d530427c2b2ac49b0e3bd23f63d2cb9a689596e3
[gcc.git] / gcc / ChangeLog
1 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
2
3 * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
4 * tree-ssa-propagate.h: Remove the prototype for
5 stmt_makes_single_load.
6
7 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
8
9 * emit-rtl.c (set_mem_attrs_from_reg): Remove.
10 * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
11
12 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
13
14 * tree-iterator.c (EXPR_LAST_BODY): Remove.
15
16 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
17
18 * except.c (eh_region_outer_p): Remove.
19 * except.h: Remove the prototype for eh_region_outer_p.
20
21 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
22
23 * function.c (current_function_assembler_name): Remove.
24 * function.h: Remove the prototype for
25 current_function_assembler_name.
26
27 2009-04-16 Ian Lance Taylor <iant@google.com>
28
29 * rtlanal.c (alloc_reg_note): New function, broken out of
30 add_reg_note.
31 (add_reg_note): Call alloc_reg_note.
32 * rtl.h (alloc_reg_note): Declare.
33 * combine.c (try_combine): Use alloc_reg_note.
34 (recog_for_combine, move_deaths): Likewise.
35 (distribute_notes): Use alloc_reg_note and add_reg_note.
36 * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
37 * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
38 * reload1.c (eliminate_regs_1): Use alloc_reg_note.
39
40 2009-04-16 Vladimir Makarov <vmakarov@redhat.com>
41
42 PR rtl-optimization/39762
43 * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
44 ira_may_move_out_cost): Add comments about way of their usage.
45 (ira_get_register_move_cost, ira_get_may_move_cost): New
46 functions.
47
48 * ira-conflicts.c (process_regs_for_copy): Use function
49 ira_get_register_move_cost instead of global
50 ira_register_move_cost.
51
52 * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
53 color_pass, move_spill_restore, update_curr_costs): Ditto.
54
55 * ira-lives.c (process_single_reg_class_operands): Ditto.
56
57 * ira-emit.c (emit_move_list): Ditto.
58
59 * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
60 (record_reg_classes): Ditto. Use functions
61 ira_get_register_move_cost and ira_get_may_move_cost instead of
62 global vars ira_register_move_cost, ira_may_move_out_cost and
63 ira_may_move_in_cost.
64 (record_address_regs): Don't call ira_init_register_move_cost.
65 Use function ira_get_may_move_cost instead of global
66 ira_may_move_in_cost.
67 (process_bb_node_for_hard_reg_moves): Use function
68 ira_get_register_move_cost instead of global
69 ira_register_move_cost.
70 (ira_costs): Don't call ira_init_register_move_cost.
71
72 2009-04-16 Richard Guenther <rguenther@suse.de>
73
74 * tree-cfg.c (verify_gimple_assign_binary):
75 Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
76 * ipa-struct-reorg.c (gen_size): Fold the built expressions.
77 (create_general_new_stmt): Note that this function is broken.
78
79 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
80
81 * common.opt (fhelp): Add Var(help_flag).
82 * gcc-plugin.h (plugin_info): Add help.
83 * plugin.c (plugin_name_args): Add help.
84 (register_plugin_info): Set plugin->help.
85 (print_help_one_plugin): New.
86 (print_plugins_help): New.
87 * plugin.h (print_plugins_help): New.
88 * toplev.c (toplev_main): Call print_plugins_help if needed.
89
90 2009-04-16 Richard Guenther <rguenther@suse.de>
91
92 * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
93 (gimple_ior_addresses_taken_1): New function.
94 (gimple_ior_addresses_taken): Likewise.
95 * gimple.h (struct gimple_statement_with_ops_base): Remove
96 addresses_taken member.
97 (gimple_ior_addresses_taken): Declare.
98 (gimple_addresses_taken, gimple_addresses_taken_ptr,
99 gimple_set_addresses_taken): Remove.
100 * ipa-reference.c (mark_address): New function.
101 (scan_stmt_for_static_refs): Use it for marking addresses taken.
102 * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
103 (mark_address_taken): ... this. Just set TREE_ADDRESSABLE.
104 (gimple_add_to_addresses_taken): Remove.
105 (get_tmr_operands): Call mark_address_taken.
106 (get_asm_expr_operands): Likewise.
107 (get_expr_operands): Likewise.
108 (build_ssa_operands): Do not clear the addresses_taken bitmap.
109 (free_stmt_operands): Do not free it.
110 * tree-ssa.c (delete_tree_ssa): Likewise.
111 (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
112
113 2009-04-16 Richard Guenther <rguenther@suse.de>
114
115 * gimple.h (walk_stmt_load_store_addr_ops): Declare.
116 (walk_stmt_load_store_ops): Likewise.
117 * gimple.c (get_base_loadstore): New function.
118 (walk_stmt_load_store_addr_ops): Likewise.
119 (walk_stmt_load_store_ops): Likewise.
120 * ipa-pure-const.c (check_op): Simplify.
121 (check_load, check_store): New functions.
122 (check_stmt): Use walk_stmt_load_store_ops.
123 * ipa-reference.c (mark_load): Adjust signature.
124 (mark_store): Likewise.
125 (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
126
127 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
128
129 * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
130 (plugin_info): New.
131 * opts.c (common_handle_option): Don't call print_version.
132 * plugin.c (plugin_name_args): Add version.
133 (register_plugin_info): New.
134 (register_callback): Handle PLUGIN_INFO.
135 (try_init_one_plugin): New.
136 (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
137 if failed to init.
138 (finalize_one_plugin): New.
139 (finalize_plugins): New.
140 (print_one_plugin): New.
141 (print_plugins_versions): New.
142 * plugin.h (print_plugins_versions): New.
143 (finalize_plugins): New.
144 * toplev.c (compile_file): Don't call initialize_plugins.
145 (print_version): Call print_plugins_versions.
146 (toplev_main): Call initialize_plugins. Print version if needed.
147 Call finalize_plugins.
148
149 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
150
151 * common.opt (fversion): New.
152 * gcc.c (print_version): New.
153 (process_command): Don't print the version. Just set print_version.
154 (main): Print version. Call subprocesses if print_version and
155 verbose_flag are set.
156 * opts.c (common_handle_option): Handle OPT_fversion.
157
158 2009-04-16 Richard Guenther <rguenther@suse.de>
159 Ira Rosen <irar@il.ibm.com>
160
161 PR tree-optimization/39698
162 * tree-vect-loop.c (get_initial_def_for_reduction): Use the
163 type of the reduction variable. Only generate the def if
164 it is needed.
165
166 * omp-low.c (expand_omp_for_generic): When converting to a pointer
167 make sure to first convert to an integer of the same precision.
168 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
169 the type of the evolution correctly in computing the new
170 induction variable base.
171
172 2009-04-16 Richard Guenther <rguenther@suse.de>
173
174 PR middle-end/39625
175 * tree-cfg.c (make_blocks): Split statements with to-be
176 abnormal SSA names on the lhs.
177
178 2009-04-16 Paolo Bonzini <bonzini@gnu.org>
179
180 * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
181 Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
182 * c-typeck.c (really_start_incremental_init): Likewise.
183 * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
184 (TARGET_INITIALIZER): Remove it.
185 * target.h (struct target): Remove vector_opaque_p.
186 * tree.c (build_opaque_vector_type): New.
187 * tree.h (TYPE_VECTOR_OPAQUE): New.
188 (build_opaque_vector_type): Declare.
189 * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
190 * config/rs6000/rs6000.c (build_opaque_vector_type,
191 rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
192 (rs6000_init_builtins): Use build_opaque_vector_type for
193 opaque_V4SI_type_node.
194
195 2009-04-15 Catherine Moore <clm@codesourcery.com>
196
197 * debug.h (set_name): Declare.
198 * dwarf2out.c (dwarf2out_set_name): Declare.
199 (dwarf2_debug_hooks): Add set_name.
200 (find_AT_string): New.
201 (add_AT_string): Call find_AT_string.
202 (dwarf2out_set_name): New.
203 * cp/decl.c (grokdeclarator): Call set_name.
204 * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
205 * debug.c (do_nothing_debug_hooks): Likewise.
206 * dbxout.c (dbx_debug_hooks): Likewise.
207 * sdbout.c (sdb_debug_hooks): Likewise.
208
209 2009-04-15 Michael Eager <eager@eagercon.com>
210
211 * config/rs6000/rs6000.c: rs6000_function_value: set function return
212 reg for single-precision FPU
213 * config/rs6000/rs6000.md: (movsi_internal1): only for !TARGET_SINGLE_FPU
214 (movsi_internal1_single): New: add pattern to move SI values to/from
215 single-precision FP regs.
216
217 2009-04-15 Richard Guenther <rguenther@suse.de>
218
219 * omp-low.c (lower_rec_input_clauses): Build correct address
220 expressions.
221 (expand_omp_for_generic): Fix multiplication type.
222 * tree-loop-distribution.c (build_size_arg): Build a
223 size_t argument.
224 (generate_memset_zero): Fix types.
225 * tree-profile.c (prepare_instrumented_value): Correctly
226 widen a pointer.
227
228 2009-04-15 Ian Lance Taylor <iant@google.com>
229
230 * c.opt (Wenum-compare): Enable for C and Objc. Initialize to -1.
231 * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
232 for -Wall and for -Wc++-compat.
233 (c_common_post_options): For C++, set warn_enum_compare if not
234 already set.
235 * c-tree.h (struct c_expr): Add field original_type.
236 (build_external_ref): Update declaration.
237 * c-parser.c (c_parser_braced_init): Set original_type.
238 (c_parser_initelt): Likewise.
239 (c_parser_expr_no_commas): Likewise.
240 (c_parser_conditional_expression): Likewise.
241 (c_parser_cast_expression): Likewise.
242 (c_parser_unary_expression): Likewise. Pull setting of
243 original_code to top of function.
244 (c_parser_sizeof_expression): Set original_type.
245 (c_parser_alignof_expression): Likewise.
246 (c_parser_postfix_expression): Likewise. Pull setting of
247 original_code to top of function.
248 (c_parser_postfix_expression_after_paren_type): Set
249 original_type.
250 (c_parser_postfix_expression_after_primary): Likewise.
251 (c_parser_expression): Likewise.
252 * c-typeck.c (build_external_ref): Add type parameter. Change all
253 callers.
254 (c_expr_sizeof_expr): Set original_type field.
255 (parser_build_unary_op): Likewise.
256 (parser_build_binary_op): Likewise. Optionally warn about
257 comparisons of enums of different types.
258 (digest_init): Set original_type field.
259 (really_start_incremental_init): Likewise.
260 (push_init_level, pop_init_level): Likewise.
261 * doc/invoke.texi (Warning Options): -Wenum-compare now
262 supported in C.
263
264 2009-04-15 Richard Guenther <rguenther@suse.de>
265
266 * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
267 out a necessary conversion.
268 * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
269 names we didn't value number.
270 * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
271
272 2009-04-15 Richard Guenther <rguenther@suse.de>
273
274 PR tree-optimization/39764
275 * tree-ssa-ccp.c (get_value): Canonicalize value with
276 canonicalize_float_value.
277
278 2009-04-15 Jan Hubicka <jh@suse.cz>
279
280 * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
281 Wrong version of patch.
282
283 2009-04-15 Jan Hubicka <jh@suse.cz>
284
285 * builtins.def (va_start, va_end, va_copy): Mark nothrow.
286
287 2009-04-15 Nathan Sidwell <nathan@codesourcery.com>
288
289 * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
290 our distinct integral and vector types.
291
292 2009-04-15 Rafael Avila de Espindola <espindola@google.com>
293
294 * class.c (build_vtbl_ref_1): Remove call to assemble_external.
295 * init.c (build_vtbl_address): Remove call to assemble_external.
296
297 2009-04-14 Daniel Jacobowitz <dan@codesourcery.com>
298
299 * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
300 output for other floating point modes.
301
302 2009-04-14 Diego Novillo <dnovillo@google.com>
303
304 * diagnostic.c (diagnostic_report_diagnostic): Do not
305 warn about loaded plugins for DK_ERROR and DK_WARNING.
306 * c-decl.c (declspecs_add_type): Move call to
307 invoke_plugin_callbacks ...
308 * c-parser.c (c_parser_declspecs): ... here.
309 * plugin.c (dump_active_plugins): Tidy output.
310
311 2009-04-14 Diego Novillo <dnovillo@google.com>
312 Le-Chun Wu <lcwu@google.com>
313
314 * configure.ac: Add --enable-plugin support.
315 Define ENABLE_PLUGIN and PLUGINLIBS when specified.
316 * Makefile.in (PLUGIN_H): Define.
317 Export ENABLE_PLUGIN and GMPINC to site.exp.
318 Add PLUGINLIBS to link command.
319 Add/modify dependencies for plugin.o and files including plugin.h.
320 (plugin.o): New.
321 * config.in: Regenerate.
322
323 * opts.c (common_handle_option): Handle OPT_fplugin_ and
324 OPT_fplugin_arg_.
325
326 2009-04-14 Le-Chun Wu <lcwu@google.com>
327
328 * tree-pass.h (register_one_dump_file): Add a prototype for
329 register_one_dump_file.
330 * toplev.c (compile_file): Call initialize_plugins.
331 (do_compile): Call invoke_plugin_callbacks.
332 (toplev_main): Call invoke_plugin_callbacks.
333 * common.opt: Add -fplugin= and -fplugin-arg-.
334 * gcc-plugin.h: New public header file for plugins to include.
335 * plugin.c: New source file.
336 * plugin.h: New internal header file.
337 * passes.c (register_one_dump_file): Make it external.
338
339 * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
340
341 2009-04-14 Diego Novillo <dnovillo@google.com>
342
343 * doc/plugins.texi: New.
344 * doc/gccint.texi: Add reference to Plugins chapter.
345 * doc/invoke.texi: Document -fplugin and -fplugin-arg
346 * diagnostic.c (diagnostic_report_diagnostic): Warn about
347 loaded plugins, if any.
348 * timevar.def (TV_PLUGIN_INIT): Define.
349 (TV_PLUGIN_RUN): Define.
350 * plugin.c: Include timevar.h
351 (plugins_active_p): New.
352 (dump_active_plugins): New.
353 (debug_active_plugins): New.
354
355 2009-04-14 Joseph Myers <joseph@codesourcery.com>
356
357 * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
358 library paths.
359 * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
360
361 2009-04-14 Kazu Hirata <kazu@codesourcery.com>
362
363 * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
364 the same as a minus without a shift.
365
366 2009-04-14 Nick Clifton <nickc@redhat.com>
367
368 * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
369 comparisons with small integers will always produce a short
370 branch.
371
372 2009-04-14 Rafael Avila de Espindola <espindola@google.com>
373
374 Merge:
375
376 2008-12-19 Diego Novillo <dnovillo@google.com>
377
378 * cgraph.c (dump_cgraph_node): Show memory address of NODE.
379
380 2000-04-14 Richard Guenther <rguenther@suse.de>
381
382 * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
383 verification.
384 (verify_gimple_assign_binary): Likewise. Handle shifts and
385 rotates correctly.
386 (verify_gimple_phi): Print the mismatched argument position.
387 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
388 Fix types.
389 (vect_update_init_of_dr): Likewise.
390 * matrix-reorg.c (transform_access_sites): Do what the
391 comment suggests.
392 * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
393
394 2009-04-13 Michael Eager <eager@eagercon.com>
395
396 * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
397 _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
398 * config/rs6000/xilinx.h: New. Spec for powerpc-xilinx-eabi
399 * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
400 remove duplicate config
401
402 2009-04-13 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
403
404 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
405 file_name:line_number type locator of the call site.
406
407 2009-04-13 Vladimir Makarov <vmakarov@redhat.com>
408
409 * genautomata.c: Put blank after comma.
410 (automaton_decls): New.
411 (struct unit_usage): Add comments to member next.
412 (store_alt_unit_usage): Keep the list ordered.
413 (unit_present_on_list_p, equal_alternatives_p): New.
414 (check_regexp_units_distribution): Check units distribution
415 correctness correctly.
416 (main): Don't write automata if error is found. Return correct
417 exit code.
418
419 * config/m68k/cf.md (cfv4_ds): Remove.
420 (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
421 cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
422
423 * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
424 power4-load-ext, power4-store, power4-store-update,
425 power4-fpstore, power4-fpstore-update, power4-two, power4-three,
426 power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
427 power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
428 power4-sqrt, power4-isync): Modify reservation to make correct
429 unit distribution to automata.
430
431 * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
432 power5-store-update, power5-two, power5-three, power5-lmul,
433 power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
434
435 2009-04-13 Adam Nemet <anemet@caviumnetworks.com>
436
437 * except.c (pass_set_nothrow_function_flags): Set name and add
438 TODO_dump_func.
439 (set_nothrow_function_flags): Mention in the dump file when
440 changing a function to nothrow.
441
442 2009-04-13 Ozkan Sezer <sezeroz@gmail.com>
443
444 PR/39066
445 * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
446 instead of unsigned long.
447
448 2009-04-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
449
450 * config/arm/arm.c (return_used_this_function): Remove.
451 (arm_output_function_prologue): Remove use of
452 return_used_this_function.
453 (output_return_instruction): Replace use of
454 return_used_this_function
455 by cfun->machine->return_used_this_function.
456 (arm_output_epilogue): Likewise.
457 (arm_output_function_epilogue): Likewise.
458 (thumb_unexpanded_epilogue): Likewise.
459 * config/arm/arm.h (struct machine_function):
460 New member return_used_this_function.
461
462 2009-04-12 Mark Mitchell <mark@codesourcery.com>
463
464 * doc/install.texi: Correct description of default directory for
465 --with-gxx-include-dir.
466
467 2009-04-12 Eric Botcazou <ebotcazou@adacore.com>
468
469 * fold-const.c (build_range_check): Properly deal with enumeral and
470 boolean base types.
471
472 2009-04-12 Steven Bosscher <steven@gcc.gnu.org>
473
474 * doc/invoke.texi (max_gcse_passes): Remove documentation.
475 * params.def (PARAM_MAX_GCSE_PASSES): Remove.
476 * params.h (MAX_GCSE_PASSES): Remove.
477 * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
478 in sequence. Remove ability to run multiple passes.
479 (bypass_jumps): Report run as third CPROP pass.
480
481 2009-04-12 Adam Nemet <anemet@caviumnetworks.com>
482
483 PR middle-end/39651
484 * except.c (can_throw_external): Look at each insn in a SEQUENCE
485 when deciding whether the whole SEQUENCE can throw.
486
487 2009-04-12 Uros Bizjak <ubizjak@gmail.com>
488
489 PR target/39740
490 * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
491 offseted label references.
492
493 2009-04-11 Jan Hubicka <jh@suse.cz>
494
495 * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
496
497 2009-04-11 Richard Guenther <rguenther@suse.de>
498
499 PR middle-end/39732
500 * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
501 return variables as TREE_ADDRESSABLE.
502
503 2009-04-11 Richard Guenther <rguenther@suse.de>
504
505 PR tree-optimization/39713
506 * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
507 reference trees have SSA_NAME operands.
508
509 2009-04-11 Richard Guenther <rguenther@suse.de>
510
511 PR c/39712
512 * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
513 address expressions.
514
515 2009-04-11 Dave Korn <dave.korn.cygwin@gmail.com>
516
517 * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE): Update to
518 match changes in Cygwin 1.7
519 (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
520 UINT_FAST16_TYPE, UINT_FAST32_TYPE): Likewise.
521
522 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
523
524 PR tree-optimization/39701
525 * doc/invoke.texi (Optimization Options): Document change in
526 meaning and initialization of -fdelete-null-pointer-checks.
527
528 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
529
530 PR middle-end/39701
531 * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
532
533 * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
534 here.
535
536 * doc/invoke.texi: Update -fdelete-null-pointer-checks.
537
538 2009-04-10 Chao-ying Fu <fu@mips.com>
539
540 * doc/tm.texi (Instruction Output): Document
541 TARGET_ASM_FINAL_POSTSCAN_INSN.
542 * target.h (final_postscan_insn): New field in asm_out.
543 * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
544 (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
545 * final.c (final_scan_insn): Call
546 targetm.asm_out.final_postscan_insn after outputting
547 an asm macro and a normal instruction.
548
549 * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
550 * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
551 * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
552 (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
553 (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
554
555 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
556
557 PR middle-end/39701
558 * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
559 variables as non-NULL even with -fdelete-null-pointer-checks.
560
561 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
562
563 * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
564
565 2009-04-09 H.J. Lu <hongjiu.lu@intel.com>
566
567 PR target/39678
568 * config/i386/i386.c (classify_argument): Handle SCmode with
569 (bit_offset % 64) != 0.
570
571 2009-04-09 Sandra Loosemore <sandra@codesourcery.com>
572
573 * doc/invoke.texi (Optimize Options): Add cross-reference to
574 -Q --help=optimizers examples.
575
576 2009-04-10 Ben Elliston <bje@au.ibm.com>
577
578 PR target/36800
579 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
580 regalign for the reg == fpr and TDmode case.
581
582 2009-04-09 David Ayers <ayers@fsfe.org>
583
584 PR objc/29200
585 * objc/objc-act.c (warn_with_method): Remove helper function.
586 (check_duplicates): Call warning and inform directly.
587 (really_start_method): Likewise.
588
589 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
590
591 * expmed.c (expand_divmod): Always use a comparison for a division
592 by a large unsigned integer.
593
594 * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
595 for things others than variables or functions as nonzero.
596
597 2009-04-09 Nick Clifton <nickc@redhat.com>
598
599 * unwind-compat.c: Change copyright header to refer to version
600 3 of the GNU General Public License with version 3.1 of the
601 GCC Runtime Library Exception and to point readers at the
602 COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
603 * config/alpha/crtfastmath.c: Likewise.
604 * config/alpha/linux-unwind.h: Likewise.
605 * config/alpha/qrnnd.asm: Likewise.
606 * config/alpha/vms-crt0-64.c: Likewise.
607 * config/alpha/vms-crt0.c: Likewise.
608 * config/alpha/vms-dwarf2.asm: Likewise.
609 * config/alpha/vms-dwarf2eh.asm: Likewise.
610 * config/alpha/vms-psxcrt0-64.c: Likewise.
611 * config/alpha/vms-psxcrt0.c: Likewise.
612 * config/alpha/vms_tramp.asm: Likewise.
613 * config/arc/initfini.c: Likewise.
614 * config/arc/lib1funcs.asm: Likewise.
615 * config/arm/bpabi-v6m.S: Likewise.
616 * config/arm/bpabi.S: Likewise.
617 * config/arm/bpabi.c: Likewise.
618 * config/arm/crti.asm: Likewise.
619 * config/arm/crtn.asm: Likewise.
620 * config/arm/ieee754-df.S: Likewise.
621 * config/arm/ieee754-sf.S: Likewise.
622 * config/arm/lib1funcs.asm: Likewise.
623 * config/arm/libunwind.S: Likewise.
624 * config/arm/linux-atomic.c: Likewise.
625 * config/arm/mmintrin.h: Likewise.
626 * config/arm/pr-support.c: Likewise.
627 * config/arm/unaligned-funcs.c: Likewise.
628 * config/arm/unwind-arm.c: Likewise.
629 * config/arm/unwind-arm.h: Likewise.
630 * config/avr/libgcc.S: Likewise.
631 * config/bfin/crti.s: Likewise.
632 * config/bfin/crtlibid.s: Likewise.
633 * config/bfin/crtn.s: Likewise.
634 * config/bfin/lib1funcs.asm: Likewise.
635 * config/bfin/linux-unwind.h: Likewise.
636 * config/cris/arit.c: Likewise.
637 * config/cris/cris_abi_symbol.c: Likewise.
638 * config/darwin-64.c: Likewise.
639 * config/darwin-crt2.c: Likewise.
640 * config/darwin-crt3.c: Likewise.
641 * config/darwin.h: Likewise.
642 * config/dbxelf.h: Likewise.
643 * config/dfp-bit.c: Likewise.
644 * config/dfp-bit.h: Likewise.
645 * config/elfos.h: Likewise.
646 * config/fixed-bit.c: Likewise.
647 * config/fixed-bit.h: Likewise.
648 * config/fp-bit.c: Likewise.
649 * config/fp-bit.h: Likewise.
650 * config/fr30/crti.asm: Likewise.
651 * config/fr30/crtn.asm: Likewise.
652 * config/fr30/lib1funcs.asm: Likewise.
653 * config/freebsd-spec.h: Likewise.
654 * config/frv/cmovd.c: Likewise.
655 * config/frv/cmovh.c: Likewise.
656 * config/frv/cmovw.c: Likewise.
657 * config/frv/frvbegin.c: Likewise.
658 * config/frv/frvend.c: Likewise.
659 * config/frv/lib1funcs.asm: Likewise.
660 * config/glibc-stdint.h: Likewise.
661 * config/h8300/clzhi2.c: Likewise.
662 * config/h8300/crti.asm: Likewise.
663 * config/h8300/crtn.asm: Likewise.
664 * config/h8300/ctzhi2.c: Likewise.
665 * config/h8300/fixunssfsi.c: Likewise.
666 * config/h8300/lib1funcs.asm: Likewise.
667 * config/h8300/parityhi2.c: Likewise.
668 * config/h8300/popcounthi2.c: Likewise.
669 * config/i386/ammintrin.h: Likewise.
670 * config/i386/att.h: Likewise.
671 * config/i386/avxintrin.h: Likewise.
672 * config/i386/biarch64.h: Likewise.
673 * config/i386/bmmintrin.h: Likewise.
674 * config/i386/cpuid.h: Likewise.
675 * config/i386/cross-stdarg.h: Likewise.
676 * config/i386/crtfastmath.c: Likewise.
677 * config/i386/crtprec.c: Likewise.
678 * config/i386/cygming-crtbegin.c: Likewise.
679 * config/i386/cygming-crtend.c: Likewise.
680 * config/i386/cygwin.asm: Likewise.
681 * config/i386/emmintrin.h: Likewise.
682 * config/i386/gmm_malloc.h: Likewise.
683 * config/i386/gthr-win32.c: Likewise.
684 * config/i386/i386.h: Likewise.
685 * config/i386/immintrin.h: Likewise.
686 * config/i386/linux-unwind.h: Likewise.
687 * config/i386/linux64.h: Likewise.
688 * config/i386/mm3dnow.h: Likewise.
689 * config/i386/mmintrin-common.h: Likewise.
690 * config/i386/mmintrin.h: Likewise.
691 * config/i386/nmmintrin.h: Likewise.
692 * config/i386/pmm_malloc.h: Likewise.
693 * config/i386/pmmintrin.h: Likewise.
694 * config/i386/smmintrin.h: Likewise.
695 * config/i386/sol2-c1.asm: Likewise.
696 * config/i386/sol2-ci.asm: Likewise.
697 * config/i386/sol2-cn.asm: Likewise.
698 * config/i386/sol2-gc1.asm: Likewise.
699 * config/i386/tmmintrin.h: Likewise.
700 * config/i386/unix.h: Likewise.
701 * config/i386/w32-unwind.h: Likewise.
702 * config/i386/wmmintrin.h: Likewise.
703 * config/i386/x86-64.h: Likewise.
704 * config/i386/x86intrin.h: Likewise.
705 * config/i386/xmmintrin.h: Likewise.
706 * config/ia64/crtbegin.asm: Likewise.
707 * config/ia64/crtend.asm: Likewise.
708 * config/ia64/crtfastmath.c: Likewise.
709 * config/ia64/crti.asm: Likewise.
710 * config/ia64/crtn.asm: Likewise.
711 * config/ia64/fde-glibc.c: Likewise.
712 * config/ia64/lib1funcs.asm: Likewise.
713 * config/ia64/linux-unwind.h: Likewise.
714 * config/ia64/quadlib.c: Likewise.
715 * config/ia64/unwind-ia64.c: Likewise.
716 * config/linux.h: Likewise.
717 * config/m32c/m32c-lib1.S: Likewise.
718 * config/m32c/m32c-lib2-trapv.c: Likewise.
719 * config/m32c/m32c-lib2.c: Likewise.
720 * config/m32r/initfini.c: Likewise.
721 * config/m68hc11/larith.asm: Likewise.
722 * config/m68hc11/m68hc11-crt0.S: Likewise.
723 * config/m68k/cf.md: Likewise.
724 * config/m68k/crti.s: Likewise.
725 * config/m68k/crtn.s: Likewise.
726 * config/m68k/lb1sf68.asm: Likewise.
727 * config/m68k/linux-unwind.h: Likewise.
728 * config/mcore/crti.asm: Likewise.
729 * config/mcore/crtn.asm: Likewise.
730 * config/mcore/lib1.asm: Likewise.
731 * config/mips/linux-unwind.h: Likewise.
732 * config/mips/loongson.h: Likewise.
733 * config/mips/mips16.S: Likewise.
734 * config/mmix/crti.asm: Likewise.
735 * config/mmix/crtn.asm: Likewise.
736 * config/pa/fptr.c: Likewise.
737 * config/pa/hpux-unwind.h: Likewise.
738 * config/pa/lib2funcs.asm: Likewise.
739 * config/pa/linux-atomic.c: Likewise.
740 * config/pa/linux-unwind.h: Likewise.
741 * config/pa/milli64.S: Likewise.
742 * config/pa/quadlib.c: Likewise.
743 * config/pa/stublib.c: Likewise.
744 * config/picochip/libgccExtras/adddi3.asm: Likewise.
745 * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
746 * config/picochip/libgccExtras/ashlsi3.c: Likewise.
747 * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
748 * config/picochip/libgccExtras/ashrsi3.c: Likewise.
749 * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
750 * config/picochip/libgccExtras/divmod15.asm: Likewise.
751 * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
752 * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
753 * config/picochip/libgccExtras/longjmp.asm: Likewise.
754 * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
755 * config/picochip/libgccExtras/lshrsi3.c: Likewise.
756 * config/picochip/libgccExtras/parityhi2.asm: Likewise.
757 * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
758 * config/picochip/libgccExtras/setjmp.asm: Likewise.
759 * config/picochip/libgccExtras/subdi3.asm: Likewise.
760 * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
761 * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
762 * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
763 * config/rs6000/750cl.h: Likewise.
764 * config/rs6000/altivec.h: Likewise.
765 * config/rs6000/biarch64.h: Likewise.
766 * config/rs6000/crtresfpr.asm: Likewise.
767 * config/rs6000/crtresgpr.asm: Likewise.
768 * config/rs6000/crtresxfpr.asm: Likewise.
769 * config/rs6000/crtresxgpr.asm: Likewise.
770 * config/rs6000/crtsavfpr.asm: Likewise.
771 * config/rs6000/crtsavgpr.asm: Likewise.
772 * config/rs6000/darwin-asm.h: Likewise.
773 * config/rs6000/darwin-fallback.c: Likewise.
774 * config/rs6000/darwin-fpsave.asm: Likewise.
775 * config/rs6000/darwin-ldouble.c: Likewise.
776 * config/rs6000/darwin-tramp.asm: Likewise.
777 * config/rs6000/darwin-unwind.h: Likewise.
778 * config/rs6000/darwin-vecsave.asm: Likewise.
779 * config/rs6000/darwin-world.asm: Likewise.
780 * config/rs6000/e500crtres32gpr.asm: Likewise.
781 * config/rs6000/e500crtres64gpr.asm: Likewise.
782 * config/rs6000/e500crtres64gprctr.asm: Likewise.
783 * config/rs6000/e500crtrest32gpr.asm: Likewise.
784 * config/rs6000/e500crtrest64gpr.asm: Likewise.
785 * config/rs6000/e500crtresx32gpr.asm: Likewise.
786 * config/rs6000/e500crtresx64gpr.asm: Likewise.
787 * config/rs6000/e500crtsav32gpr.asm: Likewise.
788 * config/rs6000/e500crtsav64gpr.asm: Likewise.
789 * config/rs6000/e500crtsav64gprctr.asm: Likewise.
790 * config/rs6000/e500crtsavg32gpr.asm: Likewise.
791 * config/rs6000/e500crtsavg64gpr.asm: Likewise.
792 * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
793 * config/rs6000/eabi-ci.asm: Likewise.
794 * config/rs6000/eabi-cn.asm: Likewise.
795 * config/rs6000/eabi.asm: Likewise.
796 * config/rs6000/linux-unwind.h: Likewise.
797 * config/rs6000/linux64.h: Likewise.
798 * config/rs6000/paired.h: Likewise.
799 * config/rs6000/paired.md: Likewise.
800 * config/rs6000/ppc64-fp.c: Likewise.
801 * config/rs6000/ppu_intrinsics.h: Likewise.
802 * config/rs6000/rs6000.h: Likewise.
803 * config/rs6000/si2vmx.h: Likewise.
804 * config/rs6000/sol-ci.asm: Likewise.
805 * config/rs6000/sol-cn.asm: Likewise.
806 * config/rs6000/spe.h: Likewise.
807 * config/rs6000/spu2vmx.h: Likewise.
808 * config/rs6000/sysv4.h: Likewise.
809 * config/rs6000/tramp.asm: Likewise.
810 * config/rs6000/vec_types.h: Likewise.
811 * config/s390/linux-unwind.h: Likewise.
812 * config/s390/tpf-unwind.h: Likewise.
813 * config/score/crti.asm: Likewise.
814 * config/score/crtn.asm: Likewise.
815 * config/sh/crt1.asm: Likewise.
816 * config/sh/crti.asm: Likewise.
817 * config/sh/crtn.asm: Likewise.
818 * config/sh/divtab-sh4-300.c: Likewise.
819 * config/sh/divtab-sh4.c: Likewise.
820 * config/sh/divtab.c: Likewise.
821 * config/sh/lib1funcs-4-300.asm: Likewise.
822 * config/sh/lib1funcs-Os-4-200.asm: Likewise.
823 * config/sh/lib1funcs.asm: Likewise.
824 * config/sh/lib1funcs.h: Likewise.
825 * config/sh/linux-atomic.asm: Likewise.
826 * config/sh/linux-unwind.h: Likewise.
827 * config/sh/shmedia.h: Likewise.
828 * config/sh/sshmedia.h: Likewise.
829 * config/sh/ushmedia.h: Likewise.
830 * config/sparc/crtfastmath.c: Likewise.
831 * config/sparc/linux-unwind.h: Likewise.
832 * config/sparc/sol2-c1.asm: Likewise.
833 * config/sparc/sol2-ci.asm: Likewise.
834 * config/sparc/sol2-cn.asm: Likewise.
835 * config/spu/divmodti4.c: Likewise.
836 * config/spu/divv2df3.c: Likewise.
837 * config/spu/float_disf.c: Likewise.
838 * config/spu/float_unsdidf.c: Likewise.
839 * config/spu/float_unsdisf.c: Likewise.
840 * config/spu/float_unssidf.c: Likewise.
841 * config/spu/mfc_multi_tag_release.c: Likewise.
842 * config/spu/mfc_multi_tag_reserve.c: Likewise.
843 * config/spu/mfc_tag_release.c: Likewise.
844 * config/spu/mfc_tag_reserve.c: Likewise.
845 * config/spu/mfc_tag_table.c: Likewise.
846 * config/spu/multi3.c: Likewise.
847 * config/spu/spu_internals.h: Likewise.
848 * config/spu/spu_intrinsics.h: Likewise.
849 * config/spu/spu_mfcio.h: Likewise.
850 * config/spu/vec_types.h: Likewise.
851 * config/spu/vmx2spu.h: Likewise.
852 * config/stormy16/stormy16-lib2.c: Likewise.
853 * config/svr4.h: Likewise.
854 * config/sync.c: Likewise.
855 * config/v850/lib1funcs.asm: Likewise.
856 * config/vxlib-tls.c: Likewise.
857 * config/vxlib.c: Likewise.
858 * config/vxworks-dummy.h: Likewise.
859 * config/xtensa/crti.asm: Likewise.
860 * config/xtensa/crtn.asm: Likewise.
861 * config/xtensa/ieee754-df.S: Likewise.
862 * config/xtensa/ieee754-sf.S: Likewise.
863 * config/xtensa/lib1funcs.asm: Likewise.
864 * config/xtensa/lib2funcs.S: Likewise.
865 * config/xtensa/linux-unwind.h: Likewise.
866 * config/xtensa/unwind-dw2-xtensa.c: Likewise.
867 * config/xtensa/unwind-dw2-xtensa.h: Likewise.
868 * coretypes.h: Likewise.
869 * crtstuff.c: Likewise.
870 * defaults.h: Likewise.
871 * dwarf2.h: Likewise.
872 * emutls.c: Likewise.
873 * gbl-ctors.h: Likewise.
874 * gcov-io.h: Likewise.
875 * ginclude/float.h: Likewise.
876 * ginclude/iso646.h: Likewise.
877 * ginclude/stdarg.h: Likewise.
878 * ginclude/stdbool.h: Likewise.
879 * ginclude/stddef.h: Likewise.
880 * ginclude/stdfix.h: Likewise.
881 * ginclude/stdint-gcc.h: Likewise.
882 * ginclude/tgmath.h: Likewise.
883 * gthr-aix.h: Likewise.
884 * gthr-dce.h: Likewise.
885 * gthr-gnat.c: Likewise.
886 * gthr-gnat.h: Likewise.
887 * gthr-lynx.h: Likewise.
888 * gthr-mipssde.h: Likewise.
889 * gthr-nks.h: Likewise.
890 * gthr-posix.c: Likewise.
891 * gthr-posix.h: Likewise.
892 * gthr-posix95.h: Likewise.
893 * gthr-rtems.h: Likewise.
894 * gthr-single.h: Likewise.
895 * gthr-solaris.h: Likewise.
896 * gthr-tpf.h: Likewise.
897 * gthr-vxworks.h: Likewise.
898 * gthr-win32.h: Likewise.
899 * gthr.h: Likewise.
900 * libgcc2.c: Likewise.
901 * libgcc2.h: Likewise.
902 * libgcov.c: Likewise.
903 * tsystem.h: Likewise.
904 * typeclass.h: Likewise.
905 * unwind-c.c: Likewise.
906 * unwind-compat.h: Likewise.
907 * unwind-dw2-fde-compat.c: Likewise.
908 * unwind-dw2-fde-darwin.c: Likewise.
909 * unwind-dw2-fde-glibc.c: Likewise.
910 * unwind-dw2-fde.c: Likewise.
911 * unwind-dw2-fde.h: Likewise.
912 * unwind-dw2.c: Likewise.
913 * unwind-dw2.h: Likewise.
914 * unwind-generic.h: Likewise.
915 * unwind-pe.h: Likewise.
916 * unwind-sjlj.c: Likewise.
917 * unwind.inc: Likewise.
918 * config/arm/neon-gen.ml: Change generated copyright header to
919 refer to version 3 of the GNU General Public License with
920 version 3.1 of the GCC Runtime Library Exception and to point
921 readers at the COPYING3 and COPYING3.RUNTIME files and the
922 FSF's license web page.
923 * config/arm/arm_neon.h: Regenerate.
924
925 2009-04-09 Jakub Jelinek <jakub@redhat.com>
926
927 * config/cris/cris.md: Change copyright header to refer to version
928 3 of the GNU General Public License.
929 * doc/install.texi2html: Change copyright header to refer to version
930 3 of the GNU General Public License and to point readers at the
931 COPYING3 file and the FSF's license web page.
932 * config/vax/linux.h: Likewise.
933
934 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
935
936 * config/i386/i386.md (cmpcc): New.
937 * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
938 (sync_compare_and_swap_cc*): Delete.
939
940 * config/s390/s390.c (s390_compare_emitted): Remove.
941 (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
942 s390_compare_emitted used to be handled. Assert that modes match.
943 (s390_emit_compare_and_swap): Use s390_emit_compare, do not
944 refer to sync_compare_and_swap_ccsi.
945 * config/s390/s390.h (s390_compare_emitted): Remove.
946 * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
947 instead of s390_compare_emitted.
948 (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
949 instead of s390_compare_emitted.
950 * config/s390/s390.md (cmpcc): New.
951 (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
952 CC_REGNUM, do not pretend it's set.
953 (sync_compare_and_swap_cc*): Delete.
954 * config/s390/predicates.md (cc_reg_operand): New.
955
956 * expr.c (sync_compare_and_swap_cc): Delete.
957 * optabs.h (sync_compare_and_swap_cc): Delete.
958 * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
959 is being used with can_compare_p.
960 (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
961 (find_cc_set): New.
962 (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
963 look for a MODE_CC set instead. Use emit_store_flag.
964 (expand_compare_and_swap_loop): Likewise, with some additional
965 complication to avoid a force_reg when useless. Use
966 emit_cmp_and_jump_insns.
967 * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
968 * doc/md.texi (sync_compare_and_swap_cc): Merge with
969 sync_compare_and_swap documentation.
970
971 2009-04-09 Jan Hubicka <jh@suse.cz>
972
973 * except.c (find_prev_try): Break out from ....
974 (duplicate_eh_regions): ... here; properly update prev_try pointers
975 when duplication part of tree.
976 (dump_eh_tree): Improve dumping.
977 (verify_eh_region): New.
978 (verify_eh_tree): Use it.
979
980 2009-04-06 Richard Guenther <rguenther@suse.de>
981
982 * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
983 &ARRAY addresses by adjusting their types and prepending
984 a conversion.
985 * tree-cfg.c (verify_gimple_assign_single): Verify that
986 addresses are correct.
987
988 2009-04-09 Richard Guenther <rguenther@suse.de>
989
990 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
991 indices into an array reference if possible.
992 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
993 Fold POINTER_PLUS_EXPR statements with invariant address.
994
995 2009-04-09 Alan Modra <amodra@bigpond.net.au>
996
997 PR target/39634
998 * config.gcc (powerpc64-*-linux*): Always build biarch.
999
1000 2009-04-09 Joseph Myers <joseph@codesourcery.com>
1001
1002 PR c/39613
1003 * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
1004 it and pedwarn if this results in an INTEGER_CST.
1005
1006 2009-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1007
1008 * doc/install.texi: Update minimum GMP version. Remove obsolete
1009 text in MPFR section.
1010
1011 2009-04-08 Jakub Jelinek <jakub@redhat.com>
1012
1013 * dwarf2out.c (class_scope_p): New static inline.
1014 (class_or_namespace_scope_p): Use it.
1015 (gen_variable_die): Use DW_TAG_member tag for static data member
1016 declarations instead of DW_TAG_variable.
1017
1018 PR middle-end/39573
1019 * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
1020 variables.
1021
1022 2009-04-08 Richard Guenther <rguenther@suse.de>
1023
1024 * tree-ssa-sccvn.c (valueize_refs): Do not continue to
1025 valueize random data.
1026
1027 2009-04-08 David Edelsohn <edelsohn@gnu.org>
1028
1029 * config.gcc (aix tm_file): Add aix-stdint.h.
1030 (aix tm clause use_gcc_stdint): Set to wrap.
1031 * config/rs6000/aix-stdint.h: New file.
1032
1033 2009-04-08 Richard Guenther <rguenther@suse.de>
1034
1035 PR middle-end/36291
1036 * tree-dfa.c (add_referenced_var): Do not recurse into
1037 global initializers.
1038 * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
1039 exposed variables.
1040 (fold_const_aggregate_ref): Likewise.
1041
1042 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
1043
1044 * recog.c (ordered_comparison_operator): New.
1045 * gensupport.c (std_preds): Add it.
1046 * doc/md.texi (Machine-Independent Predicates): Document it.
1047
1048 2009-04-08 Jan Hubicka <jh@suse.cz>
1049
1050 * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
1051 * function.h (rtl_eh): Remove exception_handler_label_map.
1052 * except.c (ehl_hash, ehl_eq, add_ehl_entry,
1053 remove_exception_handler_label, for_each_eh_label_1): Remove.
1054 (rtl_remove_unreachable_regions): Remove.
1055 (convert_from_eh_region_ranges): Do not remove unreachable regions.
1056 (find_exception_handler_labels): Don't build the hashtable.
1057 (maybe_remove_eh_handler): Remove.
1058 (for_each_eh_label): Rewrite to walk the tree.
1059 (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
1060 * except.h (maybe_remove_eh_handler): Remove.
1061 * passes.c (init_optimization_passes): Schedule second EH cleanup
1062 before out-of-ssa.
1063 * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
1064 cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
1065
1066 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
1067
1068 * genoutput.c (validate_optab_operands): New.
1069 (gen_insn, gen_expand): Call it.
1070
1071 * genflags.c (gen_insn): Detect misused iterators.
1072 (main): Pass line_no to gen_insn, exit with status 1 on error.
1073
1074 * genextract.c (line_no): Make global.
1075 (VEC_safe_set_locstr): Change assertion to error message.
1076 (main): Exit with status 1 on error.
1077
1078 2009-04-08 Joseph Myers <joseph@codesourcery.com>
1079
1080 PR c/39614
1081 PR c/39673
1082 * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1083 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1084 EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
1085 * c-convert.c (convert): Do not call fold on results of conversion
1086 functions when the result is a C_MAYBE_CONST_EXPR.
1087 * c-parser.c (c_parser_postfix_expression): Do not fold condition
1088 of __builtin_choose_expr.
1089 * c-typeck.c (remove_c_maybe_const_expr): New.
1090 (build_unary_op, build_conditional_expr, build_compound_expr,
1091 build_binary_op, c_objc_common_truthvalue_conversion): Call
1092 remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
1093 integer operands.
1094
1095 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
1096
1097 * fold-const.c (const_binop): Combine two VECTOR_CST under operation
1098 CODE to produce a new one. Add a prototype to use fold_convert_const
1099
1100 2009-04-08 Danny Smith <dannysmith@users.sourceforge.net>
1101
1102 PR bootstrap/39660
1103 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
1104 mix declarations and code.
1105
1106 2009-04-08 Ben Elliston <bje@au.ibm.com>
1107
1108 * gcc.c: Replace `CC' with `GCC' throughout.
1109
1110 2009-04-07 H.J. Lu <hongjiu.lu@intel.com>
1111
1112 * doc/invoke.texi: Document Atom support.
1113
1114 2009-04-07 Jason Merrill <jason@redhat.com>
1115
1116 PR c++/25185
1117 * c-common.h, c-common.c: Add flag_pretty_templates.
1118 * c-opts.c (c_common_handle_option): Set it.
1119 * c.opt: Add -fno-pretty-templates.
1120 * doc/invoke.texi (C++ Dialect Options): Likewise.
1121
1122 2009-04-07 Uros Bizjak <ubizjak@gmail.com>
1123
1124 * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
1125 (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
1126 (ia64_expand_builtin): Likewise.
1127
1128 2009-04-07 Martin Jambor <mjambor@suse.cz>
1129
1130 * tree-ssa-alias.c (refs_may_alias_p_1): Check for
1131 is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
1132 ADDR_EXPRS are include too.
1133
1134 2009-04-07 Richard Guenther <rguenther@suse.de>
1135
1136 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
1137 decls are only used if passes as parameters or if they are
1138 local statics and the call is not to a builtin.
1139 (call_may_clobber_ref_p_1): Likewise.
1140
1141 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1142
1143 * expr.c (do_store_flag): Remove last argument. Simplify code
1144 to avoid duplication of tests already done by can_compare_p.
1145 (expand_expr_real_1): Adjust caller.
1146
1147 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1148
1149 * optabs.c (can_compare_p): Test the predicate of a
1150 cbranch and cstore pattern.
1151
1152 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1153
1154 * expr.c (convert_move): Use emit_store_flag instead of
1155 "emulating" it.
1156
1157 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1158
1159 * config/i386/i386.c (ix86_compare_emitted): Remove.
1160 (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1161 ix86_compare_op0 like ix86_compare_emitted used to be handled.
1162 * config/i386/i386.h (ix86_compare_emitted): Remove.
1163 * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1164 instead of ix86_compare_emitted.
1165 * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1166
1167 2009-04-07 Andrew Stubbs <ams@codesourcery.com>
1168
1169 * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1170 Add t-sysroot-suffix to tmake_file.
1171 * config/print-sysroot-suffix.sh: New file.
1172 * config/t-sysroot-suffix: New file.
1173
1174 2009-04-07 Ben Elliston <bje@au.ibm.com>
1175
1176 * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1177 as the latter produces a warning when the target does not support
1178 infinity.
1179
1180 2009-04-07 Ben Elliston <bje@au.ibm.com>
1181
1182 * dfp.c: Replace type punning assignments with memcpy throughout.
1183 * Makefile.in (dfp.o-warn): Remove.
1184
1185 2009-04-07 Alan Modra <amodra@bigpond.net.au>
1186
1187 PR target/39634
1188 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1189 Include soft-fp/t-softfp after rs6000/t-linux64.
1190
1191 2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
1192
1193 * stor-layout.c (set_sizetype): Use the full precision of their
1194 machine mode for bitsize types.
1195
1196 2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
1197
1198 * config/i386/i386.md: Revert 2 accidental checkins.
1199
1200 2009-04-06 Joey Ye <joey.ye@intel.com>
1201 Xuepeng Guo <xuepeng.guo@intel.com>
1202 H.J. Lu <hongjiu.lu@intel.com>
1203
1204 Atom pipeline model, tuning and insn selection.
1205 * config.gcc (atom): Add atom config options and target.
1206
1207 * config/i386/atom.md: New.
1208
1209 * config/i386/i386.c (atom_cost): New cost.
1210 (m_ATOM): New macro flag.
1211 (initial_ix86_tune_features): Set m_ATOM.
1212 (x86_accumulate_outgoing_args): Likewise.
1213 (x86_arch_always_fancy_math_387): Likewise.
1214 (processor_target): Add Atom cost.
1215 (cpu_names): Add Atom cpu name.
1216 (override_options): Set Atom ISA.
1217 (ix86_issue_rate): New case PROCESSOR_ATOM.
1218 (ix86_adjust_cost): Likewise.
1219
1220 * config/i386/i386.h (TARGET_ATOM): New target macro.
1221 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1222 (TARGET_OPT_AGU): New target option.
1223 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1224 (processor_type): Add PROCESSOR_ATOM.
1225
1226 * config/i386/i386.md (cpu): Add new value "atom".
1227 (use_carry, movu): New attr.
1228 (atom.md): Include atom.md.
1229 (adddi3_carry_rex64): Set attr "use_carry".
1230 (addqi3_carry): Likewise.
1231 (addhi3_carry): Likewise.
1232 (addsi3_carry): Likewise.
1233 (*addsi3_carry_zext): Likewise.
1234 (subdi3_carry_rex64): Likewise.
1235 (subqi3_carry): Likewise.
1236 (subhi3_carry): Likewise.
1237 (subsi3_carry): Likewise.
1238 (x86_movdicc_0_m1_rex64): Likewise.
1239 (*x86_movdicc_0_m1_se): Likewise.
1240 (x86_movsicc_0_m1): Likewise.
1241 (*x86_movsicc_0_m1_se): Likewise.
1242 (*adddi_1_rex64): Emit add insn as much as possible.
1243 (*addsi_1): Likewise.
1244 (return_internal): Set atom_unit.
1245 (return_internal_long): Likewise.
1246 (return_pop_internal): Likewise.
1247 (*rcpsf2_sse): Set atom_sse_attr attr.
1248 (*qrt<mode>2_sse): Likewise.
1249 (*prefetch_sse): Likewise.
1250
1251 * config/i386/i386-c.c (ix86_target_macros_internal): New case
1252 PROCESSOR_ATOM.
1253 (ix86_target_macros_internal): Likewise.
1254
1255 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1256 (*prefetch_sse_rex): Likewise.
1257 (sse_rcpv4sf2): Likewise.
1258 (sse_vmrcpv4sf2): Likewise.
1259 (sse_sqrtv4sf2): Likewise.
1260 (<sse>_vmsqrt<mode>2): Likewise.
1261 (sse_ldmxcsr): Likewise.
1262 (sse_stmxcsr): Likewise.
1263 (*sse_sfence): Likewise.
1264 (sse2_clflush): Likewise.
1265 (*sse2_mfence): Likewise.
1266 (*sse2_lfence): Likewise.
1267 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1268 (<sse>_movup<ssemodesuffixf2c>): Likewise.
1269 (avx_movdqu<avxmodesuffix>): Likewise.
1270 (avx_lddqu<avxmodesuffix>): Likewise.
1271 (sse2_movntv2di): Change attr "type" to "ssemov".
1272 (sse2_movntsi): Likewise.
1273 (rsqrtv8sf2): Change attr "type" to "sseadd".
1274 (sse3_addsubv2df3): Set attr "atom_unit".
1275 (sse3_h<plusminus_insn>v4sf3): Likewise.
1276 (*sse2_pmaddwd): Likewise.
1277 (*vec_extractv2di_1_rex64): Likewise.
1278 (*vec_extractv2di_1_avx): Likewise.
1279 (sse2_psadbw): Likewise.
1280 (ssse3_phaddwv8hi3): Likewise.
1281 (ssse3_phaddwv4hi3): Likewise.
1282 (ssse3_phadddv4si3): Likewise.
1283 (ssse3_phadddv2si3): Likewise.
1284 (ssse3_phaddswv8hi3): Likewise.
1285 (ssse3_phaddswv4hi3): Likewise.
1286 (ssse3_phsubwv8hi3): Likewise.
1287 (ssse3_phsubwv4hi3): Likewise.
1288 (ssse3_phsubdv4si3): Likewise.
1289 (ssse3_phsubdv2si3): Likewise.
1290 (ssse3_phsubswv8hi3): Likewise.
1291 (ssse3_phsubswv4hi3): Likewise.
1292 (ssse3_pmaddubsw128): Likewise.
1293 (sse3_pmaddubsw: Likewise.
1294 (ssse3_palignrti): Likewise.
1295 (ssse3_palignrdi): Likewise.
1296
1297 2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
1298
1299 * doc/install.texi (Specific): Fix two cross-references to MinGW.
1300
1301 2009-04-06 Richard Guenther <rguenther@suse.de>
1302
1303 PR tree-optimization/28868
1304 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1305 of which PHI results we inserted.
1306 (insert_into_preds_of_block): Record inserted PHIs.
1307 (eliminate): Eliminate redundant PHI nodes.
1308 (init_pre): Init inserted_phi_names.
1309
1310 2009-04-06 Richard Guenther <rguenther@suse.de>
1311
1312 PR tree-optimization/39643
1313 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1314 IMAGPART_EXPRs of complex constants.
1315 (execute_fold_all_builtins): If we folded a call queue
1316 TODO_update_address_taken.
1317
1318 2009-04-06 Jan Hubicka <jh@suse.cz>
1319
1320 PR middle-end/39659
1321 * except.c (remove_unreachable_regions): Propagate may_contain_throw
1322 flag.
1323
1324 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
1325
1326 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1327 delay slot.
1328 (ic_invalidate_array): Likewise.
1329
1330 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
1331
1332 * calls.c (emit_library_call_value_1): Fix a problem with parameter
1333 alignment for library calls.
1334
1335 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
1336
1337 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
1338 (mingw32 tm clause use_gcc_stdint): Set to wrap.
1339 * config/i386/mingw-stdint.h: New file.
1340
1341 2009-04-05 Richard Guenther <rguenther@suse.de>
1342
1343 PR tree-optimization/39648
1344 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1345 our &A vs. &A[0] IL deficiencies.
1346
1347 2009-04-04 Jan Hubicka <jh@suse.cz>
1348
1349 * except.c (sjlj_find_directly_reachable_regions): Be ready for
1350 removed toplevel regions.
1351 (sjlj_mark_call_sites): Likewise.
1352
1353 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
1354
1355 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
1356 (cygwin tm clause use_gcc_stdint): Set to wrap.
1357 * config/i386/cygwin-stdint.h: New file.
1358
1359 2009-04-04 Richard Guenther <rguenther@suse.de>
1360
1361 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1362 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1363 single-argument PHIs if we are in loop-closed SSA form.
1364 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1365 for the pre-condition.
1366 (slpeel_tree_peel_loop_to_edge): Likewise.
1367 (vect_build_loop_niters): Take an optional sequence to append stmts.
1368 (vect_generate_tmps_on_preheader): Likewise.
1369 (vect_do_peeling_for_loop_bound): Take extra guards for the
1370 pre-condition.
1371 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
1372 the cost model check.
1373 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1374 guards if we are going to peel. Do not apply versioning in that case.
1375 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1376 (vect_do_peeling_for_loop_bound): Likewise.
1377 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1378 loop bound only record extra pre-conditions, do not apply loop
1379 versioning.
1380
1381 2009-04-04 Richard Guenther <rguenther@suse.de>
1382
1383 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1384 renaming code.
1385
1386 2009-04-04 Jan Hubicka <jh@suse.cz>
1387
1388 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1389 last_basic_block for size of bb->index indexed array.
1390 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1391 compute_out, link_btr_uses, build_btr_def_use_webs,
1392 build_btr_def_use_webs, migrate_btr_defs): Likewise.
1393
1394 2009-04-04 Jan Hubicka <jh@suse.cz>
1395
1396 * except.c (remove_eh_handler_and_replace): Break out from ...
1397 (remove_eh_handler): ... here.
1398 (bring_to_root): New function.
1399 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1400 handled ones, bring others to root of tree.
1401
1402 2009-04-04 Jan Hubicka <jh@suse.cz>
1403
1404 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1405 (all_phis_safe_to_merge): New function.
1406 (update_info): New structure.
1407 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1408 (cleanup_empty_eh): Update SSA if possible.
1409
1410 2009-04-04 Richard Guenther <rguenther@suse.de>
1411
1412 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1413 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1414 (append_vuse): Likewise.
1415
1416 2009-04-04 Jakub Jelinek <jakub@redhat.com>
1417
1418 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1419 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1420 instead of REG_UNSAVED for DW_CFA_undefined.
1421 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1422 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1423 outermost frame.
1424
1425 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
1426
1427 PR target/39501
1428 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1429 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1430 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1431
1432 2009-04-04 Richard Guenther <rguenther@suse.de>
1433
1434 PR tree-optimization/8781
1435 PR tree-optimization/37892
1436 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1437 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1438 (valueize_refs): Call it for *& valueizations.
1439 (shared_reference_ops_from_ref): Rename to ...
1440 (valueize_shared_reference_ops_from_ref): ... this and valueize.
1441 (shared_reference_ops_from_call): Rename to ...
1442 (valueize_shared_reference_ops_from_call): ... this and valueize.
1443 (vn_reference_lookup): Update.
1444 (visit_reference_op_call): Likewise.
1445 * tree-ssa-pre.c (phi_translate_1): Fold *&.
1446 (eliminate): Value-replace the call address in call statements.
1447
1448 2009-04-04 Richard Guenther <rguenther@suse.de>
1449
1450 PR tree-optimization/39636
1451 * tree-ssa-forwprop.c
1452 (forward_propagate_addr_into_variable_array_index): Check for
1453 GIMPLE_ASSIGN before accessing the rhs code.
1454
1455 2009-04-03 Jason Merrill <jason@redhat.com>
1456
1457 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1458
1459 2009-04-03 Steve Ellcey <sje@cup.hp.com>
1460
1461 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1462 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1463 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1464 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1465 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1466 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1467 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1468 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1469 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1470 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1471 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1472 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1473 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1474 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1475 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1476 Use fr_reg_or_fp01_operand instead of fr_register_operand
1477
1478 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1479 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1480 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1481
1482 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
1483
1484 PR rtl-optimization/39607
1485 PR rtl-optimization/39631
1486
1487 Revert:
1488
1489 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1490 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1491 instead of DF_LR_OUT.
1492 * ira-lives.c (process_bb_node_lives): Ditto.
1493 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1494 instead of DF_LR_{OUT,IN}.
1495 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1496 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1497
1498 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
1499
1500 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1501 (execute_lower_omp): Always run but take the short way out if -fopenmp
1502 is not given.
1503 (gate_lower_omp): Remove, forcing the pass manager to always run the
1504 pass and always set PROP_gimple_lomp.
1505 (pass_lower_omp): Remove gate function.
1506 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1507 PROP_trees. Instead, require it.
1508 * ipa-cp.c (pass_ipa_cp): Likewise.
1509 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1510 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1511 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1512 and PROP_gimple_leh.
1513
1514 2009-04-03 Richard Guenther <rguenther@suse.de>
1515
1516 PR middle-end/13146
1517 PR tree-optimization/23940
1518 PR tree-optimization/33237
1519 PR middle-end/33974
1520 PR middle-end/34093
1521 PR tree-optimization/36201
1522 PR tree-optimization/36230
1523 PR tree-optimization/38049
1524 PR tree-optimization/38207
1525 PR tree-optimization/38230
1526 PR tree-optimization/38301
1527 PR tree-optimization/38585
1528 PR middle-end/38895
1529 PR tree-optimization/38985
1530 PR tree-optimization/39299
1531 * tree-ssa-structalias.h: Remove.
1532 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1533 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1534 (struct vuse_element_d): Remove.
1535 (struct vuse_vec_d): Likewise.
1536 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1537 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1538 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1539 VUSE_ELEMENT_VAR): Likewise.
1540 (struct voptype_d): Likewise.
1541 (NUM_VOP_FREE_BUCKETS): Likewise.
1542 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1543 (struct stmt_operands_d): Remove.
1544 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1545 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1546 VDEF_NUM, VDEF_VECT): Likewise.
1547 (copy_virtual_operands): Remove.
1548 (operand_build_cmp): Likewise.
1549 (create_ssa_artificial_load_stmt): Likewise.
1550 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1551 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1552 vuse_index and mayuse_index members. Pack and move done and iter_type
1553 members to the front.
1554 (SSA_OP_VMAYUSE): Remove.
1555 (SSA_OP_VIRTUAL_USES): Adjust.
1556 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1557 (unlink_stmt_vdef): Declare.
1558 (add_to_addressable_set): Remove.
1559 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1560 (vrp_visit_stmt): Likewise.
1561 * doc/tree-ssa.texi (Alias analysis): Update.
1562 * doc/invoke.texi (max-aliased-vops): Remove docs.
1563 (avg-aliased-vops): Likewise.
1564 * tree-into-ssa.c (syms_to_rename): Remove.
1565 (need_to_update_vops_p): Likewise.
1566 (need_to_initialize_update_ssa_p): Rename to ...
1567 (update_ssa_initialized_fn): ... this. Track function we are
1568 initialized for.
1569 (symbol_marked_for_renaming): Simplify.
1570 (add_new_name_mapping): Do not set need_to_update_vops_p.
1571 (dump_currdefs): Use SYMS_TO_RENAME.
1572 (rewrite_update_stmt): Always walk all uses/defs.
1573 (dump_update_ssa): Adjust.
1574 (init_update_ssa): Take function argument. Track what we are
1575 initialized for.
1576 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1577 (create_new_def_for): Initialize for cfun, assert we are initialized
1578 for cfun.
1579 (mark_sym_for_renaming): Simplify.
1580 (mark_set_for_renaming): Do not initialize update-ssa.
1581 (need_ssa_update_p): Simplify. Take function argument.
1582 (name_mappings_registered_p): Assert we ask for the correct function.
1583 (name_registered_for_update_p): Likewise.
1584 (ssa_names_to_replace): Likewise.
1585 (release_ssa_name_after_update_ssa): Likewise.
1586 (update_ssa): Likewise. Use SYMS_TO_RENAME.
1587 (dump_decl_set): Do not print a newline.
1588 (debug_decl_set): Do it here.
1589 (dump_update_ssa): And here.
1590 * tree-ssa-loop-im.c (move_computations): Adjust.
1591 (movement_possibility): Likewise.
1592 (determine_max_movement): Likewise.
1593 (gather_mem_refs_stmt): Likewise.
1594 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1595 or NAME_MEMORY_TAG.
1596 * tree-complex.c (update_all_vops): Remove.
1597 (expand_complex_move): Adjust.
1598 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1599 Simplify test for memory referencing statement. Exclude
1600 non-invariant ADDR_EXPRs.
1601 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1602 * tree-loop-distribution.c (generate_memset_zero): Adjust.
1603 (rdg_flag_uses): Likewise.
1604 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1605 related code.
1606 (tree_optimize_tail_calls_1): Also split the
1607 edge from the entry block if we have degenerate PHI nodes in
1608 the first basic block.
1609 * tree.c (init_ttree): Remove memory-tag related code.
1610 (tree_code_size): Likewise.
1611 (tree_node_structure): Likewise.
1612 (build7_stat): Re-write to be build6_stat.
1613 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1614 (SSA_VAR_P): Adjust.
1615 (struct tree_memory_tag): Remove.
1616 (struct tree_memory_partition_tag): Likewise.
1617 (union tree_node): Adjust.
1618 (build7): Re-write to be build6.
1619 * tree-pass.h (pass_reset_cc_flags): Remove.
1620 (TODO_update_address_taken): New flag.
1621 (pass_simple_dse): Remove.
1622 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1623 * params.h (MAX_ALIASED_VOPS): Remove.
1624 (AVG_ALIASED_VOPS): Likewise.
1625 * omp-low.c (expand_omp_taskreg): Update SSA form.
1626 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1627 aliases the lhs in a copy stmt.
1628 * tree-ssa-dse.c (struct address_walk_data): Remove.
1629 (memory_ssa_name_same): Likewise.
1630 (memory_address_same): Likewise.
1631 (get_kill_of_stmt_lhs): Likewise.
1632 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
1633 unused stores. Look through PHI nodes into post-dominated regions.
1634 (dse_optimize_stmt): Simplify. Properly remove stores.
1635 (tree_ssa_dse): Compute dominators.
1636 (execute_simple_dse): Remove.
1637 (pass_simple_dse): Likewise.
1638 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1639 gimple_loaded_syms and gimple_stored_syms computation.
1640 * toplev.c (dump_memory_report): Dump alias and pta stats.
1641 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1642 (vn_reference_eq): Likewise.
1643 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1644 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1645 valueize_vuses): Remove.
1646 (get_def_ref_stmt_vuses): Simplify. Rename to ...
1647 (get_def_ref_stmt_vuse): ... this.
1648 (vn_reference_lookup_2): New function.
1649 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1650 walking equivalent vuses. Simplify.
1651 (vn_reference_lookup): Likewise.
1652 (vn_reference_insert): Likewise.
1653 (vn_reference_insert_pieces): Likewise.
1654 (visit_reference_op_call): Simplify.
1655 (visit_reference_op_load): Likewise.
1656 (visit_reference_op_store): Likewise.
1657 (init_scc_vn): Remove shared_lookup_vuses initialization.
1658 (free_scc_vn): Remove shared_lookup_vuses freeing.
1659 (sort_vuses, sort_vuses_heap): Remove.
1660 (get_ref_from_reference_ops): Export.
1661 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1662 vector with single vuse pointer.
1663 (vn_reference_lookup_pieces, vn_reference_lookup,
1664 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1665 (shared_vuses_from_stmt): Remove.
1666 (get_ref_from_reference_ops): Declare.
1667 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1668 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1669 memory-tag related code.
1670 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1671 (likely_value): Add comment, skip static-chain of call statements.
1672 (surely_varying_stmt_p): Adjust.
1673 (gimplify_and_update_call_from_tree): Likewise.
1674 (execute_fold_all_builtins): Do not rebuild alias info.
1675 (gimplify_and_update_call_from_tree): Properly update VOPs.
1676 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1677 (copy_ref_info): Remove memory-tag related code.
1678 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1679 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1680 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1681 computation.
1682 * tree-ssa-dom.c (gimple_p): Remove typedef.
1683 (eliminate_redundant_computations): Adjust.
1684 (record_equivalences_from_stmt): Likewise.
1685 (avail_expr_hash): Likewise.
1686 (avail_expr_eq): Likewise.
1687 * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1688 (stmt_makes_single_load): Likewise.
1689 (stmt_makes_single_store): Likewise.
1690 * tree-ssa-alias.c: Rewrite completely.
1691 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1692 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1693 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1694 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1695 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1696 Remove public functions.
1697 (pass_reset_cc_flags): Remove.
1698 (pass_build_alias): Move ...
1699 * tree-ssa-structalias.c (pass_build_alias): ... here.
1700 * tree-ssa-alias.c (may_be_aliased): Move ...
1701 * tree-flow-inline.h (may_be_aliased): ... here.
1702 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1703 count_uses_and_derefs): Move ...
1704 * gimple.c: ... here.
1705 * gimple.h (count_uses_and_derefs): Declare.
1706 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1707 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1708 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1709 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1710 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1711 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1712 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1713 New functions.
1714 * tree-dfa.c (refs_may_alias_p): Move ...
1715 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
1716 * tree-ssa-alias.h: New file.
1717 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1718 (statement_sink_location): Likewise.
1719 * opts.c (decode_options): Do not adjust max-aliased-vops or
1720 avg-aliased-vops values.
1721 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1722 (TV_CALL_CLOBBER): Likewise.
1723 (TV_FLOW_SENSITIVE): Likewise.
1724 (TV_FLOW_INSENSITIVE): Likewise.
1725 (TV_MEMORY_PARTITIONING): Likewise.
1726 (TV_ALIAS_STMT_WALK): New timevar.
1727 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1728 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1729 (get_address_description): Remove memory-tag related code.
1730 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1731 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1732 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1733 and immediate uses in statements. Document.
1734 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1735 (dump_symbols): Remove.
1736 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1737 * alias.c (get_deref_alias_set): New function split out from ...
1738 (get_alias_set): ... here.
1739 * alias.h (get_deref_alias_set): Declare.
1740 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1741 type parameter. Remove restrict pointer handling. Create a
1742 ref-all pointer in case type-based alias sets do not conflict.
1743 (vect_analyze_data_refs): Remove SMT related code.
1744 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1745 (vectorizable_load): Likewise.
1746 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1747 (DR_SYMBOL_TAG, DR_VOPS): Remove.
1748 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1749 Ignore vops and SMTs.
1750 (dr_analyze_alias): Likewise..
1751 (free_data_ref): Likewise.
1752 (create_data_ref): Likewise.
1753 (analyze_all_data_dependences): Likewise.
1754 (get_references_in_stmt): Adjust.
1755 * tree-flow-inline.h (gimple_aliases_computed_p,
1756 gimple_addressable_vars, gimple_call_clobbered_vars,
1757 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
1758 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
1759 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
1760 gimple_mem_ref_stats): Remove.
1761 (gimple_vop): New function.
1762 (op_iter_next_use): Remove vuses and mayuses cases.
1763 (op_iter_next_def): Remove vdefs case.
1764 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
1765 (clear_and_done_ssa_iter): Do not set removed fields.
1766 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
1767 Assert we are not iterating over vuses or vdefs if not also
1768 iterating over uses or defs.
1769 (op_iter_init_use): Likewise.
1770 (op_iter_init_def): Likewise.
1771 (op_iter_next_vdef): Remove.
1772 (op_iter_next_mustdef): Likewise.
1773 (op_iter_init_vdef): Likewise.
1774 (compare_ssa_operands_equal): Likewise.
1775 (link_use_stmts_after): Handle vuse operand.
1776 (is_call_used): Use is_call_clobbered.
1777 (is_call_clobbered): Global variables are always call clobbered,
1778 query the call-clobbers bitmap.
1779 (mark_call_clobbered): Ignore global variables.
1780 (clear_call_clobbered): Likewise.
1781 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
1782 virtual operands sanity check.
1783 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
1784 Remove.
1785 (TARGET_MEM_REF): Remove TMR_TAG operand.
1786 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
1787 Remove call-clobber related code.
1788 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
1789 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
1790 partitions or escape reason.
1791 (get_single_def_stmt, get_single_def_stmt_from_phi,
1792 get_single_def_stmt_with_phi): Remove.
1793 (dump_referenced_vars): Tidy.
1794 (get_ref_base_and_extent): Allow bare decls.
1795 (collect_dfa_stats): Adjust.
1796 * graphite.c (rename_variables_in_stmt): Adjust.
1797 (graphite_copy_stmts_from_block): Likewise.
1798 (translate_clast): Likewise.
1799 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
1800 (EXPR_DIES): New.
1801 (translate_vuse_through_block): Use the oracle.
1802 (phi_translate_1): Adjust.
1803 (value_dies_in_block_x): Use the oracle. Cache the outcome
1804 in EXPR_DIES.
1805 (valid_in_sets): Check if the VUSE for
1806 a REFERENCE is available.
1807 (eliminate): Do not remove stmts during elimination,
1808 instead queue and remove them afterwards.
1809 (do_pre): Do not rebuild alias info.
1810 (pass_pre): Run TODO_rebuild_alias before PRE.
1811 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
1812 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
1813 (mark_all_v_defs_stmt): Remove.
1814 (mark_all_v_defs_seq): Adjust.
1815 (sra_replace): Likewise.
1816 (scalarize_use): Likewise.
1817 (scalarize_copy): Likewise.
1818 (scalarize_init): Likewise.
1819 (scalarize_ldst): Likewise.
1820 (todoflags): Remove.
1821 (tree_sra): Do not rebuild alias info.
1822 (tree_sra_early): Adjust.
1823 (pass_sra): Run TODO_update_address_taken before SRA.
1824 * tree-predcom.c (set_alias_info): Remove.
1825 (prepare_initializers_chain): Do not call it.
1826 (mark_virtual_ops_for_renaming): Adjust.
1827 (mark_virtual_ops_for_renaming_list): Remove.
1828 (initialize_root_vars): Adjust.
1829 (initialize_root_vars_lm): Likewise.
1830 (prepare_initializers_chain): Likewise.
1831 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
1832 (may_propagate_copy_into_stmt): Likewise.
1833 (merge_alias_info): Do nothing for now.
1834 (propagate_tree_value_into_stmt): Adjust.
1835 (stmt_may_generate_copy): Likewise.
1836 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
1837 not mark symbols for renaming.
1838 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
1839 with the same statement, make sure to update the new pointed-to one.
1840 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
1841 call statements, do not mark symbols for renaming.
1842 (mark_operand_necessary): Dump something.
1843 (ref_may_be_aliased): New function.
1844 (mark_aliased_reaching_defs_necessary_1): New helper function.
1845 (mark_aliased_reaching_defs_necessary): Likewise.
1846 (mark_all_reaching_defs_necessary_1): Likewise.
1847 (mark_all_reaching_defs_necessary): Likewise.
1848 (propagate_necessity): Do not process virtual PHIs. For
1849 non-aliased loads mark all reaching definitions as necessary.
1850 For aliased loads and stores mark the immediate dominating
1851 aliased clobbers as necessary.
1852 (visited): New global static.
1853 (perform_tree_ssa_dce): Free visited bitmap after propagating
1854 necessity.
1855 (remove_dead_phis): Perform simple dead virtual PHI removal.
1856 (remove_dead_stmt): Properly unlink virtual operands when
1857 removing stores.
1858 (eliminate_unnecessary_stmts): Schedule PHI removal after
1859 stmt removal.
1860 * tree-ssa-ter.c (is_replaceable_p): Adjust.
1861 (process_replaceable): Likewise.
1862 (find_replaceable_in_bb): Likewise.
1863 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
1864 based on the single gimple vop.
1865 (verify_flow_insensitive_alias_info): Remove.
1866 (verify_flow_sensitive_alias_info): Likewise.
1867 (verify_call_clobbering): Likewise.
1868 (verify_memory_partitions): Likewise.
1869 (verify_alias_info): Likewise.
1870 (verify_ssa): Adjust..
1871 (execute_update_addresses_taken): Export. Update SSA
1872 manually. Optimize only when optimizing. Use a local bitmap.
1873 (pass_update_address_taken): Remove TODO_update_ssa, add
1874 TODO_dump_func.
1875 (pass_update_address_taken): Just use TODO_update_address_taken.
1876 (init_tree_ssa): Do not initialize addressable_vars.
1877 (verify_ssa): Verify new VUSE / VDEF properties.
1878 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
1879 Do not call verify_alias_info.
1880 (delete_tree_ssa): Clear the VUSE, VDEF operands.
1881 Do not free the loaded and stored syms bitmaps. Reset the escaped
1882 and callused solutions. Do not free addressable_vars.
1883 Remove memory-tag related code.
1884 (warn_uninitialized_var): Aliases are always available.
1885 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
1886 * lambda-code.c (can_put_in_inner_loop): Adjust.
1887 (can_put_after_inner_loop): Likewise.
1888 (perfect_nestify): Likewise.
1889 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
1890 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
1891 (vectorizable_conversion): Do not mark symbols for renaming.
1892 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
1893 (expand_call_inline): Unlink the calls virtual operands before
1894 replacing it.
1895 (tree_function_versioning): Do not call update_ssa if we are not
1896 updating clones. Simplify.
1897 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
1898 (propagate_with_phi): Likewise..
1899 * tree-outof-ssa.c (create_temp): Remove memory tag and call
1900 clobber code. Assert we are not aliased or global.
1901 * tree-flow.h: Include tree-ssa-alias.h
1902 (enum escape_type): Remove.
1903 (struct mem_sym_stats_d): Likewise.
1904 (struct mem_ref_stats_d): Likewise.
1905 (struct gimple_df): Add vop member. Remove global_var,
1906 call_clobbered_vars, call_used_vars, addressable_vars,
1907 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
1908 escaped and callused members.
1909 (struct ptr_info_def): Remove all members, add points-to solution
1910 member pt.
1911 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
1912 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
1913 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
1914 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
1915 (tree-ssa-alias.o): Likewise.
1916 (toplev.o): Add tree-ssa-alias.h
1917 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
1918 * gimple.c (gimple_set_bb): Fix off-by-one error.
1919 (is_gimple_reg): Do not handle memory tags.
1920 (gimple_copy): Also copy virtual operands.
1921 Delay updating the statement. Do not reset loaded and stored syms.
1922 (gimple_set_stored_syms): Remove.
1923 (gimple_set_loaded_syms): Likewise.
1924 (gimple_call_copy_skip_args): Copy the virtual operands
1925 and mark the new statement modified.
1926 * tree-ssa-structalias.c (may_alias_p): Remove.
1927 (set_uids_in_ptset): Take the alias set to prune with as
1928 parameter. Fold in the alias test of may_alias_p.
1929 (compute_points_to_sets): Compute whether a ptr is dereferenced
1930 in a local sbitmap.
1931 (process_constraint): Deal with &ANYTHING on the lhs, reject all
1932 other ADDRESSOF constraints on the lhs.
1933 (get_constraint_for_component_ref): Assert that we don't get
1934 ADDRESSOF constraints from the base of the reference.
1935 Properly generate UNKNOWN_OFFSET for DEREF if needed.
1936 (struct variable_info): Remove collapsed_to member.
1937 (get_varinfo_fc): Remove.
1938 (new_var_info): Do not set collapsed_to.
1939 (dump_constraint): Do not follow cycles.
1940 (dump_constraint_graph): Likewise.
1941 (build_pred_graph): Likewise.
1942 (build_succ_graph): Likewise.
1943 (rewrite_constraints): Likewise.
1944 (do_simple_structure_copy): Remove.
1945 (do_rhs_deref_structure_copy): Remove.
1946 (do_lhs_deref_structure_copy): Remove.
1947 (collapse_rest_of_var): Remove.
1948 (do_structure_copy): Re-implement.
1949 (pta_stats): New global variable.
1950 (dump_pta_stats): New function.
1951 (struct constraint_expr): Make offset signed.
1952 (UNKNOWN_OFFSET): Define special value.
1953 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
1954 (solution_set_expand): New helper function split out from ...
1955 (do_sd_constraint): ... here.
1956 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
1957 (do_ds_constraint): Likewise.
1958 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
1959 and CALLUSED = *CALLUSED.
1960 (set_union_with_increment): Make inc argument signed.
1961 (type_safe): Remove.
1962 (get_constraint_for_ptr_offset): Handle unknown and negative
1963 constant offsets.
1964 (first_vi_for_offset): Handle offsets before start. Bail
1965 out early for offsets beyond the variable extent.
1966 (first_or_preceding_vi_for_offset): New function.
1967 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
1968 Together with ESCAPED = *ESCAPED this properly computes reachability.
1969 (find_what_var_points_to): New function.
1970 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
1971 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
1972 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
1973 pt_solutions_intersect): New functions.
1974 (compute_call_used_vars): Remove.
1975 (compute_may_aliases): New main entry into PTA computation.
1976 * gimple.h (gimple_p): New typedef.
1977 (struct gimple_statement_base): Remove references_memory_p.
1978 (struct gimple_statement_with_memory_ops_base): Remove
1979 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
1980 members.
1981 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
1982 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
1983 gimple_set_references_memory): Remove.
1984 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
1985 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
1986 New functions.
1987 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
1988 (verify_expr): Allow RESULT_DECL.
1989 (gimple_duplicate_bb): Do not copy virtual operands.
1990 (gimple_duplicate_sese_region): Adjust.
1991 (gimple_duplicate_sese_tail): Likewise.
1992 (mark_virtual_ops_in_region): Remove.
1993 (move_sese_region_to_fn): Do not call it.
1994 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
1995 and pass_simple_dse.
1996 (execute_function_todo): Handle TODO_update_address_taken,
1997 call execute_update_addresses_taken for TODO_rebuild_alias.
1998 (execute_todo): Adjust.
1999 (execute_one_pass): Init dump files early.
2000 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
2001 call-clobbered.
2002 (create_general_new_stmt): Clear vops.
2003 * tree-ssa-reassoc.c (get_rank): Adjust.
2004 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
2005 symbols for renaming.
2006 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
2007 (PARAM_AVG_ALIASED_VOPS): Likewise.
2008 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
2009 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
2010 * tree-ssa-operands.c: Simplify for new virtual operand representation.
2011 (operand_build_cmp, copy_virtual_operands,
2012 create_ssa_artificial_load_stmt, add_to_addressable_set,
2013 gimple_add_to_addresses_taken): Remove public functions.
2014 (unlink_stmt_vdef): New function.
2015
2016 2009-04-03 Alan Modra <amodra@bigpond.net.au>
2017
2018 * config.gcc (powerpc-*-linux*): Merge variants.
2019
2020 2009-04-02 Chao-ying Fu <fu@mips.com>
2021 James Grosbach <james.grosbach@microchip.com>
2022
2023 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
2024 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
2025 cop0_sp_offset.
2026 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
2027 keep_interrupts_masked_p, use_debug_exception_return_p.
2028 (mips_attribute_table): Add interrupt, use_shadow_register_set,
2029 keep_interrupts_masked, use_debug_exception_return.
2030 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
2031 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
2032 New functions.
2033 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
2034 (mips_print_operand): Process COP0 registers to print $0 .. $31
2035 correctly for GAS to process.
2036 (mips_interrupt_extra_call_saved_reg_p): New function.
2037 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
2038 extra registers.
2039 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
2040 (mips_compute_frame_info): Add supports for interrupt context that
2041 includes doubleword accumulators and COP0 registers.
2042 (mips_for_each_saved_acc): New function.
2043 (mips_for_each_saved_gpr_and_fpr): Change the function name from
2044 mips_for_each_saved_reg.
2045 (mips_save_reg): Save accumulators.
2046 (mips_kernel_reg_p): A new for_each_rtx callback.
2047 (mips_expand_prologue): Support interrupt handlers.
2048 (mips_restore_reg): Restore accumulators.
2049 (mips_expand_epilogue): Support interrupt handlers.
2050 (mips_can_use_return_insn): Return false for interrupt handlers.
2051 (mips_epilogue_uses): New function.
2052 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
2053 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
2054 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
2055 cop0_move): New instructions.
2056 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
2057 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
2058 defines.
2059 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
2060 New defines.
2061 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
2062 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
2063 interrupt handlers, we use K0 as the temporary register.
2064 (EPILOGUE_USES): Change to a function call.
2065 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
2066 handlers, we use K0 as the temporary register.
2067
2068 * doc/extend.texi (Function Attributes): Document interrupt,
2069 use_shadow_register_set, keep_interrupts_masked,
2070 use_debug_exception_return for MIPS attributes.
2071
2072 2009-04-03 Alan Modra <amodra@bigpond.net.au>
2073
2074 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
2075 Remove a number of t-files from tmake_file.
2076 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
2077 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
2078 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2079 target_prototype, not TARGET_PROTOTYPE.
2080 (LINK_OS_GNU_SPEC): Define.
2081 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
2082 and darwin-ldoubdle.c.
2083
2084 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
2085
2086 PR driver/39293
2087 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
2088 (cpp_options): Ditto.
2089 (default_compilers): Ditto.
2090 (display_help): Ditto.
2091 (process_command): Ditto.
2092 (do_spec_1): Ditto.
2093 (set_input): Use lbasename instead of duplicate code.
2094 (save_temps_prefix): New static for -save-temps=obj.
2095 (save_temps_length): Ditto.
2096
2097 * doc/invoke.texi (-save-temps=obj): Document new variant to
2098 -save-temps switch.
2099
2100 2009-04-02 Jeff Law <law@redhat.com>
2101
2102 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
2103 variable.
2104
2105 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
2106
2107 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
2108 * configure: Regenerated.
2109
2110 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2111
2112 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2113 share the argument list.
2114
2115 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2116
2117 Merge
2118
2119 2009-02-12 Diego Novillo <dnovillo@google.com>
2120
2121 * varpool.c (debug_varpool): New.
2122 * cgraph.h (debug_varpool): Declare.
2123
2124 2009-04-02 Jan Hubicka <jh@suse.cz>
2125
2126 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
2127 pass.
2128
2129 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
2130
2131 * config/i386/i386.c (ix86_abi): Move initialization to ...
2132 (override_options): Here.
2133
2134 2009-04-02 Christian Bruel <christian.bruel@st.com>
2135
2136 * config/sh/sh.c (sh_dwarf_register_span): New function.
2137 (TARGET_DWARF_REGISTER_SPAN): Define.
2138 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2139
2140 2009-04-02 Ira Rosen <irar@il.ibm.com>
2141
2142 PR tree-optimization/39595
2143 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
2144 interleaved loads group is not greater than the SLP group size.
2145
2146 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2147
2148 * builtins.c (is_builtin_name): New.
2149 (called_as_built_in): Use is_builtin_name.
2150 * tree.h (is_builtin_name): New.
2151 * varasm.c (incorporeal_function_p): Use is_builtin_name
2152
2153 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
2154
2155 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
2156
2157 2009-04-02 Dodji Seketeli <dodji@redhat.com>
2158
2159 PR c++/26693
2160 * c-decl.c: (clone_underlying_type): Move this ...
2161 * c-common.c (set_underlying_type): ... here.
2162 Also, make sure the function properly sets TYPE_STUB_DECL() on
2163 the newly created typedef variant type.
2164 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2165 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2166 points.
2167
2168 2009-04-02 Richard Guenther <rguenther@suse.de>
2169
2170 PR tree-optimization/37221
2171 * tree-flow.h (degenerate_phi_result): Declare.
2172 * tree-ssa-dom.c (degenerate_phi_result): Export.
2173 * tree-scalar-evolution.c (analyze_initial_condition): If
2174 the initial condition is defined by a degenerate PHI node
2175 use the degenerate value.
2176
2177 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
2178
2179 PR rtl-optimization/39588
2180 * combine.c (merge_outer_ops): Do not set the constant when this
2181 is not necessary.
2182 (simplify_shift_const_1): Do not modify it either in this case.
2183
2184 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
2185
2186 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2187 tuning is deprecated if -mtune value is set to an Itanium1 variant.
2188
2189 2009-04-01 Janis Johnson <janis187@us.ibm.com>
2190
2191 PR c/29027
2192 * c-lex.c (interpret_float): Default (no suffix) is double.
2193
2194 2009-04-1 Xinliang David Li <davidxl@google.com>
2195
2196 * config/i386/i386.c (legitimate_constant_p): Recognize
2197 all one vector constant.
2198
2199 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2200
2201 * gcc/config/vax/vax.c: Add #includes to silence warnings.
2202 Change #include order to silence two warnings.
2203
2204 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2205
2206 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2207 (ASM_SPEC): Pass -k to the assembler for PIC code.
2208
2209 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2210
2211 * gcc/config.gcc: Add vax-*-linux* to the switch.
2212 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2213 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2214
2215 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2216
2217 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2218 Use predicate macros instead of GET_CODE() == foo.
2219 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2220 ashlsi3, rotrsi3, <unnamed>): Likewise.
2221
2222 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2223
2224 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2225 jbbccihi, jbbccisi): Remova trailing whitespace.
2226 * gcc/config/vax/constraints.md: Likewise.
2227 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2228 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2229 * gcc/config/vax/predicates.md: Likewise.
2230 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2231 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2232 * gcc/config/vax/vax.h: Likewise.
2233 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2234
2235 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2236
2237 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2238 (indirectable_address_p, adjacent_operands_p): Add spaces around
2239 braces.
2240 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2241
2242 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2243
2244 * gcc/config/vax/vax.c (legitimate_constant_address_p,
2245 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2246 index_term_p, reg_plus_index_p, legitimate_address_p,
2247 vax_mode_dependent_address_p): Update comments to match functions
2248 modified by the recent int->bool conversion.
2249
2250 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2251
2252 * gcc/config/vax/builtins.md: Update copyright message.
2253 * gcc/config/vax/constraints.md: Likewise.
2254 * gcc/config/vax/netbsd-elf.h: Likewise.
2255 * gcc/config/vax/predicates.md: Likewise.
2256 * gcc/config/vax/vax-protos.h: Likewise.
2257 * gcc/config/vax/vax.c: Likewise.
2258 * gcc/config/vax/vax.h: Likewise.
2259 * gcc/config/vax/vax.md: Likewise.
2260 * gcc/config/vax/vax.opt: Likewise.
2261
2262 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2263
2264 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2265 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2266 * gcc/config/vax/constraints.md (B, R): Likewise.
2267 * gcc/config/vax/predicates.md (external_memory_operand,
2268 nonimmediate_addsub_di_operand): Likewise.
2269 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2270 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2271 untyped_call): Likewise.
2272
2273 2009-04-01 Matt Thomas <matt@3am-software.com>
2274
2275 * config/vax/predicates.md: New file.
2276 (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2277 external_const_operand, nonsymbolic_operand, external_memory_operand,
2278 indirect_memory_operand, indexed_memory_operand,
2279 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2280 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2281 predicate.
2282 * config/vax/constraints.md: New file.
2283 (Z0, U06, U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2284 New constraint.
2285 * config/vax/builtins.md: New file.
2286 (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2287 jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2288 jbbccisi): Define.
2289 * config/vax/vax.opt (mqmath): Add option.
2290 * config/vax/vax.md (isfx): Extend with DI.
2291 (VAXintQH, VAXintQHSD): Define.
2292 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2293 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2294 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2295 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2296 (movdi): Update constraints and use vax_output_int_move().
2297 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2298 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2299 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2300 nonlocal_goto): New.
2301 (mov<mode>): Extend accepted operand types.
2302 (subdi3_old): Rename from subdi3, change update constraints and use
2303 a new implementation.
2304 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2305 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2306 MOVE_RATIO, CLEAR_RATIO): Define.
2307 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2308 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2309 (PRINT_OPERAND): Redefine using a function instead of inlined code.
2310 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2311 (split_quadword_operands): Make static and really allow variable
2312 splitting.
2313 (print_operand_address): Update for PIC generation.
2314 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2315 indexable_address_p, fixup_mathdi_operand,
2316 vax_expand_addsub_di_operands, adjacent_operands_p): New.
2317 (vax_float_literal, legitimate_constant_p,
2318 indirectable_constant_address_p, index_term_p,
2319 reg_plus_index_p): Return bool instead of int.
2320 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2321 where needed.
2322 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2323 generation.
2324 (vax_output_conditional_branch): Indent.
2325 (legitimate_constant_address_p, indirectable_constant_address_p,
2326 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2327 vax_mode_dependent_address_p): Return bool instead of int, update for
2328 PIC generation.
2329 * config/vax/vax-protos.h (legitimate_constant_address_p,
2330 legitimate_constant_p, legitimate_address_p,
2331 vax_mode_dependent_address_p): Change declaration to bool.
2332 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2333 vax_expand_addsub_di_operands, vax_output_int_subtract,
2334 vax_output_movmemsi): Declare.
2335 (split_quadword_operands, vax_float_literal): Delete declaration.
2336 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2337 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2338 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2339 ASM_OUTPUT_DWARF_PCREL): Define.
2340 (ASM_SPEC): Change definition to allow PIC generation.
2341
2342 2009-04-01 Steve Ellcey <sje@cup.hp.com>
2343
2344 * doc/sourcebuild.texi: Update front-end requirements.
2345
2346 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2347
2348 PR target/39226
2349 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2350 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2351 (booldi3_internal3): Use boolean_or_operator instead of
2352 boolean_operator.
2353
2354 2009-04-01 Joseph Myers <joseph@codesourcery.com>
2355
2356 PR c/39605
2357 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2358 declarator whose size is not an integer constant expression but
2359 folds to an integer constant, then treat it as a constant
2360 subsequently.
2361
2362 2009-04-01 Richard Guenther <rguenther@suse.de>
2363
2364 * fold-const.c (fold_plusminus_mult_expr): Do not fold
2365 i * 4 + 2 to (i * 2 + 1) * 2.
2366
2367 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2368
2369 PR c/37772
2370 * c-parser.c (c_parser_asm_statement): Skip until close paren and
2371 return if c_parser_asm_string_literal returned NULL.
2372
2373 2009-04-01 Nick Clifton <nickc@redhat.com>
2374
2375 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2376 already defined.
2377 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2378 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
2379 other typedefs to avoid conflicts with libgcc2.c. Define labels
2380 to gain 16-bit bit-manipulation functions from libgcc2.c and then
2381 include it.
2382 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
2383 to gain 16-bit trapping arithmetic functions from libgcc2.c and
2384 then include it.
2385
2386 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
2387
2388 * varasm.c (default_function_rodata_section): Declare DOT as
2389 const char*.
2390
2391 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
2392 Andrey Galkin <agalkin@hypercom.com>
2393
2394 PR/39492
2395 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2396 Make object_name unique for each process.
2397
2398 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2399
2400 PR other/39591
2401 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2402 addressable variables in the parallel that could go out of scope while
2403 running queued tasks.
2404
2405 2009-04-01 Anatoly Sokolov <aesok@post.ru>
2406
2407 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2408 (CASE_VALUES_THRESHOLD): Redefine.
2409 * config/avr/avr.c (avr_override_options): Remove initialization of
2410 avr_case_values_threshold variable.
2411 (avr_case_values_threshold): Remove variable. Add new function.
2412 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2413 * config/avr/avr.opt (mno-tablejump): Remove option.
2414 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2415
2416 2009-04-01 DJ Delorie <dj@redhat.com>
2417
2418 * varasm.c (default_function_rodata_section): Don't assume
2419 anything about where the first '.' in the section name is.
2420
2421 2009-04-01 Alan Modra <amodra@bigpond.net.au>
2422
2423 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2424 rs6000_emit_stack_tie.
2425
2426 2009-03-31 Ian Lance Taylor <iant@google.com>
2427
2428 * tree-eh.c (tree_remove_unreachable_handlers): Compare
2429 gimple_code with GIMPLE_RESX, not RESX.
2430
2431 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2432
2433 * c-common.c (c_get_ident): New.
2434 (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2435
2436 2009-04-01 Ben Elliston <bje@au.ibm.com>
2437
2438 * config/rs6000/sysv4.opt (msdata): Improve option description.
2439
2440 2009-03-31 Steve Ellcey <sje@cup.hp.com>
2441
2442 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2443 (divdf3_internal_lat): Remove.
2444 (divxf3_internal_lat): Remove.
2445 (divxf3_internal_thr): Remove.
2446 (divxf): Use divxf3_internal.
2447 * config/ia64/div.md (divsf3_internal_lat): New.
2448 (divdf3_internal_lat): New.
2449 (divxf3_internal): New.
2450
2451 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2452
2453 PR c/448
2454 * Makefile.in (USE_GCC_STDINT): Define.
2455 (stmp-int-hdrs): Install stdint.h if applicable.
2456 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2457 if known.
2458 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2459 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2460 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2461 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2462 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2463 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2464 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2465 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2466 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2467 (c_common_nodes_and_builtins): Initialize
2468 underlying_wchar_type_node. Do not initialize
2469 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
2470 nodes for new types.
2471 (c_stddef_cpp_builtins): Define macros for new types.
2472 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2473 Remove.
2474 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2475 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2476 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2477 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2478 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2479 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2480 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2481 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2482 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2483 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2484 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2485 int16_type_node, int32_type_node, int64_type_node,
2486 uint8_type_node, uint16_type_node, c_uint32_type_node,
2487 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2488 int_least32_type_node, int_least64_type_node,
2489 uint_least8_type_node, uint_least16_type_node,
2490 uint_least32_type_node, uint_least64_type_node,
2491 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2492 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2493 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2494 uintptr_type_node): Define.
2495 * c-cppbuiltin.c (builtin_define_constants,
2496 builtin_define_type_minmax): New.
2497 (builtin_define_stdint_macros): Define more macros.
2498 (c_cpp_builtins): Define more limit macros.
2499 (type_suffix): New.
2500 (builtin_define_type_max): Define in terms of
2501 builtin_define_type_minmax. Remove is_long parameter. All
2502 callers changed.
2503 * config.gcc (use_gcc_stdint): Define.
2504 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2505 Add newlib-stdint.h for generic targets.
2506 * config/glibc-stdint.h, config/newlib-stdint.h,
2507 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2508 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2509 * config/score/score.h (UINTPTR_TYPE): Define.
2510 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2511 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2512 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2513 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2514 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2515 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2516 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2517 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2518 * config/spu/spu.h (STDINT_LONG32): Define.
2519 * configure.ac (use_gcc_stdint): Substitute.
2520 * configure: Regenerate.
2521 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2522 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2523 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2524 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2525 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2526 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2527 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2528 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2529 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2530 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2531 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2532 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2533 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2534 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2535 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2536 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2537 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2538 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2539 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2540 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2541 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2542 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2543 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2544 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2545 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2546 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2547 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2548 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2549 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2550
2551 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
2552
2553 * loop-iv.c (suitable_set_for_replacement): Renamed from
2554 simplify_using_assignment; changed to return bool and to accept new
2555 args DEST and SRC. Return true iff we find a source/destination pair
2556 that can be used to make a replacement, and fill SRC and DEST if so.
2557 Remove arg ALTERED. Don't deal with altered regs here. All callers
2558 changed.
2559 (simplify_using_initial_values): Deal with altered regs here and track
2560 more precisely the effect they have on the validity of our expression.
2561
2562 * loop-iv.c (simplify_using_condition): A condition of the form
2563 (EQ REG CONST) can be used to simply make a substitution.
2564 (simplify_using_initial_values): Keep track of conditions we have seen
2565 and keep using them to simplify new expressions, while applying the
2566 same substitutions to them as to the expression.
2567
2568 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2569 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2570 GEU/LTU reversed.
2571
2572 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
2573 changed. Use this when trying to improve the upper bound.
2574 Generate the comparison by using simplify_gen_relational.
2575
2576 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2577
2578 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2579 functions.
2580 (simplify_using_assignment, simplify_using_initial_values): Call
2581 replace_in_expr to make replacements. Call replace_single_def_regs
2582 once on the initial version of the expression.
2583
2584 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2585
2586 PR target/27237
2587 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2588
2589 2009-03-31 Richard Guenther <rguenther@suse.de>
2590
2591 PR middle-end/31029
2592 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2593 equality comparisons. Fold C - X CMP X if C % 2 == 1.
2594
2595 2009-03-31 Richard Guenther <rguenther@suse.de>
2596
2597 * tree.h (div_if_zero_remainder): Declare.
2598 * fold-const.c (div_if_zero_remainder): Export.
2599 * tree-ssa-forwprop.c
2600 (forward_propagate_addr_into_variable_array_index): Handle
2601 constant array index addition outside of the variable index.
2602
2603 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2604
2605 PR target/39592
2606 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2607 define_splits, floatunssi<mode>2): Require x87 conversions from
2608 DImode to be permitted.
2609
2610 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2611
2612 PR preprocessor/15638
2613 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2614
2615 2009-03-31 Richard Guenther <rguenther@suse.de>
2616
2617 PR middle-end/23401
2618 PR middle-end/27810
2619 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2620 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2621 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2622 a separate statement.
2623 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2624 (lookup_tmp_var): Likewise.
2625 (is_gimple_formal_tmp_or_call_rhs): Remove.
2626 (is_gimple_reg_or_call_rhs): Rename to ...
2627 (is_gimple_reg_rhs_or_call): ... this.
2628 (is_gimple_mem_or_call_rhs): Rename to ...
2629 (is_gimple_mem_rhs_or_call): ... this.
2630 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
2631 DECL_GIMPLE_REG_P only if is_formal is true.
2632 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
2633 for non-proper post-modify expression gimplification.
2634 (gimplify_self_mod_expr): For post-modify expressions gimplify
2635 the lvalue to a minimal lvalue.
2636 (rhs_predicate_for): Remove formal temp case.
2637 (gimplify_modify_expr_rhs): Likewise.
2638 (gimplify_addr_expr): Use is_gimple_reg.
2639 (gimplify_expr): Remove formal temp cases.
2640 (gimple_regimplify_operands): Likewise.
2641 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2642 and FILTER_EXPR like constants.
2643 * gimple.c (walk_gimple_op): Fix val_only initialization, use
2644 is_gimple_reg.
2645 (is_gimple_formal_tmp_rhs): Remove.
2646 (is_gimple_reg_rhs): Remove special casing.
2647 (is_gimple_mem_rhs): Fix.
2648 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2649 (is_gimple_formal_tmp_var): Remove.
2650 (is_gimple_formal_tmp_reg): Likewise.
2651 (is_gimple_min_lval): Allow invariant component ref parts.
2652 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2653 is_gimple_formal_tmp_reg): Remove declarations.
2654 * tree-cfg.c (verify_expr): Verify that variables with address
2655 taken do not have DECL_GIMPLE_REG_P set.
2656 * tree-mudflap.c (mf_build_check_statement_for): Use
2657 force_gimple_operand instead of gimplify_expr.
2658
2659 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
2660
2661 * modulo-sched.c (sms_schedule_by_order): Pass the actual
2662 schedulable rows to compute_split_row.
2663
2664 2009-03-31 Ben Elliston <bje@au.ibm.com>
2665
2666 PR target/31635
2667 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2668 OPT_mvrsave.
2669
2670 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2671
2672 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2673 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2674 * configure: Regenerate.
2675 * config.in: Regenerate.
2676 * config/rs6000/rs6000.opt (mtls-markers): Add.
2677 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2678 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2679 (tls_ld_aix, tls_ld_sysv): Likewise.
2680 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2681 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2682
2683 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2684
2685 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2686
2687 2009-03-30 Jan Hubicka <jh@suse.cz>
2688
2689 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2690 out of RESX.
2691 (tree_remove_unreachable_handlers): Cleanup EH predecestor
2692 detection and label handling.
2693
2694 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2695
2696 * ira-int.h (ira_allocno): Rename left_conflicts_num to
2697 left_conflicts_size.
2698 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2699 ALLOCNO_LEFT_CONFLICTS_SIZE.
2700
2701 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2702 remove_allocno_from_bucket_and_push,
2703 allocno_spill_priority_compare, push_allocnos_to_stack,
2704 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2705 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2706 (setup_allocno_left_conflicts_num): Ditto. Rename to
2707 setup_allocno_left_conflicts_size.
2708 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2709 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2710 setup_allocno_left_conflicts_size instead of
2711 setup_allocno_left_conflicts_num.
2712
2713 * ira-build.c (ira_create_allocno): Use
2714 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2715 ALLOCNO_LEFT_CONFLICTS_NUM.
2716
2717 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2718
2719 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2720 instead of DF_LR_OUT.
2721
2722 * ira-lives.c (process_bb_node_lives): Ditto.
2723
2724 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2725 instead of DF_LR_{OUT,IN}.
2726
2727 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2728
2729 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2730
2731 2009-03-30 Jan Hubicka <jh@suse.cz>
2732
2733 * except.c (label_to_region_map): Fix thinko.
2734
2735 2009-03-30 Steve Ellcey <sje@cup.hp.com>
2736
2737 PR middle-end/38237
2738 * tree.h (tree_find_value): New declaration.
2739 * tree.c (tree_find_value): New function.
2740 * varasm.c (assemble_external): Avoid duplicate entries on lists.
2741
2742 2009-03-30 Jakub Jelinek <jakub@redhat.com>
2743
2744 PR debug/39563
2745 * c-decl.c (struct c_binding): Add locus field.
2746 (bind): Add locus argument, set locus field from it.
2747 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2748 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2749 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
2750 implicitly_declare, undeclared_variable, lookup_label,
2751 declare_label, c_make_fname_decl, c_builtin_function,
2752 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
2753 bind callers.
2754
2755 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
2756
2757 PR target/38781
2758 * config/i386/i386.c (classify_argument): Check total size of
2759 structure.
2760
2761 2009-03-30 Martin Jambor <mjambor@suse.cz>
2762
2763 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
2764 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
2765 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
2766 respectively.
2767
2768 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
2769 seen_variable_array_ref while also traversing a union.
2770
2771 * tree-inline.c (optimize_inline_calls): Do not call
2772 cgraph_node_remove_callees.
2773 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
2774 (pass_remove_cgraph_callee_edges): New variable.
2775 * passes.c (init_optimization_passes): Add
2776 pass_remove_cgraph_callee_edges after early inlining and before all
2777 late intraprocedural passes.
2778
2779 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
2780
2781 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2782
2783 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
2784 Fix typos in names.
2785
2786 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2787
2788 * combine.c (simplify_comparison): Use have_insn_for.
2789 * dojump.c (do_jump): Likewise.
2790
2791 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2792
2793 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
2794 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
2795 sparc_compare_op0 like sparc_compare_emitted used to be handled.
2796 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
2797 instead of sparc_compare_emitted.
2798 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
2799 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
2800 instead of sparc_compare_emitted.
2801
2802 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2803
2804 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
2805 enter/exit cfglayout mode.
2806 (pass_partition_block): Require it.
2807 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
2808 (combine_instructions): Track basic blocks instead of labels.
2809 (update_cfg_for_uncondjump): New.
2810 (try_combine): Use it. Update jumps after rescanning.
2811 (pass_combine): Require PROP_cfglayout.
2812 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
2813
2814 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2815
2816 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
2817 Provide/destroy PROP_cfglayout respectively.
2818 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
2819 * tree-pass.h (PROP_cfglayout): New.
2820
2821 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2822
2823 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
2824 fold_convert_const_fixed_from_fixed,
2825 fold_convert_const_fixed_from_int,
2826 fold_convert_const_fixed_from_real, fold_negate_const): Do not
2827 set TREE_CONSTANT_OVERFLOW.
2828 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
2829 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
2830
2831 2009-03-30 Ira Rosen <irar@il.ibm.com>
2832
2833 * tree-vect-loop-manip.c: New file.
2834 * tree-vectorizer.c: Update documentation and included files.
2835 (vect_loop_location): Make extern.
2836 (rename_use_op): Move to tree-vect-loop-manip.c
2837 (rename_variables_in_bb, rename_variables_in_loop,
2838 slpeel_update_phis_for_duplicate_loop,
2839 slpeel_update_phi_nodes_for_guard1,
2840 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
2841 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
2842 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
2843 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
2844 find_loop_location): Likewise.
2845 (new_stmt_vec_info): Move to tree-vect-stmts.c.
2846 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
2847 get_vectype_for_scalar_type, vect_is_simple_use,
2848 supportable_widening_operation, supportable_narrowing_operation):
2849 Likewise.
2850 (bb_in_loop_p): Move to tree-vect-loop.c.
2851 (new_loop_vec_info, destroy_loop_vec_info,
2852 reduction_code_for_scalar_code, report_vect_op,
2853 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
2854 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
2855 (vect_supportable_dr_alignment): Likewise.
2856 * tree-vectorizer.h (tree-data-ref.h): Include.
2857 (vect_loop_location): Declare.
2858 Reorganize function declarations according to the new file structure.
2859 * tree-vect-loop.c: New file.
2860 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
2861 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
2862 * tree-vect-data-refs.c: New file.
2863 * tree-vect-patterns.c (timevar.h): Don't include.
2864 * tree-vect-stmts.c: New file.
2865 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
2866 tree-vect-slp.c, tree-vect-loop.c.
2867 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
2868 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
2869 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
2870 (tree-vect-analyze.o): Remove.
2871 (tree-vect-transform.o): Likewise.
2872 (tree-vect-data-refs.o): Add rule.
2873 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
2874 tree-vect-slp.o): Likewise.
2875 (tree-vect-patterns.o): Remove redundant dependencies.
2876 (tree-vectorizer.o): Likewise.
2877 * tree-vect-slp.c: New file.
2878
2879 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2880
2881 * optc-gen.awk: Warn if an option flag has multiple different
2882 help strings.
2883
2884 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
2885
2886 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
2887 -floop-block): Document dependences on PPL, CLooG and Graphite.
2888
2889 2009-03-30 Joseph Myers <joseph@codesourcery.com>
2890
2891 PR rtl-optimization/323
2892 * c-common.c (c_fully_fold, convert_and_check,
2893 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
2894 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
2895 * c-common.def (EXCESS_PRECISION_EXPR): New.
2896 * c-cppbuiltin.c (builtin_define_float_constants): Define
2897 constants with enough digits for long double.
2898 * c-lex.c (interpret_float): Interpret constant with excess
2899 precision where appropriate.
2900 * c-opts.c (c_common_post_options): Set
2901 flag_excess_precision_cmdline. Give an error for
2902 -fexcess-precision=standard for C++ for processors where the
2903 option is significant.
2904 * c-parser.c (c_parser_conditional_expression): Handle excess
2905 precision in condition.
2906 * c-typeck.c (convert_arguments): Handle arguments with excess
2907 precision.
2908 (build_unary_op): Move excess precision outside operation.
2909 (build_conditional_expr): Likewise.
2910 (build_compound_expr): Likewise.
2911 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
2912 (build_modify_expr): Handle excess precision in RHS.
2913 (convert_for_assignment): Handle excess precision in converted
2914 value.
2915 (digest_init, output_init_element, process_init_element): Handle
2916 excess precision in initializer.
2917 (c_finish_return): Handle excess precision in return value.
2918 (build_binary_op): Handle excess precision in operands and add
2919 excess precision as needed for operation.
2920 * common.opt (-fexcess-precision=): New option.
2921 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
2922 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
2923 For standard excess precision, output explicit conversion to and
2924 truncation from XFmode.
2925 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
2926 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
2927 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
2928 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
2929 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
2930 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
2931 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
2932 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
2933 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
2934 define_splits, sqrt<mode>2): Disable where appropriate for
2935 standard excess precision.
2936 * convert.c (convert_to_real): Do not shorten arithmetic to type
2937 for which excess precision would be used.
2938 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
2939 * doc/invoke.texi (-fexcess-precision=): Document option.
2940 (-mfpmath=): Correct index entry.
2941 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
2942 flag_excess_precision): New.
2943 * langhooks.c (lhd_post_options): Set
2944 flag_excess_precision_cmdline.
2945 * opts.c (common_handle_option): Handle -fexcess-precision=.
2946 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
2947 init_excess_precision): New.
2948 (lang_dependent_init_target): Call init_excess_precision.
2949 * tree.c (excess_precision_type): New.
2950 * tree.h (excess_precision_type): Declare.
2951
2952 2009-03-30 Joseph Myers <joseph@codesourcery.com>
2953
2954 PR c/35235
2955 * c-typeck.c (build_component_ref): Do not copy qualifiers from
2956 non-lvalue to component.
2957
2958 2009-03-29 Joseph Myers <joseph@codesourcery.com>
2959
2960 PR preprocessor/34695
2961 * Makefile.in (c-opts.o): Depend on c-tree.h.
2962 * c-common.c: Move down include of diagnostic.h.
2963 (done_lexing, c_cpp_error): New.
2964 * c-common.h (done_lexing): Declare.
2965 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
2966 (parse_in).
2967 * c-opts.c: Include c-tree.h.
2968 (c_common_init_options): Set preprocessor error callback.
2969 (c_common_handle_option): Do not set preprocessor
2970 inhibit_warnings, warnings_are_errors, warn_system_headers,
2971 pedantic_errors or inhibit_warnings flags.
2972 (c_common_post_options): Do not check cpp_errors (parse_in).
2973 (c_common_finish): Do not output dependencies if there were
2974 errors. Do not check return value of cpp_finish.
2975 * c-ppoutput.c (pp_file_change): Set input_location.
2976 * c-tree.h (c_cpp_error): Declare.
2977 * diagnostic.c (diagnostic_set_info_translated): Also initialize
2978 override_column.
2979 (diagnostic_build_prefix): Check override_column.
2980 * diagnostic.h (diagnostic_info): Add override_column field.
2981 (diagnostic_override_column): Define.
2982
2983 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
2984
2985 * c-common.c (c_expand_expr, c_staticp): Remove.
2986 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
2987 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
2988 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
2989 * c-gimplify.c (gimplify_compound_literal_expr,
2990 optimize_compound_literals_in_ctor): Remove.
2991 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
2992 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
2993 * c-semantics.c (emit_local_var): Remove.
2994
2995 * langhooks-def.h (lhd_expand_expr): Remove.
2996 * langhooks.c (lhd_expand_expr): Remove.
2997 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
2998
2999 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
3000 handling from c-semantics.c; don't call into langhook.
3001 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
3002 * gimplify.c (gimplify_compound_literal_expr,
3003 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
3004 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
3005 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
3006 as was done in c-gimplify.c.
3007 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
3008 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
3009 Move from c-common.h.
3010 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
3011
3012 * tree.c (staticp): Do not call langhook.
3013 * langhooks.c (lhd_staticp): Delete.
3014 * langhooks-def.h (lhd_staticp): Delete prototype.
3015 (LANG_HOOKS_STATICP): Delete.
3016 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
3017
3018 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
3019 instead of DECL_STMTs.
3020
3021 2009-03-29 Joseph Myers <joseph@codesourcery.com>
3022
3023 PR c/456
3024 PR c/5675
3025 PR c/19976
3026 PR c/29116
3027 PR c/31871
3028 PR c/35198
3029 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
3030 void_type_node.
3031 (fold_call_expr): Return a NOP_EXPR from folding rather than the
3032 contained expression.
3033 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
3034 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
3035 conditional expressions for C.
3036 (decl_constant_value_for_optimization): Move from
3037 decl_constant_value_for_broken_optimization in c-typeck.c. Check
3038 whether optimizing and that the expression is a VAR_DECL not of
3039 array type instead of doing such checks in the caller. Do not
3040 check pedantic. Call gcc_unreachable for C++.
3041 * c-common.def (C_MAYBE_CONST_EXPR): New.
3042 * c-common.h (c_fully_fold, c_save_expr,
3043 decl_constant_value_for_optimization): New prototypes.
3044 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3045 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3046 EXPR_INT_CONST_OPERANDS): Define.
3047 * c-convert.c (convert): Strip nops from expression.
3048 * c-decl.c (groktypename): Take extra parameters expr and
3049 expr_const_operands. Update call to grokdeclarator.
3050 (start_decl): Update call to grokdeclarator. Add statement for
3051 expressions used in type of decl.
3052 (grokparm): Update call to grokdeclarator.
3053 (push_parm_decl): Update call to grokdeclarator.
3054 (build_compound_literal): Add parameter non_const and build a
3055 C_MAYBE_COSNT_EXPR if applicable.
3056 (grokdeclarator): Take extra parameters expr and
3057 expr_const_operands. Track expressions used in declaration
3058 specifiers and declarators. Fold array sizes and track whether
3059 they are constant expressions and whether they are integer
3060 constant expressions.
3061 (parser_xref_tag): Set expr and expr_const_operands fields in
3062 return value.
3063 (grokfield): Update call to grokdeclarator.
3064 (start_function): Update call to grokdeclarator.
3065 (build_null_declspecs): Set expr and expr_const_operands fields in
3066 return value.
3067 (declspecs_add_type): Handle expressions in typeof specifiers.
3068 * c-parser.c (c_parser_declspecs): Set expr and
3069 expr_const_operands fields for declaration specifiers.
3070 (c_parser_enum_specifier): Likewise.
3071 (c_parser_struct_or_union_specifier): Likewise.
3072 (c_parser_typeof_specifier): Likewise. Update call to
3073 groktypename. Fold expression as needed. Return expressions with
3074 type instead of adding statements.
3075 (c_parser_attributes): Update calls to c_parser_expr_list.
3076 (c_parser_statement_after_labels): Fold expression before passing
3077 to objc_build_throw_stmt.
3078 (c_parser_condition): Fold expression.
3079 (c_parser_asm_operands): Fold expression.
3080 (c_parser_conditional_expression): Use c_save_expr. Update call
3081 to build_conditional_expr.
3082 (c_parser_alignof_expression): Update call to groktypename.
3083 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
3084 original_code. Fold expression argument of va_arg. Create
3085 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
3086 argument to va_arg. Update calls to groktypename. Fold array
3087 index for offsetof. Verify that first argument to
3088 __builtin_choose_expr has integer type.
3089 (c_parser_postfix_expression_after_paren_type): Update calls to
3090 groktypename and build_compound_literal. Handle expressions with
3091 side effects in type name.
3092 (c_parser_postfix_expression_after_primary): Update call to
3093 c_parser_expr_list. Set original_code for calls to
3094 __builtin_constant_p.
3095 (c_parser_expr_list): Take extra parameter fold_p. Fold
3096 expressions if requested.
3097 (c_parser_objc_type_name): Update call to groktypename.
3098 (c_parser_objc_synchronized_statement): Fold expression.
3099 (c_parser_objc_receiver): Fold expression.
3100 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
3101 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
3102 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
3103 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
3104 (struct c_typespec): Add elements expr and expr_const_operands.
3105 (struct c_declspecs): Add elements expr and expr_const_operands.
3106 (groktypename, build_conditional_expr, build_compound_literal):
3107 Update prototypes.
3108 (in_late_binary_op): Declare.
3109 * c-typeck.c (note_integer_operands): New function.
3110 (in_late_binary_op): New variable.
3111 (decl_constant_value_for_broken_optimization): Move to c-common.c
3112 and rename to decl_constant_value_for_optimization.
3113 (default_function_array_conversion): Do not strip nops.
3114 (default_conversion): Do not call
3115 decl_constant_value_for_broken_optimization.
3116 (build_array_ref): Do not fold result.
3117 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
3118 result when operand is a VLA.
3119 (c_expr_sizeof_type): Update call to groktypename. Handle
3120 expressions included in type name. Use C_MAYBE_CONST_EXPR for
3121 result when operand names a VLA type.
3122 (build_function_call): Update call to build_compound_literal.
3123 Only fold result for calls to __builtin_* functions. Strip
3124 NOP_EXPR from INTEGER_CST returned from such functions. Fold
3125 the function designator.
3126 (convert_arguments): Fold arguments. Update call to
3127 convert_for_assignment.
3128 (build_unary_op): Handle increment and decrement of
3129 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
3130 decrement earlier. Fold operand of increment and decrement.
3131 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
3132 built for integer operand. Wrap returns that are INTEGER_CSTs
3133 without being integer constant expressions or that have integer
3134 constant operands without being INTEGER_CSTs.
3135 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
3136 (build_conditional_expr): Add operand ifexp_bcp. Track whether
3137 result is an integer constant expression or can be used in
3138 unevaluated parts of one and avoid folding and wrap as
3139 appropriate. Fold operands before possibly doing -Wsign-compare
3140 warnings.
3141 (build_compound_expr): Wrap result for C99 if operands can be used
3142 in integer constant expressions.
3143 (build_c_cast): Update call to digest_init. Do not ignore
3144 overflow from casting floating-point constants to integers. Wrap
3145 results that could be confused with integer constant expressions,
3146 null pointer constants or floating-point constants.
3147 (c_cast_expr): Update call to groktypename. Handle expressions
3148 included in type name.
3149 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
3150 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
3151 Update calls to convert_for_assignment.
3152 (convert_for_assignment): Take new parameter
3153 null_pointer_constant. Do not strip nops or call
3154 decl_constant_value_for_broken_optimization. Set
3155 in_late_binary_op for conversions to boolean.
3156 (store_init_value): Update call to digest_init.
3157 (digest_init): Take new parameter null_pointer_constant. Do not
3158 call decl_constant_value_for_broken_optimization. pedwarn for
3159 initializers not constant expressions. Update calls to
3160 convert_for_assignment.
3161 (constructor_nonconst): New.
3162 (struct constructor_stack): Add nonconst element.
3163 (really_start_incremental_init, push_init_level, pop_init_level):
3164 Handle constructor_nonconst and nonconst element.
3165 (set_init_index): Call constant_expression_warning for array
3166 designators.
3167 (output_init_element): Fold value. Set constructor_nonconst as
3168 applicable. pedwarn for initializers not constant expressions.
3169 Update call to digest_init. Call constant_expression_warning
3170 where constant initializers are required.
3171 (process_init_element): Use c_save_expr.
3172 (c_finish_goto_ptr): Fold expression.
3173 (c_finish_return): Fold return value. Update call to
3174 convert_for_assignment.
3175 (c_start_case): Fold switch expression.
3176 (c_process_expr_stmt): Fold expression.
3177 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3178 ensure statement expression is not evaluated in constant expression.
3179 (build_binary_op): Track whether results are integer constant
3180 expressions or may occur in such, disable folding and wrap results
3181 as applicable. Fold operands for -Wsign-compare warnings unless
3182 in_late_binary_op.
3183 (c_objc_common_truthvalue_conversion): Handle results folded to
3184 integer constants that are not integer constant expressions.
3185 * doc/extend.texi: Document when typeof operands are evaluated,
3186 that condition of __builtin_choose_expr is an integer constant
3187 expression, and more about use of __builtin_constant_p in
3188 initializers.
3189
3190 2009-03-29 Richard Guenther <rguenther@suse.de>
3191
3192 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3193 propagate addresses of array references.
3194
3195 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
3196
3197 * regmove.c (perhaps_ends_bb_p): Remove.
3198 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
3199 from INSN and check that the main loop stays within that basic block.
3200 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3201 (regmove_forward_pass): Split out from regmove_optimize. Use
3202 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3203 (regmove_backward_pass): Split out from regmove_optimize. Use
3204 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3205 (regmove_optimize): Simplify.
3206
3207 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
3208
3209 PR target/39545
3210 * config/i386/i386.c (classify_argument): Ignore flexible array
3211 member in struct and warn ABI change.
3212
3213 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
3214
3215 * config/i386/i386-protos.h (ix86_agi_dependent): New.
3216
3217 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3218 (ix86_adjust_cost): Updated.
3219
3220 2009-03-29 Jan Hubicka <jh@suse.cz>
3221
3222 PR middle-end/28850
3223 * tree-pass.h (pass_cleanup_eh): New function.
3224 (remove_unreachable_regions): Break code handling RTL
3225 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3226 that can not be reached by runtime.
3227 (can_be_reached_by_runtime): New function.
3228 (label_to_region_map): New function.
3229 (num_eh_regions): New function.
3230 (rtl_remove_unreachable_regions): New function.
3231 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3232 (remove_eh_region): New function.
3233 * except.h: Include sbitmap and vecprim.
3234 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3235 num_eh_regions): Declare.
3236 * passes.c (init_optimization_passes): Schedule cleanup_eh.
3237 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3238 * tree-eh.c (tree_remove_unreachable_handlers): New function.
3239 (tree_empty_eh_handler_p): New function.
3240 (cleanup_empty_eh): New function.
3241 (cleanup_eh): New function.
3242 (pass_cleanup_eh): New function.
3243
3244 2009-03-29 Jan Hubicka <jh@suse.cz>
3245
3246 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3247 for removed regions.
3248
3249 2009-03-29 Jan Hubicka <jh@suse.cz>
3250
3251 * except.c (dump_eh_tree): Dump all datastructures.
3252
3253 2009-03-29 Jan Hubicka <jh@suse.cz>
3254
3255 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3256 (duplicate_eh_regions_1): Likewise.
3257 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3258 vector; call EH verification.
3259 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3260 Be ready for region being removed.
3261
3262 2009-03-29 Jan Hubicka <jh@suse.cz>
3263
3264 * bitmap.c (bitmap_last_set_bit): New function.
3265 * bitmap.h (bitmap_last_set_bit): Declare.
3266
3267 2009-03-29 David Ayers <ayers@fsfe.org>
3268
3269 PR objc/27377
3270 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3271 by calling objc_compare_types and surpress warnings about
3272 incompatible C pointers that are compatible ObjC pointers.
3273
3274 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
3275
3276 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3277 call initialize_inline_failed.
3278 (initialize_inline_failed): Move it from here ...
3279 * cgraph.c (initialize_inline_failed): ... to here.
3280 (cgraph_create_edge): Call initialize_inline_failed rather than
3281 setting inline_failed directly.
3282
3283 2009-03-29 Ben Elliston <bje@au.ibm.com>
3284
3285 PR target/32542
3286 * sysv4.opt (msdata): Improve comment.
3287 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3288 * sysv4.h (SVR4_ASM_SPEC): Likewise.
3289
3290 2009-03-29 Ben Elliston <bje@au.ibm.com>
3291
3292 PR target/30451
3293 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3294 load and store attributes.
3295
3296 2009-03-29 Ben Elliston <bje@au.ibm.com>
3297
3298 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3299 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3300 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3301 * doc/extend.texi (X86 Built-in Functions): Add index entries for
3302 __builtin_infq and __builtin_huge_valq.
3303
3304 2009-03-28 Anatoly Sokolov <aesok@post.ru>
3305
3306 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3307 atmega8m1 devices.
3308 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3309 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3310
3311 2009-03-28 Xinliang David Li <davidxl@google.com>
3312
3313 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
3314 (do_dbg_cnt): New function.
3315
3316 2009-03-28 Jan Hubicka <jh@suse.cz>
3317
3318 Merge from pretty-ipa:
3319
3320 2009-03-27 Jan Hubicka <jh@suse.cz>
3321
3322 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3323 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3324 * passes.c (function_called_by_processed_nodes_p): New.
3325 * ipa-pure-const.c (check_call): Fix handling of operands.
3326 (analyze_function): Dump debug output for skipped bodies.
3327 (local_pure_const): Use function_called_by_processed_nodes_p.
3328 * dwarf2out.c (reference_to_unused): Use output.
3329 * passes.c (do_per_function_toporder): Likewise.
3330
3331 2008-11-12 Jan Hubicka <jh@suse.cz>
3332
3333 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3334 * ipa-pure-const.c (funct_state_d): Add can throw field; make
3335 state_set_in_source enum
3336 (check_decl): Ignore memory tags; do not set fake looping flags;
3337 dump diagnostics.
3338 (check_operand, check_tree, check_rhs_var, check_lhs_var,
3339 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3340 (check_call, analyze_function): Rewrite.
3341 (check_stmt): New.
3342 (add_new_function): Update call of analyze_function.
3343 (generate_summary): Add call of analyze_function.
3344 (propagate): Propagate can_throw; handle state_set_in_source correctly.
3345 (local_pure_const): New function.
3346 (pass_local_pure_const): New pass.
3347 * ipa-inline.c (inline_transform): Set after_inlining.
3348 * tree-eh.c (stmt_can_throw_external): New.
3349 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3350 work with aliasing built.
3351 * tree-flow.h (stmt_can_throw_external): New.
3352 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3353 and local pure/const pass in early and late optimization queue.
3354
3355 2009-03-28 Martin Jambor <mjambor@suse.cz>
3356
3357 * fold-const.c (get_pointer_modulus_and_residue): New parameter
3358 allow_func_align.
3359 (fold_binary): Allow function decl aligment consideration is the
3360 second argument is integer constant one.
3361 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3362 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3363 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3364
3365 2009-03-28 Jan Hubicka <jh@suse.cz>
3366
3367 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3368 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3369 * function.h (rtl_data): Add nothrow flag.
3370 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3371 set DECL_NOTHROW for AVAILABLE functions.
3372
3373 2009-03-28 Jakub Jelinek <jakub@redhat.com>
3374
3375 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3376 following vector keyword has expansion starting with pixel or bool
3377 keyword, expand vector to __vector and pixel or bool to __pixel or
3378 __bool.
3379
3380 PR c++/39554
3381 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3382 warn_if_disallowed_function_p): Removed.
3383 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3384 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3385 warning_if_disallowed_function_p.
3386 * flags.h (warn_if_disallowed_function_p,
3387 warn_disallowed_functions): Removed.
3388 * common.opt (Wdisallowed-function-list=): Removed.
3389 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3390
3391 2009-03-28 Richard Guenther <rguenther@suse.de>
3392
3393 PR tree-optimization/38723
3394 * tree-ssa-pre.c (compute_avail): Add all default definitions to
3395 the entry block.
3396
3397 2009-03-28 Jan Hubicka <jh@suse.cz>
3398
3399 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3400 test introduced by my previous patch.
3401
3402 2009-03-28 Richard Guenther <rguenther@suse.de>
3403
3404 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3405 the PHIs value undefined.
3406
3407 2009-03-28 Jan Hubicka <jh@suse.cz>
3408
3409 * tree-pass.h (pass_fixup_cfg): New pass.
3410 * ipa-inline.c (inline_transform): Set
3411 always_inline_functions_inlined/after_inlining.
3412 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3413 (pass_fixup_cfg): New pass.
3414 * passes.c (init_optimization_passes): Add fixup_cfg.
3415
3416 2009-03-28 Richard Guenther <rguenther@suse.de>
3417
3418 PR tree-optimization/38458
3419 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3420 argument use the arguments copy-of value.
3421
3422 2009-03-28 Richard Guenther <rguenther@suse.de>
3423
3424 PR tree-optimization/38180
3425 * tree-ssa-ccp.c (get_default_value): Simplify.
3426 (likely_value): Likewise.
3427 (surely_varying_stmt_p): Properly handle VOP case.
3428 (ccp_initialize): Likewise.
3429 (ccp_fold): Handle propagating through *&.
3430 (fold_const_aggregate_ref): Also handle decls.
3431
3432 2009-03-28 Jan Hubicka <jh@suse.cz>
3433
3434 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3435 * cgraph.h (cgraph_node): Likewise.
3436 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3437 (cgraph_reset_node): Use process flag.
3438 (cgraph_mark_functions_to_output): Likewise.
3439 (cgraph_expand_function): Likewise.
3440 (cgraph_expand_all_functions): Likewise.
3441 (cgraph_output_in_order): Likewise.
3442 * dwarf2out.c (reference_to_unused): Likewise.
3443 * passes.c do_per_function_toporder): Likewise.
3444
3445 2009-03-28 Jan Hubicka <jh@suse.cz>
3446
3447 Bring from lto-branch:
3448
3449 2008-09-03 Doug Kwan <dougkwan@google.com>
3450
3451 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3452 enums instead of reason strings.
3453 * cgraph.c (cgraph_create_edge): Same.
3454 (cgraph_inline_failed_string): New function.
3455 * cgraph.h (cgraph_inline_failed_t): New enum type.
3456 (cgraph_inline_failed_string): New prototype.
3457 (struct cgraph_edge): Change type of INLINED_FAILED from constant
3458 char pointer to cgraph_inline_failed_t.
3459 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3460 (cgraph_default_inline_p): Ditto.
3461 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3462 to cgraph_inline_failed_t pointer.
3463 * cif-code.def: New file.
3464 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3465 reason string.
3466 (cgraph_check_inline_limits): Change type of REASON to pointer to
3467 cgraph_inline_failed_t. Replace reason strings with enums.
3468 (cgraph_default_inline_p): Ditto.
3469 (cgraph_recursive_inlining_p): Ditto.
3470 (update_caller_keys): Change type of FAILED_REASON to
3471 cgraph_inline_failed_t.
3472 (cgraph_set_inline_failed): Change type of REASON to pointer to
3473 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
3474 convert enums to strings for text output.
3475 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3476 to be of type cgraph_inline_failed_t. Replace reason strings with
3477 enums. Call cgraph_inline_failed_string to covert enums
3478 to strings for text output.
3479 (cgraph_decide_inlining): Replace reason strings with enums.
3480 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3481 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
3482 for text output.
3483 * tree-inline.c (expand_call_inline): Change type of REASON
3484 to cgraph_inline_failed_t. Replace reason strings with enums.
3485 Call cgraph_inline_failed_string for text output.
3486 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3487 (cgraph.o): Ditto.
3488
3489 2009-03-28 Jan Hubicka <jh@suse.cz>
3490
3491 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3492 cgraph_clone_node): Remove master clone handling.
3493 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3494 * cgraph.h (master_clone): Remove.
3495 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3496 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3497 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3498
3499 2009-03-28 Jan Hubicka <jh@suse.cz>
3500
3501 * cgraph.c (cgraph_function_body_availability): Functions declared
3502 inline are always safe to assume that it is not going to be replaced.
3503
3504 2009-03-28 Richard Guenther <rguenther@suse.de>
3505
3506 PR tree-optimization/38513
3507 * tree-ssa-pre.c (eliminate): Remove redundant stores.
3508 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3509 EXC_PTR_EXPR and FILTER_EXPR.
3510 (get_ref_from_reference_ops): Likewise.
3511
3512 2009-03-28 Richard Guenther <rguenther@suse.de>
3513
3514 PR tree-optimization/38968
3515 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3516 Use FLOOR_MOD_EXPR to compute misalignment.
3517
3518 2009-03-28 Richard Guenther <rguenther@suse.de>
3519
3520 PR tree-optimization/37795
3521 * tree.h (combine_comparisons): Declare.
3522 * fold-const.c (combine_comparisons): Export.
3523 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3524 comparisons.
3525 (ifcombine_iforif): Use combine_comparisons.
3526
3527 2009-03-28 Jan Hubicka <jh@suse.cz>
3528
3529 * tree-eh.c (inlinable_call_p): New function.
3530 (make_eh_edges): Use it.
3531 (verify_eh_edges): Use it.
3532 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3533 * except.c (reachable_next_level): Add inlinable_function argument
3534 (sjlj_find_directly_reachable_regions): Update.
3535 (add_reachable_handler): Do not set saw_any_handlers.
3536 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3537 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3538 Add new inlinable call parameter.
3539 (can_throw_internal, can_throw_external): Update.
3540 * except.h (can_throw_internal_1, can_throw_external_1,
3541 foreach_reachable_handler): Update declaration.
3542
3543 2009-03-28 Joseph Myers <joseph@codesourcery.com>
3544
3545 * config/arm/t-arm-coff, config/h8300/coff.h,
3546 config/i386/i386-aout.h, config/i386/i386-coff.h,
3547 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3548 config/pdp11/2bsd.h, config/rs6000/aix41.h,
3549 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3550 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3551 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3552 sys-types.h: Remove.
3553 * Makefile.in: Remove protoize and fixproto support and references
3554 in comments.
3555 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3556 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3557 Remove.
3558 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3559 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3560 unprotoize$(exeext).
3561 (rest.encap): Don't depend on $(STMP_FIXPROTO)
3562 (.PHONY): Don't depend on proto.
3563 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3564 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3565 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3566 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3567 build/gen-protos.o, build/scan.o, xsys-protos.h,
3568 build/fix-header$(build_exeext), build/fix-header.o,
3569 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3570 stmp-install-fixproto): Remove.
3571 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3572 SYSCALLS.c or fixproto files.
3573 (install-common): Don't install protoize.
3574 (install-headers-tar, install-headers-cpio, install-headers-cp):
3575 Don't depend on $(STMP_FIXPROTO).
3576 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
3577 install fixproto files or write out fixproto settings.
3578 (uninstall): Don't uninstall protoize.
3579 * config.gcc (use_fixproto): Remove.
3580 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3581 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3582 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3583 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3584 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3585 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3586 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3587 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3588 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3589 * config/t-vxworks (STMP_FIXPROTO): Remove.
3590 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3591 STMP_FIXPROTO): Remove.
3592 * config.in, configure: Regenerate.
3593 * crtstuff.c (gid_t, uid_t): Don't undefine.
3594 * doc/install.texi: Change m68k-coff to m68k-elf in example.
3595 (arm-*-coff, arm-*-aout: Remove target entries.
3596 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3597 Remove mention of AIX 4.1.
3598 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3599 * doc/invoke.texi (Running Protoize): Remove.
3600 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3601 (Protoize Caveats): Remove.
3602 * tsystem.h: Update comments on headers assumed to exist.
3603
3604 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
3605
3606 * genautomata.c: Add a new year to the copyright. Add a new
3607 reference.
3608 (struct insn_reserv_decl): Add comments for member bypass_list.
3609 (find_bypass): Remove.
3610 (insert_bypass): New.
3611 (process_decls): Use insert_bypass.
3612 (output_internal_insn_latency_func): Output all bypasses with the
3613 same input insn in one switch case.
3614
3615 * rtl.def (define_bypass): Describe bypass choice.
3616 * doc/md.texi (define_bypass): Ditto.
3617
3618 2009-03-27 Richard Guenther <rguenther@suse.de>
3619
3620 * gimplify.c (mark_addressable): Export.
3621 * tree-flow.h (mark_addressable): Declare.
3622 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3623 * tree-ssa.c (verify_phi_args): Verify that address taken
3624 variables have TREE_ADDRESSABLE set.
3625
3626 2009-03-27 Richard Guenther <rguenther@suse.de>
3627
3628 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3629 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
3630 Do not mark decls TREE_ADDRESSABLE.
3631 (build_fold_addr_expr): Adjust.
3632 (fold_addr_expr): Remove.
3633 (fold_unary): Use build_fold_addr_expr.
3634 (fold_comparison): Likewise.
3635 (split_address_to_core_and_offset): Likewise.
3636 * coverage.c (tree_coverage_counter_addr): Mark the array decl
3637 TREE_ADDRESSABLE.
3638 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3639 (gimplify_modify_expr_to_memcpy): Mark source and destination
3640 addressable.
3641 * omp-low.c (create_omp_child_function): Mark the object decl
3642 TREE_ADDRESSABLE.
3643 (lower_rec_input_clauses): Mark the var we take the address of
3644 TREE_ADDRESSABLE.
3645 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3646
3647 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3648
3649 PR middle-end/39315
3650 * cfgexpand.c (expand_one_stack_var_at): Change alignment
3651 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3652
3653 2009-03-27 Richard Guenther <rguenther@suse.de>
3654
3655 PR tree-optimization/39120
3656 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3657 constraints.
3658 (handle_lhs_call): Process return constraints. Add escape
3659 constraints if necessary.
3660 (handle_const_call): Fill out return constraints. Make nested
3661 case more precise. Avoid consttmp if possible.
3662 (handle_pure_call): Fill out return constraints. Avoid
3663 callused if possible.
3664 (find_func_aliases): Simplify call handling.
3665
3666 2009-03-27 Richard Guenther <rguenther@suse.de>
3667
3668 PR tree-optimization/39120
3669 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3670 as a representative.
3671 (solve_graph): Do propagate CALLUSED.
3672 (handle_pure_call): Use a scalar constraint from CALLUSED for
3673 the return value.
3674 (find_what_p_points_to): CALLUSED shall not appear in poins-to
3675 solutions.
3676
3677 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3678
3679 PR c/39323
3680 * c-common.c (handle_aligned_attribute): Properly check alignment
3681 overflow. Use (1U << i) instead of (1 << i).
3682
3683 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3684
3685 * expr.h (get_mem_align_offset): Updated.
3686
3687 * tree.h (tree_decl_common): Change align to "unsigned int" and
3688 move it before pointer_alias_set.
3689
3690 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3691 Jakub Jelinek <jakub@redhat.com>
3692
3693 PR target/38034
3694 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3695 gr_register_operand with gr_reg_or_0_operand.
3696 (cmpxchg_rel_di): Likewise.
3697 (sync_lock_test_and_set<mode>): Likewise.
3698
3699 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3700
3701 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3702 (true_regnum): Likewise.
3703
3704 * rtlanal.c (subreg_info): Moved to ...
3705 * rtl.h (subreg_info): Here. New.
3706 (subreg_get_info): New.
3707
3708 * rtlanal.c (subreg_get_info): Make it extern.
3709
3710 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3711
3712 PR target/39472
3713 * config/i386/i386.c (ix86_abi): New.
3714 (override_options): Handle -mabi=.
3715 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3716 (ix86_call_abi_override): Likewise.
3717 (init_cumulative_args): Likewise.
3718 (function_arg_advance): Likewise.
3719 (function_arg_64): Likewise.
3720 (function_arg): Likewise.
3721 (ix86_pass_by_reference): Likewise.
3722 (ix86_function_value_regno_p): Likewise.
3723 (ix86_build_builtin_va_list_abi): Likewise.
3724 (setup_incoming_varargs_64): Likewise.
3725 (is_va_list_char_pointer): Likewise.
3726 (ix86_init_machine_status): Likewise.
3727 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3728 (ix86_function_type_abi): Return enum calling_abi. Rewrite
3729 for 64bit. Replace DEFAULT_ABI with ix86_abi.
3730 (ix86_function_abi): Make it static and return enum calling_abi.
3731 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
3732 with ix86_abi.
3733 (ix86_fn_abi_va_list): Updated.
3734
3735 * config/i386/i386.h (ix86_abi): New.
3736 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3737 (CONDITIONAL_REGISTER_USAGE): Likewise.
3738 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3739 (machine_function): Likewise.
3740
3741 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3742 with ix86_abi.
3743 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3744 (STACK_BOUNDARY): Likewise.
3745 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3746
3747 * config/i386/i386.opt (mabi=): New.
3748
3749 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
3750 return enum calling_abi.
3751 (ix86_function_type_abi): Likewise.
3752 (ix86_function_abi): Removed.
3753
3754 * doc/invoke.texi: Document -mabi= option for x86.
3755
3756 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3757
3758 * builtins.c (real_dconstp): Delete.
3759 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
3760
3761 2009-03-27 Dodji Seketeli <dodji@redhat.com>
3762 Jakub Jelinek <jakub@redhat.com>
3763
3764 PR debug/37959
3765 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
3766 (gen_subprogram_die): When a function is explicit, generate the
3767 DW_AT_explicit attribute.
3768 * langhooks.h (struct lang_hooks_for_decls): Add
3769 function_decl_explicit_p langhook.
3770 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
3771 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
3772
3773 2009-03-27 Jakub Jelinek <jakub@redhat.com>
3774
3775 * builtins.c (fold_builtin_memory_op): Optimize memmove
3776 into memcpy if we can prove source and destination don't overlap.
3777
3778 * tree-inline.c: Include gt-tree-inline.h.
3779 (clone_fn_id_num): New variable.
3780 (clone_function_name): New function.
3781 (tree_function_versioning): Use it.
3782 * Makefile.in (GTFILES): Add tree-inline.c.
3783
3784 2009-03-27 Mark Mitchell <mark@codesourcery.com>
3785
3786 * BASE-VER: Change to 4.5.0.
3787
3788 2009-03-27 Xinliang David Li <davidxl@google.com>
3789
3790 PR tree-optimization/39557
3791 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
3792
3793 2009-03-27 Xinliang David Li <davidxl@google.com>
3794
3795 PR tree-optimization/39548
3796 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
3797 candidate check.
3798
3799 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3800
3801 * c-common.c (pointer_int_sum): Use %wd on return from
3802 tree_low_cst.
3803
3804 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3805
3806 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
3807 on return from tree_low_cst.
3808
3809 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
3810
3811 PR c++/36799
3812 * ginclude/stdarg.h (va_copy): Define also for
3813 __GXX_EXPERIMENTAL_CXX0X__.
3814
3815 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3816
3817 PR c++/35652
3818 * builtins.h (c_strlen): Do not warn here.
3819 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3820 * c-common.c (pointer_int_sum): Take an explicit location.
3821 Warn about offsets out of bounds.
3822 * c-common.h (pointer_int_sum): Adjust declaration.
3823
3824 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3825
3826 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
3827 markup glitch.
3828
3829 2009-03-26 Jakub Jelinek <jakub@redhat.com>
3830
3831 PR c++/39554
3832 * opts.c (warn_if_disallowed_function_p): Don't assume
3833 get_callee_fndecl must return non-NULL.
3834
3835 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
3836
3837 PR rtl-optimization/39522
3838 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
3839 when reg_reloaded_valid is set.
3840
3841 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3842
3843 * config/spu/divv2df3.c: New file.
3844 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
3845 (DPBIT_FUNCS): Filter out _div_df.
3846
3847 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
3848
3849 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
3850 a jump insn, count that jump in the distance to the loop start.
3851
3852 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
3853
3854 PR target/39523
3855 * config/sh/sh.c (calc_live_regs): Fix condition for global
3856 registers except PIC_OFFSET_TABLE_REGNUM.
3857
3858 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
3859
3860 PR/39518
3861 * doc/invoke.texi (-mconsole): New.
3862 (-mcygwin): New.
3863 (-mno-cygwin): New.
3864 (-mdll): New.
3865 (-mnop-fun-dllimport): New.
3866 (-mthread): New.
3867 (-mwin32): New.
3868 (-mwindows): New.
3869 (sub section "i386 and x86-64 Windows Options"): New.
3870
3871 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
3872
3873 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
3874 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
3875
3876 2009-03-25 Richard Guenther <rguenther@suse.de>
3877
3878 PR middle-end/39497
3879 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
3880 of -Wno-error.
3881
3882 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
3883
3884 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
3885 neither of haifa/selective schedulers are working.
3886
3887 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3888
3889 * doc/invoke.texi (Debugging Options): Fix description of
3890 -fno-merge-debug-strings.
3891
3892 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
3893
3894 * config/cris/libgcc.ver: New version-script.
3895 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
3896
3897 * configure.ac <GAS features, nop mnemonic>: Add pattern
3898 crisv32-*-* for "nop".
3899 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
3900 * configure: Regenerate.
3901
3902 2009-03-24 Ira Rosen <irar@il.ibm.com>
3903
3904 PR tree-optimization/39529
3905 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
3906 mark_sym_for_renaming for the tag copied to the new vector
3907 pointer.
3908
3909 2009-03-24 Arthur Loiret <aloiret@debian.org>
3910
3911 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
3912 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
3913 EXTRA_SPEC_FUNCTIONS.
3914 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
3915 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
3916 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
3917 -march and -mtune options.
3918
3919 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
3920
3921 * config/m68k/t-rtems: Add m5329 multilib.
3922
3923 2009-03-24 Dodji Seketeli <dodji@redhat.com>
3924 Jakub Jelinek <jakub@redhat.com>
3925
3926 PR debug/39524
3927 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
3928 nodes.
3929
3930 2009-03-23 Jakub Jelinek <jakub@redhat.com>
3931
3932 PR c/39495
3933 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
3934 instead of c_parser_expression_conv, if original_code isn't one of the
3935 4 allowed comparison codes, fail.
3936
3937 2009-03-23 Richard Guenther <rguenther@suse.de>
3938
3939 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
3940 * tree.h (struct tree_type): Likewise.
3941 * reload.h (struct insn_chain): Likewise.
3942 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
3943 * function.h (struct function): Likewise.
3944 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
3945
3946 2009-03-23 Jakub Jelinek <jakub@redhat.com>
3947
3948 PR tree-optimization/39516
3949 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
3950
3951 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
3952
3953 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
3954 should be set true if BITS_PER_WORD of target is bigger than 32
3955
3956 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
3957
3958 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
3959 Translate -B-options to -rpath-link. Correct existing
3960 rpath-link and conditionalize on !nostdlib.
3961
3962 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3963
3964 * doc/extend.texi (Function Attributes, Variable Attributes):
3965 Fix typos.
3966 * doc/invoke.texi (Debugging Options, Optimize Options)
3967 (i386 and x86-64 Options, MCore Options): Likewise.
3968
3969 2009-03-20 Jakub Jelinek <jakub@redhat.com>
3970
3971 PR debug/37890
3972 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
3973 it for block local namespace aliases.
3974 (gen_decl_die): Pass context_die to gen_namespace_die.
3975
3976 2009-03-19 Jakub Jelinek <jakub@redhat.com>
3977
3978 PR c/39495
3979 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
3980 minimum or maximum value.
3981
3982 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
3983
3984 * reginfo.c (globalize_reg): Recompute derived reg sets.
3985
3986 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
3987
3988 PR target/39063
3989 * libgcc2.c (mprotect): Do not use signed arguments for
3990 VirtualProtect, use DWORD arguments. Also fix the 'may
3991 be used uninitialized' warning for the np variable.
3992
3993 2009-03-19 Jakub Jelinek <jakub@redhat.com>
3994
3995 PR target/39496
3996 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
3997 functions using regparm calling conventions when not optimizing.
3998 (ix86_function_sseregparm): Similarly for sseregparm calling
3999 conventions.
4000
4001 2009-03-19 Li Feng <nemokingdom@gmail.com>
4002
4003 PR middle-end/39500
4004 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
4005 dependence if the first conflict is after niter iterations.
4006
4007 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
4008
4009 PR middle-end/38609
4010 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
4011 functions with dynamic stack-pointer adjustments.
4012
4013 2009-03-19 Ben Elliston <bje@au.ibm.com>
4014
4015 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
4016 option; change to -msdata=data.
4017
4018 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4019
4020 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
4021 and -fopenmp.
4022
4023 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
4024
4025 PR target/35180
4026 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
4027
4028 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
4029
4030 * doc/invoke.texi (Code Gen Options): Expand discussion of
4031 -fno-common.
4032
4033 2009-03-18 Jakub Jelinek <jakub@redhat.com>
4034
4035 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
4036 * matrix-reorg.c (struct matrix_info): Likewise.
4037 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
4038 * rtl.h (struct mem_attrs): Likewise.
4039 * df.h (struct df): Likewise.
4040 * tree-data-ref.h (struct data_dependence_relation): Likewise.
4041 * ira-int.h (struct ira_allocno): Likewise.
4042 * df-scan.c (struct df_collection_rec): Likewise.
4043 * ira.c (struct equivalence): Likewise.
4044 * function.c (struct temp_slot): Likewise.
4045 * cfgloop.h (struct loop): Likewise.
4046
4047 PR debug/39485
4048 * function.c (use_register_for_decl): When not optimizing, disregard
4049 register keyword for variables with types containing methods.
4050
4051 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
4052
4053 PR middle-end/39447
4054 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
4055 (is_simple_operand): Call contains_component_ref_p before calling data
4056 reference analysis that would fail on COMPONENT_REFs.
4057
4058 * tree-vrp.c (search_for_addr_array): Fix formatting.
4059
4060 2009-03-18 Richard Guenther <rguenther@suse.de>
4061
4062 * tree-vect-transform.c (vect_loop_versioning): Fold the
4063 generated comparisons.
4064 * tree-vectorizer.c (set_prologue_iterations): Likewise.
4065 (slpeel_tree_peel_loop_to_edge): Likewise.
4066
4067 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4068
4069 PR middle-end/37805
4070 * opts.c (print_specific_help): In addition to `undocumented',
4071 accept `separate' and `joined' flags if passed alone. Describe
4072 output by the first matched one of those.
4073 (common_handle_option): Skip over empty strings.
4074 * gcc.c (display_help): Fix help string for `--help='.
4075 * doc/invoke.texi (Option Summary, Overall Options): With
4076 `--help=', classes and qualifiers can both be repeated, but
4077 only the latter can be negated. One should not pass only
4078 negated qualifiers. Fix markup and examples.
4079
4080 Revert
4081 2008-10-14 Jakub Jelinek <jakub@redhat.com>
4082 PR middle-end/37805
4083 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
4084 and -fhelp=separate.
4085
4086 2009-03-17 Jing Yu <jingyu@google.com>
4087
4088 PR middle-end/39378
4089 * function.h (struct rtl_data): Move is_thunk from here...
4090 (struct function): ...to here.
4091 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
4092 * varasm.c (assemble_start_function): Change is_thunk from crtl to
4093 cfun.
4094 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
4095 cfun.
4096 (alpha_does_function_need_gp, alpha_start_function): Likewise.
4097 (alpha_output_function_end_prologue): Likewise.
4098 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
4099 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
4100 (rs6000_output_function_epilogue): Likewise.
4101 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4102
4103 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
4104
4105 PR target/39482
4106 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
4107 from different units in a single alternative.
4108 (*truncdfsf_i387): Ditto.
4109 (*truncxfsf2_mixed): Ditto.
4110 (*truncxfdf2_mixed): Ditto.
4111
4112 2009-03-17 Jakub Jelinek <jakub@redhat.com>
4113
4114 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
4115 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
4116
4117 PR debug/39474
4118 * tree-ssa-live.c (remove_unused_locals): Don't remove local
4119 unused non-artificial variables when not optimizing.
4120
4121 PR debug/39471
4122 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
4123 DW_TAG_imported_module even if decl is IMPORTED_DECL with
4124 NAMESPACE_DECL in its DECL_INITIAL.
4125
4126 PR middle-end/39443
4127 * optabs.c (set_user_assembler_libfunc): New function.
4128 * expr.h (set_user_assembler_libfunc): New prototype.
4129 * c-common.c: Include libfuncs.h.
4130 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
4131 for memcmp, memset, memcpy, memmove and abort.
4132 * Makefile.in (c-common.o): Depend on libfuncs.h.
4133
4134 PR debug/39412
4135 * dwarf2out.c (gen_inlined_enumeration_type_die,
4136 gen_inlined_structure_type_die, gen_inlined_union_type_die,
4137 gen_tagged_type_instantiation_die): Removed.
4138 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
4139 do nothing.
4140
4141 2009-03-17 Janis Johnson <janis187@us.ibm.com>
4142
4143 PR testsuite/38526
4144 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
4145 its use.
4146 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
4147 (check-parallel-%): Ditto.
4148 (check-consistency): Ditto.
4149
4150 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
4151
4152 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
4153 local variable rhs by NULL_TREE.
4154
4155 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4156
4157 PR target/39477
4158 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
4159
4160 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4161
4162 PR target/39476
4163 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
4164
4165 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4166
4167 PR target/39473
4168 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
4169 for ms->sysv ABI calls only in 64bit mode.
4170
4171 * config/i386/i386.md (untyped_call): Support 32bit.
4172
4173 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
4174
4175 * doc/extend.texi: Replace x86_65 with x86_64.
4176
4177 2009-03-16 Jakub Jelinek <jakub@redhat.com>
4178
4179 PR tree-optimization/39455
4180 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
4181 mismatches for POINTER_TYPE_P (type).
4182 (number_of_iterations_le): Likewise.
4183
4184 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4185
4186 * config/picochip/picochip.c: Removed profiling support.
4187 * config/picochip/picochip.md: Removed profiling instruction.
4188 * config/picochip/picochip.h: Removed profiling builtin.
4189
4190 2009-03-16 Joseph Myers <joseph@codesourcery.com>
4191
4192 * doc/install.texi (--with-host-libstdcxx): Document.
4193
4194 2009-03-14 Anatoly Sokolov <aesok@post.ru>
4195
4196 PR target/34299
4197 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
4198 generate a warning if the function name does not begin with
4199 "__vector" and the function has either the 'signal' or 'interrupt'
4200 attribute, from here to ...
4201 (avr_declare_function_name): ...here. New function.
4202 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
4203 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
4204
4205 2009-03-14 Jakub Jelinek <jakub@redhat.com>
4206
4207 PR bootstrap/39454
4208 * cse.c (fold_rtx): Don't modify original const_arg1 when
4209 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
4210 separate variable instead.
4211 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
4212 from out of range shift counts.
4213 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
4214
4215 2008-03-13 Catherine Moore <clm@codesourcery.com>
4216
4217 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
4218 diagnostic.h with $(DIAGNOSTIC_H).
4219
4220 2008-03-12 Jakub Jelinek <jakub@redhat.com>
4221
4222 PR target/39431
4223 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
4224 predicate.
4225 * config/i386/sync.md (sync_compare_and_swap<mode>,
4226 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4227 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4228 into a register.
4229 (sync_double_compare_and_swapdi_pic,
4230 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4231 cmpxchg8b_pic_memory_operand instead of just memory_operand.
4232
4233 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4234
4235 PR target/39445
4236 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4237
4238 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4239
4240 PR target/39327
4241 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4242 (avx_addsubv4df3): Likewise.
4243 (*avx_addsubv4sf3): Likewise.
4244 (sse3_addsubv4sf3): Likewise.
4245
4246 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4247
4248 PR target/38824
4249 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4250
4251 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
4252
4253 PR debug/39432
4254 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4255 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4256 registers for allocnos created from user-defined variables.
4257
4258 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4259
4260 PR target/39181
4261 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4262 of non-integer mode as well.
4263
4264 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
4265
4266 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4267 for functions for which the parameter types are unknown.
4268
4269 2009-03-11 Jakub Jelinek <jakub@redhat.com>
4270
4271 PR target/39137
4272 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4273 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4274 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4275 * config/i386/i386.c (ix86_local_alignment): For
4276 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4277 long long variables on the stack to avoid dynamic realignment.
4278 Allow the first argument to be a decl rather than type.
4279 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4280
4281 2009-03-11 Nick Clifton <nickc@redhat.com>
4282
4283 PR target/5362
4284 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4285 options.
4286 Add description to mno-lsim option.
4287 * config/mcore/mcore.h: Remove comment about deprecated m4align
4288 option.
4289 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4290 * doc/invoke.texi: Add description of mno-lsim and
4291 mstack-increment options.
4292
4293 * config/fr30/fr30.opt: Document the -mno-lsim option.
4294 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4295 and -mno-lsim options.
4296
4297 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4298
4299 * fold-const.c (fold_comparison): Only call fold_inf_compare
4300 if the mode supports infinities.
4301
4302 2009-03-11 Jason Merrill <jason@redhat.com>
4303
4304 PR debug/39086
4305 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4306 end already did. Notice GIMPLE_CALL modifications of the result.
4307 Don't copy debug information from an ignored decl or a decl from
4308 another function.
4309
4310 2009-03-10 Richard Guenther <rguenther@suse.de>
4311 Nathan Froyd <froydnj@codesourcery.com>
4312
4313 PR middle-end/37850
4314 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4315 (__divMODE3): Likewise.
4316
4317 2009-03-09 Jakub Jelinek <jakub@redhat.com>
4318
4319 PR tree-optimization/39394
4320 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4321 DECL_SIZE_UNIT of variable length FIELD_DECLs.
4322
4323 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4324
4325 * recog.c (verfiy_changes): Disallow renaming of hard regs in
4326 inline asms for register asm ("") declarations.
4327
4328 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
4329
4330 * fold-const.c (fold_unary): Fix comment.
4331
4332 2009-03-07 Jan Hubicka <jh@suse.cz>
4333
4334 PR target/39361
4335 * tree-inline.c (setup_one_parameter): Do replacement of const
4336 argument by constant in SSA form.
4337
4338 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4339
4340 PR middle-end/38028
4341 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4342 determine alignment passed to assign_stack_local.
4343 (assign_parms_unsplit_complex): Likewise.
4344 * except.c (sjlj_build_landing_pads): Likewise.
4345
4346 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4347
4348 PR middle-end/39360
4349 * tree-flow.h (add_referenced_var): Return bool instead of void.
4350 * tree-dfa.c (add_referenced_var): Return result of
4351 referenced_var_check_and_insert call.
4352 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4353 of referenced_var_check_and_insert.
4354
4355 PR debug/39372
4356 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4357 (gen_variable_die): Emit DW_AT_location on abstract static variable's
4358 DIE, don't emit it if abstract origin already has it.
4359 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4360 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4361
4362 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4363
4364 * genpreds.c (needs_variable): Fix parentheses at variable name
4365 detection.
4366 (write_tm_constrs_h): Indent generated code.
4367
4368 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4369
4370 * doc/extend.texi (Function Attributes): Add documentation
4371 for isr attributes.
4372
4373 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4374
4375 PR debug/39387
4376 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4377 take locus from its DECL_SOURCE_LOCATION instead of input_location.
4378
4379 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
4380
4381 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4382 the loop as bad.
4383
4384 2009-03-05 Jakub Jelinek <jakub@redhat.com>
4385
4386 PR debug/39379
4387 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4388 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4389
4390 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
4391
4392 * config/i386/i386.md (R8_REG, R9_REG): New constants.
4393 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4394 constants instead of magic numbers.
4395 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4396 (QI_REG_P): Ditto.
4397 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4398 (x86_64_ms_abi_int_parameter_registers): Ditto.
4399 (x86_64_int_return_registers): Ditto.
4400 (ix86_maybe_switch_abi): Ditto.
4401 (ix86_expand_call): Ditto for clobbered_registers array.
4402 (ix86_hard_regno_mode_ok): Ditto.
4403 (x86_extended_QIreg_mentioned_p): Ditto.
4404
4405 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
4406
4407 PR tree-optimization/39349
4408 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4409
4410 * combine.c (gen_lowpart_for_combine): Use omode when generating
4411 clobber.
4412
4413 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
4414
4415 PR rtl-optimization/39235
4416 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4417
4418 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4419
4420 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4421
4422 2009-03-04 Richard Guenther <rguenther@suse.de>
4423
4424 PR tree-optimization/39362
4425 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4426 that occur in abnormal PHIs should be varying.
4427
4428 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4429
4430 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4431 Extend comments.
4432 (simple_iv): Take loop as an argument instead of statement.
4433 * tree-scalar-evolution.h (simple_iv): Declaration changed.
4434 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4435 to simple_iv.
4436 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4437 Ditto.
4438 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4439 * matrix-reorg.c (analyze_transpose): Ditto.
4440 * tree-data-ref.c (dr_analyze_innermost): Ditto.
4441 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4442 * tree-predcom.c (ref_at_iteration): Ditto.
4443 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4444
4445 2009-03-04 Richard Guenther <rguenther@suse.de>
4446
4447 PR tree-optimization/39358
4448 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4449 escaped_id and callused_id.
4450 (solve_graph): Likewise.
4451
4452 2009-03-04 Richard Guenther <rguenther@suse.de>
4453
4454 PR tree-optimization/39339
4455 * tree-sra.c (try_instantiate_multiple_fields): Make it
4456 no longer ICE on the above.
4457
4458 2009-03-03 Joseph Myers <joseph@codesourcery.com>
4459
4460 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4461 that fits within Pmode.
4462
4463 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4464
4465 PR middle-end/10109
4466 * tm.texi (LIBCALL_VALUE): Update description.
4467
4468 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4469
4470 PR middle-end/34443
4471 * doc/extend.texi (section): Update description.
4472
4473 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
4474
4475 PR middle-end/39345
4476 * tree-inline.c (remapped_type): New.
4477 (can_be_nonlocal): Call remapped_type instead of remap_type.
4478
4479 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4480
4481 PR fortran/39354
4482 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4483 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4484
4485 2009-03-03 Richard Guenther <rguenther@suse.de>
4486
4487 PR middle-end/39272
4488 * tree.c (tree_nonartificial_location): New function.
4489 * tree.h (tree_nonartificial_location): Declare.
4490 * builtins.c (expand_builtin_memory_chk): Provide location
4491 of the call location for artificial function pieces.
4492 (maybe_emit_chk_warning): Likewise.
4493 (maybe_emit_sprintf_chk_warning): Likewise.
4494 (maybe_emit_free_warning): Likewise.
4495 * expr.c (expand_expr_real_1): Likewise.
4496
4497 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4498
4499 PR tree-optimization/39343
4500 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4501 COMPONENT_REF t has ARRAY_TYPE.
4502
4503 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
4504
4505 PR middle-end/39335
4506 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4507 when the type precision of the induction variable should be
4508 larger than the type precision of nit.
4509 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4510 * graphite.c (graphite_loop_normal_form): Same.
4511 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4512
4513 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4514
4515 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4516 (*call_1_rex64_ms_sysv): Use named constants instead of magic
4517 numbers to describe clobbered registers.
4518 (*call_value_0_rex64_ms_sysv): Ditto.
4519 * config/i386/mmx.md (mmx_emms): Ditto.
4520 (mmx_femms): Ditto.
4521
4522 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
4523
4524 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4525 of ABI_64.
4526
4527 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4528
4529 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4530 (spu_section_type_flags): New function.
4531
4532 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4533
4534 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4535 reg_class_contents of FLOAT_REGS into a temporary.
4536
4537 2009-03-02 Richard Guenther <rguenther@suse.de>
4538 Ira Rosen <irar@il.ibm.com>
4539
4540 PR tree-optimization/39318
4541 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4542 information to the vectorized statement.
4543
4544 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
4545
4546 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4547 variable. Use defined names instead of magic constants for REX SSE
4548 registers.
4549
4550 2009-03-01 Richard Guenther <rguenther@suse.de>
4551
4552 PR tree-optimization/39331
4553 * omp-low.c (lower_send_shared_vars): Do not receive new
4554 values for the reference of DECL_BY_REFERENCE parms or results.
4555
4556 2009-03-01 Jan Hubicka <jh@suse.cz>
4557
4558 PR debug/39267
4559 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4560 BLOCK_NONLOCALIZED_VAR): New macros.
4561 (tree_block): Add nonlocalized_vars.
4562 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4563 gen_decl_die): Add origin argument. Allow generation of die with
4564 origin at hand only.
4565 (gen_member_die, gen_type_die_with_usage, force_decl_die,
4566 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4567 of gen_*.
4568 (gen_block_die): Fix checking for unused blocks.
4569 (process_scope_var): Break out from .... ; work with origins only.
4570 (decls_for_scope) ... here; process nonlocalized list.
4571 (dwarf2out_ignore_block): Look for nonlocalized vars.
4572 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4573 vars.
4574 (dump_scope_block): Dump them.
4575 * tree-inline.c (remap_decls): Handle nonlocalized vars.
4576 (remap_block): Likewise.
4577 (can_be_nonlocal): New predicate.
4578 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4579
4580 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4581
4582 * configure: Regenerate.
4583
4584 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4585
4586 * optc-gen.awk: No need to duplicate option flags twice.
4587 Reuse help texts for duplicate options which do not have any.
4588
4589 * gcc.c (display_help): Document --version.
4590
4591 * gcc.c (main): If print_help_list and verbose_flag, ensure
4592 driver output comes before subprocess output.
4593
4594 * optc-gen.awk: Assign all remaining fields to help string,
4595 space-separated, for multi-line help in *.opt.
4596
4597 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4598 -Wno-pedantic-ms-format is for MinGW targets only.
4599
4600 * doc/options.texi (Option file format): Fix bad indentation,
4601 restoring dropped sentence.
4602
4603 2009-02-28 Jan Hubicka <jh@suse.cz>
4604
4605 * tree-inline.c (tree_function_versioning): Output debug info.
4606
4607 2009-02-28 Jan Hubicka <jh@suse.cz>
4608
4609 PR debug/39267
4610 * tree-inline.c (setup_one_parameter): Do not copy propagate
4611 arguments when not optimizing.
4612
4613 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
4614
4615 PR target/39327
4616 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4617 (avx_addsubv4df3): Likewise.
4618 (*avx_addsubv4sf3): Likewise.
4619 (sse3_addsubv4sf3): Likewise.
4620 (*avx_addsubv2df3): Likewise.
4621 (sse3_addsubv2df3): Likewise.
4622 (avx_unpckhps256): Correct item selectors.
4623 (avx_unpcklps256): Likewise.
4624 (avx_unpckhpd256): Likewise.
4625 (avx_unpcklpd256): Likewise.
4626
4627 2009-02-28 Jan Hubicka <jh@suse.cz>
4628
4629 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4630 static vars.
4631 (copy_arguments_for_versioning): If var is declared don't declare it.
4632 (tree_function_versioning): First setup substitutions and then copy
4633 args.
4634
4635 2009-02-27 Jan Hubicka <jh@suse.cz>
4636
4637 PR debug/39267
4638 * cgraph.h (varpool_output_debug_info): Remove.
4639 * cgraphunit.c (varpool_output_debug_info): Remove.
4640 * dwarf2out.c (deferred_locations_struct): New struct
4641 (deferred_locations): New type.
4642 (deferred_locations_list): New static var.
4643 (deffer_location): New function.
4644 (gen_variable_die): Use it.
4645 (decls_for_scope): Output info on local static vars.
4646 (dwarf2out_finish): Process deferred locations.
4647 * varpool.c (varpool_output_debug_info): Remove.
4648
4649 2009-02-27 Jan Hubicka <jh@suse.cz>
4650
4651 PR debug/39267
4652 * tree.h (TREE_PROTECTED): Fix comment.
4653 (BLOCK_HANDLER_BLOCK): Remove.
4654 (struct tree_block): Remove handler_block add body_block.
4655 (inlined_function_outer_scope_p): New.
4656 (is_body_block): Remove.
4657 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4658 * dwarf2out.c (is_inlined_entry_point): Remove.
4659 (add_high_low_attributes): Use inlined_function_outer_scope_p.
4660 (gen_block_die): Use is_inlined_entry_point check. Remove body block
4661 code.
4662 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4663 * gimplify.c (gimplify_expr): Gimplify body blocks.
4664 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4665 block with multiple subblocks.
4666 (dump_scope_block): Prettier output; dump more flags and info.
4667 (dump_scope_blocks): New.
4668 (remove_unused_locals): Use dump_scope_blocks.
4669 * tree-flow.h (dump_scope_blocks): Declare.
4670 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4671 * stmt.c (is_body_block): Remove.
4672 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4673 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4674
4675 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
4676
4677 PR middle-end/39308
4678 * graphite.c (graphite_loop_normal_form): Do not call
4679 number_of_iterations_exit from a gcc_assert.
4680
4681 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4682
4683 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4684 jumps if COND is NULL.
4685 (find_cond_jump): New function.
4686 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4687 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4688
4689 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
4690
4691 * config/alpha/alpha.h (alpha_expand_mov): Return false if
4692 force_const_mem returns NULL_RTX.
4693
4694 2009-02-26 Jan Hubicka <jh@suse.cz>
4695
4696 PR debug/39267
4697 * cgraph.h (varpool_output_debug_info): Remove.
4698 * cgraphunit.c (varpool_output_debug_info): Remove.
4699 * dwarf2out.c (deferred_locations_struct): New struct
4700 (deferred_locations): New type.
4701 (deferred_locations_list): New static var.
4702 (deffer_location): New function.
4703 (gen_variable_die): Use it.
4704 (decls_for_scope): Output info on local static vars.
4705 (dwarf2out_finish): Process deferred locations.
4706 * varpool.c (varpool_output_debug_info): Remove.
4707
4708 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
4709
4710 PR rtl-optimization/39241
4711 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4712 to subreg_offset_representable_p.
4713
4714 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4715
4716 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4717 execute function prototype. Get f and nregs from max_reg_num
4718 and get_insns. Remove the first backward pass as it's dead,
4719 guard the forward pass by flag_expensive_optimizations.
4720 (rest_of_handle_regmove): Delete.
4721 (pass_regmove): Replace it with regmove_optimize.
4722
4723 2009-02-25 Martin Jambor <mjambor@suse.cz>
4724
4725 PR tree-optimization/39259
4726 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
4727 calls_alloca function flags.
4728 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4729 calls are detected.
4730
4731 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4732
4733 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4734 flags_set_1_rtx, flags_set_1_set): Delete.
4735 (regmove_optimize): Do not call mark_flags_life_zones.
4736
4737 2009-02-24 Julian Brown <julian@codesourcery.com>
4738
4739 PR target/35965
4740 * config/arm/arm.c (require_pic_register): Only set
4741 cfun->machine->pic_reg once per function.
4742
4743 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
4744
4745 * doc/invoke.texi (Link Options): Document an easier way to pass
4746 options that take arguments to the GNU linker using -Xlinker and -Wl.
4747
4748 2009-02-24 Steve Ellcey <sje@cup.hp.com>
4749
4750 PR target/33785
4751 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
4752
4753 2009-02-24 Richard Guenther <rguenther@suse.de>
4754
4755 PR debug/39285
4756 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
4757
4758 2009-02-24 Richard Guenther <rguenther@suse.de>
4759 Zdenek Dvorak <ook@ucw.cz>
4760
4761 PR tree-optimization/39233
4762 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
4763 from converting them to a generic type.
4764
4765 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
4766
4767 PR tree-optimization/39260
4768 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
4769 contains a condition with a real type.
4770 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
4771
4772 2009-02-23 Jason Merrill <jason@redhat.com>
4773
4774 PR c++/38880
4775 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
4776 narrowing_initializer_constant_valid_p.
4777 (narrowing_initializer_constant_valid_p): Don't return
4778 null_pointer_node for adding a pointer to itself.
4779
4780 2009-02-23 Jan Hubicka <jh@suse.cz>
4781
4782 PR c/12245
4783 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
4784 resizing.
4785
4786 2009-02-23 Jan Hubicka <jh@suse.cz>
4787
4788 PR tree-optimization/37709
4789 * tree.c (block_ultimate_origin): Move here from dwarf2out.
4790 * tree.h (block_ultimate_origin): Declare.
4791 * dwarf2out.c (block_ultimate_origin): Move to tree.c
4792 * tree-ssa-live.c (remove_unused_scope_block_p):
4793 Eliminate blocks containig no instructions nor live variables nor
4794 nested blocks.
4795 (dump_scope_block): New function.
4796 (remove_unused_locals): Enable removal of dead blocks by default;
4797 enable dumping at TDF_DETAILS.
4798
4799 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4800
4801 * config/i386/i386.c (classify_argument): Don't allow COImode
4802 and OImode.
4803 (function_arg_advance_32): Don't allow OImode.
4804 (function_arg_32): Likewise.
4805 (function_value_32): Likewise.
4806 (return_in_memory_32): Likewise.
4807 (function_arg_64): Remove OImode comment.
4808
4809 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4810
4811 PR target/39261
4812 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
4813 ix86_expand_vector_set for V4DImode in 64bit mode only.
4814 (ix86_expand_vector_init_one_var): Likewise.
4815
4816 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
4817
4818 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
4819
4820 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4821
4822 PR bootstrap/39257
4823 * loop-iv.c: Revert last change.
4824 * emit-rtl.c: Likewise.
4825
4826 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4827
4828 PR target/39256
4829 * config/i386/i386.c (type_natural_mode): Remove an extra
4830 space in the warning message.
4831 (function_value_32): Handle 32-byte vector modes.
4832 (return_in_memory_32): Likewise.
4833
4834 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4835
4836 * loop-iv.c (truncate_value): New function.
4837 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
4838 of lowpart_subreg.
4839 (lowpart_subreg): Move to...
4840 * emit-rtl.c: ...here.
4841
4842 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
4843
4844 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
4845 accidental and undocumented change at revision 140860.
4846
4847 2009-02-21 Joseph Myers <joseph@codesourcery.com>
4848
4849 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
4850 take gimple_seq * arguments.
4851 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
4852 types_compatible_p langhook.
4853
4854 2009-02-20 Mark Mitchell <mark@codesourcery.com>
4855 Joseph Myers <joseph@codesourcery.com>
4856
4857 * config/arm/arm.c (arm_builtin_va_list): New function.
4858 (arm_expand_builtin_va_start): Likewise.
4859 (arm_gimplify_va_arg_expr): Likewise.
4860 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
4861 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
4862 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
4863 (va_list_type): New variable.
4864 (arm_mangle_type): Mangle va_list_type appropriately.
4865
4866 2009-02-20 Jakub Jelinek <jakub@redhat.com>
4867
4868 PR middle-end/39157
4869 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
4870 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
4871 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
4872 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
4873 parameter to 1000 for -O1 by default.
4874 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
4875 parameter.
4876 * loop-invariant.c: Include params.h.
4877 (move_loop_invariants): Don't call move_single_loop_invariants on
4878 very large loops.
4879
4880 2009-02-20 Jaka Mocnik <jaka@xlab.si>
4881
4882 * calls.c (emit_library_call_value_1): Use slot_offset instead of
4883 offset when calculating bounds for indexing stack_usage_map. Fixes
4884 a buffer overflow with certain target setups.
4885
4886 2009-02-20 Jakub Jelinek <jakub@redhat.com>
4887
4888 PR target/39240
4889 * calls.c (expand_call): Clear try_tail_call if caller and callee
4890 disagree in promotion of function return value.
4891
4892 2009-02-19 Jakub Jelinek <jakub@redhat.com>
4893
4894 PR target/39175
4895 * c-common.c (c_determine_visibility): If visibility changed and
4896 DECL_RTL has been already set, call make_decl_rtl to update symbol
4897 flags.
4898
4899 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
4900
4901 PR c++/39188
4902 * varasm.c (assemble_variable): Don't check DECL_NAME when
4903 globalizing a variable.
4904
4905 2009-02-19 Joseph Myers <joseph@codesourcery.com>
4906
4907 PR c/38483
4908 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
4909 expression before any __builtin_trap call.
4910 * c-typeck.c (build_function_call): Convert and check function
4911 arguments before generating a call to a trap. Evaluate the
4912 function arguments before the trap.
4913
4914 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
4915
4916 PR target/39228
4917 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
4918 (UNSPEC_FXAM_MEM): New unspec.
4919 (fxam<mode>2_i387_with_temp): New insn and split pattern.
4920 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
4921 memory using fxam<mode>2_i387_with_temp to remove excess precision.
4922
4923 2009-02-19 Richard Guenther <rguenther@suse.de>
4924
4925 PR tree-optimization/39207
4926 PR tree-optimization/39074
4927 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
4928 storedanything_tree): New.
4929 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
4930 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
4931 (build_succ_graph): Add edges from STOREDANYTHING to all
4932 non-direct nodes.
4933 (init_base_vars): Initialize STOREDANYTHING.
4934 (compute_points_to_sets): Free substitution info after
4935 building the succ graph.
4936 (ipa_pta_execute): Likewise.
4937
4938 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
4939 field.
4940 (do_ds_constraint): Do not add to special var or non-pointer
4941 field solutions.
4942 (type_could_have_pointers): Split out from ...
4943 (could_have_pointers): ... here. For arrays use the element type.
4944 (create_variable_info_for): Initialize may_have_pointers.
4945 (new_var_info): Likewise.
4946 (handle_lhs_call): Make the HEAP variable unknown-sized.
4947 (intra_create_variable_infos): Use a type with pointers for
4948 PARM_NOALIAS, make it unknown-sized.
4949
4950 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
4951
4952 PR target/39224
4953 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
4954
4955 2009-02-18 Jason Merrill <jason@redhat.com>
4956
4957 PR target/39179
4958 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
4959 value if DECL_EXTERNAL.
4960 * tree-sra.c (sra_walk_gimple_assign): Likewise.
4961 * target.h (gcc_target::binds_local_p): Clarify "module".
4962 * tree.h (TREE_PUBLIC): Clarify "module".
4963
4964 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
4965
4966 PR target/38891
4967 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
4968 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
4969
4970 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
4971
4972 PR target/39082
4973 * c.opt (Wabi): Support C and ObjC.
4974 (Wpsabi): New.
4975
4976 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
4977
4978 * config/i386/i386.c (classify_argument): Warn once about the ABI
4979 change when passing union with long double.
4980
4981 * doc/invoke.texi: Update -Wabi for warning psABI changes.
4982
4983 2009-02-18 Joseph Myers <joseph@codesourcery.com>
4984
4985 PR c/35447
4986 * c-parser.c (c_parser_compound_statement): Always enter and leave
4987 a scope.
4988
4989 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4990
4991 PR target/34587
4992 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
4993
4994 2009-02-18 Jakub Jelinek <jakub@redhat.com>
4995
4996 PR tree-optimization/36922
4997 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
4998 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
4999 Likewise.
5000
5001 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
5002
5003 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
5004 to 0 for EABI64.
5005
5006 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
5007
5008 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
5009
5010 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
5011
5012 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
5013 tree sharing.
5014
5015 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
5016 Richard Sandiford <rdsandiford@googlemail.com>
5017
5018 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
5019 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
5020 (loongson_biadd): ...this.
5021
5022 2009-02-17 Richard Guenther <rguenther@suse.de>
5023
5024 PR tree-optimization/39202
5025 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
5026 a var make sure to follow existing collapses.
5027
5028 2009-02-17 Richard Guenther <rguenther@suse.de>
5029
5030 PR middle-end/39214
5031 * langhooks.c (lhd_print_error_function): Check for NULL block.
5032
5033 2009-02-17 Richard Guenther <rguenther@suse.de>
5034
5035 PR tree-optimization/39204
5036 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
5037 of the PHI arg.
5038
5039 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
5040
5041 * config/soft-fp/double.h: Update from glibc CVS.
5042
5043 2009-02-17 Richard Guenther <rguenther@suse.de>
5044
5045 PR tree-optimization/39207
5046 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
5047 strict-aliasing warnings for pointers pointing to NULL.
5048
5049 2009-02-16 Joseph Myers <joseph@codesourcery.com>
5050
5051 PR c/35446
5052 * c-parser.c (c_parser_braced_init): Call pop_init_level when
5053 skipping until next close brace.
5054
5055 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
5056
5057 PR target/37049
5058 * config/i386/i386.c (ix86_expand_push): Set memory alignment
5059 to function argument boundary.
5060
5061 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
5062
5063 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
5064 in the lea_add. Reload eventually constraints it properly.
5065 * config/picochip/constraints.md : Remove the target constraint
5066 "b", since it is not needed anymore.
5067
5068 2009-02-16 Jakub Jelinek <jakub@redhat.com>
5069
5070 * gthr-dce.h: Uglify function parameter and local variable names.
5071 * gthr-gnat.h: Likewise.
5072 * gthr-mipssde.h: Likewise.
5073 * gthr-nks.h: Likewise.
5074 * gthr-posix95.h: Likewise.
5075 * gthr-posix.h: Likewise.
5076 * gthr-rtems.h: Likewise.
5077 * gthr-single.h: Likewise.
5078 * gthr-solaris.h: Likewise.
5079 * gthr-tpf.h: Likewise.
5080 * gthr-vxworks.h: Likewise.
5081 * gthr-win32.h: Likewise.
5082
5083 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
5084
5085 PR target/39196
5086 * config/i386/i386.md: Restrict the new peephole2 to move
5087 between MMX/SSE registers.
5088
5089 2009-02-15 Richard Guenther <rguenther@suse.de>
5090
5091 Revert
5092 2009-02-13 Richard Guenther <rguenther@suse.de>
5093
5094 * configure.ac: Enable LFS.
5095 * configure: Re-generate.
5096 * config.in: Likewise.
5097
5098 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5099
5100 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
5101 spu_srqwbyte, spu_srqwbytebc): Define.
5102 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
5103 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
5104 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
5105 "shrqby_<mode>"): New insn-and-split patterns.
5106 * config/spu/spu.c (expand_builtin_args): Determine and return
5107 number of operands using spu_builtin_description data.
5108 (spu_expand_builtin_1): Use it.
5109
5110 2009-02-13 Steve Ellcey <sje@cup.hp.com>
5111
5112 PR target/38056
5113 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
5114 TARGET_CONST_GP.
5115
5116 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5117
5118 PR target/39149
5119 * config/i386/i386.c (override_options): Correct warning
5120 messages for -malign-loops, -malign-jumps and -malign-functions.
5121
5122 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5123
5124 PR target/39152
5125 * config/i386/i386.md: Restrict the new peephole2 to move
5126 between the general purpose registers.
5127
5128 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5129
5130 PR target/39162
5131 * config/i386/i386.c (type_natural_mode): Add a new argument.
5132 Return the original mode and warn ABI change if vector size is 32byte.
5133 (function_arg_advance): Updated.
5134 (function_arg): Likewise.
5135 (ix86_function_value): Likewise.
5136 (ix86_return_in_memory): Likewise.
5137 (ix86_sol10_return_in_memory): Likewise.
5138 (ix86_gimplify_va_arg): Likewise.
5139 (function_arg_32): Don't warn ABX ABI change here.
5140 (function_arg_64): Likewise.
5141
5142 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
5143
5144 * loop-iv.c (implies_p): In the final case, test that operands 0
5145 of the two comparisons match.
5146
5147 * config/bfin/bfin.c (find_prev_insn_start): New function.
5148 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
5149 (find_next_insn_start): Move.
5150
5151 2009-02-13 Richard Guenther <rguenther@suse.de>
5152
5153 * configure.ac: Enable LFS.
5154 * configure: Re-generate.
5155 * config.in: Likewise.
5156
5157 2009-02-13 Joseph Myers <joseph@codesourcery.com>
5158
5159 PR c/35444
5160 * c-parser.c (c_parser_parms_list_declarator): Discard pending
5161 sizes on syntax error after some arguments have been parsed.
5162
5163 2009-02-12 Jakub Jelinek <jakub@redhat.com>
5164
5165 * doc/invoke.texi (-fira): Remove.
5166
5167 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5168
5169 * caller-save.c: Replace regclass.c with reginfo.c in comments.
5170 * recog.c: Likewise.
5171 * rtl.h: Likewise.
5172
5173 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
5174
5175 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
5176 (umul_ppmm): Likewise.
5177 (count_leading_zeros): Likewise.
5178 (count_trailing_zeros): Likewise.
5179 (UMUL_TIME): Likewise.
5180
5181 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5182
5183 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
5184 soft-fp/t-softfp to tmake_file.
5185
5186 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
5187 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
5188 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
5189 IA64_BUILTIN_INFQ]: New.
5190 (ia64_init_builtins): Initialize __builtin_infq,
5191 __builtin_fabsq and __builtin_copysignq if not HPUX.
5192 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
5193 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
5194
5195 * config/ia64/lib1funcs.asm (__divtf3): Define only if
5196 SHARED is defined.
5197 (__fixtfti): Likewise.
5198 (__fixunstfti): Likewise.
5199 (__floattitf): Likewise.
5200
5201 * config/ia64/libgcc-glibc.ver: New.
5202 * config/ia64/t-fprules-softfp: Likewise.
5203 * config/ia64/sfp-machine.h: Likewise.
5204
5205 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
5206 (LIBGCC2_TF_CEXT): Likewise.
5207 (TF_SIZE): Likewise.
5208 (TARGET_INIT_LIBFUNCS): Likewise.
5209
5210 * config/ia64/t-glibc (SHLINB_MAPFILES):
5211 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
5212
5213 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5214
5215 * config/i386/i386.c (construct_container): Rewrite processing
5216 BLKmode with X86_64_SSE_CLASS.
5217
5218 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
5219
5220 PR target/39152
5221 * config/i386/i386.md: Replace simplify_replace_rtx with
5222 replace_rtx in the new peephole2.
5223
5224 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
5225
5226 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5227 loop unrolling do not happen at -O2.
5228
5229 2009-02-12 Michael Matz <matz@suse.de>
5230
5231 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5232
5233 2009-02-12 Jakub Jelinek <jakub@redhat.com>
5234
5235 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5236 for -g3.
5237
5238 2009-02-12 Ben Elliston <bje@au.ibm.com>
5239
5240 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5241 patterns when updating the back chain. Missed in the 2009-02-10
5242 change.
5243
5244 2009-02-11 Janis Johnson <janis187@us.ibm.com>
5245
5246 * doc/extend.texi (Decimal Floating Types): Update identifier of
5247 draft TR and list of missing support.
5248
5249 2009-02-11 Jakub Jelinek <jakub@redhat.com>
5250
5251 PR middle-end/39154
5252 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5253 bit to variable length decl's flags, add it also to its
5254 pointer replacement variable.
5255
5256 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
5257 Jakub Jelinek <jakub@redhat.com>
5258
5259 PR target/39118
5260 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5261 (memory_blockage): New expander.
5262 (*memory_blockage): New insn pattern.
5263 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5264 instead of general blockage at the end of function prologue when
5265 frame pointer is used to access red zone area. Do not emit blockage
5266 when profiling, it is emitted in generic code.
5267 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5268 function epilogue when frame pointer is used to access red zone area.
5269
5270 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
5271
5272 PR target/38824
5273 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5274 by arithmetic with memory operands.
5275 * config/i386/predicates.md (commutative_operator): New.
5276
5277 2009-02-10 Janis Johnson <janis187@us.ibm.com>
5278
5279 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5280 bulleted lists.
5281
5282 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
5283
5284 * alias.h (record_alias_subset): Declare.
5285 * alias.c (record_alias_subset): Make global.
5286
5287 2009-02-10 Nick Clifton <nickc@redhat.com>
5288
5289 * tree-parloops.c: Change license to GPLv3.
5290 * ipa-struct-reorg.c: Change license to GPLv3.
5291 * ipa-struct-reorg.h: Change license to GPLv3.
5292
5293 2009-02-10 Steve Ellcey <sje@cup.hp.com>
5294
5295 PR c/39084
5296 * c-decl.c (start_struct): Return NULL on error.
5297
5298 2009-02-10 Jakub Jelinek <jakub@redhat.com>
5299
5300 PR middle-end/39124
5301 * cfgloopmanip.c (remove_path): Call remove_bbs after
5302 cancel_loop_tree, not before it.
5303
5304 PR target/39139
5305 * function.h (struct function): Add has_local_explicit_reg_vars bit.
5306 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5307 VAR_DECLs were seen.
5308 * tree-ssa-live.c (remove_unused_locals): Recompute
5309 cfun->has_local_explicit_reg_vars.
5310 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5311 copies or clearings if cfun->has_local_explicit_reg_vars.
5312
5313 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
5314
5315 PR target/39118
5316 * config/i386/i386.c (expand_prologue): Emit blockage at the end
5317 of function prologue when frame pointer is used to access
5318 red zone area.
5319
5320 2009-02-10 Richard Guenther <rguenther@suse.de>
5321
5322 PR middle-end/39127
5323 * gimplify.c (gimple_regimplify_operands): Always look if
5324 we need to create a temporary.
5325
5326 2009-02-10 Richard Guenther <rguenther@suse.de>
5327
5328 PR tree-optimization/39132
5329 * tree-loop-distribution.c (todo): New global var.
5330 (generate_memset_zero): Trigger TODO_rebuild_alias.
5331 (tree_loop_distribution): Return todo.
5332
5333 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
5334
5335 PR target/39119
5336 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5337 (x86_64_reg_class_name): Removed.
5338 (classify_argument): Return 0 if bytes > 32. Return 0 if the
5339 first one isn't X86_64_SSE_CLASS or any other ones aren't
5340 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
5341 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5342 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
5343 and 3 X86_64_SSEUP_CLASS.
5344 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
5345 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5346
5347 2009-02-10 Ben Elliston <bje@au.ibm.com>
5348
5349 * config/rs6000/rs6000.md (allocate_stack): Always use an update
5350 form instruction to update the stack back chain word, even if the
5351 user has disabled the generation of update instructions.
5352 (movdi_<mode>_update_stack): New.
5353 (movsi_update_stack): Likewise.
5354 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5355 always use an update form instruction to update the stack back
5356 chain word.
5357
5358 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
5359
5360 PR middle-end/38953
5361 * graphite.c (if_region_set_false_region): After moving a region in
5362 the false branch of a condition, remove the empty dummy basic block.
5363 (gloog): Remove wrong fix for PR38953.
5364
5365 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5366
5367 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5368 generation due to implicit sign extension.
5369
5370 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
5371
5372 PR middle-end/38981
5373 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5374 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5375
5376 2009-02-09 Richard Guenther <rguenther@suse.de>
5377
5378 PR middle-end/35202
5379 * convert.c (convert_to_real): Disable (float)fn((double)x)
5380 to fnf(x) conversion if errno differences may occur and
5381 -fmath-errno is set.
5382
5383 2009-02-07 Anatoly Sokolov <aesok@post.ru>
5384
5385 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5386 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5387 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5388
5389 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5390
5391 PR c/35434
5392 * c-common.c (handle_alias_attribute): Disallow attribute for
5393 anything not a FUNCTION_DECL or VAR_DECL.
5394
5395 2009-02-06 Janis Johnson <janis187@us.ibm.com>
5396
5397 PR c/39035
5398 * real.c (do_compare): Special-case compare of zero against
5399 decimal float value.
5400
5401 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5402
5403 PR c/36432
5404 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5405 as indicating flexible array members unless the field itself is
5406 being declarared as the incomplete array.
5407
5408 2009-02-06 Jan Hubicka <jh@suse.cz>
5409
5410 PR tree-optimization/38844
5411 * ipa-inline.c (try_inline): Stop inlining recursion when edge
5412 is already inlined.
5413
5414 2009-02-06 Richard Guenther <rguenther@suse.de>
5415
5416 PR middle-end/38977
5417 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5418 fork because we may expand it as __gcov_fork.
5419
5420 2009-02-06 Nick Clifton <nickc@redhat.com>
5421
5422 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5423
5424 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
5425
5426 PR tree-optimization/35659
5427 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5428 vn_phi_eq): Shortcut if hashcode does not match.
5429 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5430 NULL operands.
5431 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5432 and avoid iterative_hash_expr.
5433 (FOR_EACH_VALUE_ID_IN_SET): New.
5434 (value_id_compare): Remove.
5435 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5436 sort expressions by value id.
5437
5438 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
5439
5440 PR target/38991
5441 * config/sh/predicates.md (general_movsrc_operand): Don't check
5442 the subreg of system registers here.
5443
5444 2009-02-05 Jakub Jelinek <jakub@redhat.com>
5445
5446 PR c++/39106
5447 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5448 on the copied decl.
5449
5450 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
5451
5452 PR rtl-optimization/39110
5453 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5454 addresses, not aligned ones.
5455
5456 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
5457 Richard Guenther <rguenther@suse.de>
5458
5459 PR tree-optimization/39100
5460 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5461 comment says and add edges.
5462
5463 2009-02-05 Joseph Myers <joseph@codesourcery.com>
5464
5465 PR c/35435
5466 * c-common.c (handle_tls_model_attribute): Ignore attribute for
5467 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5468
5469 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
5470
5471 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5472 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5473 register_bb_in_sese, new_sese, free_sese): Moved.
5474 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5475 outermost_loop_in_scop, build_scop_iteration_domain,
5476 expand_scalar_variables_ssa_name, get_vdef_before_scop,
5477 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5478 Use loop_in_sese_p instead of loop_in_scop_p.
5479 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5480 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5481 (scopdet_basic_block_info): Fix bug in scop detection.
5482 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5483 eq_loop_to_cloog_loop): Remove.
5484 (nb_loops_around_loop_in_scop, nb_loop
5485 ref_nb_loops): Moved here...
5486 * graphite.h (ref_nb_loops): ... from here.
5487 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5488 (loop_domain_dim, loop_iteration_vector_dim): Remove.
5489 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5490 * testsuite/gcc.dg/graphite/scop-19.c: New
5491
5492 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
5493 Hans-Peter Nilsson <hp@axis.com>
5494
5495 PR rtl-optimization/37889
5496 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5497 Move offset handling from PLUS to before the switch. Use new
5498 arguments when considering SYMBOL_REFs too.
5499 (rtx_addr_can_trap_p): Pass dummy offset and size.
5500 (enum may_trap_p_flags): Remove.
5501 (may_trap_p_1): Pass size from MEM_SIZE.
5502
5503 PR rtl-optimization/38921
5504 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5505 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5506 * rtlanal.c (may_trap_after_code_motion_p): Delete.
5507 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5508
5509 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
5510
5511 AVX Programming Reference (January, 2009)
5512 * config/i386/sse.md (*vpclmulqdq): New.
5513
5514 2009-02-04 Jakub Jelinek <jakub@redhat.com>
5515
5516 PR tree-optimization/38977
5517 PR gcov-profile/38292
5518 * calls.c (special_function_p): Disregard __builtin_ prefix.
5519
5520 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
5521
5522 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5523 non-indexable addresses even before reload.
5524
5525 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5526
5527 PR c/29129
5528 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5529 as having variable size. Do not give an error for unnamed
5530 parameters with [*] declarators. Give a warning for type names
5531 with [*] declarators and mark them as variable size.
5532 * c-parser.c (c_parser_sizeof_expression): Do not give an error
5533 for sizeof applied to [*] type names.
5534
5535 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
5536
5537 PR C++/36607
5538 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5539
5540 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5541
5542 * gcc.c (process_command): Update copyright notice dates.
5543 * gcov.c (print_version): Likewise.
5544 * gcov-dump.c (print_version): Likewise.
5545 * mips-tfile.c (main): Likewise.
5546 * mips-tdump.c (main): Likewise.
5547
5548 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5549
5550 PR c/35433
5551 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5552 for composite type involving a zero-length array type.
5553
5554 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5555
5556 PR target/35318
5557 * function.c (match_asm_constraints_1): Skip over
5558 initial optional % in the constraint.
5559
5560 PR inline-asm/39059
5561 * c-parser.c (c_parser_postfix_expression): If fixed point is not
5562 supported, don't accept FIXED_CSTs.
5563 * c-decl.c (finish_declspecs): Error if fixed point is not supported
5564 and _Sat is used without _Fract/_Accum. Set specs->type to
5565 integer_type_node for cts_fract/cts_accum if fixed point is not
5566 supported.
5567
5568 2009-02-02 Catherine Moore <clm@codesourcery.com>
5569
5570 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5571
5572 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
5573
5574 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5575 (ABI_HAS_64BIT_SYMBOLS): Use it.
5576 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5577
5578 2009-02-02 Paul Brook <paul@codesourcery.com>
5579
5580 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5581
5582 2009-02-02 Jakub Jelinek <jakub@redhat.com>
5583
5584 PR inline-asm/39058
5585 * recog.h (asm_operand_ok): Add constraints argument.
5586 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
5587 recurse on matching constraint.
5588 (check_asm_operands): Pass constraints as 3rd argument to
5589 asm_operand_ok. Don't look up matching constraint here.
5590 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5591 to asm_operand_ok.
5592
5593 2009-02-02 Ben Elliston <bje@au.ibm.com>
5594
5595 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5596 TARGET_NARROW_VOLATILE_BITFIELD macro names.
5597
5598 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5599
5600 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5601 information. Remove some obsolete information. Reorganize.
5602
5603 * config/pa/fptr.c: Revert license to GPL 2.
5604 * config/pa/milli64.S: Likewise.
5605
5606 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5607
5608 PR target/38904
5609 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
5610 LIBRARY name in, instead of hard-coding it.
5611 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
5612 extra target make frag to tmake_files according to EH model.
5613 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
5614 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
5615 frags that define makefile variable EH_MODEL appropriately.
5616 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
5617 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
5618 to "-sjlj" according to type of EH configured.
5619 (LIBGCC_SONAME): Concatenate it to shared library base name.
5620 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
5621 to "_sjlj" according to type of EH configured.
5622 (LIBGCC_SONAME): Concatenate it to shared library base name.
5623 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
5624 (SHLIB_LINK): Add missing semicolon to if-else construct.
5625 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5626 string value of "pe_dll" command-line option.
5627 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
5628 (SHLIB_SONAME): Use it when overriding t-cygming default.
5629 (SHLIB_IMPLIB): Override t-cygming default.
5630 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5631 string value of "pe_dll" command-line option.
5632
5633 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5634
5635 PR target/38952
5636 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5637 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5638
5639 2009-01-31 Richard Guenther <rguenther@suse.de>
5640
5641 PR tree-optimization/38937
5642 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5643 computing the transitive closure.
5644
5645 2009-01-30 Richard Guenther <rguenther@suse.de>
5646
5647 PR tree-optimization/39041
5648 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5649 Propagate variable indices only if the types match for this stmt.
5650
5651 2009-01-30 Jakub Jelinek <jakub@redhat.com>
5652
5653 PR target/39013
5654 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5655 inline but never defined.
5656
5657 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
5658
5659 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5660 (*insv_h_di_reg_extimm): New insn.
5661 (*insv_l<mode>_reg_extimm): New insn.
5662
5663 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5664
5665 * config/picochip/picochip.c (flag_conserve_stack): set
5666 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5667 fconserve-stack. Reduce call-overhead used by inliner.
5668
5669 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5670
5671 PR/38157
5672 * common.opt (flag_conserve_stack): Initialised to zero.
5673
5674 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
5675
5676 PR/39002
5677 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5678 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5679 method.
5680
5681 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
5682
5683 * ira-color.c (allocno_reload_assign): Update comments.
5684 * regmove.c (regmove_optimize): Likewise.
5685
5686 * ra.h: Removed.
5687
5688 2009-01-29 Robert Millan <rmh@aybabtu.com>
5689
5690 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5691 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
5692 `MD_UNWIND_SUPPORT'.
5693 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5694
5695 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
5696
5697 PR tree-optimization/39007
5698 * tree-loop-distribution.c (generate_builtin): Use
5699 recompute_dominator to compute the immediate dominator of the
5700 basic block just after the loop.
5701
5702 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5703
5704 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5705 (ASM_OUTPUT_DWARF_PCREL): Define.
5706
5707 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
5708
5709 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5710 * doc/passes.texi: Remove entries about regclass, local-alloc, and
5711 global. Modify entries about regmove and IRA.
5712
5713 * ra-conflict.c: Remove the file.
5714
5715 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5716
5717 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5718 (pass_regclass_init): Rename to pass_reginfo_init.
5719
5720 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5721
5722 * toplev.h (flag_ira): Remove.
5723
5724 * caller-save.c (setup_save_areas): Remove flag_ira.
5725
5726 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
5727
5728 * global.c: Remove the file.
5729
5730 * opts.c (decode_options): Remove flag_ira.
5731
5732 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5733
5734 * regmove.c: Modify file description.
5735 (find_use_as_address, try_auto_increment): Define them only if
5736 AUTO_INC_DEC is defined.
5737 (replacement_quality, replace_in_call_usage, fixup_match_1,
5738 stable_and_no_regs_but_for_p): Remove.
5739 (reg_set_in_bb): Make it static.
5740 (regmove_optimize): Remove flag_ira and code which worked for
5741 !flag_ira.
5742
5743 * local-alloc.c: Remove the file.
5744
5745 * common.opt (fira): Remove.
5746
5747 * ira.c: Include except.h.
5748 (eliminable_regset): Move from global.c.
5749 (mark_elimination): Ditto. Remove flag_ira.
5750 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
5751 equiv_mem_modified, validate_equiv_mem_from_store,
5752 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
5753 contains_replace_regs, memref_referenced_p, memref_used_between_p,
5754 no_equiv, recorded_label_ref): Move from local-alloc.c.
5755 (update_equiv_regs): Ditto. Make it static.
5756 (print_insn_chain, print_insn_chains): Move it from global.c.
5757 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
5758 (build_insn_chain): Ditto. Make it static.
5759 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
5760 Rename to init_live_subregs.
5761 (gate_ira): Remove flag_ira.
5762
5763 * regclass.c: Rename reginfo.c. Change file description.
5764 (FORBIDDEN_INC_DEC_CLASSES): Remove.
5765 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
5766 (init_reg_sets_1): Remove code for evaluation of
5767 reg_class_superclasses and losing_caller_save_reg_set.
5768 (init_regs): Remove init_reg_autoinc.
5769 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
5770 ok_for_base_p_nonstrict): Remove.
5771 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
5772 (pass_regclass_init): Rename to pass_reginfo_init. Modify
5773 corresponding entries.
5774 (dump_regclass, record_operand_costs, scan_one_insn,
5775 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
5776 record_address_regs, auto_inc_dec_reg_p): Remove.
5777 (gt-regclass.h): Rename to gt-reginfo.h.
5778
5779 * rtl.h (dump_global_regs, retry_global_alloc,
5780 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
5781
5782 * Makefile.in (RA_H): Remove.
5783 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
5784 Rename regclass.o to reginfo.o.
5785 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
5786 gt-reginfo.h.
5787 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
5788 (GTFILES): Rename regclass.c to reginfo.c.
5789
5790 * passes.c (init_optimization_passes): Remove pass_local_alloc and
5791 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
5792
5793 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5794 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
5795 Remove flag_ira.
5796 (finish_spills): Ditto. Remove code for !flag_ira.
5797
5798 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5799
5800 PR middle-end/35854
5801 * doc/invoke.texi (rtl debug options): Complete rewrite.
5802 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
5803 to auto_inc_dec".
5804 * mode-switching.c (pass_mode_switching): Rename pass from
5805 "mode-sw" to "mode_sw".
5806 * except.c (pass_convert_to_eh_ranges): Rename pass from
5807 "eh-ranges" to "eh_ranges".
5808 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
5809 to "subreg1".
5810
5811
5812 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
5813 Alexander Monakov <amonakov@ispras.ru>
5814
5815 PR middle-end/38857
5816 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
5817 register.
5818 (move_exprs_to_boundary): Change return type and pass through
5819 should_move from move_op. Relax assert. Update usage ...
5820 (schedule_expr_on_boundary): ... here. Use should_move instead of
5821 cant_move.
5822 (move_op_orig_expr_found): Indicate that insn was disconnected from
5823 stream.
5824 (code_motion_process_successors): Do not call after_merge_succs
5825 callback if original expression was not found when traversing any of
5826 the branches.
5827 (code_motion_path_driver): Change return type. Update prototype.
5828 (move_op): Update comment. Add a new parameter (should_move). Update
5829 prototype. Set *should_move based on indication provided by
5830 move_op_orig_expr_found.
5831
5832 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
5833
5834 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
5835 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
5836 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
5837 * config/rs6000/rs6000.c (rs6000_override_options): Default
5838 avoid-indexed-addresses on for Power6, off for everything else.
5839 (avoiding_indexed_address_p): New function.
5840 (rs6000_legitimize_address): Use it.
5841 (rs6000_legitimate_address): Likewise.
5842 * config/rs6000/rs6000.md (movXX_updateX): Likewise
5843
5844 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
5845
5846 PR tree-optimization/38997
5847 * tree-loop-distribution.c (generate_memset_zero): Use
5848 POINTER_PLUS_EXPR for a pointer addition.
5849
5850 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
5851
5852 * config/s390/s390.md (bswap<mode>2): New pattern added.
5853
5854 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5855
5856 * config/s390/s390.md (*tls_load_31): Added type attribute.
5857
5858 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5859
5860 * config/s390/s390.md: Fix a few comments.
5861
5862 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5863
5864 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
5865 (*tm<mode>_full): Fixed z10prop attribute.
5866 (*tst<mode>_extimm): Fixed z10prop attribute.
5867 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
5868 (*tstqiCCT_cconly): Fixed z10prop attribute.
5869 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
5870 (*movsi_larl): Fixed z10prop attribute.
5871 (*movsi_zarch): Fixed z10prop attribute.
5872 (*movsi_eas): Fixed z10prop attribute.
5873 (*movhi): Fixed z10prop attribute.
5874 (*movqi): Fixed z10prop attribute.
5875 (*movstrictqi): Fixed z10prop attribute.
5876 (*mov<mode>): Fixed z10prop attribute.
5877 (*movcc): Fixed z10prop attribute.
5878 (*sethighpartdi_64): Fixed z10prop attribute.
5879 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
5880 (*negdi2_sign_cc): Fixed z10prop attribute.
5881 (*negdi2_sign): Fixed z10prop attribute.
5882 (*absdi2_sign_cc): Fixed z10prop attribute.
5883 (*absdi2_sign): Fixed z10prop attribute.
5884 (*negabsdi2_sign_cc): Fixed z10prop attribute.
5885 (*negabsdi2_sign): Fixed z10prop attribute.
5886 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
5887 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
5888 (doloop_si64): Fixed z10prop attribute.
5889 (doloop_si31): Fixed z10prop attribute.
5890 (doloop_long): Fixed z10prop attribute.
5891 (indirect_jump): Fixed z10prop attribute.
5892 (nop): Fixed z10prop attribute.
5893 (main_base_64): Fixed z10prop attribute.
5894 (reload_base_64): Fixed z10prop attribute.
5895
5896 2009-01-28 Jakub Jelinek <jakub@redhat.com>
5897
5898 PR rtl-optimization/38740
5899 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
5900 if !optimize.
5901 * config/mips/mips.c (mips_reorg): Likewise.
5902
5903 2009-01-28 Richard Guenther <rguenther@suse.de>
5904
5905 PR tree-optimization/38926
5906 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
5907 with the correct value id to a value.
5908 (do_regular_insertion): Use the value number of edoubleprime
5909 for the value number of the expr.
5910
5911 Revert
5912 2008-08-21 Richard Guenther <rguenther@suse.de>
5913
5914 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
5915 a PHI ask VN if it is already available.
5916 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
5917 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
5918
5919 2009-01-28 Jakub Jelinek <jakub@redhat.com>
5920
5921 PR middle-end/38934
5922 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
5923 set to varying whenever max has TREE_OVERFLOW set, similarly
5924 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
5925
5926 2009-01-28 Richard Guenther <rguenther@suse.de>
5927
5928 PR middle-end/38908
5929 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
5930 uninitialized aggregate uses in call arguments.
5931
5932 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
5933
5934 PR tree-optimization/38984
5935 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
5936 the nothing_id variable if -fno-delete-null-pointer-checks.
5937
5938 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
5939
5940 PR target/38988
5941 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
5942 (set_got_offset_rex64): Ditto.
5943
5944 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
5945
5946 PR target/38941
5947 * doc/extend.texi: Improve local variable with asm reg.
5948
5949 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
5950
5951 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
5952 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
5953 was not supplied then set warn_packed_bitfield_compat to the
5954 default value of 1.
5955 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
5956 against 1.
5957
5958 2009-01-27 Richard Guenther <rguenther@suse.de>
5959
5960 PR tree-optimization/38503
5961 * cfgexpand.c (expand_gimple_basic_block): Ignore
5962 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
5963 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
5964 variables that cannot have TBAA applied.
5965 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
5966 statements.
5967
5968 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
5969
5970 PR middle-end/38969
5971 * calls.c (initialize_argument_information): Do not wrap complex
5972 arguments in SAVE_EXPR.
5973
5974 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
5975
5976 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
5977 (INSTALL_LIBGCC): Revert typo commit.
5978
5979 2009-01-26 Richard Guenther <rguenther@suse.de>
5980
5981 PR tree-optimization/38745
5982 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
5983 from special handling.
5984
5985 2009-01-26 Richard Guenther <rguenther@suse.de>
5986
5987 PR tree-optimization/38745
5988 * tree-ssa.c (execute_update_addresses_taken): Do not include
5989 variables that cannot possibly be a register in not_reg_needs.
5990 Do not clear TREE_ADDRESSABLE on vars that may not become
5991 registers.
5992 * tree-ssa.c (update_alias_info_1): Include those in the set
5993 of addressable vars.
5994
5995 2009-01-26 Richard Guenther <rguenther@suse.de>
5996
5997 PR middle-end/38851
5998 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
5999 * tree-ssa-dse.c: Include langhooks.h
6000 (execute_simple_dse): Remove stores with zero size.
6001
6002 2009-01-24 Jakub Jelinek <jakub@redhat.com>
6003
6004 PR c/38957
6005 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
6006 as PLUS_EXPR.
6007
6008 2009-01-24 Julian Brown <julian@codesourcery.com>
6009
6010 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
6011 config/arm/linux-atomic.c.
6012 * config/arm/linux-atomic.c: New.
6013
6014 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
6015
6016 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
6017 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
6018 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
6019
6020 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
6021
6022 PR c/38938
6023 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
6024 properly.
6025
6026 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
6027
6028 PR tree-optimization/38953
6029 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6030 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
6031 (gloog): Split the exit of the scop when the scop exit is a loop exit.
6032 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6033 changed the CFG.
6034
6035 2009-01-24 Paul Brook <paul@codesourcery.com>
6036
6037 * config/arm/neon.md (neon_type): Move to arm.md.
6038 (neon_mov<VSTRUCT>): Add neon_type attribute.
6039 * config/arm/arm.md (neon_type): Move to here.
6040 (conds): Add "unconditioal" and use as default for NEON insns.
6041
6042 2009-01-24 Ben Elliston <bje@au.ibm.com>
6043
6044 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
6045 void *' warning from -Wc++-compat.
6046 * Makefile.in (dominance.o-warn): Remove.
6047
6048 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
6049
6050 PR tree-optimization/38932
6051 * fold-const.c (fold_unary_ignore_overflow): New.
6052 * tree.h (fold_unary_ignore_overflow): Declare.
6053 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
6054 * tree-ssa-sccvn.c (visit_reference_op_load,
6055 simplify_unary_expression): Likewise.
6056
6057 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
6058
6059 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
6060 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
6061 regardless of their type.
6062 * c-common.c (handle_packed_attribute): Don't ignore packed on
6063 bitfields.
6064 * c.opt (Wpacked-bitfield-compat): New warning option.
6065 * stor-layout.c (place_field): Warn if offset of a field changed.
6066 * doc/extend.texi (packed): Mention the ABI change.
6067 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
6068 (Warning Options): Add it to the list.
6069
6070 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
6071
6072 * c-opts.c (c_common_post_options): Fix a typo in comments.
6073
6074 2009-01-22 Steve Ellcey <sje@cup.hp.com>
6075
6076 PR middle-end/38615
6077 * gimplify.c (gimplify_init_constructor): Fix promotion of const
6078 variables to static.
6079 * doc/invoke.texi (-fmerge-all-constants): Update description.
6080
6081 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
6082
6083 PR target/38931
6084 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
6085 (*movdi_1_rex64): Use type "mmx" for alternative 5.
6086
6087 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
6088
6089 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
6090 a word boundary.
6091 (LOCAL_ALIGNMENT): Similarly.
6092
6093 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
6094 Joseph Myers <joseph@codesourcery.com>
6095
6096 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
6097 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
6098 * config/arm/arm-tune.md: Regenerate.
6099 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
6100 -march=iwmmxt2.
6101
6102 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
6103
6104 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
6105 version number to five.
6106
6107 2009-01-22 Dodji Seketeli <dodji@redhat.com>
6108
6109 PR c++/38930
6110 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
6111 * c-common.c (set_underlying_type): Likewise.
6112 (is_typedef_decl ): Likewise
6113 * tree.h: Likewise
6114 (set_underlying_type): Likewise.
6115 (is_typedef_type): Likewise.
6116
6117 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
6118
6119 PR middle-end/38587
6120 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
6121 crossing setjmps.
6122
6123 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6124
6125 PR bootstrap/37660
6126 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
6127 (LIBGCC_SPEC): Don't define.
6128 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
6129
6130 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
6131
6132 PR rtl-optimization/38879
6133 * alias.c (base_alias_check): Unaligned access via AND address can
6134 alias all surrounding object types except those with sizes equal
6135 or wider than the size of unaligned access.
6136
6137 2009-01-21 Dodji Seketeli <dodji@redhat.com>
6138
6139 PR c++/26693
6140 * c-decl.c (clone_underlying_type): Move this ...
6141 * c-common.c (set_underlying_type): ... here.
6142 Also, make sure the function properly sets TYPE_STUB_DECL() on
6143 the newly created typedef variant type.
6144 (is_typedef_decl ): New entry point.
6145 * tree.h: Added a new member member_types_needing_access_check to
6146 struct tree_decl_non_common.
6147 (set_underlying_type): New entry point.
6148 (is_typedef_type): Likewise.
6149
6150 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
6151
6152 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
6153 Check whether two instructions have memory references that
6154 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
6155 are helper functions for traversing.
6156 * alias.h (insn_alias_sets_confilict_p): New prototypes.
6157 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
6158 not to draw dependency edge for instructions with non-conflicting
6159 alias sets.
6160
6161 2009-01-20 Joseph Myers <joseph@codesourcery.com>
6162
6163 PR other/38758
6164 * longlong.h: Update copyright years. Use soft-fp license notice.
6165 Sync __clz_tab declaration with glibc.
6166
6167 2009-01-20 Steve Ellcey <sje@cup.hp.com>
6168
6169 PR target/30687
6170 * doc/extend.texi (syscall_linkage): New.
6171 (version_id): Modify.
6172
6173 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
6174 Richard Guenther <rguenther@suse.de>
6175
6176 PR tree-optimization/38747
6177 PR tree-optimization/38748
6178 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
6179 conversion if the base address is an indirect reference and the
6180 aliasing sets could cause issues.
6181
6182 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
6183
6184 * common.opt (fgraphite, fgraphite-identity): Add comment for
6185 explaining why these options are not documented.
6186
6187 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
6188
6189 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6190 gimple_call_lhs is NULL.
6191
6192 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
6193
6194 PR target/38868
6195 * emit-rtl.c (adjust_address_1): Make sure memref is never
6196 overwritten.
6197
6198 2009-01-20 Ben Elliston <bje@au.ibm.com>
6199
6200 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6201 const qualifier from arg parameter. Remove unnecessary cast to char *.
6202 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6203 const qualifier from arg 2.
6204
6205 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6206
6207 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
6208
6209 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
6210
6211 PR c/38869
6212 * rtl.h (reinit_regs): New prototype.
6213 * regclass.c: Include ira.h.
6214 (reinit_regs): New.
6215 * Makefile.in (regclass.o): Add ira.h.
6216 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
6217
6218 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
6219
6220 PR target/38736
6221 * c-common.c (handle_aligned_attribute): Use
6222 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
6223 default alignment value.
6224
6225 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6226
6227 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6228 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6229
6230 * doc/extend.texi: Update __attribute__ ((aligned)). Document
6231 __BIGGEST_ALIGNMENT__.
6232
6233 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6234
6235 2009-01-18 Richard Guenther <rguenther@suse.de>
6236
6237 PR tree-optimization/38819
6238 * tree-flow.h (operation_could_trap_helper_p): Declare.
6239 * tree-eh.c (operation_could_trap_helper_p): Export.
6240 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6241 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6242 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6243 are about to insert a possibly trapping instruction and fail
6244 in this case.
6245
6246 2009-01-18 Andreas Schwab <schwab@suse.de>
6247
6248 * doc/install.texi (Configuration): Remove obsolete paragraph
6249 about use of --with-gnu-ld with --with-gnu-as.
6250
6251 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
6252
6253 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6254 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6255 Follow spelling conventions.
6256
6257 2009-01-18 Ben Elliston <bje@au.ibm.com>
6258
6259 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6260 C++ warning about implicit conversion from void * to struct
6261 bitmap_head_def *.
6262 (bitmap_obstack_free): Likewise for bitmap_element *.
6263 * Makefile.in (bitmap.o-warn): Remove.
6264
6265 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
6266
6267 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
6268
6269 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
6270 Tobias Grosser <tobi.grosser@amd.com>
6271
6272 * graphite.c (graphite_trans_scop_block): Do not block single
6273 nested loops.
6274
6275 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
6276
6277 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6278 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6279 test with assertion.
6280
6281 2009-01-16 Richard Guenther <rguenther@suse.de>
6282
6283 PR tree-optimization/38835
6284 PR middle-end/36227
6285 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6286 and INT + PTR -> (INT)(PTR p+ INT) folding.
6287 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6288
6289 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
6290
6291 PR target/38554
6292 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6293 the subreg from a lowpart subreg if it is also casting the value.
6294
6295 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6296 Tobias Grosser <tobi.grosser@amd.com>
6297
6298 * graphite.c (compare_prefix_loops): New.
6299 (build_scop_canonical_schedules): Rewritten.
6300 (graphite_transform_loops): Move build_scop_canonical_schedules
6301 after build_scop_iteration_domain.
6302
6303 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6304 Tobias Grosser <tobi.grosser@amd.com>
6305
6306 * graphite.c (add_conditions_to_domain): Add the loops to
6307 the dimension of the iteration domain. Do copy the domain
6308 only when it exists.
6309 (build_scop_conditions_1): Do not call add_conditions_to_domain.
6310 (add_conditions_to_constraints): New.
6311 (can_generate_code_stmt, can_generate_code): Removed.
6312 (gloog): Do not call can_generate_code.
6313 (graphite_transform_loops): Call add_conditions_to_constraints
6314 after building the iteration domain.
6315
6316 2009-01-16 Jakub Jelinek <jakub@redhat.com>
6317
6318 PR tree-optimization/38789
6319 * tree-ssa-threadedge.c
6320 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6321 __builtin_constant_p.
6322
6323 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
6324
6325 * dce.c (delete_unmarked_insns): Reversed the order that insns are
6326 examined before deleting them.
6327
6328 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
6329
6330 * function.c (aggregate_value_p): Correctly extract the function
6331 type from CALL_EXPR_FN lookup.
6332
6333 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
6334
6335 * config/picochip/picochip.c (picochip_override_options): Revert
6336 CFI asm flag disable commited previously.
6337
6338 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
6339 Tobias Grosser <tobi.grosser@amd.com>
6340 Jan Sjodin <jan.sjodin@amd.com>
6341
6342 * graphite.c (scan_tree_for_params): On substractions negate
6343 all the coefficients of the term.
6344 (clast_to_gcc_expression_red): New. Handle reduction expressions
6345 of more than two operands.
6346 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6347 (get_vdef_before_scop): Handle also the case of default definitions.
6348
6349 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
6350
6351 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6352 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6353 Also use them when walking CALL_INSN_FUNCTION_USAGE.
6354
6355 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
6356 Joey Ye <joey.ye@intel.com>
6357
6358 PR middle-end/37843
6359 * cfgexpand.c (expand_stack_alignment): Don't update stack
6360 boundary nor check incoming stack boundary here.
6361 (gimple_expand_cfg): Update stack boundary and check incoming
6362 stack boundary here.
6363
6364 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
6365
6366 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6367
6368 2009-01-14 Jakub Jelinek <jakub@redhat.com>
6369
6370 PR rtl-optimization/38245
6371 * calls.c (expand_call): Add stack arguments to
6372 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6373 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6374 in regs and partially in memory or BLKmode arguments.
6375 (emit_library_call_value_1): Add stack arguments to
6376 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6377 ACCUMULATE_OUTGOING_ARGS).
6378 * dce.c: Include tm_p.h.
6379 (find_call_stack_args): New function.
6380 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
6381 argument.
6382 (mark_insn): Call find_call_stack_args for CALL_Ps.
6383 (prescan_insns_for_dce): Walk insns backwards in bb rather than
6384 forwards. Allocate and free arg_stores bitmap if needed, pass it
6385 down to deletable_insn_p, don't mark stores set in arg_stores
6386 bitmap, clear the bitmap at the beginning of each bb.
6387 * Makefile.in (dce.o): Depend on $(TM_P_H).
6388
6389 2009-01-14 Michael Meissner <gnu@the-meissners.org>
6390
6391 PR target/22599
6392 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6393 to make sure the insn is a conditional test (bug 22599). Reformat a
6394 few long lines.
6395
6396 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
6397
6398 PR middle-end/38431
6399 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6400 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6401 (gloog): Do not call cleanup_tree_cfg.
6402 (graphite_transform_loops): Call cleanup_tree_cfg after all
6403 scops have been code generated.
6404
6405 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
6406 * doc/gty.texi (Invoking the garbage collector): Added new node
6407 and section documenting ggc_collect.
6408
6409 2009-01-14 Richard Guenther <rguenther@suse.de>
6410
6411 PR tree-optimization/38826
6412 PR middle-end/38477
6413 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6414 initialization notes only if we actually emitted a warning.
6415 (intra_create_variable_infos): Add constraints for a result decl
6416 that is passed by hidden reference.
6417 (build_pred_graph): Mark all related variables non-direct on
6418 address-taking.
6419
6420 2009-01-14 Nick Clifton <nickc@redhat.com>
6421
6422 * ira-conflicts.c: Include addresses.h for the definition of
6423 base_reg_class.
6424 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6425 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6426
6427 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
6428
6429 PR target/38811
6430 * Makefile.in (ira-lives.o): Add except.h.
6431
6432 * ira-lives.c: Include except.h.
6433 (process_bb_node_lives): Process can_throw_internal.
6434
6435 2009-01-13 Jakub Jelinek <jakub@redhat.com>
6436
6437 PR rtl-optimization/38774
6438 * combine.c (simplify_set): When undoing cc_use change, don't do
6439 PUT_CODE on the newly created comparison, but instead put back the
6440 old comparison.
6441
6442 2009-01-13 Joseph Myers <joseph@codesourcery.com>
6443
6444 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6445 values. Remove duplicate arm8 entry.
6446
6447 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6448
6449 PR tree-optimization/38786
6450 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6451 the SSA_NAME case of expand_scalar_variables_expr.
6452 Set the type of an expression to the type of its assign statement.
6453 (expand_scalar_variables_expr): Also gather the scalar computation
6454 used to index the memory access. Do not pass loop_p.
6455 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
6456 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6457 the gimple_stmt_iterator where it inserts new code.
6458 Do not pass loop_p.
6459 (copy_bb_and_scalar_dependences): Do not pass loop_p.
6460 (translate_clast): Update call to copy_bb_and_scalar_dependences.
6461
6462 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6463
6464 * graphite.h (debug_value): Removed.
6465 * graphite.c (debug_value): Removed.
6466
6467 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6468
6469 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6470 ldrd/strd with two 32-bit instructions.
6471
6472 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6473
6474 * config/arm/arm.c (struct processors): Pass for speed down into
6475 cost helper functions.
6476 (const_ok_for_op): Handle COMPARE and inequality nodes.
6477 (arm_rtx_costs_1): Rewrite.
6478 (arm_size_rtx_costs): Update prototype.
6479 (arm_rtx_costs): Pass speed down to helper functions.
6480 (arm_slowmul_rtx_costs): Rework cost calculations.
6481 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6482 (arm_9e_rtx_costs): Likewise.
6483
6484 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
6485
6486 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6487 relocations of local symbols wider than UNITS_PER_WORD are not valid.
6488 (alpha_legitimize_address): Do not split local symbols wider than
6489 UNITS_PER_WORD into HIGH/LO_SUM parts.
6490
6491 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
6492
6493 PR bootstrap/38580
6494 * gcc.c (process_command): Replace call to execvp with calls
6495 to pex_one and exit.
6496
6497 2009-01-03 Anatoly Sokolov <aesok@post.ru>
6498
6499 PR target/29141
6500 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6501 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6502 variant for devices with 3-byte PC.
6503 (__tablejump_elpm__): New.
6504
6505 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6506
6507 PR c/32041
6508 * c-parser.c (c_parser_postfix_expression): Allow `->' in
6509 offsetof member-designator, handle it as `[0].'.
6510
6511 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6512
6513 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6514 function when not using named sections on targets with named sections
6515 if branch distance is less than 262132.
6516
6517 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
6518
6519 * combine.c (combine_instructions): Recompute
6520 optimize_this_for_speed_p for each BB in the main combine loop.
6521
6522 2009-01-12 Tomas Bily <tbily@suse.cz>
6523
6524 PR middlend/38385
6525 * tree-loop-distribution.c (prop_phis): New function.
6526 (generate_builtin): Call prop_phis.
6527 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6528
6529 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6530
6531 PR tree-optimization/38807
6532 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6533 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6534
6535 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
6536
6537 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6538 subreg of op0 to the original op0.
6539
6540 2009-01-11 Laurent GUERBY <laurent@guerby.net>
6541
6542 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6543
6544 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
6545
6546 PR debug/7055
6547 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6548 starting with digits.
6549
6550 2009-01-10 Jakub Jelinek <jakub@redhat.com>
6551
6552 PR target/38695
6553 * config/arm/arm.c (arm_is_long_call_p): Don't call
6554 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6555
6556 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
6557
6558 * regrename.c (regrename_optimize): Fix dumping.
6559 (find_oldest_value_reg): Preserve REG_POINTER.
6560 (copy_hardreg_forward_1): Likewise.
6561
6562 2009-01-09 Diego Novillo <dnovillo@google.com>
6563
6564 * gimple.h (struct gimple_statement_base) <uid>: Document
6565 the restrictions on its use.
6566 (gimple_uid): Tidy.
6567 (gimple_set_uid): Tidy.
6568
6569 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6570
6571 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6572 zero guard even if align_bytes != 0 and count is smaller than
6573 size_needed.
6574
6575 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
6576
6577 PR rtl-optimization/38495
6578 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6579 (add_range_and_copies_from_move_list): Print all added ranges.
6580 Add ranges to memory optimized destination.
6581
6582 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6583
6584 PR target/38686
6585 PR target/38708
6586 * config/i386/i386.c (override_options): Reject
6587 -mstringop-strategy=rep_8byte with -m32.
6588 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6589 to 1. Do count comparison against epilogue_size_needed at compile
6590 time even when count_exp was constant forced into register. For
6591 size_needed don't jump to epilogue, instead just avoid aligning
6592 and invoke the body algorithm. If need_zero_guard, add zero guard
6593 even if count is non-zero, but smaller than size_needed + number of
6594 bytes that could be stored for alignment.
6595 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6596 to 1. If need_zero_guard, add zero guard even if count is non-zero,
6597 but smaller than size_needed + number of bytes that could be stored
6598 for alignment. Compare size_needed with epilogue_size_needed instead
6599 of desired_align - align, don't adjust size_needed, pass
6600 epilogue_size_needed to the epilogue expanders.
6601
6602 PR c/35742
6603 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6604
6605 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6606
6607 * pa.c (last_address): Change to unsigned.
6608 (update_total_code_bytes): Change argument to unsigned. Don't
6609 check if insn addresses are set.
6610 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6611 addresses are not set.
6612 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6613
6614 2009-01-09 Nick Clifton <nickc@redhat.com>
6615
6616 * config/sh/symbian.c: Replace uses of DECL_INLINE with
6617 DECL_DECLARED_INLINE_P.
6618
6619 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6620
6621 PR middle-end/38347
6622 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6623 GET_MODE (op0) in operand_subword_force calls.
6624
6625 PR middle-end/38771
6626 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6627 fold_convert arg0 operands to TREE_TYPE (op0) first.
6628
6629 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
6630
6631 * params.def (ira-max-conflict-table-size): Decrease default value
6632 to 1000.
6633
6634 2009-01-08 Jakub Jelinek <jakub@redhat.com>
6635
6636 PR tree-optimization/37031
6637 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6638 on parameter_set.
6639 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6640 allocate it using gc instead of heap, use VEC_quick_push instead of
6641 VEC_safe_push.
6642 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6643 instead of heap, use VEC_quick_push instead of VEC_safe_push.
6644 * tree-data-ref.h (struct access_matrix): Change matrix to gc
6645 allocated vector from heap allocated.
6646 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6647 * tree-loop-linear.c (linear_transform_loops): Allocate nest
6648 vector only after perfect_loop_nest_depth call.
6649
6650 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
6651 Jan Sjodin <jan.sjodin@amd.com>
6652
6653 PR tree-optimization/38559
6654 * graphite.c (debug_value, copy_constraint,
6655 swap_constraint_variables, scale_constraint_variable, ): New.
6656 (get_lower_bound, get_upper_bound): Removed.
6657 (graphite_trans_bb_strip_mine): Clean up this code that works
6658 only for constant number of iterations. Fully copy upper and
6659 lower bound constraints, not only the constant part of them.
6660 * graphite.h (debug_value): Declared.
6661
6662 2009-01-08 Ira Rosen <irar@il.ibm.com>
6663
6664 PR tree-optimization/37194
6665 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6666 Don't add the cost of cost model guard in prologue to scalar
6667 outside cost in case of known number of iterations.
6668
6669 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
6670 Alan Modra <amodra@bigpond.net.au>
6671
6672 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6673 non-word-aligned REG+CONST addressing.
6674
6675 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6676
6677 PR target/38706
6678 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6679 free_after_compilation when outputting a thunk.
6680 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6681 Do not call free_after_compilation here.
6682
6683 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6684
6685 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6686 (ix86_valid_target_attribute_inner_p): Ditto.
6687
6688 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
6689
6690 PR tree-optimization/38492
6691 PR tree-optimization/38498
6692 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6693 * tree-chrec.h (scev_is_linear_expression): Declared.
6694 * graphite.c (graphite_cannot_represent_loop_niter): New.
6695 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6696 (graphite_loop_normal_form): Use gcc_assert.
6697 (scan_tree_for_params): Use CASE_CONVERT.
6698 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6699 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6700 Use gcc_assert. Discard scops that contain unhandled cases.
6701 (build_scop_conditions): Return a boolean status for unhandled cases.
6702 (strip_mine_profitable_p): Print the loop number, not its depth.
6703 (is_interchange_valid): Pass the depth of the loop nest, don't
6704 recompute it wrongly.
6705 (graphite_trans_bb_block): Same.
6706 (graphite_trans_bb_block): Print tentative of loop blocking.
6707 (graphite_trans_scop_block): Do not print that the loop has been
6708 blocked.
6709 (graphite_transform_loops): Do not handle scops that contain condition
6710 scalar phi nodes.
6711
6712 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
6713
6714 AVX Programming Reference (December, 2008)
6715 * config/i386/avxintrin.h (_mm256_stream_si256): New.
6716 (_mm256_stream_pd): Likewise.
6717 (_mm256_stream_ps): Likewise.
6718
6719 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6720 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6721 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6722 (bdesc_special_args): Add __builtin_ia32_movntdq256,
6723 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6724 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6725 (ix86_expand_special_args_builtin): Likewise.
6726
6727 * config/i386/sse.md (AVXMODEDI): New.
6728 (avx_movnt<mode>): Likewise.
6729 (avx_movnt<mode>): Likewise.
6730 (<sse>_movnt<mode>): Remove AVX support.
6731 (sse2_movntv2di): Likewise.
6732
6733 2009-01-07 Richard Guenther <rguenther@suse.de>
6734
6735 PR middle-end/38751
6736 * fold-const.c (extract_muldiv): Remove obsolete comment.
6737 (fold_plusminus_mult_expr): Undo MINUS_EXPR
6738 to PLUS_EXPR canonicalization for the canonicalization.
6739
6740 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
6741
6742 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
6743 hosted cross-compilers generating less efficient code.
6744
6745 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6746
6747 * function.h (rtl_data): Add a dbr_scheduled_p field.
6748 * reorg.c (dbr_schedule): Set it.
6749 (gate_handle_delay_slots): Check it.
6750 * config/mips/mips.c (mips_base_delayed_branch): Delete.
6751 (mips_reorg): Check flag_delayed_branch instead of
6752 mips_base_delayed_branch.
6753 (mips_override_options): Don't set mips_base_delayed_branch
6754 or flag_delayed_branch.
6755
6756 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6757
6758 PR rtl-optimization/38426.
6759 * ira.c (ira): Set current_function_is_leaf earlier.
6760
6761 2009-01-06 Jakub Jelinek <jakub@redhat.com>
6762
6763 PR rtl-optimization/38722
6764 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
6765 too early, only set a flag and modify after last possible
6766 undo_all point.
6767
6768 2009-01-06 Janis Johnson <janis187@us.ibm.com>
6769
6770 PR c/34252
6771 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
6772 * real.c (decimal_single_format): Correct values of emin and emax.
6773 (decimal_double_format): Ditto.
6774 (decimal_quad_format): Ditto.
6775 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
6776 computation of DECnn_MIN and DECnn_MAX for corrected values of
6777 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
6778 __DECnn_MIN__, and adjust its computation for the corrected value
6779 of emin.
6780
6781 2009-01-06 Jan Hubicka <jh@suse.cz>
6782
6783 PR target/38744
6784 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
6785
6786 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
6787
6788 * doc/contrib.texi (Contributors): Slightly adjust the end note.
6789 Add Robert Clark to the list of testers.
6790
6791 2009-01-06 Jan Hubicka <jh@suse.cz>
6792 Kai Tietz <kai.tietz@onevision.com>
6793
6794 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
6795 * config/i386/i386.c (ix86_expand_call): Add clobbers.
6796
6797 2009-01-06 Jan Hubicka <jh@suse.cz>
6798 Kai Tietz <kai.tietz@onevision.com>
6799
6800 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
6801 for w64 ABI.
6802 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
6803 (ix86_nsaved_regs): Count only general purpose regs.
6804 (ix86_nsaved_sseregs): New.
6805 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
6806 to 16 for w64; compute padding and size of sse reg save area.
6807 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
6808 general purpose regs.
6809 (ix86_emit_save_sse_regs_using_mov): New.
6810 (ix86_expand_prologue): Save SSE regs if needed.
6811 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
6812 (ix86_emit_restore_sse_regs_using_mov): New.
6813 (ix86_expand_epilogue): Save SSE regs if needed.
6814
6815 2009-01-06 Jan Hubicka <jh@suse.cz>
6816 Kai Tietz <kai.tietz@onevision.com>
6817
6818 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
6819 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
6820 functions when accumulate outgoing args is off.
6821
6822 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6823
6824 PR bootstrap/38742
6825 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
6826 before using pseudos_have_intersected_live_ranges_p.
6827
6828 * ira-int.h (ira_assert): Always define.
6829
6830 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6831
6832 AVX Programming Reference (December, 2008)
6833 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
6834 (_mm256_permute2_pd): Likewise.
6835 (_mm_permute2_ps): Likewise.
6836 (_mm256_permute2_ps): Likewise.
6837 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
6838 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
6839
6840 * config/i386/i386.c (ix86_builtins): Remove
6841 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
6842 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
6843 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
6844 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
6845 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
6846 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
6847 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
6848 __builtin_ia32_vpermil2ps256.
6849 (ix86_init_mmx_sse_builtins): Updated.
6850 (ix86_expand_args_builtin): Likewise.
6851
6852 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6853
6854 * pa.c (output_call): Relocate non-jump insns in the delay slot of
6855 long absolute calls when generating PA 2.0 code.
6856
6857 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
6858
6859 PR rtl-optimization/38583
6860 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
6861
6862 * params.def (ira-max-conflict-table-size): New.
6863
6864 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
6865
6866 * ira.h (ira_conflicts_p): New external definition.
6867
6868 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
6869 table. Report this. Return result of building.
6870 (ira_build_conflicts): Use ira_conflicts_p. Check result of
6871 building conflict table.
6872
6873 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
6874 (ira_color): Use ira_conflicts_p.
6875
6876 * global.c: Include ira.h.
6877 (pseudo_for_reload_consideration_p, build_insn_chain): Use
6878 ira_conflicts_p.
6879
6880 * Makefile.in (global.o): Add ira.h.
6881
6882 * ira-build.c (mark_all_loops_for_removal,
6883 propagate_some_info_from_allocno): New.
6884 (remove_unnecessary_allocnos): Call
6885 propagate_some_info_from_allocno.
6886 (remove_low_level_allocnos): New.
6887 (remove_unnecessary_regions): Add parameter. Call
6888 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
6889 parameter to remove_unnecessary_regions.
6890 (ira_build): Remove all regions but root if the conflict table was
6891 not built. Update conflict hard regs for allocnos crossing calls.
6892
6893 * ira.c (ira_conflicts_p): New global.
6894 (ira): Define and use ira_conflicts_p.
6895
6896 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6897 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
6898 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
6899
6900 2009-01-06 Ben Elliston <bje@au.ibm.com>
6901
6902 * gengtype-lex.l (YY_NO_INPUT): Define.
6903
6904 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
6905
6906 PR c/34911
6907 * c-common.c (handle_vector_size_attribute): Also reject
6908 BOOLEAN_TYPE types.
6909
6910 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
6911
6912 PR tree-optimization/38492
6913 * graphite.c (rename_map_elt, debug_rename_elt,
6914 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
6915 rename_map_elt_info, eq_rename_map_elts,
6916 get_new_name_from_old_name, bb_in_sese_p): Moved around.
6917 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
6918 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
6919 (sese_build_livein_liveouts): New.
6920 (new_sese, free_sese): New.
6921 (new_scop): Call new_sese.
6922 (free_scop): Call free_sese.
6923 (rename_variables_from_edge, rename_phis_end_scop): Removed.
6924 (register_old_new_names): Renamed register_old_and_new_names.
6925 (register_scop_liveout_renames, add_loop_exit_phis,
6926 insert_loop_close_phis, struct igp,
6927 default_liveout_before_guard, add_guard_exit_phis,
6928 insert_guard_phis, copy_renames): New.
6929 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
6930 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
6931 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
6932 (scop_adjust_phis_for_liveouts): New.
6933 (gloog): Call scop_adjust_phis_for_liveouts.
6934
6935 * graphite.h (struct sese): Documented. Added fields liveout,
6936 num_ver and livein.
6937 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
6938 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
6939 (struct scop): Added field liveout_renames.
6940 (SCOP_LIVEOUT_RENAMES): New.
6941
6942 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
6943
6944 PR tree-optimization/38510
6945 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
6946 (translate_clast): Call recompute_all_dominators before
6947 graphite_verify.
6948 (gloog): Call recompute_all_dominators before graphite_verify.
6949
6950 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
6951 Jan Sjodin <jan.sjodin@amd.com>
6952
6953 PR tree-optimization/38500
6954 * graphite.c (create_sese_edges): Call fix_loop_structure after
6955 splitting blocks.
6956
6957 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
6958
6959 * config.gcc: Add m32r*-*-rtems*.
6960 * config/m32r/rtems.h: New file.
6961
6962 2009-01-05 Ben Elliston <bje@au.ibm.com>
6963
6964 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
6965 (.po.pox): Likewise.
6966 (po/gcc.pot): Likewise.
6967
6968 2009-01-04 David S. Miller <davem@davemloft.net>
6969
6970 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
6971 (STARTING_FRAME_OFFSET): Always set to zero.
6972
6973 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
6974
6975 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
6976 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
6977 fixed-point types, and vectors of the same.
6978
6979 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
6980
6981 * config/mips/sync.md (*mb_barrier): Rename to...
6982 (*memory_barrier): ...this.
6983
6984 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
6985
6986 * doc/extend.texi (Function Attributes): Move @cindex after @item
6987 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
6988 and put in alphabetical order. Fix 'target' name and put in order.
6989 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
6990 typos.
6991
6992 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
6993
6994 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
6995 (memory_barrier): Expand as unspec instead of unspec_volatile.
6996 Remove mem:BLK from insn operands. Use Pmode scratch register.
6997 (*memory_barrier): Define as unspec instead of unspec_volatile.
6998 Use (match_dup 0) as input operand.
6999
7000 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
7001 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
7002 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
7003 scratch register. Remove operand 1.
7004 (*stbar): Define as unspec instead of unspec_volatile.
7005 Use (match_dup 0) as input operand, remove (const_int 8).
7006 (*membar): Define as unspec instead of unspec_volatile.
7007 Use (match_dup 0) as input operand, remove input operand 2.
7008
7009 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
7010 (memory_barrier): Expand as unspec instead of unspec_volatile.
7011 Remove mem:BLK from insn operands. Use Pmode scratch register.
7012 (*memory_barrier): Define as unspec instead of unspec_volatile.
7013 Use (match_dup 0) as input operand.
7014
7015 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
7016 Remove mem:BLK from insn operands. Use Pmode scratch register.
7017 Set volatile flag on operand 0.
7018 (*memory_barrier): New insn pattern.
7019
7020 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
7021 insn operands.
7022 (*memory_barrier): Use (match_dup 0) as input operand.
7023
7024 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
7025 Remove mem:BLK from insn operands. Use Pmode scratch register.
7026 Set volatile flag on operand 0.
7027 (*mb_internal): New insn pattern.
7028
7029 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
7030
7031 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
7032
7033 PR middle-end/38586
7034 * function.c (struct temp_slot): Move to the section of the file
7035 that deals with temp slots. Remove field 'address'.
7036 (temp_slot_address_table): New hash table of address -> temp slot.
7037 (struct temp_slot_address_entry): New struct, items for the table.
7038 (temp_slot_address_compute_hash, temp_slot_address_hash,
7039 temp_slot_address_eq, insert_temp_slot_address): Support functions
7040 for the new table.
7041 (find_temp_slot_from_address): Rewrite to use the new hash table.
7042 (remove_unused_temp_slot_addresses): Remove addresses of temp
7043 slots that have been made available.
7044 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
7045 worker function for remove_unused_temp_slot_addresses.
7046 (assign_stack_temp_for_type): Don't clear the temp slot address list.
7047 Add the temp slot address to the address -> temp slot map.
7048 (update_temp_slot_address): Update via insert_temp_slot_address.
7049 (free_temp_slots): Call remove_unused_temp_slot_addresses.
7050 (pop_temp_slots): Likewise.
7051 (init_temp_slots): Allocate the address -> temp slot map, or empty
7052 the map if it is already allocated.
7053 (prepare_function_start): Initialize temp slot processing.
7054
7055 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
7056
7057 PR middle-end/38584
7058 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
7059 Calculate the size of all stack vars assuming no packing of stack
7060 vars will happen, replacing a quadratic algorithm with a linear one.
7061
7062 2009-01-03 Jakub Jelinek <jakub@redhat.com>
7063
7064 PR target/38707
7065 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
7066 can't be used.
7067
7068 2009-01-03 Diego Novillo <dnovillo@google.com>
7069
7070 * doc/contrib.texi: Update contributions.
7071
7072 2009-01-03 Jakub Jelinek <jakub@redhat.com>
7073
7074 PR c++/38705
7075 * builtins.c (fold_builtin_memory_op): Give up if either operand
7076 is volatile. Set srctype or desttype to non-qualified version
7077 of the other type.
7078
7079 PR c/38700
7080 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
7081 and FUNCTION_DECLs.
7082
7083 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
7084
7085 PR rtl-optimization/35805
7086 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
7087 problem if fast dce is able to remove any instructions.
7088 * dce.c (dce_process_block): Fix dump message.
7089
7090 2009-01-02 Mark Mitchell <mark@codesourcery.com>
7091
7092 PR 33649
7093 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
7094
7095 2009-01-02 Jakub Jelinek <jakub@redhat.com>
7096
7097 PR middle-end/38690
7098 * tree-flow.h (op_code_prio, op_prio): New prototypes.
7099 * tree-pretty-print.c (op_code_prio): New function.
7100 (op_prio): No longer static. Use op_code_prio.
7101 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
7102 Use op_prio and op_code_prio to determine if () should be
7103 printed around operand(s) or not.
7104
7105 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
7106 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
7107 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
7108 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
7109 pp_character instead of pp_string for single letter printing.
7110
7111 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
7112
7113 * doc/extend.texi: Fix '#pragma GCC option' typo.
7114
7115 2009-01-02 Richard Guenther <rguenther@suse.de>
7116
7117 * doc/install.texi (--enable-checking): Mention different
7118 default for stage1.
7119 (--enable-stage1-checking): Document.
7120
7121 2009-01-01 Andrew Pinski <pinskia@gmail.com>
7122
7123 PR middle-end/30142
7124 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
7125 case to be an error.
7126
7127 2009-01-02 Ben Elliston <bje@au.ibm.com>
7128
7129 * config/fp-bit.h (pack_d): Constify argument.
7130 * config/fp-bit.c (makenan): Constify return type. Remove casts.
7131 (isnan): Constify argument.
7132 (isinf): Likewise.
7133 (iszero): Likewise.
7134 (pack_d): Likewise.
7135 (_fpadd_parts): Constify return type.
7136 (_fpmul_parts): Likewise.
7137 (_fpdiv_parts): Likewise.
7138
7139 2009-01-01 Jakub Jelinek <jakub@redhat.com>
7140
7141 PR c/36489
7142 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
7143 warn about overwriting initializer with side-effects or
7144 -Woverride-init if !IMPLICIT.
7145 (output_init_element): Likewise. Pass IMPLICIT down to
7146 add_pending_init.
7147 (process_init_element): Add IMPLICIT argument. Pass it down
7148 to output_init_element.
7149 (push_init_element, pop_init_level, set_designator): Adjust
7150 process_init_element callers.
7151 (set_nonincremental_init, set_nonincremental_init_from_string):
7152 Adjust add_pending_init callers.
7153 (output_pending_init_elements): Adjust output_init_element callers.
7154 * c-tree.h (process_init_element): Adjust prototype.
7155 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
7156 process_init_element callers.