a
5780         mode supports reg+int addressing to reg_offset_addressing_ok_p and
5781         call it.
5782         (rs6000_legitimate_address_p): Add checks for modes that only can
5783         do reg+reg addressing.  Start adding VSX support.
5784         (rs6000_legitimize_reload_address): Ditto.
5785         (rs6000_legitimize_address): Ditto.
5786         (rs6000_debug_legitimate_address_p): New debug functions for
5787         -mdebug=addr and -mdebug=cost.
5788         (rs6000_debug_rtx_costs): Ditto.
5789         (rs6000_debug_address_costs): Ditto.
5790         (rs6000_debug_adjust_cost): Ditto.
5791         (rs6000_debug_legitimize_address): Ditto.
5792         (rs6000_legitimize_reload_address_ptr): Point to call normal
5793         function or debug function.  Make functions called via pointer
5794         static.
5795         (rs6000_mode_dependent_address_ptr): Ditto.
5796         (rs6000_secondary_reload_class_ptr): Ditto.
5797         (rs6000_hard_regno_mode_ok): Add preliminary VSX support.
5798         (rs6000_emit_move): Add -mdebug=addr support.  Change an abort
5799         into a friendlier error.
5800         (rs6000_init_builtins): Add initial VSX support.
5801         (rs6000_adjust_cost): Fix some spacing issues.
5802
5803         * config/rs6000/rs6000.h (enum reg_class): Add VSX_REGS.
5804         (REG_CLASS_NAMES): Ditto.
5805         (REG_CLASS_CONTENTS): Ditto.
5806         (PREFERRED_RELOAD_CLASS): Move from a macro to calling through a
5807         pointer, to add -mdebug=addr support.
5808         (CANNOT_CHANGE_MODE_CLASS): Ditto.
5809         (SECONDARY_RELOAD_CLASS): Call through a pointer to add
5810         -mdebug=addr support.
5811         (LEGITIMIZE_RELOAD_ADDRESS): Ditto.
5812         (GO_IF_MODE_DEPENDENT_ADDRESS): Ditto.
5813         (enum rs6000_builtins): Add RS6000_BUILTIN_BSWAP_HI.
5814
5815         * config/rs6000/rs6000.md (bswaphi*): Add support for swapping
5816         16-bit values.
5817         (bswapsi*): Set attribute types for load/store.  Add combiner
5818         patterns to eliminate zero extend on 64-bit.
5819         (bswapdi*): Add support for swapping 64-bit values.  Use ldbrx and
5820         stdbrx if the hardware supports those instructions.
5821
5822 2009-06-25  Ian Lance Taylor  <iant@google.com>
5823
5824         * doc/invoke.texi (Option Summary): Mention -static-libstdc++.
5825         (Link Options): Document -static-libstdc++.
5826
5827 2009-06-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5828
5829         PR target/38731
5830         * config/rs6000/rs6000.c (LOCAL_ALIGNMENT): Redefine to just use
5831         DATA_ALIGNMENT instead.
5832
5833 2009-06-25  Richard Guenther  <rguenther@suse.de>
5834
5835         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Disambiguate
5836         indirect references against the callused/escaped solutions.
5837         (call_may_clobber_ref_p_1): Likewise.
5838
5839 2009-06-25  Martin Jambor  <mjambor@suse.cz>
5840
5841         PR tree-optimization/40493
5842         * tree-sra.c (sra_modify_expr): Correct BIT_FIELD_REF argument numbers.
5843         (enum unscalarized_data_handling): New type.
5844         (handle_unscalarized_data_in_subtree): Return what has been done.
5845         (load_assign_lhs_subreplacements): Handle left flushes differently.
5846         (sra_modify_assign): Use unscalarized_data_handling, simplified
5847         condition determining whether to remove the statement.
5848
5849 2009-06-25  Basile Starynkevitch  <basile@starynkevitch.net>
5850
5851         * doc/plugins.texi (Building GCC plugins): Correct typo in Makefile
5852         excerpt - @ should be doubled for texinfo.
5853
5854 2009-06-24  Ian Lance Taylor  <iant@google.com>
5855
5856         * config/arc/arc.c: Include "df.h".
5857         (arc_attribute_table): Make static.  Move higher in file.
5858         (arc_address_cost): Call SMALL_INT on INTVAL, not rtx.
5859         (output_shift): Initialize n later to avoid warning.
5860         * config/arm/arm.c (arm_attribute_table): Make static.  Move
5861         higher in file.
5862         * config/avr/avr.c (avr_attribute_table): Make static.  Move
5863         higher in file.
5864         (reg_class_tab): Change array type from int to enum reg_class.
5865         (avr_jump_mode): Change GET_MODE to GET_CODE when checking for
5866         LABEL_REF.
5867         (out_tsthi, ashlhi3_out): Don't use AS2 with "or" or "and".
5868         (lshrhi3_out): Likewise.
5869         (class_likely_spilled_p): Change return type to bool.
5870         (avr_rtx_costs): Use local code variable with enum type.
5871         * config/avr/avr.md (movmemhi): Use add_reg_note.
5872         (andhi3, andsi3): Don't use AS2 with "and".
5873         (iorhi3, iorsi3): Don't use AS2 with "or".
5874         * config/avr/avr-protos.h (class_likely_spilled_p): Update declaration.
5875         * config/crx/crx.c: Include "df.h".
5876         (crx_attribute_table): Make static.
5877         * config/m32r/m32r.c: Include "df.h".
5878         (m32r_attribute_table): Make static.  Move higher in file.
5879         (pop): Use add_reg_note.
5880         (block_move_call): Change 0 to LCT_NORMAL in function call.
5881         * config/m32r/m32r.md (movsi_insn): Remove unused local value.
5882         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Likewise.
5883         * config/m32r/m32r-protos.h (m32r_compute_function_type): Always
5884         declare, not just when TREE_CODE is defined.
5885         * config/m68hc11/m68hc11.c: Include "expr.h".
5886         (m68hc11_attribute_table): Make static.  Move higher in file.
5887         (m68hc11_small_indexed_indirect_p): Change 0 to VOIDmode in
5888         function call.
5889         (m68hc11_register_indirect_p): Likewise.
5890         (m68hc11_function_arg_padding): Change return type to enum
5891         direction.
5892         (emit_move_after_reload): Use add_reg_note.
5893         (m68hc11_emit_logical): Change code parameter to enum rtx_code.
5894         (m68hc11_split_logical): Likewise.
5895         (m68hc11_rtx_costs): Add local code_and outer_code variables with
5896         enum type.
5897         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Change 0
5898         to VOIDmode in function call.
5899         * config/m68hc11/m68hc11-protos.h: Don't check TREE_CODE to see if
5900         tree is defined.
5901         (m68hc11_split_logical): Update declaration.
5902         (m68hc11_function_arg_padding): Update declaration.
5903         * config/mcore/mcore.c (regno_reg_class): Change form array of int
5904         to array of enum reg_class.
5905         (mcore_attribute_table): Make static.  Move higher in file.
5906         (mcore_rtx_costs): Add cast to enum type.
5907         * config/mcore/mcore.h (regno_reg_class): Update declaration.
5908         (GO_IF_LEGITIMATE_INDEX): Add cast to avoid warning.
5909         * config/sh/sh.c (sh_attribute_table): Make static.  Move higher
5910         in file.
5911         * config/sh/predicates.md (trapping_target_operand): Rename and to
5912         and_expr.
5913         * config/sparc/sparc.c (sparc_attribute_table): Make static.  Move
5914         higher in file.
5915         * config/spu/spu.c (spu_attribute_table): Make static.  Move
5916         higher in file.
5917         * config/v850/v850.c (v850_attribute_table): Make static.  Move
5918         higher in file.
5919         (v850_rtx_costs): Use local code with enum type.
5920         (expand_epilogue): Add cast.
5921         * config/v850/v850-c.c (ghs_pragma_section): Initialize repeat.
5922
5923 2009-06-23  Takashi YOSHII  <yoshii.takashi@renesas.com>
5924
5925         PR target/40515
5926         * doc/invoke.texi (SH Options): Document -m2a, -m2a-single,
5927         -m2a-single-only and -m2a-nofpu.
5928         * config/sh/sh.opt: Document m2a generates FPU code.
5929
5930 2009-06-24  Anatoly Sokolov  <aesok@post.ru>
5931
5932         * defaults.h (CAN_ELIMINATE): Provide default.
5933         * doc/tm.texi (CAN_ELIMINATE): Revise documentation.
5934         * config/alpha/alpha.h (CAN_ELIMINATE): Delete.
5935         * config/m32c/m32c.h (CAN_ELIMINATE): Delete.
5936         * config/spu/spu.h (CAN_ELIMINATE): Delete.
5937         * config/xtensa/xtensa.h (CAN_ELIMINATE): Delete.
5938         * config/moxie/moxie.h (CAN_ELIMINATE): Delete.
5939         * config/cris/cris.h (CAN_ELIMINATE): Delete.
5940         * config/mn10300/mn10300.h (CAN_ELIMINATE): Delete.
5941         * config/pa/pa64-linux.h (CAN_ELIMINATE): Delete.
5942         * config/mmix/mmix.h (CAN_ELIMINATE): Delete.
5943
5944 2009-06-24  DJ Delorie  <dj@redhat.com>
5945
5946         * mep-ext-cop.cpu: Fix copyright notice.
5947         * mep-default: Fix copyright notice.
5948         * mep-core: Fix copyright notice.
5949         * mep: Fix copyright notice.
5950         * mep-ivc2: Fix copyright notice.
5951         * mep-c5: Fix copyright notice.
5952
5953 2009-06-24  Denis Chertykov  <chertykov@gmail.com>
5954
5955         * doc/contrib.texi (Contributors):
5956
5957 2009-06-24  Andreas Krebbel  <krebbel1@de.ibm.com>
5958
5959         PR middle-end/40501
5960         * tree-ssa-math-opts.c (execute_optimize_bswap): Convert the bswap
5961         src and dst operands if necessary.
5962
5963 2009-06-23  DJ Delorie  <dj@redhat.com>
5964
5965         Add MeP port.
5966         * config.gcc: Add mep support.
5967         * recog.c: Resurrect validate_replace_rtx_subexp().
5968         * recog.h: Likewise.
5969         * config/mep/: Add new port:
5970         * config/mep/constraints.md: New file.
5971         * config/mep/default.h: New file.
5972         * config/mep/intrinsics.h: New file.
5973         * config/mep/intrinsics.md: New file.
5974         * config/mep/ivc2-template.h: New file.
5975         * config/mep/mep-c5.cpu: New file.
5976         * config/mep/mep-core.cpu: New file.
5977         * config/mep/mep-default.cpu: New file.
5978         * config/mep/mep-ext-cop.cpu: New file.
5979         * config/mep/mep-intrin.h: New file.
5980         * config/mep/mep-ivc2.cpu: New file.
5981         * config/mep/mep-lib1.asm: New file.
5982         * config/mep/mep-lib2.c: New file.
5983         * config/mep/mep-pragma.c: New file.
5984         * config/mep/mep-protos.h: New file.
5985         * config/mep/mep-tramp.c: New file.
5986         * config/mep/mep.c: New file.
5987         * config/mep/mep.cpu: New file.
5988         * config/mep/mep.h: New file.
5989         * config/mep/mep.md: New file.
5990         * config/mep/mep.opt: New file.
5991         * config/mep/predicates.md: New file.
5992         * config/mep/t-mep: New file.
5993
5994 2009-06-23  Ian Lance Taylor  <iant@google.com>
5995
5996         * configure.ac: Invoke AC_PROG_CXX.  Separate C specific warnings
5997         from loose_warn into c_loose_warn and from strict_warn into
5998         c_strict_warn.  Set and substitute warn_cxxflags.  Check for
5999         --enable-build-with-cxx.  Set and substitute
6000         ENABLE_BUILD_WITH_CXX.  Set and substitute HOST_LIBS.
6001         * Makefile.in (CXXFLAGS): New variable.
6002         (C_LOOSE_WARN, C_STRICT_WARN): New variables.
6003         (GCC_WARN_CFLAGS): Add $(C_LOOSE_WARN).  Add $(C_STRICT_WARN) if
6004         the default is the same as $(STRICT_WARN).
6005         (GCC_WARN_CXXFLAGS, WARN_CXXFLAGS): New variables.
6006         (CXX): New variable.
6007         (COMPILER): New value if ENABLE_BUILD_WITH_CXX.
6008         (COMPILER_FLAGS, LINKER, LINKER_FLAGS): Likewise.
6009         (ALL_COMPILERFLAGS, ALL_LINKERFLAGS): Likewise.
6010         (HOST_LIBS): New variable.
6011         (GCC_CFLAGS): Add $(C_LOOSE_WARN).
6012         (ALL_CXXFLAGS): New variable.
6013         (LIBS, BACKENDLIBS): Add $(HOST_LIBS).
6014         * doc/install.texi (Configuration): Document
6015         --enable-build-with-cxx, --with-stage1-ldflags,
6016         --with-stage1-libs, --with-boot-ldflags, --with-boot-libs.
6017         * configure: Rebuild.
6018
6019 2009-06-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6020
6021         * config/arm/arm.c (arm_override_options): Fix braces and formatting
6022         from previous commit.
6023
6024 2009-06-23  Ian Lance Taylor  <iant@google.com>
6025
6026         * Makefile.in ($(out_object_file)): Depend upon $(DF_H).
6027
6028 2009-06-23  Ian Lance Taylor  <iant@google.com>
6029
6030         * reload.c (alternative_allows_const_pool_ref): Mark mem parameter
6031         with ATTRIBUTE_UNUSED.
6032
6033 2009-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
6034             Pat Haugen  <pthaugen@us.ibm.com>
6035             Revital Eres  <eres@il.ibm.com>
6036
6037         * config.in (HAVE_AS_POPCNTD): Add default definition.
6038         (HAVE_AS_LWSYNC): Ditto.
6039
6040         * configure.ac (gcc_cv_as_powerpc_mfpgpr): Provide real binutils
6041         release number.
6042         (gcc_cv_as_powerpc_cmpb): Ditto.
6043         (gcc_cv_as_powerpc_dfp): Ditto.
6044         (gcc_cv_as_powerpc_vsx): Ditto.
6045         (gcc_cv_as_powerpc_popcntd): Add feature test for assembler
6046         supporting the popcntd/lwsync instructions.
6047         (gcc_cv_as_powerpc_lwsync): Ditto.
6048         * configure: Regenerate.
6049
6050         * config/rs6000/aix53.h (ASM_CPU_SPEC): Add support for
6051         -mcpu=native and -mcpu=power7.
6052         * config/rs6000/aix61.h (ASM_CPU_SPEC): Ditto.
6053
6054         * config/rs6000/linux64.opt (-mprofile-kernel): Move switch to be
6055         a variable instead of a mask to reduce the number of mask bits.
6056         * config/rs6000/sysv4.opt (-mbit-align): Ditto.
6057         (-mbit-word): Ditto.
6058         (-mregnames): Ditto.
6059         * config/rs6000/rs6000.opt (-mupdate): Ditto.
6060         (-mfused-madd): Ditto.
6061
6062         * config/rs6000/rs6000.opt (-mpopcntd): New switch for non-VSX ISA
6063         2.06 instructions.
6064         (-mvsx): New switch for VSX instructions.
6065         (-misel): Move from a variable to a mask to allow it to be set by
6066         -mcpu=.
6067
6068         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_nregs): Change
6069         function declaration to an array declaration.
6070         (rs6000_hard_regno_nregs): New external array declaration.
6071
6072         * config/rs6000/t-rs6000 (MD_INCLUDES): Define, add all of the .md
6073         files included by rs6000.md.
6074
6075         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
6076         SET_PROFILE_KERNEL macro to reset the -mprofile-kernel switch.
6077
6078         * config/rs6000/rs6000.c (rs6000_isel): Delete, -misel moved to be
6079         a target mask.
6080         (rs6000_debug_reg): New -mdebug= variables.
6081         (rs6000_debug_addr): Ditto.
6082         (rs6000_debug_cost): Ditto.
6083         (rs6000_pmode): New variable to hold Pmode.
6084         (rs6000_pointer_size): New variable to hold POINTER_SIZE.
6085         (rs6000_class_max_nregs): New array to hold CLASS_MAX_NREGS
6086         calculated at compiler start.
6087         (rs6000_hard_regno_nregs): Change function to an array which holds
6088         HARD_REGNO_NREGS calculated at compiler start.
6089         (rs6000_explicit_options): Delete isel field.
6090         (rs6000_vector_unit): New array to hold which vector unit
6091         supports arithmetic options for a given type.
6092         (rs6000_vector_mem): New array to hold which vector unit supports
6093         memory reference operations for a given type.
6094         (rs6000_vector_align): New array to given the alignment of each
6095         vector type.
6096         (power7_cost): New basic costs for power7.
6097         (SET_PROFILE_KERNEL): New macro for resetting -mprofile-kernel.
6098         (rs6000_hard_regno_nregs_internal): New function, moved from
6099         HARD_REGNO_NREGS, to calculate the number of registers each hard
6100         register takes for each type.
6101         (rs6000_debug_reg_print): New function for -mdebug=reg support.
6102         (rs6000_debug_vector_unit): New array, map rs6000_vector to string.
6103         (+rs6000_init_hard_regno_mode_ok): New function, move calculation
6104         of HARD_REGNO_NREGS, CLASS_MAX_NREGS, REGNO_REG_CLASS, and vector
6105         unit information here so it is calculated once at compiler startup
6106         time.
6107         (rs6000_override_options): Make -misel a target mask.  Add more
6108         power7 target masks.  Setup Pmode and POINTER_SIZE.  Add initial
6109         VSX support.  Add support for -mdebug=reg, -mdebug=addr, and
6110         -mdebug=cost.
6111         (POWERPC_MASKS): Add MASK_POPCNTD, MASK_VSX, and MASK_ISEL.
6112         (rs6000_handle_option): Move -misel from variable to target mask.
6113         (rs6000_builtin_mask_for_load): Add VSX support.
6114         (rs6000_conditional_register_usage): Ditto.
6115         (USE_ALTIVEC_FOR_ARG_P): Ditto.
6116         (function_arg_boundary): Ditto.
6117         (rs6000_expand_builtin): Ditto.
6118         (def_builtin): Make abort message a little friendlier.
6119         (rs6000_emit_int_cmove): Add support for 64-bit isel.
6120
6121         * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Depend on the
6122         assembler support the popcntd instruction instead of a vsx
6123         instruction to enable power7 support.
6124         (ASM_CPU_SPEC): Add support for -mcpu=native and -mcpu=power7.
6125         (EXTRA_SPECS): Add ASM_CPU_NATIVE_SPEC to allow passing the right
6126         option to the assembler if -mcpu=native.
6127         (ASM_CPU_NATIVE_SPEC): Ditto.
6128         (TARGET_POPCNTD): If assembler doesn't support popcntd, turn off
6129         ISA 2.06 features.
6130         (TARGET_LWSYNC_INSTRUCTION): Define whether it is safe to issue
6131         the lwsync instruction.
6132         (enum processor_type): Add PROCESSOR_POWER7.
6133         (rs6000_debug_reg): New -mdebug= options.
6134         (rs6000_debug_addr): Ditto.
6135         (rs6000_debug_cost): Ditto.
6136         (rs6000_isel): Delete.
6137         (enum rs6000_vector): New enum to say what vector unit we have.
6138         (VECTOR_UNIT_*): New macros to say which vector unit has
6139         arithmetic operations for a given type.
6140         (VECTOR_MEM_*): New macros to say which vector unit has memory
6141         operations for a given type.
6142         (TARGET_LDBRX): Whether the machine supports the ldbrx
6143         instruction.
6144         (TARGET_ISEL): Delete, -misel moved to be a mask.
6145         (TARGET_ISEL64): New macro for 64-bit isel support.
6146         (UNITS_PER_VSX_WORD): New macro.
6147         (POINTER_SIZE): Move to be an external variable, rather than
6148         calculating whether we are generating 32 ot 64-bit code.
6149         (Pmode): Ditto.
6150         (STACK_BOUNDARY): Add VSX support.
6151         (LOCAL_ALIGNMENT): Ditto.
6152         (SLOW_UNALIGNED_ACCESS): Ditto.
6153         (VSX_REGNO_P): New macro for VSX support.
6154         (VFLOAT_REGNO_P): Ditto.
6155         (VINT_REGNO_P): Ditto.
6156         (VLOGICAL_REGNO_P): Ditto.
6157         (VSX_VECTOR_MODE): Ditto.
6158         (VSX_SCALAR_MODE): Ditto.
6159         (VSX_MODE): Ditto.
6160         (VSX_MOVE_MODE): Ditto.
6161         (VSX_REG_CLASS_P): Ditto.
6162         (HARD_REGNO_NREGS): Instead of calling a function, use an array
6163         lookup.
6164         (UNITS_PER_SIMD_WORD): Add VSX support.
6165         (MODES_TIEABLE_P): Ditto.
6166         (STARTING_FRAME_OFFSET): Ditto.
6167         (STACK_DYNAMIC_OFFSET): Ditto.
6168         (EPILOGUE_USES): Ditto.
6169         (REGNO_REG_CLASS): Move to array lookup.
6170         (CLASS_MAX_NREGS): Ditto.
6171         (rs6000_vector_reg_class): Add declaration.
6172         (ADDITIONAL_REGISTER_NAMES): Add VSX names for the registers that
6173         overlap with the floating point and Altivec registers.
6174
6175         * config/rs6000/e500.h (CHECK_E500_OPTIONS): Disallow -mvsx.
6176
6177         * config/rs6000/driver-rs6000.c (asm_names): New static array to
6178         give the appropriate asm switches if -mcpu=native.
6179         (host_detect_local_cpu): Add support for "asm".
6180         (host_detect_local_cpu): Follow GNU code guidelines for name.
6181
6182         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Move
6183         -mbit-word to a variable instead of being a target mask.
6184
6185         * config/rs6000/sync.md (lwsync): If the assembler supports it,
6186         emit the lwsync instruction instead of emitting the instruction as
6187         an integer constant.
6188
6189         * config/rs6000/spe.md (spe_fixuns_truncdfsi2): Rename from
6190         fixuns_trundfsi2, move expander into rs6000.md.
6191
6192         * config/rs6000/rs6000.md (cpu): Add power7.
6193         (sel, *ptrsize): New mode attributes for 32/64-bit isel.
6194         (logical predicate patterns): Change the single instruction
6195         primitives that set CR0 to be fast_compare instead of compare.
6196         (norsi*): Ditto.
6197         (popcntwsi2): Add support for ISA 2.06 popcount instructions.
6198         (popcntddi2): Ditto.
6199         (popcount<mode>): Ditto.
6200         (floating multiply/add insns): Name the floating point
6201         multiply/add insns.
6202         (isel_signed_<mode>): Add support for -misel on 64-bit systems.
6203         (isel_unsigned_<mode>): Ditto.
6204         (fixuns_trundfsi2): Move expander here from spe.md.
6205         (smindi3): Define if we have -misel on 64-bit systems.
6206         (smaxdi3): Ditto.
6207         (umindi3): Ditto.
6208         (umaxdi3): Ditto.
6209
6210 2009-06-23  Anatoly Sokolov  <aesok@post.ru>
6211
6212         * config.gcc (avr-*-rtems*, avr-*-*): Set extra_gcc_objs and
6213         extra_objs.
6214         * config/avr/avr.c (avr_current_device): New variable.
6215         (avr_arch_types, avr_mcu_types): Move to avr-deveces.c.
6216         (avr_arch, mcu_type_s): Move to avr.h.
6217         * config/avr/avr.h (base_arch_s). Add reserved2, arch_name and
6218         default_data_section_start fields.
6219         (avr_arch): Moved from avr.c.
6220         (mcu_type_s): Moved from avr.c. Add short_sp, data_section_start and
6221         library_name fields.
6222         (avr_current_device, avr_mcu_types, avr_arch_types,
6223         avr_device_to_arch, avr_device_to_data_start,
6224         avr_device_to_startfiles, avr_device_to_devicelib): Declare.
6225         (EXTRA_SPEC_FUNCTIONS): Define.
6226         (LINK_SPEC): Remove device name to '-m ...' and '-Tdata ...' linker
6227         options mapping. Use device_to_arch and device_to_data_start insted.
6228         (STARTFILE_SPEC): Use device_to_startfile instead of crt_binutils.
6229         (CRT_BINUTILS_SPECS, EXTRA_SPECS): Remove.
6230         * config/avr/t-avr (driver-avr.o, avr-devices.o): New rules.
6231         * config/avr/driver-avr.c: New file.
6232         * config/avr/avr-devices.c: New file.
6233
6234 2009-06-23  Jakub Jelinek  <jakub@redhat.com>
6235
6236         * var-tracking.c (unshare_variable): Force initialized to
6237         be VAR_INIT_STATUS_INITIALIZED unless flag_var_tracking_uninit.
6238         (set_variable_part): Likewise.
6239         (struct variable_union_info): Remove pos_src field.
6240         (vui_vec, vui_allocated): New variables.
6241         (variable_union): Pass VAR_INIT_STATUS_UNKNOWN to unshare_variable
6242         unconditionally.  Avoid XCVECNEW/free for every sorting, for dst_l
6243         == 1 use a simpler sorting algorithm.  Compute pos field right
6244         away, don't fill in pos_src.  For dst_l == 2 avoid qsort.
6245         Avoid quadratic comparison if !flag_var_tracking_uninit.
6246         (variable_canonicalize): Pass VAR_INIT_STATUS_UNKNOWN to
6247         unshare_variable unconditionally.
6248         (dataflow_set_different_2): Removed.
6249         (dataflow_set_different): Don't traverse second hash table.
6250         (compute_bb_dataflow): Pass VAR_INIT_STATUS_UNINITIALIZED
6251         unconditionally to var_reg_set or var_mem_set.
6252         (emit_notes_in_bb): Likewise.
6253         (delete_variable_part): Pass VAR_INIT_STATUS_UNKNOWN to
6254         unshare_variable.
6255         (emit_note_insn_var_location): Don't set initialized to
6256         VAR_INIT_STATUS_INITIALIZED early.
6257         (vt_finalize): Free vui_vec if needed, clear vui_vec and
6258         vui_allocated.
6259         * rtl.c (rtx_equal_p): Don't implement on top of rtx_equal_p_cb.
6260
6261         * tree-object-size.c (addr_object_size): Instead of checking
6262         for non-NULL TREE_CHAIN of the FIELD_DECL check that there
6263         are no FIELD_DECLs following it.
6264
6265 2009-06-23  Andreas Krebbel  <krebbel1@de.ibm.com>
6266
6267         * tree-ssa-math-opts.c (find_bswap): Increase the search depth in
6268         order to match bswaps with signed source operands.
6269
6270 2009-06-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
6271
6272         * sdbout.c (sdbout_one_type): Fix braces in switch.
6273
6274 2009-06-23  Richard Guenther  <rguenther@suse.de>
6275
6276         * tree-ssa-structalias.c (struct variable_info): Add is_global_var
6277         member.
6278         (var_anything, anything_tree, var_nothing, nothing_tree, var_readonly,
6279         readonly_tree, var_escaped, escaped_tree, var_nonlocal, nonlocal_tree,
6280         var_callused, callused_tree, var_storedanything, storedanything_tree,
6281         var_integer, integer_tree): Remove global variables.
6282         (new_var_info): Do not pass new id, append the new var to the
6283         global variable vector.
6284         (do_ds_constraint): Use is_global_var member of the variable-info.
6285         (new_scalar_tmp_constraint_exp): Adjust.
6286         (create_function_info_for): Likewise.
6287         (create_variable_info_for): Likewise.
6288         (find_what_var_points_to): Remove dead code.
6289         (init_base_vars): Simplify.
6290         (compute_points_to_sets): Adjust.
6291
6292 2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
6293
6294         * combine.c (try_combine): Dump information about the insns we're
6295         combining.
6296
6297 2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
6298
6299         * combine.c (combine_simplify_rtx): Remove TRULY_NOOP_TRUNCATION
6300         check when calling force_to_mode on TRUNCATE's operand.
6301
6302 2009-06-22  Ian Lance Taylor  <iant@google.com>
6303
6304         * config/rs6000/rs6000.opt: Move msched-epilog before msched-prolog.
6305
6306 2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
6307
6308         * config/arm/arm.md (prologue_use): Set length of fake insn to 0.
6309
6310 2009-06-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6311
6312         * doc/invoke.texi (Link Options): -nodefaultlibs and -nostdlib
6313         override library linkage flags such as -static-libgcc or
6314         -shared-libgcc.
6315
6316 2009-06-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
6317
6318         * config/m68k/m68k-devices.def: Add line for MCF5221x.
6319
6320 2009-06-22  Ian Lance Taylor  <iant@google.com>
6321
6322         * config/linux.opt: Put mglibc ahead of muclibc.
6323
6324         * c-decl.c (diagnose_mismatched_decls): Add -Wc++-compat warning
6325         for duplicate decls.
6326
6327 2009-06-22  Matthias Klose  <doko@ubuntu.com>
6328
6329         * Makefile.in (install-plugin): Remove extra `/' after $(DESTDIR).
6330
6331 2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
6332
6333         PR objc/28050
6334         * c-parser.c (c_parser_objc_message_args): Return error_mark_node
6335         instead of NULL if a parser error occurs.
6336
6337 2009-06-22  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
6338
6339         * dwarf2out.c (dwarf2_debug_hooks): Initialize
6340         non-DWARF2_DEBUGGING_INFO version.
6341
6342 2009-06-22  Kai Tietz  <kai.tietz@onevision.com>
6343
6344         * config.gcc (i[34567]86-*-mingw*, x86_64-*-mingw*): Add
6345         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file.
6346
6347         * config/i386/mingw32.h (LIBGCC2_HAS_TF_MODE): Define.
6348         (LIBGCC2_TF_CEXT): Define.
6349         (TF_SIZE): Define.
6350
6351 2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6352
6353         PR target/40463
6354         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Fix definition.
6355
6356 2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6357
6358         * config/arm/arm.c (arm_override_options): Disable
6359         -mcaller-super-interworking and -mcallee-super-interworking.
6360         * doc/invoke.texi (ARM Options): Document this.
6361
6362 2009-06-22  Nathan Sidwell  <nathan@codesourcery.com>
6363
6364         * config/arm/arm.c (arm_print_operand): Deal with HIGH.
6365         * config/arm/constraints.md (j): New constraint for movw operands.
6366         (N): Remove thumb2 meaning.
6367         * config/arm/arm.md (*arm_movw): Delete.
6368         (*arm_movsi_insn): Use j constraint for movw instead of N constraint.
6369         * config/arm/vfp.md (*arm_movsi_vfp, *thumb2_movsi_vfp): Likewise.
6370         * config/arm/thumb2.md (*thumb2_movsi_insn): Likewise.
6371
6372 2009-06-22  Martin Jambor  <mjambor@suse.cz>
6373
6374         PR tree-optimization/40492
6375         * tree-sra.c (sra_modify_assign): Pass zero offsets to
6376         build_ref_for_offset.
6377
6378 2009-06-22  Shujing Zhao  <pearly.zhao@oracle.com>
6379
6380         * alias.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P, CALL_P, NOTE_P and
6381         JUMP_TABLE_DATA_P predicates where applicable.
6382         * auto-inc-dec.c: Ditto.
6383         * builtins.c: Ditto.
6384         * caller-save.c: Ditto.
6385         * calls.c: Ditto.
6386         * cfgcleanup.c: Ditto.
6387         * cfglayout.c: Ditto.
6388         * cfgrtl.c: Ditto.
6389         * combine.c: Ditto.
6390         * combine-stack-adj.c: Ditto.
6391         * cse.c: Ditto.
6392         * cselib.c: Ditto.
6393         * dbxout.c: Ditto.
6394         * df-scan.c: Ditto.
6395         * dse.c: Ditto.
6396         * dwarf2asm.c: Ditto.
6397         * dwarf2out.c: Ditto.
6398         * emit-rtl.c: Ditto.
6399         * except.c: Ditto.
6400         * explow.c: Ditto.
6401         * expmed.c: Ditto.
6402         * expr.c: Ditto.
6403         * final.c: Ditto.
6404         * function.c: Ditto.
6405         * fwprop.c: Ditto.
6406         * gcse.c: Ditto.
6407         * genpreds.c: Ditto.
6408         * genrecog.c: Ditto.
6409         * ifcvt.c: Ditto.
6410         * ira-costs.c: Ditto.
6411         * ira-lives.c: Ditto.
6412         * jump.c: Ditto.
6413         * loop-iv.c: Ditto.
6414         * lower-subreg.c: Ditto.
6415         * modulo-sched.c: Ditto.
6416         * optabs.c: Ditto.
6417         * postreload.c: Ditto.
6418         * print-rtl.c: Ditto.
6419         * recog.c: Ditto.
6420         * reginfo.c: Ditto.
6421         * regmove.c: Ditto.
6422         * reload1.c: Ditto.
6423         * reload.c: Ditto.
6424         * reorg.c: Ditto.
6425         * rtlanal.c: Ditto.
6426         * rtl.c: Ditto.
6427         * sched-vis.c: Ditto.
6428         * sdbout.c: Ditto.
6429         * sel-sched-ir.c: Ditto.
6430         * simplify-rtx.c: Ditto.
6431         * targhooks.c: Ditto.
6432         * var-tracking.c: Ditto.
6433         * vmsdbgout.c: Ditto.
6434
6435 2009-06-22  Matthias Klose  <doko@ubuntu.com>
6436
6437         * Makefile.in (install-plugin): Always use DESTDIR.
6438
6439 2009-06-22  Olivier Hainque  <hainque@adacore.com>
6440
6441         * config/pa/pa.c (output_call): Don't optimize post call jumps
6442         into return address adjustments if the call may throw.
6443
6444 2009-06-21  Richard Earnshaw  <rearnsha@arm.com>
6445
6446         * arm.c (thumb1_output_casesi): New function.
6447         * arm.h (CASE_VECTOR_PC_RELATIVE): Thumb-1 code is also relative if
6448         optimizing for size or PIC.
6449         (CASE_VECTOR_SHORTEN_MODE): Handle thumb-1.
6450         * arm.md (UNSPEC_THUMB1_CASESI): New constant.
6451         (casesi): Handle Thumb-1 when optimizing for size or PIC.
6452         (thumb1_casesi_internal_pic): New expand rule.
6453         (thumb1_casesi_dispatch): New pattern.
6454         * aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use shortened vectors for
6455         thumb-1 mode.
6456         * coff.h (JUMP_TABLES_IN_TEXT_SECTION): Thumb-1 jump tables are now
6457         in the text seciton when PIC or optimizing for size.
6458         * elf.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
6459         * lib1funcs.asm ([__ARM_EABI__]): Add an attribute describing stack
6460         preservation properties of code.
6461         (__gnu_thumb1_case_sqi, __gnu_thumb1_case_uqi): New functions.
6462         (__gnu_thumb1_case_shi, __gnu_thumb1_case_uhi): New functions.
6463         (__gnu_thumb1_case_si): New function.
6464         * t-arm (LIB1ASMSRC): Define here.
6465         (LIB1ASMFUNCS): Add some common functions.
6466         * t-arm-elf (LIB1ASMSRC): Delete.
6467         (LIB1ASMFUNCS): Append to existing set.
6468         * t-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
6469         * t-strongarm-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
6470         * t-symbian (LIB1ASMFUNCS): Likewise.
6471         * t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
6472         * t-wince-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
6473
6474 2009-06-21  Richard Guenther  <rguenther@suse.de>
6475
6476         PR tree-optimization/38729
6477         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Restrict
6478         to loops with a single exit if -fno-expensive-optimizations.
6479
6480 2009-06-21  Jakub Jelinek  <jakub@redhat.com>
6481
6482         * var-tracking.c (struct shared_hash_def, shared_hash): New types.
6483         (dataflow_set): Change vars type from htab_t to shared_hash.
6484         (shared_hash_pool, empty_shared_hash): New variables.
6485         (vars_clear): Removed.
6486         (shared_hash_shared, shared_hash_htab, shared_hash_copy,
6487         shared_hash_find_slot_unshare, shared_hash_find_slot,
6488         shared_hash_find_slot_noinsert, shared_hash_find): New
6489         static inlines.
6490         (shared_hash_unshare, shared_hash_destroy): New functions.
6491         (unshare_variable): Unshare set->vars if shared, use
6492         shared_hash_htab.
6493         (vars_copy): Use htab_traverse_noresize instead of htab_traverse.
6494         (get_init_value, find_src_set_src, dump_dataflow_set,
6495         clobber_variable_part, emit_notes_for_differences): Use
6496         shared_hash_htab.
6497         (dataflow_set_init): Remove second argument, set vars to
6498         empty_shared_hash instead of creating a new htab.
6499         (dataflow_set_clear): Call shared_hash_destroy and set vars
6500         to empty_shared_hash instead of calling vars_clear.
6501         (dataflow_set_copy): Don't call vars_copy, instead just share
6502         the src htab with dst.
6503         (variable_union): Use shared_hash_*, use initially NO_INSERT
6504         lookup if set->vars is shared.  Don't keep slot cleared before
6505         calling unshare_variable.  Unshare set->vars if needed.
6506         Even ->refcount == 1 vars must be unshared if set->vars is shared
6507         and var needs to be modified.
6508         (variable_canonicalize): New function.
6509         (dataflow_set_union): If dst->vars is empty, just share src->vars
6510         with dst->vars and traverse with variable_canonicalize to canonicalize
6511         and unshare what is needed.
6512         (dataflow_set_different): If old_set and new_set use the same shared
6513         htab, they aren't different.  If number of htab elements is different,
6514         htabs are different.  Use shared_hash_*.
6515         (dataflow_set_destroy): Call shared_hash_destroy instead of
6516         htab_delete.
6517         (compute_bb_dataflow, emit_notes_in_bb, vt_emit_notes): Don't pass
6518         second argument to dataflow_set_init.
6519         (vt_initialize): Likewise.  Initialize shared_hash_pool and
6520         empty_shared_hash, move bb in/out initialization afterwards.
6521         Use variable_htab_free instead of NULL as changed_variables del hook.
6522         (variable_was_changed): Change type of second argument to pointer to
6523         dataflow_set.  When inserting var into changed_variables, bump
6524         refcount.  Unshare set->vars if set is shared htab and slot needs to
6525         be cleared.
6526         (set_variable_part): Use shared_hash_*, use initially NO_INSERT
6527         lookup if set->vars is shared.  Unshare set->vars if needed.
6528         Even ->refcount == 1 vars must be unshared if set->vars is shared
6529         and var needs to be modified.  Adjust variable_was_changed caller.
6530         (delete_variable_part): Use shared_hash_*.  Even ->refcount == 1
6531         vars must be unshared if set->vars is shared and var needs to be
6532         modified.  Adjust variable_was_changed caller.
6533         (emit_note_insn_var_location): Don't pool_free var.
6534         (emit_notes_for_differences_1): Initialize empty_var->refcount to 0
6535         instead of 1.
6536         (vt_finalize): Call htab_delete on empty_shared_hash->htab and
6537         free_alloc_pool on shared_hash_pool.
6538
6539 2009-06-20  Anthony Green  <green@moxielogic.com>
6540
6541         * config/moxie/sfp-machine.h (__gcc_CMPtype, CMPtype): Define.
6542         * config/moxie/moxie.h (LOAD_EXTEND_OP): Define.
6543
6544 2009-06-20  Richard Guenther  <rguenther@suse.de>
6545
6546         * tree-ssa-structalias.c (find_func_aliases): For memset use
6547         a constraint from NULL if we memset to zero.
6548         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Add builtins
6549         we explicitly handle that do not read from memory.
6550         (call_may_clobber_ref_p_1): Properly handle builtins that may
6551         set errno.
6552
6553 2009-06-20  Richard Guenther  <rguenther@suse.de>
6554
6555         PR tree-optimization/40495
6556         * tree-ssa-structalias.c (get_constraint_exp_for_temp): Remove.
6557         (new_scalar_tmp_constraint_exp): New function.
6558         (process_constraint): Do not create temporary decls.
6559         (process_all_all_constraints): Likewise.
6560         (handle_const_call): Likewise.
6561         (create_function_info_for): Do not set decl.
6562
6563 2009-06-19  Ian Lance Taylor  <iant@google.com>
6564
6565         * config/rs6000/rs6000.c (rs6000_explicit_options): Make static.
6566         (rs6000_attribute_table): Make static; move before use.
6567
6568 2009-06-19  Eric Botcazou  <ebotcazou@adacore.com>
6569
6570         * tree.c (substitute_in_expr) <COMPONENT_REF>: Tweak and reformat.
6571         <tcc_vl_exp>: Call process_call_operands on the new CALL_EXPR.
6572         Propagate the TREE_READONLY flag without overwriting it.
6573         (substitute_placeholder_in_expr) <tcc_vl_exp>: Likewise.
6574         Propagate the TREE_READONLY flag onto the result.
6575         (process_call_operands): Move around.  Use correct constant value.
6576
6577 2009-06-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6578
6579         PR target/40482
6580         * config/arm/arm.c (thumb_shiftable_const): Truncate val to 32 bits.
6581         * config/arm/arm.md: Likewise.
6582
6583 2009-06-19  Ian Lance Taylor  <iant@google.com>
6584
6585         * tree-cfg.c (gimple_redirect_edge_and_branch): Change ERROR_MARK
6586         to GIMPLE_ERROR_MARK.
6587
6588         * c-typeck.c (build_conditional_expr): Add op1_original_type and
6589         op2_original_type parameters.  Warn about using different enum types.
6590         * c-parser.c (c_parser_conditional_expression): Pass original
6591         types to build_conditional_expr.
6592         * c-tree.h (build_conditional_expr): Update declaration.
6593
6594 2009-06-19  Ian Lance Taylor  <iant@google.com>
6595
6596         * config/i386/i386.c (ix86_function_specific_save): Test that
6597         fields match values, rather than testing the values are in a
6598         certain range.
6599
6600 2009-06-19  Richard Guenther  <rguenther@suse.de>
6601
6602         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle
6603         ADDR_EXPR pointers.
6604         (ptr_derefs_may_alias_p): Likewise.
6605         (ptr_deref_may_alias_ref_p_1): New function.
6606         (ptr_deref_may_alias_ref_p): Likewise.
6607         (ref_maybe_used_by_call_p_1): Handle builtins that are not
6608         covered by looking at the ESCAPED solution.
6609         (call_may_clobber_ref_p_1): Likewise.
6610         * tree-ssa-structalias.c (get_constraint_for_ptr_offset):
6611         Handle NULL_TREE offset.  Do not produce redundant constraints.
6612         (process_all_all_constraints): New helper function.
6613         (do_structure_copy): Use it.
6614         (handle_lhs_call): Likewise.
6615         (find_func_aliases): Handle some builtins with pointer arguments
6616         and/or return values explicitly.
6617
6618 2009-06-19  Ian Lance Taylor  <iant@google.com>
6619
6620         * varasm.c (const_rtx_hash_1): Remove const qualifier from shift.
6621
6622 2009-06-19  Ian Lance Taylor  <iant@google.com>
6623
6624         * rtl.h (SUBREG_PROMOTED_UNSIGNED_P): Add cast to int.
6625
6626 2009-06-19  Ian Lance Taylor  <iant@google.com>
6627
6628         * ggc-page.c (ggc_pch_write_object): Initialize emptyBytes.
6629         * sdbout.c (sdb_debug_hooks): Initialize non-SDB_DEBUGGING_INFO
6630         version.
6631
6632         * c-decl.c (finish_decl): If -Wc++-compat, warn about
6633         uninitialized const.
6634
6635 2009-06-19  Ian Lance Taylor  <iant@google.com>
6636
6637         * dse.c (struct store_info): Rename bitmap field to bmap.  Change
6638         all uses.
6639
6640         * c-decl.c (in_struct, struct_types): Remove.
6641         (struct c_binding): Add in_struct field.
6642         (c_binding_ptr): Define type, along with VEC.
6643         (struct c_struct_parse_info): Define.
6644         (struct_parse_info): New static variable.
6645         (bind): Initialize in_struct field.
6646         (start_struct): Remove enclosing_in_struct and
6647         enclosing_struct_types parameters.  Add
6648         enclosing_struct_parse_info parameter.  Change all callers.  Set
6649         struct_parse_info rather than in_struct and struct_types.
6650         (grokfield): If -Wc++-compat and there is a symbol binding for the
6651         field name, set the in_struct flag and push it on the
6652         struct_parse_info->fields vector.
6653         (warn_cxx_compat_finish_struct): New static function.
6654         (finish_struct): Remove enclosing_in_struct and
6655         enclosing_struct_types parameters.  Add
6656         enclosing_struct_parse_info parameter.  Change all callers.  Don't
6657         set C_TYPE_DEFINED_IN_STRUCT here.  Call
6658         warn_cxx_compat_finish_struct.  Free struct_parse_info and set to
6659         parameter.  Only push on struct_types if warn_cxx_compat.
6660         (finish_enum): Only push on struct_types if warn_cxx_compat.
6661         (declspecs_add_type): Add loc parameter.  Change all callers.
6662         Change all error calls to error_at.  Pass loc, not input_location,
6663         to pedwarn calls.  Warn if -Wc++-compat and a typedef name is
6664         defined in a struct.  If -Wc++-compat and parsing a struct, record
6665         that a typedef name was used.
6666         * c-parser.c (c_parser_declspecs): Get location to pass to
6667         declspecs_add_type.
6668         (c_parser_struct_or_union_specifier): Update calls to start_struct
6669         and finish_struct.
6670         * c-tree.h (struct c_struct_parse_info): Declare.
6671         (finish_struct, start_struct): Update declarations.
6672         (declspecs_add_type): Update declaration.
6673
6674 2009-06-19  Ian Lance Taylor  <iant@google.com>
6675
6676         * c-decl.c (grokdeclarator): If -Wc++-compat, warn about a global
6677         variable with an anonymous type.
6678
6679 2009-06-19  Uros Bizjak  <ubizjak@gmail.com>
6680
6681         * see.c: Remove for real.
6682
6683 2009-06-19  Uros Bizjak  <ubizjak@gmail.com>
6684
6685         * optabs.h (enum optab_index): Add new OTI_significand.
6686         (significand_optab): Define corresponding macro.
6687         * optabs.c (init_optabs): Initialize significand_optab.
6688         * genopinit.c (optabs): Implement significand_optab using
6689         significand?f2 patterns.
6690         * builtins.c (expand_builtin_mathfn): Handle
6691         BUILT_IN_SIGNIFICAND{,F,L}.
6692         (expand_builtin): Expand BUILT_IN_SIGNIFICAND{,F,L} using
6693         expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
6694
6695         * config/i386/i386.md (significandxf2, significand<mode>2): New
6696         expanders to implement significandf, significand and significandl
6697         built-ins as inline x87 intrinsics.
6698
6699 2009-06-18  Anatoly Sokolov  <aesok@post.ru>
6700
6701         * config/avr/avr.c (avr_override_options): Remove setting value of
6702         PARAM_INLINE_CALL_COST.
6703
6704 2009-06-18  Richard Henderson  <rth@redhat.com>
6705
6706         PR 40488
6707         * tree-pass.h (TDF_ASMNAME): New.
6708         * tree-dump.c (dump_options): Add asmname.
6709         * doc/invoke.texi: Document it.
6710
6711         * tree-pretty-print.c (maybe_dump_asm_name): Merge into...
6712         (dump_decl_name): ...here.
6713         (dump_function_name): New flags arg; mind TDF_ASMNAME.
6714         (dump_generic_node): Update dump_function_name calls.
6715         (print_call_name): New flags arg; update all dump calls.
6716         * diagnostic.h (print_call_name): Update.
6717         * gimple-pretty-print.c (dump_gimple_call): Update.
6718
6719 2009-06-18  H.J. Lu  <hongjiu.lu@intel.com>
6720
6721         PR target/40470
6722         * config/i386/i386.h (CLASS_LIKELY_SPILLED_P): Add SSE_FIRST_REG.
6723
6724 2009-06-18  Diego Novillo  <dnovillo@google.com>
6725
6726         * doc/plugins.texi: Document plugin_is_GPL_compatible.
6727         * plugin.c (str_license): Declare.
6728         (try_init_one_plugin): Assert that the symbol
6729         'plugin_is_GPL_compatible' exists.
6730
6731 2009-06-18  Sergei Dyshel  <sergeid@il.ibm.com>
6732
6733         * see.c: Remove.
6734         * Makefile.in (OBJS-common): Remove see.o.
6735         (see.o): Remove.
6736         * common.opt (fsee): Mark as preserved for backward compatibility.
6737         * opts.c (common_handle_option): Add OPT_fsee to the backward
6738         compatibility section.
6739         * passes.c (init_optimization_passes, pass_see): Remove pass.
6740         * timevar.def (TV_SEE): Remove.
6741         * tree-pass.h (pass_see): Remove declaration.
6742         * doc/invoke.texi (-fsee): Remove documentation.
6743
6744 2009-06-18  Martin Jambor  <mjambor@suse.cz>
6745
6746         * tree-sra.c: Include statistics.h
6747         (sra_stats): New variable.
6748         (sra_initialize): Clear sra_stats.
6749         (create_access_replacement): Increment sra_stats.replacements.
6750         (get_access_replacement): Do not return twice.
6751         (analyze_all_variable_accesses): Increment statistics counter by the
6752         number of scalarized aggregates.
6753         (generate_subtree_copies): Increment sra_stats.subtree_copies.
6754         (sra_modify_expr): Increment sra_stats.exprs.
6755         (load_assign_lhs_subreplacements): Increment sra_stats.subreplacements.
6756         (sra_modify_assign): Increment sra_stats.exprs,
6757         sra_stats.separate_lhs_rhs_handling and sra_stats.deleted.
6758         (perform_intra_sra): Update statistics counters.
6759         * Makefile.in (tree-sra.o): Add statistics.h to dependencies.
6760
6761 2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>
6762
6763         * config/arm/arm.c (TARGET_SCALAR_MODE_SUPPORTED_P): Redefine.
6764         (arm_scalar_mode_supported_p): New function.
6765
6766 2009-06-18  Paul Brook  <paul@codesourcery.com>
6767             Sandra Loosemore  <sandra@codesourcery.com>
6768
6769         * config/arm/sfp-machine.h (_FP_NANFRAC_H, _FP_NANSIGN_H): Define.
6770         (__extendhfsf2, __truncsfhf2): Define.
6771         * config/arm/fp16.c: New file.
6772         * config/arm/t-bpabi (LIB2FUNCS_STATIC_EXTRA): Add fp16.c.
6773         * config/arm/t-symbian (LIB2FUNCS_STATIC_EXTRA):  Add fp16.c.
6774
6775 2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>
6776
6777         * doc/extend.texi (Half-Precision): New section.
6778         * doc/invoke.texi (Option Summary): List -mfp16-format.
6779         (ARM Options): List neon-fp16 as -mfpu value.  Document -mfp16-format.
6780         * config/arm/arm.opt (mfp16-format=): New.
6781         * config/arm/arm.c: Include intl.h.
6782         (TARGET_INVALID_PARAMETER_TYPE): Redefine.
6783         (TARGET_INVALID_RETURN_TYPE): Redefine.
6784         (TARGET_PROMOTED_TYPE): Redefine.
6785         (TARGET_CONVERT_TO_TYPE): Redefine.
6786         (arm_fp16_format): Define.
6787         (all_fpus): Add entry for neon-fp16.
6788         (fp_model_for_fpu): Likewise.
6789         (struct fp16_format): Declare.
6790         (all_fp16_formats): Define.
6791         (arm_init_libfuncs): Add entries for HFmode conversions and arithmetic
6792         functions.
6793         (arm_override_options): Set arm_fp16_format. Call sorry for fp16
6794         and no ldrh.
6795         (arm_legitimate_index_p): Treat HFmode like HImode.
6796         (thumb1_legitimate_address_p): Make it recognize HFmode constants.
6797         (coproc_secondary_reload_class): Special-case HFmode.
6798         (arm_print_operand): Add 'z' specifier for vld1.16/vst1.16.
6799         (arm_hard_regno_mode_ok): Allow HFmode values in VFP registers.
6800         (arm_init_fp16_builtins): New.
6801         (arm_init_builtins): Call it.
6802         (arm_invalid_parameter_type): New.
6803         (arm_invalid_return_type): New.
6804         (arm_promoted_type): New.
6805         (arm_convert_to_type).
6806         (arm_file_start): Deal with neon-fp16 as fpu_name.  Emit tag for fp16
6807         format.
6808         (arm_emit_fp16_const): New function.
6809         (arm_mangle_type): Mangle __fp16 as "Dh".
6810         * config/arm/arm.h (TARGET_VFPD32): Make it know about
6811         FPUTYPE_NEON_FP16.
6812         (TARGET_NEON_FP16): New.
6813         (TARGET_NEON): Make it know about FPUTYPE_NEON_FP16.
6814         (enum fputype): Add FPUTYPE_NEON_FP16.
6815         (enum arm_fp16_format_type): Declare.
6816         (arm_fp16_format): Declare.
6817         (LARGEST_EXPONENT_IS_NORMAL): Define.
6818         * config/arm/arm-protos.h (arm_emit_fp16_const): Declare.
6819         * config/arm/arm-modes.def (HFmode): Define.
6820         * config/arm/vfp.md: (*movhf_vfp): New.
6821         (extendhfsf2): New.
6822         (truncsfhf2): New.
6823         * config/arm/arm.md: (fpu): Add neon_fp16.
6824         (floatsihf2, floatdihf2): New.
6825         (fix_trunchfsi2, fix_trunchfdi2): New.
6826         (truncdfhf2): New.
6827         (extendhfdf2): New.
6828         (movhf): New.
6829         (*arm32_movhf): New.
6830         (*thumb1_movhf): New.
6831         (consttable_2): Add check for HFmode constants.
6832         (consttable_4): Handle HFmode constants.
6833
6834 2009-06-18  Uros Bizjak  <ubizjak@gmail.com>
6835
6836         * convert.c (convert_to_integer): Convert (int)logb() into ilogb().
6837
6838 2009-06-17  Olivier Hainque  <hainque@adacore.com>
6839
6840         * collect2.c (main): Use CONST_CAST2 to perform char ** to
6841         const char ** conversion in AIX specific section.
6842
6843 2009-06-17  H.J. Lu  <hongjiu.lu@intel.com>
6844
6845         * config/i386/i386.c (ix86_special_builtin_type): Remove
6846         UINT64_FTYPE_PINT.  Add UINT64_FTYPE_PUNSIGNED.
6847         (bdesc_special_args): Updated.
6848         (ix86_init_mmx_sse_builtins): Likewise.
6849         (ix86_expand_special_args_builtin): Likewise.
6850
6851 2009-06-17  Richard Henderson  <rth@redhat.com>
6852
6853         * tree-pretty-print.c (maybe_dump_asm_name): New.
6854         (dump_decl_name): Use it.
6855         (PRINT_FUNCTION_NAME): Merge into...
6856         (dump_function_name): ... here.  Use maybe_dump_asm_name.
6857
6858 2009-06-17  Cary Coutant  <ccoutant@google.com>
6859
6860         * dbxout.c (dbxout_source_line): Add is_stmt parameter.
6861         Change caller.
6862         * debug.c (struct gcc_debug_hooks): Change placeholder for
6863         source_line hook.
6864         (debug_nothing_int_charstar_int): Replaced by...
6865         (debug_nothing_int_charstar_int_bool): ...this.
6866         * debug.h (struct gcc_debug_hooks): Add is_stmt parameter to
6867         source_line prototype.
6868         (debug_nothing_int_charstar_int): Replaced by...
6869         (debug_nothing_int_charstar_int_bool): ...this.
6870         * defaults.h (SUPPORTS_DISCRIMINATOR): New constant.
6871         * dwarf2out.c (dwarf2out_source_line): Add is_stmt parameter.
6872         Output is_stmt operand when necessary.
6873         * final.c (final_scan_insn): Pass is_stmt to source_line debug hook.
6874         (notice_source_line): Add is_stmt parameter.
6875         * sdbout.c (sdbout_source_line): Add is_stmt parameter.
6876         * vmsdbgout.c (vmsdbgout_source_line): Add is_stmt parameter.
6877         Change callers.
6878         * xcoffout.c (xcoffout_source_line): Add is_stmt parameter.
6879         * xcoffout.h (xcoffout_source_line): Add is_stmt parameter.
6880
6881 2009-06-17  Ian Lance Taylor  <iant@google.com>
6882
6883         * expr.c (struct move_by_pieces_d): Rename from move_by_pieces.
6884         Change all uses.
6885         (struct store_by_pieces_d): Rename from store_by_pieces.  Change
6886         call uses.
6887
6888 2009-06-17  Adam Nemet  <anemet@caviumnetworks.com>
6889
6890         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS,
6891         STRIP_USELESS_TYPE_CONVERSION): Use tree_strip_nop_conversions,
6892         tree_strip_sign_nop_conversions and
6893         tree_ssa_strip_useless_type_conversions rather than stripping
6894         the operations here.
6895         (tree_strip_nop_conversions, tree_strip_sign_nop_conversions):
6896         Declare them.
6897         * gimple.h (tree_ssa_strip_useless_type_conversions): Declare it.
6898         * tree-ssa.c (tree_ssa_strip_useless_type_conversions): New function.
6899         * tree.c (tree_nop_conversion, tree_sign_nop_conversion,
6900         tree_strip_nop_conversions, tree_strip_sign_nop_conversions): New
6901         functions.
6902
6903 2009-06-17  Michael Eager  <eager@eagercon.com>
6904
6905         * config/rs6000/constraints.md (register_constraint "d"): New.
6906         * config/rs6000/dfp.md (movsd_store, extendsddd2, extendsdtd2,
6907         truncddsd2, *negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
6908         *movdd_hardfloat32, *movdd_hardfloat64_mfpgpr, *movdd_hardfloat64,
6909         *negtd2_fp, *abstd2_fpr, *nabstd2_fpr, *movtd_internal, extendddtd2,
6910         trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
6911         divtd3, *cmpdd_internal1, *cmptd_internal1, floatditd2, ftruncdd2,
6912         fixdddi2, ftrunctd2, fixtddi2): replace 'f' constraint with 'd'
6913         * config/rs6000/ppu_intrinsics.h (__mffs, __mtfsf, __mtfsfi, __fabs,
6914         __fnabs, __fmadd, __fmsub, __fnmadd, __fnmsub, __fsel, __frsqrte,
6915         __fsqrt, __fmul, __fmuls, __frsp, __fcfid, __fctid, __fctidz, __fctiw,
6916         __fctiwz): Same.
6917         * config/rs6000/rs6000.md (*extendsfdf2_fpr, *truncdfsf2_fpr,
6918         *fseldfsf4, *negdf2_fpr, *absdf2_fpr, *nabsdf2_fpr, *adddf3_fpr,
6919         *subdf3_fpr, *muldf3_fpr, *divdf3_fpr, recipdf3, fred, sqrtdf2,
6920         *fseldfdf4, *fselsfdf4, *floatsidf2_internal, *floatunssidf2_internal,
6921         *fix_truncdfsi2_internal, fix_truncdfsi2_internal_gfxopt,
6922         fix_truncdfsi2_mfpgpr, fctiwz, btruncdf2, ceildf2, floordf2, rounddf2,
6923         stfiwx, floatdidf2, fix_truncdfdi2, floatdisf2_internal1,
6924         *movdf_hardfloat32, *movdf_hardfloat64_mfpgpr, *movdf_hardfloat64,
6925         *movtf_internal, *extenddftf2_internal, trunctfdf2_internal1,
6926         trunctfdf2_internal2, trunctfsf2_fprs, fix_trunc_helper,
6927         *fix_trunctfsi2_internal, negtf2_internal, *movdi_internal32,
6928         *movdi_mfpgpr, *movdi_internal64, *movdf_update1, *movdf_update2,
6929         *cmpdf_internal1, *cmptf_internal1, *cmptf_internal2): Same.
6930         * doc/md.texi: Describe PowerPC 'd' constraint, update 'f' constraint.
6931
6932 2009-06-16  Ian Lance Taylor  <iant@google.com>
6933
6934         * profile.c (total_num_never_executed): Don't define.
6935         (compute_branch_probabilities): Don't count or print
6936         num_never_executed.
6937         (init_branch_prob): Don't set total_num_never_executed.
6938         (end_branch_prob): Don't print total_num_never_executed.
6939
6940 2009-06-17  David Daney  <ddaney@caviumnetworks.com>
6941
6942         * jump.c (cleanup_barriers): Handle case of no insns before a barrier.
6943
6944 2009-06-17  David Edelsohn  <edelsohn@gnu.org>
6945
6946         * config/rs6000/dfp.md (nabsdd2_fpr): Correct mode.
6947         (nabstd2_fpr): Same.
6948
6949 2009-06-17  Steve Ellcey  <sje@cup.hp.com>
6950
6951         * expr.c (expand_assignment): Change complex type check.
6952
6953 2009-06-17  Basile Starynkevitch  <basile@starynkevitch.net>
6954
6955         * doc/plugins.texi (Building GCC plugins): Added new section.
6956
6957 2009-06-17  Ian Lance Taylor  <iant@google.com>
6958
6959         * c-pch.c (get_ident): Don't set size of templ array.
6960         (pch_init): Don't set size of partial_pch array.
6961
6962         * c-typeck.c (digest_init): If -Wc++-compat, warn about using a
6963         string constant to intialize an array whose size is the length of
6964         the string.
6965
6966 2009-06-17  Richard Guenther  <rguenther@suse.de>
6967
6968         PR tree-optimization/40389
6969         * tree-ssa-structalias.c (handle_rhs_call): Restrict NRV case
6970         to addressable types.
6971         * gimple.c (walk_stmt_load_store_addr_ops): Likewise.
6972
6973 2009-06-17  Richard Guenther  <rguenther@suse.de>
6974
6975         PR middle-end/40460
6976         * tree-chrec.h (build_polynomial_chrec): If we cannot determine
6977         if there is no evolution of left in the loop bail out.
6978         * tree-chrec.c (chrec_fold_multiply_poly_poly): CSE one
6979         chrec_fold_multiply.
6980
6981 2009-06-16  J"orn Rennecke  <joern.rennecke@arc.com>
6982             Janis Johnson  <janis187@us.ibm.com>
6983
6984         PR target/39254
6985         * config/rs6000/rs6000.c (rs6000_emit_move): Don't emit a USE
6986         for the symbol ref of a constant that is the source of a move
6987         - nor for any other not-obvious-label-ref constants.
6988
6989 2009-06-16  Olatunji Ruwase  <tjruwase@google.com>
6990
6991         * plugin.c (position_pass): Skip newly inserted pass during list
6992         traversal to avoid repeated insertion.
6993
6994 2009-06-16  Ian Lance Taylor  <iant@google.com>
6995
6996         * vec.h (VEC_stack_alloc): Define different version if
6997         GATHER_STATISTICS is defined, to accept and ignore MEM_STAT.
6998         (DEF_VEC_ALLOC_FUNC_P_STACK): Remove MEM_STAT_DECL.
6999         (DEF_VEC_ALLOC_FUNC_O_STACK): Likewise.
7000         (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
7001
7002 2009-06-16  H.J. Lu  <hongjiu.lu@intel.com>
7003
7004         * config.gcc (extra_headers): Add ia32intrin.h for x86.
7005
7006         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_BSRSI,
7007         IX86_BUILTIN_BSRDI.  IX86_BUILTIN_RDPMC, IX86_BUILTIN_RDTSC.
7008         IX86_BUILTIN_RDTSCP.  IX86_BUILTIN_ROLQI, IX86_BUILTIN_ROLHI,
7009         IX86_BUILTIN_RORQI and IX86_BUILTIN_RORHI.
7010         (ix86_special_builtin_type): Add UINT64_FTYPE_VOID,
7011         UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
7012         INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
7013         (bdesc_special_args): Add __builtin_ia32_rdtsc and
7014         __builtin_ia32_rdtscp.
7015         (bdesc_args): Add __builtin_ia32_bsrsi, __builtin_ia32_bsrdi,
7016         __builtin_ia32_rolqi, __builtin_ia32_rolhi, __builtin_ia32_rorqi
7017         and __builtin_ia32_rorhi.
7018         (ix86_init_mmx_sse_builtins): Handle UINT64_FTYPE_VOID,
7019         UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
7020         INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
7021         (ix86_expand_args_builtin): Likewise.
7022         (ix86_expand_special_args_builtin): Likewise.
7023
7024         * config/i386/i386.md (UNSPECV_RDTSCP): New.
7025         (UNSPECV_RDTSC): Likewise.
7026         (UNSPECV_RDPMC): Likewise.
7027         (*bsr): Renamed to ...
7028         (bsr): This
7029         (*bsr_rex64): Renamed to ...
7030         (bsr_rex64): This.
7031         (rdpmc): New.
7032         (*rdpmc): Likewise.
7033         (*rdpmc_rex64): Likewise.
7034         (rdtsc): Likewise.
7035         (*rdtsc): Likewise.
7036         (*rdtsc_rex64): Likewise.
7037         (rdtscp): Likewise.
7038         (*rdtscp): Likewise.
7039         (*rdtscp_rex64): Likewise.
7040
7041         * config/i386/ia32intrin.h: New.
7042
7043         * config/i386/x86intrin.h: Include <ia32intrin.h>.
7044
7045 2009-06-16  Ian Lance Taylor  <iant@google.com>
7046
7047         * ira-build.c (copy_info_to_removed_store_destinations):
7048         Initialize parent_a.
7049
7050 2009-06-16  Ian Lance Taylor  <iant@google.com>
7051
7052         * c-decl.c (grokdeclarator): Change size_varies to bool.
7053
7054 2009-06-16  Ian Lance Taylor  <iant@google.com>
7055
7056         * sel-sched.c: Make forward declarations of move_op_hooks and
7057         fur_hooks explicitly extern.
7058
7059 2009-06-16  Ian Lance Taylor  <iant@google.com>
7060
7061         * df-problems.c (df_byte_lr_alloc): Don't set problem_data to itself.
7062         * vec.c (vec_gc_o_reserve_1): Don't set alloc to itself.
7063
7064 2009-06-16  Ian Lance Taylor  <iant@google.com>
7065
7066         * resource.c (mark_referenced_resources): Change
7067         include_delayed_effects parameter to bool.  Change all callers.
7068         (mark_end_of_function_resources): Likewise.
7069         * reorg.c (insn_references_resource_p): Likewise.
7070         (insn_sets_resource_p): Likewise.
7071         * resource.h (mark_referenced_resources): Update declaration.
7072         (mark_end_of_function_resources): Update declaration.
7073
7074 2009-06-16  David Edelsohn  <edelsohn@gnu.org>
7075
7076         * config/rs6000/aix.h (LIBSTDCXX_STATIC): Remove -lstdc++.
7077
7078 2009-06-16  David Edelsohn  <edelsohn@gnu.org>
7079
7080         * doc/install.texi (*-*-aix): Update explanation of XLC bootstrap.
7081         GCC can bootstrap on AIX with GNU Binutils 2.20.
7082
7083 2009-06-16  Ian Lance Taylor  <iant@google.com>
7084
7085         * Makefile.in (tree-vect-stmts.o): Depend upon $(TOPLEV_H).
7086
7087 2009-06-16  Ian Lance Taylor  <iant@google.com>
7088
7089         * toplev.h (floor_log2): If GCC_VERSION >= 3004, declare as static
7090         inline, not extern inline.
7091         (exact_log2): Likewise.
7092         * toplev.c (floor_log2): Only define if GCC_VERSION < 3004. Don't
7093         test CLZ_HWI.
7094         (exact_log2): Likewise, but don't test CTZ_HWI.
7095
7096 2009-06-16  Ian Lance Taylor  <iant@google.com>
7097
7098         * bitmap.c (bitmap_clear): Don't declare as inline.
7099         * gimple.c (gimplify_assign): Likewise.
7100         * tree-ssa-sccvn.c (vn_nary_op_compute_hash): Likewise.
7101         * haifa-sched.c (insn_cost): Don't declare with HAIFA_INLINE.
7102         (sched_scan_info): Remove duplicate definition.
7103
7104 2009-06-16  Ian Lance Taylor  <iant@google.com>
7105
7106         * c-common.c (skip_evaluation): Don't define.
7107         (c_inhibit_evaluation_warnings): Define global variable.
7108         (overflow_warning): Check c_inhibit_evaluation_warnings rather
7109         than skip_evaluation.
7110         (convert_and_check, warn_for_div_by_zero): Likewise.
7111         * c-common.h (skip_evaluation): Don't declare.
7112         (c_inhibit_evaluation_warnings): Declare.
7113         * c-parser.c (c_parser_typeof_specifier): Set
7114         c_inhibit_evaluation_warnings rather than skip_evaluation.
7115         (c_parser_conditional_expression): Likewise.
7116         (c_parser_binary_expression): Likewise.
7117         (c_parser_sizeof_expression): Likewise.
7118         (c_parser_alignof_expression): Likewise.
7119         * c-typeck.c (build_indirect_ref): Check
7120         c_inhibit_evaluation_warnings rather than skip_evaluation.
7121         (build_conditional_expr, build_binary_op): Likewise.
7122
7123 2009-06-16  Richard Guenther  <rguenther@suse.de>
7124
7125         * tree-ssa-alias.c (is_escape_site): Remove.
7126         * tree-ssa-alias.h (enum escape_type): Remove.
7127         (is_escape_site): Likewise.
7128         * tree-ssa-structalias.c (find_func_aliases): Handle escapes
7129         via casts and asms without deferring to is_escape_site.
7130
7131 2009-06-16  Jakub Jelinek  <jakub@redhat.com>
7132
7133         PR middle-end/40446
7134         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: Don't
7135         use gen_lowpart if op0 has complex mode.
7136
7137 2009-06-16  Richard Guenther  <rguenther@suse.de>
7138
7139         * tree-ssa-structalias.c (do_ds_constraint): Stores in global
7140         variables add them to ESCAPED.
7141         (find_func_aliases): Do not make all indirectly stored values escaped.
7142
7143 2009-06-16  Rafael Avila de Espindola  <espindola@google.com>
7144
7145         * config/i386/winnt.c (i386_pe_encode_section_info): Update call to
7146         make_decl_one_only.
7147
7148 2009-06-16  Martin Jambor  <mjambor@suse.cz>
7149
7150         PR tree-optimization/40432
7151         * tree-sra.c (sra_modify_assign): When creating VIEW_CONVERT_EXPR,
7152         check whether we need to force gimple register operand.
7153
7154 2009-06-16  Martin Jambor  <mjambor@suse.cz>
7155
7156         PR tree-optimization/40413
7157         * tree-sra.c (load_assign_lhs_subreplacements): Pass offset to
7158         build_ref_for_offset.
7159         (propagate_subacesses_accross_link): Fix a typo in a comment.
7160
7161 2009-06-16  Ira Rosen  <irar@il.ibm.com>
7162
7163         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
7164         with additional parameter.
7165         * tree-vectorizer.h (enum vect_def_type): Add new value
7166         vect_nested_cycle.
7167         (enum vect_relevant): Add comments.
7168         (vect_is_simple_reduction): Add new argument.
7169         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Add comments.
7170         Detect nested cycles.
7171         (vect_is_simple_reduction): Update documentation, add an argument to
7172         distinguish inner-loop reduction from nested cycle, detect nested
7173         cycles, fix printings and indentation, don't swap operands in case
7174         of nested cycle.
7175         (get_initial_def_for_reduction): Handle subtraction.
7176         (vect_create_epilog_for_reduction): Add new argument to specify
7177         reduction variable.
7178         (vect_finalize_reduction): Handle subtraction, fix comments.
7179         (vectorizable_reduction): Handle nested cycles. In case of nested
7180         cycle keep track of the reduction variable position. Call
7181         vect_is_simple_reduction with additional parameter. Use original
7182         statement code in reduction epilogue for nested cycle. Call
7183         vect_create_epilog_for_reduction with additional parameter.
7184         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Assert
7185         inner-loop vectorization.
7186         (vect_recog_widen_sum_pattern): Likewise.
7187         * tree-vect-stmts.c (process_use): Distinguish between nested cycles
7188         and reductions.
7189         (vect_mark_stmts_to_be_vectorized): Likewise.
7190         (vect_get_vec_def_for_operand): Handle nested cycles.
7191
7192 2009-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7193
7194         * doc/invoke.texi (Debugging Options): Fix option index entries
7195         for -fdump-statistics, -frandom-seed add entries for
7196         -fdump-tree-original, -fdump-tree-optimized, -frandom-seed.
7197         (FRV Options): Fix entries for -mTLS, -mtls.
7198         (HPPA Options): Fix entries for -mgnu-ld, -mhp-ld.
7199         (i386 and x86-64 Options): Fix entry for -mno-red-zone.
7200         (M68hc1x Options): Fix @itemx for -mnominmax.
7201         (MCore Options): Fix entry for -mno-lsim.
7202         (MMIX Options): Fix entry for -mabi=mmixware.
7203         (PDP-11 Options): Fix entry for -mbcopy-builtin.
7204
7205 2009-06-16  Basile Starynkevitch  <basile@starynkevitch.net>
7206
7207         * doc/plugins.texi (Interacting with the GCC Garbage Collector):
7208         Mention the plugin mode of gengtype.
7209         * doc/gty.texi (Source Files Containing Type Information): Likewise.
7210         * gengtype.c: Updated copyright.
7211         (plugin_files, nb_plugin_files) Added new static variables.
7212         (measure_input_list) Care about plugin_files.
7213         (write_rtx_next): Added early return in plugin mode.
7214         (create_file): Updated copyright year in generated file. Added
7215         asserts.
7216         (oprintf): Added early return if NULL outf.
7217         (get_output_file_with_visibility): Care of plugin_files.
7218         (get_output_file_name): May return null.
7219         (write_local): Added early return.
7220         (put_mangled_filename): Ditto.
7221         (finish_root_table): Added check for base_files.
7222         (write_roots): Care about null when plugins.
7223         (main): Added plugin mode.
7224
7225 2009-06-15  Ian Lance Taylor  <iant@google.com>
7226
7227         * df-problems.c (df_simulate_one_insn_forwards): Fix braces in switch.
7228         * gcov.c (read_count_file): Add braces around variables declared
7229         before label.
7230
7231         * c.opt (Wjump-misses-init): New warning.
7232         * c-opts.c (c_common_handle_option): Set warn_jump_misses_init for
7233         -Wall and -Wc++-compat if not already set.
7234         (c_common_post_options): Clear warn_jump_misses_init if it was not
7235         set.
7236         * c-decl.c (struct c_binding): Change type field to a union with
7237         new label field.  Make it the first field in the struct.  Update
7238         references to type to use u.type instead.
7239         (struct c_spot_bindings): Define.
7240         (struct c_goto_bindings): Define.
7241         (c_goto_bindings_p): Define, along with VECs.
7242         (struct c_label_vars): Define.
7243         (struct c_scope): Add has_label_bindings field.
7244         (bind_label, set_spot_bindings): New static functions.
7245         (decl_jump_unsafe, update_spot_bindings): New static functions.
7246         (update_label_decls): New static function.
7247         (pop_scope): Call update_label_decls.  Don't call c_end_vm_scope.
7248         Update binding u.label field to shadowed field.
7249         (c_binding_start_stmt_expr): New function.
7250         (c_binding_end_stmt_expr): New function.
7251         (pushdecl): Don't call c_begin_vm_scope.
7252         (make_label): Add defining and p_label_vars parameters.  Change
7253         all callers.
7254         (lookup_label): Correct test for whether a label has not yet been
7255         defined.  Call bind_label rather than bind.
7256         (warn_about_goto): New static function.
7257         (lookup_label_for_goto): New function.
7258         (declare_label): Call bind_label rather than bind.
7259         (check_earlier_gotos): New static function.
7260         (define_label): Don't give errors about jumping into statement
7261         expressions or scopes of variably modified types.  Call
7262         set_spot_bindings and check_earlier_gotos.  Call bind_label
7263         instead of bind.  Don't set label_context_stack_se or
7264         label_context_stack_vm.
7265         (c_get_switch_bindings): New function.
7266         (c_release_switch_bindings): New function.
7267         (c_check_switch_jump_warnings): New function.
7268         (start_function): Don't set label_context_stack_se or
7269         label_context_stack_vm.
7270         (finish_function): Likewise.
7271         * c-typeck.c (label_context_stack_se): Don't define.
7272         (label_context_stack_vm): Don't define.
7273         (c_finish_goto_label): Call lookup_label_for_goto rather than
7274         lookup_label.  Don't give errors about jumping into a statement
7275         expression or the scope of a variably modified type.  Don't set
7276         label_context_stack_se or label_context_stack_vm.
7277         (struct c_switch): Remove blocked_stmt_expr and blocked_vm
7278         fields.  Add bindings field.
7279         (c_start_case): Don't set deleted fields.  Set bindings field.
7280         (do_case): Rework order of tests.  Don't check blocked_stmt_expr
7281         or blocked_vm.  Call c_check_switch_jump_warnings.
7282         (c_finish_case): Don't test blocked_stmt_expr field.  Call
7283         c_release_switch_bindings.
7284         (c_begin_stmt_expr): Don't increment blocked_stmt_expr in
7285         c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
7286         set label_context_stack_se.  Call c_bindings_start_stmt_expr.
7287         (c_finish_stmt_expr): Don't decrement blocked_stmt_expr in
7288         c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
7289         set label_context_stack_se.  Call c_bindings_end_stmt_expr.
7290         (c_begin_vm_scope, c_end_vm_scope): Don't define.
7291         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR): Don't define.
7292         (C_DECL_UNDEFINABLE_STMT_EXPR): Don't define.
7293         (C_DECL_UNJUMPABLE_VM): Don't define.
7294         (C_DECL_UNDEFINABLE_VM): Don't define.
7295         (struct c_label_list): Don't define.
7296         (struct c_label_context_se): Don't define.
7297         (struct c_label_context_vm): Don't define.
7298         (struct c_spot_bindings): Declare.
7299         (c_bindings_start_stmt_expr): Declare.
7300         (c_bindings_end_stmt_expr): Declare.
7301         (lookup_label_for_goto): Declare.
7302         (c_get_switch_bindings, c_release_switch_bindings): Declare.
7303         (c_check_switch_jump_warnings): Declare.
7304         (label_context_stack_se, label_context_stack_vm): Don't declare.
7305         (c_finish_goto_label): Update declaration.
7306         (c_begin_vm_scope, c_end_vm_scope): Don't declare.
7307         * doc/invoke.texi (Option Summary): Mention -Wjump-misses-init.
7308         (Warning Options): Document -Wjump-misses-init.
7309
7310 2009-06-15  Jakub Jelinek  <jakub@redhat.com>
7311
7312         * tree-object-size.c (addr_object_size): Fix a pasto in the last
7313         change.
7314
7315 2009-06-15  Rafael Avila de Espindola  <espindola@google.com>
7316
7317         * cgraph.c (cgraph_make_node_local): Use DECL_COMDAT_GROUP.
7318
7319 2009-06-15  Aldy Hernandez  <aldyh@redhat.com>
7320
7321         * except.c (init_eh): Use BUILTINS_LOCATION when calling build_decl.
7322
7323 2009-06-15  Aldy Hernandez  <aldyh@redhat.com>
7324
7325         * tree-eh.c (lower_try_finally_switch): Initialize tf_loc.
7326
7327 2009-06-15  Rafael Avila de Espindola  <espindola@google.com>
7328
7329         * cgraphunit.c (cgraph_function_versioning,save_inline_function_body):
7330         Use DECL_COMDAT_GROUP instead of DECL_ONE_ONLY.
7331         * cgraph.c (cgraph_create_virtual_clone): Use DECL_COMDAT_GROUP.
7332         * config/i386/i386.c (ix86_file_end): Compute DECL_COMDAT_GROUP.
7333         * dwarf2asm.c (dw2_force_const_mem): Update call to
7334         make_decl_one_only.
7335         * langhooks-def.h (lhd_comdat_group, LANG_HOOKS_COMDAT_GROUP): Remove.
7336         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_COMDAT_GROUP.
7337         * langhooks.c (lhd_comdat_group): Remove.
7338         * langhooks.h (lang_hooks_for_decls): Remove comdat_group.
7339         * tree.h (DECL_COMDAT_GROUP): New.
7340         (DECL_ONE_ONLY): Use DECL_COMDAT_GROUP.
7341         (tree_decl_with_vis): Add comdat_group. Remove one_only.
7342         (make_decl_one_only): Change signature.
7343         * varasm.c (get_emutls_init_templ_addr, emutls_decl): Update call to
7344         make_decl_one_only.
7345         (make_decl_one_only): Change signature.
7346         (default_elf_asm_named_section): Use DECL_COMDAT_GROUP.
7347
7348 2009-06-15  Richard Guenther  <rguenther@suse.de>
7349
7350         PR middle-end/40439
7351         * tree.c (widest_int_cst_value): Fix bootstrap on 32bit HWI hosts.
7352
7353 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7354
7355         * tree-ssa-math-opts.c: Remove extra divide.
7356
7357 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7358
7359         * config/s390/s390.md ("bswap<mode>2"): Only available on z900.
7360
7361 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7362
7363         * passes.c: Add bswap pass.
7364         * tree-pass.h: Add pass_optimize_bswap declaration.
7365         * tree-ssa-math-opts.c: Include diagnostics.h for print_gimple_stmt.
7366         Include rtl.h, expr.h and optabs.h for optab_handler check.
7367         (struct symbolic_number, pass_optimize_bswap): New definition.
7368         (do_shift_rotate, verify_symbolic_number_p): New functions.
7369         (find_bswap_1, find_bswap, execute_optimize_bswap): New functions.
7370         (gate_optimize_bswap): New function.
7371         * tree.c (widest_int_cst_value): New function.
7372         * tree.h (widest_int_cst_value): Prototype added.
7373
7374 2009-06-14  Steven Bosscher  <steven@gcc.gnu.org>
7375
7376         * cfgcleanup.c (old_insns_match_p): Remove code to substitute
7377         REG_EQUAL/REG_EQUIV notes.
7378
7379 2009-06-14  Richard Guenther  <rguenther@suse.de>
7380
7381         PR middle-end/40389
7382         * gimple.c (walk_stmt_load_store_addr_ops): The LHS of a call
7383         has its address taken if NRV was applied and it is addressable.
7384         * tree-ssa-structalias.c (get_constraint_for_address_of): New
7385         function split out from ...
7386         (get_constraint_for_1): ... here.
7387         (handle_rhs_call): Use it to mark the return slot escaped if
7388         it is addressable and NRV was applied.
7389
7390 2009-06-13  Aldy Hernandez  <aldyh@redhat.com>
7391
7392         * config/rs6000/rs6000-protos.h (altivec_resolve_overloaded_builtin):
7393         Change first argument type to location_t.
7394         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Same.
7395         Do not set input_location.
7396         Use loc instead of input_location throughout.
7397
7398 2009-06-13  Richard Guenther  <rguenther@suse.de>
7399
7400         PR tree-optimization/40421
7401         * tree-predcom.c (should_unroll_loop_p): Remove.
7402         (tree_predictive_commoning_loop): Use can_unroll_loop_p.
7403
7404 2009-06-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
7405
7406         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
7407         Add location argument.
7408
7409 2009-06-13  Aldy Hernandez  <aldyh@redhat.com>
7410
7411         * config/alpha/alpha.c (alpha_build_builtin_va_list): Pass location to
7412         build_decl.
7413         * config/s390/s390.c (s390_build_builtin_va_list): Same.
7414         (s390_gimplify_va_arg): Pass location to create_artificial_label.
7415         * config/spu/spu-protos.h: Add location to
7416         spu_resolve_overloaded_builtin.
7417         * config/spu/spu.c (spu_build_builtin_va_list): Pass location to
7418         spu_build_builtin_va_list.
7419         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Add location
7420         argument.  Pass location to build_function_call_vec.
7421         * config/sh/sh.c (sh_build_builtin_va_list): Pass location to
7422         build_decl.
7423         (emit_fpu_switch): Same.
7424         (sh_gimplify_va_arg_expr): Pass location to create_artificial_label.
7425         * config/xtensa/xtensa.c (xtensa_build_builtin_va_list): Pass location
7426         to build_decl and create_artificial_label.
7427         (xtensa_gimplify_va_arg_expr): Same.
7428         * config/stormy16/stormy16.c (xstormy16_build_builtin_va_list): Same.
7429         (xstormy16_gimplify_va_arg_expr): Same.
7430         * config/iq2000/iq2000.c (iq2000_expand_prologue): Same.
7431         * config/arm/arm.c (arm_build_builtin_va_list): Same.
7432         * config/mips/mips.c (mips_build_builtin_va_list): Same.
7433         (mips16_build_function_stub): Same.
7434         (mips16_build_call_stub): Same.
7435
7436 2009-06-13  Richard Earnshaw  <rearnsha@arm.com>
7437
7438         PR target/40327
7439         * arm/constraints.md (Pa, Pb): New constraints.
7440         * arm/arm.md (thumb1_addsi3): Support more complex additions.  Add a
7441         split pattern to deal with them.
7442
7443 2009-06-13  Joerg Sonnenberger  <joerg@britannica.bec.de>
7444
7445         * doc/invoke.texi: Add missing option -Wp,OPTION in list,
7446         fix index entry for -Xpreprocessor.
7447
7448 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
7449
7450         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
7451         Add location argument to build_decl call.
7452         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Same.
7453         (rs6000_init_builtins): Same.
7454         (spe_init_builtins): Same.
7455         (rs6000_gimplify_va_arg): Add location argument to
7456         create_artificial_label call.
7457
7458 2009-06-12  Steven Bosscher  <steven@gcc.gnu.org>
7459
7460         * timevar.def (TV_COMBINE_STACK_ADJUST): New timevar.
7461         * combine-stack-adj.c (pass_stack_adjustments): Use it.
7462         * Makefile.in: Fix GGC dependency for gcse.o.
7463
7464 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
7465
7466         * tree-pretty-print.c (dump_generic_node): Dump column numbers.
7467         * gimple-pretty-print.c (dump_gimple_stmt): Same.
7468         * gimplify.c (gimplify_modify_expr): Set location for GIMPLE_ASSIGNs
7469         created.
7470         * c-parser.c (c_parser_binary_expression): Use current column while
7471         building binary operations.
7472         * common.opt (fshow-column): Enable by default.
7473         * tree-vrp.c (check_array_ref): Use warning_at.
7474         (check_array_bounds): Use location from call back if expr has no
7475         location.
7476         * tree.h: Add location argument to maybe_fold_*.
7477         * tree-ssa-ccp.c (ccp_fold): Pass location to maybe_fold_*.
7478         (maybe_fold_offset_to_array_ref): Add location argument and use it.
7479         (maybe_fold_offset_to_component_ref): Same.
7480         (maybe_fold_offset_to_reference): Same.
7481         (maybe_fold_offset_to_address): Same.
7482         (maybe_fold_stmt_indirect): Same.
7483         (maybe_fold_stmt_addition): Same.
7484         (fold_stmt_r): Pass location to maybe_fold_*.
7485         (fold_gimple_assign): Same.
7486         * c-tree.h: Add location argument to finish_decl,
7487         default_function_array_conversion, store_init_value.
7488         * c-decl.c (define_label): Use error_at.
7489         (c_make_fname_decl): Pass location to finish_decl.
7490         (finish_decl): New location argument.
7491         (build_compound_literal): Pass location to store_init_value.
7492         (grokdeclarator): Pass location to finish_decl.
7493         (grokfield): Same.
7494         * c-typeck.c (array_to_pointer_conversion): New location argument.
7495         (function_to_pointer_conversion): Same.
7496         (default_function_array_conversion): Same.
7497         (parser_build_unary_op): Pass location to overflow_warning.
7498         (parser_build_binary_op): Same.  Use warning_at.
7499         (build_unary_op): Pass location to array_to_pointer_conversion.
7500         (build_c_cast): Pass location to digest_init.
7501         (build_modify_expr): New location argument.
7502         (convert_for_assignment): Same.
7503         (store_init_value): Same.
7504         (digest_init): Same.
7505         (output_init_element): Pass location to digest_init and
7506         array_to_pointer_conversion.
7507         (c_finish_return): Pass location to convert_for_assignment.
7508         * gimplify.c (gimplify_conversion): Pass location to
7509         maybe_fold_offset_to_address.
7510         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Pass location
7511         to maybe_fold_stmt_addition.
7512         * c-omp.c (c_finish_omp_atomic): Pass new location to
7513         build_modify_expr.
7514         (c_finish_omp_for): Same.
7515         * c-common.c (overflow_warning): New argument.
7516         * c-common.h: New argument to build_modify_expr, overflow_warning.
7517         * c-parser.c (c_parser_declaration_or_fndef): Pass location to
7518         finish_decl.
7519         (c_parser_initializer): Pass location to
7520         default_function_array_conversion.
7521         (c_parser_initelt): Same.
7522         (c_parser_initval): Same.
7523         (c_parser_asm_operands): Same.
7524         (c_parser_expr_no_commas): Same.  Pass location to build_modify_expr.
7525         (c_parser_conditional_expression): Same.
7526         (c_parser_binary_expression): Add location info to stack.  Use it.
7527         (c_parser_unary_expression): Pass location to
7528         default_function_array_conversion, parser_build_unary_op,
7529         build_indirect_ref, c_parser_postfix_expression_after_primary.
7530         (c_parser_postfix_expression_after_primary): New location argument.
7531         Use it.
7532         (c_parser_expression_conv): Pass location to
7533         default_function_array_conversion.
7534         (c_parser_expr_list): Same.
7535         (c_parser_omp_atomic): Same.
7536         (c_parser_omp_for_loop): Same.
7537         * c-tree.h: (struct c_declarator): Add comment to id_loc.
7538         (build_array_declarator): New argument.
7539         * c-decl.c (build_array_declarator): Add location argument.
7540         (grokdeclarator): Set id_loc for cdk_array.
7541         * c-parser.c (c_parser_direct_declarator_inner): Pass location to
7542         build_array_declarator.
7543         * tree.c (build_omp_clause): Add location argument.
7544         * tree.h (OMP_CLAUSE_HAS_LOCATION): New macro.
7545         (OMP_CLAUSE_LOCATION): New macro.
7546         (struct tree_omp_clause): Add location field.
7547         (build_omp_clause): Add argument.
7548         * testsuite/gcc.dg/gomp/for-1.c: Fix column.
7549         * cp/pt.c (tsubst_omp_for_iterator): Pass location to
7550         build_omp_clause.
7551         * cp/parser.c (cp_parser_omp_var_list_no_open): Same.
7552         (cp_parser_omp_clause_collapse): Same.
7553         (cp_parser_omp_clause_default): Same.
7554         (cp_parser_omp_clause_if): Same.
7555         (cp_parser_omp_clause_nowait): Same.
7556         (cp_parser_omp_clause_num_threads): Same.
7557         (cp_parser_omp_clause_ordered): Same.
7558         (cp_parser_omp_clause_schedule): Same.
7559         (cp_parser_omp_clause_untied): Same.
7560         (cp_parser_omp_for_loop): Same.
7561         (cp_parser_omp_parallel): Pass location to c_split_parallel_clauses.
7562         * c-tree.h (c_start_case): Add location argument.
7563         (c_process_expr_stmt): Same.
7564         (c_finish_goto_*): Same.
7565         * tree-parloops.c (initialize_reductions): Pass location to
7566         build_omp_clause.
7567         (create_parallel_loop): Same.
7568         * fortran/trans-openmp.c (gfc_trans_omp_variable_list): Same.
7569         (gfc_trans_omp_reduction_list): Same.
7570         (gfc_trans_omp_clauses): Same.
7571         (gfc_trans_omp_do): Same.
7572         * c-typeck.c (c_finish_goto_label): Same.
7573         (c_finish_goto_ptr): New location argument.
7574         (c_start_case): Same.
7575         (emit_side_effect_warnings): Same.
7576         (c_process_expr_stmt): Same.
7577         (c_finish_stmt_expr): Same.
7578         (c_finish_omp_clauses): Use error_at instead of error.
7579         * gimplify.c (gimplify_adjust_omp_clauses_1): Pass location to
7580         build_omp_clause.
7581         * c-omp.c (c_split_parallel_clauses): New location argument.
7582         * tree-nested.c (convert_nonlocal_reference_stmt): Pass location
7583         to build_omp_clause.
7584         (convert_local_reference_stmt): Same.
7585         (convert_gimple_call): Same.
7586         * c-common.h (c_split_parallel_clauses): New argument.
7587         * c-parser.c (c_parser_statement_after_labels): Pass location to
7588         c_finish_goto_label.
7589         (c_parser_switch_statement): Pass location to c_start_case.
7590         (c_parser_for_statement): Pass location to c_finish_expr_stmt,
7591         and c_process_expr_stmt.
7592         (c_parser_omp_variable_list): Add location argument.
7593         (c_parser_omp_clause_collapse): Pass location to build_omp_clause.
7594         (c_parser_omp_clause_default): Same.
7595         (c_parser_omp_clause_if): Same.
7596         (c_parser_omp_clause_num_threads): Same.
7597         (-c_parser_omp_clause_ordered): Same.
7598         (c_parser_omp_clause_reduction): Pass location to
7599         c_parser_omp_variable_list.
7600         (c_parser_omp_clause_schedule): Pass location to build_omp_clause.
7601         (c_parser_omp_clause_untied): Same.
7602         (c_parser_omp_for_loop): Pass location to c_process_expr_stmt.
7603         (c_parser_omp_parallel): Pass location to c_split_parallel_clauses.
7604
7605         * c-tree.h (check_for_loop_decls, undeclared_variable,
7606         build_component_ref, build_array_ref, build_external_ref,
7607         c_expr_sizeof_expr, c_expr_sizeof_type, parser_build_unary_op,
7608         build_conditional_expr, build_compound_expr, c_cast_expr,
7609         build_c_cast, build_asm_expr, c_end_compound_stmt, c_finish_stmt_expr,
7610         c_finish_return, c_finish_omp_parallel, c_finish_omp_task): New
7611         argument.
7612         * c-semantics.c (build_stmt): Same.
7613         (build_case_label): Same.
7614         * c-decl.c (c_finish_incomplete_decl): Pass location on down.
7615         (undeclared_variable): New argument.
7616         (make_label): Same.
7617         (lookup_label): Pass location on down.
7618         (define_label): Same.
7619         (finish_decl): Same.
7620         (build_compound_literal): Same.
7621         (finish_struct): Same.
7622         (finish_function): Do not set location here.
7623         (check_for_loop_decls): New argument.
7624         * tree.c (save_expr): Set location.
7625         (build_empty_stmt): New argument.
7626         * tree.h (build_empty_stmt): New argument to build_empty_stmt.
7627         (CAN_HAVE_LOCATION_P): Make sure we have a non empty node.
7628         * builtins.c (gimplify_va_arg_expr): Use locations.
7629         (expand_builtin_sync_operation): Same.
7630         * c-typeck.c (build_component_ref): New argument.
7631         (build_array_ref): Same.
7632         (build_external_ref): Same.
7633         (c_expr_sizeof_expr): Same.
7634         (c_expr_sizeof_type): Same.
7635         (parser_build_unary_op): Same.
7636         (build_conditional_expr): Same.
7637         (build_compound_expr): Pass location on down.
7638         (build_compound_expr): New argument.
7639         (build_c_cast): Same.
7640         (c_cast_expr): Same.
7641         (build_asm_expr): Same.
7642         (c_finish_return): Same.
7643         (c_process_expr_stmt): Pass location on down.
7644         (c_finish_stmt_expr): New argument.
7645         (push_clenaup): Same.
7646         (c_finish_omp_parallel): Same.
7647         (c_finish_omp_task): Same.
7648         * gimplify.c (gimplify_call_expr): Pass location on down.
7649         * c-omp.c (c_finish_omp_master): New argument.
7650         (c_finish_omp_critical): Same.
7651         (c_finish_omp_ordered): Same.
7652         (c_finish_omp_barrier): Same.
7653         (-c_finish_omp_taskwait): Same.
7654         (c_finish_omp_atomic): Same.
7655         (c_finish_omp_flush): Same.
7656         * tree-inline.c (copy_tree_body_r): Pass location on down.
7657         (inline_forbidden_p): Remove use of input_location.
7658         * c-gimplify.c (c_build_bind_expr): New argument.
7659         * c-common.c (c_common_truthvalue_conversion): Pass location on down.
7660         (c_sizeof_or_alignof_type): New argument.
7661         (c_alignof_expr): Same.
7662         (build_va_arg): Same.
7663         (c_add_case_label): Same.
7664         * c-common.h (c_sizeof_or_alignof_type, c_alignof_expr,
7665         c_sizeof, c_alignof, build_va_arg, build_stmt, build_case_label,
7666         c_build_bind_expr, objc_build_selector_expr, objc_build_throw_stmt,
7667         c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered,
7668         c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush,
7669         c_finish_omp_taskwait, c_finish_omp_for, c_split_parallel_clauses):
7670         New argument.
7671         * stub-objc.c (objc_build_selector_expr): Same.
7672         (objc_build_throw_stmt): Same.
7673         * c-parser.c (c_parser_declaration_or_fndef): Pass location on down.
7674         (c_parser_initelt): Same.
7675         (c_parser_compound_statement): Same.
7676         (c_parser_compound_statement_nostart): Same.
7677         (c_parser_label): Same.
7678         (c_parser_statement_after_labels): Same.
7679         (c_parser_if_body): Same.
7680         (c_parser_else_body): Same.
7681         (c_parser_if_statement): Same.
7682         (c_parser_switch_statement): Same.
7683         (c_parser_while_statement): Same.
7684         (c_parser_do_statement): Same.
7685         (c_parser_for_statement): Same.
7686         (c_parser_asm_statement): Same.
7687         (c_parser_conditional_expression): Same.
7688         (c_parser_binary_expression): Same.
7689         (c_parser_cast_expression): Same.
7690         (c_parser_unary_expression): Same.
7691         (c_parser_sizeof_expression): Same.
7692         (c_parser_alignof_expression): Same.
7693         (c_parser_postfix_expression): Same.
7694         (c_parser_expression): Same.
7695         (c_parser_objc_receiver): Same.
7696         (c_parser_omp_variable_list): Same.
7697         (c_parser_omp_structured_block): Same.
7698         (c_parser_omp_atomic): New argument.
7699         (c_parser_omp_barrier): Same.
7700         (c_parser_omp_critical): Same.
7701         (c_parser_omp_flush): Pass location on down.
7702         (c_parser_omp_for_loop): New argument.
7703         (c_parser_omp_for): Same.
7704         (c_parser_omp_master): Same.
7705         (c_parser_omp_ordered): Same.
7706         (c_parser_omp_sections_scope): Same.
7707         (c_parser_omp_sections): Same.
7708         (c_parser_omp_parallel): Same.
7709         (c_parser_omp_single): Same.
7710         (c_parser_omp_task): Same.
7711         (c_parser_omp_taskwait): Pass location on down.
7712         (c_parser_omp_construct): Same.
7713         (c_parser_omp_threadprivate): Same.
7714         * dwarf2asm.c, targhooks.c, optabs.c, tree.c, tree.h, target.h,
7715         builtins.c, omp-low.c, cgraphunit.c, tree-call-cdce.c,
7716         tree-ssa-alias.c, gimple-low.c, c-tree.h, expr.c, tree-parloops.c,
7717         c-decl.c, tree-eh.c, langhooks.c, function.c, stor-layout.c,
7718         c-typeck.c, gimplify.c, c-pragma.c, expmed.c, except.c, coverage.c,
7719         emit-rtl.c, cfgexpand.c, tree-mudflap.c, varasm.c, tree-nested.c,
7720         rtl.h, tree-inline.c, tree-profile.c, c-common.c, c-common.h,
7721         tree-switch-conversion.c, tree-cfg.c, ipa-struct-reorg.c, c-parser.c,
7722         config/i386/i386.c, stmt.c:
7723         Add location argument to the following function definitions and/or
7724         function calls: build_decl, objcp_start_struct, objcp_finish_struct,
7725         start_struct, finish_struct, PUSH_FIELD, create_artificial_label,
7726         cp_make_fname_decl, pushtag, implicitly_declare, c_make_fname_decl,
7727         build_compound_literal, parser_xref_tag, resolve_overloaded_builtin,
7728         do_case, c_finish_bc_stmt, build_compound_literal,
7729         build_function_call.
7730         * c-decl.c (build_compound_literal): Add location argument.
7731         Make all diagnostic calls use location.
7732         (start_struct): Same.
7733         (finish_struct): Same.
7734         (start_enum): Same.
7735         (build_enumerator): Same.
7736         (start_function): Same.
7737         (grokdeclarator): Make all diagnostic calls use location.
7738         (store_parm_decls_oldstyle): Same.
7739         * c-typeck.c (build_function_call): Add location argument.
7740         Make all diagnostic calls use location.
7741         (do_case): Same.
7742         (c_finish_bc_stmt): Same.
7743         * tree-nested.c (get_trampoline_type): Add argument.
7744         Pass location to build_decl.
7745         (lookup_tramp_for_decl): Pass location to get_trampoline_type.
7746         * rtl.h (RTL_LOCATION): New.
7747         * c-common.c (c_add_case_label): Add location argument.
7748         Make all diagnostic calls use location.
7749         * c-common.h: Add location argument to make_fname_decl, do_case,
7750         c_add_case_label, build_function_call, resolve_overloaded_builtin.
7751         * c-parser.c (c_parser_enum_specifier): Rename ident_loc to enum_loc.
7752         Set it appropriately for every case.  Pass enum_loc to start_enum
7753         call.  Pass value_loc first to build_enumerator.  Pass enum_loc to
7754         parser_xref_tag.
7755         (c_parser_struct_or_union_specifier): Save location.  Use it for
7756         start_struct, finish_struct, and parser_xref_tag.
7757
7758 2009-06-12  Ian Lance Taylor  <iant@google.com>
7759
7760         * fold-const.c (fold_unary): Rename local variable and to and_expr.
7761
7762         * c-opts.c (c_common_handle_option): For -Wc++-compat set
7763         cpp_opts->warn_cxx_operator_names.
7764
7765 2009-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7766
7767         PR tree-opt/38865
7768         * tree-ssa-sccvn.c (visit_reference_op_load): If vn_reference_lookup
7769         is returns NULL and OP is a VCE, look through the VCE.
7770
7771 2009-06-12  Ian Lance Taylor  <iant@google.com>
7772
7773         PR bootstrap/40430
7774         * collect2.c (main): Use CONST_CAST2 in code inside #if
7775         LINK_ELIMINATE_DUPLICATE_LDIRECTORIES.
7776
7777 2009-06-12  Joey Ye  <joey.ye@intel.com>
7778
7779         PR middle-end/39146
7780         * cfgexpand.c (get_decl_align_unit): Update
7781         max_used_stack_slot_alignment with align instead of
7782         stack_alignment_needed.
7783
7784         * function.c (assign_stack_local_1): Update
7785         max_used_stack_slot_alignment with alignment_in_bits instead
7786         of stack_alignment_needed.
7787         (locate_and_pad_parm): Don't update max_used_stack_slot_alignment
7788         here.
7789
7790 2009-06-12  Jakub Jelinek  <jakub@redhat.com>
7791
7792         * dwarf2out.c (last_var_location_insn): New variable.
7793         (dwarf2out_end_epilogue): Clear last_var_location_insn.
7794         (dwarf2out_var_location): Don't record anything after last real
7795         insn.  Only change labels if there were any real instructions
7796         in between last note and this one, or if changed sections.
7797
7798 2009-06-11  Richard Henderson  <rth@redhat.com>
7799
7800         * alpha.c (alpha_expand_prologue): Add a REF_CFA_REGISTER
7801         note when storing the frame pointer in a register.
7802         (FRP): Don't redefine to nothing for epilogue.
7803         (alpha_expand_epilogue): Mark register and sp restores.
7804         (unicosmk_gen_dsib): Don't mark weird frame pointer adjust.
7805
7806         * config/alpha/alpha.c (alpha_emit_setcc): Fix test for
7807         when gen_lowpart is needed.
7808
7809 2009-06-11  Richard Henderson  <rth@redhat.com>
7810
7811         * dwarf2out.c (def_cfa_1): Likewise for DW_CFA_cfa_offset.
7812
7813         * dwarf2out.c (need_data_align_sf_opcode): New.
7814         (div_data_align): Move earlier.
7815         (def_cfa_1, reg_save): Use it.
7816
7817 2009-06-11  H.J. Lu  <hongjiu.lu@intel.com>
7818
7819         * config/i386/i386.c (OPTION_MASK_ISA_CRC32_SET): New.
7820         (OPTION_MASK_ISA_CRC32_UNSET): Likewise.
7821         (ix86_handle_option): Handle OPT_mcrc32.
7822         (ix86_target_string): Add -mcrc32.
7823         (bdesc_args): Enable crc32 builtins with OPTION_MASK_ISA_CRC32.
7824
7825         * config/i386/i386.h (TARGET_CRC32): New.
7826
7827         * config/i386/i386.md (sse4_2_crc32<mode>): Also check TARGET_CRC32.
7828         (sse4_2_crc32di): Likewise.
7829
7830         * config/i386/i386.opt (mcrc32): New.
7831
7832         * doc/invoke.texi: Document -mcrc32.
7833
7834 2009-06-11  Richard Henderson  <rth@redhat.com>
7835
7836         * common.opt (gdwarf-): Accept a version number.
7837         * doc/invoke.texi (gdwarf-): Update docs.
7838         * opth-gen.awk: Special case -gdwarf+ to OPT_gdwarfplus.
7839         * opts.c (common_handle_option) [OPT_gdwarf_]: Verify dwarf
7840         version level, and record it.
7841
7842         * dwarf2.h (DW_CIE_VERSION): Remove.
7843         * dwarf2out.c (DWARF_VERSION): Remove.
7844         (add_fde_cfi): Skip DW_CFA_set_loc addition for dwarf3.
7845         (output_call_frame_info): Use CIE version 3 for dwarf3,
7846         or if the return register column is out of range for version 1.
7847         (dwarf_stack_op_name): Add all dwarf3 values.
7848         (DEBUG_PUBTYPES_SECTION): New.
7849         (size_of_die) [dw_val_class_die_ref]: Handle DW_FORM_ref_addr
7850         encoding change for dwarf3.
7851         (output_die) [dw_val_class_die_ref]: Likewise.
7852         (output_compilation_unit_header): Emit correct version for dwarf3.
7853         (output_line_info): Likewise.
7854         (output_pubnames): Update for DWARF_VERSION removal.
7855         (output_aranges): Likewise.
7856         (gen_subprogram_die): Emit DW_OP_call_frame_cfa if emitting dwarf3.
7857         (dwarf2out_init): Don't ifdef DEBUG_PUBTYPES_SECTION.
7858         (dwarf2out_finish): Likewise.
7859
7860 2009-06-11  David Daney  <ddaney@caviumnetworks.com>
7861
7862         * system.h (gcc_assert, gcc_unreachable): Revert accidental commit
7863         in r148403.
7864
7865 2009-06-11  David Daney  <ddaney@caviumnetworks.com>
7866
7867         PR c/39252
7868         * doc/extend.texi ( __builtin_unreachable): Document new builtin.
7869         * builtins.c (expand_builtin_unreachable): New function.
7870         (expand_builtin): Handle BUILT_IN_UNREACHABLE case.
7871         * builtins.def (BUILT_IN_UNREACHABLE): Add new builtin.
7872         * cfgcleanup.c (try_optimize_cfg): Delete empty blocks with no
7873         successors.
7874         * cfgrtl.c (rtl_verify_flow_info): Handle empty blocks when
7875         searching for missing barriers.
7876
7877 2009-06-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
7878
7879         * config/darwin.h (LINK_COMMAND_SPEC): Adjust spec to link libcov
7880         when -fprofile-generate* was passed.
7881         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
7882
7883 2009-06-11  Anthony Green  <green@moxielogic.com>
7884
7885         * config/moxie/moxie.md: Define length attribute for all instructions.
7886         (rCC): Define.
7887         (*b<cond:code>): Support limited branch ranges for new PC-relative
7888         branch instructions.
7889         * config/moxie/moxie.h (HAS_LONG_UNCOND_BRANCH): Define.
7890
7891 2009-06-11  Jakub Jelinek  <jakub@redhat.com>
7892
7893         * config/i386/i386.c (min_insn_size): Use get_attr_length
7894         for normal insns other than TYPE_MULTI, TYPE_OTHER and TYPE_FCMP.
7895         For __asm return 0.
7896
7897         * config/i386/i386.c (ix86_pad_returns): Use emit_jump_insn_before
7898         instead of emit_insn_before.
7899
7900 2009-06-10  Ian Lance Taylor  <iant@google.com>
7901
7902         PR bootstrap/40408
7903         * graphite.c (add_conditions_to_domain): Change SWITCH_EXPR to
7904         GIMPLE_SWITCH.
7905
7906 2009-06-10  Revital Eres  <eres@il.ibm.com>
7907
7908         * passes.c (init_optimization_passes): Reschedule
7909         predictive-commoning pass before complete unroll pass.
7910
7911 2009-06-10  Martin Jambor  <mjambor@suse.cz>
7912
7913         * cgraph.c (cgraph_node_can_be_local_p): New function.
7914         (cgraph_make_node_local): New function.
7915         * cgraph.h (cgraph_node_can_be_local_p): Declare.
7916         (cgraph_make_node_local): Declare.
7917
7918 2009-06-10  Nathan Froyd  <froydnj@codesourcery.com>
7919
7920         * tree.h (tree_base): Add packed_flag and user_align fields.
7921         Decrease size of spare field.
7922         (TYPE_USER_ALIGN): Use user_align from tree_base.
7923         (DECL_USER_ALIGN): Likewise.
7924         (TYPE_PACKED): Use packed_flag from tree_base.
7925         (DECL_PACKED): Likewise.
7926         (tree_type): Delete packed_flag and user_align fields.  Widen
7927         precision field.  Widen mode field and shuffle fields to align
7928         mode on an 8-bit boundary.
7929         (tree_decl_common): Delete decl_flag_1 and user_align fields.
7930         Renumber decl_flag_* fields.  Fix comments.  Widen
7931         decl_common_unused field.
7932         (DECL_HAS_VALUE_EXPR_P): Adjust for renumbering of decl_flag_* fields.
7933         (DECL_EXTERNAL): Likewise.
7934         (DECL_BIT_FIELD): Likewise.
7935         (DECL_NONADDRESSABLE_P): Likewise.
7936         (TYPE_DECL_SUPRESS_DEBUG): Likewise.
7937         * config/arm/arm-modes.def (XImode): Make it an INT_MODE.
7938
7939 2009-06-10  Ian Lance Taylor  <iant@google.com>
7940
7941         * vec.h (DEF_VEC_ALLOC_I): Use DEF_VEC_NONALLOC_FUNCS_I.
7942         (DEF_VEC_ALLOC_P): Use DEF_VEC_NONALLOC_FUNCS_P.
7943         (DEF_VEC_ALLOC_O): Use DEF_VEC_NONALLOC_FUNCS_O.
7944         (DEF_VEC_ALLOC_FUNC_P): Only define VEC_OP (T,A,alloc).
7945         (DEF_VEC_NONALLOC_FUNCS_P): New macro, broken out of old
7946         DEF_VEC_ALLOC_FUNC_P.
7947         (DEF_VEC_ALLOC_FUNC_O): Only define VEC_OP (T,A,alloc).
7948         (DEF_VEC_NONALLOC_FUNCS_O): New macro, broken out of old
7949         DEF_VEC_ALLOC_FUNC_O.
7950         (DEF_VEC_ALLOC_FUNC_I): Only define VEC_OP (T,A,alloc).
7951         (DEF_VEC_NONALLOC_FUNCS_I): New macro, broken out of old
7952         DEF_VEC_ALLOC_FUNC_I.
7953         (vec_stack_p_reserve, vec_stack_p_reserve_exact): Declare.
7954         (vec_stack_p_reserve_exact_1): Declare.
7955         (vec_stack_o_reserve, vec_stack_o_reserve_exact): Declare.
7956         (vec_stack_free): Declare.
7957         (VEC_stack_alloc): Define.
7958         (DEF_VEC_ALLOC_P_STACK, DEF_VEC_ALLOC_FUNC_P_STACK): Define.
7959         (DEF_VEC_ALLOC_O_STACK, DEF_VEC_ALLOC_FUNC_O_STACK): Define.
7960         (DEF_VEC_ALLOC_I_STACK, DEF_VEC_ALLOC_FUNC_I_STACK): Define.
7961         * vec.c (void_p): New type.  Call DEF_VEC_P and DEF_VEC_ALLOC_P
7962         for void_p.
7963         (stack_vecs): New static variable.
7964         (vec_stack_p_reserve_exact_1): New function.
7965         (vec_stack_o_reserve_1): New static function.
7966         (vec_stack_p_reserve, vec_stack_p_reserve_exact): New functions.
7967         (vec_stack_o_reserve, vec_stack_o_reserve_exact): New functions.
7968         (vec_stack_free): New function.
7969         * df-scan.c (df_ref): Use DEF_VEC_P and DEF_VEC_ALLOC_P_STACK.
7970         (VEC_df_ref_stack_alloc): Define.
7971         (df_mw_hardreg_ptr): New type.  Use DEF_VEC_P and
7972         DEF_VEC_ALLOC_P_STACK.
7973         (VEC_df_mw_hardreg_ptr_stack_alloc): Define.
7974         (struct df_collection_rec): Change _vec fields to VEC.  Remove
7975         _use fields.
7976         (df_free_collection_rec): Adjust for new fields.
7977         (df_insn_rescan): Use new df_collection_rec fields.
7978         (df_notes_rescan, df_canonize_collection_rec): Likewise.
7979         (df_ref_create_structure, df_ref_record): Likewise.
7980         (df_get_conditional_uses, df_get_call_refs): Likewise.
7981         (df_insn_refs_collect, df_bb_refs_collect): Likewise.
7982         (df_bb_refs_record, df_record_entry_block_defs): Likewise.
7983         (df_record_exit_block_uses, df_bb_verify): Likewise.
7984         (df_swap_refs): Change ref_vec parameter to VEC.  Change all callers.
7985         (df_sort_and_compress_refs): Change ref_vec parameter to VEC.
7986         Remove count parameter.  Change return type to void.  Change all
7987         callers.
7988         (df_sort_and_compress_mws): Change mw_vec parameter to VEC.
7989         Remove count parameter.  Change return type to void.  Change all
7990         callers.
7991         (df_install_refs): Change old_vec parameter to VEC.  Remove count
7992         parameter.  Change all callers.
7993         (df_install_mws): Change old_vec parameter to VEC.  Remove count
7994         parameter.  Change all callers.
7995         (df_refs_verify): Change new_rec parameter to VEC.  Change call
7996         callers.
7997         (df_mws_verify): Likewise.
7998
7999 2009-06-10  Alexandre Oliva  <aoliva@redhat.com>
8000
8001         * gcc.c (compare_files): Cast munmap argumento to caddr_t.
8002
8003 2009-06-10  H.J. Lu  <hongjiu.lu@intel.com>
8004
8005         * doc/extend.texi: Add description for __builtin_ia32_crc32di.
8006
8007 2009-06-10  Anthony Green  <green@moxielogic.com>
8008
8009         * config/moxie/crti.asm: New file.
8010         * config/moxie/crtn.asm: New file.
8011         * config/moxie/moxie.c: New file.
8012         * config/moxie/moxie.h: New file.
8013         * config/moxie/sfp-machine.h: New file.
8014         * config/moxie/moxie-protos.h: New file.
8015         * config/moxie/t-moxie: Created.
8016         * config/moxie/t-moxie-softfp: Created.
8017         * config/moxie/moxie.md: Created.
8018         * config/moxie/constraints.md: Created.
8019         * config.gcc: Add moxie support.
8020         * doc/md.texi (Machine Constraints): Add moxie constraints.
8021         * doc/contrib.texi (Contributors): Mention moxie port.
8022         * doc/install.texi (Specific): Mention the moxie port.
8023
8024 2009-06-09  Ian Lance Taylor  <iant@google.com>
8025
8026         * system.h (HAVE_DESIGNATED_INITIALIZERS): Don't define if
8027         compiling with C++.
8028         * optabs.c (optab_table): Only use designated initializers if
8029         HAVE_DESIGNATED_INITIALIZERS is defined.
8030         (convert_optab_table): Likewise.
8031         (init_optabs): Always call init_insn_codes if
8032         HAVE_DESIGNATED_INITIALIZERS is not defined.
8033
8034 2009-06-09  Ian Lance Taylor  <iant@google.com>
8035
8036         * targhooks.c (default_builtin_vectorized_function): Change fn
8037         parameter to unsigned int.
8038         (default_builtin_vectorized_conversion): Change code parameter to
8039         unsigned int.
8040         (default_builtin_reciprocal): Change fn parameter to unsigned int.
8041         * targhooks.h: Update declarations.
8042         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Change code
8043         parameter to unsigned int.
8044
8045         * c-typeck.c (comptypes_check_enum_int): New static function.
8046         (comptypes_internal): Add enum_and_int_p parameter.  Change all
8047         callers.
8048         (comp_target_types): Add location parameter.  Change all callers.
8049         (tagged_types_tu_compatible_p): Add enum_and_int_p parameter.
8050         Change all callers.
8051         (function_types_compatible_p, type_lists_compatible_p): Likewise.
8052         (build_conditional_expr): Add colon_loc parameter.  Change all
8053         callers.
8054         (convert_for_assignment): Add location parameter.  Change all callers.
8055         * c-parser.c (c_parser_conditional_expression): Pass location of
8056         colon to build_conditional_expr.
8057         * c-tree.h (build_conditional_expr): Update declaration.
8058
8059 2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>
8060
8061         * graphite.c: Revert previous patch.
8062
8063 2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>
8064
8065         PR bootstrap/40103
8066         * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".
8067
8068 2009-06-09  Ghassan Shobaki  <ghassan.shobaki@amd.com>
8069
8070         * tree-ssa-loop-prefetch.c
8071         (loop_prefetch_arrays): Fixed a portability problem in printf format
8072         string.
8073
8074 2009-06-09  Martin Jambor  <mjambor@suse.cz>
8075
8076         PR tree-optimization/40351
8077         * tree-sra.c (propagate_subacesses_accross_link): Check that a
8078         refrence to a potential artifical subaccess can be constructed.
8079
8080 2009-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>
8081
8082         * config/sh/sh-protos.h (sh_optimization_options): Declare.
8083         (sh_override_options): Likewise.
8084         * config/sh/sh.c: Include params.h.
8085         (sh_optimization_options): New.
8086         (sh_override_options): Likewise.
8087         * config/sh/sh.c (OPTIMIZATION_OPTIONS): Use sh_optimization_options.
8088         (OVERRIDE_OPTIONS): Use sh_override_options.
8089
8090 2009-06-08  Jakub Jelinek  <jakub@redhat.com>
8091
8092         * dwarf2out.c (emit_cfa_remember): New variable.
8093         (add_fde_cfi): If emit_cfa_remember, recurse to add
8094         DW_CFA_remember_state first.
8095         (dwarf2out_begin_epilogue): Don't add_fde_cfi DW_CFA_remember_state,
8096         instead just set emit_cfa_remember.
8097
8098 2009-06-08  Jan Hubicka  <jh@suse.cz>
8099
8100         PR debug/40126
8101         * dwarf2out.c (dwarf2out_abstract_function): Free decl_loc_table.
8102
8103 2009-06-08  Jan Hubicka  <jh@suse.cz>
8104
8105         PR middle-end/39834
8106         * cgraphunit.c (save_inline_function_body): Do not copy transform
8107         hooks for saved inline bodies.
8108         * ipa-passes.c (do_per_function): Do not add the hoks multiple times
8109         for given function.
8110
8111 2009-06-08  Adam Nemet  <anemet@caviumnetworks.com>
8112
8113         * jump.c (returnjump_p): Handle delayed branches.  Add missing
8114         function comment.
8115
8116 2009-06-08  Jan Hubicka  <jh@suse.cz>
8117
8118         PR middle-end/40102
8119         * cgraph.c (cgraph_create_edge_including_clones): Also asume that the
8120         original node might've been modified.
8121         * tree-inline.c (copy_bb): Do not assume that all clones are the same.
8122
8123 2009-06-08  Jakub Jelinek  <jakub@redhat.com>
8124
8125         * tree-object-size.c (addr_object_size): Add OSI argument.
8126         Handle also INDIRECT_REF with SSA_NAME inside of it as base address.
8127         (compute_builtin_object_size, expr_object_size): Adjust callers.
8128         (plus_stmt_object_size): Call addr_object_size instead of
8129         compute_builtin_object_size.
8130
8131 2009-06-08  Ghassan Shobaki  <ghassan.shobaki@amd.com>
8132             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
8133
8134         * tree-ssa-loop-prefetch.c
8135         (gather_memory_references): Introduced a counter for the number of
8136         memory references.
8137         (anything_to_prefetch_p): Introduced a counter for the number of
8138         prefetches.
8139         (is_loop_prefetching_profitable): New function with a cost model
8140         for prefetching.
8141         (loop_prefetch_arrays): Use the new cost model to determine if
8142         prefetching is profitable.
8143         * params.def (MIN_INSN_TO_PREFETCH_RATIO,
8144         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
8145         * params.h (MIN_INSN_TO_PREFETCH_RATIO,
8146         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
8147         * doc/invoke.texi (MIN_INSN_TO_PREFETCT_RATIO,
8148         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
8149
8150 2009-06-08  Michael Matz  <matz@suse.de>
8151
8152         PR debug/40012
8153         * cfgexpand.c (set_rtl): Store place also in DECL_RTL, if all
8154         partitions use the same.
8155         (expand_one_var): Deal with DECL_RTL sometimes begin set also
8156         for basevars of SSA_NAMEs.
8157         (expand_used_vars): Reset TREE_USED for basevars of SSA_NAMEs,
8158         to not expand them twice.
8159         (gimple_expand_cfg): Clear DECL_RTL for those decls that have
8160         multiple places.
8161
8162 2009-06-08  Alexandre Oliva  <aoliva@redhat.com>
8163
8164         * common.opt (fcompare-debug=, fcompare-debug-second): New.
8165         (fdump-final-insns=, gtoggle): New.
8166         * doc/invoke.texi: Document them.
8167         * final.c (rest_of_clean_state): Dump final insn stream.
8168         * gcc.c (invoke_as): Hook in -fcompare-debug.
8169         (static_spec_functions): Add compare-debug-dump-opt,
8170         compare-debug-self-opt and compare-debug-auxbase-opt.
8171         (compare_debug, compare_debug_second, compare_debug_opt): New.
8172         (switches_debug_check, n_switches_debug_check): New.
8173         (debug_auxbase_opt, debug_check_temp_file): New.
8174         (process_command): Handle -fno-compare-debug, -fcompare-debug and
8175         -fcompare-debug=*.
8176         (do_self_spec): Handle arguments after switches.
8177         (do_spec_1): Add .gk extension to temp file basenames for compare.
8178         (check_live_switch): Take SWITCH_IGNORE into account, and earlier.
8179         (cc1_options): Use it instead of normal auxbase computation for
8180         the second compare-debug compilation.
8181         (compare_files): New.
8182         (main): Set up and implement compare debug mode.
8183         (compare_debug_dump_opt_spec_function): New.
8184         (compare_debug_self_opt_spec_function): New.
8185         (compare_debug_auxbase_opt_spec_function): New.
8186         * toplev.c (process_options): Handle flag_gtoggle,
8187         flag_dump_final_insns.
8188         * coverage.c (coverage_begin_output): Don't overwrite .gcno file
8189         during -fcompare-debug-second compilation.
8190
8191 2009-06-07  Ian Lance Taylor  <iant@google.com>
8192
8193         * dwarf2.h (enum dwarf_location_atom): Add INTERNAL_DW_OP_tls_addr.
8194         * dwarf2out.c (INTERNAL_DW_OP_tls_addr): Don't #define.
8195
8196         * c-common.c (c_do_switch_warnings): Don't exit early for -Wswitch
8197         with no default node.  Change warning with %H to warning_at.
8198         Don't clear warn_switch around case checking.
8199         * doc/invoke.texi (Warning Options): Clarify distinction between
8200         -Wswitch and -Wswitch-enum.
8201
8202 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8203
8204         * tree-pass.h (TODO_update_ssa_any): Document internal use only.
8205
8206 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8207
8208         * gbl-ctors.h: Add header guard.
8209
8210 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8211
8212         * tree-flow.h (make_value_handle, set_value_handle, sort_vuses,
8213         sort_vuses_heap, vn_lookup_or_add, vn_lookup_or_add_with_stmt,
8214         vn_lookup_or_add_with_vuses, vn_add, vn_add_with_vuses,
8215         vn_lookup_with_stmt, vn_lookup, vn_lookup_with_vuses): Remove
8216         prototypes for removed functions.
8217         (expressions_equal_p): Move to ...
8218         * tree-ssa-sccvn.h: ... here and ...
8219         * matrix-reorg.c: ... adjust includes.
8220
8221 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8222
8223         * ipa-struct-reorg.c (do_reorg_1): Fix whitespace in dump output.
8224
8225 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8226
8227         * c-decl.c (finish_decl): Use bool for variable was_incomplete.
8228         (finish_function): Remove erroneous whitespace.
8229
8230 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8231
8232         * tree-cfg.c (gimple_merge_blocks): Commentary typo fix.
8233         (verify_stmts): Print statement who's gimple_bb is set to a wrong BB
8234
8235 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8236
8237         * errors.c (internal_error): Commentary typo fix.
8238         * gimple-iterator.c (gsi_insert_seq_on_edge): Ditto.
8239         * tree-ssa-pre.c: Ditto.
8240
8241 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8242
8243         * basic-block.h (ENTRY_BLOCK, EXIT_BLOCK): Document that neither of
8244         them is supposed to hold actual statements.
8245
8246 2009-06-06  Ian Lance Taylor  <iant@google.com>
8247
8248         * doc/extend.texi (Attribute Syntax): Document that C++ labels on
8249         empty statements can now have attributes.
8250
8251 2009-06-05  Shujing Zhao  <pearly.zhao@oracle.com>
8252
8253         * config/mips/mips.c: Use REG_P and CONST_INT_P where applicable.
8254         * config/mips/mips.md: Ditto.
8255
8256 2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>
8257
8258         * config/rs6000/eabi.asm (__eabi_convert): Don't define if
8259         _RELOCATABLE.
8260         (__eabi_uconvert): Likewise.
8261
8262 2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>
8263
8264         * config/rs6000/ppc-asm.h: Protect auto-host.h inclusion and
8265         CFI_* definitions with IN_GCC.
8266
8267 2009-06-05  David Edelsohn  <edelsohn@gnu.org>
8268
8269         * xcoffout.h (xcoffout_source_line): Update prototype.
8270
8271 2009-06-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8272
8273         * builtins.c (do_mpc_ckconv, do_mpc_arg1): Use
8274         mpc_realref/mpc_imagref instead of MPC_RE/MPC_IM.
8275
8276 2009-06-05  Jakub Jelinek  <jakub@redhat.com>
8277
8278         PR middle-end/40340
8279         * tree-ssa-live.c (remove_unused_scope_block_p): Don't prune
8280         inlined_function_outer_scope_p blocks for artificial inlines
8281         even at -g0/-g1.
8282         * tree.c (tree_nonartificial_location): Rewrite using
8283         block_nonartificial_location.
8284
8285 2009-06-05  Revital Eres  <eres@il.ibm.com>
8286             Leehod Baruch  <leehod@il.ibm.com>
8287
8288         * expr.c (expand_assignment): Expand MISALIGNED_INDIRECT_REF.
8289         (expand_expr_real_1): Remove comment.
8290         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
8291         Vectorize misaligned access when the target supports it.
8292         (vect_supportable_dr_alignment): Check for unaligned access support.
8293         * tree-vect-stmts.c (vectorizable_store): Generate misaligned store
8294         and remove asset.
8295
8296 2009-06-05  Julian Brown  <julian@codesourcery.com>
8297
8298         * config/arm/ieee754-df.S (cmpdf2): Avoid writing below SP.
8299         * config/arm/ieee754-sf.S (cmpsf2): Likewise.
8300
8301 2009-06-05  Richard Guenther  <rguenther@suse.de>
8302
8303         PR bootstrap/40350
8304         * dwarf2out.c (dwarf2out_begin_function): Mark discriminator
8305         as possibly unused.
8306
8307 2009-06-05  Jakub Jelinek  <jakub@redhat.com>
8308
8309         * config/s390/s390.c (global_not_special_regno_p): New static inline.
8310         (save_gprs): Don't tell unwinder when a global register is saved.
8311         (s390_emit_epilogue): Emit needed epilogue unwind info.
8312
8313 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
8314
8315         * dwarf2out.c (deferred_asm_name): New.
8316         (add_name_and_src_coords_attributes): Defer creation of
8317         DW_AT_MIPS_linkage_name attribute if DECL_ASSEMBLER_NAME was not
8318         computed yet.
8319         (move_linkage_attr): New.
8320         (dwarf2out_finish): Revisit deferrals and emit attributes at the
8321         right place.
8322
8323 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
8324
8325         * tree-nested.c (finalize_nesting_tree_1): Declare the
8326         frame_decl in the binding tree.
8327
8328 2009-06-04  Cary Coutant  <ccoutant@google.com>
8329
8330         * basic-block.h (struct basic_block_def): Add discriminator field.
8331         * dbxout.c (dbxout_source_line): Add new parameter.  Change all
8332         callers.
8333         * debug.c (do_nothing_debug_hooks): Add additional entry.
8334         (debug_nothing_int_charstar_int): New function.
8335         * debug.h (struct gcc_debug_hooks): Add parameter to source_line hook.
8336         (debug_nothing_int_charstar_int): New declaration.
8337         * dwarf2out.c (dwarf2out_source_line): Add new parameter.  Write
8338         discriminator value in .loc directive.
8339         * final.c (last_discriminator): New variable.
8340         (discriminator): New variable.
8341         (final_start_function): Initialize above variables, pass current
8342         discriminator to debug hook.
8343         (notice_source_line): Check for discriminator change.
8344         * gimple-pretty-print.c (dump_bb_header): Print discriminator value.
8345         * sdbout.c (sdbout_source_line): New parameter.
8346         * tree-cfg.c (struct locus_discrim_map): New structure type.
8347         (discriminator_per_locus): New hash table.
8348         (build_gimple_cfg): Allocate and free discriminator hash table.
8349         (make_edges): Call assign_discriminator.
8350         (locus_map_hash): New function.
8351         (locus_map_eq): New function.
8352         (next_discriminator_for_locus): New function.
8353         (same_line_p): New function.
8354         (assign_discriminator): New function.
8355         (make_cond_expr_edges): Call assign_discriminator.
8356         (make_gimple_switch_edges): Likewise.
8357         (first_non_label_stmt): New function.
8358         * vmsdbgout.c (vmsdbgout_source_line): Add new parameter.  Change
8359         all callers.
8360         * xcoffout.c (xcoffout_source_line): Add new parameter.
8361
8362         * configure.ac (gcc_cv_as_discriminator): New configury check for
8363         gas support for discriminator.
8364         * configure: Regenerate.
8365         * config.in: Regenerate.
8366
8367 2009-06-04  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8368
8369         * config/arm/arm.c (thumb2_legitimate_index_p): Initialize
8370         val after checking for integers.
8371
8372 2009-06-04  Uros Bizjak  <ubizjak@gmail.com>
8373
8374         * config/i386/i386.h (X86_64_MS_REGPARM_MAX): Rename from
8375         X64_REGPARM_MAX.
8376         (REGPARM_MAX): Use X86_64_MS_REGPARM_MAX.
8377         (X86_64_MS_SSE_REGPARM_MAX): Rename from X64_SSE_REGPARM_MAX.
8378         (SSE_REGPARM_MAX): Use X86_64_MS_SSE_REGPARM_MAX.
8379         * config/i386/i386.c: Use X86_64_MS_REGPARM_MAX instead of
8380         X64_REGPARM_MAX.  Use X86_64_MS_SSE_REGPARM_MAX instead of
8381         X64_SSE_REGPARM_MAX.
8382         * config/i386/i386.md: Use X86_64_MS_SSE_REGPARM_MAX instead of
8383         X64_SSE_REGPARM_MAX.
8384
8385 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
8386
8387         * gcc.c (report_times_to_file): New.
8388         (execute): Implement it.
8389         (process_command): Support -time=.
8390         * doc/invoke.texi: Document it.
8391
8392 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
8393
8394         * tree-ssa-live.c (remove_unused_scope_block_p): Keep variables
8395         that have value exprs.
8396
8397 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
8398
8399         * dwarf2asm.c (dw2_force_const_mem): Defer creation of
8400         declarations for constants until...
8401         (dw2_output_indirect_constant_1): ... this point.
8402
8403 2009-06-04  Richard Earnshaw  <rearnsha@arm.com>
8404
8405         PR target/10242
8406         * arm.md (arm_addsi3): Don't try to split an add with an
8407         eliminable register until after reload has completed.
8408
8409 2009-06-03  Ian Lance Taylor  <iant@google.com>
8410
8411         * dummy-checksum.c (executable_checksum): Use EXPORTED_CONST.
8412         * genattrtab.c (write_length_unit_log): Likewise.
8413         * genchecksum.c (dosum): Likewise.
8414         * gengtype.c (write_rtx_next): Likewise.
8415         (finish_root_table, write_roots): Likewise.
8416         * gimple.c (gimple_ops_offset_): Likewise.
8417         * tree-nomudflap.c (gt_ggc_r_gt_tree_mudflap_h): Likewise.
8418         * config/arc/arc.c (arc_attribute_table): Likewise.
8419         * config/arm/arm.c (arm_attribute_table): Likewise.
8420         * config/avr/avr.c (avr_attribute_table): Likewise.
8421         * config/crx/crx.c (crx_attribute_table): Likewise.
8422         * config/m32r/m32r.c (m32r_attribute_table): Likewise.
8423         * config/m68hc11/m68hc11.c (m68hc11_attribute_table): Likewise.
8424         * config/mcore/mcore.c (mcore_attribute_table): Likewise.
8425         * config/rs6000/rs6000.c (rs6000_attribute_table): Likewise.
8426         * config/sh/sh.c (sh_attribute_table): Likewise.
8427         * config/sparc/sparc.c (sparc_attribute_table): Likewise.
8428         * config/spu/spu.c (spu_attribute_table): Likewise.
8429         * config/v850/v850.c (v850_attribute_table): Likewise.
8430
8431         * config/alpha/alpha.c (vms_attribute_table): Make static.
8432         * config/bfin/bfin.c (bfin_attribute_table): Likewise.
8433         * config/h8300/h8300.c (h8300_attribute_table): Likewise.
8434         * config/mips/mips.c (mips_attribute_table): Likewise.
8435
8436         * Makefile.in (dummy-checksum.o): Depend upon $(CONFIG_H) and
8437         $(SYSTEM_H).
8438         (cc1-checksum.o): Likewise.
8439
8440 2009-06-03  Steve Ellcey  <sje@cup.hp.com>
8441
8442         * config/ia64/vect.md (*movv2sf_internal): Handle big endian case.
8443
8444 2009-06-03  Jakub Jelinek  <jakub@redhat.com>
8445
8446         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Return generated
8447         insn if it is changing sp.  Use gen_add3_insn instead of
8448         conditionally gen_addsi3 and gen_adddi3.
8449         (offset_below_red_zone_p): New static inline function.
8450         (rs6000_emit_epilogue): Emit needed epilogue unwind info.
8451         Use gen_add3_insn instead of conditionally gen_addsi3 and gen_adddi3.
8452         * config/rs6000/ppc-asm.h: Include auto-host.h.
8453         (CFI_STARTPROC, CFI_ENDPROC, CFI_DEF_CFA_REGISTER, CFI_OFFSET,
8454         CFI_RESTORE): Define.
8455         * config/rs6000/crtresxgpr.asm: Add unwind info.
8456         * config/rs6000/crtresxfpr.asm: Likewise.
8457         * config/rs6000/crtresgpr.asm: Likewise.
8458         * config/rs6000/crtresfpr.asm: Likewise.
8459         * config/rs6000/crtsavgpr.asm: Likewise.
8460         * config/rs6000/crtsavfpr.asm: Likewise.
8461
8462         * dwarf2out.c (output_cfi_directive): Pass 1 instead of 0 to second
8463         argument of DWARF2_FRAME_REG_OUT macros.
8464
8465 2009-06-03  Julian Brown  <julian@codesourcery.com>
8466
8467         * config/arm/arm.c (arm_hard_regno_mode_ok): Permit values of four
8468         words or less (including TImode) in core registers.
8469
8470 2009-06-03  Richard Guenther  <rguenther@suse.de>
8471
8472         PR middle-end/40328
8473         * fold-const.c (fold_convert): Fold the build COMPLEX_EXPR.
8474
8475 2009-06-03  Andrey Belevantsev  <abel@ispras.ru>
8476
8477         * statistics.c (statistics_counter_event): Do not record event
8478         in pass dump if its number == -1.
8479         (curr_statistics_hash): Add assert that we never get passes
8480         with static number == -1.
8481
8482 2009-06-03  Richard Guenther  <rguenther@suse.de>
8483             Andrey Belevantsev  <abel@ispras.ru>
8484
8485         * cfgexpand.c (discover_nonconstant_array_refs_r): Make only
8486         non-BLKmode arrays addressable.
8487
8488 2009-06-03  Maxim Kuvyrkov  <maxim@codesourcery.com>
8489
8490         * config/m68k/linux.h (HAVE_GAS_BALIGN_AND_P2ALIGN): Move to ...
8491         * config/m68k/m68k.h: ... here.
8492         * testsuite/gcc.dg/falign-labels.c (dg-options): Don't restrict for
8493         m68k and fido.
8494
8495 2009-06-03  Martin Jambor  <mjambor@suse.cz>
8496
8497         PR tree-optimization/40323
8498         * ipa-prop.c (get_ssa_def_if_simple_copy): Break if not single
8499         assignment.
8500
8501 2009-06-03  Richard Guenther  <rguenther@suse.de>
8502
8503         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
8504         consistently.
8505
8506 2009-06-03  Shujing Zhao  <pearly.zhao@oracle.com>
8507
8508         * config/sh/predicates.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
8509         JUMP_P, CALL_P, NONJUMP_INSN_P, NOTE_P, BARRIER_P and
8510         JUMP_TABLE_DATA_P where applicable.
8511         * config/sh/sh.c: Ditto.
8512         * config/sh/sh.h: Ditto.
8513         * config/sh/sh.md: Ditto.
8514         * config/sh/symbian.c: Ditto.
8515
8516 2009-06-03  Uros Bizjak  <ubizjak@gmail.com>
8517
8518         * config/i386/driver-i386.c (describe_cache): Optimize
8519         concatenation of strings.  Use snprintf instead of sprintf.
8520         (host_detect_local_cpu): Ditto.  Ignore -march and -mtune for native
8521         target when not compiling with GCC.
8522
8523 2009-06-02  Kaz Kojima  <kkojima@gcc.gnu.org>
8524
8525         * config/sh/sh.c: Revert last change.
8526         (sh_expand_epilogue): Emit a blockage insn before the frame
8527         pointer adjustment unconditionally.
8528
8529 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
8530
8531         * config/pa/pa-hpux.h (LINK_SPEC): Remove "%<fwhole-program".
8532         * config/pa/pa-hpux10.h (LINK_SPEC): Likewise.
8533         * config/pa/pa-hpux11.h (LINK_SPEC): Likewise.
8534         * gcc.c (set_collect_gcc_options): Don't add -fwhole-program
8535         to COLLECT_GCC_OPTIONS.
8536
8537 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
8538
8539         * collect2.c (target_system_root): New variable.
8540         (main): Handle --sysroot=.
8541         (ignore_library): Strip the sysroot from the library path.
8542
8543 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
8544
8545         * Makefile.in (COLLECT2_OBJS): Add collect2-aix.o.
8546         (collect2.o): Depend on collect2-aix.h.
8547         (collect2-aix.o): New rule.
8548         * collect2-aix.h: New file.
8549         * collect2-aix.c: Likewise.
8550         * collect2.c: Include collect2-aix.h.  Don't undefine
8551         OBJECT_FORMAT_COFF if CROSS_AIX_SUPPORT is defined.
8552         Guard native includes with #ifndef CROSS_DIRECTORY_STRUCTURE.
8553         Use TARGET_AIX_VERSION instead of _AIX51.
8554         * config/rs6000/aix43.h (TARGET_AIX_VERSION): Define.
8555         * config/rs6000/aix51.h (TARGET_AIX_VERSION): Likewise.
8556         * config/rs6000/aix52.h (TARGET_AIX_VERSION): Likewise.
8557         * config/rs6000/aix53.h (TARGET_AIX_VERSION): Likewise.
8558         * config/rs6000/aix61.h (TARGET_AIX_VERSION): Likewise.
8559
8560 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
8561
8562         * collect2.c (ignore_library): Avoid premature post-increment
8563         and null deference.
8564
8565 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
8566
8567         * Makefile.in (libgcc.mvars): Add TARGET_SYSTEM_ROOT.
8568         * config/rs6000/aix.h (LINK_SYSCALLS_SPEC): Add %R to the
8569         !CROSS_DIRECTORY_STRUCTURE alternative and use it for
8570         CROSS_DIRECTORY_STRUCTURE too.
8571         (LINK_LIBG_SPEC): Likewise.
8572         (LIB_SPEC): Add %R to sysroot paths.
8573         * config/rs6000/aix43.h (CPP_SPEC): Add %R to sysroot paths.
8574         (CPLUSPLUS_CPP_SPEC, LIB_SPEC): Likewise.
8575         * config/rs6000/aix51.h: As for aix43.h.
8576         * config/rs6000/aix52.h: Likewise.
8577         * config/rs6000/aix53.h: Likewise.
8578         * config/rs6000/aix61.h: Likewise.
8579         * config/rs6000/t-aix52 (SHLIB_LINK): Add $(TARGET_SYSTEM_ROOT)
8580         to the beginning of sysroot paths.
8581
8582 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
8583
8584         * print_rtl (print_rtx): Don't print modes in EXPR_LISTs and
8585         INSN_LISTs that are out of the REG_NOTE range.
8586
8587 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
8588
8589         * loop-unroll.c (struct iv_to_split): Add pointer to next.
8590         (struct var_to_expand): Likewise.
8591         (struct opt_info): Add head and tail for linked lists of the above.
8592         (analyze_insn_to_expand_var): Initialize next.
8593         (analyze_iv_to_split_insn): Likewise.
8594         (analyze_insns_in_loop): Create linked lists.
8595         (allocate_basic_variable): Simplify for use without hash table.
8596         (insert_var_expansion_initialization): Likewise, make it type-safer.
8597         (combine_var_copies_in_loop_exit): Likewise.
8598         (apply_opt_in_copies): Walk lists rather than hash tables.
8599         (release_var_copies): Simplified and inlined by hand into...
8600         (free_opt_info): ... this function.
8601
8602 2009-06-02  Richard Guenther  <rguenther@suse.de>
8603
8604         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
8605         for field decls.
8606
8607 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
8608
8609         * cfgexpand.c (gimple_expand_cfg): Discard the source location
8610         only for builtins that are not overridden.
8611
8612 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
8613
8614         * gengtype.c (adjust_field_rtx_def): Add NOTE_INSN_DELETED_LABEL's
8615         label string.
8616
8617 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
8618
8619         * df-core.c (df_ref_debug): Honor -fdump-noaddr.
8620
8621 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
8622
8623         * combine.c (move_deaths): Compare LUIDs within the same BB only.
8624
8625 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
8626
8627         * common.opt (fdump-unnumbered-links): New.
8628         * doc/invoke.texi (-fdump-unnumbered-links): Document it.
8629         * print-rtl.c (flag_dump_unnumbered_links): New.
8630         (print_rtx): Test it.
8631
8632 2009-06-02  Richard Earnshaw  <rearnsha@arm.com>
8633
8634         * arm.c (arm_get_frame_offsets): Prefer using r3 for padding a
8635         push/pop multiple to 8-byte alignment.
8636
8637 2009-06-01  Jakub Jelinek  <jakub@redhat.com>
8638
8639         * config/i386/i386.c (queued_cfa_restores): New static variable.
8640         (ix86_add_cfa_restore_note, ix86_add_queued_cfa_restore_notes): New
8641         functions.
8642         (pro_epilogue_adjust_stack): Call ix86_add_queued_cfa_restore_notes.
8643         (ix86_emit_restore_reg_using_pop): Add RED_OFFSET argument.
8644         Set RTX_FRAME_RELATED_P immediately after adding a REG_CFA_* note.
8645         Call ix86_add_cfa_restore_note instead of adding REG_CFA_OFFSET
8646         note unconditionally.
8647         (ix86_emit_restore_regs_using_mov): Likewise.
8648         (ix86_emit_restore_sse_regs_using_mov): Likewise.
8649         (ix86_emit_restore_regs_using_pop): Add RED_OFFSET argument, pass
8650         it through to ix86_emit_restore_reg_using_pop.
8651         (ix86_emit_leave): Add RED_OFFSET argument.  Call
8652         ix86_add_queued_cfa_restore_notes.  Call ix86_add_cfa_restore_note
8653         instead of adding REG_CFA_OFFSET note unconditionally.
8654         (ix86_expand_epilogue): Compute RED_OFFSET, pass it down to
8655         the above functions.  Call ix86_add_queued_cfa_restore_notes when
8656         needed.
8657
8658         * dwarf2out.c (dwarf2out_cfi_label): Add FORCE argument, if true,
8659         force output of the label even for dwarf2out_do_cfi_asm.
8660         (add_fde_cfi): If -g2 and above and cfi might change CFA,
8661         force creation of CFI label and chain DW_CFA_set_loc jumping to it
8662         for convert_cfa_to_fb_loc_list.  Adjust other dwarf2out_cfi_label
8663         caller.
8664         (dwarf2out_stack_adjust, dwarf2out_frame_debug,
8665         dwarf2out_begin_epilogue, dwarf2out_frame_debug_restore_state): Adjust
8666         dwarf2out_cfi_label callers.
8667         * tree.h (dwarf2out_cfi_label): Adjust prototype.
8668         * config/arm/arm.c (thumb_pushpop, thumb1_output_function_prologue):
8669         Adjust dwarf2out_cfi_label callers.
8670         * config/vax/vax.c (vax_output_function_prologue): Likewise.
8671
8672         * config/i386/i386.h (struct machine_cfa_state,
8673         struct machine_function): Guard with ifndef USED_FOR_TARGET
8674         instead of not IN_LIBGCC2 and not in IN_TARGET_LIBS.
8675
8676         PR other/40024
8677         * emutls.c (__emutls_get_address): Change arr->size to mean number
8678         of allocated arr->data entries instead of # of slots + 1.
8679
8680         PR middle-end/40316
8681         * recog.c (peep2_reinit_state): New function.
8682         (peephole2_init_state): Use it at the end of a basic block and also
8683         when seeing a RTX_FRAME_RELATED_P insn.
8684
8685 2009-06-01  Steve Ellcey  <sje@cup.hp.com>
8686
8687         * ia64.md (floatdirf2, fix_truncrfdi, floatunsdirf,
8688         fixuns_truncrfdi2): New.
8689         (fix_truncxfdi2_alts, fixuns_truncxfdi2_alts,
8690         *nmaddsf4_alts, *nmadddf4_alts, *nmadddf4_truncsf_alts,
8691         *mulxf3_alts, *mulxf3_truncsf_alts, *mulxf3_truncdf_alts,
8692         *maddxf4_alts, *maddxf4_alts_truncsf, *maddxf4_alts_truncdf,
8693         *nmaddxf4_alts, *nmaddxf4_truncsf_alts, *nmaddxf4_truncdf_alts,
8694         *recip_approx): Remove.
8695         (divsi3 modsi3, udivsi3, umodsi3, divsi3_internal, divdi3,
8696         moddi3, udivdi3, umoddi3, divdi3_internal_lat, divdi3_internal_thr,
8697         divsf3, sqrtsf2, divdf3, sqrtdf2, divxf3, sqrtxf2): Modify and
8698         move to div.md.
8699         * div.md (fix_truncrfdi2_alts, fixuns_truncrfdi2_alt,
8700         setf_exp_rf): New.
8701
8702 2009-06-01  Ian Lance Taylor  <iant@google.com>
8703
8704         * attribs.c (register_attribute): Use CONST_CAST.
8705         * collect2.c (main): Use CONST_CAST2.
8706         (scan_prog_file): Likewise.
8707         * gcc.c (process_command, main): Likewise.
8708         * toplev.c (toplev_main): Likewise.
8709
8710         * c-typeck.c (handle_warn_cast_qual): New static function,
8711         partially broken out of build_c_cast.
8712         (build_c_cast): Call handle_warn_cast_qual.
8713         * doc/invoke.texi (Warning Options): Document new effect of
8714         -Wcast-qual.
8715
8716 2009-06-01  Aldy Hernandez  <aldyh@redhat.com>
8717
8718         * diagnostic.c (diagnostic_build_prefix): Always print columns.
8719         (diagnostic_report_current_module): Print columns.
8720         * common.opt (flag_show_column): Enable by default.
8721
8722 2009-06-01  Luis Machado  <luisgpm@br.ibm.com>
8723
8724         * alias.c (find_base_term): Check for NULL term before returning.
8725
8726 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
8727
8728         Revert due to PR40320:
8729         2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
8730         * calls.c (emit_library_call_value_1): Don't force_operand for move
8731         and push insns.
8732
8733 2009-06-01  Olivier Hainque  <hainque@adacore.com>
8734             Eric Botcazou  <ebotcazou@adacore.com>
8735
8736         * tree.h (CONSTRUCTOR_BITFIELD_P): True if NODE, a FIELD_DECL, is
8737         to be processed as a bitfield for constructor output purposes.
8738         * output.h (initializer_constant_valid_for_bitfield_p): Declare
8739         new function.
8740         * varasm.c (oc_local_state): New type, output_constructor
8741         local state to support communication with helpers.
8742         (oc_outer_state): New type, output_constructor outer state of
8743         relevance in recursive calls.
8744         (output_constructor_array_range): New output_constructor helper,
8745         extracted code for an array range element.
8746         (output_constructor_regular_field): New output_constructor helper,
8747         extracted code for an element that is not a bitfield.
8748         (output_constructor_bitfield): New output_constructor helper,
8749         extracted code for a bitfield element.  Accept an OUTER state
8750         argument for recursive processing.  Recurse on record or array
8751         CONSTRUCTOR values, possibly past noop conversions.
8752         (initializer_constant_valid_for_bitfield_p): New predicate.  Whether
8753         VALUE is a valid constant-valued expression for use in a static
8754         bit-field initializer.
8755         (output_constructor): Rework to use helpers.  Accept and honor an
8756         OUTER state argument for recursive calls.  Return total size.  Be
8757         prepared for nested constructors initializing bitfields.
8758         (output_constant): Feed OUTER in calls to output_constructor.
8759
8760 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
8761
8762         * calls.c (emit_library_call_value_1): Don't force_operand for move
8763         and push insns.
8764
8765 2009-06-01  Nick Clifton  <nickc@redhat.com>
8766
8767         * doc/invoke.texi (IA-64 Options): Fix typo.
8768
8769 2009-06-01  Ira Rosen  <irar@il.ibm.com>
8770
8771         PR tree-optimization/39129
8772         * tree-vect-loop-manip.c (conservative_cost_threshold): Change the
8773         printed message.
8774         (vect_do_peeling_for_loop_bound): Use
8775         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
8776         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
8777         (vect_loop_versioning): Likewise.
8778         (vect_create_cond_for_alias_checks): Fix indentation.
8779         * tree-vectorizer.h (struct _loop_vec_info): Fix indentation of the
8780         macros.
8781         (LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT): Define.
8782         (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Likewise.
8783         * tree-vect-loop.c (vect_analyze_loop_form): Change "too many BBs" to
8784         "control flow in loop".
8785         (vect_estimate_min_profitable_iters): Use
8786         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
8787         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
8788         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
8789         (vect_create_data_ref_ptr): Don't mention array dimension in printing.
8790         * tree-vect-stmts.c (vectorizable_store): Replace the check that the
8791         statement belongs to a group of strided accesses with the exact code
8792         check.
8793         (vectorizable_load): Likewise.
8794         * tree-vect-slp.c (vect_analyze_slp_instance): Spell out "basic block".
8795         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
8796
8797 2009-06-01  Gerald Pfeifer  <gerald@pfeifer.com>
8798
8799         * config/freebsd-stdint.h: New file.
8800         * config.gcc (*-*-freebsd): Set use_gcc_stdint=wrap.
8801         Add freebsd-stdint.h to tm_file.
8802
8803 2009-06-01  Richard Earnshaw  <rearnsha@arm.com>
8804
8805         * arm/thumb2.md (thumb2_zero_extendhidi2): New insn and split.
8806         (thumb2_extendhidi2): Likewise.
8807
8808 2009-05-31  Ian Lance Taylor  <iant@google.com>
8809
8810         * regstat.c (regstat_n_sets_and_refs): Remove duplicate definition.
8811
8812 2009-05-31  Ian Lance Taylor  <iant@google.com>
8813
8814         * Makefile.in (except.o): Depend upon gt-except.h, not gt-$(EXCEPT_H).
8815         (ipa-cp.o): Depend upon $(FIBHEAP_H) and $(PARAMS_H).
8816         (ipa-reference.o): Depend upon gt-ipa-reference.h.
8817
8818 2009-05-31  Jason Merrill  <jason@redhat.com>
8819
8820         * tree-pretty-print.c (print_call_name): Take the callee, not the
8821         call itself.  Make non-static.  Use dump_function_name for functions.
8822         (dump_generic_node): Adjust.
8823         * diagnostic.h: Declare print_call_name.
8824         * gimple-pretty-print.c (dump_gimple_call): Use it.
8825
8826 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
8827
8828         * config/sh/sh.md (ashldi3_std): New define_expand.
8829         (ashldi3): Use it.
8830
8831 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
8832
8833         PR target/40313
8834         * config/sh/sh.c: Include debug.h.
8835         (sh_expand_epilogue): Emit a blockage insn before the frame
8836         pointer adjustment also when dwarf2out_do_frame returns true.
8837
8838 2009-05-31  Richard Earnshaw  <rearnsha@arm.com>
8839
8840         * arm/thumb2.md (thumb2_extendsidi2): Add a split sub-pattern.
8841         (thumb2_extendqidi2): New pattern.
8842
8843 2009-05-31  Ira Rosen  <irar@il.ibm.com>
8844
8845         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1): Don't
8846         mark phis for renaming.
8847         * tree-vectorizer.c (vect_memsyms_to_rename): Remove.
8848         (vectorize_loops): Don't allocate and free vect_memsyms_to_rename.
8849         Call mark_sym_for_renaming.
8850         * tree-vectorizer.h (vect_memsyms_to_rename): Remove.
8851         * tree-vect-loop.c (vect_transform_loop): Remove
8852         vect_memsyms_to_rename initialization and a call to
8853         mark_set_for_renaming.
8854
8855 2009-05-31  Jakub Jelinek  <jakub@redhat.com>
8856
8857         PR middle-end/40304
8858         * config/i386/i386.c (pro_epilogue_adjust_stack): Mark insns
8859         frame related even if !set_cfa && style < 0.
8860
8861 2009-05-30  Kai Tietz  <kai.tietz@onevision.com>
8862
8863         * config/i386/mingw-tls.c: New file.
8864         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Add mingw-tls.c file.
8865         * gthr-win32.h (MINGW32_SUPPORTS_MT_EH): Define it for targets
8866         defining _WIN32 but not __CYGWIN__.
8867
8868 2009-05-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8869
8870         * configure.ac: Add MPC support.
8871
8872         * config.in, configure: Regenerate.
8873
8874 2009-05-29  Richard Henderson  <rth@redhat.com>
8875
8876         * cfgcleanup.c (try_crossjump_to_edge): Only skip past
8877         NOTE_INSN_BASIC_BLOCK.
8878         * cfglayout.c (duplicate_insn_chain): Copy epilogue insn marks.
8879         Duplicate NOTE_INSN_EPILOGUE_BEG notes.
8880         * cfgrtl.c (can_delete_note_p): Allow NOTE_INSN_EPILOGUE_BEG
8881         to be deleted.
8882         * dwarf2out.c (struct cfa_loc): Change indirect field to bitfield,
8883         add in_use field.
8884         (add_cfi): Disable check redefining cfa away from drap.
8885         (lookup_cfa_1): Add remember argument; handle remember/restore.
8886         (lookup_cfa): Pass remember argument.
8887         (cfa_remember): New.
8888         (compute_barrier_args_size_1): Remove sibcall check.
8889         (dwarf2out_frame_debug_def_cfa): New.
8890         (dwarf2out_frame_debug_adjust_cfa): New.
8891         (dwarf2out_frame_debug_cfa_offset): New.
8892         (dwarf2out_frame_debug_cfa_register): New.
8893         (dwarf2out_frame_debug_cfa_restore): New.
8894         (dwarf2out_frame_debug): Handle REG_CFA_* notes.
8895         (dwarf2out_begin_epilogue): New.
8896         (dwarf2out_frame_debug_restore_state): New.
8897         (dw_cfi_oprnd1_desc): Handle DW_CFA_remember_state,
8898         DW_CFA_restore_state.
8899         (output_cfi_directive): Likewise.
8900         (convert_cfa_to_fb_loc_list): Likewise.
8901         (dw_cfi_oprnd1_desc): Handle DW_CFA_restore.
8902         * dwarf2out.h: Update.
8903         * emit-rtl.c (try_split): Don't split RTX_FRAME_RELATED_P.
8904         (copy_insn_1): Early out for null.
8905         * final.c (final_scan_insn): Call dwarf2out_begin_epilogue
8906         and dwarf2out_frame_debug_restore_state.
8907         * function.c (prologue, epilogue, sibcall_epilogue): Remove.
8908         (prologue_insn_hash, epilogue_insn_hash): New.
8909         (free_after_compilation): Adjust freeing accordingly.
8910         (record_insns): Create hash table if needed; push insns into
8911         hash instead of array.
8912         (maybe_copy_epilogue_insn): New.
8913         (contains): Search hash table instead of array.
8914         (sibcall_epilogue_contains): Remove.
8915         (thread_prologue_and_epilogue_insns): Split eh_return insns
8916         and mark them as epilogues.
8917         (reposition_prologue_and_epilogue_notes): Rewrite epilogue
8918         scanning in terms of basic blocks.
8919         * insn-notes.def (CFA_RESTORE_STATE): New.
8920         * jump.c (returnjump_p_1): Accept EH_RETURN.
8921         (eh_returnjump_p_1, eh_returnjump_p): New.
8922         * reg-notes.def (CFA_DEF_CFA, CFA_ADJUST_CFA, CFA_OFFSET,
8923         CFA_REGISTER, CFA_RESTORE): New.
8924         * rtl.def (EH_RETURN): New.
8925         * rtl.h (eh_returnjump_p, maybe_copy_epilogue_insn): Declare.
8926
8927         * config/bfin/bfin.md (UNSPEC_VOLATILE_EH_RETURN): Remove.
8928         (eh_return_internal): Use eh_return rtx; split w/ epilogue.
8929
8930         * config/i386/i386.c (gen_push): Update cfa state.
8931         (pro_epilogue_adjust_stack): Add set_cfa argument.  When true,
8932         add a CFA_ADJUST_CFA note.
8933         (ix86_dwarf_handle_frame_unspec): Remove.
8934         (ix86_expand_prologue): Update cfa state.
8935         (ix86_emit_restore_reg_using_pop): New.
8936         (ix86_emit_restore_regs_using_pop): New.
8937         (ix86_emit_leave): New.
8938         (ix86_emit_restore_regs_using_mov): Add CFA_RESTORE notes.
8939         (ix86_expand_epilogue): Add notes for unwinding the epilogue.
8940         * config/i386/i386.h (struct machine_cfa_state): New.
8941         (ix86_cfa_state): New.
8942         * config/i386/i386.md (UNSPEC_EH_RETURN): Remove.
8943         (eh_return_internal): Merge from eh_return_<mode>,
8944         use eh_return rtx, split w/ epilogue.
8945
8946 2009-05-29  Ian Lance Taylor  <iant@google.com>
8947
8948         * builtins.c (validate_gimple_arglist): Don't use va_arg with
8949         enum type.
8950         * calls.c (emit_library_call_value_1): Likewise.
8951
8952         * c-typeck.c (c_build_va_arg): New function.
8953         * c-tree.h (c_build_va_arg): Declare.
8954         * c-parser.c (c_parser_postfix_expression): Call c_build_va_arg
8955         instead of build_va_arg.
8956
8957 2009-05-29  Eric Botcazou  <ebotcazou@adacore.com>
8958
8959         * tree-ssa-loop-ivopts.c (strip_offset_1) <MULT_EXPR>: New case.
8960         (force_expr_to_var_cost) <NEGATE_EXPR>: Likewise.
8961         (ptr_difference_cost): Use affine combinations to compute it.
8962         (difference_cost): Likewise.
8963         (get_computation_cost_at): Compute more accurate cost for addresses
8964         if the ratio is a multiplier allowed in addresses.
8965         For non-addresses, consider that an additional offset or symbol is
8966         added only once.
8967
8968 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
8969
8970         * config/i386/i386.c (ix86_decompose_address): Avoid useless
8971         0 displacement.  Add 0 displacement if base is %[er]bp or %r13.
8972
8973         * config/i386/i386.md (prefix_data16, prefix_rep): Set to 0 for
8974         TYPE_SSE{MULADD,4ARG,IADD1,CVT1} by default.
8975         (prefix_rex): For UNIT_MMX don't imply the prefix by default
8976         if MODE_DI.
8977         (prefix_extra): Default to 2 for TYPE_SSE{MULADD,4ARG} and
8978         to 1 for TYPE_SSE{IADD1,CVT1}.
8979         (prefix_vex_imm8): Removed.
8980         (length_vex): Only pass 1 as second argument to
8981         ix86_attr_length_vex_default if prefix_extra is 0.
8982         (modrm): For TYPE_INCDEC only set to 0 if not TARGET_64BIT.
8983         (length): For prefix vex computation use length_immediate
8984         attribute instead of prefix_vex_imm8.
8985         (cmpqi_ext_3_insn, cmpqi_ext_3_insn_rex64,
8986         addqi_ext_1, addqi_ext_1_rex64, *testqi_ext_0, andqi_ext_0,
8987         *andqi_ext_0_cc, *iorqi_ext_0, *xorqi_ext_0, *xorqi_cc_ext_1,
8988         *xorqi_cc_ext_1_rex64): Override modrm attribute to 1.
8989         (extendsidi2_rex64, extendhidi2, extendqidi2, extendhisi2,
8990         *extendhisi2_zext, extendqihi2, extendqisi2, *extendqisi2_zext): Emit
8991         a space in between the operands.
8992         (*anddi_1_rex64, *andsi_1): Likewise.  Override prefix_rex to 1
8993         if one operand is 0xff and the other one si, di, bp or sp.
8994         (*andhi_1): Override prefix_rex to 1 if one operand is 0xff and the
8995         other one si, di, bp or sp.
8996         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Add mode attribute.
8997         (*ffssi_1, *ffsdi_1, ctzsi2, ctzdi2): Add
8998         type and mode attributes.
8999         (*bsr, *bsr_rex64, *bsrhi): Add type attribute.
9000         (*cmpfp_i_mixed, *cmpfp_iu_mixed): For TYPE_SSECOMI, clear
9001         prefix_rep attribute and set prefix_data16 attribute iff MODE_DF.
9002         (*cmpfp_i_sse, *cmpfp_iu_sse): Clear prefix_rep attribute and set
9003         prefix_data16 attribute iff MODE_DF.
9004         (*movsi_1): For TYPE_SSEMOV MODE_SI set prefix_data16 attribute.
9005         (fix_trunc<mode>di_sse): Set prefix_rex attribute.
9006         (*adddi_4_rex64, *addsi_4): Use const128_operand instead of
9007         constm128_operand in length_immediate computation.
9008         (*addhi_4): Likewise.  Fix mode attribute to MODE_HI.
9009         (anddi_1_rex64): Use movzbl/movzwl instead of movzbq/movzwq.
9010         (*avx_ashlti3, sse2_ashlti3, *avx_lshrti3, sse2_lshrti3): Set
9011         length_immediate attribute to 1.
9012         (x86_fnstsw_1, x86_fnstcw_1, x86_fldcw_1): Fix length attribute.
9013         (*movdi_1_rex64): Override prefix_rex or prefix_data16 attributes
9014         for certain alternatives.
9015         (*movdf_nointeger, *movdf_integer_rex64, *movdf_integer): Override
9016         prefix_data16 attribute if MODE_V1DF.
9017         (*avx_setcc<mode>, *sse_setcc<mode>, *sse5_setcc<mode>): Set
9018         length_immediate to 1.
9019         (set_got_rex64, set_rip_rex64): Remove length attribute, set
9020         length_address to 4, set mode attribute to MODE_DI.
9021         (set_got_offset_rex64): Likewise.  Set length_immediate to 0.
9022         (fxam<mode>2_i387): Set length attribute to 4.
9023         (*prefetch_sse, *prefetch_sse_rex, *prefetch_3dnow,
9024         *prefetch_3dnow_rex): Override length_address attribute.
9025         (sse4_2_crc32<mode>): Override prefix_data16 and prefix_rex
9026         attributes.
9027         * config/i386/predicates.md (ext_QIreg_nomode_operand): New predicate.
9028         (constm128_operand): Removed.
9029         * config/i386/i386.c (memory_address_length): For
9030         disp && !index && !base in 64-bit mode account for SIB byte if
9031         print_operand_address can't optimize disp32 into disp32(%rip)
9032         and UNSPEC doesn't imply (%rip) addressing.  Add 1 to length
9033         for fs: or gs: segment.
9034         (ix86_attr_length_immediate_default): When checking if shortform
9035         is possible, truncate immediate to the length of the non-shortened
9036         immediate.
9037         (ix86_attr_length_address_default): Ignore MEM_P operands
9038         with X constraint.
9039         (ix86_attr_length_vex_default): Only check for DImode on
9040         GENERAL_REG_P operands.
9041         * config/i386/sse.md (<sse>_comi, <sse>_ucomi): Clear
9042         prefix_rep attribute, set prefix_data16 attribute iff MODE_DF.
9043         (sse_cvttps2pi): Clear prefix_rep attribute.
9044         (sse2_cvttps2dq, *sse2_cvtpd2dq, sse2_cvtps2pd): Clear prefix_data16
9045         attribute.
9046         (*sse2_cvttpd2dq): Don't clear prefix_rep attribute.
9047         (*avx_ashr<mode>3, ashr<mode>3, *avx_lshr<mode>3, lshr<mode>3,
9048         *avx_ashl<mode>3, ashl<mode>3): Set length_immediate attribute to 1
9049         iff operand 2 is const_int_operand.
9050         (*vec_dupv4si, avx_shufpd256_1, *avx_shufpd_<mode>,
9051         sse2_shufpd_<mode>): Set length_immediate attribute to 1.
9052         (sse2_pshufd_1): Likewise.  Set prefix attribute to maybe_vex
9053         instead of vex.
9054         (sse2_pshuflw_1, sse2_pshufhw_1): Set length_immediate to 1 and clear
9055         prefix_data16.
9056         (sse2_unpckhpd, sse2_unpcklpd, sse2_storehpd, *vec_concatv2df): Set
9057         prefix_data16 attribute for movlpd and movhpd instructions.
9058         (sse2_loadhpd, sse2_loadlpd, sse2_movsd): Likewise.  Override
9059         length_immediate for shufpd instruction.
9060         (sse2_movntsi, sse3_lddqu): Clear prefix_data16 attribute.
9061         (avx_cmpp<avxmodesuffixf2c><mode>3,
9062         avx_cmps<ssemodesuffixf2c><mode>3, *avx_maskcmp<mode>3,
9063         <sse>_maskcmp<mode>3, <sse>_vmmaskcmp<mode>3,
9064         avx_shufps256_1, *avx_shufps_<mode>, sse_shufps_<mode>,
9065         *vec_dupv4sf_avx, *vec_dupv4sf): Set length_immediate attribute to 1.
9066         (*avx_cvtsi2ssq, *avx_cvtsi2sdq): Set length_vex attribute to 4.
9067         (sse_cvtsi2ssq, sse2_cvtsi2sdq): Set prefix_rex attribute to 1.
9068         (sse2_cvtpi2pd, sse_loadlps, sse2_storelpd): Override
9069         prefix_data16 attribute for the first alternative to 1.
9070         (*avx_loadlps): Override length_immediate for the first alternative.
9071         (*vec_concatv2sf_avx): Override length_immediate and prefix_extra
9072         attributes for second alternative.
9073         (*vec_concatv2sf_sse4_1): Override length_immediate and
9074         prefix_data16 attributes for second alternative.
9075         (*vec_setv4sf_avx, *avx_insertps, vec_extract_lo_<mode>,
9076         vec_extract_hi_<mode>, vec_extract_lo_v16hi,
9077         vec_extract_hi_v16hi, vec_extract_lo_v32qi,
9078         vec_extract_hi_v32qi): Set prefix_extra and length_immediate to 1.
9079         (*vec_setv4sf_sse4_1, sse4_1_insertps, *sse4_1_extractps): Set
9080         prefix_data16 and length_immediate to 1.
9081         (*avx_mulv2siv2di3, *avx_mulv4si3, sse4_2_gtv2di3): Set prefix_extra
9082         to 1.
9083         (*avx_<code><mode>3, *avx_eq<mode>3, *avx_gt<mode>3): Set
9084         prefix_extra attribute for variants that don't have 0f prefix alone.
9085         (*avx_pinsr<ssevecsize>): Likewise.  Set length_immediate to 1.
9086         (*sse4_1_pinsrb, *sse2_pinsrw, *sse4_1_pinsrd, *sse4_1_pextrb,
9087         *sse4_1_pextrb_memory, *sse2_pextrw, *sse4_1_pextrw_memory,
9088         *sse4_1_pextrd): Set length_immediate to 1.
9089         (*sse4_1_pinsrd): Likewise.  Set prefix_extra to 1.
9090         (*sse4_1_pinsrq, *sse4_1_pextrq): Set prefix_rex and length_immediate
9091         to 1.
9092         (*vec_extractv2di_1_rex64_avx, *vec_extractv2di_1_rex64,
9093         *vec_extractv2di_1_avx, *vec_extractv2di_1_sse2): Override
9094         length_immediate to 1 for second alternative.
9095         (*vec_concatv2si_avx, *vec_concatv2di_rex64_avx): Override
9096         prefix_extra and length_immediate attributes for the first
9097         alternative.
9098         (vec_concatv2si_sse4_1): Override length_immediate to 1 for the
9099         first alternative.
9100         (*vec_concatv2di_rex64_sse4_1): Likewise.  Override prefix_rex
9101         to 1 for the first and third alternative.
9102         (*vec_concatv2di_rex64_sse): Override prefix_rex to 1 for the second
9103         alternative.
9104         (*sse2_maskmovdqu, *sse2_maskmovdqu_rex64): Override length_vex
9105         attribute.
9106         (*sse_sfence, sse2_mfence, sse2_lfence): Override length_address
9107         attribute to 0.
9108         (*avx_phaddwv8hi3, *avx_phadddv4si3, *avx_phaddswv8hi3,
9109         *avx_phsubwv8hi3, *avx_phsubdv4si3, *avx_phsubswv8hi,
9110         *avx_pmaddubsw128, *avx_pmulhrswv8hi3, *avx_pshufbv16qi3,
9111         *avx_psign<mode>3): Set prefix_extra attribute to 1.
9112         (ssse3_phaddwv4hi3, ssse3_phadddv2si3, ssse3_phaddswv4hi3,
9113         ssse3_phsubwv4hi3, ssse3_phsubdv2si3, ssse3_phsubswv4hi3,
9114         ssse3_pmaddubsw, *ssse3_pmulhrswv4hi, ssse3_pshufbv8qi3,
9115         ssse3_psign<mode>3): Override prefix_rex attribute.
9116         (*avx_palignrti): Override prefix_extra and length_immediate to 1.
9117         (ssse3_palignrti): Override length_immediate to 1.
9118         (ssse3_palignrdi): Override length_immediate to 1, override
9119         prefix_rex attribute.
9120         (abs<mode>2): Override prefix_rep to 0, override prefix_rex attribute.
9121         (sse4a_extrqi): Override length_immediate to 2.
9122         (sse4a_insertqi): Likewise.  Override prefix_data16 to 0.
9123         (sse4a_insertq): Override prefix_data16 to 0.
9124         (avx_blendp<avxmodesuffixf2c><avxmodesuffix>,
9125         avx_blendvp<avxmodesuffixf2c><avxmodesuffix>,
9126         avx_dpp<avxmodesuffixf2c><avxmodesuffix>, *avx_mpsadbw,
9127         *avx_pblendvb, *avx_pblendw, avx_roundp<avxmodesuffixf2c>256,
9128         avx_rounds<avxmodesuffixf2c>256): Override prefix_extra
9129         and length_immediate to 1.
9130         (sse4_1_blendp<ssemodesuffixf2c>, sse4_1_dpp<ssemodesuffixf2c>,
9131         sse4_2_pcmpestr, sse4_2_pcmpestri, sse4_2_pcmpestrm,
9132         sse4_2_pcmpestr_cconly, sse4_2_pcmpistr, sse4_2_pcmpistri,
9133         sse4_2_pcmpistrm, sse4_2_pcmpistr_cconly): Override prefix_data16
9134         and length_immediate to 1.
9135         (sse4_1_blendvp<ssemodesuffixf2c>): Override prefix_data16 to 1.
9136         (sse4_1_mpsadbw, sse4_1_pblendw): Override length_immediate to 1.
9137         (*avx_packusdw, avx_vtestp<avxmodesuffixf2c><avxmodesuffix>,
9138         avx_ptest256): Override prefix_extra to 1.
9139         (sse4_1_roundp<ssemodesuffixf2c>, sse4_1_rounds<ssemodesuffixf2c>):
9140         Override prefix_data16 and length_immediate to 1.
9141         (sse5_pperm_zero_v16qi_v8hi, sse5_pperm_sign_v16qi_v8hi,
9142         sse5_pperm_zero_v8hi_v4si, sse5_pperm_sign_v8hi_v4si,
9143         sse5_pperm_zero_v4si_v2di, sse5_pperm_sign_v4si_v2di,
9144         sse5_vrotl<mode>3, sse5_ashl<mode>3, sse5_lshl<mode>3): Override
9145         prefix_data16 to 0 and prefix_extra to 2.
9146         (sse5_rotl<mode>3, sse5_rotr<mode>3): Override length_immediate to 1.
9147         (sse5_frcz<mode>2, sse5_vmfrcz<mode>2): Don't override prefix_extra
9148         attribute.
9149         (*sse5_vmmaskcmp<mode>3, sse5_com_tf<mode>3,
9150         sse5_maskcmp<mode>3, sse5_maskcmp<mode>3, sse5_maskcmp_uns<mode>3):
9151         Override prefix_data16 and prefix_rep to 0, length_immediate to 1
9152         and prefix_extra to 2.
9153         (sse5_maskcmp_uns2<mode>3, sse5_pcom_tf<mode>3): Override
9154         prefix_data16 to 0, length_immediate to 1 and prefix_extra to 2.
9155         (*avx_aesenc, *avx_aesenclast, *avx_aesdec, *avx_aesdeclast,
9156         avx_vpermilvar<mode>3,
9157         avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>,
9158         avx_vbroadcastss256, avx_vbroadcastf128_p<avxmodesuffixf2c>256,
9159         avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>,
9160         avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>):
9161         Override prefix_extra to 1.
9162         (aeskeygenassist, pclmulqdq): Override length_immediate to 1.
9163         (*vpclmulqdq, avx_vpermil<mode>, avx_vperm2f128<mode>3,
9164         vec_set_lo_<mode>, vec_set_hi_<mode>, vec_set_lo_v16hi,
9165         vec_set_hi_v16hi, vec_set_lo_v32qi, vec_set_hi_v32qi): Override
9166         prefix_extra and length_immediate to 1.
9167         (*avx_vzeroall, avx_vzeroupper, avx_vzeroupper_rex64): Override
9168         modrm to 0.
9169         (*vec_concat<mode>_avx): Override prefix_extra and length_immediate
9170         to 1 for the first alternative.
9171         * config/i386/mmx.md (*mov<mode>_internal_rex64): Override
9172         prefix_rep, prefix_data16 and/or prefix_rex attributes in certain
9173         cases.
9174         (*mov<mode>_internal_avx, *movv2sf_internal_rex64,
9175         *movv2sf_internal_avx, *movv2sf_internal): Override
9176         prefix_rep attribute for certain alternatives.
9177         (*mov<mode>_internal): Override prefix_rep or prefix_data16
9178         attributes for certain alternatives.
9179         (*movv2sf_internal_rex64_avx): Override prefix_rep and length_vex
9180         attributes for certain alternatives.
9181         (*mmx_addv2sf3, *mmx_subv2sf3, *mmx_mulv2sf3,
9182         *mmx_<code>v2sf3_finite, *mmx_<code>v2sf3, mmx_rcpv2sf2,
9183         mmx_rcpit1v2sf3, mmx_rcpit2v2sf3, mmx_rsqrtv2sf2, mmx_rsqit1v2sf3,
9184         mmx_haddv2sf3, mmx_hsubv2sf3, mmx_addsubv2sf3,
9185         *mmx_eqv2sf3, mmx_gtv2sf3, mmx_gev2sf3, mmx_pf2id, mmx_pf2iw,
9186         mmx_pi2fw, mmx_floatv2si2, mmx_pswapdv2sf2, *mmx_pmulhrwv4hi3,
9187         mmx_pswapdv2si2): Set prefix_extra attribute to 1.
9188         (mmx_ashr<mode>3, mmx_lshr<mode>3, mmx_ashl<mode>3): Set
9189         length_immediate to 1 if operand 2 is const_int_operand.
9190         (*mmx_pinsrw, mmx_pextrw, mmx_pshufw_1, *vec_dupv4hi,
9191         *vec_extractv2si_1): Set length_immediate attribute to 1.
9192         (*mmx_uavgv8qi3): Override prefix_extra attribute to 1 if
9193         using old 3DNOW insn rather than SSE/3DNOW_A.
9194         (mmx_emms, mmx_femms): Clear modrm attribute.
9195
9196 2009-05-29  Martin Jambor  <mjambor@suse.cz>
9197
9198         * tree-sra.c:  New implementation of SRA.
9199
9200         * params.def (PARAM_SRA_MAX_STRUCTURE_SIZE): Removed.
9201         (PARAM_SRA_MAX_STRUCTURE_COUNT): Removed.
9202         (PARAM_SRA_FIELD_STRUCTURE_RATIO): Removed.
9203         * params.h (SRA_MAX_STRUCTURE_SIZE): Removed.
9204         (SRA_MAX_STRUCTURE_COUNT): Removed.
9205         (SRA_FIELD_STRUCTURE_RATIO): Removed.
9206         * doc/invoke.texi (sra-max-structure-size): Removed.
9207         (sra-field-structure-ratio): Removed.
9208
9209 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
9210
9211         PR middle-end/40291
9212         * builtins.c (expand_builtin_memcmp): Convert len to sizetype
9213         before expansion.
9214
9215 2009-05-29  Andrey Belevantsev  <abel@ispras.ru>
9216
9217         PR rtl-optimization/40101
9218         * sel-sched-ir.c (get_seqno_by_preds): Allow returning negative
9219         seqno.  Adjust comment.
9220         * sel-sched.c (find_seqno_for_bookkeeping): Assert that when
9221         inserting bookkeeping before a jump, the jump is not scheduled.
9222         When no positive seqno found, provide a value.  Add comment.
9223
9224 2009-05-29  Richard Guenther  <rguenther@suse.de>
9225
9226         * tree-ssa-alias.c (nonaliasing_component_refs_p): Remove
9227         short-cutting on the first component.
9228
9229 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
9230
9231         PR middle-end/39958
9232         * omp-low.c (scan_omp_1_op): Call remap_type on TREE_TYPE
9233         for trees other than decls/types.
9234
9235 2009-05-29  Richard Guenther  <rguenther@suse.de>
9236
9237         * tree-ssa-operands.c (get_expr_operands): Do not handle
9238         INDIRECT_REFs in the handled-component case.  Remove
9239         unused get_ref_base_and_extent case.
9240         * tree-dfa.c (get_ref_base_and_extent): Avoid calling
9241         tree_low_cst and host_integerp where possible.
9242         * tree-ssa-structalias.c (equiv_class_label_eq): Check hash
9243         codes for equivalence.
9244         * dce.c (find_call_stack_args): Avoid redundant bitmap queries.
9245
9246 2009-05-29  David Billinghurst <billingd@gcc.gnu.org>
9247
9248         * config.gcc: Add i386/t-fprules-softfp and soft-fp/t-softfp
9249         to tmake_file for i[34567]86-*-cygwin*.
9250
9251 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
9252
9253         PR target/40017
9254         * config/rs6000/rs6000-c.c (_Bool_keyword): New variable.
9255         (altivec_categorize_keyword, init_vector_keywords,
9256         rs6000_cpu_cpp_builtins): Define _Bool as conditional macro
9257         similar to bool.
9258
9259 2009-05-29  Kai Tietz  <kai.tietz@onevision.com>
9260
9261         * tree.c (handle_dll_attribute): Check if node is
9262         of kind FUNCTION_DECL for DECL_DECLARED_INLINE_P check.
9263
9264 2009-05-29  Richard Earnshaw  <rearnsha@arm.com>
9265
9266         * config/arm/thumb2.md (thumb2_zero_extendsidi2): Add a split
9267         component.
9268         (thumb2_zero_extendqidi2): Likewise.
9269
9270 2009-05-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9271
9272         * config/sh/sh.c (sh_expand_t_scc): Use gen_xorsi3_movrt
9273         instead of gen_movrt.
9274         * config/sh/sh.md (movrt): Remove.
9275
9276 2009-05-28  Steve Ellcey  <sje@cup.hp.com>
9277
9278         * doc/invoke.texi (IA-64 Options):
9279         Add -msdata, -mfused-madd, -mno-inline-float-divide,
9280         -mno-inline-int-divide, -mno-inline-sqrt, -msched-spec-ldc,
9281         -msched-spec-control-ldc, -msched-prefer-non-data-spec-insns,
9282         -msched-prefer-non-control-spec-insns,
9283         -msched-stop-bits-after-every-cycle,
9284         -msched-count-spec-in-critical-path,
9285         -msel-sched-dont-check-control-spec, -msched-fp-mem-deps-zero-cost
9286         -msched-max-memory-insns-hard-limit, -msched-max-memory-insns.
9287         Remove -mt, -pthread, -msched-ldc, -mno-sched-control-ldc,
9288         and -msched-spec-verbose.
9289
9290 2009-05-28  Joseph Myers  <joseph@codesourcery.com>
9291
9292         * config/arm/lib1funcs.asm (__clear_cache): Define if L_clear_cache.
9293         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define to give an
9294         error if used.
9295         * config/arm/t-linux-eabi (LIB1ASMFUNCS): Add _clear_cache.
9296
9297 2009-05-28  Richard Guenther  <rguenther@suse.de>
9298
9299         * tree-ssa-alias.c (ao_ref_init): New function.
9300         (ao_ref_base): Likewise.
9301         (ao_ref_base_alias_set): Likewise.
9302         (ao_ref_alias_set): Likewise.
9303         (refs_may_alias_p_1): Change signature.
9304         (refs_may_alias_p): Adjust.
9305         (refs_anti_dependent_p): Likewise.
9306         (refs_output_dependent_p): Likewise.
9307         (call_may_clobber_ref_p_1): Change signature.
9308         (call_may_clobber_ref_p): Adjust.
9309         (stmt_may_clobber_ref_p_1): New function split out from ...
9310         (stmt_may_clobber_ref_p): ... here.
9311         (maybe_skip_until): Adjust signature.
9312         (get_continuation_for_phi): Likewise.
9313         (walk_non_aliased_vuses): Likewise.
9314         * tree-ssa-alias.h (struct ao_ref_s): New structure type.
9315         (ao_ref_init): Declare.
9316         (ao_ref_base): Likewise.
9317         (ao_ref_alias_set): Likewise.
9318         (stmt_may_clobber_ref_p_1): Likewise.
9319         (walk_non_aliased_vuses): Adjust.
9320         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): New function.
9321         (get_ref_from_reference_ops): remove.
9322         (vn_reference_lookup_2): Adjust signature.
9323         (vn_reference_lookup_3): Do not re-build trees.  Handle unions.
9324         (vn_reference_lookup_pieces): Adjust signature, do not re-build trees.
9325         (vn_reference_lookup): Adjust.
9326         (vn_reference_insert): Likewise.
9327         (vn_reference_insert_pieces): Adjust signature.
9328         (visit_reference_op_call): Adjust.
9329         * tree-ssa-pre.c (get_expr_type): Simplify.
9330         (phi_translate_1): Adjust.
9331         (compute_avail): Likewise.
9332         (translate_vuse_through_block): Do not re-build trees.
9333         (value_dies_in_block_x): Likewise.
9334         * tree-ssa-sccvn.h (struct vn_reference_s): Add type and alias-set
9335         fields.
9336         (vn_reference_lookup_pieces): Adjust declaration.
9337         (vn_reference_insert_pieces): Likewise.
9338
9339 2009-05-28  Benjamin Kosnik  <bkoz@redhat.com>
9340
9341         * tree-ssa-copy.c (replace_exp_1): Move op for warning-free use
9342         with checking disabled.
9343
9344 2009-05-28  Dave Korn  <dave.korn.cygwin@gmail.com>
9345
9346         PR target/37216
9347
9348         * configure.ac (HAVE_GAS_ALIGNED_COMM):  Add autoconf test and
9349         macro definition for support of three-operand format aligned
9350         .comm directive in assembler on cygwin/pe/mingw target OS.
9351         * configure:  Regenerate.
9352         * config.h:  Regenerate.
9353
9354         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common):  Use
9355         aligned form of .comm directive if -mpe-aligned-commons is in effect.
9356         * config/i386/cygming.opt (-mpe-aligned-commons):  Add new option.
9357
9358         * doc/invoke.texi (-mpe-aligned-commons):  Document new target option.
9359         * doc/tm.texi (ASM_OUTPUT_COMMON):  Document zero size commons.
9360
9361 2009-05-28  Ira Rosen  <irar@il.ibm.com>
9362
9363         PR tree-optimization/40254
9364         * tree-data-ref.c (dr_analyze_innermost): Take POFFSET into account
9365         in analysis of basic blocks.
9366
9367 2009-05-28  Adam Nemet  <anemet@caviumnetworks.com>
9368
9369         PR middle-end/33699
9370         * target.h (struct gcc_target): Fix indentation.  Add const_anchor.
9371         * target-def.h (TARGET_CONST_ANCHOR): New macro.
9372         (TARGET_INITIALIZER): Use it.
9373         * cse.c (CHEAPER): Move it up to the other macros.
9374         (insert): Rename this ...
9375         (insert_with_costs): ... to this.  Add cost parameters.  Update
9376         function comment.
9377         (insert): New function.  Call insert_with_costs.
9378         (compute_const_anchors, insert_const_anchor, insert_const_anchors,
9379         find_reg_offset_for_const, try_const_anchors): New functions.
9380         (cse_insn): Call try_const_anchors.  Adjust cost of src_related
9381         when using a const-anchor.  Call insert_const_anchors.
9382         * config/mips/mips.c (mips_set_mips16_mode): Set targetm.const_anchor.
9383         * doc/tm.texi (Misc): Document TARGET_CONST_ANCHOR.
9384
9385 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
9386
9387         * tree-inline.c (remap_decls): Enable nonlocalized variables
9388         when not optimizing.
9389
9390 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
9391
9392         * tree-ssa-live.c (remove_unused_locals): Skip when not optimizing.
9393         Simplify other tests involving optimize.
9394
9395 2009-05-27  Tom Tromey  <tromey@redhat.com>
9396
9397         * unwind-dw2.c (_Unwind_DebugHook): New function.
9398         (uw_install_context): Call _Unwind_DebugHook.
9399
9400 2009-05-27  Tom Tromey  <tromey@redhat.com>
9401
9402         * system.h (CONST_CAST2): Use C++ const_cast when compiled as C++
9403
9404 2009-05-27  Ian Lance Taylor  <iant@google.com>
9405
9406         * Makefile.in (LINKER, LINKER_FLAGS): Define.
9407         (LINKER_FOR_BUILD, BUILD_LINKERFLAGS): Define.
9408         (ALL_LINKERFLAGS): Define.
9409         (xgcc$(exeext)): Change $(COMPILER) to $(LINKER).
9410         (cpp$(exeext), cc1-dummy$(exeext), cc1$(exeext)): Likewise.
9411         (collect2$(exeext), mips-tfile, mips-tdump): Likewise.
9412         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
9413         (build/gen%$(build_exeext)): Change $(COMPILER_FOR_BUILD) to
9414         $(LINKER_FOR_BUILD).
9415         (build/gcov-iov$(build_exeext)): Likewise.
9416
9417 2009-05-27  Julian Brown  <julian@codesourcery.com>
9418
9419         * gcse.c (target.h): Include.
9420         (can_assign_to_reg_without_clobbers_p): Check that the target allows
9421         copy of argument to a pseudo register.
9422
9423 2009-05-27  Diego Novillo  <dnovillo@google.com>
9424
9425         * tree-ssa-live.c (dump_scope_block): Document arguments.
9426         (dump_scope_blocks): Document.
9427         (debug_scope_blocks): New.
9428         * tree-flow.h (debug_scope_blocks): Declare.
9429
9430 2009-05-21  Denis Chertykov  <denisc@overta.ru>
9431
9432         * doc/contrib.texi (Contributors): Add myself to the list.
9433
9434 2009-05-27  Olivier Hainque  <hainque@adacore.com>
9435
9436         * expr.c (target_align): New function.  Alignment the TARGET of an
9437         assignment may be assume to have.
9438         (highest_pow2_factor_for_target): Use it instead of relying on
9439         immediate tree attributes of TARGET, not necessarily honored when
9440         intermediate bitfields are involved.
9441
9442 2009-05-27  H.J. Lu  <hongjiu.lu@intel.com>
9443
9444         PR target/40266
9445         * config/i386/driver-i386.c (host_detect_local_cpu): Support
9446         AVX, SSE4, AES, PCLMUL and POPCNT.
9447
9448 2009-05-27  Diego Novillo  <dnovillo@google.com>
9449
9450         * tree-pretty-print.c (dump_location): New.
9451         (dump_generic_node): Call it.
9452         Factor code to handle BLOCK nodes ...
9453         (dump_block_node): ... here.
9454
9455 2009-05-27  Rafael Avila de Espindola  <espindola@google.com>
9456
9457         * Makefile.in (GCC_PLUGIN_H): New. Replace all uses of gcc-plugin.h
9458         with it.
9459         * doc/plugins.texi: Document that gcc-plugin.h must be the first to be
9460         included.
9461         * gcc-plugin.h: Include config.h and system.h.
9462         (IN_GCC): Define if not defined.
9463
9464 2009-05-27  Hans-Peter Nilsson  <hp@axis.com>
9465
9466         PR middle-end/40249
9467         * Makefile.in (CRTSTUFF_CFLAGS): Replace -fno-inline-functions
9468         with -fno-inline.
9469
9470 2009-05-27  Shujing Zhao  <pearly.zhao@oracle.com>
9471
9472         * config/m32r/m32r.c: Use REG_P, MEM_P and CONST_INT_P where
9473         applicable.
9474         * config/m32r/m32r.h: Ditto.
9475         * config/m32r/m32r.md: Ditto.
9476         * config/m32r/predicates.md: Ditto.
9477
9478 2009-05-27  Alexandre Oliva  <aoliva@redhat.com>
9479
9480         * cgraph.c (dump_cgraph_node): Honor -fdump-noaddr.
9481
9482 2009-05-26  Basile Starynkevitch  <basile@starynkevitch.net>
9483
9484         * doc/plugins.texi
9485         (Loading plugins): typo.
9486         (Plugin callbacks): Documented PLUGIN_INFO, PLUGIN_GGC_START,
9487         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
9488         (Interacting with the GCC Garbage Collector): Added new section.
9489         (Giving information about a plugin): Added new section for
9490         PLUGIN_INFO.
9491         * ggc.h (ggc_register_root_tab): Added declaration.
9492         * gcc-plugin.h (PLUGIN_GGC_START, PLUGIN_GGC_MARKING)
9493         (PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS): Added new events.
9494         (register_callback): Improved comment in declaration.
9495         * ggc-common.c (const_ggc_root_tab_t) Added new typedef for vectors.
9496         (extra_root_vec) Added static variable for dynamic roots registration.
9497         (ggc_register_root_tab) Added new routine.
9498         (ggc_mark_roots) Added iteration inside extra_root_vec, and invoke
9499         PLUGIN_GGC_MARKING event.
9500         * ggc-zone.c: Include plugin.h.
9501         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
9502         * ggc-page.c: Include plugin.h.
9503         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
9504         * plugin.c (plugin_event_name): added names of PLUGIN_GGC_START,
9505         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS
9506         (register_callback): check lack of callbacks for
9507         pseudo-events. Added handling of PLUGIN_REGISTER_GGC_ROOTS,
9508         PLUGIN_GGC_START, PLUGIN_GGC_MARKING, PLUGIN_GGC_END.
9509         (invoke_plugin_callbacks): Handle PLUGIN_GGC_START,
9510         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
9511         * Makefile.in (ggc-common.o, ggc-zone.o, ggc-page.o): Added
9512         dependency on plugin.h.
9513         (plugin.o): Added dependency on ggc.h...
9514
9515 2009-05-26  Richard Guenther  <rguenther@suse.de>
9516
9517         PR middle-end/40248
9518         Revert
9519         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
9520         with mismatched comparison modes.
9521
9522         * expr.c (expand_expr_real_1): Expand the operand of a
9523         VIEW_CONVERT_EXPR in its natural mode.
9524
9525 2009-05-26  Ian Lance Taylor  <iant@google.com>
9526
9527         * Makefile.in (COMPILER, COMPILER_FLAGS): Define.
9528         (COMPILER_FOR_BUILD, BUILD_COMPILERFLAGS): Define.
9529         (ALL_COMPILERFLAGS): Define.
9530         (.c.o, xgcc$(exeext), cpp$(exeext)): Use $(COMPILER).
9531         (cc1-dummy$(exeext), cc1$(exeext)): Likewise.
9532         (collect2$(exeext), collect2.o): Likewise.
9533         (c-opts.o, c-cppbuiltin.o, c-pch.o, gcc.o, gccspec.o): Likewise.
9534         (gcc-options.o, version.o, prefix.o, toplev.o): Likewise.
9535         ($(out_object_file), mips-tfile, mips-tdump): Likewise.
9536         (libbackend.o, intl.o, cppdefault.o): Likewise.
9537         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
9538         (build/%.o): Use $(COMPILER_FOR_BUILD).
9539         (build/gen%$(build_exeext)): Likewise.
9540         (build/gcov-iov$(build_exeext)): LIkewise.
9541         * config/t-darwin (darwin.o): Use $(COMPILER).
9542         (darwin-c.o, darwin-f.o, darwin-driver.o): Likewise.
9543         * config/t-sol2 (sol2-c.o): Likewise.
9544         (sol2.o): Likewise.
9545         * config/t-vxworks (vxworks.o): Likewise.
9546         * config/x-darwin (host-darwin.o): Likewise.
9547         * config/x-hpux (host-hpux.o): Likewise.
9548         * config/x-linux (host-linux.o): Likewise.
9549         * config/x-solaris (host-solaris.o): Likewise.
9550         * config/alpha/x-alpha (driver-alpha.o): Likewise.
9551         * config/arm/t-arm (arm-c.o): Likewise.
9552         * config/arm/t-pe (pe.o): Likewise.
9553         * config/arm/t-wince-pe (pe.o): Likewise.
9554         * config/i386/t-cygming (winnt.o): Likewise.
9555         (winnt-cxx.o, winnt-stubs.o, msformat-c.o): Likewise.
9556         * config/i386/t-cygwin (cygwin1.o): Likewise.
9557         (cygwin2.o): Likewise.
9558         * config/i386/t-i386 (i386-c.o): Likewise.
9559         * config/i386/t-interix (winnt.o): Likewise.
9560         * config/i386/t-netware (netware.o): Likewise.
9561         * config/i386/t-nwld (nwld.o): Likewise.
9562         * config/i386/x-darwin (host-i386-darwin.o): Likewise.
9563         * config/i386/x-i386 (driver-i386.o): Likewise.
9564         * config/i386/x-cygwin (host-cygwin.o): Likewise.
9565         * config/i386/x-mingw32 (host-mingw32.o): Likewise.
9566         * config/ia64/t-ia64 (ia64-c.o): Likewise.
9567         * config/m32c/t-m32c (m32c-pragma.o): Likewise.
9568         * config/mips/x-native (driver-native.o): Likewise.
9569         * config/rs6000/t-rs6000 (rs6000-c.o): Likewise.
9570         * config/rs6000/x-darwin (host-ppc-darwin.o): Likewise.
9571         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Likewise.
9572         * config/rs6000/x-rs6000 (driver-rs6000.o): Likewise.
9573         * config/score/t-score-elf (score7.o): Likewise.
9574         (score3.o): Likewise.
9575         * config/sh/t-sh (sh-c.o): Likewise.
9576         * config/sh/t-symbian (sh-c.o): Likewise.
9577         (symbian.o): Likewise.
9578         * config/spu/t-spu-elf (spu-c.o): Likewise.
9579         * config/v850/t-v850 (v850-c.o): Likewise.
9580         * config/v850/t-v850e (v850-c.o): Likewise.
9581
9582 2009-05-26  Richard Guenther  <rguenther@suse.de>
9583
9584         PR tree-optimization/40122
9585         * tree-ssa-ccp.c (ccp_fold): Fold vector CONSTRUCTORs to
9586         VECTOR_CSTs if possible.
9587         (fold_gimple_assign): Likewise.
9588
9589 2009-05-26  Richard Guenther  <rguenther@suse.de>
9590
9591         PR middle-end/40252
9592         * fold-const.c (fold_binary): Use the correct types for building
9593         rotates.
9594
9595 2009-05-26  Richard Guenther  <rguenther@suse.de>
9596
9597         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove
9598         redundant calls to merge_alias_info.
9599         (bump_vector_ptr): Likewise.
9600         * tree-ssa-copy.c (merge_alias_info): Remove.
9601         (replace_exp_1): Remove call to merge_alias_info.
9602         (propagate_tree_value): Likewise.
9603         (fini_copy_prop): Propagate points-to info.
9604         * tree-flow.h (merge_alias_info): Remove.
9605
9606 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
9607
9608         * config/picochip/picochip.C (PARAM_INLINE_CALL_COST): Remove.
9609
9610 2009-05-25  Jan Hubicka  <jh@suse.cz>
9611
9612         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
9613         * cgraph.h (struct inline_summary): New filed self_wize,
9614         size_inlining_benefit, self_time and time_inlining_benefit.
9615         (struct cgraph_global_info): Replace insns by time ans size fields.
9616         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
9617         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
9618         (ipcp_update_callgraph): Do not touch function bodies.
9619         * ipa-inline.c: Include except.h
9620         (MAX_TIME): New constant.
9621         (overall_insns): Remove.
9622         (leaf_node_p): New.
9623         (overall_size, max_benefit): New static variables.
9624         (cgraph_estimate_time_after_inlining): New function.
9625         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
9626         (cgraph_clone_inlined_nodes): Update size.
9627         (cgraph_mark_inline_edge): Update size.
9628         (cgraph_estimate_growth): Use size info.
9629         (cgraph_check_inline_limits): Check size.
9630         (cgraph_default_inline_p): Likewise.
9631         (cgraph_edge_badness): Compute badness based on benefit and size cost.
9632         (cgraph_decide_recursive_inlining): Check size.
9633         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
9634         and times.
9635         (cgraph_decide_inlining): Likewise.
9636         (cgraph_decide_inlining_incrementally): Likewise; honor
9637         PARAM_EARLY_INLINING_INSNS.
9638         (likely_eliminated_by_inlining_p): New predicate.
9639         (estimate_function_body_sizes): New function.
9640         (compute_inline_parameters): Use it.
9641         * except.c (must_not_throw_labels): New function.
9642         * except.h (must_not_throw_labels): Declare.
9643         * tree-inline.c (init_inline_once): Kill inlining_weigths
9644         * tree-ssa-structalias.c: Avoid uninitialized warning.
9645         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
9646         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
9647         (PARAM_INLINE_CALL_COST): Remove.
9648         (PARAM_EARLY_INLINING_INSNS): New.
9649
9650 2009-05-25  Richard Guenther  <rguenther@suse.de>
9651
9652         PR tree-optimization/36327
9653         * tree-ssa-alias.c (walk_non_aliased_vuses): Add second walker
9654         callback for reference translation or lookup at the point of may-defs.
9655         * tree-ssa-alias.h (walk_non_aliased_vuses): Adjust prototype.
9656         * tree-ssa-sccvn.c (get_ref_from_reference_ops): Bail out
9657         for union COMPONENT_REFs.
9658         (vn_reference_lookup_3): New callback.  Lookup from memset
9659         and CONSTRUCTOR assignment, translate through struct copies.
9660         (vn_reference_lookup_pieces): Make sure to not free the
9661         passed operands array.  Adjust walk_non_aliased_vuses call.
9662         (vn_reference_lookup): Adjust walk_non_aliased_vuses call,
9663         make sure we do not leak memory.
9664
9665 2009-05-25  Richard Guenther  <rguenther@suse.de>
9666
9667         * tree-ssa-alias.h (dump_points_to_solution): Declare.
9668         * tree-inline.c (expand_call_inline): Reset the escaped and
9669         callused solutions.
9670         * tree-ssa-structalias.c (pass_build_ealias): New.
9671         * tree-pass.h (pass_build_ealias): Declare.
9672         * passes.c (init_optimization_passes): Add PTA during
9673         early optimizations.
9674         * tree-ssa-alias.c (dump_alias_info): Dump the ESCAPED
9675         and CALLUSED solutions.
9676         (dump_points_to_solution): New function, split out from ...
9677         (dump_points_to_info_for): ... here.
9678         * tree-parloops.c (parallelize_loops): Reset the escaped and
9679         callused solutions.
9680
9681 2009-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9682
9683         PR bootstrap/40027
9684         * config/i386/i386.c (USE_HIDDEN_LINKONCE): Only define if missing.
9685         * config/i386/sol2.h [!TARGET_GNU_LD] (USE_HIDDEN_LINKONCE): Define.
9686
9687 2009-05-25  Ira Rosen  <irar@il.ibm.com>
9688
9689         PR tree-optimization/40238
9690         * tree-vect-stmts.c (vect_init_vector): Insert initialization
9691         statements after basic block's labels.
9692         * tree-vect-slp.c (vect_slp_transform_bb): Call destroy_bb_vec_info()
9693         to free the allocated memory.
9694
9695 2009-05-24  Kaz Kojima  <kkojima@gcc.gnu.org>
9696
9697         * gcc/config/sh/sh.c (sh_set_return_address): Mark store of
9698         return address with a USE.
9699
9700 2009-05-24  Richard Guenther  <rguenther@suse.de>
9701
9702         PR middle-end/40233
9703         * tree.c (make_vector_type): Build the TYPE_DEBUG_REPRESENTATION_TYPEs
9704         array type from the main variant of the inner type.
9705
9706 2009-05-24  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
9707
9708         * config/vax/vax-protos.h (legitimate_constant_address_p): Change
9709         definition to bool (from int) to un-break build.
9710         (legitimate_constant_p, vax_mode_dependent_address_p): Likewise.
9711
9712 2009-05-24  Paolo Bonzini  <bonzini@gnu.org>
9713
9714         * tree-ssa-operands.h (push_stmt_changes, pop_stmt_changes,
9715         discard_stmt_changes): Delete.
9716         * tree-ssa-operands.c (scb_stack): Delete.
9717         (init_ssa_operands): Do not initialize it.
9718         (fini_ssa_operands): Do not free it.
9719         (push_stmt_changes, pop_stmt_changes, discard_stmt_changes): Delete.
9720
9721         * tree-cfg.c (replace_uses_by): Replace pop_stmt_changes with
9722         update_stmt, remove the others.  Fix comments.
9723         * tree-dfa.c (optimize_stack_restore): Likewise.
9724         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Likewise.
9725         * tree-ssa-loop-ivopts.c (rewrite_use): Likewise.
9726         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
9727         * tree-ssa-ccp.c (optimize_stack_restore, execute_fold_all_builtins):
9728         Likewise.
9729         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
9730         * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
9731         (dom_opt_finalize_block): Likewise, adjusting access to
9732         stmts_to_rescan.
9733         (optimize_stmt): Likewise, adjusting access to stmts_to_rescan.
9734         (stmts_to_rescan): Change item type to gimple.
9735         (tree_ssa_dominator_optimize): Change type of stmts_to_rescan.
9736
9737 2009-05-24  Ira Rosen  <irar@il.ibm.com>
9738
9739         * doc/passes.texi (Tree-SSA passes): Document SLP pass.
9740         * tree-pass.h (pass_slp_vectorize): New pass.
9741         * params.h (SLP_MAX_INSNS_IN_BB): Define.
9742         * timevar.def (TV_TREE_SLP_VECTORIZATION): Define.
9743         * tree-vectorizer.c (timevar.h): Include.
9744         (user_vect_verbosity_level): Declare.
9745         (vect_location): Fix comment.
9746         (vect_set_verbosity_level): Update user_vect_verbosity_level
9747         instead of vect_verbosity_level.
9748         (vect_set_dump_settings): Add an argument. Ignore user defined
9749         verbosity if dump flags require higher level of verbosity. Print to
9750         stderr only for loop vectorization.
9751         (vectorize_loops): Update call to vect_set_dump_settings.
9752         (execute_vect_slp): New function.
9753         (gate_vect_slp): Likewise.
9754         (struct gimple_opt_pass pass_slp_vectorize): New.
9755         * tree-vectorizer.h (struct _bb_vec_info): Define along macros to
9756         access its members.
9757         (vec_info_for_bb): New function.
9758         (struct _stmt_vec_info): Add bb_vinfo and a macro for its access.
9759         (VECTORIZATION_ENABLED): New macro.
9760         (SLP_ENABLED, SLP_DISABLED): Likewise.
9761         (vect_is_simple_use): Add bb_vec_info argument.
9762         (new_stmt_vec_info, vect_analyze_data_ref_dependences,
9763         vect_analyze_data_refs_alignment, vect_verify_datarefs_alignment,
9764         vect_analyze_data_ref_accesses, vect_analyze_data_refs,
9765         vect_schedule_slp, vect_analyze_slp): Likewise.
9766         (vect_analyze_stmt): Add slp_tree argument.
9767         (find_bb_location): Declare.
9768         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
9769         * tree-vect-loop.c (new_loop_vec_info): Adjust function calls.
9770         (vect_analyze_loop_operations, vect_analyze_loop,
9771         get_initial_def_for_induction, vect_create_epilog_for_reduction,
9772         vect_finalize_reduction, vectorizable_reduction,
9773         vectorizable_live_operation, vect_transform_loop): Likewise.
9774         * tree-data-ref.c (dr_analyze_innermost): Update comment,
9775         skip evolution analysis if analyzing a basic block.
9776         (dr_analyze_indices): Likewise.
9777         (initialize_data_dependence_relation): Skip the test whether the
9778         object is invariant for basic blocks.
9779         (compute_all_dependences): Skip dependence analysis for data
9780         references in basic blocks.
9781         (find_data_references_in_stmt): Don't fail in case of invariant
9782         access in basic block.
9783         (find_data_references_in_bb): New function.
9784         (find_data_references_in_loop): Move code to
9785         find_data_references_in_bb and add a call to it.
9786         (compute_data_dependences_for_bb): New function.
9787         * tree-data-ref.h (compute_data_dependences_for_bb): Declare.
9788         * tree-vect-data-refs.c (vect_check_interleaving): Adjust to the case
9789         that STEP is 0.
9790         (vect_analyze_data_ref_dependence): Check for interleaving in case of
9791         unknown dependence in basic block and fail in case of dependence in
9792         basic block.
9793         (vect_analyze_data_ref_dependences): Add bb_vinfo argument, get data
9794         dependence instances from either loop or basic block vectorization
9795         info.
9796         (vect_compute_data_ref_alignment): Check if it is loop vectorization
9797         before calling nested_in_vect_loop_p.
9798         (vect_compute_data_refs_alignment): Add bb_vinfo argument, get data
9799         dependence instances from either loop or basic block vectorization
9800         info.
9801         (vect_verify_datarefs_alignment): Likewise.
9802         (vect_enhance_data_refs_alignment): Adjust function calls.
9803         (vect_analyze_data_refs_alignment): Likewise.
9804         (vect_analyze_group_access): Fix printing. Skip different checks if
9805         DR_STEP is 0. Keep strided stores either in loop or basic block
9806         vectorization data structure. Fix indentation.
9807         (vect_analyze_data_ref_access): Fix comments, allow zero step in
9808         basic blocks.
9809         (vect_analyze_data_ref_accesses): Add bb_vinfo argument, get data
9810         dependence instances from either loop or basic block vectorization
9811         info.
9812         (vect_analyze_data_refs): Update comment. Call
9813         compute_data_dependences_for_bb to analyze basic blocks.
9814         (vect_create_addr_base_for_vector_ref): Check for outer loop only in
9815         case of loop vectorization. In case of basic block vectorization use
9816         data-ref itself as a base.
9817         (vect_create_data_ref_ptr): In case of basic block vectorization:
9818         don't advance the pointer, add new statements before the current
9819         statement.  Adjust function calls.
9820         (vect_supportable_dr_alignment): Support only aligned accesses in
9821         basic block vectorization.
9822         * common.opt (ftree-slp-vectorize): New flag.
9823         * tree-vect-patterns.c (widened_name_p): Adjust function calls.
9824         (vect_pattern_recog_1): Likewise.
9825         * tree-vect-stmts.c (process_use): Likewise.
9826         (vect_init_vector): Add new statements in the beginning of the basic
9827         block in case of basic block SLP.
9828         (vect_get_vec_def_for_operand): Adjust function calls.
9829         (vect_finish_stmt_generation): Likewise.
9830         (vectorizable_call): Add assert that it is loop vectorization, adjust
9831         function calls.
9832         (vectorizable_conversion, vectorizable_assignment): Likewise.
9833         (vectorizable_operation): In case of basic block SLP, take
9834         vectorization factor from statement's type and skip the relevance
9835         check. Adjust function calls.
9836         (vectorizable_type_demotion): Add assert that it is loop
9837         vectorization, adjust function calls.
9838         (vectorizable_type_promotion): Likewise.
9839         (vectorizable_store): Check for outer loop only in case of loop
9840         vectorization. Adjust function calls. For basic blocks, skip the
9841         relevance check and don't advance pointers.
9842         (vectorizable_load): Likewise.
9843         (vectorizable_condition): Add assert that it is loop vectorization,
9844         adjust function calls.
9845         (vect_analyze_stmt): Add argument. In case of basic block SLP, check
9846         that it is not reduction, get vector type, call only supported
9847         functions, skip loop specific parts.
9848         (vect_transform_stmt): Check for outer loop only in case of loop
9849         vectorization.
9850         (new_stmt_vec_info): Add new argument and initialize bb_vinfo.
9851         (vect_is_simple_use): Fix comment, add new argument, fix conditions
9852         for external definition.
9853         * passes.c (pass_slp_vectorize): New pass.
9854         * tree-vect-slp.c (find_bb_location): New function.
9855         (vect_get_and_check_slp_defs): Add argument, adjust function calls,
9856         check for patterns only in loops.
9857         (vect_build_slp_tree): Add argument, adjust function calls, fail in
9858         case of multiple types in basic block SLP.
9859         (vect_mark_slp_stmts_relevant): New function.
9860         (vect_supported_load_permutation_p): Fix comment.
9861         (vect_analyze_slp_instance): Add argument. In case of basic block
9862         SLP, take vectorization factor from statement's type, check that
9863         unrolling factor is 1. Adjust function call. Save SLP instance in
9864         either loop or basic block vectorization structure. Return FALSE,
9865         if SLP failed.
9866         (vect_analyze_slp): Add argument. Get strided stores groups from
9867         either loop or basic block vectorization structure. Return FALSE
9868         if basic block SLP failed.
9869         (new_bb_vec_info): New function.
9870         (destroy_bb_vec_info, vect_slp_analyze_node_operations,
9871         vect_slp_analyze_operations, vect_slp_analyze_bb): Likewise.
9872         (vect_schedule_slp): Add argument. Get SLP instances from either
9873         loop or basic block vectorization structure. Set vectorization factor
9874         to be 1 for basic block SLP.
9875         (vect_slp_transform_bb): New function.
9876         * params.def (PARAM_SLP_MAX_INSNS_IN_BB): Define.
9877
9878 2009-05-23  Mark Mitchell  <mark@codesourcery.com>
9879
9880         * final.c (shorten_branches): Do not align labels for jump tables.
9881         (final_scan_insn): Use JUMP_TABLE_DATA_P.
9882
9883 2009-05-23  Eric Botcazou  <ebotcazou@adacore.com>
9884
9885         * doc/passes.texi: Standardize spelling of RTL, Tree and Tree SSA.
9886         Remove outdated reference to flow.c and fix nits.
9887         * doc/gccint.texi: Tweak RTL description.
9888         * doc/rtl.texi: Likewise.
9889
9890 2009-05-23  Denis Chertykov  <chertykov@gmail.com>
9891
9892         * config/avr/avr.c: Change my email address.
9893         * config/avr/avr.h: Likewise.
9894         * config/avr/avr.md: Likewise.
9895         * config/avr/avr-protos.h: Likewise.
9896         * config/avr/libgcc.S: Likewise.
9897
9898 2009-05-22  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
9899
9900         * config/spu/spu-protos.h (aligned_mem_p, spu_valid_mov): Remove.
9901         (spu_split_load, spu_split_store): Change return type to int.
9902         (spu_split_convert): Declare.
9903         * config/spu/predicates.md (spu_mem_operand): Remove.
9904         (spu_mov_operand): Update.
9905         (spu_dest_operand, shiftrt_operator, extend_operator): Define.
9906         * config/spu/spu.c (regno_aligned_for_load): Remove.
9907         (reg_aligned_for_addr, spu_expand_load): Define.
9908         (spu_expand_extv): Reimplement and handle MEM.
9909         (spu_expand_insv): Handle MEM.
9910         (spu_sched_reorder): Handle insn's with length 0.
9911         (spu_legitimate_address_p): Reimplement.
9912         (store_with_one_insn_p): Return TRUE for any mode with size
9913         larger than 16 bytes.
9914         (address_needs_split): Define.
9915         (spu_expand_mov): Call spu_split_load and spu_split_store for MEM
9916         operands.
9917         (spu_convert_move): Define.
9918         (spu_split_load): Use spu_expand_load and change all MEM's to TImode.
9919         (spu_split_store): Change all MEM's to TImode.
9920         (spu_init_expanders): Preallocate registers that correspond to
9921         LAST_VIRTUAL_REG+1 and LAST_VIRTUAL_REG+2 and set them with
9922         mark_reg_pointer.
9923         (spu_split_convert): Define.
9924         * config/spu/spu.md (QHSI, QHSDI): New mode iterators.
9925         (_move<mode>, _movdi, _movti): Update predicate and condition.
9926         (load, store): Change to define_split.
9927         (extendqiti2, extendhiti2, extendsiti2, extendditi2): Simplify to
9928         extend<mode>ti2.
9929         (zero_extendqiti2, zero_extendhiti2, <v>lshr<mode>3_imm): Define.
9930         (lshr<mode>3, lshr<mode>3_imm, lshr<mode>3_re): Simplify to one
9931         define_insn_and_split of lshr<mode>3.
9932         (shrqbybi_<mode>, shrqby_<mode>): Simplify to define_expand.
9933         (<v>ashr<mode>3_imm): Define.
9934         (extv, extzv, insv): Allow MEM operands.
9935         (trunc_shr_ti<mode>, trunc_shr_tidi, shl_ext_<mode>ti,
9936         shl_ext_diti, sext_trunc_lshr_tiqisi, zext_trunc_lshr_tiqisi,
9937         sext_trunc_lshr_tihisi, zext_trunc_lshr_tihisi): Define for combine.
9938         (_spu_convert2): Change to define_insn_and_split and remove the
9939         corresponding define_peephole2.
9940         (stack_protect_set, stack_protect_test, stack_protect_test_si):
9941         Change predicates to memory_operand.
9942
9943 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
9944
9945         * config/arm/thumb2.md: Add 16-bit multiply instructions.
9946
9947 2009-05-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
9948
9949         PR tree-optimization/40219
9950         * tree.c (iterative_hash_expr): Make sure the builtin function is
9951         a normal builtin function and not a front end or back end builtin
9952         before indexing into the built_in_decls array.
9953
9954 2009-05-22  Richard Guenther  <rguenther@suse.de>
9955
9956         PR middle-end/38964
9957         * alias.c (write_dependence_p): Do not use TBAA for answering
9958         anti-dependence or output-dependence.
9959         * tree-ssa-structalias.c (set_uids_in_ptset): Remove TBAA pruning code.
9960         (emit_pointer_definition): Remove.
9961         (emit_alias_warning): Likewise.
9962         (find_what_var_points_to): Remove TBAA pruning code.
9963         (find_what_p_points_to): Likewise.  Do not warn about strict-aliasing
9964         violations.
9965         (compute_points_to_sets): Remove code computing the set of
9966         dereferenced pointers.
9967         * tree-data-ref.c (dr_may_alias_p): Properly use the split
9968         oracle for querying anti and output dependencies.
9969         * tree-ssa-alias.c (refs_may_alias_p_1): Add argument specifying
9970         if TBAA may be applied.
9971         (refs_anti_dependent_p): New function.
9972         (refs_output_dependent_p): Likewise.
9973         * tree-ssa-alias.h (refs_anti_dependent_p): Declare.
9974         (refs_output_dependent_p): Likewise.
9975         * doc/tree-ssa.texi (Memory model): New section.
9976         * doc/c-tree.texi (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
9977         * doc/gimple.texi (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
9978         * cfgexpand.c (expand_gimple_basic_block): Do not handle
9979         GIMPLE_CHANGE_DYNAMIC_TYPE or CHANGE_DYNAMIC_TYPE_EXPR.
9980         * expr.c (expand_expr_real_1): Likewise.
9981         * gimple-low.c (lower_stmt): Likewise.
9982         * gimple-pretty-print.c (dump_gimple_stmt): Likewise.
9983         (dump_gimple_cdt): Remove.
9984         * gimple.c (gss_for_code): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
9985         (gimple_size): Likewise.
9986         (walk_gimple_op): Likewise.
9987         (is_gimple_stmt): Likewise.
9988         (walk_stmt_load_store_addr_ops): Likewise.
9989         (gimple_build_cdt): Remove.
9990         * gimple.def (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
9991         * gimple.h (gimple_cdt_new_type): Remove.
9992         (gimple_cdt_new_type_ptr): Likewise.
9993         (gimple_cdt_set_new_type): Likewise.
9994         (gimple_cdt_location): Likewise.
9995         (gimple_cdt_location_ptr): Likewise.
9996         (gimple_cdt_set_location): Likewise.
9997         * gimplify.c (gimplify_expr): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
9998         * tree-cfg.c (remove_useless_stmts_1): Do not handle
9999         GIMPLE_CHANGE_DYNAMIC_TYPE.
10000         (verify_types_in_gimple_stmt): Likewise.
10001         * tree-inline.c (estimate_num_insns): Likewise.
10002         (expand_call_inline): Do not copy DECL_NO_TBAA_P.
10003         (copy_decl_to_var): Likewise.
10004         (copy_result_decl_to_var): Likewise.
10005         * tree-pretty-print.c (dump_generic_node): Do not handle
10006         CHANGE_DYNAMIC_TYPE_EXPR.
10007         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
10008         * tree-ssa-operands.c (get_expr_operands): Likewise.
10009         * tree-ssa-structalias.c (struct variable_info): Remove
10010         no_tbaa_pruning member.
10011         (new_var_info): Do not set it based on DECL_NO_TBAA_P.
10012         (unify_nodes): Do not copy it.
10013         (find_func_aliases): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
10014         (dump_solution_for_var): Do not dump no_tbaa_pruning state.
10015         (set_uids_in_ptset): Do not check it.
10016         (find_what_var_points_to): Likewise.
10017         (compute_tbaa_pruning): Remove.
10018         (compute_points_to_sets): Do not call it.
10019         * tree.c (walk_tree_1): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
10020         * tree.def (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
10021         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Remove.
10022         (CHANGE_DYNAMIC_TYPE_LOCATION): Likewise.
10023         (DECL_NO_TBAA_P): Likewise.
10024         (struct tree_decl_common): Move no_tbaa_flag to unused flags section.
10025         * omp-low.c (copy_var_decl): Do not copy DECL_NO_TBAA_P.
10026         (expand_omp_atomic_pipeline): Do not set it.
10027         * print-tree.c (print_node): Do not dump it.
10028         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
10029         redundant check.
10030
10031 2009-05-22 Vladimir Makarov <vmakarov@redhat.com>
10032
10033         PR target/39856
10034         * reg-stack.c (subst_stack_regs_pat): Remove gcc_assert for note
10035         for clobber.
10036
10037 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
10038
10039         * tree.c (handle_dll_attribute): Mark dllexport'd inlines as
10040         non-external.
10041
10042 2009-05-22  Ben Elliston  <bje@au.ibm.com>
10043
10044         * Makefile.in (bversion.h, s-bversion): New targets.
10045         (TOPLEV_H): Add bversion.h.
10046         * toplev.h: Include "bversion.h".
10047         (ATTRIBUTE_GCC_DIAG): When building with checking disabled, use
10048         the __format__ attribute only if compiling with the same version
10049         of GCC as the sources (the "build version").
10050
10051 2009-05-22  Ben Elliston  <bje@au.ibm.com>
10052
10053         * c-format.c (handle_format_attribute): Fix comment typo.
10054
10055 2009-05-21  Steve Ellcey  <sje@cup.hp.com>
10056
10057         PR target/37846
10058         * config/ia64/ia64.opt (mfused-madd): New.
10059         * config/ia64/ia64.h (TARGET_DEFAULT): Set MASK_FUSED_MADD.
10060         * config/ia64/hpux.h (TARGET_DEFAULT): Ditto.
10061         * config/ia64/ia64.md (maddsf4, msubsf4, nmaddsf4,
10062         madddf4, madddf4_trunc, msubdf4, msubdf4_trunc, nmadddf4,
10063         nmadddf4_truncsf, maddxf4, maddxf4_truncsf, maddxf4_truncdf,
10064         msubxf4, msubxf4_truncsf msubxf4_truncdf, nmaddxf4,
10065         nmaddxf4_truncsf, nmaddxf4_truncdf): Check TARGET_FUSED_MADD.
10066         * config/ia64/vect.md (addv2sf3, subv2sf3): Force fpma/fpms
10067         instruction if !TARGET_FUSED_MADD.
10068         (fpma, fpms): Remove colon from name.
10069
10070 2009-05-22  Richard Guenther  <rguenther@suse.de>
10071
10072         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
10073         TMR_ORIGINAL.  Always either record TMR_SYMBOL or TMR_BASE.
10074         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
10075         TARGET_MEM_REF.
10076         (create_expression_by_pieces): Only convert if necessary.
10077         * gimplify.c (gimplify_expr): Handle TARGET_MEM_REF.
10078         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Handle INTEGER_CST.
10079
10080 2009-05-21  Adam Nemet  <anemet@caviumnetworks.com>
10081
10082         * config/mips/mips.md (*extzv_trunc<mode>_exts): Turn into a
10083         regular pattern from a template and rename it ...
10084         (*extzv_truncsi_exts): ... to this.
10085
10086 2009-05-21  Richard Guenther  <rguenther@suse.de>
10087
10088         * cgraph.h (struct cgraph_node): Remove inline_decl member.
10089         * ipa-inline.c (cgraph_mark_inline_edge): Do not check it.
10090         (cgraph_default_inline_p): Likewise.
10091         (cgraph_decide_inlining_incrementally): Likewise.
10092
10093 2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10094             Uros Bizjak  <ubizjak@gmail.com>
10095
10096         * config/i386/cpuid.h (bit_MOVBE): New.
10097
10098         * config/i386/driver-i386.c (host_detect_local_cpu): Check movbe.
10099
10100         * config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New.
10101         (OPTION_MASK_ISA_MOVBE_UNSET): Likewise.
10102         (ix86_handle_option): Handle OPT_mmovbe.
10103         (ix86_target_string): Add -mmovbe.
10104         (pta_flags): Add PTA_MOVBE.
10105         (processor_alias_table): Add PTA_MOVBE to "atom".
10106         (override_options): Handle PTA_MOVBE.
10107
10108         * config/i386/i386.h (TARGET_MOVBE): New.
10109
10110         * config/i386/i386.md (bswapsi2): Check TARGET_MOVBE.
10111         (*bswapsi_movbe): New.
10112         (*bswapdi_movbe): Likewise.
10113         (bswapdi2): Renamed to ...
10114         (*bswapdi_1): This.
10115         (bswapdi2): New expander.
10116
10117         * config/i386/i386.opt (mmovbe): New.
10118
10119         * doc/invoke.texi: Document -mmovbe.
10120
10121 2009-05-21  Taras Glek  <tglek@mozilla.com>
10122
10123         * plugin.c (try_init_one_plugin): Updated to new plugin_init API.
10124         * gcc-plugin.h (plugin_init): Updated signature.
10125         * gcc-plugin.h (plugin_name_args): Moved to this header.
10126         * doc/plugins.texi (plugin_init): Updated documention to reflect
10127         API change.
10128         * doc/plugins.texi (plugin_name_args): Added to documention.
10129
10130 2009-05-21  Mark Mitchell  <mark@codesourcery.com>
10131
10132         * config/arm/neon.md (*mul<mode>3add<mode>_neon): New pattern.
10133         (*mul<mode>3neg<mode>add<mode>_neon): Likewise.
10134
10135 2009-05-21  Shujing Zhao  <pearly.zhao@oracle.com>
10136
10137         * config/i386/i386.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P and
10138         JUMP_TABLE_DATA_P predicates where applicable.
10139         * config/i386/predicates.md: Ditto.
10140         * config/i386/sse.md: Ditto.
10141
10142 2009-05-21  Jakub Jelinek  <jakub@redhat.com>
10143
10144         * config/i386/i386.md (adddi_4_rex64, addsi_4, addhi_4): For
10145         operand2 -128 override length_immediate attribute to 1.
10146         * config/i386/predicates.md (constm128_operand): New predicate.
10147
10148         * config/i386/i386.c (memory_address_length): Handle %r12
10149         the same as %rsp and %r13 the same as %rbp.  For %rsp and %rbp
10150         also check REGNO.
10151         (ix86_attr_length_address_default): For MODE_SI lea in 64-bit
10152         mode look through optional ZERO_EXTEND and SUBREG.
10153         * config/i386/i386.md (R12_REG): New define_constant.
10154         (prefix_data16): For sse unit set also for MODE_TI insns.
10155         (prefix_rex): For -m32 always return 0.  For TYPE_IMOVX
10156         insns set if operand 1 is ext_QIreg_operand.
10157         (modrm): For TYPE_IMOV clear only if not MODE_DI.  For
10158         TYPE_{ALU{,1},ICMP,TEST} insn clear if there is non-shortened
10159         immediate.
10160         (*movdi_extzv_1, zero_extendhidi2, zero_extendqidi2): Change
10161         mode from MODE_DI to MODE_SI.
10162         (movdi_1_rex64): Override modrm and length_immediate attributes
10163         only for movabs (TYPE_IMOV, alternative 2).
10164         (zero_extendsidi2_rex64): Clear prefix_0f attribute if TYPE_IMOVX.
10165         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit,
10166         *float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit,
10167         *float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit,
10168         *float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Set
10169         prefix_rex attribute if DImode.
10170         (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64, *adddi_5_rex64,
10171         *addsi_1, *addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
10172         *addsi_3_zext, *addsi_5, *addhi_1_lea, *addhi_1, *addhi_2, *addhi_3,
10173         *addhi_5, *addqi_1_lea, *addqi_1): Override length_immediate
10174         attribute to 1 if TYPE_ALU and operand 2 is const128_operand.
10175         (pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64):
10176         Likewise.  For TYPE_IMOV clear length_immediate attribute.
10177         (*ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashldi3_cconly_rex64,
10178         *ashlsi3_1, *ashlsi3_1_zext, *ashlsi3_cmp, **ashlsi3_cconly,
10179         *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1, *ashlhi3_cmp,
10180         *ashlhi3_cconly, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
10181         *ashlqi3_cconly): Override length_immediate attribute to 0 if TYPE_ALU
10182         or one operand TYPE_ISHIFT.
10183         (*ashrdi3_1_one_bit_rex64, *ashrdi3_one_bit_cmp_rex64,
10184         *ashrdi3_one_bit_cconly_rex64, *ashrsi3_1_one_bit,
10185         *ashrsi3_1_one_bit_zext, *ashrsi3_one_bit_cmp,
10186         *ashrsi3_one_bit_cconly, *ashrsi3_one_bit_cmp_zext,
10187         *ashrhi3_1_one_bit, *ashrhi3_one_bit_cmp, *ashrhi3_one_bit_cconly,
10188         *ashrqi3_1_one_bit, *ashrqi3_1_one_bit_slp, *ashrqi3_one_bit_cmp,
10189         *ashrqi3_one_bit_cconly, *lshrdi3_1_one_bit_rex64,
10190         *lshrdi3_cmp_one_bit_rex64, *lshrdi3_cconly_one_bit_rex64,
10191         *lshrsi3_1_one_bit, *lshrsi3_1_one_bit_zext, *lshrsi3_one_bit_cmp,
10192         *lshrsi3_one_bit_cconly, *lshrsi3_cmp_one_bit_zext,
10193         *lshrhi3_1_one_bit, *lshrhi3_one_bit_cmp, *lshrhi3_one_bit_cconly,
10194         *lshrqi3_1_one_bit, *lshrqi3_1_one_bit_slp, *lshrqi2_one_bit_cmp,
10195         *lshrqi2_one_bit_cconly, *rotlsi3_1_one_bit_rex64, *rotlsi3_1_one_bit,
10196         *rotlsi3_1_one_bit_zext, *rotlhi3_1_one_bit, *rotlqi3_1_one_bit_slp,
10197         *rotlqi3_1_one_bit, *rotrdi3_1_one_bit_rex64, *rotrsi3_1_one_bit,
10198         *rotrsi3_1_one_bit_zext, *rotrhi3_one_bit, *rotrqi3_1_one_bit,
10199         *rotrqi3_1_one_bit_slp): Override length_immediate attribute to 0,
10200         set mode attribute, don't override length attribute.
10201         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Set prefix_0f attribute
10202         to 1.
10203         (return_internal_long): Set length attribute to 2 instead of 1.
10204         (*strmovqi_rex_1, *strsetqi_rex_1, *rep_stosqi_rex64,
10205         *cmpstrnqi_nz_rex_1, *cmpstrnqi_rex_1, *strlenqi_rex_1): Clear
10206         prefix_rex attribute.
10207         * config/i386/predicates.md (ext_QIreg_operand, const128_operand):
10208         New predicates.
10209         (memory_displacement_only_operand): Always return 0 for TARGET_64BIT.
10210
10211 2009-05-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10212
10213         * config/arm/thumb2.md (orsi_notsi_si): Fix typo in pattern.
10214
10215 2009-05-20  Ian Lance Taylor  <iant@google.com>
10216
10217         * tree.c (build_tree_list_vec_stat): New function.
10218         (ctor_to_vec): New function.
10219         (build_nt_call_vec): New function.
10220         (build_call_array): Change args to be a const pointer.
10221         (build_call_vec): New function.
10222         * tree.h (build_nt_call_vec): Declare.
10223         (build_tree_list_vec_stat): Declare.
10224         (build_tree_list_vec): Define.
10225         (build_call_array): Update declaration.
10226         (build_call_vec): Declare.
10227         (ctor_to_vec): Declare.
10228         * c-common.c (tree_vector_cache): New static variable.
10229         (make_tree_vector): New function.
10230         (release_tree_vector): New function.
10231         (make_tree_vector_single): New function.
10232         (make_tree_vector_copy): New function.
10233         * c-common.h (tree_vector_cache, make_tree_vector): Declare.
10234         (make_tree_vector_single, make_tree_vector_copy): Declare.
10235         * c-parser.c (cached_expr_list_1, cached_expr_list_2): Remove.
10236         (c_parser_expr_list): Don't manage cache here, instead call
10237         make_tree_vector.
10238         (c_parser_release_expr_list): Remove static function.
10239         (c_parser_vec_to_tree_list): Remove static function.
10240         (c_parser_attributes): Call build_tree_list_vec instead of
10241         c_parser_vec_to_tree_list.  Call release_tree_vector instead of
10242         c_parser_release_expr_list.
10243         (c_parser_postfix_expression_after_primary): Likewise.
10244         (c_parser_objc_keywordexpr): Likewise.
10245
10246 2009-05-20  Sandra Loosemore  <sandra@codesourcery.com>
10247
10248         * doc/tm.texi (Misc): Document TARGET_INVALID_PARAMETER_TYPE,
10249         TARGET_INVALID_RETURN_TYPE, TARGET_PROMOTED_TYPE, and
10250         TARGET_CONVERT_TO_TYPE.
10251         * hooks.c (hook_tree_const_tree_null): Define.
10252         * hooks.h (hook_tree_const_tree_null): Declare.
10253         * target.h (struct gcc_target):  Add invalid_parameter_type,
10254         invalid_return_type, promoted_type, and convert_to_type fields.
10255         * target-def.h: (TARGET_INVALID_PARAMETER_TYPE): Define.
10256         (TARGET_INVALID_RETURN_TYPE): Define.
10257         (TARGET_PROMOTED_TYPE): Define.
10258         (TARGET_CONVERT_TO_TYPE): Define.
10259         (TARGET_INITIALIZER): Update for new fields.
10260         * c-decl.c (grokdeclarator): Check targetm.invalid_return_type.
10261         (grokparms): Check targetm.invalid_parameter_type.
10262         * c-typeck.c (default_conversion): Check targetm.promoted_type.
10263         * c-convert.c (convert): Check targetm.convert_to_type.
10264
10265 2009-05-20  Adam Nemet  <anemet@caviumnetworks.com>
10266
10267         * config/mips/mips.md (*extenddi_truncate<mode>,
10268         *extendsi_truncate<mode>): Emit exts if supported.  Add attribute
10269         defintions.
10270         (*extendhi_truncateqi): New define_insn_and_sptit.
10271
10272 2009-05-20  Jakub Jelinek  <jakub@redhat.com>
10273
10274         PR middle-end/40204
10275         * fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite
10276         recursion if build_int_cst_type returns the same INTEGER_CST as arg1.
10277
10278 2009-05-20  Eric Botcazou  <ebotcazou@adacore.com>
10279
10280         * fold-const.c (build_fold_addr_expr_with_type): Take the address of
10281         the operand of VIEW_CONVERT_EXPR.
10282
10283 2009-05-20  H.J. Lu  <hongjiu.lu@intel.com>
10284
10285         * config/i386/driver-i386.c (host_detect_local_cpu): Check
10286         extended family and model for Intel processors.  Support Intel Atom.
10287
10288 2009-05-20  Olivier Hainque  <hainque@adacore.com>
10289
10290         * gstab.h (stab_code_type): Define, to be used instead of the
10291         __stab_debug_code enum, made anonymous.  Add 2009 to the copyright
10292         notice.
10293         * dbxout.c (STAB_CODE_TYPE): Remove #define and replace use
10294         occurrences by stab_code_type.
10295         * mips-tfile.c (STAB_CODE_TYPE): Remove #define, unused.
10296
10297 2009-05-20  Martin Jambor  <mjambor@suse.cz>
10298
10299         * tree-flow.h (insert_edge_copies_seq): Undeclare.
10300         (sra_insert_before): Likewise.
10301         (sra_insert_after): Likewise.
10302         (sra_init_cache): Likewise.
10303         (sra_type_can_be_decomposed_p): Likewise.
10304         * tree-mudflap.c (insert_edge_copies_seq): Copied here from tree-sra.c
10305         * tree-sra.c (sra_type_can_be_decomposed_p): Made static.
10306         (sra_insert_before): Likewise.
10307         (sra_insert_after): Likewise.
10308         (sra_init_cache): Likewise.
10309         (insert_edge_copies_seq): Made static and moved upwards.
10310
10311         * tree-complex.c (extract_component): Added VIEW_CONVERT_EXPR switch
10312         case.
10313
10314         * tree-flow-inline.h (contains_view_convert_expr_p): New function.
10315
10316         * ipa-prop.c (get_ssa_def_if_simple_copy): New function.
10317         (determine_cst_member_ptr): Call get_ssa_def_if_simple_copy to skip
10318         simple copies.
10319
10320 2009-05-20  Richard Guenther  <rguenther@suse.de>
10321
10322         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
10323         with mismatched comparison modes.
10324
10325 2009-05-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10326
10327         * config/arm/arm.md (*arm_iorsi3): Refactored for only ARM.
10328         (peephole ior (reg, int) -> mov, ior): Refactored for only ARM.
10329         * config/arm/thumb2.md (*thumb_andsi_not_shiftsi_si): Allow bic
10330         with shifts for Thumb2.
10331         (orsi_notsi): New for orn.
10332         (*thumb_orsi_notshiftsi_si): Allow orn with shifts.
10333         (*thumb2_iorsi3): Rewrite support for iorsi for Thumb2.
10334         * config/arm/arm.c (const_ok_for_op): Split case for IOR for Thumb2.
10335         (arm_gen_constant): Set can_invert for IOR and Thumb2, Add comments.
10336         Don't invert remainder for IOR.
10337
10338 2009-05-19  Zdenek Dvorak  <ook@ucw.cz>
10339
10340         PR tree-optimization/40087
10341         * tree-ssa-loop-niter.c (number_of_iterations_ne_max,
10342         number_of_iterations_ne): Rename never_infinite argument.
10343         (number_of_iterations_lt_to_ne, number_of_iterations_lt,
10344         number_of_iterations_le): Handle pointer-type ivs when
10345         exit_must_be_taken is false.
10346         (number_of_iterations_cond):  Do not always assume that
10347         exit_must_be_taken if the control variable is a pointer.
10348
10349 2009-05-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10350
10351         * c-typeck.c (build_binary_op): Allow % on integal vectors.
10352         * doc/extend.texi (Vector Extension): Document that % is allowed too.
10353
10354 2009-05-19  H.J. Lu  <hongjiu.lu@intel.com>
10355
10356         * config/i386/i386.c (ix86_avoid_jump_mispredicts): Check
10357         ASM_OUTPUT_MAX_SKIP_PAD instead of ASM_OUTPUT_MAX_SKIP_ALIGN.
10358
10359 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10360
10361         PR c/40172
10362         * c.opt (Wlogical-op): Disabled by default.
10363         * c-opt (c_common_post_options): Do not enable Wlogical-op with
10364         Wextra.
10365         * doc/invoke.texi (Wlogical-op): Likewise.
10366
10367 2009-05-19  Eric Botcazou  <ebotcazou@adacore.com>
10368
10369         * tree-scalar-evolution.c (follow_ssa_edge_expr) <NOP_EXPR>: Turn
10370         into CASE_CONVERT.
10371         <PLUS_EXPR>: Strip useless type conversions instead of type nops.
10372         Propagate the type of the first operand.
10373         <ASSERT_EXPR>: Simplify.
10374         (follow_ssa_edge_in_rhs): Use gimple_expr_type to get the type.
10375         Rewrite using the RHS code as discriminant.
10376         <NOP_EXPR>: Turn into CASE_CONVERT.
10377         <PLUS_EXPR>: Propagate the type of the first operand.
10378
10379 2009-05-19  Steve Ellcey  <sje@cup.hp.com>
10380
10381         * config/ia64/ia64-protos.h (ia64_dconst_0_5): New.
10382         (ia64_dconst_0_375): New.
10383         * config/ia64/ia64.c (ia64_override_options): Remove
10384         -minline-sqrt-min-latency warning.
10385         (ia64_dconst_0_5_rtx, ia64_dconst_0_5): New.
10386         (ia64_dconst_0_375_rtx, ia64_dconst_0_375): New
10387         * config/ia64/ia64.md (*sqrt_approx): Remove.
10388         (sqrtsf2): Remove #if 0.
10389         (sqrtsf2_internal_thr): Rewrite and move to div.md.
10390         (sqrtdf): Remove assert.
10391         (sqrtdf2_internal_thr): Rewrite and move to div.md.
10392         (sqrtxf2): Remove #if 0.
10393         (sqrtxf2_internal_thr): Rewrite and move to div.md.
10394         * div.md (sqrt_approx_rf): New.
10395         (sqrtsf2_internal_thr): New implementation.
10396         (sqrtsf2_internal_lat): New.
10397         (sqrtdf2_internal_thr: New implementation.
10398         (sqrtxf2_internal): New implementation.
10399
10400 2009-05-19  Francois-Xavier Coudert  <fxcoudert@gmail.com>
10401             Hans-Peter Nilsson  <hp@axis.com>
10402
10403         * defaults.h (UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE)
10404         (WCHAR_TYPE, MODIFIED_WCHAR_TYPE, PTRDIFF_TYPE, WINT_TYPE)
10405         (INTMAX_TYPE, UINTMAX_TYPE, SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE)
10406         (INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE)
10407         (UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE)
10408         (INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE)
10409         (UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE)
10410         (INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE)
10411         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE)
10412         (SIZE_TYPE, PID_TYPE, CHAR16_TYPE, CHAR32_TYPE): Move defaults here...
10413         * c-common.c: ...from here.
10414
10415 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10416
10417         * c-common.c (warn_logical_operator): Remove unnecessary conditionals.
10418
10419 2009-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10420
10421         * builtins.c (do_mpc_arg1): Separate MPFR/MPC C rounding types.
10422
10423 2009-05-19  Ben Elliston  <bje@au.ibm.com>
10424
10425         * unwind-dw2-fde.c (fde_unencoded_compare): Replace type punning
10426         assignments with memcpy calls.
10427         (add_fdes): Likewise.
10428         (binary_search_unencoded_fdes): Likewise.
10429         (linear_search_fdes): Eliminate type puns.
10430
10431 2009-05-19  Richard Guenther  <rguenther@suse.de>
10432
10433         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
10434         not falsely claim to have propagated into all uses.
10435
10436 2009-05-19  Ben Elliston  <bje@au.ibm.com>
10437
10438         * doc/invoke.texi (C Dialect Options): Update OpenMP specification
10439         version to v3.0.
10440
10441 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
10442
10443         * config/sh/sh-protos.h (sh_legitimate_address_p): Remove.
10444         * config/sh/sh.c (sh_legitimate_address_p): Make static.
10445         (TARGET_LEGITIMATE_ADDRESS_P): New.
10446         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
10447         * config/sh/sh.md: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
10448
10449 2009-05-18  Dodji Seketeli  <dodji@redhat.com>
10450
10451         PR debug/40109
10452         * dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
10453         child of the containing namespace's DIE.
10454
10455 2009-05-18  Adam Nemet  <anemet@caviumnetworks.com>
10456
10457         * config/mips/mips.md (*zero_extend<GPR:mode>_trunc<SHORT:mode>,
10458         *zero_extendhi_truncqi):  Move after the zero_extend patterns.
10459         (*extenddi_truncate<mode>, *extendsi_truncate<mode>): Move after the
10460         extend patterns.
10461
10462 2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>
10463
10464         PR target/39942
10465         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
10466         gen_align with gen_pad.
10467         (ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
10468         #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.
10469
10470         * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
10471         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
10472
10473         * config/i386/i386.md (align): Renamed to ...
10474         (pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
10475         ASM_OUTPUT_MAX_SKIP_PAD.
10476
10477 2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>
10478
10479         * config.gcc: Fix variable syntax.
10480
10481         PR target/39531
10482         * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
10483         before calling exact_log2.
10484         (output_iorsi3): Likewise.
10485         (output_xorsi3): Likewise.
10486
10487 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
10488
10489         * config/sh/sh.c (expand_cbranchdi4): Use a scratch register
10490         for the none zero constant operand except for EQ and NE
10491         comprisons even when the first operand is R0.
10492
10493 2009-05-18  Andreas Krebbel  <krebbel1@de.ibm.com>
10494
10495         * config/s390/2064.md: Remove trailing whitespaces.
10496         * config/s390/2084.md: Likewise.
10497         * config/s390/constraints.md: Likewise.
10498         * config/s390/fixdfdi.h: Likewise.
10499         * config/s390/libgcc-glibc.ver: Likewise.
10500         * config/s390/s390-modes.def: Likewise.
10501         * config/s390/s390-protos.h: Likewise.
10502         * config/s390/s390.c: Likewise.
10503         * config/s390/s390.h: Likewise.
10504         * config/s390/s390.md: Likewise.
10505         * config/s390/tpf-unwind.h: Likewise.
10506
10507 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
10508
10509         * config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature.
10510
10511 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
10512
10513         M68K TLS support.
10514         * configure.ac (m68k-*-*): Check if binutils support TLS.
10515         * configure: Regenerate.
10516         * config/m68k/predicates.md (symbolic_operand): Extend comment.
10517         * config/m68k/constraints.md (Cu): New constraint.
10518         * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
10519         (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
10520         (movsi): Handle TLS symbols.
10521         (addsi3_5200): Handle XTLS symbols, indent.
10522         * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
10523         (m68k_tls_reference_p): Declare.
10524         (m68k_legitimize_address): Declare.
10525         (m68k_unwrap_symbol): Declare.
10526         * config/m68k/m68k.opt (mxtls): New option.
10527         * config/m68k/m68k.c (ggc.h): Include.
10528         (m68k_output_dwarf_dtprel): Implement hook.
10529         (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
10530         (m68k_expand_prologue): Load GOT pointer when function needs it.
10531         (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
10532         (m68k_legitimate_constant_address_p): Same.
10533         (m68k_decompose_address): Handle TLS references.
10534         (m68k_get_gp): New static function.
10535         (enum m68k_reloc): New contants.
10536         (TLS_RELOC_P): New macro.
10537         (m68k_wrap_symbol): New static function.
10538         (m68k_unwrap_symbol): New function.
10539         (m68k_final_prescan_insn_1): New static function.
10540         (m68k_final_prescan_insn): New function.
10541         (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
10542         functions.
10543         (legitimize_pic_address): Handle TLS references..
10544         (m68k_tls_get_addr, m68k_get_tls_get_addr)
10545         (m68k_libcall_value_in_a0_p)
10546         (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
10547         (m68k_call_m68k_read_tp): Helper variables and functions for ...
10548         (m68k_legitimize_tls_address): Handle TLS references.
10549         (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
10550         New functions.
10551         (m68k_legitimize_address): Handle TLS symbols.
10552         (m68k_get_reloc_decoration): New static function.
10553         (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
10554         UNSPEC_RELOC32.
10555         (m68k_output_dwarf_dtprel): Implement hook.
10556         (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
10557         (m68k_libcall_value): Return result in A0 instead of D0 when asked by
10558         m68k_call_* routines.
10559         (sched_attr_op_type): Handle TLS symbols.
10560         (gt-m68k.h): Include.
10561         * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
10562         (LEGITIMATE_PIC_OPERAND_P): Support TLS.
10563
10564 2009-05-18  Martin Jambor  <mjambor@suse.cz>
10565
10566         * ipa-prop.c (ipa_check_stmt_modifications): Removed.
10567         (visit_store_addr_for_mod_analysis): New function.
10568         (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
10569         (determine_cst_member_ptr): Use gimple_assign_single_p.
10570         (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
10571         (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
10572         operands.  Don't check number of operands of a NOP_EXPR.
10573
10574 2009-05-18  Eric Fisher  <joefoxreal@gmail.com>
10575
10576         * doc/tree-ssa.texi (SSA Operands): Fix a mistake.
10577
10578 2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10579
10580         PR c/40172
10581         * c-common.c (warn_logical_operator): Don't warn if one of
10582         expression isn't always true or false.
10583
10584 2009-05-17  Kai Tietz  <kai.tietz@onevision.com>
10585
10586         * config/i386/biarch32.h: New file.
10587         * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.
10588
10589 2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>
10590
10591         * config/mips/mips.md (*zero_extend<mode>_trunchi,
10592         *zero_extend<mode>_truncqi): Merge these into ...
10593         (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
10594         Name the pattern following this as *zero_extendhi_truncqi.
10595
10596 2009-05-16  Brad Lucier  <lucier@math.purdue.edu>
10597
10598         PR middle-end/39301
10599         * hwint.h: Add macro HOST_WIDEST_INT_PRINT.
10600         * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
10601         (output_info): Make field HOST_WIDEST_INT.
10602         (print_statistics): Use HOST_WIDEST_INT_PRINT.
10603         (dump_bitmat_statistics): Same.
10604
10605 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>
10606
10607         * config.gcc (use_gcc_stdint):  Set to wrap.
10608         * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
10609         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
10610         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
10611         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
10612         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
10613         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
10614         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
10615         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
10616
10617 2009-05-16  Joseph Myers  <joseph@codesourcery.com>
10618
10619         * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
10620         tune_64.
10621         * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
10622         Move definitions earlier.
10623         (OPT_ARCH64, OPT_ARCH32): Define.
10624         (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
10625         and tune_64.
10626
10627 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
10628
10629         PR target/40153
10630         * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
10631         implies.
10632
10633 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
10634
10635         * arm.md (movdi2): Copy non-reg values to DImode registers.
10636
10637 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
10638
10639         PR target/39942
10640         * final.c (label_to_max_skip): New function.
10641         (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
10642         CODE_LABEL_NUMBER <= max_labelno.
10643         * output.h (label_to_max_skip): New prototype.
10644         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
10645         (ix86_avoid_jump_mispredicts): ... this.  Don't define if
10646         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
10647         Handle CODE_LABELs with >= 16 byte alignment or with
10648         max_skip == (1 << align) - 1.
10649         (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
10650         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
10651
10652         PR target/39942
10653         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
10654         .p2align 3 if MAX_SKIP is smaller than 7.
10655         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
10656
10657 2009-05-15  Ian Lance Taylor  <iant@google.com>
10658
10659         * alias.c (struct alias_set_entry_d): Rename from struct
10660         alias_set_entry.  Change all uses.
10661         * except.c (struct call_site_record_d): Rename from struct
10662         call_site_record.  Change all uses.
10663         * except.h (struct eh_region_d): Rename from struct eh_region.
10664         Change all uses.
10665         * gcse.c (struct hash_table_d): Rename from struct hash_table.
10666         Change all uses.
10667         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
10668         ivtype_map_elt.  Change all uses.
10669         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
10670         Change all uses.
10671         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
10672         * graphite.h (struct name_tree_d): Rename from struct name_tree.
10673         Change all uses.
10674         (struct sese_d): Rename from struct sese.  Change all uses.
10675         * omega.h (struct eqn_d): Rename from struct eqn.  Change all uses.
10676         (struct omega_pb_d): Rename from struct omega_pb.  Change all uses.
10677         * optabs.h (struct optab_d): Rename from struct optab.  Change all
10678         uses.
10679         (struct convert_optab_d): Rename from struct convert_optab.
10680         Change all uses.
10681         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
10682         ipa_opt_pass.  Change all uses.
10683         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
10684         all uses.
10685
10686         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
10687         defined as a typedef.
10688         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
10689         defined as a tag.
10690
10691 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10692
10693         PR 16302
10694         * fold-const.c (make_range,build_range_check,merge_ranges): Move
10695         declaration to...
10696         (merge_ranges): Returns bool.
10697         * tree.h (make_range): .. to here.
10698         (build_range_check): Likewise.
10699         (merge_ranges): Likewise. Renamed from merge_ranges.
10700         * c-typeck.c (parser_build_binary_op): Update calls to
10701         warn_logical_operator.
10702         * c-common.c (warn_logical_operator): Add new warning.
10703         * c-common.h (warn_logical_operator): Update declaration.
10704
10705 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10706
10707         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong conditional.
10708
10709 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10710
10711         * doc/install.texi: Document MPC requirements, flags etc.
10712
10713         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
10714         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
10715         Evaluate constant arguments.
10716         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
10717         (fold_builtin_1): Likewise, also evaluate constant arguments.
10718         Remove superfluous break.
10719         (do_mpc_ckconv): New.
10720         * real.h: Include mpc.h.
10721         * toplev.c (print_version): Output MPC version info if available.
10722
10723 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
10724
10725         * fold-const.c (fold_convert_const_real_from_real): Check for overflow.
10726
10727 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
10728
10729         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
10730         only once.
10731
10732 2009-05-15  Jan Hubicka  <jh@suse.cz>
10733
10734         * doc/invoke.texi (max-early-inliner-iterations): New flag.
10735         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
10736         (try_inline): Fix return value.
10737         (cgraph_decide_inlining_incrementally): Honor new value.
10738         (cgraph_early_inlining): Handle indirect inlining.
10739         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
10740
10741 2009-05-15  Jan Hubicka  <jh@suse.cz>
10742
10743         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
10744         * cgraphunit.c (cgraph_finalize_function): Set it.
10745         (cgraph_expand_function): Use it.
10746
10747 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
10748
10749         * real.c (encode_ieee_half): Define.
10750         (decode_ieee_half): Define.
10751         (ieee_half_format): Define.
10752         (arm_half_format): Define.
10753         * real.h (ieee_half_format): Declare.
10754         (arm_half_format): Declare.
10755
10756 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
10757
10758         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
10759         swapped, and reversed optabs exist before trying to use them.
10760
10761 2009-05-15  Paul Brook  <paul@codesourcery.com>
10762             Sandra Loosemore  <sandra@codesourcery.com>
10763
10764         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
10765         loads.  Allow PRE_DEC.
10766         (output_move_neon): Handle PRE_DEC.
10767         (arm_print_operand): Add 'A' for neon structure loads.
10768         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
10769         * config/arm/neon.md (neon_mov): Update comment.
10770         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
10771         calls.
10772         (Um): New constraint.
10773
10774 2009-05-15  Jan Hubicka  <jh@suse.cz>
10775
10776         Revert the following patch until testsuite fallout is fixed:
10777         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
10778         * cgraph.h (struct inline_summary): New filed self_wize,
10779         size_inlining_benefit, self_time and time_inlining_benefit.
10780         (struct cgraph_global_info): Replace insns by time ans size fields.
10781         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
10782         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
10783         (ipcp_update_callgraph): Do not touch function bodies.
10784         * ipa-inline.c: Include except.h
10785         (MAX_TIME): New constant.
10786         (overall_insns): Remove
10787         (overall_size, max_benefit): New static variables.
10788         (cgraph_estimate_time_after_inlining): New function.
10789         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
10790         (cgraph_clone_inlined_nodes): Update size.
10791         (cgraph_mark_inline_edge): Update size.
10792         (cgraph_estimate_growth): Use size info.
10793         (cgraph_check_inline_limits): Check size.
10794         (cgraph_default_inline_p): Likewise.
10795         (cgraph_edge_badness): Compute badness based on benefit and size cost.
10796         (cgraph_decide_recursive_inlining): Check size.
10797         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
10798         and times.
10799         (cgraph_decide_inlining): Likewise.
10800         (cgraph_decide_inlining_incrementally): Likewise; honor
10801         PARAM_EARLY_INLINING_INSNS.
10802         (likely_eliminated_by_inlining_p): New predicate.
10803         (estimate_function_body_sizes): New function.
10804         (compute_inline_parameters): Use it.
10805         * except.c (must_not_throw_labels): New function.
10806         * except.h (must_not_throw_labels): Declare.
10807         * tree-inline.c (init_inline_once): Kill inlining_weigths
10808         * tree-ssa-structalias.c: Avoid uninitialized warning.
10809         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
10810         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
10811         (PARAM_INLINE_CALL_COST): Remove.
10812         (PARAM_EARLY_INLINING_INSNS): New.
10813
10814 2009-05-15  Richard Guenther  <rguenther@suse.de>
10815
10816         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
10817         not TODO_update_ssa.
10818
10819 2009-05-15  Richard Guenther  <rguenther@suse.de>
10820
10821         PR tree-optimization/39999
10822         * gimple.h (gimple_expr_type): Use the expression type looking
10823         through useless conversions.
10824         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
10825         (vn_nary_op_insert_stmt): Likewise.
10826         (simplify_binary_expression): Likewise.
10827
10828 2009-05-15  Richard Guenther  <rguenther@suse.de>
10829
10830         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
10831         New options, enabled by default.
10832         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
10833         Document.
10834         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
10835         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
10836         * tree-ssa-structalias.c (gate_tree_pta): New function.
10837         (pass_build_alias): Use it.
10838
10839 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
10840
10841         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
10842         recurse on an invariant address if a conversion from a pointer
10843         type to a wider integer type is involved.
10844
10845 2009-05-15  Jan Hubicka  <jh@suse.cz>
10846
10847         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
10848         * cgraph.h (struct inline_summary): New filed self_wize,
10849         size_inlining_benefit, self_time and time_inlining_benefit.
10850         (struct cgraph_global_info): Replace insns by time ans size fields.
10851         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
10852         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
10853         (ipcp_update_callgraph): Do not touch function bodies.
10854         * ipa-inline.c: Include except.h
10855         (MAX_TIME): New constant.
10856         (overall_insns): Remove
10857         (overall_size, max_benefit): New static variables.
10858         (cgraph_estimate_time_after_inlining): New function.
10859         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
10860         (cgraph_clone_inlined_nodes): Update size.
10861         (cgraph_mark_inline_edge): Update size.
10862         (cgraph_estimate_growth): Use size info.
10863         (cgraph_check_inline_limits): Check size.
10864         (cgraph_default_inline_p): Likewise.
10865         (cgraph_edge_badness): Compute badness based on benefit and size cost.
10866         (cgraph_decide_recursive_inlining): Check size.
10867         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
10868         and times.
10869         (cgraph_decide_inlining): Likewise.
10870         (cgraph_decide_inlining_incrementally): Likewise; honor
10871         PARAM_EARLY_INLINING_INSNS.
10872         (likely_eliminated_by_inlining_p): New predicate.
10873         (estimate_function_body_sizes): New function.
10874         (compute_inline_parameters): Use it.
10875         * except.c (must_not_throw_labels): New function.
10876         * except.h (must_not_throw_labels): Declare.
10877         * tree-inline.c (init_inline_once): Kill inlining_weigths
10878         * tree-ssa-structalias.c: Avoid uninitialized warning.
10879         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
10880         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
10881         (PARAM_INLINE_CALL_COST): Remove.
10882         (PARAM_EARLY_INLINING_INSNS): New.
10883         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
10884         (inline-call-cost): Remove.
10885         (early-inlining-insns): New.
10886
10887 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
10888
10889         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
10890         for bounds.
10891         (print_int_cst_bounds_in_octal_p): Likewise.
10892         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
10893         with subtypes.
10894         * dwarf2out.c (base_type_die): Likewise.
10895         (is_subrange_type): Delete.
10896         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
10897         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
10898         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it
10899         if the destination type is boolean.
10900         (build_range_check): Do not special-case subtypes.
10901         (fold_sign_changed_comparison): Likewise.
10902         (fold_unary): Likewise.
10903         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
10904         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
10905         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
10906         * tree.c (subrange_type_for_debug_p): New predicate based on the
10907         former is_subrange_type.
10908         * tree.h (subrange_type_for_debug_p): Declare.
10909         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
10910         (convert_affine_scev): Remove call to above function.
10911         (chrec_convert_aggressive): Likewise.
10912         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
10913         false for conversions involving subtypes.
10914         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
10915         (vrp_val_min): Likewise.
10916         (needs_overflow_infinity): Likewise.
10917         (extract_range_from_unary_expr): Likewise.
10918
10919 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
10920
10921         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
10922         * config/frv/frv.c: Likewise.
10923         * config/s390/s390.c: Likewise.
10924         * config/sparc/sparc.h: Likewise.
10925         * config/i386/i386.h: Likewise.
10926         * config/i386/i386.c: Likewise.
10927         * config/crx/crx.c: Likewise.
10928         * config/m68hc11/m68hc11.h: Likewise.
10929         * config/iq2000/iq2000.c: Likewise.
10930         * config/mn10300/mn10300.h: Likewise.
10931         * config/mn10300/mn10300.c: Likewise.
10932         * config/m68k/m68k.c: Likewise.
10933         * config/rs6000/rs6000.c: Likewise.
10934         * config/rs6000/xcoff.h: Likewise.
10935         * config/rs6000/linux64.h: Likewise.
10936         * config/rs6000/sysv4.h: Likewise.
10937         * config/score/score3.c: Likewise.
10938         * config/score/score7.c: Likewise.
10939         * config/score/score.c: Likewise.
10940         * config/arm/arm.md: Likewise.
10941         * config/mips/mips.c: Likewise.
10942         * config/mips/mips.md: Likewise.
10943         * config/bfin/bfin.h: Likewise.
10944         * config/pa/pa.c: Likewise.
10945         * config/pa/constraints.md: Likewise.
10946
10947         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
10948         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
10949         * config/pdp11/pdp11.h: Use memory_address_p instead.
10950
10951 2009-05-14  Ian Lance Taylor  <iant@google.com>
10952
10953         * passes.c (finish_optimization_passes): Change i to int.
10954         * plugin.c (plugins_active_p): Change event to int.
10955         (dump_active_plugins): Likewise.
10956         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
10957         Add cast.
10958         * tree.c (tree_range_check_failed): Change c to unsigned int.
10959         (omp_clause_range_check_failed): Likewise.
10960         (build_common_builtin_nodes): Change mode to int.  Add cast.
10961         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
10962         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
10963
10964         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
10965         ++ or -- with a variable of enum type.
10966
10967 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
10968
10969         PR driver/40144
10970         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
10971
10972 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
10973
10974         * store-motion.c: Do not include params.h
10975         * Makefile.in: Fix dependencies for various files.
10976
10977 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
10978
10979         * auto-inc-dec.c: Fix pass description, remove apparent
10980         accidental duplication.
10981
10982 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
10983
10984         PR middle-end/40147
10985         * ipa-utils.h (memory_identifier_string): Moved to ...
10986         * tree.h (memory_identifier_string): Here.  Add GTY(()).
10987
10988 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
10989
10990         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
10991         in the former documentation of...
10992         (GO_IF_LEGITIMATE_ADDRESS): ... this.
10993         * ira-conflicts.c (get_dup_num): Use address_operand.
10994         * targhooks.c (default_legitimate_address_p): New.
10995         * targhooks.h (default_legitimate_address_p): New.
10996         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
10997         Call hook.
10998         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
10999         * target.h (struct target): Add legitimate_address_p.
11000         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
11001         (TARGET_INITIALIZER): Include it.
11002
11003         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11004         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
11005         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
11006         (TARGET_LEGITIMATE_ADDRESS_P): New.
11007
11008         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11009         (REG_OK_STRICT_P): Delete.
11010         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
11011         (frv_legitimate_address_p_1): ... this.
11012         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
11013         (frv_legitimate_address_p_1): ... the renamed old
11014         frv_legitimate_address_p.
11015         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
11016         (TARGET_LEGITIMATE_ADDRESS_P): New.
11017
11018         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11019         * config/s390/s390-protos.h (legitimate_address_p): Remove.
11020         * config/s390/s390.c (legitimate_address_p): Rename to...
11021         (s390_legitimate_address_p): ... this, make static.
11022         (legitimize_address): Adjust call.
11023         (TARGET_LEGITIMATE_ADDRESS_P): New.
11024         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
11025
11026         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11027         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
11028         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
11029         (TARGET_LEGITIMATE_ADDRESS_P): New.
11030
11031         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11032         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
11033         * config/spu/spu.c (spu_legitimate_address): Rename to...
11034         (spu_legitimate_address_p): ... this, make static.
11035         (TARGET_LEGITIMATE_ADDRESS_P): New.
11036
11037         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11038         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
11039         * config/sparc/sparc.c (legitimate_address_p): Rename to...
11040         (sparc_legitimate_address_p): ... this, make static and return bool.
11041         (legitimize_address): Adjust call.
11042         (TARGET_LEGITIMATE_ADDRESS_P): New.
11043
11044         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11045         * config/i386/i386-protos.h (legitimate_address_p): Remove.
11046         * config/i386/i386.c (legitimate_address_p): Rename to...
11047         (ix86_legitimate_address_p): ... this, make static.
11048         (constant_address_p): Move after it, adjust call.
11049         (TARGET_LEGITIMATE_ADDRESS_P): New.
11050
11051         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11052         * config/avr/avr-protos.h (legitimate_address_p): Remove.
11053         * config/avr/avr.c (legitimate_address_p): Rename to...
11054         (avr_legitimate_address_p): ... this, make static.
11055         (legitimize_address): Adjust call.
11056         (TARGET_LEGITIMATE_ADDRESS_P): New.
11057
11058         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11059         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
11060         * config/crx/crx.c (crx_legitimate_address_p): Make static.
11061         (TARGET_LEGITIMATE_ADDRESS_P): New.
11062
11063         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11064         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
11065         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
11066         (TARGET_LEGITIMATE_ADDRESS_P): New.
11067
11068         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11069         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
11070         Remove.
11071         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
11072         Make static.
11073         (TARGET_LEGITIMATE_ADDRESS_P): New.
11074
11075         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11076         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
11077         Remove.
11078         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
11079         Rename to...
11080         (m68hc11_legitimate_address_p): ... this, make static.
11081         (go_if_legitimate_address_internal): Rename to...
11082         (m68hc11_legitimate_address_p_1): ... this.
11083         (legitimize_address): Adjust call.
11084         (TARGET_LEGITIMATE_ADDRESS_P): New.
11085
11086         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11087         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p): Remove.
11088         * config/iq2000/iq2000.c (iq2000_legitimate_address_p): Make static.
11089         (TARGET_LEGITIMATE_ADDRESS_P): New.
11090
11091         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11092         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
11093         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
11094         (mn10300_legitimate_address_p): ... this, make static.
11095         (TARGET_LEGITIMATE_ADDRESS_P): New.
11096
11097         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11098         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
11099         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
11100         (TARGET_LEGITIMATE_ADDRESS_P): New.
11101
11102         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11103         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
11104         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
11105         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11106         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
11107         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
11108         (rs6000_legitimate_address_p): ... this, make static.
11109         (TARGET_LEGITIMATE_ADDRESS_P): New.
11110         (REG_MODE_OK_FOR_BASE_P): Delete.
11111         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
11112
11113         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11114         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
11115         Delete.
11116         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
11117         static, adjust types.
11118         (TARGET_LEGITIMATE_ADDRESS_P): New.
11119
11120         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11121         * config/score/score.c (score_address_p): Rename to...
11122         (score_legitimate_address_p): ... this.
11123         (TARGET_LEGITIMATE_ADDRESS_P): New.
11124         * config/score/score3.c (score3_address_p): Rename to...
11125         (score3_legitimate_address_p): ... this.
11126         * config/score/score7.c (score7_address_p): Rename to...
11127         (score7_legitimate_address_p): ... this.
11128
11129         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
11130         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
11131         GO_IF_LEGITIMATE_ADDRESS): Delete.
11132         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
11133         thumb2_legitimate_address_p): Delete.
11134         (arm_legitimate_address_p): Rename to...
11135         (arm_legitimate_address_outer_p): ... this.
11136         * config/arm/constraints.md ("Uq"): Adjust call.
11137         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
11138         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one
11139         to...
11140         (arm_legitimate_address_outer_p): ... this.
11141         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make
11142         static.
11143         (TARGET_LEGITIMATE_ADDRESS_P): New.
11144
11145         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11146         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
11147         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
11148         (TARGET_LEGITIMATE_ADDRESS_P): New.
11149
11150         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11151         * config/vax/vax-protos.h (legitimate_address_p): Remove.
11152         * config/vax/vax.c (legitimate_address_p): Rename to...
11153         (vax_legitimate_address_p): ... this, make static.
11154         (TARGET_LEGITIMATE_ADDRESS_P): New.
11155
11156         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11157         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
11158         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
11159         (TARGET_LEGITIMATE_ADDRESS_P): New.
11160
11161         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11162         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
11163         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
11164         (mmix_legitimate_address_p): ... this, make static.
11165         (TARGET_LEGITIMATE_ADDRESS_P): New.
11166
11167         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
11168         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
11169         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
11170         (TARGET_LEGITIMATE_ADDRESS_P): New.
11171
11172 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
11173
11174         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
11175         of MODE_COMPLEX_INT.
11176
11177 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
11178
11179         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
11180         LCT_NORMAL in function call.
11181         * mips-tdump.c (print_file_desc): Add cast to enum type.
11182         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
11183         (mark_stabs): Add casts to enum types.
11184         (parse_stabs_common): Add casts to enum types.
11185
11186 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
11187
11188         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
11189         Check for invalid values of LETTER.
11190
11191 2009-05-13  Taras Glek  <tglek@mozilla.com>
11192
11193         * attribs.c (register_attribute): moved out attribute registration
11194         into register_attribute.
11195         * doc/plugins.texi: Documented register_attribute and
11196         PLUGIN_ATTRIBUTES.
11197         * gcc-plugin.h: Added forward decl for register_attribute.
11198         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
11199         * plugin.c (register_callback, invoke_plugin_callbacks): Added
11200         PLUGIN_ATTRIBUTES boilerplate.
11201
11202 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
11203
11204         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
11205         values even in sentinel and empty entries.
11206         (ms_printf_flag_specs):  Likewise.
11207         (ms_scanf_flag_specs):  Likewise.
11208         (ms_strftime_flag_specs):  Likewise.
11209         (ms_print_char_table):  Likewise.
11210         (ms_scan_char_table):  Likewise.
11211         (ms_time_char_table):  Likewise.
11212
11213 2009-05-13  Doug Kwan  <dougkwan@google.com>
11214
11215         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
11216
11217 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
11218
11219         * config/mips/mips.md (store): Add attributes for QI and HI.
11220         Update comment.
11221         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
11222         (truncdi<mode>2): ... this new pattern.
11223
11224 2009-05-13  Brad Hards  <bradh@kde.org>
11225
11226         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
11227
11228 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
11229             Ben Elliston <bje@au.ibm.com>
11230
11231         PR middle-end/40035
11232         * dse.c (check_mem_read_rtx): Guard against width == -1.
11233
11234 2009-05-13  Michael Matz  <matz@suse.de>
11235
11236         PR middle-end/39976
11237         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
11238         (trivially_conflicts_p): New function.
11239         (insert_backedge_copies): Use it.
11240
11241 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
11242
11243         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
11244         (handle_stdc_pragma): Use new enum constant names.
11245         (handle_pragma_float_const_decimal64): Ditto.
11246
11247 2009-05-13  Ian Lance Taylor  <iant@google.com>
11248
11249         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
11250         tree.def.
11251
11252 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
11253
11254         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
11255         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
11256         multilibs.
11257         * config/m68k/m68k.h (FL_UCLINUX): Define.
11258
11259 2009-05-13  Jan Hubicka  <jh@suse.cz>
11260
11261         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
11262
11263 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
11264
11265         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
11266         unless -fschedule-insns is specified.
11267
11268 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
11269
11270         PR target/39561
11271         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
11272         TARGET_EXPAND_CBRANCHDI4.
11273         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
11274         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
11275         (cmpeqdi): Fix comment.
11276
11277 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
11278
11279         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
11280         (sh_legitimate_address_p): Likewise.
11281         * config/sh/sh.c (sh_legitimate_index_p): New.
11282         (sh_legitimate_address_p): Likewise.
11283         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
11284         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
11285         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
11286         (MAYBE_BASE_REGISTER_RTX_P): New macro.
11287         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
11288         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
11289         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
11290         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
11291         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
11292
11293 2009-05-12  Jan Hubicka  <jh@suse.cz>
11294
11295         * tree-inline.c (estimate_operator_cost): Add operands;
11296         when division happens by constant, it is cheap.
11297         (estimate_num_insns): Loads and stores are not having cost of 0;
11298         EH magic stuff is cheap; when computing runtime cost of switch,
11299         use log2 base of amount of its cases; builtin_expect has cost of 0;
11300         compute cost for moving return value of call.
11301         (init_inline_once): Initialize time_based flags.
11302         * tree-inline.h (eni_weights_d): Add time_based flag.
11303
11304 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
11305
11306         * df-core.c: Update head documentation.
11307
11308 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
11309
11310         PR bootstrap/40118
11311         * rs6000.c (rs6000_generate_compare): Use op1b instead of
11312         shadowing exisiting variable op1.
11313
11314 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
11315
11316         PR target/37179
11317         * config/i386/driver-i386.c (processor_signatures): New enum.
11318         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
11319         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
11320         processor signature to detect geode processor.
11321
11322 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
11323
11324         Revert:
11325
11326         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
11327
11328         * optabs.c (prepare_cmp_insn): Temporarily disable test that
11329         causes spurious differences between trunk and cond-optab branch.
11330
11331 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
11332
11333         * dojump.c (compare_from_rtx): Delete.
11334         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
11335         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
11336         if the comparison does not satisfy the predicate; test predicates for
11337         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
11338         further if one existing pattern fails.
11339         * expr.h (compare_from_rtx): Delete.
11340         (prepare_operand): Declare it.
11341         * optabs.c: Change "lib call" to "libcall" throughout.
11342         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
11343         HAVE_conditional_trap, emit_cmp_insn): Delete.
11344         (can_compare_p): Delete cmp_optab case.
11345         (prepare_float_lib_cmp): Return an rtx and a machine mode.
11346         Accept other parameters by value.
11347         (prepare_operand): Make non-static.
11348         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
11349         other parameters by value.  Try to widen operands here based on
11350         an optab_methods argument and looking at cbranch_optab.
11351         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
11352         loop.  Use cbranch_optab directly.
11353         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
11354         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
11355         assertion.
11356         (emit_conditional_move, emit_conditional_add): Inline what's needed
11357         of compare_from_rtx, using new prepare_cmp_insn for the rest.
11358         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
11359         with COMPARE.  Move cmov_optab and cstore_optab above
11360         with cbranch_optab, move cmp_optab down with ucmp_optab,
11361         remove tst_otpab.  Do not initialize trap_rtx.
11362         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
11363         for trap code.  Do not check HAVE_conditional_trap.  Use
11364         prepare_cmp_insn.  Accept no predicate for operand 3.
11365         * optabs.h (OTI_cmp): Mark as used only for libcalls.
11366         (OTI_ctrap, ctrap_optab): New.
11367         (tst_optab): Delete.
11368         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
11369         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
11370         with lookup of ctrap_optab.
11371         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn, setcc_gen_code):
11372         Delete.
11373         (ctrap_optab): New.
11374
11375         * combine.c (combine_simplify_rtx, simplify_set): Do not
11376         special case comparing against zero for cc0 machines.
11377         * simplify-rtx.c (simplify_binary_operation_1): Never remove
11378         COMPARE on cc0 machines.
11379         (simplify_relational_operation): Return a new expression when
11380         a COMPARE could be removed.
11381         * final.c (final_scan_insn): Compare cc_status values
11382         against LHS of a (compare FOO (const_int 0)) cc0 source.
11383         Also check if cc_status.value is the full compare.
11384
11385         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
11386         (cstoreMM4): Document.
11387         (conditional_trap): Document ctrapMM4 instead.
11388         (sync_compare_and_swapMM): Refer to cbranchcc4.
11389         (Dependent Patterns): Eliminate obsolete information referring to
11390         the old jump optimization phase.
11391         (Canonicalization): Include cbranchcc4 case, omit canonicalization
11392         of compares with 0 on cc0 machines.
11393         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
11394         avoiding references to cc0.  Remove text about storing operands
11395         in cmpMM.
11396         * doc/tm.texi (Condition Codes): Include blurb on different
11397         condition code representations, separate into subsections for
11398         CC0, MODE_CC and conditional execution.
11399
11400         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
11401         alpha_emit_setcc): Accept operands and a machine mode.
11402         * config/alpha/alpha.c (alpha_emit_conditional_branch):
11403         Get code/op0/op1 from operands, use machine mode argument
11404         instead of alpha_compare.fp_p.  Emit the branch here.
11405         (alpha_emit_setcc): Likewise, and return boolean.
11406         (alpha_emit_conditional_move): Likewise.  Assert that
11407         cmp_op_mode == cmp_mode, and simplify accordingly.
11408         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
11409         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
11410         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
11411         Delete.
11412         (stack probe test): Use cbranchdi4.
11413         * config/alpha/predicates.md (alpha_cbranch_operator): New.
11414
11415         * config/arc/arc.c (gen_compare_reg): Do not emit cmp.
11416         * config/arc/arc.h (movsicc, movsfcc): Use it.
11417         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
11418         (cbranchsi4, cstoresi4): New.
11419         (cmpsi, bCC and sCC expanders): Remove.
11420
11421         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
11422         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
11423         * config/arm/predicates.md (arm_comparison_operator): Only include
11424         floating-point operators if there is a hardware floating-point unit.
11425         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
11426         deferring to cbranch_cc and cstore_cc respectively.
11427         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
11428         cbranch_cc, cstore_cc): New.
11429         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
11430         arm_compare_op1.
11431         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
11432
11433         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
11434         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
11435         as an argument.
11436         (adjust_insn_length): Adjust calls.
11437         (avr_reorg): Handle (compare (foo) (const_int 0)).
11438         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
11439         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
11440         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
11441         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
11442         (bCC): Remove.
11443         (cbranchqi4, cbranchhi4, cbranchsi4): New.
11444         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
11445
11446         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
11447         (cbranchsi4, cstorebi4, cstoresi4): New.
11448         (movbisi): This insn is duplicate, split it to zero_extend.
11449         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
11450         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
11451         (bfin_optimize_loop): Use cbranch expander.
11452         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
11453         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
11454         (bfin_bimode_comparison_operator): ... this.
11455         (bfin_direct_comparison_operator): New.
11456
11457         * config/cris/cris.c (cris_normal_notice_update_cc): Look
11458         inside (compare FOO (const_int 0)).
11459         (cris_rtx_costs): Handle ZERO_EXTRACT.
11460         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
11461         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
11462         (*tstdi_v32): Delete.
11463         (*cmpdi_non_v32): Add M alternative for operand 1.
11464         (cmpsi, cmp<mode>): Make private.
11465         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
11466         with COMPARE.
11467         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
11468
11469         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
11470         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
11471         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
11472         (cc_reg_operand): New.
11473         (any_cond): Delete.
11474         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
11475         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
11476         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
11477         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
11478         crx_expand_scond): Delete.
11479
11480         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
11481         (cbranchsi4): New.
11482         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
11483         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
11484
11485         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
11486         cstoresi4, cstoresf4, cstoredf4): New.
11487         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
11488         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
11489         Receive the entire operands array.
11490         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
11491         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
11492         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
11493         Get test/op0/op1 from the operands array.
11494         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
11495
11496         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
11497         (h8300_expand_store): New.
11498         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
11499         (const_int 0)).
11500         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
11501         (h8300_expand_store): New.
11502         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
11503         or do not try to produce (set (cc0) REG).
11504         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
11505         change a compare into a move to a scratch register.  Disable some
11506         peepholes when comparing with zero.
11507         (tstsi, tsthi, tstsi, cmpqi): Make private.
11508         (cmphi): Delete.
11509         (bCC, sCC): Delete.
11510         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
11511         cstoresi4): New.
11512
11513         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
11514         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
11515         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
11516         (ix86_emit_i387_log1p): Use cbranchxf2.
11517         (ix86_expand_setcc): Return void.
11518         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
11519         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
11520         cmp<MODEF>, cmpcc): Remove.
11521         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
11522         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
11523         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
11524         (sCC and bCC expanders): Remove.
11525         (stack_protect_test): Use cbranchcc4.
11526
11527         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
11528         Delete.
11529         (ia64_expand_compare): Accept three rtx by reference and return void.
11530         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
11531         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
11532         from *expr.  Update *expr with the BImode comparison to do.
11533         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
11534         cmptf, bCC, sCC, conditional_trap): Delete.
11535         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4,
11536         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
11537         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
11538         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
11539         * config/ia64/predicates.md (ia64_cbranch_operator): New.
11540
11541         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
11542         type of last argument.
11543         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
11544         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
11545         use machine mode argument instead of branch_type.  Remove dead
11546         code for floating-point comparisons.
11547         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
11548         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
11549         Remove.
11550         (cbranchsi4, cstoresi4): New.
11551         * config/iq2000/predicates.md (reg_or_const_operand): New.
11552
11553         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
11554         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
11555         (b<code>_op): Rewrite to...
11556         (bcc_op): ... this, using match_operator.
11557         (s<code>_op): Rewrite to...
11558         (scc_op): ... this, using match_operator.
11559         (s<code>_24_op): Rewrite to...
11560         (scc_op_24): ... this, using match_operator.
11561         (s<code>_<mode>): Rewrite to...
11562         (cstore<mode>4): ... this, using match_operator.
11563         (s<code>_<mode>_24): Rewrite to...
11564         (cstore<mode>4_24): ... this, using match_operator.
11565         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
11566         m32c_unpend_compare, m32c_expand_scc): Delete.
11567         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
11568         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
11569         (m32c_expand_movcc): Change NE to EQ if necessary.
11570         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
11571
11572         * config/m32r/m32r-protos.h (gen_cond_store): New.
11573         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
11574         (gen_cond_store): New, from sCC patterns.
11575         (m32r_expand_block_move): Use cbranchsi4.
11576         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
11577         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
11578         (cbranchsi4, cstoresi4): New.
11579
11580         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
11581         Delete.
11582         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
11583         (m68hc11_notice_update_cc): Look into a compare with 0.
11584         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
11585         Delete.
11586         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
11587         cmphi, cmpqi, bCC): Delete.
11588         (cbranchsi4, cbranchhi4, cbranchqi4): New.
11589         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
11590         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
11591         sets with COMPARE.
11592
11593         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
11594         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
11595         * config/m68k/constraints.md (H): New.
11596         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
11597         the define_insn below.
11598         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
11599         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
11600         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
11601         patterns): Wrap RHS with COMPARE.
11602         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
11603         (*cmpdi_internal): Name this pattern.
11604         (cmpdi): Change to define_insn.
11605         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
11606         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
11607         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
11608         predicate.
11609         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
11610         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
11611         (conditional_trap): Change to...
11612         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
11613         (*conditional_trap): Use the ordered_comparison_operator and
11614         const1_operand predicates.
11615         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
11616         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
11617         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
11618         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
11619
11620         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
11621         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
11622         (mcore_gen_compare): New.
11623         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
11624         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
11625         (mcore_gen_compare): ... this.
11626         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
11627         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
11628         (stack probe pattern): Use cbranchsi4.
11629
11630         * config/mips/predicates.md (mips_cstore_operator): New.
11631         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
11632         * config/mips/mips.md (any_cond): Delete.
11633         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
11634         always succeed.
11635         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
11636         fixuns_truncsfdi2): Use cbranch patterns.
11637         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete.
11638         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
11639         Adjust call to mips_expand_conditional_branch.
11640         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
11641         cstore<GPR:mode>4.
11642         * config/mips/mips-protos.h (mips_expand_conditional_branch,
11643         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
11644         * config/mips/mips.c (cmp_operands): Delete.
11645         (mips_emit_compare): Get comparison operands from *op0/*op1.
11646         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
11647         that it succeeds.  Use op0/op1 instead of cmp_operands.
11648         (mips_expand_conditional_branch, mips_expand_conditional_move,
11649         mips_expand_conditional_trap): Likewise.
11650         (mips_block_move_loop): Use cbranch patterns.
11651         * config/mips/mips.h (cmp_operands): Delete.
11652
11653         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
11654         (mmix_gen_compare_reg): Just return a register in the right CC mode.
11655         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
11656         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
11657         (*cmpcc_folded): Rename to...
11658         (*cmpdi_folded): this.
11659         (*cmpcc): Rename to...
11660         (*cmps): ... this.
11661         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
11662         (bCC): Remove.
11663         (cbranchdi4): New.
11664         (cbranchdf4): New.  Handle invalid comparisons here.
11665         * config/mmix/predicates.md (float_comparison_operator): New.
11666
11667         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
11668         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
11669         * config/mn10300/mn10300.md (tst): Delete.
11670         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
11671         Name these patterns and wrap RHS in a compare.
11672         (*cmpsi): Make this pattern private.  Include tst.
11673         (*cmpsf): Make this pattern private.
11674         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
11675         (compare with zero peepholes): Likewise.
11676         (bCC): Remove.
11677         (cbranchsi4, cbranchsf4): New.
11678         (casesi): Use cbranchsi4.
11679
11680         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
11681         hppa_branch_type): Delete.
11682         (return_addr_rtx): Use cbranchsi4.
11683         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
11684         Emit CCFPmode comparison here.
11685         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
11686         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
11687         hppa_branch_type): Delete.
11688         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
11689         (movsicc, movdicc): Remove references to hppa_compare_op0,
11690         hppa_compare_op1 and compare_from_rtx.
11691         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
11692         (casesi): Use cbranchsi4.
11693
11694         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
11695         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
11696         * config/pdp11/pdp11.md (register_or_const0_operand): New.
11697         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
11698         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
11699         (bCC): Delete.
11700         (cbranchdf4, cbranchhi4, cbranchqi4): New.
11701         (*branch, *branch_inverted): New.
11702
11703         * config/picochip/picochip.md (cbranchhi4): Use
11704         ordered_comparison_operator.
11705         (cmphi, bCC): Remove.
11706
11707         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
11708         (trap_comparison_operator): Delete.
11709         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
11710         rs6000_emit_cbranch): Accept mode and operands.
11711         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
11712         rs6000_compare_fp_p): Delete.
11713         (rs6000_generate_compare): Accept mode and comparison.  Extract code
11714         and op0/op1 from there.  Replace references to rs6000_compare_op0
11715         and rs6000_compare_op1.
11716         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
11717         extract result from passed operands.
11718         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
11719         extract loc from passed operands.
11720         (rs6000_emit_cmove): Likewise.
11721         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
11722         rs6000_compare_fp_p): Delete.
11723         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
11724         (cbranch<GPR>4, cbranch<FP>4): New.
11725         (cstore<mode>4): New.  Consolidate here all choices about when to use
11726         portable or specialized sCC sequences.
11727         (stack_protect_test): Use cbranchsi4.
11728         (conditional_trap): Replace with ctrap<GPR>4.
11729         (conditional trap insn): Replace trap_comparison_operator with
11730         ordered_comparison_operator.
11731
11732         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
11733         (s390_emit_prologue): Use ctrap.
11734         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
11735         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
11736         New predicates replacing...
11737         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
11738         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
11739         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
11740         (add<mode>cc): Do not use s390_compare_op0/op1.
11741         (s<code>): Change to...
11742         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
11743         (seq): Change to...
11744         (cstorecc4): ... this.  Handle EQ or NE equally.
11745         (*sne): Un-privatize for use in cstorecc4.
11746         (b<code>): Change to...
11747         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
11748         (conditional_trap): Replace with...
11749         (ctrap<GPR>4, ctrap<FP>4): ... these.
11750         (stack_protect): Use cbranchcc4.
11751
11752         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
11753         * config/score/score-protos.h (score_gen_cmp): Delete.
11754         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
11755         (score_block_move-loop): Use cbranchsi4.
11756         * config/score/score.md (cbranchsi4): New.
11757         (cmpsi, bCC): Delete.
11758         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
11759         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
11760         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
11761         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
11762         * config/score/score3.h (score3_gen_cmp): Delete.
11763         * config/score/score7.h (score7_gen_cmp): Delete.
11764
11765         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
11766         (sh_emit_scc_to_t): ... this.  Return void.
11767         (from_compare): Rename to...
11768         (sh_emit_compare_and_branch): ... this.
11769         (sh_emit_compare_and_set): New.
11770         (sh_expand_t_scc): Accept operands.
11771         * config/sh/predicates.md (sh_float_comparison_operator): New.
11772         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
11773         (prepare_scc_operands): Rename to...
11774         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
11775         arguments.
11776         (sh_emit_cheap_store_flag): New.
11777         (sh_emit_set_t_insn): New.
11778         (from_compare): Rename to...
11779         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
11780         handling of TARGET_SH2E floating point to avoid recursive call.
11781         Generate branch here.
11782         (sh_emit_compare_and_set): New.
11783         (sh_expand_t_scc): Get op0/op1 from arguments.
11784         (sh_emit_cheap_store_flag): New.
11785         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
11786         cases.
11787         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
11788         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
11789         (movsicc, movdicc): Do nothing when it recreated operands from
11790         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
11791         prepare_scc_operands (now sh_emit_scc_to_t).
11792         (udivdi3): Use cstoresi4.
11793         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
11794         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
11795         (cbranchint4_media, cbranchfp4_media): New.
11796         (casesi): Use cbranchdi4.
11797         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
11798         Delete.
11799         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
11800         (movnegt): Remove second operand.
11801         (cbranchsf4, cbranchdf4): New.
11802         (stack_protect): Use cbranchdi4/cbranchsi4.
11803
11804         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
11805         (gen_compare_reg): Accept comparison, extract part of it to...
11806         (gen_compare_reg_1): ... this.
11807         (gen_compare_operator): Delete.
11808         (gen_v9_scc): Accept separate destination, comparison code and arms.
11809         Do not use sparc_compare_op0/sparc_compare_op1.
11810         (emit_scc_insn, emit_conditional_branch_insn): New.
11811         (emit_v9_brxx): Make static.  Remove useless assertion.
11812         (sparc_emit_float_lib_cmp): Return RTL instead of calling
11813         emit_cmp_insn.
11814         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
11815         * config/sparc/sparc-protos.h (gen_compare_reg,
11816         sparc_emit_float_lib_cmp): Adjust prototype.
11817         (emit_scc_insn, emit_conditional_branch_insn): New.
11818         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
11819         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
11820         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
11821         iterators to the top.
11822         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
11823         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
11824         snedi_special_trunc): Delete.
11825         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
11826         and snedi_special_trunc.
11827         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
11828         cbranchdi4, cbranch<F:mode>4): New.
11829         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
11830         here.  Use gen_compare_reg instead of gen_compare_operator.
11831         (conditional_trap): Replace with...
11832         (ctrapsi4, ctrapdi4): ... this.
11833         (stack_protect_test): Use cbranchcc4.
11834
11835         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
11836         argument to rtx.
11837         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove.
11838         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
11839         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
11840         from operands[0] or operands[3] depending on is_set.
11841         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
11842         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
11843         cmpdf, bCC), sCC: Remove.
11844         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4,
11845         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
11846         cstoredf4): New.
11847         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
11848         spu_emit_branch_or_set.
11849
11850         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
11851         Add two arguments.
11852         * config/stormy16/stormy16.h (xstormy16_compare_op0,
11853         xstormy16_compare_op1): Delete.
11854         * config/stormy16/stormy16.c (xstormy16_compare_op0,
11855         xstormy16_compare_op1): Delete.
11856         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
11857         Adjust calls.
11858         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
11859         (cmphi, cmpsi, bCC): Remove.
11860
11861         * config/v850/v850.md (tstsi, cmpsi): Fold into...
11862         (*cmpsi): ... this one.
11863         (cbranchsi4, cstoresi4): New.
11864         (bCC expanders): Delete.
11865         (sCC insns): Fold into...
11866         (*setcc): ... this one.
11867         (casesi): Do not use gen_cmpsi and gen_bgtu.
11868         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
11869         (movsicc): Simplify.
11870         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
11871
11872         * config/vax/vax-protos.h (cond_name): New.
11873         (vax_output_conditional_branch): Remove.
11874         * config/vax/vax.c (cond_name): New.
11875         (vax_output_conditional_branch): Remove.
11876         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
11877         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
11878         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
11879         (bit<VAXint>): Wrap source with (compare).
11880         (b<code> and following unnamed pattern): Rename to *branch and
11881         *branch_reversed.  Change macroization to match_operator.
11882         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
11883
11884         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
11885         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
11886         Change last argument to machine_mode.
11887         (xtensa_expand_scc): Add machine_mode argument.
11888         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
11889         (gen_conditional_move, xtensa_expand_conditional_branch,
11890         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
11891         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
11892         Adjust operand numbers.
11893         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
11894         Delete.
11895         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
11896         (cmpsi, cmpsf, b<code>, s<code>): Delete.
11897         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
11898
11899 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
11900
11901         * optabs.c (prepare_cmp_insn): Temporarily disable test that
11902         causes spurious differences between trunk and cond-optab branch.
11903
11904 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
11905
11906         PR target/37137
11907         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
11908
11909 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
11910
11911         * tree.c (iterative_hash_pointer): Delete.
11912         (iterative_hash_expr): Short-circuit handling of NULL pointer.
11913         Hash UIDs and versions of SSA names.  Don't special-case built-in
11914         function declarations.
11915
11916 2009-05-11  Ian Lance Taylor  <iant@google.com>
11917
11918         PR bootstrap/40103
11919         * graphite.c: Force -Wc++-compat to only be a warning before
11920         #including "cloog/cloog.h".
11921
11922 2009-05-11  Martin Jambor  <mjambor@suse.cz>
11923
11924         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
11925
11926 2009-05-11  Jan Hubicka  <jh@suse.cz>
11927
11928         * tree-ssa-loop-ivcanon.c: Include target.h
11929         (struct loop_size): new structure.
11930         (constant_after_peeling): New predicate.
11931         (tree_estimate_loop_size): New function.
11932         (estimated_unrolled_size): Rewrite for new estimates.
11933         (try_unroll_loop_completely): Use new estimates.
11934         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
11935
11936 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11937
11938         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
11939         libcpp interface change.
11940         (spu_macro_to_expand): Likewise.
11941
11942 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
11943
11944         PR tree-optimization/40026
11945         * gimplify.c (gimplify_init_constructor): Change initial conditional
11946         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
11947         optimize_compound_literals_in_ctor.
11948
11949 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
11950
11951         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
11952         New devices.
11953         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
11954
11955 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
11956
11957         * tree-vect-data-refs.c (vect_analyze_group_access): Use
11958         HOST_WIDE_INT for gap.
11959
11960 2009-05-11  Ira Rosen  <irar@il.ibm.com>
11961
11962         PR tree-optimization/40074
11963         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
11964         account in group size and step comparison.
11965
11966 2009-05-11  Richard Guenther  <rguenther@suse.de>
11967
11968         * passes.c (init_optimization_passes): Strip now incorrect comment.
11969         (execute_function_todo): Do not set PROP_alias.
11970         * tree-pass.h (PROP_alias): Remove.
11971         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
11972         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
11973         * tree-nrv.c (pass_return_slot): Likewise.
11974         * tree-object-size.c (pass_object_sizes): Likewise.
11975         * tree-ssa-dom.c (pass_dominator): Likewise.
11976         (pass_phi_only_cprop): Likewise.
11977         * tree-ssa-dse.c (pass_dse): Likewise.
11978         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
11979         (pass_cselim): Likewise.
11980         * tree-ssa-pre.c (pass_pre): Likewise.
11981         (pass_fre): Likewise.
11982         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
11983         * tree-ssa-sink.c (pass_sink_code): Likewise.
11984         * tree-stdarg.c (pass_stdarg): Likewise.
11985         * tree-tailcall.c (pass_tail_calls): Likewise.
11986         * tree-vrp.c (pass_vrp): Likewise.
11987
11988 2009-05-10  Ian Lance Taylor  <iant@google.com>
11989
11990         * basic-block.h (enum profile_status): Break out of struct
11991         control_flow_graph.
11992         * cgraph.h (struct inline_summary): Break out of struct
11993         cgraph_local_info.
11994         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
11995         of struct cgraph_order_sort.
11996         * combine.c (enum undo_kind): New enum, broken out of struct undo.
11997         * cse.c (struct branch_path): Break out of struct
11998         cse_basic_block_data.
11999         * except.h (enum eh_region_type): Break out of struct eh_region.
12000         * gcc.c (enum add_del): Break out of struct modify_target.
12001         * genrecog.c (enum decision_type): Break out of struct decision_test.
12002         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
12003         ggc_pch_data.
12004         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
12005         * regmove.c (enum match_use): New enum, broken out of struct match.
12006         * sched-int.h (enum post_call_group): New enum, broken out of
12007         struct deps.
12008         (struct deps_reg): Break out of struct deps.
12009         * target.h (struct asm_int_op): Break out of struct gcc_target.
12010         * tree-eh.c (struct goto_queue_node): Break out of struct
12011         leh_tf_state.
12012         * tree-inline.h (enum copy_body_cge_which): Break out of
12013         copy_body_data.
12014         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
12015
12016         * c-decl.c (in_struct, struct_types): New static variables.
12017         (pushtag): Add loc parameter.  Change all callers.
12018         (lookup_tag): Add ploc parameter.  Change all callers.
12019         (check_compound_literal_type): New function.
12020         (parser_xref_tag): Add loc parameter.  Change all callers.  If
12021         -Wc++-compat, warn about struct/union/enum types defined within a
12022         struct or union.
12023         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
12024         and loc parameters.  Change all callers.  Change error calls to
12025         error_at, using loc.  For a redefinition, if the location of the
12026         original definition is known, report it.  Set in_struct and
12027         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
12028         (finish_struct): Add new parameters enclosing_in_struct and
12029         enclosing_struct_types.  Change all callers.  Set
12030         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
12031         in the struct.  If in a struct, add this struct to struct_types.
12032         (start_enum): Add loc parameter.  Change all callers.  Use
12033         error_at for errors, using loc.  For a redefinition, if the
12034         location of the original definition is known, report it.  If in a
12035         struct, add this enum type to struct_types.  If -Wc++-compat warn
12036         if in sizeof, typeof, or alignof.
12037         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
12038         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
12039         (c_parser_enum_specifier): Get enum location for start_enum.
12040         (c_parser_struct_or_union_specifier): Get struct location for
12041         start_struct.  Save in_struct and struct_types status between
12042         start_struct and finish_struct.
12043         (c_parser_cast_expression): Get location of cast.
12044         (c_parser_alignof_expression): Get location of type.
12045         (c_parser_postfix_expression): Likewise.
12046         (c_parser_postfix_expression_after_paren_type): Add type_loc
12047         parameter.  Change all callers.  Call check_compound_literal_type.
12048         Use type_loc for error about variable size type.
12049         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
12050         of an enum constant from an enum type defined in a struct or union.
12051         (c_cast_expr): Add loc parameter.  Change all callers.  If
12052         -Wc++-compat, warn about defining a type in a cast.
12053         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
12054         (start_enum, start_struct, finish_struct): Update declarations.
12055         (parser_xref_tag, c_cast_expr): Update declarations.
12056         (check_compound_literal_type): Declare.
12057
12058 2009-05-11  Ben Elliston  <bje@au.ibm.com>
12059
12060         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
12061         for recent libcpp interface change.
12062         (rs6000_macro_to_expand): Likewise.
12063
12064 2009-05-10  Michael Matz  <matz@suse.de>
12065
12066         PR target/40031
12067         * config/arm/arm.c (require_pic_register): Emit on entry edge,
12068         not at entry of function.
12069
12070 2009-05-10  Richard Guenther  <rguenther@suse.de>
12071
12072         PR tree-optimization/40081
12073         Revert
12074         * tree-sra.c (instantiate_element): Instantiate scalar replacements
12075         using the main variant of the element type.  Do not fiddle with
12076         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
12077
12078         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
12079         structs with volatile fields.
12080
12081 2009-05-10  Jan Hubicka  <jh@suse.cz>
12082
12083         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
12084         (estimate_move_cost): Assert that it does not get called for
12085         VOID_TYPE_P.
12086         (estimate_num_insns): Skip VOID types in argument handling.
12087         (optimize_inline_calls): Delete unreachable blocks and verify that
12088         callgraph is valid.
12089
12090 2009-05-10  Jan Hubicka  <jh@suse.cz>
12091
12092         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
12093         * cgraph.c (cgraph_mark_address_taken_node): New function.
12094         (dump_cgraph_node): Dump new flag.
12095         * cgraph.h (struct cgraph_node): Add address_taken.
12096         (cgraph_mark_address_taken_node): New function.
12097         * ipa.c (cgraph_postorder): Prioritize functions with address taken
12098         since new direct calls can be born.
12099
12100 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
12101
12102         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
12103         tok->val.node.node.
12104
12105 2009-05-10  Jan Hubicka  <jh@suse.cz>
12106
12107         PR middle-end/40084
12108         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
12109         argument; rewrite.
12110         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
12111         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
12112         * tree-inline.c (copy_bb): Set frequency correctly.
12113         (fold_marked_statements): Update call to
12114         cgraph_update_edges_for_call_stmt.
12115
12116 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
12117
12118         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
12119         identifiers in diagnostics.
12120         * config/arm/arm.c (arm_handle_fndecl_attribute,
12121         arm_handle_isr_attribute): Likewise.
12122         * config/avr/avr.c (avr_handle_progmem_attribute,
12123         avr_handle_fndecl_attribute, avr_handle_fntype_attribute): Likewise.
12124         * config/bfin/bfin.c (handle_int_attribute,
12125         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
12126         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
12127         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
12128         Likewise.
12129         * config/darwin.c (darwin_handle_kext_attribute,
12130         darwin_handle_weak_import_attribute): Likewise.
12131         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
12132         h8300_handle_eightbit_data_attribute,
12133         h8300_handle_tiny_data_attribute): Likewise.
12134         * config/i386/i386.c (ix86_handle_cconv_attribute,
12135         ix86_handle_abi_attribute, ix86_handle_struct_attribute): Likewise.
12136         * config/i386/winnt.c (ix86_handle_shared_attribute,
12137         ix86_handle_selectany_attribute): Likewise.
12138         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
12139         * config/m32c/m32c.c (function_vector_handler): Likewise.
12140         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
12141         m68hc11_handle_fntype_attribute): Likewise.
12142         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
12143         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
12144         * config/mips/mips.c (mips_insert_attributes,
12145         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
12146         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
12147         rs6000_handle_struct_attribute): Likewise.
12148         * config/sh/sh.c (sh_insert_attributes,
12149         sh_handle_resbank_handler_attribute,
12150         sh_handle_interrupt_handler_attribute,
12151         sh2a_handle_function_vector_handler_attribute,
12152         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12153         Likewise.
12154         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
12155         * config/spu/spu.c (spu_handle_fndecl_attribute,
12156         spu_handle_vector_attribute): Likewise.
12157         * config/stormy16/stormy16.c
12158         (xstormy16_handle_interrupt_attribute): Likewise.
12159         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
12160         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
12161
12162 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
12163
12164         * pretty-print.h (struct pretty_print_info): Add translate_identifiers.
12165         (pp_translate_identifiers): New.
12166         (pp_identifier): Only conditionally translate identifier to locale
12167         character set.
12168         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
12169         (pp_base_tree_identifier): Only conditionally translate identifier
12170         to locale character set.
12171         * c-pretty-print.c (M_): Define.
12172         (pp_c_type_specifier, pp_c_primary_expression): Mark English
12173         fragments for conditional translation with M_.
12174         * tree-pretty-print.c (maybe_init_pretty_print): Disable
12175         identifier translation.
12176
12177 2009-05-10  Richard Guenther  <rguenther@suse.de>
12178
12179         PR tree-optimization/40081
12180         * tree-sra.c (instantiate_element): Instantiate scalar replacements
12181         using the main variant of the element type.  Do not fiddle with
12182         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
12183
12184 2009-05-09  Jan Hubicka  <jh@suse.cz>
12185
12186         PR middle-end/40080
12187         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
12188         indirect calls; verify cgraph afterwards.
12189
12190 2009-05-09  Jan Hubicka  <jh@suse.cz>
12191
12192         PR bootstrap/40082
12193         * ipa.c (update_inlined_to_pointer): New function.
12194         (cgraph_remove_unreachable_nodes): Use it.
12195
12196 2009-05-09  Jan Hubicka  <jh@suse.cz>
12197
12198         * tree-eh.c (struct leh_state): Remove prev_try.
12199         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
12200         not track prev_try.
12201         * except.c (gen_eh_region_cleanup, duplicate_eh_regions,
12202         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
12203         remove_eh_handler_and_replace, foreach_reachable_handler,
12204         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
12205         * except.h (struct eh_region): Remove eh_region_u_cleanup.
12206         (gen_eh_region_cleanup): Update prototype.
12207
12208 2009-05-09  Jan Hubicka  <jh@suse.cz>
12209
12210         PR middle-end/40043
12211         * except.c (copy_eh_region): Always set prev_try.
12212         (redirect_eh_edge_to_label): Find outer try.
12213         (foreach_reachable_handler): When looking for prev try
12214         handle case where previous try is not going to be taken.
12215
12216 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
12217
12218         PR tree-optimization/40049
12219         * tree-vect-stmts.c (vectorizable_operation): If the machine has
12220         only vector/vector shifts, convert the type of the constant to the
12221         appropriate type to avoid building incorrect trees, which
12222         eventually have problems with garbage collection.
12223
12224 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
12225
12226         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
12227         -1 for complex floating-point types if honoring signed zeros.
12228
12229 2009-05-08  Jan Hubicka  <jh@suse.cz>
12230
12231         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
12232         argument; handle correctly when profile is absent.
12233         (build_cgraph_edges): Update.
12234         (rebuild_cgraph_edges): Update.
12235         * cgraph.c: Do not include varray.h.
12236         (cgraph_set_call_stmt_including_clones): New function.
12237         (cgraph_create_edge_including_clones): Likewise
12238         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
12239         (cgraph_update_edges_for_call_stmt): Handle clones.
12240         (cgraph_remove_node): Handle clone tree.
12241         (cgraph_remove_node_and_inline_clones): New function.
12242         (dump_cgraph_node): Dump clone tree.
12243         (cgraph_clone_node): Handle clone tree.
12244         (clone_function_name): Bring here from tree-inline.c.
12245         (cgraph_create_virtual_clone): New function.
12246         * cgraph.h (ipa_replace_map): Move here from ipa.h.
12247         (cgraph_clone_info): New function.
12248         (strut cgraph_node): Add clone_info and new clone tree pointers.
12249         (cgraph_remove_node_and_inline_clones,
12250         cgraph_set_call_stmt_including_clones,
12251         cgraph_create_edge_including_clones,
12252         cgraph_create_virtual_clone): Declare.
12253         (cgraph_function_versioning): Use VEC argument.
12254         (compute_call_stmt_bb_frequency): Update prototype.
12255         (cgraph_materialize_all_clones): New function.
12256         * ipa-cp.c (ipcp_update_cloned_node): Remove.
12257         (ipcp_create_replace_map): Update to VECtors.
12258         (ipcp_update_callgraph): Use virtual clones.
12259         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
12260         (ipcp_update_profiling): Do not update local profiling.
12261         (ipcp_insert_stage): Use VECtors and virtual clones.
12262         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
12263         (clone_of_p): New function.
12264         (cgraph_preserve_function_body_p): Use clone tree.
12265         (cgraph_optimize): Materialize clones.
12266         (cgraph_function_versioning): Update for VECtors.
12267         (save_inline_function_body): Use clone tree.
12268         (cgraph_materialize_clone): New function.
12269         (cgraph_materialize_all_clones): Likewise.
12270         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
12271         * ipa.c: Include gimple.h.
12272         (cgraph_remove_unreachable_nodes): Use clone tree.
12273         * ipa-prop.c (ipa_note_param_call): Update call to
12274         compute_call_stmt_bb_frequencycall.
12275         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
12276         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
12277         (copy_bb): Handle updating of clone tree; add new edge when new call
12278         appears.
12279         (expand_call_inline): Be strict about every call having edge.
12280         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
12281         (delete_unreachable_blocks_update_callgraph): New function.
12282         (tree_function_versioning): Use VECtors; always remove unreachable
12283         blocks and fold conditionals.
12284         * tree-inline.h: Do not include varray.h.
12285         (tree_function_versioning): Remove.
12286         * Makefile.in (GTFILES): Remove tree-inline.c
12287         * passes.c (do_per_function): Do only functions having body.
12288         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
12289         tree.
12290
12291 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
12292             Andrew Morrow  <acm@google.com>
12293
12294         PR c/36892
12295         * c-common.c (c_common_attribute_table): Permit deprecated
12296         attribute to take an optional argument.
12297         (handle_deprecated_attribute): If the optional argument to
12298         __attribute__((deprecated)) is not a string ignore the attribute
12299         and emit a warning.
12300
12301         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
12302         * c-typeck.c (build_component_ref): Likewise.
12303         (build_external_ref): Likewise.
12304
12305         * toplev.c (warn_deprecated_use): Add an attribute argument.
12306         Emit the message associated with __attribute__((deprecated)).
12307
12308         * toplev.h (warn_deprecated_use): Updated.
12309
12310         * doc/extend.texi: Document new optional parameter to
12311         __attribute__((deprecated))
12312
12313 2009-05-08  Michael Eager <eager@eagercon.com>
12314
12315         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
12316         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
12317
12318 2009-05-08  Richard Guenther  <rguenther@suse.de>
12319
12320         PR tree-optimization/40062
12321         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
12322         Avoid exponential behavior.
12323
12324 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
12325
12326         PR rtl-optimization/33928
12327         PR 26854
12328         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
12329         process_uses, build_single_def_use_links): New.
12330         (update_df): Update use_def_ref.
12331         (forward_propagate_into): Use get_def_for_use instead of use-def
12332         chains.
12333         (fwprop_init): Call build_single_def_use_links and let it initialize
12334         dataflow.
12335         (fwprop_done): Free use_def_ref.
12336         (fwprop_addr): Eliminate duplicate call to df_set_flags.
12337         * df-problems.c (df_rd_simulate_artificial_defs_at_top,
12338         df_rd_simulate_one_insn): New.
12339         (df_rd_bb_local_compute_process_def): Update head comment.
12340         (df_chain_create_bb): Use the new RD simulation functions.
12341         * df.h (df_rd_simulate_artificial_defs_at_top,
12342         df_rd_simulate_one_insn): New.
12343         * opts.c (decode_options): Enable fwprop at -O1.
12344         * doc/invoke.texi (-fforward-propagate): Document this.
12345
12346 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
12347
12348         PR c/24581
12349         * c-typeck.c (build_binary_op): Handle arithmetic between one real
12350         and one complex operand specially.
12351         * tree-complex.c (some_nonzerop): Do not identify a real value as
12352         zero if flag_signed_zeros.
12353
12354 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
12355
12356         PR rtl-optimization/33928
12357         * loop-invariant.c (record_use): Fix && vs. || mishap.
12358
12359 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
12360
12361         PR rtl-optimization/33928
12362         * loop-invariant.c (struct use): Add addr_use_p.
12363         (struct def): Add n_addr_uses.
12364         (struct invariant): Add cheap_address.
12365         (create_new_invariant): Set cheap_address.
12366         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
12367         (record_uses): Pass df_ref to record_use.
12368         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
12369         used only as such.
12370
12371 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
12372
12373         * config/sh/sh.c: Do not include c-pragma.h.
12374
12375 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12376
12377         * config/spu/spu.c: Remove include of c-common.h.
12378
12379 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
12380
12381         PR c/39037
12382         * c-common.h (mark_valid_location_for_stdc_pragma,
12383         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
12384         clear_float_const_decimal64, float_const_decimal64_p): New.
12385         * c.opt (Wunsuffixed-float-constants): New.
12386         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
12387         unsuffixed float constant, handle new warning.
12388         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
12389         * c-decl.c (c_scope): New flag float_const_decimal64.
12390         (set_float_const_decimal64, clear_float_const_decimal64,
12391         float_const_decimal64_p): New.
12392         (push_scope): Set new flag.
12393         * c-parser.c (c_parser_translation_unit): Mark when it's valid
12394         to use STDC pragmas.
12395         (c_parser_external_declaration): Ditto.
12396         (c_parser_compound_statement_nostart): Ditto.
12397         * c-pragma.c (valid_location_for_stdc_pragma,
12398         mark_valid_location_for_stdc_pragma,
12399         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
12400         handle_pragma_float_const_decimal64): New.
12401         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
12402         * cp/semantics.c (valid_location_for_stdc_pragma_p,
12403         set_float_const_decimal64, clear_float_const_decimal64,
12404         float_const_decimal64_p): New dummy functions.
12405         * doc/extend.texi (Decimal Float): Remove statement that the
12406         pragma, and suffix for double constants, are not supported.
12407         * doc/invoke.texi (Warning Options): List new option.
12408         (-Wunsuffixed-float-constants): New.
12409
12410 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
12411
12412         * config/i386/i386.c: Do not include c-common.h.
12413
12414 2009-05-07  Mark Heffernan  <meheff@google.com>
12415
12416         * doc/invoke.texi (Debugging Options): Document change of debugging
12417         dump location.
12418         * opts.c (decode_options): Make dump_base_name relative to
12419         aux_base_name directory.
12420
12421 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
12422
12423         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
12424         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
12425
12426 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
12427
12428         * Makefile.in (install-plugin): Simplify a bit.
12429
12430 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
12431
12432         * Makefile.in (OBJS-common): Add regcprop.o.
12433         (regcprop.o): New.
12434         * timevar.def (TV_CPROP_REGISTERS): New.
12435         * regrename.c (regrename_optimize): Return 0.
12436         (rest_of_handle_regrename): Delete.
12437         (pass_rename_registers): Point to regrename_optimize.
12438         (struct value_data_entry, struct value_data,
12439         kill_value_one_regno, kill_value_regno, kill_value,
12440         set_value_regno, init_value_data, kill_clobbered_value,
12441         kill_set_value, kill_autoinc_value, copy_value,
12442         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
12443         replace_oldest_value_reg, replace_oldest_value_addr,
12444         replace_oldest_value_mem, copyprop_hardreg_forward_1,
12445         debug_value_data, validate_value_data): Move...
12446         * regcprop.c: ... here.
12447         (rest_of_handle_cprop): Delete.
12448         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
12449
12450 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
12451
12452         PR middle-end/40057
12453         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
12454         GEN_INT for 1 << bitnum.
12455         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
12456         build_int_cst_type.
12457
12458 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
12459
12460         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
12461         Remove wrong description of "nand" operation.
12462
12463 2009-05-06  Richard Guenther  <rguenther@suse.de>
12464             Adam Nemet  <anemet@caviumnetworks.com>
12465
12466         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
12467         comment.  Add that if LHS is not a gimple register, then RHS1 has
12468         to be a single object (GIMPLE_SINGLE_RHS).
12469
12470 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
12471
12472         * expr.c (get_def_for_expr): Move it up in the file.
12473         (store_field): When expanding a bit-field store, look at the
12474         defining gimple stmt for the masking conversion.
12475
12476 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
12477
12478         PR middle-end/39986
12479         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
12480         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
12481         32-bit memcpy into long.
12482
12483 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
12484
12485         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
12486         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
12487         new_reg_loc_descr.
12488         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
12489         instead of appending DW_OP_deref*.
12490
12491 2009-05-06  Michael Matz  <matz@suse.de>
12492
12493         PR middle-end/40021
12494         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
12495         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
12496
12497 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
12498
12499         * Makefile.in (install-plugin): Fix srcdir handling.
12500
12501 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
12502
12503         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
12504         when processing for not_regs_needed bitmap.
12505         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
12506         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while
12507         handling it for rhs.
12508
12509 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
12510
12511         * config/i386/i386.md (unnamed inc/dec peephole): Use
12512         optimize_insn_for_size_p instead of optimize_size.
12513         * config/i386/predicates.md (incdec_operand): Likewise.
12514         (aligned_operand): Likewise.
12515         * config/i386/sse.md (divv8sf3): Likewise.
12516         (sqrtv8sf2): Likewise.
12517
12518 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
12519
12520         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
12521
12522         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
12523
12524 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
12525
12526         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
12527         ssemodesuffixf2c with avxmodesuffixf2c.
12528
12529 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
12530
12531         PR c/40032
12532         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
12533
12534 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
12535
12536         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
12537         (struct tree_base): Adjust spacing for 8 bit boundaries.
12538         (struct tree_decl_common): Add decl_by_reference_flag bit.
12539         (DECL_BY_REFERENCE): Adjust.
12540         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
12541         print DECL_BY_REFERENCE bit.
12542         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
12543         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
12544         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
12545         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
12546         unconditionally.
12547
12548         PR middle-end/39666
12549         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
12550         range of the type, but default label is missing, add it with one
12551         of the existing labels instead of adding a new label for it.
12552
12553 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
12554
12555         * dwarf.h: Remove.
12556
12557 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
12558
12559         * Makefile.in (enable_plugin, plugin_includedir): New.
12560         (install): Depend on install-plugin.
12561         (PLUGIN_HEADERS): New.
12562         (install-plugin): New.
12563         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
12564
12565 2009-05-05  Richard Guenther  <rguenther@suse.de>
12566
12567         PR tree-optimization/40022
12568         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
12569         the only vuse.
12570         (phivn_valid_p): Fix tuplification error, simplify.
12571         (phiprop_insert_phi): Add dumps.
12572         (propagate_with_phi): Simplify.
12573
12574 2009-05-05  Richard Guenther  <rguenther@suse.de>
12575
12576         PR middle-end/40023
12577         * builtins.c (gimplify_va_arg_expr): Properly build the address.
12578
12579 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
12580
12581         * tree.h (strip_float_extensions): Remove duplicate declaration.
12582         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
12583         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
12584         block_ultimate_origin): Rearrange the declarations line to match the
12585         comment that indicates the .c file which the functions are defined.
12586         (dwarf2out_*, set_decl_rtl): Add comment.
12587         (get_base_address): Adjust comment.
12588         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
12589         declarations line and add comment.
12590         (is_builtin_name): Add blank after function name, for clarity.
12591
12592 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
12593
12594         * attribs.c (decl_attributes): Use %qE for identifiers in
12595         diagnostics.
12596         * cgraphunit.c (verify_cgraph_node): Translate function names to
12597         locale character set in diagnostics.
12598         * coverage.c (get_coverage_counts): Use %qE for identifiers in
12599         diagnostics.
12600         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
12601         Document that functions are named in UTF-8.
12602         * expr.c (expand_expr_real_1): Translate function names to locale
12603         character set in diagnostics.
12604         * gimplify.c (omp_notice_variable, omp_is_private,
12605         gimplify_scan_omp_clauses): Use %qE for identifiers in
12606         diagnostics.
12607         * langhooks.c (lhd_print_error_function): Translate function names
12608         to locale character set.
12609         * langhooks.h (decl_printable_name): Document that return value is
12610         in internal character set.
12611         * stmt.c: Include pretty-print.h
12612         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
12613         diagnostics.
12614         (resolve_operand_name_1): Translate named operand name to locale
12615         character set.
12616         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
12617         diagnostics.
12618         * toplev.c (announce_function): Translate function names to locale
12619         character set.
12620         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
12621         (default_tree_printer): Use pp_identifier or translate identifiers
12622         to locale character set.  Mark "<anonymous>" for translation.
12623         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
12624         for identifiers in diagnostics.
12625         * tree.c (handle_dll_attribute): Use %qE for identifiers in
12626         diagnostics.
12627         * varasm.c (output_constructor): Use %qE for identifiers in
12628         diagnostics.
12629
12630 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
12631
12632         * configure.ac: use ` ` instead of $()
12633         * configure: Regenerate.
12634
12635 2009-05-05  Ben Elliston  <bje@au.ibm.com>
12636
12637         * config/pa/linux-atomic.c: Eliminate conditional include of
12638         errno.h on non-LP64 systems to simplify build requirements.
12639
12640 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
12641
12642         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
12643         diagnostics.
12644         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
12645         and pass value to identifier_to_locale.
12646         (warn_variable_length_array): Make name a tree.
12647         (grokdeclarator): Separate diagnostic texts for named and unnamed
12648         declarators.  Use %qE for named declarators.
12649         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
12650         diagnostics.
12651         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
12652         identifiers in diagnostics.
12653         * c-typeck.c (push_member_name, start_init): Pass identifiers to
12654         identifier_to_locale.  Mark "anonymous" strings for translation.
12655
12656 2009-05-04  Michael Eager <eager@eagercon.com>
12657
12658         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
12659         address for DImode/DFmode only if double-precision FP regs.
12660
12661 2009-05-04  Michael Eager <eager@eagercon.com>
12662
12663         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
12664         TARGET_SINGLE_FLOAT check.
12665
12666 2009-05-04  Michael Eager <eager@eagercon.com>
12667
12668         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
12669
12670 2009-05-04  Michael Eager <eager@eagercon.com>
12671
12672         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
12673         * config/rs6000/t-xilinx: New
12674
12675 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
12676
12677         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
12678         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
12679         * gcc/explow.c (memory_address): Use target hook.
12680         * gcc/targhooks.c (default_legitimize_address): New.
12681         * gcc/targhooks.h (default_legitimize_address): New.
12682         * gcc/target.h (legitimize_address): New.
12683         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
12684         (TARGET_INITIALIZER): Include it.
12685         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
12686
12687         * config/bfin/bfin-protos.h (legitimize_address): Remove.
12688         * config/bfin/bfin.c (legitimize_address): Remove.
12689         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
12690         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
12691         Remove.
12692         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
12693         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
12694
12695         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
12696         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
12697         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
12698         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
12699         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
12700         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
12701         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
12702         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
12703         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
12704         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
12705         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
12706         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
12707         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
12708         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
12709         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
12710         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
12711         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
12712         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
12713         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
12714         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
12715         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
12716         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
12717         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
12718
12719         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
12720         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
12721         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
12722         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
12723         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
12724         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
12725         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
12726         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
12727         (thumb_legitimize_address): Delete.
12728         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
12729         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
12730         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
12731         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
12732         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
12733         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
12734         Delete.
12735         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
12736         Delete.
12737
12738         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
12739         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
12740         * config/m32r/m32r.c (m32r_legitimize_address): New.
12741         * config/m68k/m68k.c (m68k_legitimize_address): New.
12742         * config/score/score.c (score_legitimize_address): Standardize.
12743         * config/score/score3.c (score3_legitimize_address): Standardize.
12744         * config/score/score3.h (score3_legitimize_address): Adjust.
12745         * config/score/score7.c (score7_legitimize_address): Standardize.
12746         * config/score/score7.h (score7_legitimize_address): Adjust.
12747         * config/sh/sh.c (sh_legitimize_address): New.
12748         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
12749
12750         * gcc/config/s390/s390.c (legitimize_address): Rename to...
12751         (s390_legitimize_address): ... this.
12752         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
12753         (sparc_legitimize_address): ... this.
12754         * gcc/config/i386/i386.c (legitimize_address): Rename to...
12755         (ix86_legitimize_address): ... this.
12756         * gcc/config/avr/avr.c (legitimize_address): Rename to...
12757         (avr_legitimize_address): ... this.
12758         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
12759         (mn10300_legitimize_address): ... this.
12760         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
12761         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
12762         (alpha_expand_mov): Adjust call.
12763
12764         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
12765         * config/spu/spu.c (spu_legitimize_address): Likewise.
12766         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
12767         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
12768
12769 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
12770
12771         * intl.c (locale_encoding, locale_utf8): New.
12772         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
12773         * intl.h (locale_encoding, locale_utf8): Declare.
12774         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
12775         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
12776         New.
12777         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
12778         argument.
12779         (pp_tree_identifier): Define to call pp_base_tree_identifier.
12780         (pp_base_tree_identifier): Declare as function.
12781         (identifier_to_locale): Declare.
12782         * Makefile.in (pretty-print.o): Update dependencies.
12783         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
12784
12785 2009-05-04  Richard Guenther  <rguenther@suse.de>
12786
12787         PR middle-end/40015
12788         * builtins.c (fold_builtin_memory_op): Do not decay to element
12789         type if the size matches the whole array.
12790
12791 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
12792
12793         * expmed.c (synth_mult): When trying out a shift, pass the result
12794         of a signed shift.
12795
12796 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
12797
12798         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
12799         (shiftsub1_cost): New.
12800         (init_expmed): Compute shiftsub1_cost.
12801         (synth_mult): Optimize multiplications by constants of the form
12802         -(2^^m-1) for some constant positive integer m.
12803
12804 2009-05-03  Richard Guenther  <rguenther@suse.de>
12805
12806         PR c/39983
12807         * c-typeck.c (array_to_pointer_conversion): Do not built
12808         ADDR_EXPRs of arrays of pointer-to-element type.
12809         * c-gimplify.c (c_gimplify_expr): Revert change fixing
12810         up wrong ADDR_EXPRs after-the-fact.
12811         * c-common.c (strict_aliasing_warning): Strip pointer
12812         conversions for obtaining the original type.
12813         * builtins.c (fold_builtin_memset): Handle array types.
12814         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
12815         and array types
12816
12817 2009-05-03  Richard Guenther  <rguenther@suse.de>
12818
12819         PR middle-end/23329
12820         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
12821         Do not lose casts from array types with unknown extent to array
12822         types with known extent.
12823         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
12824         alias set compatibility.
12825
12826 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
12827
12828         * flags.h (extra_warnings): Delete.
12829         * toplev.c (process_options): Handle Wuninitialized here.
12830         * opts.c (extra_warnings): Delete.
12831         (set_Wextra): Delete.
12832         (common_handle_option): -Wextra can be handled automatically.
12833         * c-opts.c (c_common_handle_option): Delete obsolete code.
12834         (c_common_post_options): Simplify comment.
12835         * common.opt (W): Add Var.
12836         (Wextra): Add Var.
12837         (Wuninitialized): Initialize to -1.
12838
12839 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
12840             Richard Guenther  <rguenther@suse.de>
12841
12842         * expr.c (get_def_for_expr): New function.
12843         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
12844         SSA rather than trees.
12845         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
12846         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
12847
12848 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
12849
12850         * c-common.c (reswords): Add _Imaginary.
12851         * c-common.c (enum rid): Add RID_IMAGINARY.
12852
12853 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
12854
12855         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
12856         Patch by Richard Guenther.
12857
12858 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
12859
12860         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
12861         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
12862         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
12863         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
12864         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
12865         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
12866         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
12867         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
12868         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
12869         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
12870         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
12871         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
12872         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
12873         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
12874         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
12875         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
12876         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
12877         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
12878
12879 2009-05-02  Richard Guenther  <rguenther@suse.de>
12880
12881         PR tree-optimization/39940
12882         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
12883         doing so.
12884
12885 2009-05-02  Richard Guenther  <rguenther@suse.de>
12886
12887         PR middle-end/40001
12888         * tree-ssa.c (execute_update_addresses_taken): Properly check
12889         if we can mark a variable DECL_GIMPLE_REG_P.
12890         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
12891         back to the end of the function.
12892         (is_gimple_reg_type): Remove complex type special casing.
12893         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
12894         if not optimizing.
12895
12896 2009-05-02  Ben Elliston  <bje@au.ibm.com>
12897
12898         * doc/collect2.texi (Collect2): Document search path behaviour
12899         when configured with --with-ld.
12900
12901 2009-05-02  Jan Hubicka  <jh@suse.cz>
12902
12903         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
12904         parameter; update callers.
12905         (coalesce_cost_edge): EH edges are costier because they needs
12906         splitting even if not critical and even more costier when there are
12907         multiple EH predecestors.
12908
12909 2009-05-02  Jan Hubicka  <jh@suse.cz>
12910
12911         * except.c (remove_eh_handler_and_replace): Handle updating after
12912         removing TRY blocks.
12913
12914 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
12915
12916         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
12917
12918 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
12919
12920         * varasm.c: Do not include c-pragma.h.
12921         * attribs.c: Do not incude c-common.h.
12922
12923 2009-05-01  Michael Matz  <matz@suse.de>
12924
12925         * calls.c (initialize_argument_information): Handle SSA names like
12926         decls with a non MEM_P DECL_RTL.
12927
12928 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
12929
12930         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
12931         * ipa-utils.c: Likewise.
12932         * ipa-type-escape.c: Likewise.
12933         * cgraphunit.c Do not include c-common.h.
12934         * ipa-pure-const.c: Likewise.
12935         * tree-if-conv.c: Likewise.
12936         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
12937         * ipa-struct-reorg.c: Likewise.
12938         * tree-nomudflap.c: Likewise.
12939         * tree-ssa-structalias.c: Likewise.
12940
12941 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
12942
12943         * store-motion.c: Many cleanups to make this pass a first-class
12944         citizen instead of an appendix to gcse load motion.  Add TODO list
12945         to make this pass faster/cleaner/better.
12946
12947         (struct ls_expr): Post gcse.c-split cleanups.
12948         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
12949         "stores" field to "avail_stores".
12950         (pre_ldst_mems): Rename to store_motion_mems.
12951         (pre_ldst_table): Rename to store_motion_mems_table.
12952         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
12953         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
12954         (ldst_entry): Rename to st_expr_entry, update users.
12955         (free_ldst_entry): Rename to free_st_expr_entry, update users.
12956         (free_ldst_mems): Rename to free_store_motion_mems, update users.
12957         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
12958         update caller.
12959         (first_ls_expr): Rename to first_st_expr, update users.
12960         (next_ls_expr): Rename to next_st_expr, update users.
12961         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
12962         fields properly for store motion instead of names inherited from load
12963         motion in gcse.c.
12964         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
12965         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
12966         are done with it.
12967
12968         (ae_kill): Rename to st_kill, update users.
12969         (ae_gen): Rename to st_avloc, update users.
12970         (transp): Rename to st_transp, update users.
12971         (pre_insert_map): Rename to st_insert_map, update users.
12972         (pre_delete_map): Rename to st_delete_map, update users.
12973         (insert_store, build_store_vectors, free_store_memory,
12974         one_store_motion_pass): Update for abovementioned changes.
12975
12976         (gcse_subst_count, gcse_create_count): Remove.
12977         (one_store_motion_pass): New statistics counters "n_stores_deleted"
12978         and "n_stores_created", local variables.
12979
12980         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
12981         use for_each_rtx.
12982
12983         (regvec, compute_store_table_current_insn): Remove.
12984         (reg_set_info, reg_clear_last_set): Remove.
12985         (compute_store_table): Use DF caches instead of local dataflow
12986         solvers.
12987
12988 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
12989
12990         * c-objc-common.c (c_tree_printer): Print identifiers with
12991         pp_identifier, not pp_string.  Mark "({anonymous})" for
12992         translation.
12993         * c-pretty-print.c (pp_c_ws_string): New.
12994         (pp_c_cv_qualifier, pp_c_type_specifier,
12995         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
12996         pp_c_storage_class_specifier, pp_c_function_specifier,
12997         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
12998         pp_c_primary_expression, pp_c_postfix_expression,
12999         pp_c_unary_expression, pp_c_shift_expression,
13000         pp_c_relational_expression, pp_c_equality_expression,
13001         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
13002         use pp_string and pp_c_ws_string in place of pp_identifier and
13003         pp_c_identifier for non-identifiers.  Mark English strings for
13004         translation.
13005         * c-pretty-print.h (pp_c_ws_string): Declare.
13006
13007 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
13008             Roland McGrath <roland@redhat.com>
13009
13010         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
13011         (ENABLE_LD_BUILDID): New configuration option.
13012         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
13013         (LINK_BUILDID_SPEC): New macro.
13014         (init_spec): If defined, prepend it between LINK_EH_SPEC and
13015         link_spec.
13016         * doc/install.texi: Document --enable-linker-build-id option.
13017         * configure: Rebuild.
13018         * config.in: Rebuild.
13019
13020 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
13021
13022         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
13023         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
13024         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
13025         MIPS_GP_SAVE_AREA_SIZE.
13026         * config/mips/mips.c (struct mips_frame_info): Update comment
13027         before arg_pointer_offset and hard_frame_pointer_offset.
13028         (mips_compute_frame_info): Update diagram before function: to
13029         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
13030         indicate the position of frame_pointer_rtx with -fstack-protector and
13031         to show args_size.  Don't allocate cprestore area for leaf functions
13032         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
13033         cprestore_size.
13034         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
13035
13036 2009-04-30  Michael Matz  <matz@suse.de>
13037
13038         PR tree-optimization/39955
13039         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
13040
13041 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
13042
13043         * ira.c (setup_cover_and_important_classes):  Use safe macro
13044         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
13045         directly.
13046         * genpreds.c (write_tm_preds_h):  Output suitable definition of
13047         REG_CLASS_FOR_CONSTRAINT.
13048
13049 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
13050
13051         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
13052         instead of an int.
13053         * bitmap.c (bitmap_descriptor): Likewise.
13054         * ggc-common.c (loc_descriptor): Likewise.
13055         * varray.c (varray_descriptor): Likewise.
13056         * vec.c (vec_descriptor): Likewise.
13057
13058 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
13059
13060         * Makefile.in (dce.o): Add $(EXCEPT_H).
13061         * dce.c: Include except.h and delete redundant vector definitions.
13062         (deletable_insn_p): Return false for non-call insns that can throw
13063         if DF is running.
13064
13065 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
13066
13067         * gcse.c (ae_gen): Remove.
13068         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
13069         and make non-static function to make it available in store-motion.c.
13070         Update call sites with search-and-replace.
13071         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
13072         extract_mentioned_regs, extract_mentioned_regs_helper,
13073         find_moveable_store, compute_store_table, load_kills_store, find_loads,
13074         store_killed_in_insn, store_killed_after, store_killed_before,
13075         build_store_vectors, insert_insn_start_basic_block, insert-store,
13076         remove_reachable_equiv_notes, replace_store_insn, delete_store,
13077         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
13078         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
13079         * store-motion.c: ...new file.  Also copy data structures from gcse.c
13080         and clean up to remove parts not used by store motion.
13081         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
13082         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
13083
13084 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
13085
13086         PR target/38571
13087         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
13088         when optimizing for size.
13089
13090 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
13091
13092         * gcse.c (gcse_constant_p): Fix typo in last change.
13093
13094 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
13095
13096         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
13097
13098 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
13099
13100         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
13101
13102 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
13103
13104         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
13105         CONST_HIGH_PART result.
13106
13107 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
13108
13109         * config/avr/avr.c (initial_elimination_offset): Rename to
13110         avr_initial_elimination_offset.
13111         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
13112         change return type to bool.
13113         (avr_can_eliminate): New function.
13114         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
13115         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
13116         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
13117         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
13118         avr_initial_elimination_offset.
13119         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
13120         (avr_initial_elimination_offset): Define.
13121
13122 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
13123             Steven Bosscher  <steven@gcc.gnu.org>
13124
13125         PR rtl-optimization/39938
13126         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
13127         * cfgrtl.c: Include insn-attr.h.
13128         (rest_of_pass_free_cfg): New function.
13129         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
13130         * resource.c (init_resource_info): Remove call to df_analyze.
13131
13132 2009-04-29  Richard Guenther  <rguenther@suse.de>
13133
13134         PR target/39943
13135         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
13136         allow conversion to signed integers.
13137
13138 2009-04-29  Richard Guenther  <rguenther@suse.de>
13139
13140         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
13141         shifts of floating point vectors if the shift amount is
13142         a constant multiple of the element size.
13143
13144 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
13145             Michael Matz  <matz@suse.de>
13146
13147         PR middle-end/39927
13148         PR bootstrap/39929
13149         * tree-outof-ssa.c (emit_partition_copy): New function.
13150         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
13151         insert_part_to_rtx_on_edge): Perform the partition base var
13152         copy using emit_partition_copy.
13153         (insert_value_copy_on_edge): Convert constants to the right mode.
13154         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
13155         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
13156
13157 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
13158
13159         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
13160         scan backwards to try to find a constant to initialize it.
13161
13162         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
13163         insn before the loop_end instruction, don't look past labels.
13164
13165 2009-04-29  Richard Guenther  <rguenther@suse.de>
13166
13167         PR middle-end/39937
13168         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13169         loose type conversions.
13170         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
13171         stmts only if there are no uses of its definition.
13172
13173 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
13174
13175         * config/bfin/bfin.h (splitting_loops): Declare.
13176         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
13177         Reorder bit definitions to be ascending.
13178         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
13179         * config/bfin/bfin.c (splitting_loops): New variable.
13180         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
13181         (struct loop_info): Remove members INIT and LOOP_INIT.
13182         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
13183         the LSETUP sequence.  Allow LC to be loaded from any register, but
13184         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
13185         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
13186         set to 1.
13187         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
13188         of reload_completed.
13189
13190         From Jie Zhang:
13191         * config/bfin/bfin.md (movsi_insn): Refine constraints.
13192
13193 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
13194
13195         * Makefile.in (PLUGIN_VERSION_H): New.
13196         (OBJS-common): Remove plugin-version.o.
13197         (plugin.o): Depend on (PLUGIN_VERSION_H).
13198         (plugin-version.o): Remove.
13199         * configure: Regenerate
13200         * configure.ac: Create plugin-version.h.
13201         * gcc-plugin.h (plugin_gcc_version): Remove.
13202         (plugin_default_version_check): Change signature.
13203         * plugin-version.c: Remove.
13204         * plugin.c: Include plugin-version.h.
13205         (str_plugin_gcc_version_name): Remove.
13206         (try_init_one_plugin): Pass gcc version to plugin_init.
13207         (plugin_default_version_check): Both gcc and plugin versions are now
13208         arguments.
13209
13210 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
13211
13212         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
13213         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
13214         Remove special case testing for last insn of inner loops. Don't fail
13215         if the loop ends with a jump, emit an extra nop instead.
13216
13217         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
13218         DREGS rather than comparing directly.  Remove code that tries to
13219         account for latencies.
13220
13221 2009-04-29  Richard Guenther  <rguenther@suse.de>
13222
13223         PR tree-optimization/39941
13224         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
13225         eliminating an indirect call.
13226
13227 2009-04-29  Richard Guenther  <rguenther@suse.de>
13228
13229         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
13230         parameter.  Allow invariants as base if !require_lvalue.
13231         (verify_gimple_assign_single): Adjust.
13232
13233 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
13234
13235         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
13236         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
13237         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
13238         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
13239         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
13240         a VEC_SELECT.
13241         * config/bfin/bfin.c (bfin_expand_builtin,
13242         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
13243
13244 2009-04-28  Richard Guenther  <rguenther@suse.de>
13245
13246         * tree-vect-loop.c (get_initial_def_for_induction): Use
13247         correct types for pointer increment.
13248
13249 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13250
13251         * toplev.c (print_version): Update GMP version string calculation.
13252
13253 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
13254
13255         PR rtl-optimization/39938
13256         * resource.c (init_resource_info): Add call to df_analyze.
13257
13258 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
13259
13260         * config/alpha/alpha.md (usegp): Cast the result of
13261         alpha_find_lo_sum_using_gp to enum attr_usegp.
13262         * config/alpha/alpha.c (override_options): Remove end-of-structure
13263         marker element from cpu_table.  Use array size of cpu_table to handle
13264         -mcpu and -mtune options.
13265         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
13266
13267 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
13268
13269         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
13270         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
13271         tune_32 and tune_64.
13272         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
13273         support on PowerPC.
13274         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
13275         * config/rs6000/option-defaults.h: ... here.  New file.
13276         (OPT_64, OPT_32): Define.
13277         (MASK_64BIT): Define to 0 if not already defined.
13278         (OPT_ARCH64, OPT_ARCH32): Define.
13279         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
13280         and tune_64.
13281
13282 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
13283
13284         * config/arm/arm.c (arm_override_options): Emit error on using
13285         fpa with AAPCS.
13286
13287 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
13288
13289         PR rtl-optimization/39914
13290         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
13291         registers for allocnos created from user-defined variables only
13292         when not optimizing.
13293
13294 2009-04-28  Richard Guenther  <rguenther@suse.de>
13295
13296         PR middle-end/39937
13297         * fold-const.c (fold_binary): Use distribute_real_division only
13298         on float types.
13299
13300 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
13301
13302         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
13303         add hpux-stdint.h to tm_file.
13304         (hppa[12]*-*-hpux11*): Ditto.
13305         (ia64*-*-hpux*): Ditto.
13306         * config/hpux-stdint.h: New.
13307         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
13308         __STDC_EXT__ for all compiles.
13309         * config/pa/pa-hpux.h: Ditto.
13310         * config/pa/pa-hpux10.h: Ditto.
13311         * config/pa/pa-hpux11.h: Ditto.
13312
13313 2009-04-28  Catherine Moore  <clm@codesourcery.com>
13314
13315         * debug.h (set_name): Add comment.
13316
13317 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
13318
13319         PR target/39929
13320         * config/darwin.c (machopic_gen_offset): Check
13321         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
13322         * config/arm/arm.c (require_pic_register): Likewise.
13323
13324 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
13325
13326         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
13327         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
13328         m32c_promote_prototypes): Delete.
13329
13330 2009-04-28  Michael Matz  <matz@suse.de>
13331
13332         PR middle-end/39922
13333         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
13334         constants.
13335
13336 2009-04-28  Richard Guenther  <rguenther@suse.de>
13337
13338         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
13339
13340 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
13341
13342         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
13343         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
13344         * config/arm/arm-tune.md: Regenerate.
13345
13346 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
13347
13348         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
13349         block if there are complex incoming edges.
13350         (sel_merge_blocks): Remove useless assert.
13351         (sel_redirect_edge_and_branch): Check that edge was redirected.
13352         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
13353         (sel_find_rgns): Delete declaration.
13354         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
13355         the region when it is not a preheader.
13356
13357 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
13358
13359         PR c/39323
13360         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
13361
13362 2009-04-28  Richard Guenther  <rguenther@suse.de>
13363
13364         * tree.h (SSA_NAME_VALUE): Remove.
13365         (struct tree_ssa_name): Remove value_handle member.
13366         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
13367         array for jump threading.
13368         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
13369         SSA_NAME_VALUEs.
13370         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
13371         * tree-flow.h (threadedge_initialize_values): Declare.
13372         (threadedge_finalize_values): Likewise.
13373         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
13374         (SSA_NAME_VALUE): Define.
13375         (threadedge_initialize_values): New function.
13376         (threadedge_finalize_values): Likewise.
13377         * tree-ssa-dom.c (ssa_name_values): New global variable.
13378         (SSA_NAME_VALUE): Define.
13379         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
13380
13381 2009-04-28  Ira Rosen  <irar@il.ibm.com>
13382
13383         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
13384         Use REPORT_VECTORIZED_LOCATIONS instead
13385         REPORT_VECTORIZED_LOOPS.
13386         * tree-vectorizer.c (vect_verbosity_level): Make static.
13387         (vect_loop_location): Rename to vect_location.
13388         (vect_set_verbosity_level): Update comment.
13389         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
13390         and vect_location.
13391         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
13392         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
13393         instead REPORT_UNVECTORIZED_LOOPS.
13394         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
13395         and vect_loop_def to vect_external_def and vect_internal_def.
13396         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
13397         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and
13398         REPORT_UNVECTORIZED_LOCATIONS.
13399         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
13400         and vect_used_in_loop and to vect_unused_in_scope and
13401         vect_used_in_scope.
13402         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
13403         (vect_verbosity_level): Remove declaration.
13404         (vect_analyze_operations): Likewise.
13405         (vect_analyze_stmt): Declare.
13406         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
13407         REPORT_UNVECTORIZED_LOCATIONS.
13408         (vect_get_loop_niters): Fix indentation.
13409         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
13410         (vect_analyze_loop_operations): New function.
13411         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
13412         vect_analyze_operations.
13413         (vect_is_simple_reduction): Use new names.
13414         (vectorizable_live_operation, vect_transform_loop): Likewise.
13415         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
13416         to specify whether the data references can be a part of interleaving
13417         chain.
13418         (vect_analyze_data_ref_dependence): Use new names.
13419         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
13420         (vect_create_addr_base_for_vector_ref): Remove redundant code.
13421         * tree-vect-patterns.c (widened_name_p): Use new names.
13422         (vect_recog_dot_prod_pattern): Likewise.
13423         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
13424         (process_use, vect_mark_stmts_to_be_vectorized,
13425         vect_model_simple_cost, vect_model_store_cost,
13426         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
13427         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
13428         vectorizable_operation, vectorizable_type_demotion,
13429         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
13430         vectorizable_condition): Likewise.
13431         (vect_analyze_operations): Split into vect_analyze_loop_operations
13432         and ...
13433         (vect_analyze_stmt): ... new function.
13434         (new_stmt_vec_info): Use new names.
13435         (vect_is_simple_use): Use new names and fix comment.
13436         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
13437         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
13438
13439 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
13440
13441         PR target/39911
13442         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
13443         and integer modes for x87 operands.  Do not ICE for unsupported size,
13444         generate error instead.  Generate error for unsupported operand types.
13445         ['z']: Do not handle HImode memory operands specially.  Warning
13446         for floating-point operands.  Fallthru to 'Z' for unsupported operand
13447         types.  Do not ICE for unsupported size, generate error instead.
13448         (output_387_binary_op): Use %Z to output operands.
13449         (output_fp_compare): Ditto.
13450         (output_387_reg_move): Ditto.
13451
13452 2009-04-28  Ben Elliston  <bje@au.ibm.com>
13453
13454         PR c++/35652
13455         Revert:
13456
13457         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
13458
13459         * builtins.c (c_strlen): Do not warn here.
13460         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
13461         * c-common.c (pointer_int_sum): Take an explicit location.
13462         Warn about offsets out of bounds.
13463         * c-common.h (pointer_int_sum): Adjust declaration.
13464
13465 2009-04-27  Ian Lance Taylor  <iant@google.com>
13466
13467         * collect2.c (is_ctor_dtor): Change type of ret field in struct
13468         names to symkind.
13469         * dce.c (run_fast_df_dce): Change type of old_flags to int.
13470         * df-core.c (df_set_flags): Change return type to int.  Change
13471         type of old_flags to int.
13472         (df_clear_flags): Likewise.
13473         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
13474         (df_get_conditional_uses): Likewise.
13475         * df.h (df_set_flags, df_clear_flags): Update declarations.
13476         * dwarf2out.c (struct indirect_string_node): Change type of form
13477         field to enum dwarf_form.
13478         (AT_string_form): Change return type to enum dwarf_form.
13479         * fixed-value.c (fixed_compare): Add cast to enum type.
13480         * fwprop.c (update_df): Change 0 to VOIDmode.
13481         * gensupport.c: Change 0 to UNKNOWN.
13482         * gimple.h (gimple_cond_code): Add cast to enum type.
13483         * haifa-sched.c (reemit_notes): Add cast to enum type.
13484         * hooks.c (hook_int_void_no_regs): Remove function.
13485         * hooks.h (hook_int_void_no_regs): Remove declaration.
13486         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
13487         * predict.c (combine_predictions_for_insn): Add casts to enum type.
13488         * real.c (real_arithmetic): Add cast to enum type.
13489         (real_compare): Likewise.
13490         * target.h (struct gcc_target): Change return type of
13491         branch_target_register_class to enum reg_class.
13492         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
13493         default_branch_target_register_class.
13494         * targhooks.c (default_branch_target_register_class): New function.
13495         * targhooks.h (default_branch_target_register_class): Declare.
13496         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
13497         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
13498         cast to int.
13499         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
13500         ERROR_MARK.
13501         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
13502         vect_uninitialized_def.  Change 0 to ERROR_MARK.
13503         * tree-vect-stmts.c (supportable_widening_operation): Don't
13504         initialize icode1 and icode2.
13505         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
13506         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
13507         and to STD_C89.
13508         (cmn_err_flag_specs): Change 0 to STD_C89.
13509         (cmn_err_char_table): Likewise.
13510         * config/arm/arm.c (get_arm_condition_code): Change type of code
13511         to enum arm_cond_code.
13512         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
13513         (IWMMXT_BUILTIN2): Likewise.
13514         (neon_builtin_type_bits): Don't define typedef.
13515         (neon_builtin_datum): Change type of bits field to int.
13516         (arm_expand_neon_args): Add cast to enum type.
13517         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
13518         TLS_MODEL_NONE.
13519         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
13520         casts to enum type.
13521         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
13522         MIPS_FP_COND_f.
13523         * config/mips/mips.md (jal_macro): Return enum constant.
13524         (single_insn): Likewise.
13525         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
13526         CODE_FOR_nothing.
13527         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
13528         casts to enum type.
13529         * config/s390/s390.c (s390_tune_flags): Change type to int.
13530         (s390_arch_flags): Likewise.
13531         (s390_handle_arch_option): Change flags field of struct pta to int.
13532         * config/s390/s390.h (s390_tune_flags): Update declaration.
13533         (s390_arch_flags): Likewise.
13534         * config/sh/sh.c (prepare_move_operands): Compare
13535         tls_symbolic_operand result with enum constant.
13536         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
13537         (sh_expand_prologue): Add cast to enum type.
13538         (sh_expand_epilogue): Likewise.
13539         (tls_symbolic_operand): Change return type to enum tls_model.
13540         (fpscr_set_from_mem): Add cast to enum type.
13541         (legitimize_pic_address): Compare tls_symbolic_operand result with
13542         enum constant.
13543         (sh_target_reg_class): Change return type to enum reg_class.
13544         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
13545         PROCESSOR_xxx.
13546         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
13547         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
13548         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
13549         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
13550         (delayed_branch, tls_call_delay): Likewise.
13551         (eligible_for_sibcall_delay): Likewise.
13552         (eligible_for_return_delay): Likewise.
13553         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
13554         (spu_expand_builtin_1): Likewise.
13555
13556         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
13557         for all types of conversions.
13558         (output_init_element): Issue -Wc++-compat warning if needed when
13559         initializing a bitfield with enum type.
13560         * c-parser.c (c_parser_expression): Set original_type to
13561         original_type of right hand operand of comma operator.
13562
13563 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13564
13565         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
13566         grammar nits.
13567         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
13568         * doc/cpp.texi (Standard Predefined Macros)
13569         (Implementation-defined behavior): Likewise.
13570         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
13571         * doc/gimple.texi (GIMPLE Exception Handling)
13572         (@code{GIMPLE_ASSIGN}): Likewise.
13573         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
13574         * doc/invoke.texi (Warning Options, Optimize Options)
13575         (AVR Options, Darwin Options): Likewise.
13576         (Optimize Options): Reformulate -fwhole-program description.
13577         * doc/loop.texi (Lambda): Likewise.
13578         * doc/md.texi (Output Template, Define Constraints)
13579         (Standard Names, Insn Splitting): Likewise.
13580         * doc/options.texi (Option properties): Likewise.
13581         * doc/passes.texi (Tree-SSA passes): Likewise.
13582         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
13583         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
13584         (File Names and DBX): Likewise.
13585         * doc/trouble.texi (Incompatibilities): Likewise.
13586
13587 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
13588
13589         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
13590         instruction is correct.
13591
13592 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
13593
13594         Allow non-constant arguments to conversion intrinsics.
13595         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
13596         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
13597         * spu.c (print_operand): Handle 'v' and 'w'.
13598         (exp2_immediate_p, spu_gen_exp2): Define.
13599         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
13600         spu_convtf_1): Update parameter descriptions.
13601         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
13602         * constraints.md ('v', 'w'): New.
13603         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
13604         Remove.
13605         (i2f, I2F): New define_mode_attr.
13606         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
13607         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
13608         fixuns_truncv4sfv4si2):  Update to use mode attribute.
13609         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
13610         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
13611         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
13612         patterns for combine.
13613
13614 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
13615
13616         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
13617         (cprop, hoist, pre, store_motion): New debug counters.
13618         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
13619         is not an RTL pass anymore.
13620         (pass_profiling): Remove extern decl for pass removed in 2005.
13621         (pass_gcse, pass_jump_bypass): Remove.
13622         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
13623         to 0 for clean state.
13624         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
13625         * cse.c (gate_handle_cse_after_global_opts,
13626         rest_of_handle_cse_after_global_opts): New functions.
13627         (pass_cse_after_global_opts): New pass, does local CSE.
13628         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
13629         (TV_CPROP): New timevar.
13630         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
13631         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
13632         (gcse_main, recompute_all_luids): Remove.
13633         (compute_hash_table_work): Call max_reg_num instead of reading
13634         max_gcse_regno.
13635         (cprop_jump): Don't set run_jump_opt_after_gcse.
13636         (constprop_register): Always allow to alter jumps.
13637         (cprop_insn): Likewise.
13638         (do_local_cprop): Likewise.
13639         (local_cprop_pass): Likewise.  Return non-zero if something changed.
13640         (cprop): Remove function, fold interesting bits into one_cprop_pass.
13641         (find_implicit_sets): Add note about missed optimization opportunity.
13642         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
13643         pass_rtl_cprop execute function.
13644         Don't bother tracking the pass number, each pass gets its own dumpfile
13645         now anyway.
13646         Always allow to alter jumpsand bypass jumps.
13647         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
13648         will just find no suitable set.
13649         (pre_edge_insert): Fix dumping, this function is for PRE only.
13650         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
13651         pass_rtl_pre execute function.
13652         (hoist_code): Return non-zero if something changed.  Keep track of
13653         substitutions and insertions for statistics gathering similar to PRE.
13654         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
13655         called from the pass_rtl_hoist execute function.  Show pass statistics.
13656         (compute_store_table): Use max_reg_num directly instead of using the
13657         formerly global max_gcse_regno.
13658         (build_store_vectors): Likewise.
13659         (replace_store_insn): Fix dumping.
13660         (store_motion): Rename to ...
13661         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
13662         pass, called from the pass_rtl_store_motion execute function.  Keep
13663         track of substitutions and insertions for statistics gathering similar
13664         to PRE.
13665         (bypass_jumps): Remove, fold interesting bits into ...
13666         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
13667         from the pass_rtl_cprop execute function.
13668         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
13669         pass_jump_bypass): Remove.
13670         (gate_handle_gcse, rest_of_handle_gcse): Remove.
13671         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
13672         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
13673         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
13674         (gate_rtl_store_motion, execute_rtl_store_motion,
13675         pass_rtl_store_motion): New.
13676         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
13677         make it clear that -fcse-skip-blocks is a no-op for backward compat.
13678         * passes.c (init_optimization_passes): Remove pass_gcse and
13679         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
13680         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
13681         instead of pass_jump_bypass.
13682
13683 2009-04-27  Richard Guenther  <rguenther@suse.de>
13684
13685         PR middle-end/39928
13686         * gimplify.c (gimplify_expr): If we are required to create
13687         a temporary make sure it ends up as register.
13688
13689 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
13690
13691         PR target/39903
13692         * config/i386/i386.c (construct_container): Don't call
13693         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
13694         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
13695
13696 2009-04-27  Michael Matz  <matz@suse.de>
13697
13698         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
13699         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
13700         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
13701         (dump_replaceable_exprs): Take a bitmap.
13702         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
13703         array.
13704         (expand_gimple_basic_block): Likewise.
13705         * tree-ssa-ter.c (struct temp_expr_table_d): Make
13706         replaceable_expressions member a bitmap.
13707         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
13708         (mark_replaceable): Likewise.
13709         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
13710         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
13711
13712 2009-04-27  Richard Guenther  <rguenther@suse.de>
13713
13714         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
13715         (verify_stmts): Dispatch to gimple/type verification code.
13716         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
13717         issue with call argument types.
13718
13719 2009-04-27  Michael Matz  <matz@suse.de>
13720
13721         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
13722         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
13723         to above.
13724
13725 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
13726             Eric Botcazou  <ebotcazou@adacore.com>
13727
13728         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
13729         a label's basic block.
13730         (mark_target_live_regs): Tidy and rework obsolete comments.
13731         Change back DF problem to LIVE.  If a label starts a basic block,
13732         assume that all registers that used to be live then still are.
13733         (init_resource_info): If a label starts a basic block, set its
13734         BLOCK_FOR_INSN accordingly.
13735         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
13736
13737 2009-04-27  Richard Guenther  <rguenther@suse.de>
13738
13739         * tree-flow-inline.h (function_ann): Remove.
13740         (get_function_ann): Likewise.
13741         * tree-dfa.c (create_function_ann): Remove.
13742         * tree-flow.h (struct static_var_ann_d): Remove.
13743         (struct function_ann_d): Likewise.
13744         (union tree_ann_d): Remove fdecl member.
13745         (function_ann_t): Remove.
13746         (function_ann, get_function_ann, create_function_ann): Remove
13747         declarations.
13748
13749 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
13750
13751         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
13752
13753 2009-04-27  Jan Hubicka  <jh@suse.cz>
13754
13755         * ipa-pure-const.c (struct funct_state_d): New fields
13756         state_previously_known, looping_previously_known; remove
13757         state_set_in_source.
13758         (analyze_function): Use new fields.
13759         (propagate): Avoid assumption that state_set_in_source imply
13760         nonlooping.
13761
13762         * tree-ssa-loop-niter.c (finite_loop_p): New function.
13763         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
13764         * cfgloop.h (finite_loop_p): Declare.
13765
13766 2009-04-26  Michael Matz  <matz@suse.de>
13767
13768         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
13769
13770 2009-04-26  Michael Matz  <matz@suse.de>
13771
13772         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
13773         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
13774         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
13775         pass_mark_used_blocks): Remove.
13776         * tree-optimize.c (pass_free_datastructures,
13777         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
13778         * passes.c (init_optimization_passes): Don't call
13779         pass_mark_used_blocks, remove dead code.
13780
13781 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
13782
13783         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
13784         * tree-ssa-live.h (register_ssa_partition): Likewise.
13785
13786 2009-04-26  Michael Matz  <matz@suse.de>
13787
13788         Expand from SSA.
13789         * builtins.c (fold_builtin_next_arg): Handle SSA names.
13790         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
13791         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
13792         SSA names.
13793         (compare_pairs): Swap cost comparison.
13794         (coalesce_ssa_name): Don't use change_partition_var.
13795         * tree-nrv.c (struct nrv_data): Add modified member.
13796         (finalize_nrv_r): Set it.
13797         (tree_nrv): Use it to update statements.
13798         (pass_nrv): Require PROP_ssa.
13799         * tree-mudflap.c (mf_decl_cache_locals,
13800         mf_build_check_statement_for): Use make_rename_temp.
13801         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
13802         * alias.c (find_base_decl): Handle SSA names.
13803         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
13804         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
13805         * rtl.h (set_reg_attrs_for_parm): Declare.
13806         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
13807         to "optimized", remove unused locals at finish.
13808         (execute_free_datastructures): Make global, call
13809         delete_tree_cfg_annotations.
13810         (execute_free_cfg_annotations): Don't call
13811         delete_tree_cfg_annotations.
13812
13813         * ssaexpand.h: New file.
13814         * expr.c (toplevel): Include ssaexpand.h.
13815         (expand_assignment): Handle SSA names the same as register variables.
13816         (expand_expr_real_1): Expand SSA names.
13817         * cfgexpand.c (toplevel): Include ssaexpand.h.
13818         (SA): New global variable.
13819         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
13820         (SSAVAR): New macro.
13821         (set_rtl): New helper function.
13822         (add_stack_var): Deal with SSA names, use set_rtl.
13823         (expand_one_stack_var_at): Likewise.
13824         (expand_one_stack_var): Deal with SSA names.
13825         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
13826         before unique numbers.
13827         (expand_stack_vars): Use set_rtl.
13828         (expand_one_var): Accept SSA names, add asserts for them, feed them
13829         to above subroutines.
13830         (expand_used_vars): Expand all partitions (without default defs),
13831         then only the local decls (ignoring those expanded already).
13832         (expand_gimple_cond): Remove edges when jumpif() expands an
13833         unconditional jump.
13834         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
13835         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
13836         SSA name.
13837         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
13838         members of SA; deal with PARM_DECL partitions here; expand
13839         all PHI nodes, free tree datastructures and SA.  Commit instructions
13840         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
13841         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
13842         info and statements at start, collect garbage at finish.
13843         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
13844         (VAR_ANN_PARTITION) Remove.
13845         (change_partition_var): Don't declare.
13846         (partition_to_var): Always return SSA names.
13847         (var_to_partition): Only accept SSA names.
13848         (register_ssa_partition): Only check argument.
13849         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
13850         member.
13851         (delete_var_map): Don't free it.
13852         (var_union): Only accept SSA names, simplify.
13853         (partition_view_init): Mark only useful SSA names as used.
13854         (partition_view_fini): Only deal with SSA names.
13855         (change_partition_var): Remove.
13856         (dump_var_map): Use ssa_name instead of partition_to_var member.
13857         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
13858         basic blocks.
13859         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
13860         (struct _elim_graph): New member const_dests; nodes member vector of
13861         ints.
13862         (set_location_for_edge): New static helper.
13863         (create_temp): Remove.
13864         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
13865         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
13866         (new_elim_graph): Allocate const_dests member.
13867         (clean_elim_graph): Truncate const_dests member.
13868         (delete_elim_graph): Free const_dests member.
13869         (elim_graph_size): Adapt to new type of nodes member.
13870         (elim_graph_add_node): Likewise.
13871         (eliminate_name): Likewise.
13872         (eliminate_build): Don't take basic block argument, deal only with
13873         partition numbers, not variables.
13874         (get_temp_reg): New static helper.
13875         (elim_create): Use it, deal with RTL temporaries instead of trees.
13876         (eliminate_phi): Adjust all calls to new signature.
13877         (assign_vars, replace_use_variable, replace_def_variable): Remove.
13878         (rewrite_trees): Only do checking.
13879         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
13880         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
13881         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
13882         contains_tree_r, MAX_STMTS_IN_LATCH,
13883         process_single_block_loop_latch, analyze_edges_for_bb,
13884         perform_edge_inserts): Remove.
13885         (expand_phi_nodes): New global function.
13886         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
13887         functions, initialize new parameter, remember partitions having a
13888         default def.
13889         (finish_out_of_ssa): New global function.
13890         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
13891         don't reset in_ssa_p here, don't disable TER when mudflap.
13892         (pass_del_ssa): Remove.
13893         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
13894         partition members.
13895         (execute_free_datastructures): Declare.
13896         * Makefile.in (SSAEXPAND_H): New variable.
13897         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
13898         * basic-block.h (commit_one_edge_insertion): Declare.
13899         * passes.c (init_optimization_passes): Move pass_nrv and
13900         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
13901         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
13902         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
13903         (redirect_branch_edge): Deal with super block when expanding, split
13904         out jump patching itself into ...
13905         (patch_jump_insn): ... here, new static helper.
13906
13907 2009-04-26  Michael Matz  <matz@suse.de>
13908
13909         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
13910         beyond num_ssa_names.
13911         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
13912         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
13913
13914 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
13915
13916         PR inline-asm/39543
13917         * fwprop.c (forward_propagate_asm): New function.
13918         (forward_propagate_and_simplify): Propagate also into __asm, if it
13919         doesn't increase the number of referenced registers.
13920
13921         PR c/39889
13922         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
13923
13924 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
13925
13926         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
13927         note_nonlocal_vla_type for nonlocal VLAs.
13928         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
13929         contains_remapped_vars, remap_vla_decls): New functions.
13930         (convert_nonlocal_reference_stmt): If not optimizing, call
13931         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
13932         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
13933         if it wasn't found in var_map.
13934         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
13935         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
13936         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
13937         declare_vars.
13938         * gimplify.c (nonlocal_vlas): New variable.
13939         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
13940         referenced VLAs.
13941         (gimplify_body): Create and destroy nonlocal_vlas.
13942
13943         * dwarf2out.c (loc_descr_plus_const): New function.
13944         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
13945         mem_loc_descriptor, loc_descriptor_from_tree_1,
13946         descr_info_loc, gen_variable_die): Use it.
13947
13948         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
13949         !TREE_STATIC VAR_DECLs.
13950         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
13951         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
13952         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
13953         DECL_BY_REFERENCE is valid.
13954         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
13955         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
13956         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
13957         Copy DECL_BY_REFERENCE.
13958         (struct nesting_copy_body_data): New type.
13959         (nesting_copy_decl): New function.
13960         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
13961         if they have variable length.
13962
13963 2009-04-26  Michael Matz  <matz@suse.de>
13964
13965         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
13966         mark new temporaries for renaming.
13967
13968 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
13969
13970         PR c/39581
13971         * c-decl.c (global_bindings_p): Return negative value.
13972         (c_variable_size): New.  Based on variable_size from
13973         stor-layout.c.
13974         (grokdeclarator): Call c_variable_size not variable_size.
13975
13976 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
13977
13978         * config/i386/i386.c (print_operand) ['z']: Fix typo.
13979
13980 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
13981
13982         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
13983         Redefine it to just use mingw/include.
13984         (ASM_SPEC): Rules for -m32 and -m64.
13985         (LINK_SPEC): Use Likewise.
13986         (SPEC_32): New define.
13987         (SPEC_64): Likewise.
13988         (SUB_LINK_SPEC): Likewise.
13989         (MULTILIB_DEFAULTS): New define.
13990         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
13991         Add multilib options.
13992         (MULTILIB_DIRNAMES): Likewise.
13993         (MULTILIB_OSDIRNAMES): Likewise.
13994         (LIBGCC): Likewise.
13995         (INSTALL_LIBGCC): Likewise.
13996
13997 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
13998
13999         PR c/39556
14000         * c-tree.h (enum c_inline_static_type): New.
14001         (record_inline_static): Declare.
14002         * c-decl.c (struct c_inline_static, c_inline_statics,
14003         record_inline_static, check_inline_statics): New.
14004         (pop_file_scope): Call check_inline_statics.
14005         (start_decl): Call record_inline_static instead of pedwarning
14006         directly for static in inline function.
14007         * c-typeck.c (build_external_ref): Call record_inline_static
14008         instead of pedwarning directly for static referenced in inline
14009         function.
14010
14011 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
14012
14013         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
14014         not new but only being rescanned.
14015         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
14016         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
14017         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
14018         record_set_info, compute_set, grealloc): Remove.
14019         (recompute_all_luids): New function.
14020         (gcse_main): Don't compute sets, and don't do related memory
14021         allocations/free-ing.  If something changed before the end of the
14022         pass, update LUIDs using recompute_all_luids.
14023         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
14024         (free_gcse_mem): Don't free it either.
14025         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
14026         Use the df insn LUIDs.
14027         (load_killed_in_block): Likewise.
14028         (compute_hash_table_work): Don't compute reg_set_in_block.
14029         (compute_transp): Use DF_REG_DEF_CHAINs.
14030         (local_cprop_pass): Don't use compute_sets and related functions.
14031         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
14032         Use get_max_uid() instead of max_cuid.
14033         (insert_insn_end_basic_block, pre_insert_copy_insn,
14034         update_ld_motion_stores): Don't try to
14035         keep reg_set tables up to date.
14036         (pre_insert_copies): Use df insn LUIDs.
14037         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
14038         (reg_set_info): Don't use extra bitmap argument.
14039         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
14040         information to compute regs_set_in_block.
14041         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
14042         (bypass_jumps): Don't use compute_sets and friends.
14043
14044 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14045
14046         PR testsuite/39710
14047         * opts.c (undocumented_msg): Do not leave blank even with
14048         ENABLE_CHECKING.
14049
14050 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
14051
14052         * c-decl.c (build_enumerator): Allow values folding to integer
14053         constants but not integer constant expressions with a pedwarn if
14054         pedantic.
14055
14056 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
14057
14058         PR c/39582
14059         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
14060         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
14061         type is an integer constant.
14062
14063 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
14064
14065         PR target/39897
14066         * config/i386/i386.c (print_operand) ['z']: Revert handling of
14067         HImode operands.
14068
14069 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
14070
14071         PR c/39564
14072         * c-decl.c (grokdeclarator): Diagnose declarations of functions
14073         with variably modified return type and no storage class
14074         specifiers, except for the case of nested functions.  Distinguish
14075         extern declarations of functions with variably modified return
14076         types from those of objects with variably modified types.
14077
14078 2009-04-25  Jan Hubicka  <jh@suse.cz>
14079
14080         * tree.c (list_equal_p): New function.
14081         * tree.h (list_equal_p): Declare.
14082         * coretypes.h (edge_def, edge, const_edge, basic_block_def
14083         basic_block_def, basic_block, const_basic_block): New.
14084         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
14085         (redirect_eh_edge): New function.
14086         (make_eh_edge_update_phi): EH edges are not abnormal.
14087         * except.c: Include tree-flow.h.
14088         (list_match): New function.
14089         (eh_region_replaceable_by_p): New function.
14090         (replace_region): New function.
14091         (hash_type_list): New function.
14092         (hash_eh_region): New function.
14093         (eh_regions_equal_p): New function.
14094         (merge_peers): New function.
14095         (remove_unreachable_regions): Verify EH tree when checking;
14096         merge peers.
14097         (copy_eh_region_1): New function.
14098         (copy_eh_region): New function.
14099         (push_reachable_handler): New function.
14100         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
14101         regions without label but with live RESX.
14102         * except.h (redirect_eh_edge_to_label): New.
14103         * tree-flow.h (redirect_eh_edge): New.
14104         * coretypes.h (edge_def, edge, const_edge, basic_block_def
14105         basic_block_def, basic_block, const_basic_block): Remove.
14106         * Makefile.in (except.o): Add dependency on tree-flow.h
14107         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
14108         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
14109         Remove.
14110
14111 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
14112
14113         PR bootstrap/39645
14114         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
14115         on the destination of memcpy.
14116
14117 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
14118
14119         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
14120         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
14121         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
14122
14123 2009-04-25  Jan Hubicka  <jh@suse.cz>
14124
14125         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
14126         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
14127         to be reached by different label than left.
14128         (update_eh_edges): Update comment; remove edge_to_remove if possible
14129         and return true if suceeded.
14130         (cleanup_empty_eh): Accept sharing map; handle shared regions.
14131         (cleanup_eh): Compute sharing map.
14132         * except.c (remove_eh_handler_and_replace): Add argument if we should
14133         update regions.
14134         (remove_unreachable_regions): Update for label sharing.
14135         (label_to_region_map): Likewise.
14136         (get_next_region_sharing_label): New function.
14137         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
14138         prev_try pointers.
14139         (remove_eh_handler): Update.
14140         (remove_eh_region_and_replace_by_outer_of): New function.
14141         * except.h (struct eh_region): Add next_region_sharing_label.
14142         (remove_eh_region_and_replace_by_outer_of,
14143         get_next_region_sharing_label): Declare.
14144         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
14145
14146 2009-04-25  Jan Hubicka  <jh@suse.cz>
14147
14148         * tree-cfg.c (split_critical_edges): Split also edges where we can't
14149         insert code even if they are not critical.
14150
14151 2009-04-25  Jan Hubicka  <jh@suse.cz>
14152
14153         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
14154         (gimple_can_remove_branch_p): EH edges won't remove branch by
14155         redirection.
14156         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
14157         updating of non-abnormal EH edges.
14158         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
14159         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
14160         (split_critical_edges): Split also edges where emitting code on them
14161         will lead to splitting later.
14162
14163 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
14164             H.J. Lu  <hongjiu.lu@intel.com>
14165
14166         PR target/39590
14167         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
14168         the configured assembler supports fildq and fistpq mnemonics.
14169         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
14170         * configure: Regenerated.
14171         * config.in: Ditto.
14172
14173         * config/i386/i386.c (print_operand): Handle 'Z'.
14174         ['z']: Remove handling of special fild/fist suffixes.
14175         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
14176         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
14177         suffix of fild insn.
14178         (*floatsi<mode>2_vector_mixed): Ditto.
14179         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
14180         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
14181         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
14182         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
14183         * config/i386/gas.h (GAS_MNEMONICS): Remove.
14184
14185 2009-04-25  Ben Elliston  <bje@au.ibm.com>
14186
14187         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
14188         the source of a set operation.
14189
14190 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
14191
14192         * target.h (struct gcc_target): Add case_values_threshold field.
14193         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
14194         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
14195         * targhooks.c (default_case_values_threshold): New function.
14196         * targhooks.h (default_case_values_threshold): Declare function.
14197         * stmt.c (expand_case): Use case_values_threshold target hook.
14198         * expr.h (case_values_threshold): Remove declartation.
14199         * expr.c (case_values_threshold): Remove function.
14200         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
14201
14202         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
14203         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
14204         (avr_case_values_threshold): Declare as static.
14205         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
14206
14207         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
14208         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
14209         (mn10300_case_values_threshold): New function.
14210
14211 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
14212
14213         * ira.c (setup_cover_and_important_classes): Add enum cast.
14214
14215 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
14216
14217         * genpreds.c (write_enum_constraint_num): Output definition of
14218         CONSTRAINT_NUM_DEFINED_P macro.
14219         * ira.c (setup_cover_and_important_classes): Use
14220         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
14221
14222 2009-04-24  DJ Delorie  <dj@redhat.com>
14223
14224         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
14225         __SH2A_SINGLE_ONLY__ also.
14226
14227 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
14228
14229         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
14230         (movdf_internal): Ditto.
14231         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
14232         SFmode and DFmode constants.
14233         (ia64_print_operand): Add 'G' format for printing
14234         floating point constants.
14235
14236 2009-04-24  Richard Guenther  <rguenther@suse.de>
14237
14238         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
14239         from unsigned additions.
14240
14241 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
14242
14243         * c-typeck.c (set_init_index): Allow array designators that are
14244         not integer constant expressions with a pedwarn if pedantic.
14245
14246 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
14247
14248         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
14249         zero if no overlap in nonzero bits between the operands.
14250
14251 2009-04-24  Ian Lance Taylor  <iant@google.com>
14252
14253         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
14254         (record_dead_and_set_regs): Likewise.
14255         * df.h (struct df_mw_hardreg): Change flags field to int.
14256         (struct df_base_ref): Likewise.
14257         (struct df): Change changeable_flags field to int.
14258         * df-scan.c (df_defs_record): Change clobber_flags to int.
14259         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
14260         constants rather than #define macros.
14261         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
14262         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
14263         (enum dwarf_calling_convention): Likewise.
14264         (enum dwarf_line_number_x_ops): Likewise.
14265         (enum dwarf_call_frame_info): Likewise.
14266         (enum dwarf_source_language): Likewise.
14267         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
14268         (add_calling_convention_attribute): Likewise.
14269         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
14270         (combine_comparisons): Change compcode to int.  Add cast to enum type.
14271         * genrecog.c (maybe_both_true_2): Change c to int.
14272         (write_switch): Likewise.  Add cast to enum type.
14273         * gimplify.c (gimplify_omp_for): Handle return values from
14274         gimplify_expr using MIN rather than bitwise or.
14275         (gimplify_expr): Add cast to enum type.
14276         * ipa-prop.c (update_jump_functions_after_inlining): Change
14277         IPA_BOTTOM to IPA_JF_UNKNOWN.
14278         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
14279         Add casts to enum type.
14280         (setup_cover_and_important_classes): Change cl to int.  Add casts
14281         to enum type.
14282         (setup_class_translate): Change cl and mode to int.
14283         (ira_init_once): Change mode to int.
14284         (free_register_move_costs): Likewise.
14285         (setup_prohibited_mode_move_regs): Add casts to enum type.
14286         * langhooks.c (add_builtin_function_common): Rework assertion that
14287         value fits bitfield.
14288         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
14289         * omega.c (omega_do_elimination): Avoid math on enum types.
14290         * optabs.c (expand_vec_shift_expr): Remove casts to int.
14291         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
14292         int local to handle integral_argment value.
14293         * regmove.c (try_auto_increment): Change PUT_MODE to
14294         PUT_REG_NOTE_KIND.
14295         * reload.c (push_secondary_reload): Add casts to enum type.
14296         (secondary_reload_class, find_valid_class): Likewise.
14297         * reload1.c (emit_input_reload_insns): Likewise.
14298         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
14299         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
14300         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
14301         constant.
14302         * tree.c (build_common_builtin_nodes): Add casts to enum type.
14303         * tree-complex.c (complex_lattice_t): Typedef to int rather than
14304         enum type.
14305         (expand_complex_libcall): Add casts to enum type.
14306         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
14307         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
14308         with ERROR_MARK, not NUM_TREE_CODES.
14309         (vect_create_epilog_for_reduction): Likewise.
14310         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
14311         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
14312         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
14313         enum machine_mode.
14314         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
14315         vect_unused_in_loop.  Change 0 to loop_vect.
14316         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
14317         * var-tracking.c (get_init_value): Change return type to enum
14318         var_init_status.
14319         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
14320         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
14321         arm_fp_model.
14322         (arm_override_options): Add casts to enum type.
14323         (arm_emit_tls_decoration): Likewise.
14324         * config/i386/i386.c (ix86_function_specific_restore): Add casts
14325         to enum type.
14326         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
14327         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
14328         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
14329         enum type.
14330         * config/s390/s390.c (code_for_builtin_64): Change to array of
14331         enum insn_code.
14332         (code_for_builtin_31): Likewise.
14333         (s390_expand_builtin): Change code_for_builtin to enum insn_code
14334         const *.
14335         * config/sparc/sparc.c (sparc_override_options): Change value
14336         field in struct code_model to enum cmodel.  In initializer change
14337         0 to NULL and add cast to enum type.
14338
14339         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
14340         Change all callers.  Issue a -Wc++-compat warning using
14341         lhs_origtype if necessary.
14342         (convert_for_assignment): Issue -Wc++-compat warnings about
14343         invalid conversions to enum type on assignment.
14344         * c-common.h (build_modify_expr): Update declaration.
14345
14346 2009-04-24  Nick Clifton  <nickc@redhat.com>
14347
14348         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
14349         (function_arg_advance): Likewise.
14350         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
14351         5th alternative.
14352
14353 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
14354
14355         * config/s390/constraints.md ('I', 'J'): Fix condition.
14356
14357 2009-04-24  Diego Novillo  <dnovillo@google.com>
14358
14359         * gengtype-parse.c (parse_error): Add newline after message.
14360
14361 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
14362
14363         * config/i386/sse.md (avxmodesuffixs): Removed.
14364         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
14365         (*avx_pinsr<ssevecsize>): This.
14366
14367 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
14368
14369         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
14370         follow chains of regs with a single definition, and allow expressions
14371         that are function_invariant_p.
14372         (simple_rhs_p): Allow expressions that are function_invariant_p.
14373
14374 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
14375
14376         PR middle-end/39867
14377         * fold-const.c (fold_cond_expr_with_comparison): When folding
14378         > and >= to MAX, make sure the MAX uses the same type as the
14379         comparison's operands.
14380
14381 2009-04-24  Nick Clifton  <nickc@redhat.com>
14382
14383         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
14384         addressing for DImode accesses.
14385         (frv_print_operand_address): Handle PLUS case.
14386         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
14387
14388 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
14389
14390         PR rtl-optimization/39794
14391         * alias.c (canon_true_dependence): Add x_addr argument.
14392         * rtl.h (canon_true_dependence): Adjust prototype.
14393         * cse.c (check_dependence): Adjust canon_true_dependence callers.
14394         * cselib.c (cselib_invalidate_mem): Likewise.
14395         * gcse.c (compute_transp): Likewise.
14396         * dse.c (scan_reads_nospill): Likewise.
14397         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
14398         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
14399         canon_base_addr of the group, plus optional offset.
14400         (struct group_info): Rename canon_base_mem to
14401         canon_base_addr.
14402         (get_group_info): Set canon_base_addr to canon_rtx of base, not
14403         canon_rtx of base_mem.
14404
14405 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
14406
14407         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
14408         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
14409
14410 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
14411
14412         * config/spu/spu-builtins.h: Delete file.
14413
14414         * config/spu/spu.h (enum spu_builtin_type): Move here from
14415         spu-builtins.h.
14416         (struct spu_builtin_description): Likewise.  Add GTY marker.
14417         Do not use enum spu_function_code or enum insn_code.
14418         (spu_builtins): Add extern declaration.
14419
14420         * config/spu/spu.c: Do not include "spu-builtins.h".
14421         (enum spu_function_code, enum spu_builtin_type_index,
14422         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
14423         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
14424         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
14425         unsigned_V2DI_type_node): Move here from spu-builtins.h.
14426         (spu_builtin_types): Make static.  Add GTY marker.
14427         (spu_builtins): Add extern declaration with GTY marker.
14428         Include "gt-spu.h".
14429
14430         * config/spu/spu-c.c: Do not include "spu-builtins.h".
14431         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
14432         Check programmatically whether all parameters are scalar.
14433
14434         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
14435
14436 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
14437
14438         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
14439         assignment from the constructor either if the target is volatile.
14440
14441 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
14442
14443         * config/arm/arm.md (insv): Do not share operands[0].
14444
14445 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
14446
14447         * config/vxlib-tls.c (active_tls_threads): Delete.
14448         (delete_hook_installed): New.
14449         (tls_delete_hook): Don't delete the delete hook.
14450         (tls_destructor): Delete it here.
14451         (__gthread_set_specific): Adjust installing the delete hook.
14452         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
14453         __gthread_leave_tsd_dtor_context.
14454
14455 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
14456
14457         * c-format.c (gcc_tdiag_char_table): Add support for %E.
14458
14459 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
14460
14461         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
14462         enum type.
14463         (alpha_rtx_costs): Ditto.
14464         (emit_unlikely_jump): Use add_reg_note.
14465         (emit_frame_store_1): Ditto.
14466         (alpha_expand_prologue): Ditto.
14467         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
14468         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
14469
14470 2009-04-23  Nick Clifton  <nickc@redhat.com>
14471
14472         * config/v850/v850.md (epilogue): Remove suppressed code.
14473         (return): Rename to return_simple and remove test of frame size.
14474         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
14475         to gen_return_simple.
14476
14477 2009-04-22  Jing Yu  <jingyu@google.com>
14478
14479         PR testsuite/39781
14480         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
14481
14482 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14483
14484         PR C/31499
14485         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
14486         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
14487         value is a VECTOR_CST, the element type is the element type of the
14488         vector.
14489
14490 2009-04-22  DJ Delorie  <dj@redhat.com>
14491
14492         * config/m32c/m32c.h: Update GTY annotations to new syntax.
14493
14494 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
14495
14496         * alias.c (find_base_term): Move around LO_SUM case, so that
14497         CONST falls through into PLUS/MINUS handling.
14498
14499         PR c/39855
14500         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
14501         into 0, use omit_one_operand.
14502
14503 2009-04-23  Ben Elliston  <bje@au.ibm.com>
14504
14505         * config/rs6000/linux-unwind.h (get_regs): Remove type
14506         puns. Change the type of `pc' to an array of unsigned ints and
14507         update all users.  Constify frame24.
14508
14509 2009-04-22  DJ Delorie  <dj@redhat.com>
14510
14511         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
14512         declarations before code.
14513         (current_function_special_page_vector): Likewise.
14514         (m32c_expand_insv): Silence a warning.
14515
14516 2009-04-21  Taras Glek  <tglek@mozilla.com>
14517
14518         * alias.c: Update GTY annotations to new syntax.
14519         * basic-block.h: Likewise.
14520         * bitmap.h: Likewise.
14521         * c-common.h: Likewise.
14522         * c-decl.c: Likewise.
14523         * c-parser.c: Likewise.
14524         * c-pragma.c: Likewise.
14525         * c-tree.h: Likewise.
14526         * cfgloop.h: Likewise.
14527         * cgraph.h: Likewise.
14528         * config/alpha/alpha.c: Likewise.
14529         * config/arm/arm.h: Likewise.
14530         * config/avr/avr.h: Likewise.
14531         * config/bfin/bfin.c: Likewise.
14532         * config/cris/cris.c: Likewise.
14533         * config/darwin.c: Likewise.
14534         * config/frv/frv.c: Likewise.
14535         * config/i386/i386.c: Likewise.
14536         * config/i386/i386.h: Likewise.
14537         * config/i386/winnt.c: Likewise.
14538         * config/ia64/ia64.h: Likewise.
14539         * config/iq2000/iq2000.c: Likewise.
14540         * config/mips/mips.c: Likewise.
14541         * config/mmix/mmix.h: Likewise.
14542         * config/pa/pa.c: Likewise.
14543         * config/pa/pa.h: Likewise.
14544         * config/rs6000/rs6000.c: Likewise.
14545         * config/s390/s390.c: Likewise.
14546         * config/sparc/sparc.c: Likewise.
14547         * config/xtensa/xtensa.c: Likewise.
14548         * cselib.h: Likewise.
14549         * dbxout.c: Likewise.
14550         * dwarf2out.c: Likewise.
14551         * except.c: Likewise.
14552         * except.h: Likewise.
14553         * fixed-value.h: Likewise.
14554         * function.c: Likewise.
14555         * function.h: Likewise.
14556         * gimple.h: Likewise.
14557         * integrate.c: Likewise.
14558         * optabs.c: Likewise.
14559         * output.h: Likewise.
14560         * real.h: Likewise.
14561         * rtl.h: Likewise.
14562         * stringpool.c: Likewise.
14563         * tree-data-ref.c: Likewise.
14564         * tree-flow.h: Likewise.
14565         * tree-scalar-evolution.c: Likewise.
14566         * tree-ssa-address.c: Likewise.
14567         * tree-ssa-alias.h: Likewise.
14568         * tree-ssa-operands.h: Likewise.
14569         * tree.c: Likewise.
14570         * tree.h: Likewise.
14571         * varasm.c: Likewise.
14572         * varray.h: Likewise.
14573         * vec.h: Likewise.
14574         * coretypes.h: Do not define GTY macro if it is already defined.
14575         * doc/gty.texi: Update GTY documentation to new syntax.
14576         * gengtype-lex.l: Enforce attribute-like syntax for GTY
14577         annotations on structs.
14578         * gengtype-parse.c: Likewise.
14579
14580 2009-04-22  Mark Heffernan  <meheff@google.com>
14581
14582         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
14583
14584 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
14585
14586         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
14587         where appropriate.
14588
14589 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
14590
14591         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
14592         the same as a PLUS without a shift.  Increase the cost of a
14593         CONST_INT in MULT.
14594
14595 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
14596
14597         * Makefile.in: Update dependencies.
14598         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
14599         * errors.h: Remove bogus comment about compatibility.
14600         (warning): Update declaration.
14601         * genautomata.c: Update all calls to warning.
14602         * gimple.c: Do not include errors.h. Include toplev.h.
14603         * tree-ssa-structalias.c: Do not include errors.h.
14604         * omega.c: Likewise.
14605         * tree-ssa-reassoc.c: Likewise.
14606         * config/spu/spu-c.c: Likewise.
14607         * config/spu/t-spu-elf: Update dependencies.
14608
14609 2009-04-22  Richard Guenther  <rguenther@suse.de>
14610
14611         PR tree-optimization/39824
14612         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
14613         make sure the types are compatible.
14614
14615 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
14616
14617         PR c++/14875
14618         * c-common.c (c_parse_error): Take a token_flags parameter.
14619         Use token_type for the token type instead.
14620         Pass token_flags to cpp_type2name.
14621         * c-common.h (c_parse_error): Update declaration.
14622         * c-parser.c (c_parser_error): Pass 0 as token flags.
14623
14624 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
14625
14626         PR rtl-optimization/39580
14627         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert.
14628
14629 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
14630
14631         * function.c (expand_function_end): Do not emit a jump to the "naked"
14632         return label for fall-through returns.
14633         * except.c (sjlj_emit_function_exit): Always place the call to the
14634         unregister function at the location installed by expand_function_end.
14635
14636 2009-04-22  Richard Guenther  <rguenther@suse.de>
14637
14638         PR tree-optimization/39845
14639         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
14640         (gen_inbound_check): Likewise.
14641
14642 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
14643
14644         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
14645         padding for PPC.
14646         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
14647         * config/vxlib.c (__gthread_once): Add race guard for PPC.
14648
14649 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
14650
14651         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
14652         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
14653         shift counts to avoid out-of-bounds array accesses.
14654
14655 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
14656
14657         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
14658         (Pmode): Move above.
14659
14660 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
14661
14662         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
14663         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
14664         GET_CODE macro.  Use IN_RANGE macro where appropriate.
14665         * config/alpha/alpha.h: Ditto.
14666         * config/alpha/alpha.md: Ditto.
14667         * config/alpha/constraints.md: Ditto.
14668         * config/alpha/predicates.md: Ditto.
14669
14670 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
14671
14672         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
14673         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14674         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14675         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14676         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14677         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14678         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14679         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14680         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14681         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14682         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14683         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14684         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14685         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14686         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14687         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14688         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14689         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14690         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14691         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14692         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14693         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14694         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14695         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14696         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14697         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14698         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
14699
14700 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
14701
14702         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
14703         references from comments.
14704         * cfgbuild.c: (count_basic_blocks): Delete.
14705         (find_basic_blocks_1): Delete.
14706         (find_basic_blocks): Delete.
14707         * except.c (finish_eh_generation): Make static.  Move comment from
14708         except.h here.  Remove find_basic_blocks references from comments.
14709         * except.h (finish_eh_generation): Delete.
14710         * basic-block.h (find_basic_blocks): Delete.
14711         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
14712
14713 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
14714
14715         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
14716         (sdbout_parms):  Likewise.
14717
14718 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
14719
14720         * config/sh/sh.c (prepare_cbranch_operands): Use
14721         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
14722         (expand_cbranchdi4): Likewise.
14723         (from_compare): Add cast to enum type.
14724         (expand_cbranchsi4): Use add_reg_note.
14725         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
14726         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
14727         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
14728         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
14729         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
14730         instead of CODE_FOR_nothing.
14731         (cbranchdi4): Likewise.  Fix the order of arguments for
14732         gen_rtx_fmt_ee.
14733         (push_fpscr): Use add_reg_note.
14734         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
14735         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
14736
14737 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
14738
14739         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
14740         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
14741         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
14742         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
14743         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
14744         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
14745         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
14746         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
14747         config/alpha/x-vms, config/arc/t-arc,
14748         config/arm/README-interworking, config/arm/arm-c.c,
14749         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
14750         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
14751         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
14752         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
14753         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
14754         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
14755         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
14756         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
14757         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
14758         config/cris/t-elfmulti, config/crx/t-crx,
14759         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
14760         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
14761         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
14762         config/h8300/t-h8300, config/i386/athlon.md,
14763         config/i386/darwin-libgcc.10.4.ver,
14764         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
14765         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
14766         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
14767         config/i386/t-linux64, config/i386/t-nwld,
14768         config/i386/t-rtems-i386, config/i386/t-sol2-10,
14769         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
14770         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
14771         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
14772         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
14773         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
14774         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
14775         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
14776         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
14777         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
14778         config/m68k/t-uclinux, config/mcore/t-mcore,
14779         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
14780         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
14781         config/mips/crtn.asm, config/mips/irix-crti.asm,
14782         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
14783         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
14784         config/mips/mips-fixed.md, config/mips/sb1.md,
14785         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
14786         config/mips/t-iris6, config/mips/t-isa3264,
14787         config/mips/t-libgcc-mips16, config/mips/t-linux64,
14788         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
14789         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
14790         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
14791         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
14792         config/mn10300/t-linux, config/mn10300/t-mn10300,
14793         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
14794         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
14795         config/picochip/libgccExtras/clzsi2.asm,
14796         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
14797         config/rs6000/darwin-libgcc.10.4.ver,
14798         config/rs6000/darwin-libgcc.10.5.ver,
14799         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
14800         config/rs6000/t-aix43, config/rs6000/t-aix52,
14801         config/rs6000/t-darwin, config/rs6000/t-fprules,
14802         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
14803         config/rs6000/t-lynx, config/rs6000/t-netbsd,
14804         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
14805         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
14806         config/rs6000/t-rtems, config/rs6000/t-spe,
14807         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
14808         config/score/t-score-elf, config/sh/divcost-analysis,
14809         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
14810         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
14811         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
14812         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
14813         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
14814         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
14815         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
14816         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
14817         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
14818         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
14819         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
14820         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
14821         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
14822         limitx.h, version.c, xcoff.h: Add copyright and license notices.
14823         * config/h8300/genmova.sh: Include copyright and license notices
14824         in generated output.
14825         * config/h8300/mova.md: Regenerate.
14826         * doc/install.texi2html: Include word "Copyright" in copyright
14827         notice and use name "Free Software Foundation, Inc.".
14828         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
14829         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
14830         ChangeLog-2007, ChangeLog-2008: Correct dates.
14831
14832 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
14833
14834         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
14835         NE_EXPR operations as well.
14836         * c-parser.c (c_parser_condition): Do not set location information on
14837         the condition.
14838         (c_parser_conditional_expression): Likewise.
14839         (c_parser_binary_expression): Set location information on operators.
14840         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
14841         TRUTH_NOT_EXPR has been folded.
14842         * fold-const.c (fold_truth_not_expr): Copy location information from
14843         the incoming expression to the outgoing one.
14844         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
14845         recursive calls on the LHS of the operator but pass that of the
14846         operator to recursive calls on the RHS of the operator.  Set it
14847         on the COND_EXPR.
14848         (shortcut_cond_expr): Set the locus of the operator on the second
14849         COND_EXPR and that of the expression on the first in degenerate cases.
14850         Pass the locus of the expression to calls to shortcut_cond_r.
14851         Set the locus of the 'then' block on the associated jump, if any.
14852         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
14853         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
14854         expression to call to gimplify_boolean_expr.
14855
14856 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
14857
14858         * config.gcc: Add additional configuration for
14859         i686-w64-mingw* and x86_64-w64-mingw* triplet.
14860         * config/i386/mingw-w64.h: New mingw-w64 specific header.
14861         (CPP_SPEC): Redefine for allowing -municode option.
14862         (STARTFILE_SPEC): Likewise.
14863         * config/i386/t-mingw-w64: New.
14864         * config/i386/mingw-w64.opt: New.
14865         (municode): Add new target option.
14866         * doc/invoke.texi (municode): Add documentation for new option.
14867
14868 2009-04-21  Ian Lance Taylor  <iant@google.com>
14869
14870         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
14871         Correct test for number of arguments.
14872         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
14873
14874 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
14875
14876         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
14877         argument of emit_library_call.
14878
14879 2009-04-21  Richard Guenther  <rguenther@suse.de>
14880
14881         PR middle-end/39829
14882         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
14883         inside VIEW_CONVERT_EXPRs.
14884
14885 2009-04-21  Martin Jambor  <mjambor@suse.cz>
14886
14887         * tree-switch-conversion.c (build_constructors): Split a long line.
14888         (constructor_contains_same_values_p): New function.
14889         (build_one_array): Create assigns of constants if possible, do not
14890         call mark_sym_for_renaming, call update_stmt.
14891         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
14892         make_rename_temp.  Do not call mark_symbols_for_renaming, call
14893         update_stmt.
14894         (gen_def_assigns): Do not call mark_symbols_for_renaming or
14895         find_new_referenced_vars, call update_stmt.
14896         (gen_inbound_check): Use create_tmp_var and create ssa names manually
14897         instead of calling make_rename_temp.  Do not call
14898         find_new_referenced_vars or mark_symbols_for_renaming, call
14899         update_stmt.
14900
14901 2009-04-21  Richard Guenther  <rguenther@suse.de>
14902
14903         PR tree-optimization/39827
14904         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
14905         (tree_ssa_phiprop): Pass the correct array size.
14906
14907 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
14908
14909         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
14910
14911 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
14912
14913         PR 16202
14914         * c-typeck.c (lvalue_p): Move declaration ...
14915         * c-common.h (lvalue_p): ... to here.
14916         * c-common.c (candidate_equal_p): New.
14917         (add_tlist): Use it.
14918         (merge_tlist): Use it.
14919         (warn_for_collisions_1): Likewise.
14920         (warning_candidate_p): Accept more candidates.
14921         (verify_tree): A warning candidate can be an expression. Use
14922         candidate_equal_p.
14923
14924 2009-04-21  Ben Elliston  <bje@au.ibm.com>
14925
14926         PR target/5267
14927         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
14928         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
14929         options.  Remove -mcall-solaris documentation.
14930
14931 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
14932
14933         PR c++/13358
14934         * doc/invoke.texi (-Wlong-long): Update description.
14935         * c-lex (interpret_integer): Only warn if there was no previous
14936         overflow and -Wlong-long is enabled.
14937         * c-decl.c (declspecs_add_type): Drop redundant flags.
14938         * c.opt (Wlong-long): Init to -1.
14939         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
14940         and front-end warn_long_long. Wlong-long only depends on other
14941         flags if it is uninitialized.
14942         * c-parser.c (disable_extension_diagnostics): warn_long_long is
14943         the same for CPP and FE.
14944         (restore_extension_diagnostics): Likewise.
14945
14946 2009-04-20  Ian Lance Taylor  <iant@google.com>
14947
14948         Fix enum conversions which are invalid in C++:
14949         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
14950         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
14951         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
14952         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
14953         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
14954         (dbxout_parms): Likewise.
14955         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
14956         (df_clear_flags): Likewise.
14957         * df-problems.c (df_rd_bb_local_compute_process_def): Change
14958         top_flag parameter to int.
14959         (df_chain_create_bb_process_use): Likewise.
14960         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
14961         Remove cast.
14962         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
14963         (df_ref_create_structure, df_def_record_1): Likewise.
14964         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
14965         (df_notes_rescan): Change 0 to VOIDmode in function call.
14966         (df_get_call_refs, df_insn_refs_collect): Likewise.
14967         (df_bb_regs_collect): Likewise.
14968         (df_entry_block_defs_collect): Likewise.
14969         (df_exit_block_uses_collect): Likewise.
14970         * df.h: Update declarations.
14971         * double-int.c (double_int_divmod): Add cast to enum type.
14972         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
14973         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
14974         (based_loc_descr): Likewise.
14975         (loc_descriptor_from_tree_1): Change first_op and second_op to
14976         enum dwarf_location_atom.  Add cast to enum type.
14977         * expmed.c (init_expmed): Change 0 to SET in function call.
14978         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
14979         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
14980         (do_store_flag): Likewise.
14981         * fixed-value.h (struct fixed_value): Change mode to enum
14982         machine_mode.
14983         * function.c (assign_parms): Change 0 to VOIDmode in function call.
14984         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
14985         function call.
14986         (insert_insn_decl, insert_decl, insert_state): Likewise.
14987         (automata_list_finish): Likewise.
14988         * genrecog.c (process_define_predicate): Add cast to enum type.
14989         * gensupport.c (init_predicate_table): Add cast to enum type.
14990         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
14991         function call.
14992         (gimple_build_call_1, gimple_build_label): Likewise.
14993         (gimple_build_goto, gimple_build_asm_1): Likewise.
14994         (gimple_build_switch_1, gimple_build_cdt): Likewise.
14995         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
14996         (enum fallback): Rename from enum fallback_t.
14997         (fallback_t): Typedef as int.
14998         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
14999         GSI_SAME_STMT in function call.
15000         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
15001         enum type.
15002         (setup_reg_class_relations): Likewise.
15003         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
15004         (setup_prohibited_class_mode_regs): Add cast to enum type.
15005         (setup_prohibited_mode_move_regs): Likewise.
15006         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
15007         (record_address_regs): Change i to enum reg_class.
15008         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
15009         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
15010         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
15011         (GET_MODE_2XWIDER_MODE): Likewise.
15012         (GET_CLASS_NARROWEST_MODE): Likewise.
15013         * omp-low.c (expand_omp_for): Add cast to enum type.
15014         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
15015         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
15016         * postreload.c (reload_cse_simplify_operands): Change rclass local
15017         to enum reg_class.
15018         * predict.c (combine_predictions_for_insn): Change best_predictor
15019         and predictor to enum br_predictor.
15020         (combine_predictions_for_bb): Likewise.
15021         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
15022         use SET_PREDICT_EXPR_OUTCOME.
15023         * real.c (real_arithmetic): Change icode to code in function call.
15024         * reginfo.c (init_move_cost): Add casts to enum type.
15025         (init_reg_sets_1, init_fake_stack_mems): Likewise.
15026         * regmove.c (regclass_compatible_p): Change class0 and class1 to
15027         enum reg_class.
15028         * reload.c (find_valid_class): Add casts to enum type.
15029         (push_reload): Change 0 to NO_REGS in function call.
15030         (find_reloads): Change this_alternative to array of enum
15031         reg_class.  Remove some now-unnecessary casts.
15032         (make_memloc): Change 0 to VOIDmode in function call.
15033         * reload1.c (reload): Change 0 to VOIDmode in function call.
15034         (eliminate_regs_1, elimination_effects): Likewise.
15035         (eliminate_regs_in_insn): Likewise.
15036         (emit_input_reload_insns): Add cast to enum type.
15037         (delete_output_reload): Change 0 to VOIDmode in function call.
15038         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
15039         to enum type in function call.
15040         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
15041         (SET_PREDICT_EXPR_OUTCOME): Define.
15042         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
15043         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
15044         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
15045         (dump_function): Likewise.
15046         * tree-dump.h: Update declarations.
15047         * tree-pass.h: Update declarations.
15048         * varasm.c (assemble_integer): Change mclass to enum mode_class.
15049         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
15050         enum type.
15051         (arm_rtx_costs_1): Correct parenthesization.
15052         (arm_rtx_costs): Add casts to enum type.
15053         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
15054         (vfp_emit_fstmd): Use add_rg_note.
15055         (emit_multi_reg_push, emit_sfm): Likewise.
15056         (thumb_set_frame_pointer): Likewise.
15057         (arm_expand_prologue): Likewise.
15058         (arm_regno_class): Change return type to enum reg_class.
15059         (thumb1_expand_prologue): Use add_reg_note.
15060         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
15061         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
15062         in function call.
15063         * config/arm/gentune.sh: Add cast to enum type.
15064         * config/arm/arm-tune.md: Rebuild.
15065         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
15066         (ix86_split_fp_branch, predict_jump): Likewise.
15067         (ix86_expand_multi_arg_builtin): Change sub_code from enum
15068         insn_code to enum rtx_code.
15069         (ix86_builtin_vectorized_function): Add cast to enum type.
15070         * config/i386/i386.md (truncdfsf2): Change slot to enum
15071         ix86_stack_slot.
15072         (truncxf<mode>2, isinf<mode>2): Likewise.
15073         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
15074         enum type.
15075         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
15076         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
15077         (insert_bundle_state): Change 1 to INSERT in function call.
15078         (ia64_add_bundle_selector_before): Likewise.
15079         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
15080         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
15081         (restore_stack_nonlocal): Likewise.
15082         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
15083         function call.
15084         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
15085         function call.
15086         (mips_rtx_costs): Likewise.
15087         (mips_override_options): Add casts to enum type.
15088         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
15089         in function call.
15090         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
15091         (store_reg, set_reg_plus_d): Likewise.
15092         (hppa_expand_prologue, hppa_profile_hook): Likewise.
15093         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
15094         cast to enum type.
15095         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
15096         function call.
15097         (emit_unlikely_jump): Use add_reg_note.
15098         (rs6000_emit_allocate_stack): Likewise.
15099         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
15100         (output_toc): Change 1 to INSERT in function call.
15101         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
15102         (rs6000_initialize_trampoline): Likewise.
15103         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
15104         function call.
15105         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
15106         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
15107         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
15108         (save_gprs): Use add_reg_note.
15109         (s390_emit_prologue): Likewise.
15110         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
15111         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
15112         (sparc_fold_builtin): Add cast to enum type.
15113         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
15114         enum insn_code.
15115         (spu_expand_prologue): Use add_reg_note.
15116         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
15117
15118 2009-04-20  Ian Lance Taylor  <iant@google.com>
15119
15120         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
15121         (c_parser_postfix_expression_after_primary): Get VEC for list of
15122         arguments.  Get original types of arguments.  Call
15123         build_function_call_vec.
15124         (cached_expr_list_1, cached_expr_list_2): New static variables.
15125         (c_parser_expr_list): Change return type to VEC *.  Add
15126         p_orig_types parameter.  Change all callers.
15127         (c_parser_release_expr): New static function.
15128         (c_parser_vec_to_tree_list): New static function.
15129         * c-typeck.c (build_function_call): Rewrite to build a VEC and
15130         call build_function_call_vec.
15131         (build_function_call_vec): New function, based on old
15132         build_function_call.
15133         (convert_arguments): Remove nargs and argarray parameters.  Change
15134         values to a VEC.  Add origtypes parameter.
15135         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
15136         (convert_for_assignment): Add origtype parameter.  Change all
15137         callers.  If warn_cxx_compat, check for conversion to an enum
15138         type when calling a function.
15139         (store_init_value): Add origtype parameter.  Change all callers.
15140         (digest_init): Likewise.
15141         (struct init_node): Add origtype field.
15142         (add_pending_init): Add origtype parameter.  Change all callers.
15143         (output_init_element): Likewise.
15144         (output_pending_init_elements): Pass origtype from init_node to
15145         output_init_element.
15146         (process_init_element): Pass origtype from c_expr to
15147         output_init_element.
15148         (c_finish_return): Add origtype parameter.  Change all callers.
15149         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
15150         caller.
15151         (sync_resolve_params): Likewise.
15152         (sync_resolve_return): Change params to first_param.  Change caller.
15153         (resolve_overloaded_builtins): Change params to VEC *.  Change
15154         callers.  Save first parameter around call to build_function_call_vec.
15155         * c-decl.c (finish_decl): Add origtype parameter.  Change all
15156         callers.  Call build_function_call_vec rather than
15157         build_function_call for cleanup.
15158         * c-tree.h: Update declarations.
15159         * c-common.h: Update declarations.
15160         * stub-objc.c (objc_rewrite_function_call): Change parameter from
15161         params to first_param.
15162         * target.h (struct gcc_target): Change resolve_overloaded_builtin
15163         params parameter from tree to void *.
15164         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
15165         Change arglist parameter to have type void *, and to be a pointer
15166         to a VEC.
15167         * config/rs6000/rs6000-protos.h
15168         (altivec_resolve_overloaded_builtin): Update declaration.
15169         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
15170         fnargs parameter to have type void *, and to be a pointer to a
15171         VEC.  Call build_function_call_vec instead of
15172         build_function_call.
15173         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
15174
15175 2009-04-20  Joey Ye  <joey.ye@intel.com>
15176             Xuepeng Guo  <xuepeng.guo@intel.com>
15177             H.J. Lu  <hongjiu.lu@intel.com>
15178
15179         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
15180
15181         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
15182         (IX86_LEA_PRIORITY): Likewise.
15183         (distance_non_agu_define): New function.
15184         (distance_agu_use): Likewise.
15185         (ix86_lea_for_add_ok): Likewise.
15186         (ix86_dep_by_shift_count): Likewise.
15187
15188         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
15189         should split for LEA.
15190
15191         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
15192         function.
15193         (ix86_dep_by_shift_count): Likewise.
15194
15195 2009-04-20  Richard Guenther  <rguenther@suse.de>
15196
15197         * expr.c (handled_component_p): Move ...
15198         * tree.h (handled_component_p): ... here.
15199         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
15200         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
15201         and REALPART_EXPR to be in one group.
15202
15203 2009-04-20  Richard Guenther  <rguenther@suse.de>
15204
15205         * basic-block.h (get_all_dominated_blocks): Declare.
15206         * dominance.c (get_all_dominated_blocks): New function.
15207         * tree-cfg.c (get_all_dominated_blocks): Remove.
15208         (remove_edge_and_dominated_blocks): Adjust.
15209         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
15210         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
15211         instead of recursing.
15212
15213 2009-04-20  Doug Kwan  <dougkwan@google.com>
15214
15215         * cgraph.h (cgraph_node_ptr): New type for vector functions.
15216         (struct cgraph_node_set_def): New type.
15217         (cgraph_node_set) New type. Also declare vector functions.
15218         (struct cgraph_node_set_element_def): New type.
15219         (cgraph_node_set_element): Ditto.
15220         (cgraph_node_set_iterator): New iterator type.
15221         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
15222         cgraph_node_set_remove, dump_cgraph_node_set,
15223         debug_cgraph_node_set): New prototypes.
15224         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
15225         cgraph_node_set_size): New inlines.
15226         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
15227         including cgraph.h.
15228         (struct ipa_opt_pass): Add struct cgraph_node_set_def
15229         argument to function 'write_summary'.
15230         * ipa.c: Include ggc.h.
15231         (hash_cgraph_node_set_element,
15232         eq_cgraph_node_set_element, cgraph_node_set_new,
15233         cgraph_node_set_add, cgraph_node_set_remove,
15234         cgraph_node_set_find, dump_cgraph_node_set,
15235         debug_cgraph_node_set): New functions.
15236         * Makefile.in (ipa.o): Add dependency on GGC_H.
15237
15238 2009-04-20  Ira Rosen  <irar@il.ibm.com>
15239
15240         PR tree-optimization/39675
15241         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
15242         check of the return code of vect_schedule_slp. Check that
15243         stmt_vec_info still exists for the statement, before checking its
15244         vectorization type.
15245
15246 2009-04-20  Michael Matz  <matz@suse.de>
15247
15248         * Makefile.in (generated_files): Take out $(simple_generated_c).
15249
15250 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
15251
15252         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
15253         (UINTPTR_TYPE):  Likewise.
15254
15255 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
15256
15257         PR c/37481
15258         * c-typeck.c (digest_init): Check for initializing an array with a
15259         string literal.
15260
15261 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
15262
15263         PR c/19771
15264         * c-semantics.c (pop_stmt_list): Propagate
15265         STATEMENT_LIST_HAS_LABEL to parent statement list.
15266
15267 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
15268
15269         * config/mips/mips.h (mips_tune_attr): New macro.
15270         * config/mips/mips.md (cpu): Use it.
15271
15272 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
15273
15274         PR c/38243
15275         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
15276         declaring a tag.
15277
15278 2009-04-19  Diego Novillo  <dnovillo@google.com>
15279
15280         * toplev.c (compile_file): Move call to coverage_finish ...
15281         * cgraphunit.c (ipa_passes): ... here.
15282         Call cgraph_process_new_functions.
15283         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
15284         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
15285
15286 2009-04-19  Jan Hubicka  <jh@suse.cz>
15287
15288         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
15289         cfun.
15290         (dump_cgraph_node): Dump can throw external flag.
15291         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
15292
15293 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15294
15295         PR c/32061
15296         PR c++/36954
15297         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
15298         * common.opt (Wlogical-op): Move from here...
15299         * c.opt (Wlogical-op): ... to here.
15300         * c-typeck.c (parser_build_binary_op): Update call to
15301         warn_logical_operator.
15302         * c-opts.c (c_common_post_options): Enable warn_logical_op with
15303         extra_warnings.
15304         * c-common.c (warn_logical_op): Update.
15305         * c-common.h (warn_logical_op): Update declaration.
15306
15307 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
15308
15309         * tree.c (protected_set_expr_location): Fix formatting.
15310
15311 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
15312
15313         PR c/27676
15314         * c-typeck.c (readonly_warning): new.
15315         (build_unary_op, build_modify_expr): Use readonly_warning for
15316         storing into something readonly but not const-qualified.
15317
15318 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
15319
15320         PR c/22367
15321         * c-typeck.c (build_unary_op): Check for taking address of
15322         expression of type void.
15323
15324 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
15325
15326         PR c/35210
15327         * c-typeck.c (build_function_call): Check for calling a function
15328         with qualified void return types.  Call require_complete_type when
15329         generating a trap.
15330
15331 2009-04-18  Jan Hubicka  <jh@suse.cz>
15332
15333         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
15334         Set nothrow flag.
15335         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
15336         can_throw_external flag.
15337         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
15338         * ipa-pure-const.c (ignore_edge): New function.
15339         (propagate): Compute order for NOTHROW computation; set NOTHROWs
15340         only over can_throw_external edges.
15341         (local_pure_const): Add nothrow flag.
15342         * ipa-utils.c (searchc): Add ignore_edge callback.
15343         (ipa_utils_reduced_inorder): Add ignore_edge callback.
15344         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
15345         (set_nothrow_function_flags): Update cgraph.
15346         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
15347
15348 2009-04-18  Richard Guenther  <rguenther@suse.de>
15349
15350         PR middle-end/39804
15351         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
15352         (fold_stmt): ... this and ...
15353         (fold_stmt_inplace): ... this.
15354         (fold_stmt_1): Fold references in calls and asms.
15355         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
15356
15357 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
15358
15359         * tree-vrp.c (ssa_name_nonzero_p): Remove.
15360         * tree.h: Remove the prototype for ssa_name_nonzero_p.
15361
15362 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
15363
15364         * tree.c (function_args_count): Remove.
15365         * tree.h: Remove the prototype for function_args_count.
15366
15367 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
15368
15369         * tree-iterator.c (expr_only): Remove.
15370         * tree.h: Remove the prototype for expr_only.
15371
15372 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
15373
15374         * reginfo.c (cannot_change_mode_set_regs): Remove.
15375         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
15376
15377 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
15378
15379         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
15380         whether operands 0 and 1 overlaps.
15381
15382 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15383
15384         PR middle-end/36902
15385         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
15386         pointer. Use warning_at instead of warning.
15387         (search_for_addr_array): Likewise.
15388         (check_array_bounds): Likewise.
15389         (check_all_array_refs): Check that the incoming edge is not in the
15390         list of edges to be removed.
15391         (check_all_array_refs): Avoid the temporal pointer.
15392         (vrp_visit_cond_stmt): Fix typo.
15393         (simplify_switch_using_ranges): Handle the case where the switch
15394         index is an integer constant.
15395
15396 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
15397
15398         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
15399
15400 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
15401
15402         * doc/extend.texi, doc/invoke.texi: Fix typos.
15403
15404 2009-04-17  Cary Coutant  <ccoutant@google.com>
15405
15406         * tree-flow-inline.h (get_lineno): Fix inverted test.
15407
15408 2009-04-17  Diego Novillo  <dnovillo@google.com>
15409
15410         * tree-ssa-pre.c (create_expression_by_pieces): Remove
15411         assertion for AVAIL_OUT.
15412
15413 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
15414
15415         PR target/38627
15416         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
15417         * config/sh/linux-atomic.asm: Likewise.
15418
15419 2009-04-17  Diego Novillo  <dnovillo@google.com>
15420
15421         * except.c (debug_eh_tree): New.
15422         (struct eh_region, struct eh_status): Move ...
15423         * except.h: ... here.
15424         (add_type_for_runtime): Declare extern.
15425         (lookup_type_for_runtime): Likewise.
15426         (debug_eh_tree): Declare.
15427         * Makefile.in (GTFILES): List except.h before except.c
15428
15429 2009-04-17  Diego Novillo  <dnovillo@google.com>
15430
15431         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
15432         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
15433         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
15434         (find_vars_r): ... here.
15435         * tree-flow.h (find_referenced_vars_in): Declare.
15436         * tree-ssa-pre.c (create_expression_by_pieces): Assert
15437         that AVAIL_OUT exists for BLOCK.
15438         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
15439         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
15440         (tree-parloops.o): Likewise.
15441
15442 2009-04-17  Simon Baldwin  <simonb@google.com>
15443
15444         * toplev.c (default_tree_printer): Add handling for %E format.
15445
15446 2009-04-17  Diego Novillo  <dnovillo@google.com>
15447
15448         * tree-pretty-print.c (dump_generic_node): Add break after
15449         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
15450         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
15451         FUNCTION_TYPE together.  Call print_struct_decl when printing
15452         structures and TDF_SLIM is not given.
15453         (print_struct_decl): Fix logic for detecting recursion.
15454
15455 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
15456
15457         PR 31567
15458         * gcc.c (create_at_file): New.
15459         (compile_input_file_p): New.
15460         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
15461         * main.c (main): Update call to toplev_main.
15462         * toplev.c (toplev_main): Change signature. Call expandargv.
15463         * toplev.h (toplev_main): Change signature.
15464
15465 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
15466
15467         * dwarf2out.c (field_byte_offset): Use the type size as the field size
15468         if the latter is not constant.
15469
15470 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
15471
15472         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
15473
15474 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
15475
15476         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
15477         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
15478
15479 2009-04-17  Richard Guenther  <rguenther@suse.de>
15480
15481         * tree-ssa-structalias.c (get_constraint_for_component_ref):
15482         Handle component references view-converting an invariant address.
15483
15484 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
15485
15486         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
15487         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
15488         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
15489         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
15490         Use @deftypevr rather than @deftypevar.
15491
15492 2009-04-17  Richard Guenther  <rguenther@suse.de>
15493
15494         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
15495         (get_prop_source_stmt): Likewise.
15496         (can_propagate_from): Likewise.
15497
15498 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
15499
15500         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
15501         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
15502         (--with-multilib-list): Add default value.
15503         * configure: Regenerate.
15504         * Makefile.in (TM_ENDIAN_CONFIG): Define.
15505         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
15506         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
15507         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
15508         Don't add default cpu to multilib list unnecessarily, but do enable
15509         the relevant compiler option..
15510         Add support for --with-multilib-list=<blank> and
15511         --with-multilib-list=!<somelib> to supress unwanted multilibs.
15512         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
15513         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
15514         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
15515         TM_MULTILIB_CONFIG.
15516         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
15517         (MULTILIB_OSDIRNAMES): New variable.
15518         * config/sh/t-1e: Delete file.
15519         * config/sh/t-mlib-sh1: Delete file.
15520         * config/sh/t-mlib-sh2: Delete file.
15521         * config/sh/t-mlib-sh2a: Delete file.
15522         * config/sh/t-mlib-sh2a-nofpu: Delete file.
15523         * config/sh/t-mlib-sh2a-single: Delete file.
15524         * config/sh/t-mlib-sh2a-single-only: Delete file.
15525         * config/sh/t-mlib-sh2e: Delete file.
15526         * config/sh/t-mlib-sh3e: Delete file.
15527         * config/sh/t-mlib-sh4: Delete file.
15528         * config/sh/t-mlib-sh4-nofpu: Delete file.
15529         * config/sh/t-mlib-sh4-single: Delete file.
15530         * config/sh/t-mlib-sh4-single-only: Delete file.
15531         * config/sh/t-mlib-sh4a: Delete file.
15532         * config/sh/t-mlib-sh4a-nofpu: Delete file.
15533         * config/sh/t-mlib-sh4a-single: Delete file.
15534         * config/sh/t-mlib-sh4a-single-only: Delete file.
15535         * config/sh/t-mlib-sh4al: Delete file.
15536         * config/sh/t-mlib-sh5-32media: Delete file.
15537         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
15538         * config/sh/t-mlib-sh5-64media: Delete file.
15539         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
15540         * config/sh/t-mlib-sh5-compact: Delete file.
15541         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
15542         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
15543         * doc/install.texi (Options specification): Add
15544         --with-multilib-list and --with-endian.
15545
15546 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
15547
15548         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
15549         REVISION_c.
15550         (OBJS-common): Add plugin-version.o.
15551         (plugin-version.o): New.
15552         * gcc-plugin.h (plugin_gcc_version): New.
15553         (plugin_default_version_check): New.
15554         (plugin_init_func, plugin_init): Add version argument.
15555         * plugin-version.c: New.
15556         * plugin.c (str_plugin_gcc_version_name): New.
15557         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
15558         pass it to the init function.
15559         (plugin_default_version_check): New.
15560
15561 2009-04-17  Richard Guenther  <rguenther@suse.de>
15562
15563         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
15564         for decl-vs-decl disambiguation.
15565
15566 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
15567
15568         * config/s390/s390.h (s390_tune_attr): New macro definition.
15569         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
15570
15571 2009-04-17  Richard Guenther  <rguenther@suse.de>
15572
15573         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
15574         (fold_stmt_r): Likewise.
15575         (maybe_fold_reference): New function.
15576         (fold_gimple_assign): Handle cases fold_stmt_r did.
15577         (fold_stmt): Do not use fold_stmt_r.
15578         (fold_stmt_inplace): Likewise.
15579
15580 2009-04-17  Richard Guenther  <rguenther@suse.de>
15581
15582         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
15583         (record_equivalences_from_stmt): Remove useless checks and
15584         simplifications.
15585         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
15586         the type is already suitable.
15587
15588 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
15589
15590         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
15591
15592 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
15593
15594         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
15595         (CMPtype): Define as __gcc_CMPtype.
15596
15597 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
15598
15599         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
15600         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
15601
15602 2009-04-17  Richard Guenther  <rguenther@suse.de>
15603
15604         PR tree-optimization/39746
15605         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
15606         special-casing for builtins and static variable use/def.
15607         (call_may_clobber_ref_p_1): Likewise.
15608
15609 2009-04-16  Ian Lance Taylor  <iant@google.com>
15610
15611         * df.h: Include "timevar.h".
15612         (struct df_problem): Change tv_id field to timevar_id_t.
15613         * tree-pass.h: Include "timevar.h".
15614         (struct opt_pass): Change tv_id field to timevar_id_t.
15615         * timevar.h (timevar_id_t): Define TV_NONE.
15616         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
15617         TV_NONE rather than tv_id != 0.
15618         (execute_one_pass): Likewise.
15619         * Makefile.in (DF_H): Add $(TIMEVAR_H).
15620         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
15621         dependencies to $(TREE_PASS_H).
15622         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
15623         to TV_NONE.
15624         (pass_branch_target_load_optimize2): Likewise.
15625         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
15626         (pass_outof_cfg_layout_mode): Likewise.
15627         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
15628         (pass_rebuild_cgraph_edges): Likewise.
15629         (pass_remove_cgraph_callee_edges): Likewise.
15630         * df-core.c (pass_df_initialize_opt): Likewise.
15631         (pass_df_initialize_no_opt): Likewise.
15632         (pass_df_finish): Likewise.
15633         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
15634         * except.c (pass_set_nothrow_function_flags): Likewise.
15635         (pass_convert_to_eh_region_ranges): Likewise.
15636         * final.c (pass_compute_alignments): Likewise.
15637         * function.c (pass_instantiate_virtual_regs): Likewise.
15638         (pass_init_function): Likewise.
15639         (pass_leaf_regs): Likewise.
15640         (pass_match_asm_constraints): Likewise.
15641         * gimple-low.c (pass_lower_cf): Likewise.
15642         (pass_mark_used_blocks): Likewise.
15643         * init-regs.c (pass_initialize_regs): Likewise.
15644         * integrate.c (pass_initial_value_sets): Likewise.
15645         * ira.c (pass_ira): Likewise.
15646         * jump.c (pass_cleanup_barriers): Likewise.
15647         * omp-low.c (pass_expand_omp): Likewise.
15648         (pass_lower_omp): Likewise.
15649         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
15650         * recog.c (pass_split_all_insns): Likewise.
15651         (pass_split_after_reload): Likewise.
15652         (pass_split_before_regstack): Likewise.
15653         (pass_split_before_sched2): Likewise.
15654         (pass_split_for_shorten_branches): Likewise.
15655         * reginfo.c (pass_reginfo_init): Likewise.
15656         (pass_subregs_of_mode_init): Likewise.
15657         (pass_subregs_of_mode_finish): Likewise.
15658         * passes.c (pass_postreload): Likewise.
15659         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
15660         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
15661         (pass_warn_function_return): Likewise.
15662         (pass_warn_function_noreturn): Likewise.
15663         * tree-complex.c (pass_lower_complex): Likewise.
15664         (pass_lower_complex_O0): Likewise.
15665         * tree-if-conv.c (pass_if_conversion): Likewise.
15666         * tree-into-ssa.c (pass_build_ssa): Likewise.
15667         * tree-mudflap.c (pass_mudflap_1): Likewise.
15668         (pass_mudflap_2): Likewise.
15669         * tree-nomudflap.c (pass_mudflap_1): Likewise.
15670         (pass_mudflap_2): Likewise.
15671         * tree-nrv.c (pass_return_slot): Likewise.
15672         * tree-object-size.c (pass_object_sizes): Likewise.
15673         * tree-optimize.c (pass_all_optimizations): Likewise.
15674         (pass_early_local_passes): Likewise.
15675         (pass_all_early_optimizations): Likewise.
15676         (pass_cleanup_cfg): Likewise.
15677         (pass_cleanup_cfg_post_optimizing): Likewise.
15678         (pass_free_datastructures): Likewise.
15679         (pass_free_cfg_annotations): Likewise.
15680         (pass_fixup_cfg): Likewise.
15681         (pass_init_datastructures): Likewise.
15682         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
15683         (pass_late_warn_uninitialized): Likewise.
15684         (pass_update_address_taken): Likewise.
15685         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
15686         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
15687         (pass_cse_sincos): Likewise.
15688         (pass_convert_to_rsqrt): Likewise.
15689         * tree-ssa-structalias.c (pass_build_alias): Likewise.
15690         * tree-stdarg.c (pass_stdarg): Likewise.
15691         * tree-tailcall.c (pass_tail_recursion): Likewise.
15692         (pass_tail_calls): Likewise.
15693         * tree-vect-generic.c (pass_lower_vector): Likewise.
15694         (pass_lower_vector_ssa): Likewise.
15695         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
15696
15697 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
15698
15699         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
15700         XLR entry.
15701         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
15702         Handle -march=xlr.
15703         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
15704         logical and signext.
15705
15706 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
15707
15708         PR target/39767
15709         * config/sh/predicates.md (arith_operand): Check if the operand
15710         of TRUNCATE is a REG.
15711
15712 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
15713
15714         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
15715         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
15716
15717 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
15718
15719         * tree-iterator.c (tsi_split_statement_list_after,
15720         tsi_split_statement_list_before): Remove.
15721         * tree-iterator.h: Remove the prototypes for
15722         tsi_split_statement_list_after and tsi_split_statement_list_before.
15723
15724 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
15725
15726         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
15727         * tree-ssa-propagate.h: Remove the prototype for
15728         stmt_makes_single_load.
15729
15730 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
15731
15732         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
15733         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
15734
15735 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
15736
15737         * tree-iterator.c (EXPR_LAST_BODY): Remove.
15738
15739 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
15740
15741         * except.c (eh_region_outer_p): Remove.
15742         * except.h: Remove the prototype for eh_region_outer_p.
15743
15744 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
15745
15746         * function.c (current_function_assembler_name): Remove.
15747         * function.h: Remove the prototype for
15748         current_function_assembler_name.
15749
15750 2009-04-16  Ian Lance Taylor  <iant@google.com>
15751
15752         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
15753         (add_reg_note): Call alloc_reg_note.
15754         * rtl.h (alloc_reg_note): Declare.
15755         * combine.c (try_combine): Use alloc_reg_note.
15756         (recog_for_combine, move_deaths): Likewise.
15757         (distribute_notes): Use alloc_reg_note and add_reg_note.
15758         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
15759         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
15760         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
15761
15762 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
15763
15764         PR rtl-optimization/39762
15765         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
15766         ira_may_move_out_cost): Add comments about way of their usage.
15767         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
15768
15769         * ira-conflicts.c (process_regs_for_copy): Use function
15770         ira_get_register_move_cost instead of global
15771         ira_register_move_cost.
15772
15773         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
15774         color_pass, move_spill_restore, update_curr_costs): Ditto.
15775
15776         * ira-lives.c (process_single_reg_class_operands): Ditto.
15777
15778         * ira-emit.c (emit_move_list): Ditto.
15779
15780         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
15781         (record_reg_classes): Ditto.  Use functions
15782         ira_get_register_move_cost and ira_get_may_move_cost instead of
15783         global vars ira_register_move_cost, ira_may_move_out_cost and
15784         ira_may_move_in_cost.
15785         (record_address_regs): Don't call ira_init_register_move_cost.
15786         Use function ira_get_may_move_cost instead of global
15787         ira_may_move_in_cost.
15788         (process_bb_node_for_hard_reg_moves): Use function
15789         ira_get_register_move_cost instead of global ira_register_move_cost.
15790         (ira_costs): Don't call ira_init_register_move_cost.
15791
15792 2009-04-16  Richard Guenther  <rguenther@suse.de>
15793
15794         * tree-cfg.c (verify_gimple_assign_binary):
15795         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
15796         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
15797         (create_general_new_stmt): Note that this function is broken.
15798
15799 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
15800
15801         * common.opt (fhelp): Add Var(help_flag).
15802         * gcc-plugin.h (plugin_info): Add help.
15803         * plugin.c (plugin_name_args): Add help.
15804         (register_plugin_info): Set plugin->help.
15805         (print_help_one_plugin): New.
15806         (print_plugins_help): New.
15807         * plugin.h (print_plugins_help): New.
15808         * toplev.c (toplev_main): Call print_plugins_help if needed.
15809
15810 2009-04-16  Richard Guenther  <rguenther@suse.de>
15811
15812         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
15813         (gimple_ior_addresses_taken_1): New function.
15814         (gimple_ior_addresses_taken): Likewise.
15815         * gimple.h (struct gimple_statement_with_ops_base): Remove
15816         addresses_taken member.
15817         (gimple_ior_addresses_taken): Declare.
15818         (gimple_addresses_taken, gimple_addresses_taken_ptr,
15819         gimple_set_addresses_taken): Remove.
15820         * ipa-reference.c (mark_address): New function.
15821         (scan_stmt_for_static_refs): Use it for marking addresses taken.
15822         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
15823         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
15824         (gimple_add_to_addresses_taken): Remove.
15825         (get_tmr_operands): Call mark_address_taken.
15826         (get_asm_expr_operands): Likewise.
15827         (get_expr_operands): Likewise.
15828         (build_ssa_operands): Do not clear the addresses_taken bitmap.
15829         (free_stmt_operands): Do not free it.
15830         * tree-ssa.c (delete_tree_ssa): Likewise.
15831         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
15832
15833 2009-04-16  Richard Guenther  <rguenther@suse.de>
15834
15835         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
15836         (walk_stmt_load_store_ops): Likewise.
15837         * gimple.c (get_base_loadstore): New function.
15838         (walk_stmt_load_store_addr_ops): Likewise.
15839         (walk_stmt_load_store_ops): Likewise.
15840         * ipa-pure-const.c (check_op): Simplify.
15841         (check_load, check_store): New functions.
15842         (check_stmt): Use walk_stmt_load_store_ops.
15843         * ipa-reference.c (mark_load): Adjust signature.
15844         (mark_store): Likewise.
15845         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
15846
15847 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
15848
15849         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
15850         (plugin_info): New.
15851         * opts.c (common_handle_option): Don't call print_version.
15852         * plugin.c (plugin_name_args): Add version.
15853         (register_plugin_info): New.
15854         (register_callback): Handle PLUGIN_INFO.
15855         (try_init_one_plugin): New.
15856         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
15857         if failed to init.
15858         (finalize_one_plugin): New.
15859         (finalize_plugins): New.
15860         (print_one_plugin): New.
15861         (print_plugins_versions): New.
15862         * plugin.h (print_plugins_versions): New.
15863         (finalize_plugins): New.
15864         * toplev.c (compile_file): Don't call initialize_plugins.
15865         (print_version): Call print_plugins_versions.
15866         (toplev_main): Call initialize_plugins. Print version if needed.
15867         Call finalize_plugins.
15868
15869 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
15870
15871         * common.opt (fversion): New.
15872         * gcc.c (print_version): New.
15873         (process_command): Don't print the version. Just set print_version.
15874         (main): Print version. Call subprocesses if print_version and
15875         verbose_flag are set.
15876         * opts.c (common_handle_option): Handle OPT_fversion.
15877
15878 2009-04-16  Richard Guenther  <rguenther@suse.de>
15879             Ira Rosen  <irar@il.ibm.com>
15880
15881         PR tree-optimization/39698
15882         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
15883         type of the reduction variable.  Only generate the def if
15884         it is needed.
15885
15886         * omp-low.c (expand_omp_for_generic): When converting to a pointer
15887         make sure to first convert to an integer of the same precision.
15888         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
15889         the type of the evolution correctly in computing the new
15890         induction variable base.
15891
15892 2009-04-16  Richard Guenther  <rguenther@suse.de>
15893
15894         PR middle-end/39625
15895         * tree-cfg.c (make_blocks): Split statements with to-be
15896         abnormal SSA names on the lhs.
15897
15898 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
15899
15900         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
15901         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
15902         * c-typeck.c (really_start_incremental_init): Likewise.
15903         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
15904         (TARGET_INITIALIZER): Remove it.
15905         * target.h (struct target): Remove vector_opaque_p.
15906         * tree.c (build_opaque_vector_type): New.
15907         * tree.h (TYPE_VECTOR_OPAQUE): New.
15908         (build_opaque_vector_type): Declare.
15909         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
15910         * config/rs6000/rs6000.c (build_opaque_vector_type,
15911         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
15912         (rs6000_init_builtins): Use build_opaque_vector_type for
15913         opaque_V4SI_type_node.
15914
15915 2009-04-15  Catherine Moore  <clm@codesourcery.com>
15916
15917         * debug.h (set_name):  Declare.
15918         * dwarf2out.c (dwarf2out_set_name): Declare.
15919         (dwarf2_debug_hooks): Add set_name.
15920         (find_AT_string): New.
15921         (add_AT_string): Call find_AT_string.
15922         (dwarf2out_set_name): New.
15923         * cp/decl.c (grokdeclarator): Call set_name.
15924         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
15925         * debug.c (do_nothing_debug_hooks):  Likewise.
15926         * dbxout.c (dbx_debug_hooks): Likewise.
15927         * sdbout.c (sdb_debug_hooks): Likewise.
15928
15929 2009-04-15  Michael Eager  <eager@eagercon.com>
15930
15931         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
15932         reg for single-precision FPU.
15933         * config/rs6000/rs6000.md (movsi_internal1): Only for
15934         !TARGET_SINGLE_FPU.
15935         (movsi_internal1_single): New. Add pattern to move SI values to/from
15936         single-precision FP regs.
15937
15938 2009-04-15  Richard Guenther  <rguenther@suse.de>
15939
15940         * omp-low.c (lower_rec_input_clauses): Build correct address
15941         expressions.
15942         (expand_omp_for_generic): Fix multiplication type.
15943         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
15944         (generate_memset_zero): Fix types.
15945         * tree-profile.c (prepare_instrumented_value): Correctly
15946         widen a pointer.
15947
15948 2009-04-15  Ian Lance Taylor  <iant@google.com>
15949
15950         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
15951         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
15952         for -Wall and for -Wc++-compat.
15953         (c_common_post_options): For C++, set warn_enum_compare if not
15954         already set.
15955         * c-tree.h (struct c_expr): Add field original_type.
15956         (build_external_ref): Update declaration.
15957         * c-parser.c (c_parser_braced_init): Set original_type.
15958         (c_parser_initelt): Likewise.
15959         (c_parser_expr_no_commas): Likewise.
15960         (c_parser_conditional_expression): Likewise.
15961         (c_parser_cast_expression): Likewise.
15962         (c_parser_unary_expression): Likewise.  Pull setting of
15963         original_code to top of function.
15964         (c_parser_sizeof_expression): Set original_type.
15965         (c_parser_alignof_expression): Likewise.
15966         (c_parser_postfix_expression): Likewise.  Pull setting of
15967         original_code to top of function.
15968         (c_parser_postfix_expression_after_paren_type): Set original_type.
15969         (c_parser_postfix_expression_after_primary): Likewise.
15970         (c_parser_expression): Likewise.
15971         * c-typeck.c (build_external_ref): Add type parameter.  Change all
15972         callers.
15973         (c_expr_sizeof_expr): Set original_type field.
15974         (parser_build_unary_op): Likewise.
15975         (parser_build_binary_op): Likewise.  Optionally warn about
15976         comparisons of enums of different types.
15977         (digest_init): Set original_type field.
15978         (really_start_incremental_init): Likewise.
15979         (push_init_level, pop_init_level): Likewise.
15980         * doc/invoke.texi (Warning Options): -Wenum-compare now
15981         supported in C.
15982
15983 2009-04-15  Richard Guenther  <rguenther@suse.de>
15984
15985         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
15986         out a necessary conversion.
15987         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
15988         names we didn't value number.
15989         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
15990
15991 2009-04-15  Richard Guenther  <rguenther@suse.de>
15992
15993         PR tree-optimization/39764
15994         * tree-ssa-ccp.c (get_value): Canonicalize value with
15995         canonicalize_float_value.
15996
15997 2009-04-15  Jan Hubicka  <jh@suse.cz>
15998
15999         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
16000         Wrong version of patch.
16001
16002 2009-04-15  Jan Hubicka  <jh@suse.cz>
16003
16004         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
16005
16006 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
16007
16008         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
16009         our distinct integral and vector types.
16010
16011 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
16012
16013         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
16014         * init.c (build_vtbl_address): Remove call to assemble_external.
16015
16016 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
16017
16018         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
16019         output for other floating point modes.
16020
16021 2009-04-14  Diego Novillo  <dnovillo@google.com>
16022
16023         * diagnostic.c (diagnostic_report_diagnostic): Do not
16024         warn about loaded plugins for DK_ERROR and DK_WARNING.
16025         * c-decl.c (declspecs_add_type): Move call to
16026         invoke_plugin_callbacks ...
16027         * c-parser.c (c_parser_declspecs): ... here.
16028         * plugin.c (dump_active_plugins): Tidy output.
16029
16030 2009-04-14  Diego Novillo  <dnovillo@google.com>
16031             Le-Chun Wu  <lcwu@google.com>
16032
16033         * configure.ac: Add --enable-plugin support.
16034         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
16035         * Makefile.in (PLUGIN_H): Define.
16036         Export ENABLE_PLUGIN and GMPINC to site.exp.
16037         Add PLUGINLIBS to link command.
16038         Add/modify dependencies for plugin.o and files including plugin.h.
16039         (plugin.o): New.
16040         * config.in: Regenerate.
16041
16042         * opts.c (common_handle_option): Handle OPT_fplugin_ and
16043         OPT_fplugin_arg_.
16044
16045 2009-04-14  Le-Chun Wu  <lcwu@google.com>
16046
16047         * tree-pass.h (register_one_dump_file): Add a prototype for
16048         register_one_dump_file.
16049         * toplev.c (compile_file): Call initialize_plugins.
16050         (do_compile): Call invoke_plugin_callbacks.
16051         (toplev_main): Call invoke_plugin_callbacks.
16052         * common.opt: Add -fplugin= and -fplugin-arg-.
16053         * gcc-plugin.h: New public header file for plugins to include.
16054         * plugin.c: New source file.
16055         * plugin.h: New internal header file.
16056         * passes.c (register_one_dump_file): Make it external.
16057
16058         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
16059
16060 2009-04-14  Diego Novillo  <dnovillo@google.com>
16061
16062         * doc/plugins.texi: New.
16063         * doc/gccint.texi: Add reference to Plugins chapter.
16064         * doc/invoke.texi: Document -fplugin and -fplugin-arg
16065         * diagnostic.c (diagnostic_report_diagnostic): Warn about
16066         loaded plugins, if any.
16067         * timevar.def (TV_PLUGIN_INIT): Define.
16068         (TV_PLUGIN_RUN): Define.
16069         * plugin.c: Include timevar.h
16070         (plugins_active_p): New.
16071         (dump_active_plugins): New.
16072         (debug_active_plugins): New.
16073
16074 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
16075
16076         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
16077         library paths.
16078         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
16079
16080 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
16081
16082         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
16083         the same as a minus without a shift.
16084
16085 2009-04-14  Nick Clifton  <nickc@redhat.com>
16086
16087         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
16088         comparisons with small integers will always produce a short
16089         branch.
16090
16091 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
16092
16093         Merge:
16094         2008-12-19  Diego Novillo  <dnovillo@google.com>
16095
16096         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
16097
16098 2009-04-14  Richard Guenther  <rguenther@suse.de>
16099
16100         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
16101         verification.
16102         (verify_gimple_assign_binary): Likewise.  Handle shifts and
16103         rotates correctly.
16104         (verify_gimple_phi): Print the mismatched argument position.
16105         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
16106         Fix types.
16107         (vect_update_init_of_dr): Likewise.
16108         * matrix-reorg.c (transform_access_sites): Do what the
16109         comment suggests.
16110         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
16111
16112 2009-04-13  Michael Eager  <eager@eagercon.com>
16113
16114         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
16115         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
16116         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
16117         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
16118         remove duplicate config
16119
16120 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
16121
16122         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
16123         file_name:line_number type locator of the call site.
16124
16125 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
16126
16127         * genautomata.c: Put blank after comma.
16128         (automaton_decls): New.
16129         (struct unit_usage): Add comments to member next.
16130         (store_alt_unit_usage): Keep the list ordered.
16131         (unit_present_on_list_p, equal_alternatives_p): New.
16132         (check_regexp_units_distribution): Check units distribution
16133         correctness correctly.
16134         (main): Don't write automata if error is found.  Return correct
16135         exit code.
16136
16137         * config/m68k/cf.md (cfv4_ds): Remove.
16138         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
16139         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
16140
16141         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
16142         power4-load-ext, power4-store, power4-store-update,
16143         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
16144         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
16145         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
16146         power4-sqrt, power4-isync): Modify reservation to make correct
16147         unit distribution to automata.
16148
16149         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
16150         power5-store-update, power5-two, power5-three, power5-lmul,
16151         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
16152
16153 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
16154
16155         * except.c (pass_set_nothrow_function_flags): Set name and add
16156         TODO_dump_func.
16157         (set_nothrow_function_flags): Mention in the dump file when
16158         changing a function to nothrow.
16159
16160 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
16161
16162         PR/39066
16163         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
16164         instead of unsigned long.
16165
16166 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
16167
16168         * config/arm/arm.c (return_used_this_function): Remove.
16169         (arm_output_function_prologue): Remove use of
16170         return_used_this_function.
16171         (output_return_instruction): Replace use of
16172         return_used_this_function
16173         by cfun->machine->return_used_this_function.
16174         (arm_output_epilogue): Likewise.
16175         (arm_output_function_epilogue): Likewise.
16176         (thumb_unexpanded_epilogue): Likewise.
16177         * config/arm/arm.h (struct machine_function):
16178         New member return_used_this_function.
16179
16180 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
16181
16182         * doc/install.texi: Correct description of default directory for
16183         --with-gxx-include-dir.
16184
16185 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
16186
16187         * fold-const.c (build_range_check): Properly deal with enumeral and
16188         boolean base types.
16189
16190 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
16191
16192         * doc/invoke.texi (max_gcse_passes): Remove documentation.
16193         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
16194         * params.h (MAX_GCSE_PASSES): Remove.
16195         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
16196         in sequence.  Remove ability to run multiple passes.
16197         (bypass_jumps): Report run as third CPROP pass.
16198
16199 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
16200
16201         PR middle-end/39651
16202         * except.c (can_throw_external): Look at each insn in a SEQUENCE
16203         when deciding whether the whole SEQUENCE can throw.
16204
16205 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
16206
16207         PR target/39740
16208         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
16209         offseted label references.
16210
16211 2009-04-11  Jan Hubicka  <jh@suse.cz>
16212
16213         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
16214
16215 2009-04-11  Richard Guenther  <rguenther@suse.de>
16216
16217         PR middle-end/39732
16218         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
16219         return variables as TREE_ADDRESSABLE.
16220
16221 2009-04-11  Richard Guenther  <rguenther@suse.de>
16222
16223         PR tree-optimization/39713
16224         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
16225         reference trees have SSA_NAME operands.
16226
16227 2009-04-11  Richard Guenther  <rguenther@suse.de>
16228
16229         PR c/39712
16230         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
16231         address expressions.
16232
16233 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
16234
16235         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
16236         match changes in Cygwin 1.7
16237         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
16238         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
16239
16240 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
16241
16242         PR tree-optimization/39701
16243         * doc/invoke.texi (Optimization Options): Document change in
16244         meaning and initialization of -fdelete-null-pointer-checks.
16245
16246 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
16247
16248         PR middle-end/39701
16249         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
16250
16251         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
16252         here.
16253
16254         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
16255
16256 2009-04-10  Chao-ying Fu  <fu@mips.com>
16257
16258         * doc/tm.texi (Instruction Output): Document
16259         TARGET_ASM_FINAL_POSTSCAN_INSN.
16260         * target.h (final_postscan_insn): New field in asm_out.
16261         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
16262         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
16263         * final.c (final_scan_insn): Call
16264         targetm.asm_out.final_postscan_insn after outputting
16265         an asm macro and a normal instruction.
16266
16267         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
16268         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
16269         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
16270         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
16271         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
16272
16273 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
16274
16275         PR middle-end/39701
16276         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
16277         variables as non-NULL even with -fdelete-null-pointer-checks.
16278
16279 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
16280
16281         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
16282
16283 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
16284
16285         PR target/39678
16286         * config/i386/i386.c (classify_argument): Handle SCmode with
16287         (bit_offset % 64) != 0.
16288
16289 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
16290
16291         * doc/invoke.texi (Optimize Options): Add cross-reference to
16292         -Q --help=optimizers examples.
16293
16294 2009-04-10  Ben Elliston  <bje@au.ibm.com>
16295
16296         PR target/36800
16297         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
16298         regalign for the reg == fpr and TDmode case.
16299
16300 2009-04-09  David Ayers  <ayers@fsfe.org>
16301
16302         PR objc/29200
16303         * objc/objc-act.c (warn_with_method): Remove helper function.
16304         (check_duplicates): Call warning and inform directly.
16305         (really_start_method): Likewise.
16306
16307 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
16308
16309         * expmed.c (expand_divmod): Always use a comparison for a division
16310         by a large unsigned integer.
16311
16312         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
16313         for things others than variables or functions as nonzero.
16314
16315 2009-04-09  Nick Clifton  <nickc@redhat.com>
16316
16317         * unwind-compat.c: Change copyright header to refer to version
16318         3 of the GNU General Public License with version 3.1 of the
16319         GCC Runtime Library Exception and to point readers at the
16320         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
16321         * config/alpha/crtfastmath.c: Likewise.
16322         * config/alpha/linux-unwind.h: Likewise.
16323         * config/alpha/qrnnd.asm: Likewise.
16324         * config/alpha/vms-crt0-64.c: Likewise.
16325         * config/alpha/vms-crt0.c: Likewise.
16326         * config/alpha/vms-dwarf2.asm: Likewise.
16327         * config/alpha/vms-dwarf2eh.asm: Likewise.
16328         * config/alpha/vms-psxcrt0-64.c: Likewise.
16329         * config/alpha/vms-psxcrt0.c: Likewise.
16330         * config/alpha/vms_tramp.asm: Likewise.
16331         * config/arc/initfini.c: Likewise.
16332         * config/arc/lib1funcs.asm: Likewise.
16333         * config/arm/bpabi-v6m.S: Likewise.
16334         * config/arm/bpabi.S: Likewise.
16335         * config/arm/bpabi.c: Likewise.
16336         * config/arm/crti.asm: Likewise.
16337         * config/arm/crtn.asm: Likewise.
16338         * config/arm/ieee754-df.S: Likewise.
16339         * config/arm/ieee754-sf.S: Likewise.
16340         * config/arm/lib1funcs.asm: Likewise.
16341         * config/arm/libunwind.S: Likewise.
16342         * config/arm/linux-atomic.c: Likewise.
16343         * config/arm/mmintrin.h: Likewise.
16344         * config/arm/pr-support.c: Likewise.
16345         * config/arm/unaligned-funcs.c: Likewise.
16346         * config/arm/unwind-arm.c: Likewise.
16347         * config/arm/unwind-arm.h: Likewise.
16348         * config/avr/libgcc.S: Likewise.
16349         * config/bfin/crti.s: Likewise.
16350         * config/bfin/crtlibid.s: Likewise.
16351         * config/bfin/crtn.s: Likewise.
16352         * config/bfin/lib1funcs.asm: Likewise.
16353         * config/bfin/linux-unwind.h: Likewise.
16354         * config/cris/arit.c: Likewise.
16355         * config/cris/cris_abi_symbol.c: Likewise.
16356         * config/darwin-64.c: Likewise.
16357         * config/darwin-crt2.c: Likewise.
16358         * config/darwin-crt3.c: Likewise.
16359         * config/darwin.h: Likewise.
16360         * config/dbxelf.h: Likewise.
16361         * config/dfp-bit.c: Likewise.
16362         * config/dfp-bit.h: Likewise.
16363         * config/elfos.h: Likewise.
16364         * config/fixed-bit.c: Likewise.
16365         * config/fixed-bit.h: Likewise.
16366         * config/fp-bit.c: Likewise.
16367         * config/fp-bit.h: Likewise.
16368         * config/fr30/crti.asm: Likewise.
16369         * config/fr30/crtn.asm: Likewise.
16370         * config/fr30/lib1funcs.asm: Likewise.
16371         * config/freebsd-spec.h: Likewise.
16372         * config/frv/cmovd.c: Likewise.
16373         * config/frv/cmovh.c: Likewise.
16374         * config/frv/cmovw.c: Likewise.
16375         * config/frv/frvbegin.c: Likewise.
16376         * config/frv/frvend.c: Likewise.
16377         * config/frv/lib1funcs.asm: Likewise.
16378         * config/glibc-stdint.h: Likewise.
16379         * config/h8300/clzhi2.c: Likewise.
16380         * config/h8300/crti.asm: Likewise.
16381         * config/h8300/crtn.asm: Likewise.
16382         * config/h8300/ctzhi2.c: Likewise.
16383         * config/h8300/fixunssfsi.c: Likewise.
16384         * config/h8300/lib1funcs.asm: Likewise.
16385         * config/h8300/parityhi2.c: Likewise.
16386         * config/h8300/popcounthi2.c: Likewise.
16387         * config/i386/ammintrin.h: Likewise.
16388         * config/i386/att.h: Likewise.
16389         * config/i386/avxintrin.h: Likewise.
16390         * config/i386/biarch64.h: Likewise.
16391         * config/i386/bmmintrin.h: Likewise.
16392         * config/i386/cpuid.h: Likewise.
16393         * config/i386/cross-stdarg.h: Likewise.
16394         * config/i386/crtfastmath.c: Likewise.
16395         * config/i386/crtprec.c: Likewise.
16396         * config/i386/cygming-crtbegin.c: Likewise.
16397         * config/i386/cygming-crtend.c: Likewise.
16398         * config/i386/cygwin.asm: Likewise.
16399         * config/i386/emmintrin.h: Likewise.
16400         * config/i386/gmm_malloc.h: Likewise.
16401         * config/i386/gthr-win32.c: Likewise.
16402         * config/i386/i386.h: Likewise.
16403         * config/i386/immintrin.h: Likewise.
16404         * config/i386/linux-unwind.h: Likewise.
16405         * config/i386/linux64.h: Likewise.
16406         * config/i386/mm3dnow.h: Likewise.
16407         * config/i386/mmintrin-common.h: Likewise.
16408         * config/i386/mmintrin.h: Likewise.
16409         * config/i386/nmmintrin.h: Likewise.
16410         * config/i386/pmm_malloc.h: Likewise.
16411         * config/i386/pmmintrin.h: Likewise.
16412         * config/i386/smmintrin.h: Likewise.
16413         * config/i386/sol2-c1.asm: Likewise.
16414         * config/i386/sol2-ci.asm: Likewise.
16415         * config/i386/sol2-cn.asm: Likewise.
16416         * config/i386/sol2-gc1.asm: Likewise.
16417         * config/i386/tmmintrin.h: Likewise.
16418         * config/i386/unix.h: Likewise.
16419         * config/i386/w32-unwind.h: Likewise.
16420         * config/i386/wmmintrin.h: Likewise.
16421         * config/i386/x86-64.h: Likewise.
16422         * config/i386/x86intrin.h: Likewise.
16423         * config/i386/xmmintrin.h: Likewise.
16424         * config/ia64/crtbegin.asm: Likewise.
16425         * config/ia64/crtend.asm: Likewise.
16426         * config/ia64/crtfastmath.c: Likewise.
16427         * config/ia64/crti.asm: Likewise.
16428         * config/ia64/crtn.asm: Likewise.
16429         * config/ia64/fde-glibc.c: Likewise.
16430         * config/ia64/lib1funcs.asm: Likewise.
16431         * config/ia64/linux-unwind.h: Likewise.
16432         * config/ia64/quadlib.c: Likewise.
16433         * config/ia64/unwind-ia64.c: Likewise.
16434         * config/linux.h: Likewise.
16435         * config/m32c/m32c-lib1.S: Likewise.
16436         * config/m32c/m32c-lib2-trapv.c: Likewise.
16437         * config/m32c/m32c-lib2.c: Likewise.
16438         * config/m32r/initfini.c: Likewise.
16439         * config/m68hc11/larith.asm: Likewise.
16440         * config/m68hc11/m68hc11-crt0.S: Likewise.
16441         * config/m68k/cf.md: Likewise.
16442         * config/m68k/crti.s: Likewise.
16443         * config/m68k/crtn.s: Likewise.
16444         * config/m68k/lb1sf68.asm: Likewise.
16445         * config/m68k/linux-unwind.h: Likewise.
16446         * config/mcore/crti.asm: Likewise.
16447         * config/mcore/crtn.asm: Likewise.
16448         * config/mcore/lib1.asm: Likewise.
16449         * config/mips/linux-unwind.h: Likewise.
16450         * config/mips/loongson.h: Likewise.
16451         * config/mips/mips16.S: Likewise.
16452         * config/mmix/crti.asm: Likewise.
16453         * config/mmix/crtn.asm: Likewise.
16454         * config/pa/fptr.c: Likewise.
16455         * config/pa/hpux-unwind.h: Likewise.
16456         * config/pa/lib2funcs.asm: Likewise.
16457         * config/pa/linux-atomic.c: Likewise.
16458         * config/pa/linux-unwind.h: Likewise.
16459         * config/pa/milli64.S: Likewise.
16460         * config/pa/quadlib.c: Likewise.
16461         * config/pa/stublib.c: Likewise.
16462         * config/picochip/libgccExtras/adddi3.asm: Likewise.
16463         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
16464         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
16465         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
16466         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
16467         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
16468         * config/picochip/libgccExtras/divmod15.asm: Likewise.
16469         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
16470         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
16471         * config/picochip/libgccExtras/longjmp.asm: Likewise.
16472         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
16473         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
16474         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
16475         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
16476         * config/picochip/libgccExtras/setjmp.asm: Likewise.
16477         * config/picochip/libgccExtras/subdi3.asm: Likewise.
16478         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
16479         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
16480         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
16481         * config/rs6000/750cl.h: Likewise.
16482         * config/rs6000/altivec.h: Likewise.
16483         * config/rs6000/biarch64.h: Likewise.
16484         * config/rs6000/crtresfpr.asm: Likewise.
16485         * config/rs6000/crtresgpr.asm: Likewise.
16486         * config/rs6000/crtresxfpr.asm: Likewise.
16487         * config/rs6000/crtresxgpr.asm: Likewise.
16488         * config/rs6000/crtsavfpr.asm: Likewise.
16489         * config/rs6000/crtsavgpr.asm: Likewise.
16490         * config/rs6000/darwin-asm.h: Likewise.
16491         * config/rs6000/darwin-fallback.c: Likewise.
16492         * config/rs6000/darwin-fpsave.asm: Likewise.
16493         * config/rs6000/darwin-ldouble.c: Likewise.
16494         * config/rs6000/darwin-tramp.asm: Likewise.
16495         * config/rs6000/darwin-unwind.h: Likewise.
16496         * config/rs6000/darwin-vecsave.asm: Likewise.
16497         * config/rs6000/darwin-world.asm: Likewise.
16498         * config/rs6000/e500crtres32gpr.asm: Likewise.
16499         * config/rs6000/e500crtres64gpr.asm: Likewise.
16500         * config/rs6000/e500crtres64gprctr.asm: Likewise.
16501         * config/rs6000/e500crtrest32gpr.asm: Likewise.
16502         * config/rs6000/e500crtrest64gpr.asm: Likewise.
16503         * config/rs6000/e500crtresx32gpr.asm: Likewise.
16504         * config/rs6000/e500crtresx64gpr.asm: Likewise.
16505         * config/rs6000/e500crtsav32gpr.asm: Likewise.
16506         * config/rs6000/e500crtsav64gpr.asm: Likewise.
16507         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
16508         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
16509         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
16510         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
16511         * config/rs6000/eabi-ci.asm: Likewise.
16512         * config/rs6000/eabi-cn.asm: Likewise.
16513         * config/rs6000/eabi.asm: Likewise.
16514         * config/rs6000/linux-unwind.h: Likewise.
16515         * config/rs6000/linux64.h: Likewise.
16516         * config/rs6000/paired.h: Likewise.
16517         * config/rs6000/paired.md: Likewise.
16518         * config/rs6000/ppc64-fp.c: Likewise.
16519         * config/rs6000/ppu_intrinsics.h: Likewise.
16520         * config/rs6000/rs6000.h: Likewise.
16521         * config/rs6000/si2vmx.h: Likewise.
16522         * config/rs6000/sol-ci.asm: Likewise.
16523         * config/rs6000/sol-cn.asm: Likewise.
16524         * config/rs6000/spe.h: Likewise.
16525         * config/rs6000/spu2vmx.h: Likewise.
16526         * config/rs6000/sysv4.h: Likewise.
16527         * config/rs6000/tramp.asm: Likewise.
16528         * config/rs6000/vec_types.h: Likewise.
16529         * config/s390/linux-unwind.h: Likewise.
16530         * config/s390/tpf-unwind.h: Likewise.
16531         * config/score/crti.asm: Likewise.
16532         * config/score/crtn.asm: Likewise.
16533         * config/sh/crt1.asm: Likewise.
16534         * config/sh/crti.asm: Likewise.
16535         * config/sh/crtn.asm: Likewise.
16536         * config/sh/divtab-sh4-300.c: Likewise.
16537         * config/sh/divtab-sh4.c: Likewise.
16538         * config/sh/divtab.c: Likewise.
16539         * config/sh/lib1funcs-4-300.asm: Likewise.
16540         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
16541         * config/sh/lib1funcs.asm: Likewise.
16542         * config/sh/lib1funcs.h: Likewise.
16543         * config/sh/linux-atomic.asm: Likewise.
16544         * config/sh/linux-unwind.h: Likewise.
16545         * config/sh/shmedia.h: Likewise.
16546         * config/sh/sshmedia.h: Likewise.
16547         * config/sh/ushmedia.h: Likewise.
16548         * config/sparc/crtfastmath.c: Likewise.
16549         * config/sparc/linux-unwind.h: Likewise.
16550         * config/sparc/sol2-c1.asm: Likewise.
16551         * config/sparc/sol2-ci.asm: Likewise.
16552         * config/sparc/sol2-cn.asm: Likewise.
16553         * config/spu/divmodti4.c: Likewise.
16554         * config/spu/divv2df3.c: Likewise.
16555         * config/spu/float_disf.c: Likewise.
16556         * config/spu/float_unsdidf.c: Likewise.
16557         * config/spu/float_unsdisf.c: Likewise.
16558         * config/spu/float_unssidf.c: Likewise.
16559         * config/spu/mfc_multi_tag_release.c: Likewise.
16560         * config/spu/mfc_multi_tag_reserve.c: Likewise.
16561         * config/spu/mfc_tag_release.c: Likewise.
16562         * config/spu/mfc_tag_reserve.c: Likewise.
16563         * config/spu/mfc_tag_table.c: Likewise.
16564         * config/spu/multi3.c: Likewise.
16565         * config/spu/spu_internals.h: Likewise.
16566         * config/spu/spu_intrinsics.h: Likewise.
16567         * config/spu/spu_mfcio.h: Likewise.
16568         * config/spu/vec_types.h: Likewise.
16569         * config/spu/vmx2spu.h: Likewise.
16570         * config/stormy16/stormy16-lib2.c: Likewise.
16571         * config/svr4.h: Likewise.
16572         * config/sync.c: Likewise.
16573         * config/v850/lib1funcs.asm: Likewise.
16574         * config/vxlib-tls.c: Likewise.
16575         * config/vxlib.c: Likewise.
16576         * config/vxworks-dummy.h: Likewise.
16577         * config/xtensa/crti.asm: Likewise.
16578         * config/xtensa/crtn.asm: Likewise.
16579         * config/xtensa/ieee754-df.S: Likewise.
16580         * config/xtensa/ieee754-sf.S: Likewise.
16581         * config/xtensa/lib1funcs.asm: Likewise.
16582         * config/xtensa/lib2funcs.S: Likewise.
16583         * config/xtensa/linux-unwind.h: Likewise.
16584         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
16585         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
16586         * coretypes.h: Likewise.
16587         * crtstuff.c: Likewise.
16588         * defaults.h: Likewise.
16589         * dwarf2.h: Likewise.
16590         * emutls.c: Likewise.
16591         * gbl-ctors.h: Likewise.
16592         * gcov-io.h: Likewise.
16593         * ginclude/float.h: Likewise.
16594         * ginclude/iso646.h: Likewise.
16595         * ginclude/stdarg.h: Likewise.
16596         * ginclude/stdbool.h: Likewise.
16597         * ginclude/stddef.h: Likewise.
16598         * ginclude/stdfix.h: Likewise.
16599         * ginclude/stdint-gcc.h: Likewise.
16600         * ginclude/tgmath.h: Likewise.
16601         * gthr-aix.h: Likewise.
16602         * gthr-dce.h: Likewise.
16603         * gthr-gnat.c: Likewise.
16604         * gthr-gnat.h: Likewise.
16605         * gthr-lynx.h: Likewise.
16606         * gthr-mipssde.h: Likewise.
16607         * gthr-nks.h: Likewise.
16608         * gthr-posix.c: Likewise.
16609         * gthr-posix.h: Likewise.
16610         * gthr-posix95.h: Likewise.
16611         * gthr-rtems.h: Likewise.
16612         * gthr-single.h: Likewise.
16613         * gthr-solaris.h: Likewise.
16614         * gthr-tpf.h: Likewise.
16615         * gthr-vxworks.h: Likewise.
16616         * gthr-win32.h: Likewise.
16617         * gthr.h: Likewise.
16618         * libgcc2.c: Likewise.
16619         * libgcc2.h: Likewise.
16620         * libgcov.c: Likewise.
16621         * tsystem.h: Likewise.
16622         * typeclass.h: Likewise.
16623         * unwind-c.c: Likewise.
16624         * unwind-compat.h: Likewise.
16625         * unwind-dw2-fde-compat.c: Likewise.
16626         * unwind-dw2-fde-darwin.c: Likewise.
16627         * unwind-dw2-fde-glibc.c: Likewise.
16628         * unwind-dw2-fde.c: Likewise.
16629         * unwind-dw2-fde.h: Likewise.
16630         * unwind-dw2.c: Likewise.
16631         * unwind-dw2.h: Likewise.
16632         * unwind-generic.h: Likewise.
16633         * unwind-pe.h: Likewise.
16634         * unwind-sjlj.c: Likewise.
16635         * unwind.inc: Likewise.
16636         * config/arm/neon-gen.ml: Change generated copyright header to
16637         refer to version 3 of the GNU General Public License with
16638         version 3.1 of the GCC Runtime Library Exception and to point
16639         readers at the COPYING3 and COPYING3.RUNTIME files and the
16640         FSF's license web page.
16641         * config/arm/arm_neon.h: Regenerate.
16642
16643 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
16644
16645         * config/cris/cris.md: Change copyright header to refer to version
16646         3 of the GNU General Public License.
16647         * doc/install.texi2html: Change copyright header to refer to version
16648         3 of the GNU General Public License and to point readers at the
16649         COPYING3 file and the FSF's license web page.
16650         * config/vax/linux.h: Likewise.
16651
16652 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
16653
16654         * config/i386/i386.md (cmpcc): New.
16655         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
16656         (sync_compare_and_swap_cc*): Delete.
16657
16658         * config/s390/s390.c (s390_compare_emitted): Remove.
16659         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
16660         s390_compare_emitted used to be handled.  Assert that modes match.
16661         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
16662         refer to sync_compare_and_swap_ccsi.
16663         * config/s390/s390.h (s390_compare_emitted): Remove.
16664         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
16665         instead of s390_compare_emitted.
16666         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
16667         instead of s390_compare_emitted.
16668         * config/s390/s390.md (cmpcc): New.
16669         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
16670         CC_REGNUM, do not pretend it's set.
16671         (sync_compare_and_swap_cc*): Delete.
16672         * config/s390/predicates.md (cc_reg_operand): New.
16673
16674         * expr.c (sync_compare_and_swap_cc): Delete.
16675         * optabs.h (sync_compare_and_swap_cc): Delete.
16676         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
16677         is being used with can_compare_p.
16678         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
16679         (find_cc_set): New.
16680         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
16681         look for a MODE_CC set instead.  Use emit_store_flag.
16682         (expand_compare_and_swap_loop): Likewise, with some additional
16683         complication to avoid a force_reg when useless.  Use
16684         emit_cmp_and_jump_insns.
16685         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
16686         * doc/md.texi (sync_compare_and_swap_cc): Merge with
16687         sync_compare_and_swap documentation.
16688
16689 2009-04-09  Jan Hubicka  <jh@suse.cz>
16690
16691         * except.c (find_prev_try): Break out from ....
16692         (duplicate_eh_regions): ... here; properly update prev_try pointers
16693         when duplication part of tree.
16694         (dump_eh_tree): Improve dumping.
16695         (verify_eh_region): New.
16696         (verify_eh_tree): Use it.
16697
16698 2009-04-06  Richard Guenther  <rguenther@suse.de>
16699
16700         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
16701         &ARRAY addresses by adjusting their types and prepending
16702         a conversion.
16703         * tree-cfg.c (verify_gimple_assign_single): Verify that
16704         addresses are correct.
16705
16706 2009-04-09  Richard Guenther  <rguenther@suse.de>
16707
16708         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
16709         indices into an array reference if possible.
16710         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
16711         Fold POINTER_PLUS_EXPR statements with invariant address.
16712
16713 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
16714
16715         PR target/39634
16716         * config.gcc (powerpc64-*-linux*): Always build biarch.
16717
16718 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
16719
16720         PR c/39613
16721         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
16722         it and pedwarn if this results in an INTEGER_CST.
16723
16724 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16725
16726         * doc/install.texi: Update minimum GMP version.  Remove obsolete
16727         text in MPFR section.
16728
16729 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
16730
16731         * dwarf2out.c (class_scope_p): New static inline.
16732         (class_or_namespace_scope_p): Use it.
16733         (gen_variable_die): Use DW_TAG_member tag for static data member
16734         declarations instead of DW_TAG_variable.
16735
16736         PR middle-end/39573
16737         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
16738         variables.
16739
16740 2009-04-08  Richard Guenther  <rguenther@suse.de>
16741
16742         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
16743         valueize random data.
16744
16745 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
16746
16747         * config.gcc (aix tm_file):  Add aix-stdint.h.
16748         (aix tm clause use_gcc_stdint):  Set to wrap.
16749         * config/rs6000/aix-stdint.h:  New file.
16750
16751 2009-04-08  Richard Guenther  <rguenther@suse.de>
16752
16753         PR middle-end/36291
16754         * tree-dfa.c (add_referenced_var): Do not recurse into
16755         global initializers.
16756         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
16757         exposed variables.
16758         (fold_const_aggregate_ref): Likewise.
16759
16760 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
16761
16762         * recog.c (ordered_comparison_operator): New.
16763         * gensupport.c (std_preds): Add it.
16764         * doc/md.texi (Machine-Independent Predicates): Document it.
16765
16766 2009-04-08  Jan Hubicka  <jh@suse.cz>
16767
16768         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
16769         * function.h (rtl_eh): Remove exception_handler_label_map.
16770         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
16771         remove_exception_handler_label, for_each_eh_label_1): Remove.
16772         (rtl_remove_unreachable_regions): Remove.
16773         (convert_from_eh_region_ranges): Do not remove unreachable regions.
16774         (find_exception_handler_labels): Don't build the hashtable.
16775         (maybe_remove_eh_handler): Remove.
16776         (for_each_eh_label): Rewrite to walk the tree.
16777         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
16778         * except.h (maybe_remove_eh_handler): Remove.
16779         * passes.c (init_optimization_passes): Schedule second EH cleanup
16780         before out-of-ssa.
16781         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
16782         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
16783
16784 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
16785
16786         * genoutput.c (validate_optab_operands): New.
16787         (gen_insn, gen_expand): Call it.
16788
16789         * genflags.c (gen_insn): Detect misused iterators.
16790         (main): Pass line_no to gen_insn, exit with status 1 on error.
16791
16792         * genextract.c (line_no): Make global.
16793         (VEC_safe_set_locstr): Change assertion to error message.
16794         (main): Exit with status 1 on error.
16795
16796 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
16797
16798         PR c/39614
16799         PR c/39673
16800         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
16801         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
16802         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
16803         * c-convert.c (convert): Do not call fold on results of conversion
16804         functions when the result is a C_MAYBE_CONST_EXPR.
16805         * c-parser.c (c_parser_postfix_expression): Do not fold condition
16806         of __builtin_choose_expr.
16807         * c-typeck.c (remove_c_maybe_const_expr): New.
16808         (build_unary_op, build_conditional_expr, build_compound_expr,
16809         build_binary_op, c_objc_common_truthvalue_conversion): Call
16810         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
16811         integer operands.
16812
16813 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
16814
16815         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
16816         CODE to produce a new one. Add a prototype to use fold_convert_const
16817
16818 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
16819
16820         PR bootstrap/39660
16821         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
16822         mix declarations and code.
16823
16824 2009-04-08  Ben Elliston  <bje@au.ibm.com>
16825
16826         * gcc.c: Replace `CC' with `GCC' throughout.
16827
16828 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
16829
16830         * doc/invoke.texi: Document Atom support.
16831
16832 2009-04-07  Jason Merrill  <jason@redhat.com>
16833
16834         PR c++/25185
16835         * c-common.h, c-common.c: Add flag_pretty_templates.
16836         * c-opts.c (c_common_handle_option): Set it.
16837         * c.opt: Add -fno-pretty-templates.
16838         * doc/invoke.texi (C++ Dialect Options): Likewise.
16839
16840 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
16841
16842         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
16843         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
16844         (ia64_expand_builtin): Likewise.
16845
16846 2009-04-07  Martin Jambor  <mjambor@suse.cz>
16847
16848         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
16849         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
16850         ADDR_EXPRS are include too.
16851
16852 2009-04-07  Richard Guenther  <rguenther@suse.de>
16853
16854         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
16855         decls are only used if passes as parameters or if they are
16856         local statics and the call is not to a builtin.
16857         (call_may_clobber_ref_p_1): Likewise.
16858
16859 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
16860
16861         * expr.c (do_store_flag): Remove last argument.  Simplify code
16862         to avoid duplication of tests already done by can_compare_p.
16863         (expand_expr_real_1): Adjust caller.
16864
16865 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
16866
16867         * optabs.c (can_compare_p): Test the predicate of a
16868         cbranch and cstore pattern.
16869
16870 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
16871
16872         * expr.c (convert_move): Use emit_store_flag instead of
16873         "emulating" it.
16874
16875 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
16876
16877         * config/i386/i386.c (ix86_compare_emitted): Remove.
16878         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
16879         ix86_compare_op0 like ix86_compare_emitted used to be handled.
16880         * config/i386/i386.h (ix86_compare_emitted): Remove.
16881         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
16882         instead of ix86_compare_emitted.
16883         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
16884
16885 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
16886
16887         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
16888         Add t-sysroot-suffix to tmake_file.
16889         * config/print-sysroot-suffix.sh: New file.
16890         * config/t-sysroot-suffix: New file.
16891
16892 2009-04-07  Ben Elliston  <bje@au.ibm.com>
16893
16894         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
16895         as the latter produces a warning when the target does not support
16896         infinity.
16897
16898 2009-04-07  Ben Elliston  <bje@au.ibm.com>
16899
16900         * dfp.c: Replace type punning assignments with memcpy throughout.
16901         * Makefile.in (dfp.o-warn): Remove.
16902
16903 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
16904
16905         PR target/39634
16906         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
16907         Include soft-fp/t-softfp after rs6000/t-linux64.
16908
16909 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
16910
16911         * stor-layout.c (set_sizetype): Use the full precision of their
16912         machine mode for bitsize types.
16913
16914 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
16915
16916         * config/i386/i386.md: Revert 2 accidental checkins.
16917
16918 2009-04-06  Joey Ye  <joey.ye@intel.com>
16919             Xuepeng Guo  <xuepeng.guo@intel.com>
16920             H.J. Lu  <hongjiu.lu@intel.com>
16921
16922         Atom pipeline model, tuning and insn selection.
16923         * config.gcc (atom): Add atom config options and target.
16924
16925         * config/i386/atom.md: New.
16926
16927         * config/i386/i386.c (atom_cost): New cost.
16928         (m_ATOM): New macro flag.
16929         (initial_ix86_tune_features): Set m_ATOM.
16930         (x86_accumulate_outgoing_args): Likewise.
16931         (x86_arch_always_fancy_math_387): Likewise.
16932         (processor_target): Add Atom cost.
16933         (cpu_names): Add Atom cpu name.
16934         (override_options): Set Atom ISA.
16935         (ix86_issue_rate): New case PROCESSOR_ATOM.
16936         (ix86_adjust_cost): Likewise.
16937
16938         * config/i386/i386.h (TARGET_ATOM): New target macro.
16939         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
16940         (TARGET_OPT_AGU): New target option.
16941         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
16942         (processor_type): Add PROCESSOR_ATOM.
16943
16944         * config/i386/i386.md (cpu): Add new value "atom".
16945         (use_carry, movu): New attr.
16946         (atom.md): Include atom.md.
16947         (adddi3_carry_rex64): Set attr "use_carry".
16948         (addqi3_carry): Likewise.
16949         (addhi3_carry): Likewise.
16950         (addsi3_carry): Likewise.
16951         (*addsi3_carry_zext): Likewise.
16952         (subdi3_carry_rex64): Likewise.
16953         (subqi3_carry): Likewise.
16954         (subhi3_carry): Likewise.
16955         (subsi3_carry): Likewise.
16956         (x86_movdicc_0_m1_rex64): Likewise.
16957         (*x86_movdicc_0_m1_se): Likewise.
16958         (x86_movsicc_0_m1): Likewise.
16959         (*x86_movsicc_0_m1_se): Likewise.
16960         (*adddi_1_rex64): Emit add insn as much as possible.
16961         (*addsi_1): Likewise.
16962         (return_internal): Set atom_unit.
16963         (return_internal_long): Likewise.
16964         (return_pop_internal): Likewise.
16965         (*rcpsf2_sse): Set atom_sse_attr attr.
16966         (*qrt<mode>2_sse): Likewise.
16967         (*prefetch_sse): Likewise.
16968
16969         * config/i386/i386-c.c (ix86_target_macros_internal): New case
16970         PROCESSOR_ATOM.
16971         (ix86_target_macros_internal): Likewise.
16972
16973         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
16974         (*prefetch_sse_rex): Likewise.
16975         (sse_rcpv4sf2): Likewise.
16976         (sse_vmrcpv4sf2): Likewise.
16977         (sse_sqrtv4sf2): Likewise.
16978         (<sse>_vmsqrt<mode>2): Likewise.
16979         (sse_ldmxcsr): Likewise.
16980         (sse_stmxcsr): Likewise.
16981         (*sse_sfence): Likewise.
16982         (sse2_clflush): Likewise.
16983         (*sse2_mfence): Likewise.
16984         (*sse2_lfence): Likewise.
16985         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
16986         (<sse>_movup<ssemodesuffixf2c>): Likewise.
16987         (avx_movdqu<avxmodesuffix>): Likewise.
16988         (avx_lddqu<avxmodesuffix>): Likewise.
16989         (sse2_movntv2di): Change attr "type" to "ssemov".
16990         (sse2_movntsi): Likewise.
16991         (rsqrtv8sf2): Change attr "type" to "sseadd".
16992         (sse3_addsubv2df3): Set attr "atom_unit".
16993         (sse3_h<plusminus_insn>v4sf3): Likewise.
16994         (*sse2_pmaddwd): Likewise.
16995         (*vec_extractv2di_1_rex64): Likewise.
16996         (*vec_extractv2di_1_avx): Likewise.
16997         (sse2_psadbw): Likewise.
16998         (ssse3_phaddwv8hi3): Likewise.
16999         (ssse3_phaddwv4hi3): Likewise.
17000         (ssse3_phadddv4si3): Likewise.
17001         (ssse3_phadddv2si3): Likewise.
17002         (ssse3_phaddswv8hi3): Likewise.
17003         (ssse3_phaddswv4hi3): Likewise.
17004         (ssse3_phsubwv8hi3): Likewise.
17005         (ssse3_phsubwv4hi3): Likewise.
17006         (ssse3_phsubdv4si3): Likewise.
17007         (ssse3_phsubdv2si3): Likewise.
17008         (ssse3_phsubswv8hi3): Likewise.
17009         (ssse3_phsubswv4hi3): Likewise.
17010         (ssse3_pmaddubsw128): Likewise.
17011         (sse3_pmaddubsw: Likewise.
17012         (ssse3_palignrti): Likewise.
17013         (ssse3_palignrdi): Likewise.
17014
17015 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
17016
17017         * doc/install.texi (Specific): Fix two cross-references to MinGW.
17018
17019 2009-04-06  Richard Guenther  <rguenther@suse.de>
17020
17021         PR tree-optimization/28868
17022         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
17023         of which PHI results we inserted.
17024         (insert_into_preds_of_block): Record inserted PHIs.
17025         (eliminate): Eliminate redundant PHI nodes.
17026         (init_pre): Init inserted_phi_names.
17027
17028 2009-04-06  Richard Guenther  <rguenther@suse.de>
17029
17030         PR tree-optimization/39643
17031         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
17032         IMAGPART_EXPRs of complex constants.
17033         (execute_fold_all_builtins): If we folded a call queue
17034         TODO_update_address_taken.
17035
17036 2009-04-06  Jan Hubicka  <jh@suse.cz>
17037
17038         PR middle-end/39659
17039         * except.c (remove_unreachable_regions): Propagate may_contain_throw
17040         flag.
17041
17042 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
17043
17044         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
17045         delay slot.
17046         (ic_invalidate_array): Likewise.
17047
17048 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
17049
17050         * calls.c (emit_library_call_value_1): Fix a problem with parameter
17051         alignment for library calls.
17052
17053 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
17054
17055         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
17056         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
17057         * config/i386/mingw-stdint.h:  New file.
17058
17059 2009-04-05  Richard Guenther  <rguenther@suse.de>
17060
17061         PR tree-optimization/39648
17062         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
17063         our &A vs. &A[0] IL deficiencies.
17064
17065 2009-04-04  Jan Hubicka  <jh@suse.cz>
17066
17067         * except.c (sjlj_find_directly_reachable_regions): Be ready for
17068         removed toplevel regions.
17069         (sjlj_mark_call_sites): Likewise.
17070
17071 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
17072
17073         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
17074         (cygwin tm clause use_gcc_stdint):  Set to wrap.
17075         * config/i386/cygwin-stdint.h:  New file.
17076
17077 2009-04-04  Richard Guenther  <rguenther@suse.de>
17078
17079         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
17080         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
17081         single-argument PHIs if we are in loop-closed SSA form.
17082         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
17083         for the pre-condition.
17084         (slpeel_tree_peel_loop_to_edge): Likewise.
17085         (vect_build_loop_niters): Take an optional sequence to append stmts.
17086         (vect_generate_tmps_on_preheader): Likewise.
17087         (vect_do_peeling_for_loop_bound): Take extra guards for the
17088         pre-condition.
17089         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
17090         the cost model check.
17091         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
17092         guards if we are going to peel.  Do not apply versioning in that case.
17093         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
17094         (vect_do_peeling_for_loop_bound): Likewise.
17095         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
17096         loop bound only record extra pre-conditions, do not apply loop
17097         versioning.
17098
17099 2009-04-04  Richard Guenther  <rguenther@suse.de>
17100
17101         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
17102         renaming code.
17103
17104 2009-04-04  Jan Hubicka  <jh@suse.cz>
17105
17106         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
17107         last_basic_block for size of bb->index indexed array.
17108         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
17109         compute_out, link_btr_uses, build_btr_def_use_webs,
17110         build_btr_def_use_webs, migrate_btr_defs): Likewise.
17111
17112 2009-04-04  Jan Hubicka  <jh@suse.cz>
17113
17114         * except.c (remove_eh_handler_and_replace): Break out from ...
17115         (remove_eh_handler): ... here.
17116         (bring_to_root): New function.
17117         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
17118         handled ones, bring others to root of tree.
17119
17120 2009-04-04  Jan Hubicka  <jh@suse.cz>
17121
17122         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
17123         (all_phis_safe_to_merge): New function.
17124         (update_info): New structure.
17125         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
17126         (cleanup_empty_eh): Update SSA if possible.
17127
17128 2009-04-04  Richard Guenther  <rguenther@suse.de>
17129
17130         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
17131         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
17132         (append_vuse): Likewise.
17133
17134 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
17135
17136         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
17137         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
17138         instead of REG_UNSAVED for DW_CFA_undefined.
17139         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
17140         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
17141         outermost frame.
17142
17143 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
17144
17145         PR target/39501
17146         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
17147         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
17148         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
17149
17150 2009-04-04  Richard Guenther  <rguenther@suse.de>
17151
17152         PR tree-optimization/8781
17153         PR tree-optimization/37892
17154         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
17155         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
17156         (valueize_refs): Call it for *& valueizations.
17157         (shared_reference_ops_from_ref): Rename to ...
17158         (valueize_shared_reference_ops_from_ref): ... this and valueize.
17159         (shared_reference_ops_from_call): Rename to ...
17160         (valueize_shared_reference_ops_from_call): ... this and valueize.
17161         (vn_reference_lookup): Update.
17162         (visit_reference_op_call): Likewise.
17163         * tree-ssa-pre.c (phi_translate_1): Fold *&.
17164         (eliminate): Value-replace the call address in call statements.
17165
17166 2009-04-04  Richard Guenther  <rguenther@suse.de>
17167
17168         PR tree-optimization/39636
17169         * tree-ssa-forwprop.c
17170         (forward_propagate_addr_into_variable_array_index): Check for
17171         GIMPLE_ASSIGN before accessing the rhs code.
17172
17173 2009-04-03  Jason Merrill  <jason@redhat.com>
17174
17175         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
17176
17177 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
17178
17179         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
17180         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
17181         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
17182         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
17183         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
17184         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
17185         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
17186         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
17187         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
17188         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
17189         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
17190         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
17191         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
17192         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
17193         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
17194         Use fr_reg_or_fp01_operand instead of fr_register_operand
17195
17196         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
17197         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
17198         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
17199
17200 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
17201
17202         PR rtl-optimization/39607
17203         PR rtl-optimization/39631
17204
17205         Revert:
17206
17207         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
17208         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
17209         instead of DF_LR_OUT.
17210         * ira-lives.c (process_bb_node_lives): Ditto.
17211         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
17212         instead of DF_LR_{OUT,IN}.
17213         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
17214         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
17215
17216 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
17217
17218         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
17219         (execute_lower_omp): Always run but take the short way out if -fopenmp
17220         is not given.
17221         (gate_lower_omp): Remove, forcing the pass manager to always run the
17222         pass and always set PROP_gimple_lomp.
17223         (pass_lower_omp): Remove gate function.
17224         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
17225         PROP_trees.  Instead, require it.
17226         * ipa-cp.c (pass_ipa_cp): Likewise.
17227         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
17228         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
17229         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
17230         and PROP_gimple_leh.
17231
17232 2009-04-03  Richard Guenther  <rguenther@suse.de>
17233
17234         PR middle-end/13146
17235         PR tree-optimization/23940
17236         PR tree-optimization/33237
17237         PR middle-end/33974
17238         PR middle-end/34093
17239         PR tree-optimization/36201
17240         PR tree-optimization/36230
17241         PR tree-optimization/38049
17242         PR tree-optimization/38207
17243         PR tree-optimization/38230
17244         PR tree-optimization/38301
17245         PR tree-optimization/38585
17246         PR middle-end/38895
17247         PR tree-optimization/38985
17248         PR tree-optimization/39299
17249         * tree-ssa-structalias.h: Remove.
17250         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
17251         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
17252         (struct vuse_element_d): Remove.
17253         (struct vuse_vec_d): Likewise.
17254         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
17255         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
17256         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
17257         VUSE_ELEMENT_VAR): Likewise.
17258         (struct voptype_d): Likewise.
17259         (NUM_VOP_FREE_BUCKETS): Likewise.
17260         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
17261         (struct stmt_operands_d): Remove.
17262         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
17263         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
17264         VDEF_NUM, VDEF_VECT): Likewise.
17265         (copy_virtual_operands): Remove.
17266         (operand_build_cmp): Likewise.
17267         (create_ssa_artificial_load_stmt): Likewise.
17268         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
17269         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
17270         vuse_index and mayuse_index members.  Pack and move done and iter_type
17271         members to the front.
17272         (SSA_OP_VMAYUSE): Remove.
17273         (SSA_OP_VIRTUAL_USES): Adjust.
17274         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
17275         (unlink_stmt_vdef): Declare.
17276         (add_to_addressable_set): Remove.
17277         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
17278         (vrp_visit_stmt): Likewise.
17279         * doc/tree-ssa.texi (Alias analysis): Update.
17280         * doc/invoke.texi (max-aliased-vops): Remove docs.
17281         (avg-aliased-vops): Likewise.
17282         * tree-into-ssa.c (syms_to_rename): Remove.
17283         (need_to_update_vops_p): Likewise.
17284         (need_to_initialize_update_ssa_p): Rename to ...
17285         (update_ssa_initialized_fn): ... this.  Track function we are
17286         initialized for.
17287         (symbol_marked_for_renaming): Simplify.
17288         (add_new_name_mapping): Do not set need_to_update_vops_p.
17289         (dump_currdefs): Use SYMS_TO_RENAME.
17290         (rewrite_update_stmt): Always walk all uses/defs.
17291         (dump_update_ssa): Adjust.
17292         (init_update_ssa): Take function argument.  Track what we are
17293         initialized for.
17294         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
17295         (create_new_def_for): Initialize for cfun, assert we are initialized
17296         for cfun.
17297         (mark_sym_for_renaming): Simplify.
17298         (mark_set_for_renaming): Do not initialize update-ssa.
17299         (need_ssa_update_p): Simplify.  Take function argument.
17300         (name_mappings_registered_p): Assert we ask for the correct function.
17301         (name_registered_for_update_p): Likewise.
17302         (ssa_names_to_replace): Likewise.
17303         (release_ssa_name_after_update_ssa): Likewise.
17304         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
17305         (dump_decl_set): Do not print a newline.
17306         (debug_decl_set): Do it here.
17307         (dump_update_ssa): And here.
17308         * tree-ssa-loop-im.c (move_computations): Adjust.
17309         (movement_possibility): Likewise.
17310         (determine_max_movement): Likewise.
17311         (gather_mem_refs_stmt): Likewise.
17312         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
17313         or NAME_MEMORY_TAG.
17314         * tree-complex.c (update_all_vops): Remove.
17315         (expand_complex_move): Adjust.
17316         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
17317         Simplify test for memory referencing statement.  Exclude
17318         non-invariant ADDR_EXPRs.
17319         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
17320         * tree-loop-distribution.c (generate_memset_zero): Adjust.
17321         (rdg_flag_uses): Likewise.
17322         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
17323         related code.
17324         (tree_optimize_tail_calls_1): Also split the
17325         edge from the entry block if we have degenerate PHI nodes in
17326         the first basic block.
17327         * tree.c (init_ttree): Remove memory-tag related code.
17328         (tree_code_size): Likewise.
17329         (tree_node_structure): Likewise.
17330         (build7_stat): Re-write to be build6_stat.
17331         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
17332         (SSA_VAR_P): Adjust.
17333         (struct tree_memory_tag): Remove.
17334         (struct tree_memory_partition_tag): Likewise.
17335         (union tree_node): Adjust.
17336         (build7): Re-write to be build6.
17337         * tree-pass.h (pass_reset_cc_flags): Remove.
17338         (TODO_update_address_taken): New flag.
17339         (pass_simple_dse): Remove.
17340         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
17341         * params.h (MAX_ALIASED_VOPS): Remove.
17342         (AVG_ALIASED_VOPS): Likewise.
17343         * omp-low.c (expand_omp_taskreg): Update SSA form.
17344         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
17345         aliases the lhs in a copy stmt.
17346         * tree-ssa-dse.c (struct address_walk_data): Remove.
17347         (memory_ssa_name_same): Likewise.
17348         (memory_address_same): Likewise.
17349         (get_kill_of_stmt_lhs): Likewise.
17350         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
17351         unused stores.  Look through PHI nodes into post-dominated regions.
17352         (dse_optimize_stmt): Simplify.  Properly remove stores.
17353         (tree_ssa_dse): Compute dominators.
17354         (execute_simple_dse): Remove.
17355         (pass_simple_dse): Likewise.
17356         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
17357         gimple_loaded_syms and gimple_stored_syms computation.
17358         * toplev.c (dump_memory_report): Dump alias and pta stats.
17359         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
17360         (vn_reference_eq): Likewise.
17361         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
17362         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
17363         valueize_vuses): Remove.
17364         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
17365         (get_def_ref_stmt_vuse): ... this.
17366         (vn_reference_lookup_2): New function.
17367         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
17368         walking equivalent vuses.  Simplify.
17369         (vn_reference_lookup): Likewise.
17370         (vn_reference_insert): Likewise.
17371         (vn_reference_insert_pieces): Likewise.
17372         (visit_reference_op_call): Simplify.
17373         (visit_reference_op_load): Likewise.
17374         (visit_reference_op_store): Likewise.
17375         (init_scc_vn): Remove shared_lookup_vuses initialization.
17376         (free_scc_vn): Remove shared_lookup_vuses freeing.
17377         (sort_vuses, sort_vuses_heap): Remove.
17378         (get_ref_from_reference_ops): Export.
17379         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
17380         vector with single vuse pointer.
17381         (vn_reference_lookup_pieces, vn_reference_lookup,
17382         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
17383         (shared_vuses_from_stmt): Remove.
17384         (get_ref_from_reference_ops): Declare.
17385         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
17386         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
17387         memory-tag related code.
17388         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
17389         (likely_value): Add comment, skip static-chain of call statements.
17390         (surely_varying_stmt_p): Adjust.
17391         (gimplify_and_update_call_from_tree): Likewise.
17392         (execute_fold_all_builtins): Do not rebuild alias info.
17393         (gimplify_and_update_call_from_tree): Properly update VOPs.
17394         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
17395         (copy_ref_info): Remove memory-tag related code.
17396         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
17397         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
17398         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
17399         computation.
17400         * tree-ssa-dom.c (gimple_p): Remove typedef.
17401         (eliminate_redundant_computations): Adjust.
17402         (record_equivalences_from_stmt): Likewise.
17403         (avail_expr_hash): Likewise.
17404         (avail_expr_eq): Likewise.
17405         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
17406         (stmt_makes_single_load): Likewise.
17407         (stmt_makes_single_store): Likewise.
17408         * tree-ssa-alias.c: Rewrite completely.
17409         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
17410         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
17411         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
17412         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
17413         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
17414         Remove public functions.
17415         (pass_reset_cc_flags): Remove.
17416         (pass_build_alias): Move ...
17417         * tree-ssa-structalias.c (pass_build_alias): ... here.
17418         * tree-ssa-alias.c (may_be_aliased): Move ...
17419         * tree-flow-inline.h (may_be_aliased): ... here.
17420         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
17421         count_uses_and_derefs): Move ...
17422         * gimple.c: ... here.
17423         * gimple.h (count_uses_and_derefs): Declare.
17424         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
17425         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
17426         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
17427         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
17428         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
17429         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
17430         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
17431         New functions.
17432         * tree-dfa.c (refs_may_alias_p): Move ...
17433         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
17434         * tree-ssa-alias.h: New file.
17435         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
17436         (statement_sink_location): Likewise.
17437         * opts.c (decode_options): Do not adjust max-aliased-vops or
17438         avg-aliased-vops values.
17439         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
17440         (TV_CALL_CLOBBER): Likewise.
17441         (TV_FLOW_SENSITIVE): Likewise.
17442         (TV_FLOW_INSENSITIVE): Likewise.
17443         (TV_MEMORY_PARTITIONING): Likewise.
17444         (TV_ALIAS_STMT_WALK): New timevar.
17445         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
17446         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
17447         (get_address_description): Remove memory-tag related code.
17448         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
17449         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
17450         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
17451         and immediate uses in statements.  Document.
17452         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
17453         (dump_symbols): Remove.
17454         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
17455         * alias.c (get_deref_alias_set): New function split out from ...
17456         (get_alias_set): ... here.
17457         * alias.h (get_deref_alias_set): Declare.
17458         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
17459         type parameter.  Remove restrict pointer handling.  Create a
17460         ref-all pointer in case type-based alias sets do not conflict.
17461         (vect_analyze_data_refs): Remove SMT related code.
17462         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
17463         (vectorizable_load): Likewise.
17464         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
17465         (DR_SYMBOL_TAG, DR_VOPS): Remove.
17466         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
17467         Ignore vops and SMTs.
17468         (dr_analyze_alias): Likewise..
17469         (free_data_ref): Likewise.
17470         (create_data_ref): Likewise.
17471         (analyze_all_data_dependences): Likewise.
17472         (get_references_in_stmt): Adjust.
17473         * tree-flow-inline.h (gimple_aliases_computed_p,
17474         gimple_addressable_vars, gimple_call_clobbered_vars,
17475         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
17476         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
17477         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
17478         gimple_mem_ref_stats): Remove.
17479         (gimple_vop): New function.
17480         (op_iter_next_use): Remove vuses and mayuses cases.
17481         (op_iter_next_def): Remove vdefs case.
17482         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
17483         (clear_and_done_ssa_iter): Do not set removed fields.
17484         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
17485         Assert we are not iterating over vuses or vdefs if not also
17486         iterating over uses or defs.
17487         (op_iter_init_use): Likewise.
17488         (op_iter_init_def): Likewise.
17489         (op_iter_next_vdef): Remove.
17490         (op_iter_next_mustdef): Likewise.
17491         (op_iter_init_vdef): Likewise.
17492         (compare_ssa_operands_equal): Likewise.
17493         (link_use_stmts_after): Handle vuse operand.
17494         (is_call_used): Use is_call_clobbered.
17495         (is_call_clobbered): Global variables are always call clobbered,
17496         query the call-clobbers bitmap.
17497         (mark_call_clobbered): Ignore global variables.
17498         (clear_call_clobbered): Likewise.
17499         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
17500         virtual operands sanity check.
17501         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
17502         Remove.
17503         (TARGET_MEM_REF): Remove TMR_TAG operand.
17504         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
17505         Remove call-clobber related code.
17506         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
17507         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
17508         partitions or escape reason.
17509         (get_single_def_stmt, get_single_def_stmt_from_phi,
17510         get_single_def_stmt_with_phi): Remove.
17511         (dump_referenced_vars): Tidy.
17512         (get_ref_base_and_extent): Allow bare decls.
17513         (collect_dfa_stats): Adjust.
17514         * graphite.c (rename_variables_in_stmt): Adjust.
17515         (graphite_copy_stmts_from_block): Likewise.
17516         (translate_clast): Likewise.
17517         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
17518         (EXPR_DIES): New.
17519         (translate_vuse_through_block): Use the oracle.
17520         (phi_translate_1): Adjust.
17521         (value_dies_in_block_x): Use the oracle.  Cache the outcome
17522         in EXPR_DIES.
17523         (valid_in_sets): Check if the VUSE for
17524         a REFERENCE is available.
17525         (eliminate): Do not remove stmts during elimination,
17526         instead queue and remove them afterwards.
17527         (do_pre): Do not rebuild alias info.
17528         (pass_pre): Run TODO_rebuild_alias before PRE.
17529         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
17530         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
17531         (mark_all_v_defs_stmt): Remove.
17532         (mark_all_v_defs_seq): Adjust.
17533         (sra_replace): Likewise.
17534         (scalarize_use): Likewise.
17535         (scalarize_copy): Likewise.
17536         (scalarize_init): Likewise.
17537         (scalarize_ldst): Likewise.
17538         (todoflags): Remove.
17539         (tree_sra): Do not rebuild alias info.
17540         (tree_sra_early): Adjust.
17541         (pass_sra): Run TODO_update_address_taken before SRA.
17542         * tree-predcom.c (set_alias_info): Remove.
17543         (prepare_initializers_chain): Do not call it.
17544         (mark_virtual_ops_for_renaming): Adjust.
17545         (mark_virtual_ops_for_renaming_list): Remove.
17546         (initialize_root_vars): Adjust.
17547         (initialize_root_vars_lm): Likewise.
17548         (prepare_initializers_chain): Likewise.
17549         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
17550         (may_propagate_copy_into_stmt): Likewise.
17551         (merge_alias_info): Do nothing for now.
17552         (propagate_tree_value_into_stmt): Adjust.
17553         (stmt_may_generate_copy): Likewise.
17554         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
17555         not mark symbols for renaming.
17556         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
17557         with the same statement, make sure to update the new pointed-to one.
17558         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
17559         call statements, do not mark symbols for renaming.
17560         (mark_operand_necessary): Dump something.
17561         (ref_may_be_aliased): New function.
17562         (mark_aliased_reaching_defs_necessary_1): New helper function.
17563         (mark_aliased_reaching_defs_necessary): Likewise.
17564         (mark_all_reaching_defs_necessary_1): Likewise.
17565         (mark_all_reaching_defs_necessary): Likewise.
17566         (propagate_necessity): Do not process virtual PHIs.  For
17567         non-aliased loads mark all reaching definitions as necessary.
17568         For aliased loads and stores mark the immediate dominating
17569         aliased clobbers as necessary.
17570         (visited): New global static.
17571         (perform_tree_ssa_dce): Free visited bitmap after propagating
17572         necessity.
17573         (remove_dead_phis): Perform simple dead virtual PHI removal.
17574         (remove_dead_stmt): Properly unlink virtual operands when
17575         removing stores.
17576         (eliminate_unnecessary_stmts): Schedule PHI removal after
17577         stmt removal.
17578         * tree-ssa-ter.c (is_replaceable_p): Adjust.
17579         (process_replaceable): Likewise.
17580         (find_replaceable_in_bb): Likewise.
17581         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
17582         based on the single gimple vop.
17583         (verify_flow_insensitive_alias_info): Remove.
17584         (verify_flow_sensitive_alias_info): Likewise.
17585         (verify_call_clobbering): Likewise.
17586         (verify_memory_partitions): Likewise.
17587         (verify_alias_info): Likewise.
17588         (verify_ssa): Adjust..
17589         (execute_update_addresses_taken): Export.  Update SSA
17590         manually.  Optimize only when optimizing.  Use a local bitmap.
17591         (pass_update_address_taken): Remove TODO_update_ssa, add
17592         TODO_dump_func.
17593         (pass_update_address_taken): Just use TODO_update_address_taken.
17594         (init_tree_ssa): Do not initialize addressable_vars.
17595         (verify_ssa): Verify new VUSE / VDEF properties.
17596         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
17597         Do not call verify_alias_info.
17598         (delete_tree_ssa): Clear the VUSE, VDEF operands.
17599         Do not free the loaded and stored syms bitmaps.  Reset the escaped
17600         and callused solutions.  Do not free addressable_vars.
17601         Remove memory-tag related code.
17602         (warn_uninitialized_var): Aliases are always available.
17603         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
17604         * lambda-code.c (can_put_in_inner_loop): Adjust.
17605         (can_put_after_inner_loop): Likewise.
17606         (perfect_nestify): Likewise.
17607         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
17608         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
17609         (vectorizable_conversion): Do not mark symbols for renaming.
17610         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
17611         (expand_call_inline): Unlink the calls virtual operands before
17612         replacing it.
17613         (tree_function_versioning): Do not call update_ssa if we are not
17614         updating clones.  Simplify.
17615         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
17616         (propagate_with_phi): Likewise..
17617         * tree-outof-ssa.c (create_temp): Remove memory tag and call
17618         clobber code.  Assert we are not aliased or global.
17619         * tree-flow.h: Include tree-ssa-alias.h
17620         (enum escape_type): Remove.
17621         (struct mem_sym_stats_d): Likewise.
17622         (struct mem_ref_stats_d): Likewise.
17623         (struct gimple_df): Add vop member.  Remove global_var,
17624         call_clobbered_vars, call_used_vars, addressable_vars,
17625         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
17626         escaped and callused members.
17627         (struct ptr_info_def): Remove all members, add points-to solution
17628         member pt.
17629         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
17630         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
17631         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
17632         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
17633         (tree-ssa-alias.o): Likewise.
17634         (toplev.o): Add tree-ssa-alias.h
17635         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
17636         * gimple.c (gimple_set_bb): Fix off-by-one error.
17637         (is_gimple_reg): Do not handle memory tags.
17638         (gimple_copy): Also copy virtual operands.
17639         Delay updating the statement.  Do not reset loaded and stored syms.
17640         (gimple_set_stored_syms): Remove.
17641         (gimple_set_loaded_syms): Likewise.
17642         (gimple_call_copy_skip_args): Copy the virtual operands
17643         and mark the new statement modified.
17644         * tree-ssa-structalias.c (may_alias_p): Remove.
17645         (set_uids_in_ptset): Take the alias set to prune with as
17646         parameter.  Fold in the alias test of may_alias_p.
17647         (compute_points_to_sets): Compute whether a ptr is dereferenced
17648         in a local sbitmap.
17649         (process_constraint): Deal with &ANYTHING on the lhs, reject all
17650         other ADDRESSOF constraints on the lhs.
17651         (get_constraint_for_component_ref): Assert that we don't get
17652         ADDRESSOF constraints from the base of the reference.
17653         Properly generate UNKNOWN_OFFSET for DEREF if needed.
17654         (struct variable_info): Remove collapsed_to member.
17655         (get_varinfo_fc): Remove.
17656         (new_var_info): Do not set collapsed_to.
17657         (dump_constraint): Do not follow cycles.
17658         (dump_constraint_graph): Likewise.
17659         (build_pred_graph): Likewise.
17660         (build_succ_graph): Likewise.
17661         (rewrite_constraints): Likewise.
17662         (do_simple_structure_copy): Remove.
17663         (do_rhs_deref_structure_copy): Remove.
17664         (do_lhs_deref_structure_copy): Remove.
17665         (collapse_rest_of_var): Remove.
17666         (do_structure_copy): Re-implement.
17667         (pta_stats): New global variable.
17668         (dump_pta_stats): New function.
17669         (struct constraint_expr): Make offset signed.
17670         (UNKNOWN_OFFSET): Define special value.
17671         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
17672         (solution_set_expand): New helper function split out from ...
17673         (do_sd_constraint): ... here.
17674         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
17675         (do_ds_constraint): Likewise.
17676         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
17677         and CALLUSED = *CALLUSED.
17678         (set_union_with_increment): Make inc argument signed.
17679         (type_safe): Remove.
17680         (get_constraint_for_ptr_offset): Handle unknown and negative
17681         constant offsets.
17682         (first_vi_for_offset): Handle offsets before start.  Bail
17683         out early for offsets beyond the variable extent.
17684         (first_or_preceding_vi_for_offset): New function.
17685         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
17686         Together with ESCAPED = *ESCAPED this properly computes reachability.
17687         (find_what_var_points_to): New function.
17688         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
17689         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
17690         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
17691         pt_solutions_intersect): New functions.
17692         (compute_call_used_vars): Remove.
17693         (compute_may_aliases): New main entry into PTA computation.
17694         * gimple.h (gimple_p): New typedef.
17695         (struct gimple_statement_base): Remove references_memory_p.
17696         (struct gimple_statement_with_memory_ops_base): Remove
17697         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
17698         members.
17699         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
17700         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
17701         gimple_set_references_memory): Remove.
17702         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
17703         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
17704         New functions.
17705         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
17706         (verify_expr): Allow RESULT_DECL.
17707         (gimple_duplicate_bb): Do not copy virtual operands.
17708         (gimple_duplicate_sese_region): Adjust.
17709         (gimple_duplicate_sese_tail): Likewise.
17710         (mark_virtual_ops_in_region): Remove.
17711         (move_sese_region_to_fn): Do not call it.
17712         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
17713         and pass_simple_dse.
17714         (execute_function_todo): Handle TODO_update_address_taken,
17715         call execute_update_addresses_taken for TODO_rebuild_alias.
17716         (execute_todo): Adjust.
17717         (execute_one_pass): Init dump files early.
17718         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
17719         call-clobbered.
17720         (create_general_new_stmt): Clear vops.
17721         * tree-ssa-reassoc.c (get_rank): Adjust.
17722         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
17723         symbols for renaming.
17724         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
17725         (PARAM_AVG_ALIASED_VOPS): Likewise.
17726         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
17727         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
17728         * tree-ssa-operands.c: Simplify for new virtual operand representation.
17729         (operand_build_cmp, copy_virtual_operands,
17730         create_ssa_artificial_load_stmt, add_to_addressable_set,
17731         gimple_add_to_addresses_taken): Remove public functions.
17732         (unlink_stmt_vdef): New function.
17733
17734 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
17735
17736         * config.gcc (powerpc-*-linux*): Merge variants.
17737
17738 2009-04-02  Chao-ying Fu  <fu@mips.com>
17739             James Grosbach  <james.grosbach@microchip.com>
17740
17741         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
17742         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
17743         cop0_sp_offset.
17744         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
17745         keep_interrupts_masked_p, use_debug_exception_return_p.
17746         (mips_attribute_table): Add interrupt, use_shadow_register_set,
17747         keep_interrupts_masked, use_debug_exception_return.
17748         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
17749         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
17750         New functions.
17751         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
17752         (mips_print_operand): Process COP0 registers to print $0 .. $31
17753         correctly for GAS to process.
17754         (mips_interrupt_extra_call_saved_reg_p): New function.
17755         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
17756         extra registers.
17757         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
17758         (mips_compute_frame_info): Add supports for interrupt context that
17759         includes doubleword accumulators and COP0 registers.
17760         (mips_for_each_saved_acc): New function.
17761         (mips_for_each_saved_gpr_and_fpr): Change the function name from
17762         mips_for_each_saved_reg.
17763         (mips_save_reg): Save accumulators.
17764         (mips_kernel_reg_p): A new for_each_rtx callback.
17765         (mips_expand_prologue): Support interrupt handlers.
17766         (mips_restore_reg): Restore accumulators.
17767         (mips_expand_epilogue): Support interrupt handlers.
17768         (mips_can_use_return_insn): Return false for interrupt handlers.
17769         (mips_epilogue_uses): New function.
17770         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
17771         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
17772         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
17773         cop0_move): New instructions.
17774         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
17775         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
17776         defines.
17777         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
17778         New defines.
17779         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
17780         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
17781         interrupt handlers, we use K0 as the temporary register.
17782         (EPILOGUE_USES): Change to a function call.
17783         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
17784         handlers, we use K0 as the temporary register.
17785
17786         * doc/extend.texi (Function Attributes): Document interrupt,
17787         use_shadow_register_set, keep_interrupts_masked,
17788         use_debug_exception_return for MIPS attributes.
17789
17790 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
17791
17792         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
17793         Remove a number of t-files from tmake_file.
17794         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
17795         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
17796         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
17797         target_prototype, not TARGET_PROTOTYPE.
17798         (LINK_OS_GNU_SPEC): Define.
17799         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
17800         and darwin-ldoubdle.c.
17801
17802 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
17803
17804         PR driver/39293
17805         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
17806         (cpp_options): Ditto.
17807         (default_compilers): Ditto.
17808         (display_help): Ditto.
17809         (process_command): Ditto.
17810         (do_spec_1): Ditto.
17811         (set_input): Use lbasename instead of duplicate code.
17812         (save_temps_prefix): New static for -save-temps=obj.
17813         (save_temps_length): Ditto.
17814
17815         * doc/invoke.texi (-save-temps=obj): Document new variant to
17816         -save-temps switch.
17817
17818 2009-04-02  Jeff Law  <law@redhat.com>
17819
17820         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
17821         variable.
17822
17823 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
17824
17825         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
17826         * configure: Regenerated.
17827
17828 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
17829
17830         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
17831         share the argument list.
17832
17833 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
17834
17835         Merge
17836
17837         2009-02-12  Diego Novillo  <dnovillo@google.com>
17838
17839         * varpool.c (debug_varpool): New.
17840         * cgraph.h (debug_varpool): Declare.
17841
17842 2009-04-02  Jan Hubicka  <jh@suse.cz>
17843
17844         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
17845         pass.
17846
17847 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
17848
17849         * config/i386/i386.c (ix86_abi): Move initialization to ...
17850         (override_options): Here.
17851
17852 2009-04-02  Christian Bruel  <christian.bruel@st.com>
17853
17854         * config/sh/sh.c (sh_dwarf_register_span): New function.
17855         (TARGET_DWARF_REGISTER_SPAN): Define.
17856         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
17857
17858 2009-04-02  Ira Rosen  <irar@il.ibm.com>
17859
17860         PR tree-optimization/39595
17861         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
17862         interleaved loads group is not  greater than the SLP group size.
17863
17864 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
17865
17866         * builtins.c (is_builtin_name): New.
17867         (called_as_built_in): Use is_builtin_name.
17868         * tree.h (is_builtin_name): New.
17869         * varasm.c (incorporeal_function_p): Use is_builtin_name
17870
17871 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
17872
17873         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
17874
17875 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
17876
17877         PR c++/26693
17878         * c-decl.c (clone_underlying_type): Move this ...
17879         * c-common.c (set_underlying_type): ... here.
17880         Also, make sure the function properly sets TYPE_STUB_DECL() on
17881         the newly created typedef variant type.
17882         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
17883         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
17884         points.
17885
17886 2009-04-02  Richard Guenther  <rguenther@suse.de>
17887
17888         PR tree-optimization/37221
17889         * tree-flow.h (degenerate_phi_result): Declare.
17890         * tree-ssa-dom.c (degenerate_phi_result): Export.
17891         * tree-scalar-evolution.c (analyze_initial_condition): If
17892         the initial condition is defined by a degenerate PHI node
17893         use the degenerate value.
17894
17895 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
17896
17897         PR rtl-optimization/39588
17898         * combine.c (merge_outer_ops): Do not set the constant when this
17899         is not necessary.
17900         (simplify_shift_const_1): Do not modify it either in this case.
17901
17902 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
17903
17904         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
17905         tuning is deprecated if -mtune value is set to an Itanium1 variant.
17906
17907 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
17908
17909         PR c/29027
17910         * c-lex.c (interpret_float): Default (no suffix) is double.
17911
17912 2009-04-1  Xinliang David Li  <davidxl@google.com>
17913
17914         * config/i386/i386.c (legitimate_constant_p): Recognize
17915         all one vector constant.
17916
17917 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17918
17919         * config/vax/vax.c: Add #includes to silence warnings.
17920         Change #include order to silence two warnings.
17921
17922 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17923
17924         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
17925         (ASM_SPEC): Pass -k to the assembler for PIC code.
17926
17927 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17928
17929         * config.gcc: Add vax-*-linux* to the switch.
17930         * config/vax/linux.h: New file. (TARGET_VERSION,
17931         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
17932
17933 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17934
17935         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
17936         Use predicate macros instead of GET_CODE() == foo.
17937         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
17938         ashlsi3, rotrsi3, <unnamed>): Likewise.
17939
17940 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17941
17942         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
17943         jbbccihi, jbbccisi): Remova trailing whitespace.
17944         * config/vax/constraints.md: Likewise.
17945         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
17946         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
17947         * config/vax/predicates.md: Likewise.
17948         * config/vax/vax.c (print_operand_address, vax_output_int_move,
17949         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
17950         * config/vax/vax.h: Likewise.
17951         * config/vax/vax.md (nonlocal_goto): Likewise.
17952
17953 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17954
17955         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
17956         (indirectable_address_p, adjacent_operands_p): Add spaces around
17957         braces.
17958         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
17959
17960 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17961
17962         * config/vax/vax.c (legitimate_constant_address_p,
17963         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
17964         index_term_p, reg_plus_index_p, legitimate_address_p,
17965         vax_mode_dependent_address_p): Update comments to match functions
17966         modified by the recent int->bool conversion.
17967
17968 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17969
17970         * config/vax/builtins.md: Update copyright message.
17971         * config/vax/constraints.md: Likewise.
17972         * config/vax/netbsd-elf.h: Likewise.
17973         * config/vax/predicates.md: Likewise.
17974         * config/vax/vax-protos.h: Likewise.
17975         * config/vax/vax.c: Likewise.
17976         * config/vax/vax.h: Likewise.
17977         * config/vax/vax.md: Likewise.
17978         * config/vax/vax.opt: Likewise.
17979
17980 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
17981
17982         * config/vax/builtins.md (ffssi2, ffssi2_internal,
17983         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
17984         * config/vax/constraints.md (B, R): Likewise.
17985         * config/vax/predicates.md (external_memory_operand,
17986         nonimmediate_addsub_di_operand): Likewise.
17987         * config/vax/vax.c (vax_output_int_add): Likewise.
17988         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
17989         untyped_call): Likewise.
17990
17991 2009-04-01  Matt Thomas  <matt@3am-software.com>
17992
17993         * config/vax/predicates.md: New file.
17994         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
17995         external_const_operand, nonsymbolic_operand, external_memory_operand,
17996         indirect_memory_operand, indexed_memory_operand,
17997         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
17998         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
17999         predicate.
18000         * config/vax/constraints.md: New file.
18001         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
18002         New constraint.
18003         * config/vax/builtins.md: New file.
18004         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
18005         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
18006         jbbccisi): Define.
18007         * config/vax/vax.opt (mqmath): Add option.
18008         * config/vax/vax.md (isfx): Extend with DI.
18009         (VAXintQH, VAXintQHSD): Define.
18010         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
18011         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
18012         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
18013         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
18014         (movdi): Update constraints and use vax_output_int_move().
18015         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
18016         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
18017         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
18018         nonlocal_goto): New.
18019         (mov<mode>): Extend accepted operand types.
18020         (subdi3_old): Rename from subdi3, change update constraints and use
18021         a new implementation.
18022         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
18023         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
18024         MOVE_RATIO, CLEAR_RATIO): Define.
18025         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
18026         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
18027         (PRINT_OPERAND): Redefine using a function instead of inlined code.
18028         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
18029         (split_quadword_operands): Make static and really allow variable
18030         splitting.
18031         (print_operand_address): Update for PIC generation.
18032         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
18033         indexable_address_p, fixup_mathdi_operand,
18034         vax_expand_addsub_di_operands, adjacent_operands_p): New.
18035         (vax_float_literal, legitimate_constant_p,
18036         indirectable_constant_address_p, index_term_p,
18037         reg_plus_index_p): Return bool instead of int.
18038         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
18039         where needed.
18040         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
18041         generation.
18042         (vax_output_conditional_branch): Indent.
18043         (legitimate_constant_address_p, indirectable_constant_address_p,
18044         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
18045         vax_mode_dependent_address_p): Return bool instead of int, update for
18046         PIC generation.
18047         * config/vax/vax-protos.h (legitimate_constant_address_p,
18048         legitimate_constant_p, legitimate_address_p,
18049         vax_mode_dependent_address_p): Change declaration to bool.
18050         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
18051         vax_expand_addsub_di_operands, vax_output_int_subtract,
18052         vax_output_movmemsi): Declare.
18053         (split_quadword_operands, vax_float_literal): Delete declaration.
18054         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
18055         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
18056         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
18057         ASM_OUTPUT_DWARF_PCREL): Define.
18058         (ASM_SPEC): Change definition to allow PIC generation.
18059
18060 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
18061
18062         * doc/sourcebuild.texi: Update front-end requirements.
18063
18064 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
18065
18066         PR target/39226
18067         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
18068         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
18069         (booldi3_internal3): Use boolean_or_operator instead of
18070         boolean_operator.
18071
18072 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
18073
18074         PR c/39605
18075         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
18076         declarator whose size is not an integer constant expression but
18077         folds to an integer constant, then treat it as a constant
18078         subsequently.
18079
18080 2009-04-01  Richard Guenther  <rguenther@suse.de>
18081
18082         * fold-const.c (fold_plusminus_mult_expr): Do not fold
18083         i * 4 + 2 to (i * 2 + 1) * 2.
18084
18085 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
18086
18087         PR c/37772
18088         * c-parser.c (c_parser_asm_statement): Skip until close paren and
18089         return if c_parser_asm_string_literal returned NULL.
18090
18091 2009-04-01  Nick Clifton  <nickc@redhat.com>
18092
18093         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
18094         already defined.
18095         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
18096         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
18097         other typedefs to avoid conflicts with libgcc2.c.  Define labels
18098         to gain 16-bit bit-manipulation functions from libgcc2.c and then
18099         include it.
18100         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
18101         to gain 16-bit trapping arithmetic functions from libgcc2.c and
18102         then include it.
18103
18104 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
18105
18106         * varasm.c (default_function_rodata_section): Declare DOT as
18107         const char*.
18108
18109 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
18110             Andrey Galkin  <agalkin@hypercom.com>
18111
18112         PR/39492
18113         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
18114         Make object_name unique for each process.
18115
18116 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
18117
18118         PR other/39591
18119         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
18120         addressable variables in the parallel that could go out of scope while
18121         running queued tasks.
18122
18123 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
18124
18125         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
18126         (CASE_VALUES_THRESHOLD): Redefine.
18127         * config/avr/avr.c (avr_override_options): Remove initialization of
18128         avr_case_values_threshold variable.
18129         (avr_case_values_threshold): Remove variable. Add new function.
18130         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
18131         * config/avr/avr.opt (mno-tablejump): Remove option.
18132         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
18133
18134 2009-04-01  DJ Delorie  <dj@redhat.com>
18135
18136         * varasm.c (default_function_rodata_section): Don't assume
18137         anything about where the first '.' in the section name is.
18138
18139 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
18140
18141         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
18142         rs6000_emit_stack_tie.
18143
18144 2009-03-31  Ian Lance Taylor  <iant@google.com>
18145
18146         * tree-eh.c (tree_remove_unreachable_handlers): Compare
18147         gimple_code with GIMPLE_RESX, not RESX.
18148
18149 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
18150
18151         * c-common.c (c_get_ident): New.
18152         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
18153
18154 2009-04-01  Ben Elliston  <bje@au.ibm.com>
18155
18156         * config/rs6000/sysv4.opt (msdata): Improve option description.
18157
18158 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
18159
18160         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
18161         (divdf3_internal_lat): Remove.
18162         (divxf3_internal_lat): Remove.
18163         (divxf3_internal_thr): Remove.
18164         (divxf): Use divxf3_internal.
18165         * config/ia64/div.md (divsf3_internal_lat): New.
18166         (divdf3_internal_lat): New.
18167         (divxf3_internal): New.
18168
18169 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
18170
18171         PR c/448
18172         * Makefile.in (USE_GCC_STDINT): Define.
18173         (stmp-int-hdrs): Install stdint.h if applicable.
18174         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
18175         if known.
18176         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
18177         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
18178         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
18179         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
18180         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
18181         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
18182         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
18183         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
18184         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
18185         (c_common_nodes_and_builtins): Initialize
18186         underlying_wchar_type_node.  Do not initialize
18187         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
18188         nodes for new types.
18189         (c_stddef_cpp_builtins): Define macros for new types.
18190         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
18191         Remove.
18192         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
18193         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
18194         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
18195         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
18196         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
18197         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
18198         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
18199         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
18200         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
18201         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
18202         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
18203         int16_type_node, int32_type_node, int64_type_node,
18204         uint8_type_node, uint16_type_node, c_uint32_type_node,
18205         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
18206         int_least32_type_node, int_least64_type_node,
18207         uint_least8_type_node, uint_least16_type_node,
18208         uint_least32_type_node, uint_least64_type_node,
18209         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
18210         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
18211         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
18212         uintptr_type_node): Define.
18213         * c-cppbuiltin.c (builtin_define_constants,
18214         builtin_define_type_minmax): New.
18215         (builtin_define_stdint_macros): Define more macros.
18216         (c_cpp_builtins): Define more limit macros.
18217         (type_suffix): New.
18218         (builtin_define_type_max): Define in terms of
18219         builtin_define_type_minmax.  Remove is_long parameter.  All
18220         callers changed.
18221         * config.gcc (use_gcc_stdint): Define.
18222         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
18223         Add newlib-stdint.h for generic targets.
18224         * config/glibc-stdint.h, config/newlib-stdint.h,
18225         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
18226         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
18227         * config/score/score.h (UINTPTR_TYPE): Define.
18228         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
18229         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
18230         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
18231         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
18232         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
18233         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
18234         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
18235         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
18236         * config/spu/spu.h (STDINT_LONG32): Define.
18237         * configure.ac (use_gcc_stdint): Substitute.
18238         * configure: Regenerate.
18239         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
18240         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
18241         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
18242         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
18243         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
18244         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
18245         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
18246         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
18247         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
18248         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
18249         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
18250         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
18251         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
18252         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
18253         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
18254         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
18255         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
18256         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
18257         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
18258         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
18259         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
18260         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
18261         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
18262         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
18263         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
18264         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
18265         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
18266         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
18267         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
18268
18269 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
18270
18271         * loop-iv.c (suitable_set_for_replacement): Renamed from
18272         simplify_using_assignment; changed to return bool and to accept new
18273         args DEST and SRC.  Return true iff we find a source/destination pair
18274         that can be used to make a replacement, and fill SRC and DEST if so.
18275         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
18276         changed.
18277         (simplify_using_initial_values): Deal with altered regs here and track
18278         more precisely the effect they have on the validity of our expression.
18279
18280         * loop-iv.c (simplify_using_condition): A condition of the form
18281         (EQ REG CONST) can be used to simply make a substitution.
18282         (simplify_using_initial_values): Keep track of conditions we have seen
18283         and keep using them to simplify new expressions, while applying the
18284         same substitutions to them as to the expression.
18285
18286         * simplify-rtx.c (simplify_relational_operation_1): Simplify
18287         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
18288         GEU/LTU reversed.
18289
18290         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
18291         changed.  Use this when trying to improve the upper bound.
18292         Generate the comparison by using simplify_gen_relational.
18293
18294         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
18295
18296         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
18297         functions.
18298         (simplify_using_assignment, simplify_using_initial_values): Call
18299         replace_in_expr to make replacements.  Call replace_single_def_regs
18300         once on the initial version of the expression.
18301
18302 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
18303
18304         PR target/27237
18305         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
18306
18307 2009-03-31  Richard Guenther  <rguenther@suse.de>
18308
18309         PR middle-end/31029
18310         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
18311         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
18312
18313 2009-03-31  Richard Guenther  <rguenther@suse.de>
18314
18315         * tree.h (div_if_zero_remainder): Declare.
18316         * fold-const.c (div_if_zero_remainder): Export.
18317         * tree-ssa-forwprop.c
18318         (forward_propagate_addr_into_variable_array_index): Handle
18319         constant array index addition outside of the variable index.
18320
18321 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
18322
18323         PR target/39592
18324         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
18325         define_splits, floatunssi<mode>2): Require x87 conversions from
18326         DImode to be permitted.
18327
18328 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
18329
18330         PR preprocessor/15638
18331         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
18332
18333 2009-03-31  Richard Guenther  <rguenther@suse.de>
18334
18335         PR middle-end/23401
18336         PR middle-end/27810
18337         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
18338         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
18339         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
18340         a separate statement.
18341         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
18342         (lookup_tmp_var): Likewise.
18343         (is_gimple_formal_tmp_or_call_rhs): Remove.
18344         (is_gimple_reg_or_call_rhs): Rename to ...
18345         (is_gimple_reg_rhs_or_call): ... this.
18346         (is_gimple_mem_or_call_rhs): Rename to ...
18347         (is_gimple_mem_rhs_or_call): ... this.
18348         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
18349         DECL_GIMPLE_REG_P only if is_formal is true.
18350         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
18351         for non-proper post-modify expression gimplification.
18352         (gimplify_self_mod_expr): For post-modify expressions gimplify
18353         the lvalue to a minimal lvalue.
18354         (rhs_predicate_for): Remove formal temp case.
18355         (gimplify_modify_expr_rhs): Likewise.
18356         (gimplify_addr_expr): Use is_gimple_reg.
18357         (gimplify_expr): Remove formal temp cases.
18358         (gimple_regimplify_operands): Likewise.
18359         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
18360         and FILTER_EXPR like constants.
18361         * gimple.c (walk_gimple_op): Fix val_only initialization, use
18362         is_gimple_reg.
18363         (is_gimple_formal_tmp_rhs): Remove.
18364         (is_gimple_reg_rhs): Remove special casing.
18365         (is_gimple_mem_rhs): Fix.
18366         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
18367         (is_gimple_formal_tmp_var): Remove.
18368         (is_gimple_formal_tmp_reg): Likewise.
18369         (is_gimple_min_lval): Allow invariant component ref parts.
18370         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
18371         is_gimple_formal_tmp_reg): Remove declarations.
18372         * tree-cfg.c (verify_expr): Verify that variables with address
18373         taken do not have DECL_GIMPLE_REG_P set.
18374         * tree-mudflap.c (mf_build_check_statement_for): Use
18375         force_gimple_operand instead of gimplify_expr.
18376
18377 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
18378
18379         * modulo-sched.c (sms_schedule_by_order): Pass the actual
18380         schedulable rows to compute_split_row.
18381
18382 2009-03-31  Ben Elliston  <bje@au.ibm.com>
18383
18384         PR target/31635
18385         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
18386         OPT_mvrsave.
18387
18388 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
18389
18390         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
18391         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
18392         * configure: Regenerate.
18393         * config.in: Regenerate.
18394         * config/rs6000/rs6000.opt (mtls-markers): Add.
18395         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
18396         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
18397         (tls_ld_aix, tls_ld_sysv): Likewise.
18398         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
18399         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
18400
18401 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
18402
18403         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
18404
18405 2009-03-30  Jan Hubicka  <jh@suse.cz>
18406
18407         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
18408         out of RESX.
18409         (tree_remove_unreachable_handlers): Cleanup EH predecestor
18410         detection and label handling.
18411
18412 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
18413
18414         * ira-int.h (ira_allocno): Rename left_conflicts_num to
18415         left_conflicts_size.
18416         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
18417         ALLOCNO_LEFT_CONFLICTS_SIZE.
18418
18419         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
18420         remove_allocno_from_bucket_and_push,
18421         allocno_spill_priority_compare, push_allocnos_to_stack,
18422         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
18423         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
18424         (setup_allocno_left_conflicts_num): Ditto.  Rename to
18425         setup_allocno_left_conflicts_size.
18426         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
18427         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
18428         setup_allocno_left_conflicts_size instead of
18429         setup_allocno_left_conflicts_num.
18430
18431         * ira-build.c (ira_create_allocno): Use
18432         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
18433         ALLOCNO_LEFT_CONFLICTS_NUM.
18434
18435 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
18436
18437         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
18438         instead of DF_LR_OUT.
18439
18440         * ira-lives.c (process_bb_node_lives): Ditto.
18441
18442         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
18443         instead of DF_LR_{OUT,IN}.
18444
18445         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
18446
18447         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
18448
18449 2009-03-30  Jan Hubicka  <jh@suse.cz>
18450
18451         * except.c (label_to_region_map): Fix thinko.
18452
18453 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
18454
18455         PR middle-end/38237
18456         * tree.h (tree_find_value): New declaration.
18457         * tree.c (tree_find_value): New function.
18458         * varasm.c (assemble_external): Avoid duplicate entries on lists.
18459
18460 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
18461
18462         PR debug/39563
18463         * c-decl.c (struct c_binding): Add locus field.
18464         (bind): Add locus argument, set locus field from it.
18465         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
18466         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
18467         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
18468         implicitly_declare, undeclared_variable, lookup_label,
18469         declare_label, c_make_fname_decl, c_builtin_function,
18470         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
18471         bind callers.
18472
18473 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
18474
18475         PR target/38781
18476         * config/i386/i386.c (classify_argument): Check total size of
18477         structure.
18478
18479 2009-03-30  Martin Jambor  <mjambor@suse.cz>
18480
18481         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
18482         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
18483         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
18484         respectively.
18485
18486         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
18487         seen_variable_array_ref while also traversing a union.
18488
18489         * tree-inline.c (optimize_inline_calls): Do not call
18490         cgraph_node_remove_callees.
18491         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
18492         (pass_remove_cgraph_callee_edges): New variable.
18493         * passes.c (init_optimization_passes): Add
18494         pass_remove_cgraph_callee_edges after early inlining and before all
18495         late intraprocedural passes.
18496
18497         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
18498
18499 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
18500
18501         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
18502         Fix typos in names.
18503
18504 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
18505
18506         * combine.c (simplify_comparison): Use have_insn_for.
18507         * dojump.c (do_jump): Likewise.
18508
18509 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
18510
18511         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
18512         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
18513         sparc_compare_op0 like sparc_compare_emitted used to be handled.
18514         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
18515         instead of sparc_compare_emitted.
18516         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
18517         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
18518         instead of sparc_compare_emitted.
18519
18520 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
18521
18522         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
18523         enter/exit cfglayout mode.
18524         (pass_partition_block): Require it.
18525         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
18526         (combine_instructions): Track basic blocks instead of labels.
18527         (update_cfg_for_uncondjump): New.
18528         (try_combine): Use it.  Update jumps after rescanning.
18529         (pass_combine): Require PROP_cfglayout.
18530         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
18531
18532 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
18533
18534         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
18535         Provide/destroy PROP_cfglayout respectively.
18536         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
18537         * tree-pass.h (PROP_cfglayout): New.
18538
18539 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
18540
18541         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
18542         fold_convert_const_fixed_from_fixed,
18543         fold_convert_const_fixed_from_int,
18544         fold_convert_const_fixed_from_real, fold_negate_const): Do not
18545         set TREE_CONSTANT_OVERFLOW.
18546         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
18547         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
18548
18549 2009-03-30  Ira Rosen  <irar@il.ibm.com>
18550
18551         * tree-vect-loop-manip.c: New file.
18552         * tree-vectorizer.c: Update documentation and included files.
18553         (vect_loop_location): Make extern.
18554         (rename_use_op): Move to tree-vect-loop-manip.c
18555         (rename_variables_in_bb, rename_variables_in_loop,
18556         slpeel_update_phis_for_duplicate_loop,
18557         slpeel_update_phi_nodes_for_guard1,
18558         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
18559         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
18560         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
18561         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
18562         find_loop_location): Likewise.
18563         (new_stmt_vec_info): Move to tree-vect-stmts.c.
18564         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
18565         get_vectype_for_scalar_type, vect_is_simple_use,
18566         supportable_widening_operation, supportable_narrowing_operation):
18567         Likewise.
18568         (bb_in_loop_p): Move to tree-vect-loop.c.
18569         (new_loop_vec_info, destroy_loop_vec_info,
18570         reduction_code_for_scalar_code, report_vect_op,
18571         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
18572         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
18573         (vect_supportable_dr_alignment): Likewise.
18574         * tree-vectorizer.h (tree-data-ref.h): Include.
18575         (vect_loop_location): Declare.
18576         Reorganize function declarations according to the new file structure.
18577         * tree-vect-loop.c: New file.
18578         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
18579         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
18580         * tree-vect-data-refs.c: New file.
18581         * tree-vect-patterns.c (timevar.h): Don't include.
18582         * tree-vect-stmts.c: New file.
18583         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
18584         tree-vect-slp.c, tree-vect-loop.c.
18585         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
18586         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
18587         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
18588         (tree-vect-analyze.o): Remove.
18589         (tree-vect-transform.o): Likewise.
18590         (tree-vect-data-refs.o): Add rule.
18591         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
18592         tree-vect-slp.o): Likewise.
18593         (tree-vect-patterns.o): Remove redundant dependencies.
18594         (tree-vectorizer.o): Likewise.
18595         * tree-vect-slp.c: New file.
18596
18597 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18598
18599         * optc-gen.awk: Warn if an option flag has multiple different
18600         help strings.
18601
18602 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
18603
18604         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
18605         -floop-block): Document dependences on PPL, CLooG and Graphite.
18606
18607 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
18608
18609         PR rtl-optimization/323
18610         * c-common.c (c_fully_fold, convert_and_check,
18611         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
18612         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
18613         * c-common.def (EXCESS_PRECISION_EXPR): New.
18614         * c-cppbuiltin.c (builtin_define_float_constants): Define
18615         constants with enough digits for long double.
18616         * c-lex.c (interpret_float): Interpret constant with excess
18617         precision where appropriate.
18618         * c-opts.c (c_common_post_options): Set
18619         flag_excess_precision_cmdline.  Give an error for
18620         -fexcess-precision=standard for C++ for processors where the
18621         option is significant.
18622         * c-parser.c (c_parser_conditional_expression): Handle excess
18623         precision in condition.
18624         * c-typeck.c (convert_arguments): Handle arguments with excess
18625         precision.
18626         (build_unary_op): Move excess precision outside operation.
18627         (build_conditional_expr): Likewise.
18628         (build_compound_expr): Likewise.
18629         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
18630         (build_modify_expr): Handle excess precision in RHS.
18631         (convert_for_assignment): Handle excess precision in converted
18632         value.
18633         (digest_init, output_init_element, process_init_element): Handle
18634         excess precision in initializer.
18635         (c_finish_return): Handle excess precision in return value.
18636         (build_binary_op): Handle excess precision in operands and add
18637         excess precision as needed for operation.
18638         * common.opt (-fexcess-precision=): New option.
18639         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
18640         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
18641         For standard excess precision, output explicit conversion to and
18642         truncation from XFmode.
18643         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
18644         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
18645         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
18646         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
18647         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
18648         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
18649         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
18650         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
18651         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
18652         define_splits, sqrt<mode>2): Disable where appropriate for
18653         standard excess precision.
18654         * convert.c (convert_to_real): Do not shorten arithmetic to type
18655         for which excess precision would be used.
18656         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
18657         * doc/invoke.texi (-fexcess-precision=): Document option.
18658         (-mfpmath=): Correct index entry.
18659         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
18660         flag_excess_precision): New.
18661         * langhooks.c (lhd_post_options): Set
18662         flag_excess_precision_cmdline.
18663         * opts.c (common_handle_option): Handle -fexcess-precision=.
18664         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
18665         init_excess_precision): New.
18666         (lang_dependent_init_target): Call init_excess_precision.
18667         * tree.c (excess_precision_type): New.
18668         * tree.h (excess_precision_type): Declare.
18669
18670 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
18671
18672         PR c/35235
18673         * c-typeck.c (build_component_ref): Do not copy qualifiers from
18674         non-lvalue to component.
18675
18676 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
18677
18678         PR preprocessor/34695
18679         * Makefile.in (c-opts.o): Depend on c-tree.h.
18680         * c-common.c: Move down include of diagnostic.h.
18681         (done_lexing, c_cpp_error): New.
18682         * c-common.h (done_lexing): Declare.
18683         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
18684         (parse_in).
18685         * c-opts.c: Include c-tree.h.
18686         (c_common_init_options): Set preprocessor error callback.
18687         (c_common_handle_option): Do not set preprocessor
18688         inhibit_warnings, warnings_are_errors, warn_system_headers,
18689         pedantic_errors or inhibit_warnings flags.
18690         (c_common_post_options): Do not check cpp_errors (parse_in).
18691         (c_common_finish): Do not output dependencies if there were
18692         errors.  Do not check return value of cpp_finish.
18693         * c-ppoutput.c (pp_file_change): Set input_location.
18694         * c-tree.h (c_cpp_error): Declare.
18695         * diagnostic.c (diagnostic_set_info_translated): Also initialize
18696         override_column.
18697         (diagnostic_build_prefix): Check override_column.
18698         * diagnostic.h (diagnostic_info): Add override_column field.
18699         (diagnostic_override_column): Define.
18700
18701 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
18702
18703         * c-common.c (c_expand_expr, c_staticp): Remove.
18704         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
18705         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
18706         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
18707         * c-gimplify.c (gimplify_compound_literal_expr,
18708         optimize_compound_literals_in_ctor): Remove.
18709         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
18710         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
18711         * c-semantics.c (emit_local_var): Remove.
18712
18713         * langhooks-def.h (lhd_expand_expr): Remove.
18714         * langhooks.c (lhd_expand_expr): Remove.
18715         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
18716
18717         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
18718         handling from c-semantics.c; don't call into langhook.
18719         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
18720         * gimplify.c (gimplify_compound_literal_expr,
18721         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
18722         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
18723         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
18724         as was done in c-gimplify.c.
18725         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
18726         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
18727         Move from c-common.h.
18728         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
18729
18730         * tree.c (staticp): Do not call langhook.
18731         * langhooks.c (lhd_staticp): Delete.
18732         * langhooks-def.h (lhd_staticp): Delete prototype.
18733         (LANG_HOOKS_STATICP): Delete.
18734         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
18735
18736         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
18737         instead of DECL_STMTs.
18738
18739 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
18740
18741         PR c/456
18742         PR c/5675
18743         PR c/19976
18744         PR c/29116
18745         PR c/31871
18746         PR c/35198
18747         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
18748         void_type_node.
18749         (fold_call_expr): Return a NOP_EXPR from folding rather than the
18750         contained expression.
18751         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
18752         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
18753         conditional expressions for C.
18754         (decl_constant_value_for_optimization): Move from
18755         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
18756         whether optimizing and that the expression is a VAR_DECL not of
18757         array type instead of doing such checks in the caller.  Do not
18758         check pedantic.  Call gcc_unreachable for C++.
18759         * c-common.def (C_MAYBE_CONST_EXPR): New.
18760         * c-common.h (c_fully_fold, c_save_expr,
18761         decl_constant_value_for_optimization): New prototypes.
18762         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
18763         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
18764         EXPR_INT_CONST_OPERANDS): Define.
18765         * c-convert.c (convert): Strip nops from expression.
18766         * c-decl.c (groktypename): Take extra parameters expr and
18767         expr_const_operands.  Update call to grokdeclarator.
18768         (start_decl): Update call to grokdeclarator.  Add statement for
18769         expressions used in type of decl.
18770         (grokparm): Update call to grokdeclarator.
18771         (push_parm_decl): Update call to grokdeclarator.
18772         (build_compound_literal): Add parameter non_const and build a
18773         C_MAYBE_COSNT_EXPR if applicable.
18774         (grokdeclarator): Take extra parameters expr and
18775         expr_const_operands.  Track expressions used in declaration
18776         specifiers and declarators.  Fold array sizes and track whether
18777         they are constant expressions and whether they are integer
18778         constant expressions.
18779         (parser_xref_tag): Set expr and expr_const_operands fields in
18780         return value.
18781         (grokfield): Update call to grokdeclarator.
18782         (start_function): Update call to grokdeclarator.
18783         (build_null_declspecs): Set expr and expr_const_operands fields in
18784         return value.
18785         (declspecs_add_type): Handle expressions in typeof specifiers.
18786         * c-parser.c (c_parser_declspecs): Set expr and
18787         expr_const_operands fields for declaration specifiers.
18788         (c_parser_enum_specifier): Likewise.
18789         (c_parser_struct_or_union_specifier): Likewise.
18790         (c_parser_typeof_specifier): Likewise.  Update call to
18791         groktypename.  Fold expression as needed.  Return expressions with
18792         type instead of adding statements.
18793         (c_parser_attributes): Update calls to c_parser_expr_list.
18794         (c_parser_statement_after_labels): Fold expression before passing
18795         to objc_build_throw_stmt.
18796         (c_parser_condition): Fold expression.
18797         (c_parser_asm_operands): Fold expression.
18798         (c_parser_conditional_expression): Use c_save_expr.  Update call
18799         to build_conditional_expr.
18800         (c_parser_alignof_expression): Update call to groktypename.
18801         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
18802         original_code.  Fold expression argument of va_arg.  Create
18803         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
18804         argument to va_arg.  Update calls to groktypename.  Fold array
18805         index for offsetof.  Verify that first argument to
18806         __builtin_choose_expr has integer type.
18807         (c_parser_postfix_expression_after_paren_type): Update calls to
18808         groktypename and build_compound_literal.  Handle expressions with
18809         side effects in type name.
18810         (c_parser_postfix_expression_after_primary): Update call to
18811         c_parser_expr_list.  Set original_code for calls to
18812         __builtin_constant_p.
18813         (c_parser_expr_list): Take extra parameter fold_p.  Fold
18814         expressions if requested.
18815         (c_parser_objc_type_name): Update call to groktypename.
18816         (c_parser_objc_synchronized_statement): Fold expression.
18817         (c_parser_objc_receiver): Fold expression.
18818         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
18819         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
18820         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
18821         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
18822         (struct c_typespec): Add elements expr and expr_const_operands.
18823         (struct c_declspecs): Add elements expr and expr_const_operands.
18824         (groktypename, build_conditional_expr, build_compound_literal):
18825         Update prototypes.
18826         (in_late_binary_op): Declare.
18827         * c-typeck.c (note_integer_operands): New function.
18828         (in_late_binary_op): New variable.
18829         (decl_constant_value_for_broken_optimization): Move to c-common.c
18830         and rename to decl_constant_value_for_optimization.
18831         (default_function_array_conversion): Do not strip nops.
18832         (default_conversion): Do not call
18833         decl_constant_value_for_broken_optimization.
18834         (build_array_ref): Do not fold result.
18835         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
18836         result when operand is a VLA.
18837         (c_expr_sizeof_type): Update call to groktypename.  Handle
18838         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
18839         result when operand names a VLA type.
18840         (build_function_call): Update call to build_compound_literal.
18841         Only fold result for calls to __builtin_* functions.  Strip
18842         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
18843         the function designator.
18844         (convert_arguments): Fold arguments.  Update call to
18845         convert_for_assignment.
18846         (build_unary_op): Handle increment and decrement of
18847         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
18848         decrement earlier.  Fold operand of increment and decrement.
18849         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
18850         built for integer operand.  Wrap returns that are INTEGER_CSTs
18851         without being integer constant expressions or that have integer
18852         constant operands without being INTEGER_CSTs.
18853         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
18854         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
18855         result is an integer constant expression or can be used in
18856         unevaluated parts of one and avoid folding and wrap as
18857         appropriate.  Fold operands before possibly doing -Wsign-compare
18858         warnings.
18859         (build_compound_expr): Wrap result for C99 if operands can be used
18860         in integer constant expressions.
18861         (build_c_cast): Update call to digest_init.  Do not ignore
18862         overflow from casting floating-point constants to integers.  Wrap
18863         results that could be confused with integer constant expressions,
18864         null pointer constants or floating-point constants.
18865         (c_cast_expr): Update call to groktypename.  Handle expressions
18866         included in type name.
18867         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
18868         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
18869         Update calls to convert_for_assignment.
18870         (convert_for_assignment): Take new parameter
18871         null_pointer_constant.  Do not strip nops or call
18872         decl_constant_value_for_broken_optimization.  Set
18873         in_late_binary_op for conversions to boolean.
18874         (store_init_value): Update call to digest_init.
18875         (digest_init): Take new parameter null_pointer_constant.  Do not
18876         call decl_constant_value_for_broken_optimization.  pedwarn for
18877         initializers not constant expressions.  Update calls to
18878         convert_for_assignment.
18879         (constructor_nonconst): New.
18880         (struct constructor_stack): Add nonconst element.
18881         (really_start_incremental_init, push_init_level, pop_init_level):
18882         Handle constructor_nonconst and nonconst element.
18883         (set_init_index): Call constant_expression_warning for array
18884         designators.
18885         (output_init_element): Fold value.  Set constructor_nonconst as
18886         applicable.  pedwarn for initializers not constant expressions.
18887         Update call to digest_init.  Call constant_expression_warning
18888         where constant initializers are required.
18889         (process_init_element): Use c_save_expr.
18890         (c_finish_goto_ptr): Fold expression.
18891         (c_finish_return): Fold return value.  Update call to
18892         convert_for_assignment.
18893         (c_start_case): Fold switch expression.
18894         (c_process_expr_stmt): Fold expression.
18895         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
18896         ensure statement expression is not evaluated in constant expression.
18897         (build_binary_op): Track whether results are integer constant
18898         expressions or may occur in such, disable folding and wrap results
18899         as applicable.  Fold operands for -Wsign-compare warnings unless
18900         in_late_binary_op.
18901         (c_objc_common_truthvalue_conversion): Handle results folded to
18902         integer constants that are not integer constant expressions.
18903         * doc/extend.texi: Document when typeof operands are evaluated,
18904         that condition of __builtin_choose_expr is an integer constant
18905         expression, and more about use of __builtin_constant_p in
18906         initializers.
18907
18908 2009-03-29  Richard Guenther  <rguenther@suse.de>
18909
18910         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
18911         propagate addresses of array references.
18912
18913 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
18914
18915         * regmove.c (perhaps_ends_bb_p): Remove.
18916         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
18917         from INSN and check that the main loop stays within that basic block.
18918         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
18919         (regmove_forward_pass): Split out from regmove_optimize.  Use
18920         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
18921         (regmove_backward_pass): Split out from regmove_optimize.  Use
18922         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
18923         (regmove_optimize): Simplify.
18924
18925 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
18926
18927         PR target/39545
18928         * config/i386/i386.c (classify_argument): Ignore flexible array
18929         member in struct and warn ABI change.
18930
18931 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
18932
18933         * config/i386/i386-protos.h (ix86_agi_dependent): New.
18934
18935         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
18936         (ix86_adjust_cost): Updated.
18937
18938 2009-03-29  Jan Hubicka  <jh@suse.cz>
18939
18940         PR middle-end/28850
18941         * tree-pass.h (pass_cleanup_eh): New function.
18942         (remove_unreachable_regions): Break code handling RTL
18943         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
18944         that can not be reached by runtime.
18945         (can_be_reached_by_runtime): New function.
18946         (label_to_region_map): New function.
18947         (num_eh_regions): New function.
18948         (rtl_remove_unreachable_regions): New function.
18949         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
18950         (remove_eh_region): New function.
18951         * except.h: Include sbitmap and vecprim.
18952         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
18953         num_eh_regions): Declare.
18954         * passes.c (init_optimization_passes): Schedule cleanup_eh.
18955         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
18956         * tree-eh.c (tree_remove_unreachable_handlers): New function.
18957         (tree_empty_eh_handler_p): New function.
18958         (cleanup_empty_eh): New function.
18959         (cleanup_eh): New function.
18960         (pass_cleanup_eh): New function.
18961
18962 2009-03-29  Jan Hubicka  <jh@suse.cz>
18963
18964         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
18965         for removed regions.
18966
18967 2009-03-29  Jan Hubicka  <jh@suse.cz>
18968
18969         * except.c (dump_eh_tree): Dump all datastructures.
18970
18971 2009-03-29  Jan Hubicka  <jh@suse.cz>
18972
18973         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
18974         (duplicate_eh_regions_1): Likewise.
18975         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
18976         vector; call EH verification.
18977         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
18978         Be ready for region being removed.
18979
18980 2009-03-29  Jan Hubicka  <jh@suse.cz>
18981
18982         * bitmap.c (bitmap_last_set_bit): New function.
18983         * bitmap.h (bitmap_last_set_bit): Declare.
18984
18985 2009-03-29  David Ayers  <ayers@fsfe.org>
18986
18987         PR objc/27377
18988         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
18989         by calling objc_compare_types and surpress warnings about
18990         incompatible C pointers that are compatible ObjC pointers.
18991
18992 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
18993
18994         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
18995         call initialize_inline_failed.
18996         (initialize_inline_failed): Move it from here ...
18997         * cgraph.c (initialize_inline_failed): ... to here.
18998         (cgraph_create_edge): Call initialize_inline_failed rather than
18999         setting inline_failed directly.
19000
19001 2009-03-29  Ben Elliston  <bje@au.ibm.com>
19002
19003         PR target/32542
19004         * sysv4.opt (msdata): Improve comment.
19005         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
19006         * sysv4.h (SVR4_ASM_SPEC): Likewise.
19007
19008 2009-03-29  Ben Elliston  <bje@au.ibm.com>
19009
19010         PR target/30451
19011         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
19012         load and store attributes.
19013
19014 2009-03-29  Ben Elliston  <bje@au.ibm.com>
19015
19016         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
19017         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
19018         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
19019         * doc/extend.texi (X86 Built-in Functions): Add index entries for
19020         __builtin_infq and __builtin_huge_valq.
19021
19022 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
19023
19024         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
19025         atmega8m1 devices.
19026         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
19027         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
19028
19029 2009-03-28  Xinliang David Li  <davidxl@google.com>
19030
19031         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
19032         (do_dbg_cnt): New function.
19033
19034 2009-03-28  Jan Hubicka  <jh@suse.cz>
19035
19036         Merge from pretty-ipa:
19037
19038         2009-03-27  Jan Hubicka  <jh@suse.cz>
19039
19040         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
19041         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
19042         * passes.c (function_called_by_processed_nodes_p): New.
19043         * ipa-pure-const.c (check_call): Fix handling of operands.
19044         (analyze_function): Dump debug output for skipped bodies.
19045         (local_pure_const): Use function_called_by_processed_nodes_p.
19046         * dwarf2out.c (reference_to_unused): Use output.
19047         * passes.c (do_per_function_toporder): Likewise.
19048
19049         2008-11-12  Jan Hubicka  <jh@suse.cz>
19050
19051         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
19052         * ipa-pure-const.c (funct_state_d): Add can throw field; make
19053         state_set_in_source enum
19054         (check_decl): Ignore memory tags; do not set fake looping flags;
19055         dump diagnostics.
19056         (check_operand, check_tree, check_rhs_var, check_lhs_var,
19057         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
19058         (check_call, analyze_function): Rewrite.
19059         (check_stmt): New.
19060         (add_new_function): Update call of analyze_function.
19061         (generate_summary): Add call of analyze_function.
19062         (propagate): Propagate can_throw; handle state_set_in_source correctly.
19063         (local_pure_const): New function.
19064         (pass_local_pure_const): New pass.
19065         * ipa-inline.c (inline_transform): Set after_inlining.
19066         * tree-eh.c (stmt_can_throw_external): New.
19067         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
19068         work with aliasing built.
19069         * tree-flow.h (stmt_can_throw_external): New.
19070         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
19071         and local pure/const pass in early and late optimization queue.
19072
19073 2009-03-28  Martin Jambor  <mjambor@suse.cz>
19074
19075         * fold-const.c (get_pointer_modulus_and_residue): New parameter
19076         allow_func_align.
19077         (fold_binary): Allow function decl aligment consideration is the
19078         second argument is integer constant one.
19079         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
19080         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
19081         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
19082
19083 2009-03-28  Jan Hubicka  <jh@suse.cz>
19084
19085         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
19086         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
19087         * function.h (rtl_data): Add nothrow flag.
19088         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
19089         set DECL_NOTHROW for AVAILABLE functions.
19090
19091 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
19092
19093         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
19094         following vector keyword has expansion starting with pixel or bool
19095         keyword, expand vector to __vector and pixel or bool to __pixel or
19096         __bool.
19097
19098         PR c++/39554
19099         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
19100         warn_if_disallowed_function_p): Removed.
19101         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
19102         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
19103         warning_if_disallowed_function_p.
19104         * flags.h (warn_if_disallowed_function_p,
19105         warn_disallowed_functions): Removed.
19106         * common.opt (Wdisallowed-function-list=): Removed.
19107         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
19108
19109 2009-03-28  Richard Guenther  <rguenther@suse.de>
19110
19111         PR tree-optimization/38723
19112         * tree-ssa-pre.c (compute_avail): Add all default definitions to
19113         the entry block.
19114
19115 2009-03-28  Jan Hubicka  <jh@suse.cz>
19116
19117         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
19118         test introduced by my previous patch.
19119
19120 2009-03-28  Richard Guenther  <rguenther@suse.de>
19121
19122         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
19123         the PHIs value undefined.
19124
19125 2009-03-28  Jan Hubicka  <jh@suse.cz>
19126
19127         * tree-pass.h (pass_fixup_cfg): New pass.
19128         * ipa-inline.c (inline_transform): Set
19129         always_inline_functions_inlined/after_inlining.
19130         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
19131         (pass_fixup_cfg): New pass.
19132         * passes.c (init_optimization_passes): Add fixup_cfg.
19133
19134 2009-03-28  Richard Guenther  <rguenther@suse.de>
19135
19136         PR tree-optimization/38458
19137         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
19138         argument use the arguments copy-of value.
19139
19140 2009-03-28  Richard Guenther  <rguenther@suse.de>
19141
19142         PR tree-optimization/38180
19143         * tree-ssa-ccp.c (get_default_value): Simplify.
19144         (likely_value): Likewise.
19145         (surely_varying_stmt_p): Properly handle VOP case.
19146         (ccp_initialize): Likewise.
19147         (ccp_fold): Handle propagating through *&.
19148         (fold_const_aggregate_ref): Also handle decls.
19149
19150 2009-03-28  Jan Hubicka  <jh@suse.cz>
19151
19152         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
19153         * cgraph.h (cgraph_node): Likewise.
19154         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
19155         (cgraph_reset_node): Use process flag.
19156         (cgraph_mark_functions_to_output): Likewise.
19157         (cgraph_expand_function): Likewise.
19158         (cgraph_expand_all_functions): Likewise.
19159         (cgraph_output_in_order): Likewise.
19160         * dwarf2out.c (reference_to_unused): Likewise.
19161         * passes.c do_per_function_toporder): Likewise.
19162
19163 2009-03-28  Jan Hubicka  <jh@suse.cz>
19164
19165         Bring from lto-branch:
19166
19167         2008-09-03  Doug Kwan  <dougkwan@google.com>
19168
19169         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
19170         enums instead of reason strings.
19171         * cgraph.c (cgraph_create_edge): Same.
19172         (cgraph_inline_failed_string): New function.
19173         * cgraph.h (cgraph_inline_failed_t): New enum type.
19174         (cgraph_inline_failed_string): New prototype.
19175         (struct cgraph_edge): Change type of INLINED_FAILED from constant
19176         char pointer to cgraph_inline_failed_t.
19177         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
19178         (cgraph_default_inline_p): Ditto.
19179         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
19180         to cgraph_inline_failed_t pointer.
19181         * cif-code.def: New file.
19182         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
19183         reason string.
19184         (cgraph_check_inline_limits): Change type of REASON to pointer to
19185         cgraph_inline_failed_t.  Replace reason strings with enums.
19186         (cgraph_default_inline_p): Ditto.
19187         (cgraph_recursive_inlining_p): Ditto.
19188         (update_caller_keys): Change type of FAILED_REASON to
19189         cgraph_inline_failed_t.
19190         (cgraph_set_inline_failed): Change type of REASON to pointer to
19191         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
19192         convert enums to strings for text output.
19193         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
19194         to be of type cgraph_inline_failed_t.  Replace reason strings with
19195         enums.  Call cgraph_inline_failed_string to covert enums
19196         to strings for text output.
19197         (cgraph_decide_inlining): Replace reason strings with enums.
19198         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
19199         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
19200         for text output.
19201         * tree-inline.c (expand_call_inline): Change type of REASON
19202         to cgraph_inline_failed_t.  Replace reason strings with enums.
19203         Call cgraph_inline_failed_string for text output.
19204         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
19205         (cgraph.o): Ditto.
19206
19207 2009-03-28  Jan Hubicka  <jh@suse.cz>
19208
19209         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
19210         cgraph_clone_node): Remove master clone handling.
19211         (cgraph_is_master_clone, cgraph_master_clone): Remove.
19212         * cgraph.h (master_clone): Remove.
19213         (cgraph_is_master_clone, cgraph_master_clone): Remove.
19214         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
19215         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
19216
19217 2009-03-28  Jan Hubicka  <jh@suse.cz>
19218
19219         * cgraph.c (cgraph_function_body_availability): Functions declared
19220         inline are always safe to assume that it is not going to be replaced.
19221
19222 2009-03-28  Richard Guenther  <rguenther@suse.de>
19223
19224         PR tree-optimization/38513
19225         * tree-ssa-pre.c (eliminate): Remove redundant stores.
19226         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
19227         EXC_PTR_EXPR and FILTER_EXPR.
19228         (get_ref_from_reference_ops): Likewise.
19229
19230 2009-03-28  Richard Guenther  <rguenther@suse.de>
19231
19232         PR tree-optimization/38968
19233         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
19234         Use FLOOR_MOD_EXPR to compute misalignment.
19235
19236 2009-03-28  Richard Guenther  <rguenther@suse.de>
19237
19238         PR tree-optimization/37795
19239         * tree.h (combine_comparisons): Declare.
19240         * fold-const.c (combine_comparisons): Export.
19241         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
19242         comparisons.
19243         (ifcombine_iforif): Use combine_comparisons.
19244
19245 2009-03-28  Jan Hubicka  <jh@suse.cz>
19246
19247         * tree-eh.c (inlinable_call_p): New function.
19248         (make_eh_edges): Use it.
19249         (verify_eh_edges): Use it.
19250         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
19251         * except.c (reachable_next_level): Add inlinable_function argument
19252         (sjlj_find_directly_reachable_regions): Update.
19253         (add_reachable_handler): Do not set saw_any_handlers.
19254         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
19255         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
19256         Add new inlinable call parameter.
19257         (can_throw_internal, can_throw_external): Update.
19258         * except.h (can_throw_internal_1, can_throw_external_1,
19259         foreach_reachable_handler): Update declaration.
19260
19261 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
19262
19263         * config/arm/t-arm-coff, config/h8300/coff.h,
19264         config/i386/i386-aout.h, config/i386/i386-coff.h,
19265         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
19266         config/pdp11/2bsd.h, config/rs6000/aix41.h,
19267         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
19268         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
19269         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
19270         sys-types.h: Remove.
19271         * Makefile.in: Remove protoize and fixproto support and references
19272         in comments.
19273         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
19274         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
19275         Remove.
19276         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
19277         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
19278         unprotoize$(exeext).
19279         (rest.encap): Don't depend on $(STMP_FIXPROTO)
19280         (.PHONY): Don't depend on proto.
19281         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
19282         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
19283         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
19284         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
19285         build/gen-protos.o, build/scan.o, xsys-protos.h,
19286         build/fix-header$(build_exeext), build/fix-header.o,
19287         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
19288         stmp-install-fixproto): Remove.
19289         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
19290         SYSCALLS.c or fixproto files.
19291         (install-common): Don't install protoize.
19292         (install-headers-tar, install-headers-cpio, install-headers-cp):
19293         Don't depend on $(STMP_FIXPROTO).
19294         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
19295         install fixproto files or write out fixproto settings.
19296         (uninstall): Don't uninstall protoize.
19297         * config.gcc (use_fixproto): Remove.
19298         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
19299         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
19300         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
19301         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
19302         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
19303         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
19304         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
19305         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
19306         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
19307         * config/t-vxworks (STMP_FIXPROTO): Remove.
19308         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
19309         STMP_FIXPROTO): Remove.
19310         * config.in, configure: Regenerate.
19311         * crtstuff.c (gid_t, uid_t): Don't undefine.
19312         * doc/install.texi: Change m68k-coff to m68k-elf in example.
19313         (arm-*-coff, arm-*-aout: Remove target entries.
19314         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
19315         Remove mention of AIX 4.1.
19316         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
19317         * doc/invoke.texi (Running Protoize): Remove.
19318         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
19319         (Protoize Caveats): Remove.
19320         * tsystem.h: Update comments on headers assumed to exist.
19321
19322 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
19323
19324         * genautomata.c: Add a new year to the copyright.  Add a new
19325         reference.
19326         (struct insn_reserv_decl): Add comments for member bypass_list.
19327         (find_bypass): Remove.
19328         (insert_bypass): New.
19329         (process_decls): Use insert_bypass.
19330         (output_internal_insn_latency_func): Output all bypasses with the
19331         same input insn in one switch case.
19332
19333         * rtl.def (define_bypass): Describe bypass choice.
19334         * doc/md.texi (define_bypass): Ditto.
19335
19336 2009-03-27  Richard Guenther  <rguenther@suse.de>
19337
19338         * gimplify.c (mark_addressable): Export.
19339         * tree-flow.h (mark_addressable): Declare.
19340         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
19341         * tree-ssa.c (verify_phi_args): Verify that address taken
19342         variables have TREE_ADDRESSABLE set.
19343
19344 2009-03-27  Richard Guenther  <rguenther@suse.de>
19345
19346         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
19347         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
19348         Do not mark decls TREE_ADDRESSABLE.
19349         (build_fold_addr_expr): Adjust.
19350         (fold_addr_expr): Remove.
19351         (fold_unary): Use build_fold_addr_expr.
19352         (fold_comparison): Likewise.
19353         (split_address_to_core_and_offset): Likewise.
19354         * coverage.c (tree_coverage_counter_addr): Mark the array decl
19355         TREE_ADDRESSABLE.
19356         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
19357         (gimplify_modify_expr_to_memcpy): Mark source and destination
19358         addressable.
19359         * omp-low.c (create_omp_child_function): Mark the object decl
19360         TREE_ADDRESSABLE.
19361         (lower_rec_input_clauses): Mark the var we take the address of
19362         TREE_ADDRESSABLE.
19363         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
19364
19365 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
19366
19367         PR middle-end/39315
19368         * cfgexpand.c (expand_one_stack_var_at): Change alignment
19369         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
19370
19371 2009-03-27  Richard Guenther  <rguenther@suse.de>
19372
19373         PR tree-optimization/39120
19374         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
19375         constraints.
19376         (handle_lhs_call): Process return constraints.  Add escape
19377         constraints if necessary.
19378         (handle_const_call): Fill out return constraints.  Make nested
19379         case more precise.  Avoid consttmp if possible.
19380         (handle_pure_call): Fill out return constraints.  Avoid
19381         callused if possible.
19382         (find_func_aliases): Simplify call handling.
19383
19384 2009-03-27  Richard Guenther  <rguenther@suse.de>
19385
19386         PR tree-optimization/39120
19387         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
19388         as a representative.
19389         (solve_graph): Do propagate CALLUSED.
19390         (handle_pure_call): Use a scalar constraint from CALLUSED for
19391         the return value.
19392         (find_what_p_points_to): CALLUSED shall not appear in poins-to
19393         solutions.
19394
19395 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
19396
19397         PR c/39323
19398         * c-common.c (handle_aligned_attribute): Properly check alignment
19399         overflow.  Use (1U << i) instead of (1 << i).
19400
19401         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
19402
19403         * expr.h (get_mem_align_offset): Updated.
19404
19405         * tree.h (tree_decl_common): Change align to "unsigned int" and
19406         move it before pointer_alias_set.
19407
19408 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
19409             Jakub Jelinek  <jakub@redhat.com>
19410
19411         PR target/38034
19412         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
19413         gr_register_operand with gr_reg_or_0_operand.
19414         (cmpxchg_rel_di): Likewise.
19415         (sync_lock_test_and_set<mode>): Likewise.
19416
19417 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
19418
19419         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
19420         (true_regnum): Likewise.
19421
19422         * rtlanal.c (subreg_info): Moved to ...
19423         * rtl.h (subreg_info): Here.  New.
19424         (subreg_get_info): New.
19425
19426         * rtlanal.c (subreg_get_info): Make it extern.
19427
19428 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
19429
19430         PR target/39472
19431         * config/i386/i386.c (ix86_abi): New.
19432         (override_options): Handle -mabi=.
19433         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
19434         (ix86_call_abi_override): Likewise.
19435         (init_cumulative_args): Likewise.
19436         (function_arg_advance): Likewise.
19437         (function_arg_64): Likewise.
19438         (function_arg): Likewise.
19439         (ix86_pass_by_reference): Likewise.
19440         (ix86_function_value_regno_p): Likewise.
19441         (ix86_build_builtin_va_list_abi): Likewise.
19442         (setup_incoming_varargs_64): Likewise.
19443         (is_va_list_char_pointer): Likewise.
19444         (ix86_init_machine_status): Likewise.
19445         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
19446         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
19447         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
19448         (ix86_function_abi): Make it static and return enum calling_abi.
19449         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
19450         with ix86_abi.
19451         (ix86_fn_abi_va_list): Updated.
19452
19453         * config/i386/i386.h (ix86_abi): New.
19454         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
19455         (CONDITIONAL_REGISTER_USAGE): Likewise.
19456         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
19457         (machine_function): Likewise.
19458
19459         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
19460         with ix86_abi.
19461         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
19462         (STACK_BOUNDARY): Likewise.
19463         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
19464
19465         * config/i386/i386.opt (mabi=): New.
19466
19467         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
19468         return enum calling_abi.
19469         (ix86_function_type_abi): Likewise.
19470         (ix86_function_abi): Removed.
19471
19472         * doc/invoke.texi: Document -mabi= option for x86.
19473
19474 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
19475
19476         * builtins.c (real_dconstp): Delete.
19477         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
19478
19479 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
19480             Jakub Jelinek  <jakub@redhat.com>
19481
19482         PR debug/37959
19483         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
19484         (gen_subprogram_die): When a function is explicit, generate the
19485         DW_AT_explicit attribute.
19486         * langhooks.h (struct lang_hooks_for_decls): Add
19487         function_decl_explicit_p langhook.
19488         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
19489         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
19490
19491 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
19492
19493         * builtins.c (fold_builtin_memory_op): Optimize memmove
19494         into memcpy if we can prove source and destination don't overlap.
19495
19496         * tree-inline.c: Include gt-tree-inline.h.
19497         (clone_fn_id_num): New variable.
19498         (clone_function_name): New function.
19499         (tree_function_versioning): Use it.
19500         * Makefile.in (GTFILES): Add tree-inline.c.
19501
19502 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
19503
19504         * BASE-VER: Change to 4.5.0.
19505
19506 2009-03-27  Xinliang David Li  <davidxl@google.com>
19507
19508         PR tree-optimization/39557
19509         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
19510
19511 2009-03-27  Xinliang David Li  <davidxl@google.com>
19512
19513         PR tree-optimization/39548
19514         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
19515         candidate check.
19516
19517 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
19518
19519         * c-common.c (pointer_int_sum): Use %wd on return from
19520         tree_low_cst.
19521
19522 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
19523
19524         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
19525         on return from tree_low_cst.
19526
19527 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
19528
19529         PR c++/36799
19530         * ginclude/stdarg.h (va_copy): Define also for
19531         __GXX_EXPERIMENTAL_CXX0X__.
19532
19533 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19534
19535         PR c++/35652
19536         * builtins.h (c_strlen): Do not warn here.
19537         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
19538         * c-common.c (pointer_int_sum): Take an explicit location.
19539         Warn about offsets out of bounds.
19540         * c-common.h (pointer_int_sum): Adjust declaration.
19541
19542 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19543
19544         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
19545         markup glitch.
19546
19547 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
19548
19549         PR c++/39554
19550         * opts.c (warn_if_disallowed_function_p): Don't assume
19551         get_callee_fndecl must return non-NULL.
19552
19553 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
19554
19555         PR rtl-optimization/39522
19556         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
19557         when reg_reloaded_valid is set.
19558
19559 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
19560
19561         * config/spu/divv2df3.c: New file.
19562         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
19563         (DPBIT_FUNCS): Filter out _div_df.
19564
19565 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
19566
19567         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
19568         a jump insn, count that jump in the distance to the loop start.
19569
19570 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
19571
19572         PR target/39523
19573         * config/sh/sh.c (calc_live_regs): Fix condition for global
19574         registers except PIC_OFFSET_TABLE_REGNUM.
19575
19576 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
19577
19578         PR/39518
19579         * doc/invoke.texi (-mconsole): New.
19580         (-mcygwin): New.
19581         (-mno-cygwin): New.
19582         (-mdll): New.
19583         (-mnop-fun-dllimport): New.
19584         (-mthread): New.
19585         (-mwin32): New.
19586         (-mwindows): New.
19587         (sub section "i386 and x86-64 Windows Options"): New.
19588
19589 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
19590
19591         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
19592         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
19593
19594 2009-03-25  Richard Guenther  <rguenther@suse.de>
19595
19596         PR middle-end/39497
19597         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
19598         of -Wno-error.
19599
19600 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
19601
19602         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
19603         neither of haifa/selective schedulers are working.
19604
19605 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19606
19607         * doc/invoke.texi (Debugging Options): Fix description of
19608         -fno-merge-debug-strings.
19609
19610 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
19611
19612         * config/cris/libgcc.ver: New version-script.
19613         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
19614
19615         * configure.ac <GAS features, nop mnemonic>: Add pattern
19616         crisv32-*-* for "nop".
19617         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
19618         * configure: Regenerate.
19619
19620 2009-03-24  Ira Rosen  <irar@il.ibm.com>
19621
19622         PR tree-optimization/39529
19623         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
19624         mark_sym_for_renaming for the tag copied to the new vector
19625         pointer.
19626
19627 2009-03-24  Arthur Loiret  <aloiret@debian.org>
19628
19629         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
19630         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
19631         EXTRA_SPEC_FUNCTIONS.
19632         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
19633         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
19634         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
19635         -march and -mtune options.
19636
19637 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
19638
19639         * config/m68k/t-rtems: Add m5329 multilib.
19640
19641 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
19642             Jakub Jelinek  <jakub@redhat.com>
19643
19644         PR debug/39524
19645         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
19646         nodes.
19647
19648 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
19649
19650         PR c/39495
19651         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
19652         instead of c_parser_expression_conv, if original_code isn't one of the
19653         4 allowed comparison codes, fail.
19654
19655 2009-03-23  Richard Guenther  <rguenther@suse.de>
19656
19657         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
19658         * tree.h (struct tree_type): Likewise.
19659         * reload.h (struct insn_chain): Likewise.
19660         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
19661         * function.h (struct function): Likewise.
19662         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
19663
19664 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
19665
19666         PR tree-optimization/39516
19667         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
19668
19669 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
19670
19671         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
19672         should be set true if BITS_PER_WORD of target is bigger than 32
19673
19674 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
19675
19676         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
19677         Translate -B-options to -rpath-link.  Correct existing
19678         rpath-link and conditionalize on !nostdlib.
19679
19680 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19681
19682         * doc/extend.texi (Function Attributes, Variable Attributes):
19683         Fix typos.
19684         * doc/invoke.texi (Debugging Options, Optimize Options)
19685         (i386 and x86-64 Options, MCore Options): Likewise.
19686
19687 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
19688
19689         PR debug/37890
19690         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
19691         it for block local namespace aliases.
19692         (gen_decl_die): Pass context_die to gen_namespace_die.
19693
19694 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
19695
19696         PR c/39495
19697         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
19698         minimum or maximum value.
19699
19700 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
19701
19702         * reginfo.c (globalize_reg): Recompute derived reg sets.
19703
19704 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
19705
19706         PR target/39063
19707         * libgcc2.c (mprotect): Do not use signed arguments for
19708         VirtualProtect, use DWORD arguments.  Also fix the 'may
19709         be used uninitialized' warning for the np variable.
19710
19711 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
19712
19713         PR target/39496
19714         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
19715         functions using regparm calling conventions when not optimizing.
19716         (ix86_function_sseregparm): Similarly for sseregparm calling
19717         conventions.
19718
19719 2009-03-19  Li Feng  <nemokingdom@gmail.com>
19720
19721         PR middle-end/39500
19722         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
19723         dependence if the first conflict is after niter iterations.
19724
19725 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
19726
19727         PR middle-end/38609
19728         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
19729         functions with dynamic stack-pointer adjustments.
19730
19731 2009-03-19  Ben Elliston  <bje@au.ibm.com>
19732
19733         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
19734         option; change to -msdata=data.
19735
19736 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19737
19738         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
19739         and -fopenmp.
19740
19741 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
19742
19743         PR target/35180
19744         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
19745
19746 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
19747
19748         * doc/invoke.texi (Code Gen Options): Expand discussion of
19749         -fno-common.
19750
19751 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
19752
19753         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
19754         * matrix-reorg.c (struct matrix_info): Likewise.
19755         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
19756         * rtl.h (struct mem_attrs): Likewise.
19757         * df.h (struct df): Likewise.
19758         * tree-data-ref.h (struct data_dependence_relation): Likewise.
19759         * ira-int.h (struct ira_allocno): Likewise.
19760         * df-scan.c (struct df_collection_rec): Likewise.
19761         * ira.c (struct equivalence): Likewise.
19762         * function.c (struct temp_slot): Likewise.
19763         * cfgloop.h (struct loop): Likewise.
19764
19765         PR debug/39485
19766         * function.c (use_register_for_decl): When not optimizing, disregard
19767         register keyword for variables with types containing methods.
19768
19769 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
19770
19771         PR middle-end/39447
19772         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
19773         (is_simple_operand): Call contains_component_ref_p before calling data
19774         reference analysis that would fail on COMPONENT_REFs.
19775
19776         * tree-vrp.c (search_for_addr_array): Fix formatting.
19777
19778 2009-03-18  Richard Guenther  <rguenther@suse.de>
19779
19780         * tree-vect-transform.c (vect_loop_versioning): Fold the
19781         generated comparisons.
19782         * tree-vectorizer.c (set_prologue_iterations): Likewise.
19783         (slpeel_tree_peel_loop_to_edge): Likewise.
19784
19785 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19786
19787         PR middle-end/37805
19788         * opts.c (print_specific_help): In addition to `undocumented',
19789         accept `separate' and `joined' flags if passed alone.  Describe
19790         output by the first matched one of those.
19791         (common_handle_option): Skip over empty strings.
19792         * gcc.c (display_help): Fix help string for `--help='.
19793         * doc/invoke.texi (Option Summary, Overall Options): With
19794         `--help=', classes and qualifiers can both be repeated, but
19795         only the latter can be negated.  One should not pass only
19796         negated qualifiers.  Fix markup and examples.
19797
19798         Revert
19799         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
19800         PR middle-end/37805
19801         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
19802         and -fhelp=separate.
19803
19804 2009-03-17  Jing Yu  <jingyu@google.com>
19805
19806         PR middle-end/39378
19807         * function.h (struct rtl_data): Move is_thunk from here...
19808         (struct function): ...to here.
19809         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
19810         * varasm.c (assemble_start_function): Change is_thunk from crtl to
19811         cfun.
19812         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
19813         cfun.
19814         (alpha_does_function_need_gp, alpha_start_function): Likewise.
19815         (alpha_output_function_end_prologue): Likewise.
19816         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
19817         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
19818         (rs6000_output_function_epilogue): Likewise.
19819         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
19820
19821 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
19822
19823         PR target/39482
19824         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
19825         from different units in a single alternative.
19826         (*truncdfsf_i387): Ditto.
19827         (*truncxfsf2_mixed): Ditto.
19828         (*truncxfdf2_mixed): Ditto.
19829
19830 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
19831
19832         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
19833         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
19834
19835         PR debug/39474
19836         * tree-ssa-live.c (remove_unused_locals): Don't remove local
19837         unused non-artificial variables when not optimizing.
19838
19839         PR debug/39471
19840         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
19841         DW_TAG_imported_module even if decl is IMPORTED_DECL with
19842         NAMESPACE_DECL in its DECL_INITIAL.
19843
19844         PR middle-end/39443
19845         * optabs.c (set_user_assembler_libfunc): New function.
19846         * expr.h (set_user_assembler_libfunc): New prototype.
19847         * c-common.c: Include libfuncs.h.
19848         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
19849         for memcmp, memset, memcpy, memmove and abort.
19850         * Makefile.in (c-common.o): Depend on libfuncs.h.
19851
19852         PR debug/39412
19853         * dwarf2out.c (gen_inlined_enumeration_type_die,
19854         gen_inlined_structure_type_die, gen_inlined_union_type_die,
19855         gen_tagged_type_instantiation_die): Removed.
19856         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
19857         do nothing.
19858
19859 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
19860
19861         PR testsuite/38526
19862         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
19863         its use.
19864         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
19865         (check-parallel-%): Ditto.
19866         (check-consistency): Ditto.
19867
19868 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
19869
19870         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
19871         local variable rhs by NULL_TREE.
19872
19873 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
19874
19875         PR target/39477
19876         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
19877
19878 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
19879
19880         PR target/39476
19881         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
19882
19883 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
19884
19885         PR target/39473
19886         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
19887         for ms->sysv ABI calls only in 64bit mode.
19888
19889         * config/i386/i386.md (untyped_call): Support 32bit.
19890
19891 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
19892
19893         * doc/extend.texi: Replace x86_65 with x86_64.
19894
19895 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
19896
19897         PR tree-optimization/39455
19898         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
19899         mismatches for POINTER_TYPE_P (type).
19900         (number_of_iterations_le): Likewise.
19901
19902 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
19903
19904         * config/picochip/picochip.c: Removed profiling support.
19905         * config/picochip/picochip.md: Removed profiling instruction.
19906         * config/picochip/picochip.h: Removed profiling builtin.
19907
19908 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
19909
19910         * doc/install.texi (--with-host-libstdcxx): Document.
19911
19912 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
19913
19914         PR target/34299
19915         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
19916         generate a warning if the function name does not begin with
19917         "__vector" and the function has either the 'signal' or 'interrupt'
19918         attribute, from here to ...
19919         (avr_declare_function_name): ...here. New function.
19920         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
19921         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
19922
19923 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
19924
19925         PR bootstrap/39454
19926         * cse.c (fold_rtx): Don't modify original const_arg1 when
19927         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
19928         separate variable instead.
19929         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
19930         from out of range shift counts.
19931         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
19932
19933 2009-03-13  Catherine Moore  <clm@codesourcery.com>
19934
19935         * config/i386/x-mingw32 (host-mingw32.o): Replace
19936         diagnostic.h with $(DIAGNOSTIC_H).
19937
19938 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
19939
19940         PR target/39431
19941         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
19942         predicate.
19943         * config/i386/sync.md (sync_compare_and_swap<mode>,
19944         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
19945         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
19946         into a register.
19947         (sync_double_compare_and_swapdi_pic,
19948         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
19949         cmpxchg8b_pic_memory_operand instead of just memory_operand.
19950
19951 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
19952
19953         PR target/39445
19954         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
19955
19956 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
19957
19958         PR target/39327
19959         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
19960         (avx_addsubv4df3): Likewise.
19961         (*avx_addsubv4sf3): Likewise.
19962         (sse3_addsubv4sf3): Likewise.
19963
19964 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
19965
19966         PR target/38824
19967         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
19968
19969 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
19970
19971         PR debug/39432
19972         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
19973         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
19974         registers for allocnos created from user-defined variables.
19975
19976 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
19977
19978         PR target/39181
19979         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
19980         of non-integer mode as well.
19981
19982 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
19983
19984         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
19985         for functions for which the parameter types are unknown.
19986
19987 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
19988
19989         PR target/39137
19990         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
19991         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
19992         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
19993         * config/i386/i386.c (ix86_local_alignment): For
19994         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
19995         long long variables on the stack to avoid dynamic realignment.
19996         Allow the first argument to be a decl rather than type.
19997         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
19998
19999 2009-03-11  Nick Clifton  <nickc@redhat.com>
20000
20001         PR target/5362
20002         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
20003         options.
20004         Add description to mno-lsim option.
20005         * config/mcore/mcore.h: Remove comment about deprecated m4align
20006         option.
20007         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
20008         * doc/invoke.texi: Add description of mno-lsim and
20009         mstack-increment options.
20010
20011         * config/fr30/fr30.opt: Document the -mno-lsim option.
20012         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
20013         and -mno-lsim options.
20014
20015 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
20016
20017         * fold-const.c (fold_comparison): Only call fold_inf_compare
20018         if the mode supports infinities.
20019
20020 2009-03-11  Jason Merrill  <jason@redhat.com>
20021
20022         PR debug/39086
20023         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
20024         end already did.  Notice GIMPLE_CALL modifications of the result.
20025         Don't copy debug information from an ignored decl or a decl from
20026         another function.
20027
20028 2009-03-10  Richard Guenther  <rguenther@suse.de>
20029             Nathan Froyd  <froydnj@codesourcery.com>
20030
20031         PR middle-end/37850
20032         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
20033         (__divMODE3): Likewise.
20034
20035 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
20036
20037         PR tree-optimization/39394
20038         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
20039         DECL_SIZE_UNIT of variable length FIELD_DECLs.
20040
20041 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
20042
20043         * recog.c (verfiy_changes): Disallow renaming of hard regs in
20044         inline asms for register asm ("") declarations.
20045
20046 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
20047
20048         * fold-const.c (fold_unary): Fix comment.
20049
20050 2009-03-07  Jan Hubicka  <jh@suse.cz>
20051
20052         PR target/39361
20053         * tree-inline.c (setup_one_parameter): Do replacement of const
20054         argument by constant in SSA form.
20055
20056 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
20057
20058         PR middle-end/38028
20059         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
20060         determine alignment passed to assign_stack_local.
20061         (assign_parms_unsplit_complex): Likewise.
20062         * except.c (sjlj_build_landing_pads): Likewise.
20063
20064 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
20065
20066         PR middle-end/39360
20067         * tree-flow.h (add_referenced_var): Return bool instead of void.
20068         * tree-dfa.c (add_referenced_var): Return result of
20069         referenced_var_check_and_insert call.
20070         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
20071         of referenced_var_check_and_insert.
20072
20073         PR debug/39372
20074         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
20075         (gen_variable_die): Emit DW_AT_location on abstract static variable's
20076         DIE, don't emit it if abstract origin already has it.
20077         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
20078         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
20079
20080 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
20081
20082         * genpreds.c (needs_variable): Fix parentheses at variable name
20083         detection.
20084         (write_tm_constrs_h): Indent generated code.
20085
20086 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
20087
20088         * doc/extend.texi (Function Attributes): Add documentation
20089         for isr attributes.
20090
20091 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
20092
20093         PR debug/39387
20094         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
20095         take locus from its DECL_SOURCE_LOCATION instead of input_location.
20096
20097 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
20098
20099         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
20100         the loop as bad.
20101
20102 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
20103
20104         PR debug/39379
20105         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
20106         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
20107
20108 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
20109
20110         * config/i386/i386.md (R8_REG, R9_REG): New constants.
20111         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
20112         constants instead of magic numbers.
20113         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
20114         (QI_REG_P): Ditto.
20115         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
20116         (x86_64_ms_abi_int_parameter_registers): Ditto.
20117         (x86_64_int_return_registers): Ditto.
20118         (ix86_maybe_switch_abi): Ditto.
20119         (ix86_expand_call): Ditto for clobbered_registers array.
20120         (ix86_hard_regno_mode_ok): Ditto.
20121         (x86_extended_QIreg_mentioned_p): Ditto.
20122
20123 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
20124
20125         PR tree-optimization/39349
20126         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
20127
20128         * combine.c (gen_lowpart_for_combine): Use omode when generating
20129         clobber.
20130
20131 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
20132
20133         PR rtl-optimization/39235
20134         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
20135
20136 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
20137
20138         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
20139
20140 2009-03-04  Richard Guenther  <rguenther@suse.de>
20141
20142         PR tree-optimization/39362
20143         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
20144         that occur in abnormal PHIs should be varying.
20145
20146 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
20147
20148         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
20149         Extend comments.
20150         (simple_iv):  Take loop as an argument instead of statement.
20151         * tree-scalar-evolution.h (simple_iv): Declaration changed.
20152         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
20153         to simple_iv.
20154         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
20155         Ditto.
20156         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
20157         * matrix-reorg.c (analyze_transpose): Ditto.
20158         * tree-data-ref.c (dr_analyze_innermost): Ditto.
20159         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
20160         * tree-predcom.c (ref_at_iteration): Ditto.
20161         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
20162
20163 2009-03-04  Richard Guenther  <rguenther@suse.de>
20164
20165         PR tree-optimization/39358
20166         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
20167         escaped_id and callused_id.
20168         (solve_graph): Likewise.
20169
20170 2009-03-04  Richard Guenther  <rguenther@suse.de>
20171
20172         PR tree-optimization/39339
20173         * tree-sra.c (try_instantiate_multiple_fields): Make it
20174         no longer ICE on the above.
20175
20176 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
20177
20178         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
20179         that fits within Pmode.
20180
20181 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
20182
20183         PR middle-end/10109
20184         * tm.texi (LIBCALL_VALUE): Update description.
20185
20186 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
20187
20188         PR middle-end/34443
20189         * doc/extend.texi (section): Update description.
20190
20191 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
20192
20193         PR middle-end/39345
20194         * tree-inline.c (remapped_type): New.
20195         (can_be_nonlocal): Call remapped_type instead of remap_type.
20196
20197 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
20198
20199         PR fortran/39354
20200         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
20201         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
20202
20203 2009-03-03  Richard Guenther  <rguenther@suse.de>
20204
20205         PR middle-end/39272
20206         * tree.c (tree_nonartificial_location): New function.
20207         * tree.h (tree_nonartificial_location): Declare.
20208         * builtins.c (expand_builtin_memory_chk): Provide location
20209         of the call location for artificial function pieces.
20210         (maybe_emit_chk_warning): Likewise.
20211         (maybe_emit_sprintf_chk_warning): Likewise.
20212         (maybe_emit_free_warning): Likewise.
20213         * expr.c (expand_expr_real_1): Likewise.
20214
20215 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
20216
20217         PR tree-optimization/39343
20218         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
20219         COMPONENT_REF t has ARRAY_TYPE.
20220
20221 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
20222
20223         PR middle-end/39335
20224         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
20225         when the type precision of the induction variable should be
20226         larger than the type precision of nit.
20227         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
20228         * graphite.c (graphite_loop_normal_form): Same.
20229         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
20230
20231 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
20232
20233         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
20234         (*call_1_rex64_ms_sysv): Use named constants instead of magic
20235         numbers to describe clobbered registers.
20236         (*call_value_0_rex64_ms_sysv): Ditto.
20237         * config/i386/mmx.md (mmx_emms): Ditto.
20238         (mmx_femms): Ditto.
20239
20240 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
20241
20242         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
20243         of ABI_64.
20244
20245 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
20246
20247         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
20248         (spu_section_type_flags): New function.
20249
20250 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
20251
20252         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
20253         reg_class_contents of FLOAT_REGS into a temporary.
20254
20255 2009-03-02  Richard Guenther  <rguenther@suse.de>
20256             Ira Rosen  <irar@il.ibm.com>
20257
20258         PR tree-optimization/39318
20259         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
20260         information to the vectorized statement.
20261
20262 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
20263
20264         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
20265         variable.  Use defined names instead of magic constants for REX SSE
20266         registers.
20267
20268 2009-03-01  Richard Guenther  <rguenther@suse.de>
20269
20270         PR tree-optimization/39331
20271         * omp-low.c (lower_send_shared_vars): Do not receive new
20272         values for the reference of DECL_BY_REFERENCE parms or results.
20273
20274 2009-03-01  Jan Hubicka  <jh@suse.cz>
20275
20276         PR debug/39267
20277         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
20278         BLOCK_NONLOCALIZED_VAR): New macros.
20279         (tree_block): Add nonlocalized_vars.
20280         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
20281         gen_decl_die): Add origin argument.  Allow generation of die with
20282         origin at hand only.
20283         (gen_member_die, gen_type_die_with_usage, force_decl_die,
20284         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
20285         of gen_*.
20286         (gen_block_die): Fix checking for unused blocks.
20287         (process_scope_var): Break out from .... ; work with origins only.
20288         (decls_for_scope) ... here; process nonlocalized list.
20289         (dwarf2out_ignore_block): Look for nonlocalized vars.
20290         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
20291         vars.
20292         (dump_scope_block): Dump them.
20293         * tree-inline.c (remap_decls): Handle nonlocalized vars.
20294         (remap_block): Likewise.
20295         (can_be_nonlocal): New predicate.
20296         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
20297
20298 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
20299
20300         * configure: Regenerate.
20301
20302 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
20303
20304         * optc-gen.awk: No need to duplicate option flags twice.
20305         Reuse help texts for duplicate options which do not have any.
20306
20307         * gcc.c (display_help): Document --version.
20308
20309         * gcc.c (main): If print_help_list and verbose_flag, ensure
20310         driver output comes before subprocess output.
20311
20312         * optc-gen.awk: Assign all remaining fields to help string,
20313         space-separated, for multi-line help in *.opt.
20314
20315         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
20316         -Wno-pedantic-ms-format is for MinGW targets only.
20317
20318         * doc/options.texi (Option file format): Fix bad indentation,
20319         restoring dropped sentence.
20320
20321 2009-02-28  Jan Hubicka  <jh@suse.cz>
20322
20323         * tree-inline.c (tree_function_versioning): Output debug info.
20324
20325 2009-02-28  Jan Hubicka  <jh@suse.cz>
20326
20327         PR debug/39267
20328         * tree-inline.c (setup_one_parameter): Do not copy propagate
20329         arguments when not optimizing.
20330
20331 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
20332
20333         PR target/39327
20334         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
20335         (avx_addsubv4df3): Likewise.
20336         (*avx_addsubv4sf3): Likewise.
20337         (sse3_addsubv4sf3): Likewise.
20338         (*avx_addsubv2df3): Likewise.
20339         (sse3_addsubv2df3): Likewise.
20340         (avx_unpckhps256): Correct item selectors.
20341         (avx_unpcklps256): Likewise.
20342         (avx_unpckhpd256): Likewise.
20343         (avx_unpcklpd256): Likewise.
20344
20345 2009-02-28  Jan Hubicka  <jh@suse.cz>
20346
20347         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
20348         static vars.
20349         (copy_arguments_for_versioning): If var is declared don't declare it.
20350         (tree_function_versioning): First setup substitutions and then copy
20351         args.
20352
20353 2009-02-27  Jan Hubicka  <jh@suse.cz>
20354
20355         PR debug/39267
20356         * cgraph.h (varpool_output_debug_info): Remove.
20357         * cgraphunit.c (varpool_output_debug_info): Remove.
20358         * dwarf2out.c (deferred_locations_struct): New struct
20359         (deferred_locations): New type.
20360         (deferred_locations_list): New static var.
20361         (deffer_location): New function.
20362         (gen_variable_die): Use it.
20363         (decls_for_scope): Output info on local static vars.
20364         (dwarf2out_finish): Process deferred locations.
20365         * varpool.c (varpool_output_debug_info): Remove.
20366
20367 2009-02-27  Jan Hubicka  <jh@suse.cz>
20368
20369         PR debug/39267
20370         * tree.h (TREE_PROTECTED): Fix comment.
20371         (BLOCK_HANDLER_BLOCK): Remove.
20372         (struct tree_block): Remove handler_block add body_block.
20373         (inlined_function_outer_scope_p): New.
20374         (is_body_block): Remove.
20375         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
20376         * dwarf2out.c (is_inlined_entry_point): Remove.
20377         (add_high_low_attributes): Use inlined_function_outer_scope_p.
20378         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
20379         code.
20380         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
20381         * gimplify.c (gimplify_expr): Gimplify body blocks.
20382         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
20383         block with multiple subblocks.
20384         (dump_scope_block): Prettier output; dump more flags and info.
20385         (dump_scope_blocks): New.
20386         (remove_unused_locals): Use dump_scope_blocks.
20387         * tree-flow.h (dump_scope_blocks): Declare.
20388         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
20389         * stmt.c (is_body_block): Remove.
20390         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
20391         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
20392
20393 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
20394
20395         PR middle-end/39308
20396         * graphite.c (graphite_loop_normal_form): Do not call
20397         number_of_iterations_exit from a gcc_assert.
20398
20399 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
20400
20401         * config/s390/s390.c (s390_swap_cmp): Look for conditional
20402         jumps if COND is NULL.
20403         (find_cond_jump): New function.
20404         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
20405         * config/s390/s390.md: Remove z10_cobra attribute value.
20406
20407 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
20408
20409         * config/alpha/alpha.h (alpha_expand_mov): Return false if
20410         force_const_mem returns NULL_RTX.
20411
20412 2009-02-26  Jan Hubicka  <jh@suse.cz>
20413
20414         PR debug/39267
20415         * cgraph.h (varpool_output_debug_info): Remove.
20416         * cgraphunit.c (varpool_output_debug_info): Remove.
20417         * dwarf2out.c (deferred_locations_struct): New struct
20418         (deferred_locations): New type.
20419         (deferred_locations_list): New static var.
20420         (deffer_location): New function.
20421         (gen_variable_die): Use it.
20422         (decls_for_scope): Output info on local static vars.
20423         (dwarf2out_finish): Process deferred locations.
20424         * varpool.c (varpool_output_debug_info): Remove.
20425
20426 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
20427
20428         PR rtl-optimization/39241
20429         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
20430         to subreg_offset_representable_p.
20431
20432 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
20433
20434         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
20435         execute function prototype.  Get f and nregs from max_reg_num
20436         and get_insns.  Remove the first backward pass as it's dead,
20437         guard the forward pass by flag_expensive_optimizations.
20438         (rest_of_handle_regmove): Delete.
20439         (pass_regmove): Replace it with regmove_optimize.
20440
20441 2009-02-25  Martin Jambor  <mjambor@suse.cz>
20442
20443         PR tree-optimization/39259
20444         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
20445         calls_alloca function flags.
20446         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
20447         calls are detected.
20448
20449 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
20450
20451         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
20452         flags_set_1_rtx, flags_set_1_set): Delete.
20453         (regmove_optimize): Do not call mark_flags_life_zones.
20454
20455 2009-02-24  Julian Brown  <julian@codesourcery.com>
20456
20457         PR target/35965
20458         * config/arm/arm.c (require_pic_register): Only set
20459         cfun->machine->pic_reg once per function.
20460
20461 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
20462
20463         * doc/invoke.texi (Link Options): Document an easier way to pass
20464         options that take arguments to the GNU linker using -Xlinker and -Wl.
20465
20466 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
20467
20468         PR target/33785
20469         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
20470
20471 2009-02-24  Richard Guenther  <rguenther@suse.de>
20472
20473         PR debug/39285
20474         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
20475
20476 2009-02-24  Richard Guenther  <rguenther@suse.de>
20477             Zdenek Dvorak  <ook@ucw.cz>
20478
20479         PR tree-optimization/39233
20480         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
20481         from converting them to a generic type.
20482
20483 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
20484
20485         PR tree-optimization/39260
20486         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
20487         contains a condition with a real type.
20488         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
20489
20490 2009-02-23  Jason Merrill  <jason@redhat.com>
20491
20492         PR c++/38880
20493         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
20494         narrowing_initializer_constant_valid_p.
20495         (narrowing_initializer_constant_valid_p): Don't return
20496         null_pointer_node for adding a pointer to itself.
20497
20498 2009-02-23  Jan Hubicka  <jh@suse.cz>
20499
20500         PR c/12245
20501         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
20502         resizing.
20503
20504 2009-02-23  Jan Hubicka  <jh@suse.cz>
20505
20506         PR tree-optimization/37709
20507         * tree.c (block_ultimate_origin): Move here from dwarf2out.
20508         * tree.h (block_ultimate_origin): Declare.
20509         * dwarf2out.c (block_ultimate_origin): Move to tree.c
20510         * tree-ssa-live.c (remove_unused_scope_block_p):
20511         Eliminate blocks containig no instructions nor live variables nor
20512         nested blocks.
20513         (dump_scope_block): New function.
20514         (remove_unused_locals): Enable removal of dead blocks by default;
20515         enable dumping at TDF_DETAILS.
20516
20517 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
20518
20519         * config/i386/i386.c (classify_argument): Don't allow COImode
20520         and OImode.
20521         (function_arg_advance_32): Don't allow OImode.
20522         (function_arg_32): Likewise.
20523         (function_value_32): Likewise.
20524         (return_in_memory_32): Likewise.
20525         (function_arg_64): Remove OImode comment.
20526
20527 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
20528
20529         PR target/39261
20530         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
20531         ix86_expand_vector_set for V4DImode in 64bit mode only.
20532         (ix86_expand_vector_init_one_var): Likewise.
20533
20534 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
20535
20536         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
20537
20538 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
20539
20540         PR bootstrap/39257
20541         * loop-iv.c: Revert last change.
20542         * emit-rtl.c: Likewise.
20543
20544 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
20545
20546         PR target/39256
20547         * config/i386/i386.c (type_natural_mode): Remove an extra
20548         space in the warning message.
20549         (function_value_32): Handle 32-byte vector modes.
20550         (return_in_memory_32): Likewise.
20551
20552 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
20553
20554         * loop-iv.c (truncate_value): New function.
20555         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
20556         of lowpart_subreg.
20557         (lowpart_subreg): Move to...
20558         * emit-rtl.c: ...here.
20559
20560 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
20561
20562         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
20563         accidental and undocumented change at revision 140860.
20564
20565 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
20566
20567         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
20568         take gimple_seq * arguments.
20569         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
20570         types_compatible_p langhook.
20571
20572 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
20573             Joseph Myers  <joseph@codesourcery.com>
20574
20575         * config/arm/arm.c (arm_builtin_va_list): New function.
20576         (arm_expand_builtin_va_start): Likewise.
20577         (arm_gimplify_va_arg_expr): Likewise.
20578         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
20579         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
20580         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
20581         (va_list_type): New variable.
20582         (arm_mangle_type): Mangle va_list_type appropriately.
20583
20584 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
20585
20586         PR middle-end/39157
20587         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
20588         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
20589         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
20590         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
20591         parameter to 1000 for -O1 by default.
20592         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
20593         parameter.
20594         * loop-invariant.c: Include params.h.
20595         (move_loop_invariants): Don't call move_single_loop_invariants on
20596         very large loops.
20597
20598 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
20599
20600         * calls.c (emit_library_call_value_1): Use slot_offset instead of
20601         offset when calculating bounds for indexing stack_usage_map.  Fixes
20602         a buffer overflow with certain target setups.
20603
20604 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
20605
20606         PR target/39240
20607         * calls.c (expand_call): Clear try_tail_call if caller and callee
20608         disagree in promotion of function return value.
20609
20610 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
20611
20612         PR target/39175
20613         * c-common.c (c_determine_visibility): If visibility changed and
20614         DECL_RTL has been already set, call make_decl_rtl to update symbol
20615         flags.
20616
20617 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
20618
20619         PR c++/39188
20620         * varasm.c (assemble_variable): Don't check DECL_NAME when
20621         globalizing a variable.
20622
20623 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
20624
20625         PR c/38483
20626         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
20627         expression before any __builtin_trap call.
20628         * c-typeck.c (build_function_call): Convert and check function
20629         arguments before generating a call to a trap.  Evaluate the
20630         function arguments before the trap.
20631
20632 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
20633
20634         PR target/39228
20635         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
20636         (UNSPEC_FXAM_MEM): New unspec.
20637         (fxam<mode>2_i387_with_temp): New insn and split pattern.
20638         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
20639         memory using fxam<mode>2_i387_with_temp to remove excess precision.
20640
20641 2009-02-19  Richard Guenther  <rguenther@suse.de>
20642
20643         PR tree-optimization/39207
20644         PR tree-optimization/39074
20645         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
20646         storedanything_tree): New.
20647         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
20648         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
20649         (build_succ_graph): Add edges from STOREDANYTHING to all
20650         non-direct nodes.
20651         (init_base_vars): Initialize STOREDANYTHING.
20652         (compute_points_to_sets): Free substitution info after
20653         building the succ graph.
20654         (ipa_pta_execute): Likewise.
20655
20656         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
20657         field.
20658         (do_ds_constraint): Do not add to special var or non-pointer
20659         field solutions.
20660         (type_could_have_pointers): Split out from ...
20661         (could_have_pointers): ... here.  For arrays use the element type.
20662         (create_variable_info_for): Initialize may_have_pointers.
20663         (new_var_info): Likewise.
20664         (handle_lhs_call): Make the HEAP variable unknown-sized.
20665         (intra_create_variable_infos): Use a type with pointers for
20666         PARM_NOALIAS, make it unknown-sized.
20667
20668 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
20669
20670         PR target/39224
20671         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
20672
20673 2009-02-18  Jason Merrill  <jason@redhat.com>
20674
20675         PR target/39179
20676         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
20677         value if DECL_EXTERNAL.
20678         * tree-sra.c (sra_walk_gimple_assign): Likewise.
20679         * target.h (gcc_target::binds_local_p): Clarify "module".
20680         * tree.h (TREE_PUBLIC): Clarify "module".
20681
20682 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
20683
20684         PR target/38891
20685         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
20686         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
20687
20688 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
20689
20690         PR target/39082
20691         * c.opt (Wabi): Support C and ObjC.
20692         (Wpsabi): New.
20693
20694         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
20695
20696         * config/i386/i386.c (classify_argument): Warn once about the ABI
20697         change when passing union with long double.
20698
20699         * doc/invoke.texi: Update -Wabi for warning psABI changes.
20700
20701 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
20702
20703         PR c/35447
20704         * c-parser.c (c_parser_compound_statement): Always enter and leave
20705         a scope.
20706
20707 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20708
20709         PR target/34587
20710         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
20711
20712 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
20713
20714         PR tree-optimization/36922
20715         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
20716         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
20717         Likewise.
20718
20719 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
20720
20721         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
20722         to 0 for EABI64.
20723
20724 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
20725
20726         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
20727
20728 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
20729
20730         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
20731         tree sharing.
20732
20733 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
20734             Richard Sandiford  <rdsandiford@googlemail.com>
20735
20736         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
20737         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
20738         (loongson_biadd): ...this.
20739
20740 2009-02-17  Richard Guenther  <rguenther@suse.de>
20741
20742         PR tree-optimization/39202
20743         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
20744         a var make sure to follow existing collapses.
20745
20746 2009-02-17  Richard Guenther  <rguenther@suse.de>
20747
20748         PR middle-end/39214
20749         * langhooks.c (lhd_print_error_function): Check for NULL block.
20750
20751 2009-02-17  Richard Guenther  <rguenther@suse.de>
20752
20753         PR tree-optimization/39204
20754         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
20755         of the PHI arg.
20756
20757 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
20758
20759         * config/soft-fp/double.h: Update from glibc CVS.
20760
20761 2009-02-17  Richard Guenther  <rguenther@suse.de>
20762
20763         PR tree-optimization/39207
20764         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
20765         strict-aliasing warnings for pointers pointing to NULL.
20766
20767 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
20768
20769         PR c/35446
20770         * c-parser.c (c_parser_braced_init): Call pop_init_level when
20771         skipping until next close brace.
20772
20773 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
20774
20775         PR target/37049
20776         * config/i386/i386.c (ix86_expand_push): Set memory alignment
20777         to function argument boundary.
20778
20779 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
20780
20781         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
20782         in the lea_add. Reload eventually constraints it properly.
20783         * config/picochip/constraints.md: Remove the target constraint
20784         "b", since it is not needed anymore.
20785
20786 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
20787
20788         * gthr-dce.h: Uglify function parameter and local variable names.
20789         * gthr-gnat.h: Likewise.
20790         * gthr-mipssde.h: Likewise.
20791         * gthr-nks.h: Likewise.
20792         * gthr-posix95.h: Likewise.
20793         * gthr-posix.h: Likewise.
20794         * gthr-rtems.h: Likewise.
20795         * gthr-single.h: Likewise.
20796         * gthr-solaris.h: Likewise.
20797         * gthr-tpf.h: Likewise.
20798         * gthr-vxworks.h: Likewise.
20799         * gthr-win32.h: Likewise.
20800
20801 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
20802
20803         PR target/39196
20804         * config/i386/i386.md: Restrict the new peephole2 to move
20805         between MMX/SSE registers.
20806
20807 2009-02-15  Richard Guenther  <rguenther@suse.de>
20808
20809         Revert
20810         2009-02-13  Richard Guenther  <rguenther@suse.de>
20811
20812         * configure.ac: Enable LFS.
20813         * configure: Re-generate.
20814         * config.in: Likewise.
20815
20816 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
20817
20818         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
20819         spu_srqwbyte, spu_srqwbytebc): Define.
20820         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
20821         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
20822         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
20823         "shrqby_<mode>"): New insn-and-split patterns.
20824         * config/spu/spu.c (expand_builtin_args): Determine and return
20825         number of operands using spu_builtin_description data.
20826         (spu_expand_builtin_1): Use it.
20827
20828 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
20829
20830         PR target/38056
20831         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
20832         TARGET_CONST_GP.
20833
20834 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
20835
20836         PR target/39149
20837         * config/i386/i386.c (override_options): Correct warning
20838         messages for -malign-loops, -malign-jumps and -malign-functions.
20839
20840 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
20841
20842         PR target/39152
20843         * config/i386/i386.md: Restrict the new peephole2 to move
20844         between the general purpose registers.
20845
20846 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
20847
20848         PR target/39162
20849         * config/i386/i386.c (type_natural_mode): Add a new argument.
20850         Return the original mode and warn ABI change if vector size is 32byte.
20851         (function_arg_advance): Updated.
20852         (function_arg): Likewise.
20853         (ix86_function_value): Likewise.
20854         (ix86_return_in_memory): Likewise.
20855         (ix86_sol10_return_in_memory): Likewise.
20856         (ix86_gimplify_va_arg): Likewise.
20857         (function_arg_32): Don't warn ABX ABI change here.
20858         (function_arg_64): Likewise.
20859
20860 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
20861
20862         * loop-iv.c (implies_p): In the final case, test that operands 0
20863         of the two comparisons match.
20864
20865         * config/bfin/bfin.c (find_prev_insn_start): New function.
20866         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
20867         (find_next_insn_start): Move.
20868
20869 2009-02-13  Richard Guenther  <rguenther@suse.de>
20870
20871         * configure.ac: Enable LFS.
20872         * configure: Re-generate.
20873         * config.in: Likewise.
20874
20875 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
20876
20877         PR c/35444
20878         * c-parser.c (c_parser_parms_list_declarator): Discard pending
20879         sizes on syntax error after some arguments have been parsed.
20880
20881 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
20882
20883         * doc/invoke.texi (-fira): Remove.
20884
20885 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
20886
20887         * caller-save.c: Replace regclass.c with reginfo.c in comments.
20888         * recog.c: Likewise.
20889         * rtl.h: Likewise.
20890
20891 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
20892
20893         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
20894         (umul_ppmm): Likewise.
20895         (count_leading_zeros): Likewise.
20896         (count_trailing_zeros): Likewise.
20897         (UMUL_TIME): Likewise.
20898
20899 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
20900
20901         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
20902         soft-fp/t-softfp to tmake_file.
20903
20904         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
20905         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
20906         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
20907         IA64_BUILTIN_INFQ]: New.
20908         (ia64_init_builtins): Initialize __builtin_infq,
20909         __builtin_fabsq and __builtin_copysignq if not HPUX.
20910         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
20911         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
20912
20913         * config/ia64/lib1funcs.asm (__divtf3): Define only if
20914         SHARED is defined.
20915         (__fixtfti): Likewise.
20916         (__fixunstfti): Likewise.
20917         (__floattitf): Likewise.
20918
20919         * config/ia64/libgcc-glibc.ver: New.
20920         * config/ia64/t-fprules-softfp: Likewise.
20921         * config/ia64/sfp-machine.h: Likewise.
20922
20923         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
20924         (LIBGCC2_TF_CEXT): Likewise.
20925         (TF_SIZE): Likewise.
20926         (TARGET_INIT_LIBFUNCS): Likewise.
20927
20928         * config/ia64/t-glibc (SHLINB_MAPFILES):
20929         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
20930
20931 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
20932
20933         * config/i386/i386.c (construct_container): Rewrite processing
20934         BLKmode with X86_64_SSE_CLASS.
20935
20936 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
20937
20938         PR target/39152
20939         * config/i386/i386.md: Replace simplify_replace_rtx with
20940         replace_rtx in the new peephole2.
20941
20942 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
20943
20944         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
20945         loop unrolling do not happen at -O2.
20946
20947 2009-02-12  Michael Matz  <matz@suse.de>
20948
20949         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
20950
20951 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
20952
20953         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
20954         for -g3.
20955
20956 2009-02-12  Ben Elliston  <bje@au.ibm.com>
20957
20958         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
20959         patterns when updating the back chain.  Missed in the 2009-02-10
20960         change.
20961
20962 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
20963
20964         * doc/extend.texi (Decimal Floating Types): Update identifier of
20965         draft TR and list of missing support.
20966
20967 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
20968
20969         PR middle-end/39154
20970         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
20971         bit to variable length decl's flags, add it also to its
20972         pointer replacement variable.
20973
20974 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
20975             Jakub Jelinek  <jakub@redhat.com>
20976
20977         PR target/39118
20978         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
20979         (memory_blockage): New expander.
20980         (*memory_blockage): New insn pattern.
20981         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
20982         instead of general blockage at the end of function prologue when
20983         frame pointer is used to access red zone area.  Do not emit blockage
20984         when profiling, it is emitted in generic code.
20985         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
20986         function epilogue when frame pointer is used to access red zone area.
20987
20988 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
20989
20990         PR target/38824
20991         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
20992         by arithmetic with memory operands.
20993         * config/i386/predicates.md (commutative_operator): New.
20994
20995 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
20996
20997         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
20998         bulleted lists.
20999
21000 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
21001
21002         * alias.h (record_alias_subset): Declare.
21003         * alias.c (record_alias_subset): Make global.
21004
21005 2009-02-10  Nick Clifton  <nickc@redhat.com>
21006
21007         * tree-parloops.c: Change license to GPLv3.
21008         * ipa-struct-reorg.c: Change license to GPLv3.
21009         * ipa-struct-reorg.h: Change license to GPLv3.
21010
21011 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
21012
21013         PR c/39084
21014         * c-decl.c (start_struct): Return NULL on error.
21015
21016 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
21017
21018         PR middle-end/39124
21019         * cfgloopmanip.c (remove_path): Call remove_bbs after
21020         cancel_loop_tree, not before it.
21021
21022         PR target/39139
21023         * function.h (struct function): Add has_local_explicit_reg_vars bit.
21024         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
21025         VAR_DECLs were seen.
21026         * tree-ssa-live.c (remove_unused_locals): Recompute
21027         cfun->has_local_explicit_reg_vars.
21028         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
21029         copies or clearings if cfun->has_local_explicit_reg_vars.
21030
21031 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
21032
21033         PR target/39118
21034         * config/i386/i386.c (expand_prologue): Emit blockage at the end
21035         of function prologue when frame pointer is used to access
21036         red zone area.
21037
21038 2009-02-10  Richard Guenther  <rguenther@suse.de>
21039
21040         PR middle-end/39127
21041         * gimplify.c (gimple_regimplify_operands): Always look if
21042         we need to create a temporary.
21043
21044 2009-02-10  Richard Guenther  <rguenther@suse.de>
21045
21046         PR tree-optimization/39132
21047         * tree-loop-distribution.c (todo): New global var.
21048         (generate_memset_zero): Trigger TODO_rebuild_alias.
21049         (tree_loop_distribution): Return todo.
21050
21051 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
21052
21053         PR target/39119
21054         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
21055         (x86_64_reg_class_name): Removed.
21056         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
21057         first one isn't X86_64_SSE_CLASS or any other ones aren't
21058         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
21059         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
21060         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
21061         and 3 X86_64_SSEUP_CLASS.
21062         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
21063         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
21064
21065 2009-02-10  Ben Elliston  <bje@au.ibm.com>
21066
21067         * config/rs6000/rs6000.md (allocate_stack): Always use an update
21068         form instruction to update the stack back chain word, even if the
21069         user has disabled the generation of update instructions.
21070         (movdi_<mode>_update_stack): New.
21071         (movsi_update_stack): Likewise.
21072         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
21073         always use an update form instruction to update the stack back
21074         chain word.
21075
21076 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
21077
21078         PR middle-end/38953
21079         * graphite.c (if_region_set_false_region): After moving a region in
21080         the false branch of a condition, remove the empty dummy basic block.
21081         (gloog): Remove wrong fix for PR38953.
21082
21083 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
21084
21085         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
21086         generation due to implicit sign extension.
21087
21088 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
21089
21090         PR middle-end/38981
21091         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
21092         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
21093
21094 2009-02-09  Richard Guenther  <rguenther@suse.de>
21095
21096         PR middle-end/35202
21097         * convert.c (convert_to_real): Disable (float)fn((double)x)
21098         to fnf(x) conversion if errno differences may occur and
21099         -fmath-errno is set.
21100
21101 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
21102
21103         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
21104         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
21105         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
21106
21107 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
21108
21109         PR c/35434
21110         * c-common.c (handle_alias_attribute): Disallow attribute for
21111         anything not a FUNCTION_DECL or VAR_DECL.
21112
21113 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
21114
21115         PR c/39035
21116         * real.c (do_compare): Special-case compare of zero against
21117         decimal float value.
21118
21119 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
21120
21121         PR c/36432
21122         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
21123         as indicating flexible array members unless the field itself is
21124         being declarared as the incomplete array.
21125
21126 2009-02-06  Jan Hubicka  <jh@suse.cz>
21127
21128         PR tree-optimization/38844
21129         * ipa-inline.c (try_inline): Stop inlining recursion when edge
21130         is already inlined.
21131
21132 2009-02-06  Richard Guenther  <rguenther@suse.de>
21133
21134         PR middle-end/38977
21135         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
21136         fork because we may expand it as __gcov_fork.
21137
21138 2009-02-06  Nick Clifton  <nickc@redhat.com>
21139
21140         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
21141
21142 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
21143
21144         PR tree-optimization/35659
21145         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
21146         vn_phi_eq): Shortcut if hashcode does not match.
21147         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
21148         NULL operands.
21149         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
21150         and avoid iterative_hash_expr.
21151         (FOR_EACH_VALUE_ID_IN_SET): New.
21152         (value_id_compare): Remove.
21153         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
21154         sort expressions by value id.
21155
21156 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
21157
21158         PR target/38991
21159         * config/sh/predicates.md (general_movsrc_operand): Don't check
21160         the subreg of system registers here.
21161
21162 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
21163
21164         PR c++/39106
21165         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
21166         on the copied decl.
21167
21168 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
21169
21170         PR rtl-optimization/39110
21171         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
21172         addresses, not aligned ones.
21173
21174 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
21175             Richard Guenther  <rguenther@suse.de>
21176
21177         PR tree-optimization/39100
21178         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
21179         comment says and add edges.
21180
21181 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
21182
21183         PR c/35435
21184         * c-common.c (handle_tls_model_attribute): Ignore attribute for
21185         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
21186
21187 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
21188
21189         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
21190         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
21191         register_bb_in_sese, new_sese, free_sese): Moved.
21192         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
21193         outermost_loop_in_scop, build_scop_iteration_domain,
21194         expand_scalar_variables_ssa_name, get_vdef_before_scop,
21195         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
21196         Use loop_in_sese_p instead of loop_in_scop_p.
21197         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
21198         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
21199         (scopdet_basic_block_info): Fix bug in scop detection.
21200         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
21201         eq_loop_to_cloog_loop): Remove.
21202         (nb_loops_around_loop_in_scop, nb_loop
21203         ref_nb_loops): Moved here...
21204         * graphite.h (ref_nb_loops): ... from here.
21205         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
21206         (loop_domain_dim, loop_iteration_vector_dim): Remove.
21207         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
21208         * testsuite/gcc.dg/graphite/scop-19.c: New
21209
21210 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
21211             Hans-Peter Nilsson  <hp@axis.com>
21212
21213         PR rtl-optimization/37889
21214         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
21215         Move offset handling from PLUS to before the switch.  Use new
21216         arguments when considering SYMBOL_REFs too.
21217         (rtx_addr_can_trap_p): Pass dummy offset and size.
21218         (enum may_trap_p_flags): Remove.
21219         (may_trap_p_1): Pass size from MEM_SIZE.
21220
21221         PR rtl-optimization/38921
21222         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
21223         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
21224         * rtlanal.c (may_trap_after_code_motion_p): Delete.
21225         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
21226
21227 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
21228
21229         AVX Programming Reference (January, 2009)
21230         * config/i386/sse.md (*vpclmulqdq): New.
21231
21232 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
21233
21234         PR tree-optimization/38977
21235         PR gcov-profile/38292
21236         * calls.c (special_function_p): Disregard __builtin_ prefix.
21237
21238 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
21239
21240         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
21241         non-indexable addresses even before reload.
21242
21243 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
21244
21245         PR c/29129
21246         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
21247         as having variable size.  Do not give an error for unnamed
21248         parameters with [*] declarators.  Give a warning for type names
21249         with [*] declarators and mark them as variable size.
21250         * c-parser.c (c_parser_sizeof_expression): Do not give an error
21251         for sizeof applied to [*] type names.
21252
21253 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
21254
21255         PR C++/36607
21256         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
21257
21258 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
21259
21260         * gcc.c (process_command): Update copyright notice dates.
21261         * gcov.c (print_version): Likewise.
21262         * gcov-dump.c (print_version): Likewise.
21263         * mips-tfile.c (main): Likewise.
21264         * mips-tdump.c (main): Likewise.
21265
21266 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
21267
21268         PR c/35433
21269         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
21270         for composite type involving a zero-length array type.
21271
21272 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
21273
21274         PR target/35318
21275         * function.c (match_asm_constraints_1): Skip over
21276         initial optional % in the constraint.
21277
21278         PR inline-asm/39059
21279         * c-parser.c (c_parser_postfix_expression): If fixed point is not
21280         supported, don't accept FIXED_CSTs.
21281         * c-decl.c (finish_declspecs): Error if fixed point is not supported
21282         and _Sat is used without _Fract/_Accum.  Set specs->type to
21283         integer_type_node for cts_fract/cts_accum if fixed point is not
21284         supported.
21285
21286 2009-02-02  Catherine Moore  <clm@codesourcery.com>
21287
21288         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
21289
21290 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
21291
21292         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
21293         (ABI_HAS_64BIT_SYMBOLS): Use it.
21294         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
21295
21296 2009-02-02  Paul Brook  <paul@codesourcery.com>
21297
21298         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
21299
21300 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
21301
21302         PR inline-asm/39058
21303         * recog.h (asm_operand_ok): Add constraints argument.
21304         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
21305         recurse on matching constraint.
21306         (check_asm_operands): Pass constraints as 3rd argument to
21307         asm_operand_ok.  Don't look up matching constraint here.
21308         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
21309         to asm_operand_ok.
21310
21311 2009-02-02  Ben Elliston  <bje@au.ibm.com>
21312
21313         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
21314         TARGET_NARROW_VOLATILE_BITFIELD macro names.
21315
21316 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21317
21318         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
21319         information.  Remove some obsolete information.  Reorganize.
21320
21321         * config/pa/fptr.c: Revert license to GPL 2.
21322         * config/pa/milli64.S: Likewise.
21323
21324 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
21325
21326         PR target/38904
21327         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
21328         LIBRARY name in, instead of hard-coding it.
21329         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
21330         extra target make frag to tmake_files according to EH model.
21331         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
21332         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
21333         frags that define makefile variable EH_MODEL appropriately.
21334         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
21335         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
21336         to "-sjlj" according to type of EH configured.
21337         (LIBGCC_SONAME):  Concatenate it to shared library base name.
21338         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
21339         to "_sjlj" according to type of EH configured.
21340         (LIBGCC_SONAME):  Concatenate it to shared library base name.
21341         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
21342         (SHLIB_LINK):  Add missing semicolon to if-else construct.
21343         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
21344         string value of "pe_dll" command-line option.
21345         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
21346         (SHLIB_SONAME):  Use it when overriding t-cygming default.
21347         (SHLIB_IMPLIB):  Override t-cygming default.
21348         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
21349         string value of "pe_dll" command-line option.
21350
21351 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
21352
21353         PR target/38952
21354         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
21355         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
21356
21357 2009-01-31  Richard Guenther  <rguenther@suse.de>
21358
21359         PR tree-optimization/38937
21360         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
21361         computing the transitive closure.
21362
21363 2009-01-30  Richard Guenther  <rguenther@suse.de>
21364
21365         PR tree-optimization/39041
21366         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
21367         Propagate variable indices only if the types match for this stmt.
21368
21369 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
21370
21371         PR target/39013
21372         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
21373         inline but never defined.
21374
21375 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
21376
21377         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
21378         (*insv_h_di_reg_extimm): New insn.
21379         (*insv_l<mode>_reg_extimm): New insn.
21380
21381 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
21382
21383         * config/picochip/picochip.c (flag_conserve_stack): set
21384         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
21385         fconserve-stack. Reduce call-overhead used by inliner.
21386
21387 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
21388
21389         PR/38157
21390         * common.opt (flag_conserve_stack): Initialised to zero.
21391
21392 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
21393
21394         PR/39002
21395         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
21396         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
21397         method.
21398
21399 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
21400
21401         * ira-color.c (allocno_reload_assign): Update comments.
21402         * regmove.c (regmove_optimize): Likewise.
21403
21404         * ra.h: Removed.
21405
21406 2009-01-29  Robert Millan  <rmh@aybabtu.com>
21407
21408         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
21409         * config/i386/kopensolaris-gnu.h: New file.  Undefine
21410         `MD_UNWIND_SUPPORT'.
21411         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
21412
21413 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
21414
21415         PR tree-optimization/39007
21416         * tree-loop-distribution.c (generate_builtin): Use
21417         recompute_dominator to compute the immediate dominator of the
21418         basic block just after the loop.
21419
21420 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
21421
21422         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
21423         (ASM_OUTPUT_DWARF_PCREL): Define.
21424
21425 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
21426
21427         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
21428         * doc/passes.texi: Remove entries about regclass, local-alloc, and
21429         global.  Modify entries about regmove and IRA.
21430
21431         * ra-conflict.c: Remove the file.
21432
21433         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
21434
21435         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
21436         (pass_regclass_init): Rename to pass_reginfo_init.
21437
21438         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
21439
21440         * toplev.h (flag_ira): Remove.
21441
21442         * caller-save.c (setup_save_areas): Remove flag_ira.
21443
21444         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
21445
21446         * global.c: Remove the file.
21447
21448         * opts.c (decode_options): Remove flag_ira.
21449
21450         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
21451
21452         * regmove.c: Modify file description.
21453         (find_use_as_address, try_auto_increment): Define them only if
21454         AUTO_INC_DEC is defined.
21455         (replacement_quality, replace_in_call_usage, fixup_match_1,
21456         stable_and_no_regs_but_for_p): Remove.
21457         (reg_set_in_bb): Make it static.
21458         (regmove_optimize): Remove flag_ira and code which worked for
21459         !flag_ira.
21460
21461         * local-alloc.c: Remove the file.
21462
21463         * common.opt (fira): Remove.
21464
21465         * ira.c: Include except.h.
21466         (eliminable_regset): Move from global.c.
21467         (mark_elimination): Ditto.  Remove flag_ira.
21468         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
21469         equiv_mem_modified, validate_equiv_mem_from_store,
21470         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
21471         contains_replace_regs, memref_referenced_p, memref_used_between_p,
21472         no_equiv, recorded_label_ref): Move from local-alloc.c.
21473         (update_equiv_regs): Ditto.  Make it static.
21474         (print_insn_chain, print_insn_chains): Move it from global.c.
21475         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
21476         (build_insn_chain): Ditto.  Make it static.
21477         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
21478         Rename to init_live_subregs.
21479         (gate_ira): Remove flag_ira.
21480
21481         * regclass.c: Rename reginfo.c.  Change file description.
21482         (FORBIDDEN_INC_DEC_CLASSES): Remove.
21483         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
21484         (init_reg_sets_1): Remove code for evaluation of
21485         reg_class_superclasses and losing_caller_save_reg_set.
21486         (init_regs): Remove init_reg_autoinc.
21487         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
21488         ok_for_base_p_nonstrict): Remove.
21489         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
21490         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
21491         corresponding entries.
21492         (dump_regclass, record_operand_costs, scan_one_insn,
21493         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
21494         record_address_regs, auto_inc_dec_reg_p): Remove.
21495         (gt-regclass.h): Rename to gt-reginfo.h.
21496
21497         * rtl.h (dump_global_regs, retry_global_alloc,
21498         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
21499
21500         * Makefile.in (RA_H): Remove.
21501         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
21502         Rename regclass.o to reginfo.o.
21503         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
21504         gt-reginfo.h.
21505         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
21506         (GTFILES): Rename regclass.c to reginfo.c.
21507
21508         * passes.c (init_optimization_passes): Remove pass_local_alloc and
21509         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
21510
21511         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
21512         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
21513         Remove flag_ira.
21514         (finish_spills): Ditto.  Remove code for !flag_ira.
21515
21516 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
21517
21518         PR middle-end/35854
21519         * doc/invoke.texi (rtl debug options): Complete rewrite.
21520         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
21521         to auto_inc_dec".
21522         * mode-switching.c (pass_mode_switching): Rename pass from
21523         "mode-sw" to "mode_sw".
21524         * except.c (pass_convert_to_eh_ranges): Rename pass from
21525         "eh-ranges" to "eh_ranges".
21526         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
21527         to "subreg1".
21528
21529
21530 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
21531             Alexander Monakov  <amonakov@ispras.ru>
21532
21533         PR middle-end/38857
21534         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
21535         register.
21536         (move_exprs_to_boundary): Change return type and pass through
21537         should_move from move_op.  Relax assert.  Update usage ...
21538         (schedule_expr_on_boundary): ... here.  Use should_move instead of
21539         cant_move.
21540         (move_op_orig_expr_found): Indicate that insn was disconnected from
21541         stream.
21542         (code_motion_process_successors): Do not call after_merge_succs
21543         callback if original expression was not found when traversing any of
21544         the branches.
21545         (code_motion_path_driver): Change return type.  Update prototype.
21546         (move_op): Update comment.  Add a new parameter (should_move).  Update
21547         prototype.  Set *should_move based on indication provided by
21548         move_op_orig_expr_found.
21549
21550 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
21551
21552         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
21553         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
21554         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
21555         * config/rs6000/rs6000.c (rs6000_override_options): Default
21556         avoid-indexed-addresses on for Power6, off for everything else.
21557         (avoiding_indexed_address_p): New function.
21558         (rs6000_legitimize_address): Use it.
21559         (rs6000_legitimate_address): Likewise.
21560         * config/rs6000/rs6000.md (movXX_updateX): Likewise
21561
21562 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
21563
21564         PR tree-optimization/38997
21565         * tree-loop-distribution.c (generate_memset_zero): Use
21566         POINTER_PLUS_EXPR for a pointer addition.
21567
21568 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
21569
21570         * config/s390/s390.md (bswap<mode>2): New pattern added.
21571
21572 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
21573
21574         * config/s390/s390.md (*tls_load_31): Added type attribute.
21575
21576 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
21577
21578         * config/s390/s390.md: Fix a few comments.
21579
21580 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
21581
21582         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
21583         (*tm<mode>_full): Fixed z10prop attribute.
21584         (*tst<mode>_extimm): Fixed z10prop attribute.
21585         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
21586         (*tstqiCCT_cconly): Fixed z10prop attribute.
21587         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
21588         (*movsi_larl): Fixed z10prop attribute.
21589         (*movsi_zarch): Fixed z10prop attribute.
21590         (*movsi_eas): Fixed z10prop attribute.
21591         (*movhi): Fixed z10prop attribute.
21592         (*movqi): Fixed z10prop attribute.
21593         (*movstrictqi): Fixed z10prop attribute.
21594         (*mov<mode>): Fixed z10prop attribute.
21595         (*movcc): Fixed z10prop attribute.
21596         (*sethighpartdi_64): Fixed z10prop attribute.
21597         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
21598         (*negdi2_sign_cc): Fixed z10prop attribute.
21599         (*negdi2_sign): Fixed z10prop attribute.
21600         (*absdi2_sign_cc): Fixed z10prop attribute.
21601         (*absdi2_sign): Fixed z10prop attribute.
21602         (*negabsdi2_sign_cc): Fixed z10prop attribute.
21603         (*negabsdi2_sign): Fixed z10prop attribute.
21604         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
21605         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
21606         (doloop_si64): Fixed z10prop attribute.
21607         (doloop_si31): Fixed z10prop attribute.
21608         (doloop_long): Fixed z10prop attribute.
21609         (indirect_jump): Fixed z10prop attribute.
21610         (nop): Fixed z10prop attribute.
21611         (main_base_64): Fixed z10prop attribute.
21612         (reload_base_64): Fixed z10prop attribute.
21613
21614 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
21615
21616         PR rtl-optimization/38740
21617         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
21618         if !optimize.
21619         * config/mips/mips.c (mips_reorg): Likewise.
21620
21621 2009-01-28  Richard Guenther  <rguenther@suse.de>
21622
21623         PR tree-optimization/38926
21624         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
21625         with the correct value id to a value.
21626         (do_regular_insertion): Use the value number of edoubleprime
21627         for the value number of the expr.
21628
21629         Revert
21630         2008-08-21  Richard Guenther  <rguenther@suse.de>
21631
21632         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
21633         a PHI ask VN if it is already available.
21634         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
21635         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
21636
21637 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
21638
21639         PR middle-end/38934
21640         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
21641         set to varying whenever max has TREE_OVERFLOW set, similarly
21642         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
21643
21644 2009-01-28  Richard Guenther  <rguenther@suse.de>
21645
21646         PR middle-end/38908
21647         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
21648         uninitialized aggregate uses in call arguments.
21649
21650 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
21651
21652         PR tree-optimization/38984
21653         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
21654         the nothing_id variable if -fno-delete-null-pointer-checks.
21655
21656 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
21657
21658         PR target/38988
21659         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
21660         (set_got_offset_rex64): Ditto.
21661
21662 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
21663
21664         PR target/38941
21665         * doc/extend.texi: Improve local variable with asm reg.
21666
21667 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
21668
21669         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
21670         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
21671         was not supplied then set warn_packed_bitfield_compat to the
21672         default value of 1.
21673         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
21674         against 1.
21675
21676 2009-01-27  Richard Guenther  <rguenther@suse.de>
21677
21678         PR tree-optimization/38503
21679         * cfgexpand.c (expand_gimple_basic_block): Ignore
21680         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
21681         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
21682         variables that cannot have TBAA applied.
21683         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
21684         statements.
21685
21686 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
21687
21688         PR middle-end/38969
21689         * calls.c (initialize_argument_information): Do not wrap complex
21690         arguments in SAVE_EXPR.
21691
21692 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
21693
21694         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
21695         (INSTALL_LIBGCC): Revert typo commit.
21696
21697 2009-01-26  Richard Guenther  <rguenther@suse.de>
21698
21699         PR tree-optimization/38745
21700         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
21701         from special handling.
21702
21703 2009-01-26  Richard Guenther  <rguenther@suse.de>
21704
21705         PR tree-optimization/38745
21706         * tree-ssa.c (execute_update_addresses_taken): Do not include
21707         variables that cannot possibly be a register in not_reg_needs.
21708         Do not clear TREE_ADDRESSABLE on vars that may not become
21709         registers.
21710         * tree-ssa.c (update_alias_info_1): Include those in the set
21711         of addressable vars.
21712
21713 2009-01-26  Richard Guenther  <rguenther@suse.de>
21714
21715         PR middle-end/38851
21716         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
21717         * tree-ssa-dse.c: Include langhooks.h
21718         (execute_simple_dse): Remove stores with zero size.
21719
21720 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
21721
21722         PR c/38957
21723         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
21724         as PLUS_EXPR.
21725
21726 2009-01-24  Julian Brown  <julian@codesourcery.com>
21727
21728         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
21729         config/arm/linux-atomic.c.
21730         * config/arm/linux-atomic.c: New.
21731
21732 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
21733
21734         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
21735         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
21736         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
21737
21738 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
21739
21740         PR c/38938
21741         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
21742         properly.
21743
21744 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
21745
21746         PR tree-optimization/38953
21747         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
21748         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
21749         (gloog): Split the exit of the scop when the scop exit is a loop exit.
21750         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
21751         changed the CFG.
21752
21753 2009-01-24  Paul Brook  <paul@codesourcery.com>
21754
21755         * config/arm/neon.md (neon_type): Move to arm.md.
21756         (neon_mov<VSTRUCT>): Add neon_type attribute.
21757         * config/arm/arm.md (neon_type): Move to here.
21758         (conds): Add "unconditioal" and use as default for NEON insns.
21759
21760 2009-01-24  Ben Elliston  <bje@au.ibm.com>
21761
21762         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
21763         void *' warning from -Wc++-compat.
21764         * Makefile.in (dominance.o-warn): Remove.
21765
21766 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
21767
21768         PR tree-optimization/38932
21769         * fold-const.c (fold_unary_ignore_overflow): New.
21770         * tree.h (fold_unary_ignore_overflow): Declare.
21771         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
21772         * tree-ssa-sccvn.c (visit_reference_op_load,
21773         simplify_unary_expression): Likewise.
21774
21775 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
21776
21777         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
21778         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
21779         regardless of their type.
21780         * c-common.c (handle_packed_attribute): Don't ignore packed on
21781         bitfields.
21782         * c.opt (Wpacked-bitfield-compat): New warning option.
21783         * stor-layout.c (place_field): Warn if offset of a field changed.
21784         * doc/extend.texi (packed): Mention the ABI change.
21785         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
21786         (Warning Options): Add it to the list.
21787
21788 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
21789
21790         * c-opts.c (c_common_post_options): Fix a typo in comments.
21791
21792 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
21793
21794         PR middle-end/38615
21795         * gimplify.c (gimplify_init_constructor): Fix promotion of const
21796         variables to static.
21797         * doc/invoke.texi (-fmerge-all-constants): Update description.
21798
21799 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
21800
21801         PR target/38931
21802         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
21803         (*movdi_1_rex64): Use type "mmx" for alternative 5.
21804
21805 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
21806
21807         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
21808         a word boundary.
21809         (LOCAL_ALIGNMENT): Similarly.
21810
21811 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
21812             Joseph Myers  <joseph@codesourcery.com>
21813
21814         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
21815         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
21816         * config/arm/arm-tune.md: Regenerate.
21817         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
21818         -march=iwmmxt2.
21819
21820 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
21821
21822         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
21823         version number to five.
21824
21825 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
21826
21827         PR c++/38930
21828         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
21829         * c-common.c (set_underlying_type): Likewise.
21830         (is_typedef_decl ): Likewise
21831         * tree.h: Likewise
21832         (set_underlying_type): Likewise.
21833         (is_typedef_type): Likewise.
21834
21835 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
21836
21837         PR middle-end/38587
21838         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
21839         crossing setjmps.
21840
21841 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
21842
21843         PR bootstrap/37660
21844         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
21845         (LIBGCC_SPEC):  Don't define.
21846         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
21847
21848 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
21849
21850         PR rtl-optimization/38879
21851         * alias.c (base_alias_check): Unaligned access via AND address can
21852         alias all surrounding object types except those with sizes equal
21853         or wider than the size of unaligned access.
21854
21855 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
21856
21857         PR c++/26693
21858         * c-decl.c (clone_underlying_type): Move this ...
21859         * c-common.c (set_underlying_type): ... here.
21860         Also, make sure the function properly sets TYPE_STUB_DECL() on
21861         the newly created typedef variant type.
21862         (is_typedef_decl ): New entry point.
21863         * tree.h: Added a new member member_types_needing_access_check to
21864         struct tree_decl_non_common.
21865         (set_underlying_type): New entry point.
21866         (is_typedef_type): Likewise.
21867
21868 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
21869
21870         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
21871         Check whether two instructions have memory references that
21872         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
21873         are helper functions for traversing.
21874         * alias.h (insn_alias_sets_confilict_p): New prototypes.
21875         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
21876         not to draw dependency edge for instructions with non-conflicting
21877         alias sets.
21878
21879 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
21880
21881         PR other/38758
21882         * longlong.h: Update copyright years.  Use soft-fp license notice.
21883         Sync __clz_tab declaration with glibc.
21884
21885 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
21886
21887         PR target/30687
21888         * doc/extend.texi (syscall_linkage): New.
21889         (version_id): Modify.
21890
21891 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
21892             Richard Guenther  <rguenther@suse.de>
21893
21894         PR tree-optimization/38747
21895         PR tree-optimization/38748
21896         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
21897         conversion if the base address is an indirect reference and the
21898         aliasing sets could cause issues.
21899
21900 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
21901
21902         * common.opt (fgraphite, fgraphite-identity): Add comment for
21903         explaining why these options are not documented.
21904
21905 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
21906
21907         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
21908         gimple_call_lhs is NULL.
21909
21910 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
21911
21912         PR target/38868
21913         * emit-rtl.c (adjust_address_1): Make sure memref is never
21914         overwritten.
21915
21916 2009-01-20  Ben Elliston  <bje@au.ibm.com>
21917
21918         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
21919         const qualifier from arg parameter. Remove unnecessary cast to char *.
21920         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
21921         const qualifier from arg 2.
21922
21923 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
21924
21925         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
21926
21927 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
21928
21929         PR c/38869
21930         * rtl.h (reinit_regs): New prototype.
21931         * regclass.c: Include ira.h.
21932         (reinit_regs): New.
21933         * Makefile.in (regclass.o): Add ira.h.
21934         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
21935
21936 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
21937
21938         PR target/38736
21939         * c-common.c (handle_aligned_attribute): Use
21940         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
21941         default alignment value.
21942
21943         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
21944
21945         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
21946         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
21947
21948         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
21949         __BIGGEST_ALIGNMENT__.
21950
21951         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
21952
21953 2009-01-18  Richard Guenther  <rguenther@suse.de>
21954
21955         PR tree-optimization/38819
21956         * tree-flow.h (operation_could_trap_helper_p): Declare.
21957         * tree-eh.c (operation_could_trap_helper_p): Export.
21958         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
21959         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
21960         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
21961         are about to insert a possibly trapping instruction and fail
21962         in this case.
21963
21964 2009-01-18  Andreas Schwab  <schwab@suse.de>
21965
21966         * doc/install.texi (Configuration): Remove obsolete paragraph
21967         about use of --with-gnu-ld with --with-gnu-as.
21968
21969 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
21970
21971         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
21972         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
21973         Follow spelling conventions.
21974
21975 2009-01-18  Ben Elliston  <bje@au.ibm.com>
21976
21977         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
21978         C++ warning about implicit conversion from void * to struct
21979         bitmap_head_def *.
21980         (bitmap_obstack_free): Likewise for bitmap_element *.
21981         * Makefile.in (bitmap.o-warn): Remove.
21982
21983 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
21984
21985         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
21986
21987 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
21988             Tobias Grosser  <tobi.grosser@amd.com>
21989
21990         * graphite.c (graphite_trans_scop_block): Do not block single
21991         nested loops.
21992
21993 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
21994
21995         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
21996         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
21997         test with assertion.
21998
21999 2009-01-16  Richard Guenther  <rguenther@suse.de>
22000
22001         PR tree-optimization/38835
22002         PR middle-end/36227
22003         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
22004         and INT + PTR -> (INT)(PTR p+ INT) folding.
22005         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
22006
22007 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
22008
22009         PR target/38554
22010         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
22011         the subreg from a lowpart subreg if it is also casting the value.
22012
22013 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
22014             Tobias Grosser  <tobi.grosser@amd.com>
22015
22016         * graphite.c (compare_prefix_loops): New.
22017         (build_scop_canonical_schedules): Rewritten.
22018         (graphite_transform_loops): Move build_scop_canonical_schedules
22019         after build_scop_iteration_domain.
22020
22021 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
22022             Tobias Grosser  <tobi.grosser@amd.com>
22023
22024         * graphite.c (add_conditions_to_domain): Add the loops to
22025         the dimension of the iteration domain.  Do copy the domain
22026         only when it exists.
22027         (build_scop_conditions_1): Do not call add_conditions_to_domain.
22028         (add_conditions_to_constraints): New.
22029         (can_generate_code_stmt, can_generate_code): Removed.
22030         (gloog): Do not call can_generate_code.
22031         (graphite_transform_loops): Call add_conditions_to_constraints
22032         after building the iteration domain.
22033
22034 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
22035
22036         PR tree-optimization/38789
22037         * tree-ssa-threadedge.c
22038         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
22039         __builtin_constant_p.
22040
22041 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
22042
22043         * dce.c (delete_unmarked_insns): Reversed the order that insns are
22044         examined before deleting them.
22045
22046 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
22047
22048         * function.c (aggregate_value_p): Correctly extract the function
22049         type from CALL_EXPR_FN lookup.
22050
22051 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
22052
22053         * config/picochip/picochip.c (picochip_override_options): Revert
22054         CFI asm flag disable commited previously.
22055
22056 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
22057             Tobias Grosser  <tobi.grosser@amd.com>
22058             Jan Sjodin  <jan.sjodin@amd.com>
22059
22060         * graphite.c (scan_tree_for_params): On substractions negate
22061         all the coefficients of the term.
22062         (clast_to_gcc_expression_red): New.  Handle reduction expressions
22063         of more than two operands.
22064         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
22065         (get_vdef_before_scop): Handle also the case of default definitions.
22066
22067 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
22068
22069         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
22070         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
22071         Also use them when walking CALL_INSN_FUNCTION_USAGE.
22072
22073 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
22074             Joey Ye  <joey.ye@intel.com>
22075
22076         PR middle-end/37843
22077         * cfgexpand.c (expand_stack_alignment): Don't update stack
22078         boundary nor check incoming stack boundary here.
22079         (gimple_expand_cfg): Update stack boundary and check incoming
22080         stack boundary here.
22081
22082 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
22083
22084         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
22085
22086 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
22087
22088         PR rtl-optimization/38245
22089         * calls.c (expand_call): Add stack arguments to
22090         CALL_INSN_FUNCTION_USAGE even for pure calls (when
22091         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
22092         in regs and partially in memory or BLKmode arguments.
22093         (emit_library_call_value_1): Add stack arguments to
22094         CALL_INSN_FUNCTION_USAGE even for pure calls (when
22095         ACCUMULATE_OUTGOING_ARGS).
22096         * dce.c: Include tm_p.h.
22097         (find_call_stack_args): New function.
22098         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
22099         argument.
22100         (mark_insn): Call find_call_stack_args for CALL_Ps.
22101         (prescan_insns_for_dce): Walk insns backwards in bb rather than
22102         forwards.  Allocate and free arg_stores bitmap if needed, pass it
22103         down to deletable_insn_p, don't mark stores set in arg_stores
22104         bitmap, clear the bitmap at the beginning of each bb.
22105         * Makefile.in (dce.o): Depend on $(TM_P_H).
22106
22107 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
22108
22109         PR target/22599
22110         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
22111         to make sure the insn is a conditional test (bug 22599).  Reformat a
22112         few long lines.
22113
22114 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
22115
22116         PR middle-end/38431
22117         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
22118         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
22119         (gloog): Do not call cleanup_tree_cfg.
22120         (graphite_transform_loops): Call cleanup_tree_cfg after all
22121         scops have been code generated.
22122
22123 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
22124         * doc/gty.texi (Invoking the garbage collector): Added new node
22125         and section documenting ggc_collect.
22126
22127 2009-01-14  Richard Guenther  <rguenther@suse.de>
22128
22129         PR tree-optimization/38826
22130         PR middle-end/38477
22131         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
22132         initialization notes only if we actually emitted a warning.
22133         (intra_create_variable_infos): Add constraints for a result decl
22134         that is passed by hidden reference.
22135         (build_pred_graph): Mark all related variables non-direct on
22136         address-taking.
22137
22138 2009-01-14  Nick Clifton  <nickc@redhat.com>
22139
22140         * ira-conflicts.c: Include addresses.h for the definition of
22141         base_reg_class.
22142         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
22143         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
22144
22145 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
22146
22147         PR target/38811
22148         * Makefile.in (ira-lives.o): Add except.h.
22149
22150         * ira-lives.c: Include except.h.
22151         (process_bb_node_lives): Process can_throw_internal.
22152
22153 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
22154
22155         PR rtl-optimization/38774
22156         * combine.c (simplify_set): When undoing cc_use change, don't do
22157         PUT_CODE on the newly created comparison, but instead put back the
22158         old comparison.
22159
22160 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
22161
22162         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
22163         values.  Remove duplicate arm8 entry.
22164
22165 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
22166
22167         PR tree-optimization/38786
22168         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
22169         the SSA_NAME case of expand_scalar_variables_expr.
22170         Set the type of an expression to the type of its assign statement.
22171         (expand_scalar_variables_expr): Also gather the scalar computation
22172         used to index the memory access.  Do not pass loop_p.
22173         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
22174         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
22175         the gimple_stmt_iterator where it inserts new code.
22176         Do not pass loop_p.
22177         (copy_bb_and_scalar_dependences): Do not pass loop_p.
22178         (translate_clast): Update call to copy_bb_and_scalar_dependences.
22179
22180 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
22181
22182         * graphite.h (debug_value): Removed.
22183         * graphite.c (debug_value): Removed.
22184
22185 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
22186
22187         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
22188         ldrd/strd with two 32-bit instructions.
22189
22190 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
22191
22192         * config/arm/arm.c (struct processors): Pass for speed down into
22193         cost helper functions.
22194         (const_ok_for_op): Handle COMPARE and inequality nodes.
22195         (arm_rtx_costs_1): Rewrite.
22196         (arm_size_rtx_costs): Update prototype.
22197         (arm_rtx_costs): Pass speed down to helper functions.
22198         (arm_slowmul_rtx_costs): Rework cost calculations.
22199         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
22200         (arm_9e_rtx_costs): Likewise.
22201
22202 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
22203
22204         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
22205         relocations of local symbols wider than UNITS_PER_WORD are not valid.
22206         (alpha_legitimize_address): Do not split local symbols wider than
22207         UNITS_PER_WORD into HIGH/LO_SUM parts.
22208
22209 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
22210
22211         PR bootstrap/38580
22212         * gcc.c (process_command): Replace call to execvp with calls
22213         to pex_one and exit.
22214
22215 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
22216
22217         PR target/29141
22218         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
22219         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
22220         variant for devices with 3-byte PC.
22221         (__tablejump_elpm__): New.
22222
22223 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
22224
22225         PR c/32041
22226         * c-parser.c (c_parser_postfix_expression): Allow `->' in
22227         offsetof member-designator, handle it as `[0].'.
22228
22229 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22230
22231         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
22232         function when not using named sections on targets with named sections
22233         if branch distance is less than 262132.
22234
22235 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
22236
22237         * combine.c (combine_instructions):  Recompute
22238         optimize_this_for_speed_p  for each BB in the main combine loop.
22239
22240 2009-01-12  Tomas Bily  <tbily@suse.cz>
22241
22242         PR middlend/38385
22243         * tree-loop-distribution.c (prop_phis): New function.
22244         (generate_builtin): Call prop_phis.
22245         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
22246
22247 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
22248
22249         PR tree-optimization/38807
22250         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
22251         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
22252
22253 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
22254
22255         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
22256         subreg of op0 to the original op0.
22257
22258 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
22259
22260         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
22261
22262 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
22263
22264         PR debug/7055
22265         * mips-tfile.c (parse_def): Fix parsing of def strings
22266         starting with digits.
22267
22268 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
22269
22270         PR target/38695
22271         * config/arm/arm.c (arm_is_long_call_p): Don't call
22272         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
22273
22274 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
22275
22276         * regrename.c (regrename_optimize): Fix dumping.
22277         (find_oldest_value_reg): Preserve REG_POINTER.
22278         (copy_hardreg_forward_1): Likewise.
22279
22280 2009-01-09  Diego Novillo  <dnovillo@google.com>
22281
22282         * gimple.h (struct gimple_statement_base) <uid>: Document
22283         the restrictions on its use.
22284         (gimple_uid): Tidy.
22285         (gimple_set_uid): Tidy.
22286
22287 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
22288
22289         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
22290         zero guard even if align_bytes != 0 and count is smaller than
22291         size_needed.
22292
22293 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
22294
22295         PR rtl-optimization/38495
22296         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
22297         (add_range_and_copies_from_move_list): Print all added ranges.
22298         Add ranges to memory optimized destination.
22299
22300 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
22301
22302         PR target/38686
22303         PR target/38708
22304         * config/i386/i386.c (override_options): Reject
22305         -mstringop-strategy=rep_8byte with -m32.
22306         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
22307         to 1.  Do count comparison against epilogue_size_needed at compile
22308         time even when count_exp was constant forced into register.  For
22309         size_needed don't jump to epilogue, instead just avoid aligning
22310         and invoke the body algorithm.  If need_zero_guard, add zero guard
22311         even if count is non-zero, but smaller than size_needed + number of
22312         bytes that could be stored for alignment.
22313         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
22314         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
22315         but smaller than size_needed + number of bytes that could be stored
22316         for alignment.  Compare size_needed with epilogue_size_needed instead
22317         of desired_align - align, don't adjust size_needed, pass
22318         epilogue_size_needed to the epilogue expanders.
22319
22320         PR c/35742
22321         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
22322
22323 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22324
22325         * pa.c (last_address): Change to unsigned.
22326         (update_total_code_bytes): Change argument to unsigned.  Don't
22327         check if insn addresses are set.
22328         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
22329         addresses are not set.
22330         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
22331
22332 2009-01-09  Nick Clifton  <nickc@redhat.com>
22333
22334         * config/sh/symbian.c: Replace uses of DECL_INLINE with
22335         DECL_DECLARED_INLINE_P.
22336
22337 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
22338
22339         PR middle-end/38347
22340         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
22341         GET_MODE (op0) in operand_subword_force calls.
22342
22343         PR middle-end/38771
22344         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
22345         fold_convert arg0 operands to TREE_TYPE (op0) first.
22346
22347 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
22348
22349         * params.def (ira-max-conflict-table-size): Decrease default value
22350         to 1000.
22351
22352 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
22353
22354         PR tree-optimization/37031
22355         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
22356         on parameter_set.
22357         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
22358         allocate it using gc instead of heap, use VEC_quick_push instead of
22359         VEC_safe_push.
22360         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
22361         instead of heap, use VEC_quick_push instead of VEC_safe_push.
22362         * tree-data-ref.h (struct access_matrix): Change matrix to gc
22363         allocated vector from heap allocated.
22364         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
22365         * tree-loop-linear.c (linear_transform_loops): Allocate nest
22366         vector only after perfect_loop_nest_depth call.
22367
22368 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
22369             Jan Sjodin  <jan.sjodin@amd.com>
22370
22371         PR tree-optimization/38559
22372         * graphite.c (debug_value, copy_constraint,
22373         swap_constraint_variables, scale_constraint_variable, ): New.
22374         (get_lower_bound, get_upper_bound): Removed.
22375         (graphite_trans_bb_strip_mine): Clean up this code that works
22376         only for constant number of iterations.  Fully copy upper and
22377         lower bound constraints, not only the constant part of them.
22378         * graphite.h (debug_value): Declared.
22379
22380 2009-01-08  Ira Rosen  <irar@il.ibm.com>
22381
22382         PR tree-optimization/37194
22383         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
22384         Don't add the cost of cost model guard in prologue to scalar
22385         outside cost in case of known number of iterations.
22386
22387 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
22388             Alan Modra  <amodra@bigpond.net.au>
22389
22390         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
22391         non-word-aligned REG+CONST addressing.
22392
22393 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
22394
22395         PR target/38706
22396         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
22397         free_after_compilation when outputting a thunk.
22398         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
22399         Do not call free_after_compilation here.
22400
22401 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
22402
22403         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
22404         (ix86_valid_target_attribute_inner_p): Ditto.
22405
22406 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
22407
22408         PR tree-optimization/38492
22409         PR tree-optimization/38498
22410         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
22411         * tree-chrec.h (scev_is_linear_expression): Declared.
22412         * graphite.c (graphite_cannot_represent_loop_niter): New.
22413         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
22414         (graphite_loop_normal_form): Use gcc_assert.
22415         (scan_tree_for_params): Use CASE_CONVERT.
22416         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
22417         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
22418         Use gcc_assert.  Discard scops that contain unhandled cases.
22419         (build_scop_conditions): Return a boolean status for unhandled cases.
22420         (strip_mine_profitable_p): Print the loop number, not its depth.
22421         (is_interchange_valid): Pass the depth of the loop nest, don't
22422         recompute it wrongly.
22423         (graphite_trans_bb_block): Same.
22424         (graphite_trans_bb_block): Print tentative of loop blocking.
22425         (graphite_trans_scop_block): Do not print that the loop has been
22426         blocked.
22427         (graphite_transform_loops): Do not handle scops that contain condition
22428         scalar phi nodes.
22429
22430 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
22431
22432         AVX Programming Reference (December, 2008)
22433         * config/i386/avxintrin.h (_mm256_stream_si256): New.
22434         (_mm256_stream_pd): Likewise.
22435         (_mm256_stream_ps): Likewise.
22436
22437         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
22438         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
22439         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
22440         (bdesc_special_args): Add __builtin_ia32_movntdq256,
22441         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
22442         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
22443         (ix86_expand_special_args_builtin): Likewise.
22444
22445         * config/i386/sse.md (AVXMODEDI): New.
22446         (avx_movnt<mode>): Likewise.
22447         (avx_movnt<mode>): Likewise.
22448         (<sse>_movnt<mode>): Remove AVX support.
22449         (sse2_movntv2di): Likewise.
22450
22451 2009-01-07  Richard Guenther  <rguenther@suse.de>
22452
22453         PR middle-end/38751
22454         * fold-const.c (extract_muldiv): Remove obsolete comment.
22455         (fold_plusminus_mult_expr): Undo MINUS_EXPR
22456         to PLUS_EXPR canonicalization for the canonicalization.
22457
22458 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
22459
22460         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
22461         hosted cross-compilers generating less efficient code.
22462
22463 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
22464
22465         * function.h (rtl_data): Add a dbr_scheduled_p field.
22466         * reorg.c (dbr_schedule): Set it.
22467         (gate_handle_delay_slots): Check it.
22468         * config/mips/mips.c (mips_base_delayed_branch): Delete.
22469         (mips_reorg): Check flag_delayed_branch instead of
22470         mips_base_delayed_branch.
22471         (mips_override_options): Don't set mips_base_delayed_branch
22472         or flag_delayed_branch.
22473
22474 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
22475
22476         PR rtl-optimization/38426.
22477         * ira.c (ira): Set current_function_is_leaf earlier.
22478
22479 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
22480
22481         PR rtl-optimization/38722
22482         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
22483         too early, only set a flag and modify after last possible
22484         undo_all point.
22485
22486 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
22487
22488         PR c/34252
22489         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
22490         * real.c (decimal_single_format): Correct values of emin and emax.
22491         (decimal_double_format): Ditto.
22492         (decimal_quad_format): Ditto.
22493         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
22494         computation of DECnn_MIN and DECnn_MAX for corrected values of
22495         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
22496         __DECnn_MIN__, and adjust its computation for the corrected value
22497         of emin.
22498
22499 2009-01-06  Jan Hubicka  <jh@suse.cz>
22500
22501         PR target/38744
22502         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
22503
22504 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
22505
22506         * doc/contrib.texi (Contributors): Slightly adjust the end note.
22507         Add Robert Clark to the list of testers.
22508
22509 2009-01-06  Jan Hubicka  <jh@suse.cz>
22510             Kai Tietz  <kai.tietz@onevision.com>
22511
22512         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
22513         * config/i386/i386.c (ix86_expand_call): Add clobbers.
22514
22515 2009-01-06  Jan Hubicka  <jh@suse.cz>
22516             Kai Tietz  <kai.tietz@onevision.com>
22517
22518         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
22519         for w64 ABI.
22520         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
22521         (ix86_nsaved_regs): Count only general purpose regs.
22522         (ix86_nsaved_sseregs): New.
22523         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
22524         to 16 for w64; compute padding and size of sse reg save area.
22525         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
22526         general purpose regs.
22527         (ix86_emit_save_sse_regs_using_mov): New.
22528         (ix86_expand_prologue): Save SSE regs if needed.
22529         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
22530         (ix86_emit_restore_sse_regs_using_mov): New.
22531         (ix86_expand_epilogue): Save SSE regs if needed.
22532
22533 2009-01-06  Jan Hubicka  <jh@suse.cz>
22534             Kai Tietz  <kai.tietz@onevision.com>
22535
22536         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
22537         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
22538         functions when accumulate outgoing args is off.
22539
22540 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
22541
22542         PR bootstrap/38742
22543         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
22544         before using pseudos_have_intersected_live_ranges_p.
22545
22546         * ira-int.h (ira_assert): Always define.
22547
22548 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
22549
22550         AVX Programming Reference (December, 2008)
22551         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
22552         (_mm256_permute2_pd): Likewise.
22553         (_mm_permute2_ps): Likewise.
22554         (_mm256_permute2_ps): Likewise.
22555         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
22556         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
22557
22558         * config/i386/i386.c (ix86_builtins): Remove
22559         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
22560         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
22561         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
22562         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
22563         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
22564         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
22565         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
22566         __builtin_ia32_vpermil2ps256.
22567         (ix86_init_mmx_sse_builtins): Updated.
22568         (ix86_expand_args_builtin): Likewise.
22569
22570 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22571
22572         * pa.c (output_call): Relocate non-jump insns in the delay slot of
22573         long absolute calls when generating PA 2.0 code.
22574
22575 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
22576
22577         PR rtl-optimization/38583
22578         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
22579
22580         * params.def (ira-max-conflict-table-size): New.
22581
22582         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
22583
22584         * ira.h (ira_conflicts_p): New external definition.
22585
22586         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
22587         table.  Report this.  Return result of building.
22588         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
22589         building conflict table.
22590
22591         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
22592         (ira_color): Use ira_conflicts_p.
22593
22594         * global.c: Include ira.h.
22595         (pseudo_for_reload_consideration_p, build_insn_chain): Use
22596         ira_conflicts_p.
22597
22598         * Makefile.in (global.o): Add ira.h.
22599
22600         * ira-build.c (mark_all_loops_for_removal,
22601         propagate_some_info_from_allocno): New.
22602         (remove_unnecessary_allocnos): Call
22603         propagate_some_info_from_allocno.
22604         (remove_low_level_allocnos): New.
22605         (remove_unnecessary_regions): Add parameter.  Call
22606         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
22607         parameter to remove_unnecessary_regions.
22608         (ira_build): Remove all regions but root if the conflict table was
22609         not built.  Update conflict hard regs for allocnos crossing calls.
22610
22611         * ira.c (ira_conflicts_p): New global.
22612         (ira): Define and use ira_conflicts_p.
22613
22614         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
22615         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
22616         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
22617
22618 2009-01-06  Ben Elliston  <bje@au.ibm.com>
22619
22620         * gengtype-lex.l (YY_NO_INPUT): Define.
22621
22622 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
22623
22624         PR c/34911
22625         * c-common.c (handle_vector_size_attribute): Also reject
22626         BOOLEAN_TYPE types.
22627
22628 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
22629
22630         PR tree-optimization/38492
22631         * graphite.c (rename_map_elt, debug_rename_elt,
22632         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
22633         rename_map_elt_info, eq_rename_map_elts,
22634         get_new_name_from_old_name, bb_in_sese_p): Moved around.
22635         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
22636         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
22637         (sese_build_livein_liveouts): New.
22638         (new_sese, free_sese): New.
22639         (new_scop): Call new_sese.
22640         (free_scop): Call free_sese.
22641         (rename_variables_from_edge, rename_phis_end_scop): Removed.
22642         (register_old_new_names): Renamed register_old_and_new_names.
22643         (register_scop_liveout_renames, add_loop_exit_phis,
22644         insert_loop_close_phis, struct igp,
22645         default_liveout_before_guard, add_guard_exit_phis,
22646         insert_guard_phis, copy_renames): New.
22647         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
22648         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
22649         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
22650         (scop_adjust_phis_for_liveouts): New.
22651         (gloog): Call scop_adjust_phis_for_liveouts.
22652
22653         * graphite.h (struct sese): Documented.  Added fields liveout,
22654         num_ver and livein.
22655         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
22656         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
22657         (struct scop): Added field liveout_renames.
22658         (SCOP_LIVEOUT_RENAMES): New.
22659
22660 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
22661
22662         PR tree-optimization/38510
22663         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
22664         (translate_clast): Call recompute_all_dominators before
22665         graphite_verify.
22666         (gloog): Call recompute_all_dominators before graphite_verify.
22667
22668 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
22669             Jan Sjodin  <jan.sjodin@amd.com>
22670
22671         PR tree-optimization/38500
22672         * graphite.c (create_sese_edges): Call fix_loop_structure after
22673         splitting blocks.
22674
22675 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
22676
22677         * config.gcc: Add m32r*-*-rtems*.
22678         * config/m32r/rtems.h: New file.
22679
22680 2009-01-05  Ben Elliston  <bje@au.ibm.com>
22681
22682         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
22683         (.po.pox): Likewise.
22684         (po/gcc.pot): Likewise.
22685
22686 2009-01-04  David S. Miller  <davem@davemloft.net>
22687
22688         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
22689         (STARTING_FRAME_OFFSET): Always set to zero.
22690
22691 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
22692
22693         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
22694         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
22695         fixed-point types, and vectors of the same.
22696
22697 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
22698
22699         * config/mips/sync.md (*mb_barrier): Rename to...
22700         (*memory_barrier): ...this.
22701
22702 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
22703
22704         * doc/extend.texi (Function Attributes): Move @cindex after @item
22705         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
22706         and put in alphabetical order. Fix 'target' name and put in order.
22707         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
22708         typos.
22709
22710 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
22711
22712         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
22713         (memory_barrier): Expand as unspec instead of unspec_volatile.
22714         Remove mem:BLK from insn operands.  Use Pmode scratch register.
22715         (*memory_barrier): Define as unspec instead of unspec_volatile.
22716         Use (match_dup 0) as input operand.
22717
22718         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
22719         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
22720         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
22721         scratch register.  Remove operand 1.
22722         (*stbar): Define as unspec instead of unspec_volatile.
22723         Use (match_dup 0) as input operand, remove (const_int 8).
22724         (*membar): Define as unspec instead of unspec_volatile.
22725         Use (match_dup 0) as input operand, remove input operand 2.
22726
22727         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
22728         (memory_barrier): Expand as unspec instead of unspec_volatile.
22729         Remove mem:BLK from insn operands.  Use Pmode scratch register.
22730         (*memory_barrier): Define as unspec instead of unspec_volatile.
22731         Use (match_dup 0) as input operand.
22732
22733         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
22734         Remove mem:BLK from insn operands.  Use Pmode scratch register.
22735         Set volatile flag on operand 0.
22736         (*memory_barrier): New insn pattern.
22737
22738         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
22739         insn operands.
22740         (*memory_barrier): Use (match_dup 0) as input operand.
22741
22742         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
22743         Remove mem:BLK from insn operands.  Use Pmode scratch register.
22744         Set volatile flag on operand 0.
22745         (*mb_internal): New insn pattern.
22746
22747         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
22748
22749 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
22750
22751         PR middle-end/38586
22752         * function.c (struct temp_slot): Move to the section of the file
22753         that deals with temp slots.  Remove field 'address'.
22754         (temp_slot_address_table): New hash table of address -> temp slot.
22755         (struct temp_slot_address_entry): New struct, items for the table.
22756         (temp_slot_address_compute_hash, temp_slot_address_hash,
22757         temp_slot_address_eq, insert_temp_slot_address): Support functions
22758         for the new table.
22759         (find_temp_slot_from_address): Rewrite to use the new hash table.
22760         (remove_unused_temp_slot_addresses): Remove addresses of temp
22761         slots that have been made available.
22762         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
22763         worker function for remove_unused_temp_slot_addresses.
22764         (assign_stack_temp_for_type): Don't clear the temp slot address list.
22765         Add the temp slot address to the address -> temp slot map.
22766         (update_temp_slot_address): Update via insert_temp_slot_address.
22767         (free_temp_slots): Call remove_unused_temp_slot_addresses.
22768         (pop_temp_slots): Likewise.
22769         (init_temp_slots): Allocate the address -> temp slot map, or empty
22770         the map if it is already allocated.
22771         (prepare_function_start): Initialize temp slot processing.
22772
22773 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
22774
22775         PR middle-end/38584
22776         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
22777         Calculate the size of all stack vars assuming no packing of stack
22778         vars will happen, replacing a quadratic algorithm with a linear one.
22779
22780 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
22781
22782         PR target/38707
22783         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
22784         can't be used.
22785
22786 2009-01-03  Diego Novillo  <dnovillo@google.com>
22787
22788         * doc/contrib.texi: Update contributions.
22789
22790 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
22791
22792         PR c++/38705
22793         * builtins.c (fold_builtin_memory_op): Give up if either operand
22794         is volatile.  Set srctype or desttype to non-qualified version
22795         of the other type.
22796
22797         PR c/38700
22798         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
22799         and FUNCTION_DECLs.
22800
22801 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
22802
22803         PR rtl-optimization/35805
22804         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
22805         problem if fast dce is able to remove any instructions.
22806         * dce.c (dce_process_block): Fix dump message.
22807
22808 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
22809
22810         PR 33649
22811         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
22812
22813 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
22814
22815         PR middle-end/38690
22816         * tree-flow.h (op_code_prio, op_prio): New prototypes.
22817         * tree-pretty-print.c (op_code_prio): New function.
22818         (op_prio): No longer static.  Use op_code_prio.
22819         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
22820         Use op_prio and op_code_prio to determine if () should be
22821         printed around operand(s) or not.
22822
22823         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
22824         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
22825         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
22826         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
22827         pp_character instead of pp_string for single letter printing.
22828
22829 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
22830
22831         * doc/extend.texi: Fix '#pragma GCC option' typo.
22832
22833 2009-01-02  Richard Guenther  <rguenther@suse.de>
22834
22835         * doc/install.texi (--enable-checking): Mention different
22836         default for stage1.
22837         (--enable-stage1-checking): Document.
22838
22839 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
22840
22841         PR middle-end/30142
22842         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
22843         case to be an error.
22844
22845 2009-01-02  Ben Elliston  <bje@au.ibm.com>
22846
22847         * config/fp-bit.h (pack_d): Constify argument.
22848         * config/fp-bit.c (makenan): Constify return type. Remove casts.
22849         (isnan): Constify argument.
22850         (isinf): Likewise.
22851         (iszero): Likewise.
22852         (pack_d): Likewise.
22853         (_fpadd_parts): Constify return type.
22854         (_fpmul_parts): Likewise.
22855         (_fpdiv_parts): Likewise.
22856
22857 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
22858
22859         PR c/36489
22860         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
22861         warn about overwriting initializer with side-effects or
22862         -Woverride-init if !IMPLICIT.
22863         (output_init_element): Likewise.  Pass IMPLICIT down to
22864         add_pending_init.
22865         (process_init_element): Add IMPLICIT argument.  Pass it down
22866         to output_init_element.
22867         (push_init_element, pop_init_level, set_designator): Adjust
22868         process_init_element callers.
22869         (set_nonincremental_init, set_nonincremental_init_from_string):
22870         Adjust add_pending_init callers.
22871         (output_pending_init_elements): Adjust output_init_element callers.
22872         * c-tree.h (process_init_element): Adjust prototype.
22873         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
22874         process_init_element callers.
22875
22876 \f
22877 Copyright (C) 2009 Free Software Foundation, Inc.
22878
22879 Copying and distribution of this file, with or without modification,
22880 are permitted in any medium without royalty provided the copyright
22881 notice and this notice are preserved.