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Fix from Dave Korn in case a backend does not declare any define_register_constraints
[thirdparty/gcc.git] / gcc / ChangeLog
1 2009-04-30 Dave Korn <dave.korn.cygwin@gmail.com>
2
3 * ira.c (setup_cover_and_important_classes): Use safe macro
4 REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
5 directly.
6 * genpreds.c (write_tm_preds_h): Output suitable definition of
7 REG_CLASS_FOR_CONSTRAINT.
8
9 2009-04-30 Rafael Avila de Espindola <espindola@google.com>
10
11 * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
12 instead of an int.
13 * bitmap.c (bitmap_descriptor): Likewise.
14 * ggc-common.c (loc_descriptor): Likewise.
15 * varray.c (varray_descriptor): Likewise.
16 * vec.c (vec_descriptor): Likewise.
17
18 2009-04-30 Eric Botcazou <ebotcazou@adacore.com>
19
20 * Makefile.in (dce.o): Add $(EXCEPT_H).
21 * dce.c: Include except.h and delete redundant vector definitions.
22 (deletable_insn_p): Return false for non-call insns that can throw
23 if DF is running.
24
25 2009-04-30 Steven Bosscher <steven@gcc.gnu.org>
26
27 * gcse.c (ae_gen): Remove.
28 (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
29 and make non-static function to make it available in store-motion.c.
30 Update call sites with search-and-replace.
31 (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
32 extract_mentioned_regs, extract_mentioned_regs_helper,
33 find_moveable_store, compute_store_table, load_kills_store, find_loads,
34 store_killed_in_insn, store_killed_after, store_killed_before,
35 build_store_vectors, insert_insn_start_basic_block, insert-store,
36 remove_reachable_equiv_notes, replace_store_insn, delete_store,
37 free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
38 execute_rtl_store_motion, pass_rtl_store_motion): Move to...
39 * store-motion.c: ...new file. Also copy data structures from gcse.c
40 and clean up to remove parts not used by store motion.
41 * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
42 * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
43
44 2009-04-30 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
45
46 PR target/38571
47 * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
48 when optimizing for size.
49
50 2009-04-30 Hans-Peter Nilsson <hp@axis.com>
51
52 * gcse.c (gcse_constant_p): Fix typo in last change.
53
54 2009-04-30 Rafael Avila de Espindola <espindola@google.com>
55
56 * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
57
58 2009-04-30 Andreas Krebbel <krebbel1@de.ibm.com>
59
60 * gcse.c (gcse_constant_p): Make sure the constant is sharable.
61
62 2009-04-29 James E. Wilson <wilson@codesourcery.com>
63
64 * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
65 CONST_HIGH_PART result.
66
67 2009-04-29 Anatoly Sokolov <aesok@post.ru>
68
69 * config/avr/avr.c (initial_elimination_offset): Rename to
70 avr_initial_elimination_offset.
71 (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
72 change return type to bool.
73 (avr_can_eliminate): New function.
74 * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
75 (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
76 (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
77 * config/avr/avr-protos.h (initial_elimination_offset) : Rename to
78 avr_initial_elimination_offset.
79 (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
80 (avr_initial_elimination_offset): Define.
81
82 2009-04-29 Eric Botcazou <ebotcazou@adacore.com>
83 Steven Bosscher <steven@gcc.gnu.org>
84
85 PR rtl-optimization/39938
86 * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
87 * cfgrtl.c: Include insn-attr.h.
88 (rest_of_pass_free_cfg): New function.
89 (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
90 * resource.c (init_resource_info): Remove call to df_analyze.
91
92 2009-04-29 Richard Guenther <rguenther@suse.de>
93
94 PR target/39943
95 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
96 allow conversion to signed integers.
97
98 2009-04-29 Richard Guenther <rguenther@suse.de>
99
100 * tree-cfg.c (verify_gimple_assign_binary): Allow vector
101 shifts of floating point vectors if the shift amount is
102 a constant multiple of the element size.
103
104 2009-04-29 Andreas Krebbel <krebbel1@de.ibm.com>
105 Michael Matz <matz@suse.de>
106
107 PR middle-end/39927
108 PR bootstrap/39929
109 * tree-outof-ssa.c (emit_partition_copy): New function.
110 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
111 insert_part_to_rtx_on_edge): Perform the partition base var
112 copy using emit_partition_copy.
113 (insert_value_copy_on_edge): Convert constants to the right mode.
114 (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
115 (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
116
117 2009-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
118
119 * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
120 scan backwards to try to find a constant to initialize it.
121
122 * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
123 insn before the loop_end instruction, don't look past labels.
124
125 2009-04-29 Richard Guenther <rguenther@suse.de>
126
127 PR middle-end/39937
128 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
129 loose type conversions.
130 (forward_propagate_addr_expr): Fix tuplification bug. Remove
131 stmts only if there are no uses of its definition.
132
133 2009-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
134
135 * config/bfin/bfin.h (splitting_loops): Declare.
136 * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
137 Reorder bit definitions to be ascending.
138 (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
139 * config/bfin/bfin.c (splitting_loops): New variable.
140 (bfin_cpus): Add WA_LOAD_LCREGS as needed.
141 (struct loop_info): Remove members INIT and LOOP_INIT.
142 (bfin_optimize_loop): Don't set them. Reorder the code that generates
143 the LSETUP sequence. Allow LC to be loaded from any register, but also
144 add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
145 (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
146 set to 1.
147 * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
148 of reload_completed.
149 From Jie Zhang:
150 * config/bfin/bfin.md (movsi_insn): Refine constraints.
151
152 2009-04-29 Rafael Avila de Espindola <espindola@google.com>
153
154 * Makefile.in (PLUGIN_VERSION_H): New.
155 (OBJS-common): Remove plugin-version.o.
156 (plugin.o): Depend on (PLUGIN_VERSION_H).
157 (plugin-version.o): Remove.
158 * configure: Regenerate
159 * configure.ac: Create plugin-version.h.
160 * gcc-plugin.h (plugin_gcc_version): Remove.
161 (plugin_default_version_check): Change signature.
162 * plugin-version.c: Remove.
163 * plugin.c: Include plugin-version.h.
164 (str_plugin_gcc_version_name): Remove.
165 (try_init_one_plugin): Pass gcc version to plugin_init.
166 (plugin_default_version_check): Both gcc and plugin versions are now
167 arguments.
168
169 2009-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
170
171 * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
172 problematic last insns. Test for TYPE_CALL rather than CALL_P.
173 Remove special case testing for last insn of inner loops. Don't fail if
174 the loop ends with a jump, emit an extra nop instead.
175
176 * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
177 DREGS rather than comparing directly. Remove code that tries to
178 account for latencies.
179
180 2009-04-29 Richard Guenther <rguenther@suse.de>
181
182 PR tree-optimization/39941
183 * tree-ssa-pre.c (eliminate): Schedule update-ssa after
184 eliminating an indirect call.
185
186 2009-04-29 Richard Guenther <rguenther@suse.de>
187
188 * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
189 parameter. Allow invariants as base if !require_lvalue.
190 (verify_gimple_assign_single): Adjust.
191
192 2009-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
193
194 * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
195 (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
196 ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3, ssubhi3,
197 ssaddhi3_parts and sssubhi3_parts.
198 (flag_mulhi3_parts): Produce a HImode output rather than trying to set
199 a VEC_SELECT.
200 * config/bfin/bfin.c (bfin_expand_builtin, case BFIN_BUILTIN_CPLX_SQU):
201 Adjust accordingly.
202
203 2009-04-28 Richard Guenther <rguenther@suse.de>
204
205 * tree-vect-loop.c (get_initial_def_for_induction): Use
206 correct types for pointer increment.
207
208 2009-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
209
210 * toplev.c (print_version): Update GMP version string calculation.
211
212 2009-04-28 Eric Botcazou <ebotcazou@adacore.com>
213
214 PR rtl-optimization/39938
215 * resource.c (init_resource_info): Add call to df_analyze.
216
217 2009-04-28 Uros Bizjak <ubizjak@gmail.com>
218
219 * config/alpha/alpha.md (usegp): Cast the result of
220 alpha_find_lo_sum_using_gp to enum attr_usegp.
221 * config/alpha/alpha.c (override_options): Remove end-of-structure
222 marker element from cpu_table. Use array size of cpu_table to handle
223 -mcpu and -mtune options.
224 (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
225
226 2009-04-28 Joseph Myers <joseph@codesourcery.com>
227
228 * config.gcc (powerpc*-*-* | rs6000-*-*): Add
229 rs6000/option-defaults.h to tm_file. Support cpu_32, cpu_64,
230 tune_32 and tune_64.
231 * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
232 support on PowerPC.
233 * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
234 * config/rs6000/option-defaults.h: ... here. New file.
235 (OPT_64, OPT_32): Define.
236 (MASK_64BIT): Define to 0 if not already defined.
237 (OPT_ARCH64, OPT_ARCH32): Define.
238 (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
239 and tune_64.
240
241 2009-04-28 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
242
243 * config/arm/arm.c (arm_override_options): Emit error on using
244 fpa with AAPCS.
245
246 2009-04-28 Uros Bizjak <ubizjak@gmail.com>
247
248 PR rtl-optimization/39914
249 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
250 registers for allocnos created from user-defined variables only
251 when not optimizing.
252
253 2009-04-28 Richard Guenther <rguenther@suse.de>
254
255 PR middle-end/39937
256 * fold-const.c (fold_binary): Use distribute_real_division only
257 on float types.
258
259 2009-04-28 Steve Ellcey <sje@cup.hp.com>
260
261 * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
262 add hpux-stdint.h to tm_file.
263 (hppa[12]*-*-hpux11*): Ditto.
264 (ia64*-*-hpux*): Ditto.
265 * config/hpux-stdint.h: New.
266 * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
267 __STDC_EXT__ for all compiles.
268 * config/pa/pa-hpux.h: Ditto.
269 * config/pa/pa-hpux10.h: Ditto.
270 * config/pa/pa-hpux11.h: Ditto.
271
272 2009-04-28 Catherine Moore <clm@codesourcery.com>
273
274 * debug.h (set_name): Add comment.
275
276 2009-04-28 Andrew Pinski <pinskia@gmail.com>
277
278 PR target/39929
279 * config/darwin.c (machopic_gen_offset): Check
280 currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
281 * config/arm/arm.c (require_pic_register): Likewise.
282
283 2009-04-28 Paolo Bonzini <bonzini@gnu.org>
284
285 * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
286 m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
287 m32c_promote_prototypes): Delete.
288
289 2009-04-28 Michael Matz <matz@suse.de>
290
291 PR middle-end/39922
292 * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
293 constants.
294
295 2009-04-28 Richard Guenther <rguenther@suse.de>
296
297 * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
298
299 2009-04-28 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
300
301 * config/arm/arm-cores.def: Add support for arm1156t2f-s.
302 * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
303 * config/arm/arm-tune.md: Regenerate.
304
305 2009-04-28 Alexander Monakov <amonakov@ispras.ru>
306
307 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
308 block if there are complex incoming edges.
309 (sel_merge_blocks): Remove useless assert.
310 (sel_redirect_edge_and_branch): Check that edge was redirected.
311 * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
312 (sel_find_rgns): Delete declaration.
313 * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
314 the region when it is not a preheader.
315
316 2009-04-28 Uros Bizjak <ubizjak@gmail.com>
317
318 PR c/39323
319 * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
320
321 2009-04-28 Richard Guenther <rguenther@suse.de>
322
323 * tree.h (SSA_NAME_VALUE): Remove.
324 (struct tree_ssa_name): Remove value_handle member.
325 * tree-vrp.c (execute_vrp): Initialize/free the value-handle
326 array for jump threading.
327 * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
328 SSA_NAME_VALUEs.
329 * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
330 * tree-flow.h (threadedge_initialize_values): Declare.
331 (threadedge_finalize_values): Likewise.
332 * tree-ssa-threadedge.c (ssa_name_values): New global variable.
333 (SSA_NAME_VALUE): Define.
334 (threadedge_initialize_values): New function.
335 (threadedge_finalize_values): Likewise.
336 * tree-ssa-dom.c (ssa_name_values): New global variable.
337 (SSA_NAME_VALUE): Define.
338 (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
339
340 2009-04-28 Ira Rosen <irar@il.ibm.com>
341
342 * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
343 Use REPORT_VECTORIZED_LOCATIONS instead
344 REPORT_VECTORIZED_LOOPS.
345 * tree-vectorizer.c (vect_verbosity_level): Make static.
346 (vect_loop_location): Rename to vect_location.
347 (vect_set_verbosity_level): Update comment.
348 (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
349 and vect_location.
350 (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
351 and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
352 instead REPORT_UNVECTORIZED_LOOPS.
353 * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def and
354 vect_loop_def to vect_external_def and vect_internal_def.
355 (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
356 and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and
357 REPORT_UNVECTORIZED_LOCATIONS.
358 (enum vect_relevant): Update comment. Rename vect_unused_in_loop
359 and vect_used_in_loop and to vect_unused_in_scope and
360 vect_used_in_scope.
361 (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
362 (vect_verbosity_level): Remove declaration.
363 (vect_analyze_operations): Likewise.
364 (vect_analyze_stmt): Declare.
365 * tree-vect-loop.c (vect_determine_vectorization_factor): Use
366 REPORT_UNVECTORIZED_LOCATIONS.
367 (vect_get_loop_niters): Fix indentation.
368 (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
369 (vect_analyze_loop_operations): New function.
370 (vect_analyze_loop): Call vect_analyze_loop_operations instead of
371 vect_analyze_operations.
372 (vect_is_simple_reduction): Use new names.
373 (vectorizable_live_operation, vect_transform_loop): Likewise.
374 * tree-vect-data-refs.c (vect_check_interleaving): Add a return value to
375 specify whether the data references can be a part of interleaving chain.
376 (vect_analyze_data_ref_dependence): Use new names.
377 (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
378 (vect_create_addr_base_for_vector_ref): Remove redundant code.
379 * tree-vect-patterns.c (widened_name_p): Use new names.
380 (vect_recog_dot_prod_pattern): Likewise.
381 * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
382 (process_use, vect_mark_stmts_to_be_vectorized,
383 vect_model_simple_cost, vect_model_store_cost,
384 vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
385 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
386 vectorizable_operation, vectorizable_type_demotion,
387 vectorizable_type_promotion, vectorizable_store, vectorizable_load,
388 vectorizable_condition): Likewise.
389 (vect_analyze_operations): Split into vect_analyze_loop_operations
390 and ...
391 (vect_analyze_stmt): ... new function.
392 (new_stmt_vec_info): Use new names.
393 (vect_is_simple_use): Use new names and fix comment.
394 * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
395 (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
396
397 2009-04-28 Uros Bizjak <ubizjak@gmail.com>
398
399 PR target/39911
400 * config/i386/i386.c (print_operand) ['Z']: Handle floating point
401 and integer modes for x87 operands. Do not ICE for unsupported size,
402 generate error instead. Generate error for unsupported operand types.
403 ['z']: Do not handle HImode memory operands specially. Warning
404 for floating-point operands. Fallthru to 'Z' for unsupported operand
405 types. Do not ICE for unsupported size, generate error instead.
406 (output_387_binary_op): Use %Z to output operands.
407 (output_fp_compare): Ditto.
408 (output_387_reg_move): Ditto.
409
410 2009-04-28 Ben Elliston <bje@au.ibm.com>
411
412 PR c++/35652
413 Revert:
414
415 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
416
417 * builtins.c (c_strlen): Do not warn here.
418 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
419 * c-common.c (pointer_int_sum): Take an explicit location.
420 Warn about offsets out of bounds.
421 * c-common.h (pointer_int_sum): Adjust declaration.
422
423 2009-04-27 Ian Lance Taylor <iant@google.com>
424
425 * collect2.c (is_ctor_dtor): Change type of ret field in struct
426 names to symkind.
427 * dce.c (run_fast_df_dce): Change type of old_flags to int.
428 * df-core.c (df_set_flags): Change return type to int. Change
429 type of old_flags to int.
430 (df_clear_flags): Likewise.
431 * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
432 (df_get_conditional_uses): Likewise.
433 * df.h (df_set_flags, df_clear_flags): Update declarations.
434 * dwarf2out.c (struct indirect_string_node): Change type of form
435 field to enum dwarf_form.
436 (AT_string_form): Change return type to enum dwarf_form.
437 * fixed-value.c (fixed_compare): Add cast to enum type.
438 * fwprop.c (update_df): Change 0 to VOIDmode.
439 * gensupport.c: Change 0 to UNKNOWN.
440 * gimple.h (gimple_cond_code): Add cast to enum type.
441 * haifa-sched.c (reemit_notes): Add cast to enum type.
442 * hooks.c (hook_int_void_no_regs): Remove function.
443 * hooks.h (hook_int_void_no_regs): Remove declaration.
444 * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
445 * predict.c (combine_predictions_for_insn): Add casts to enum type.
446 * real.c (real_arithmetic): Add cast to enum type.
447 (real_compare): Likewise.
448 * target.h (struct gcc_target): Change return type of
449 branch_target_register_class to enum reg_class.
450 * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
451 default_branch_target_register_class.
452 * targhooks.c (default_branch_target_register_class): New function.
453 * targhooks.h (default_branch_target_register_class): Declare.
454 * tree-data-ref.c (print_direction_vector): Add cast to enum type.
455 * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
456 cast to int.
457 * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
458 ERROR_MARK.
459 * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
460 vect_uninitialized_def. Change 0 to ERROR_MARK.
461 * tree-vect-stmts.c (supportable_widening_operation): Don't
462 initialize icode1 and icode2.
463 * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
464 * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
465 and to STD_C89.
466 (cmn_err_flag_specs): Change 0 to STD_C89.
467 (cmn_err_char_table): Likewise.
468 * config/arm/arm.c (get_arm_condition_code): Change type of code
469 to enum arm_cond_code.
470 (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
471 (IWMMXT_BUILTIN2): Likewise.
472 (neon_builtin_type_bits): Don't define typedef.
473 (neon_builtin_datum): Change type of bits field to int.
474 (arm_expand_neon_args): Add cast to enum type.
475 * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
476 TLS_MODEL_NONE.
477 * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN. Add
478 casts to enum type.
479 * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
480 MIPS_FP_COND_f.
481 * config/mips/mips.md (jal_macro): Return enum constant.
482 (single_insn): Likewise.
483 * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
484 CODE_FOR_nothing.
485 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
486 casts to enum type.
487 * config/s390/s390.c (s390_tune_flags): Change type to int.
488 (s390_arch_flags): Likewise.
489 (s390_handle_arch_option): Change flags field of struct pta to int.
490 * config/s390/s390.h (s390_tune_flags): Update declaration.
491 (s390_arch_flags): Likewise.
492 * config/sh/sh.c (prepare_move_operands): Compare
493 tls_symbolic_operand result with enum constant.
494 (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
495 (sh_expand_prologue): Add cast to enum type.
496 (sh_expand_epilogue): Likewise.
497 (tls_symbolic_operand): Change return type to enum tls_model.
498 (fpscr_set_from_mem): Add cast to enum type.
499 (legitimize_pic_address): Compare tls_symbolic_operand result with
500 enum constant.
501 (sh_target_reg_class): Change return type to enum reg_class.
502 * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
503 PROCESSOR_xxx.
504 * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
505 * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
506 * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
507 (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
508 (delayed_branch, tls_call_delay): Likewise.
509 (eligible_for_sibcall_delay): Likewise.
510 (eligible_for_return_delay): Likewise.
511 * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
512 (spu_expand_builtin_1): Likewise.
513
514 * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
515 for all types of conversions.
516 (output_init_element): Issue -Wc++-compat warning if needed when
517 initializing a bitfield with enum type.
518 * c-parser.c (c_parser_expression): Set original_type to
519 original_type of right hand operand of comman operator.
520
521 2009-04-27 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
522
523 * doc/c-tree.texi (Types, Functions, Expression trees): Fix
524 grammar nits.
525 * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
526 * doc/cpp.texi (Standard Predefined Macros)
527 (Implementation-defined behavior): Likewise.
528 * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
529 * doc/gimple.texi (GIMPLE Exception Handling)
530 (@code{GIMPLE_ASSIGN}): Likewise.
531 * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
532 * doc/invoke.texi (Warning Options, Optimize Options)
533 (AVR Options, Darwin Options): Likewise.
534 (Optimize Options): Reformulate -fwhole-program description.
535 * doc/loop.texi (Lambda): Likewise.
536 * doc/md.texi (Output Template, Define Constraints)
537 (Standard Names, Insn Splitting): Likewise.
538 * doc/options.texi (Option properties): Likewise.
539 * doc/passes.texi (Tree-SSA passes): Likewise.
540 * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
541 * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
542 (File Names and DBX): Likewise.
543 * doc/trouble.texi (Incompatibilities): Likewise.
544
545 2009-04-27 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
546
547 * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
548 instruction is correct.
549
550 2009-04-27 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
551
552 Allow non-constant arguments to conversion intrinsics.
553 * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
554 * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
555 * spu.c (print_operand): Handle 'v' and 'w'.
556 (exp2_immediate_p, spu_gen_exp2): Define.
557 * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
558 spu_convtf_1): Update parameter descriptions.
559 * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
560 * constraints.md ('v', 'w'): New.
561 * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
562 Remove.
563 (i2f, I2F): New define_mode_attr.
564 (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
565 floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
566 fixuns_truncv4sfv4si2): Update to use mode attribute.
567 (float<mode><i2f>2_mul, float<mode><i2f>2_div,
568 fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
569 floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
570 patterns for combine.
571
572 2009-04-27 Steven Bosscher <steven@gcc.gnu.org>
573
574 * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
575 (cprop, hoist, pre, store_motion): New debug counters.
576 * tree-pass.h (pass_tracer): Move to list of gimple passes, it
577 is not an RTL pass anymore.
578 (pass_profiling): Remove extern decl for pass removed in 2005.
579 (pass_gcse, pass_jump_bypass): Remove.
580 * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
581 to 0 for clean state.
582 * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
583 * cse.c (gate_handle_cse_after_global_opts,
584 rest_of_handle_cse_after_global_opts): New functions.
585 (pass_cse_after_global_opts): New pass, does local CSE.
586 * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
587 (TV_CPROP): New timevar.
588 * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
589 (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
590 (gcse_main, recompute_all_luids): Remove.
591 (compute_hash_table_work): Call max_reg_num instead of reading
592 max_gcse_regno.
593 (cprop_jump): Don't set run_jump_opt_after_gcse.
594 (constprop_register): Always allow to alter jumps.
595 (cprop_insn): Likewise.
596 (do_local_cprop): Likewise.
597 (local_cprop_pass): Likewise. Return non-zero if something changed.
598 (cprop): Remove function, fold interesting bits into one_cprop_pass.
599 (find_implicit_sets): Add note about missed optimization opportunity.
600 (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
601 pass_rtl_cprop execute function.
602 Don't bother tracking the pass number, each pass gets its own dumpfile
603 now anyway.
604 Always allow to alter jumpsand bypass jumps.
605 (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
606 will just find no suitable set.
607 (pre_edge_insert): Fix dumping, this function is for PRE only.
608 (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
609 pass_rtl_pre execute function.
610 (hoist_code): Return non-zero if something changed. Keep track of
611 substitutions and insertions for statistics gathering similar to PRE.
612 (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
613 called from the pass_rtl_hoist execute function. Show pass statistics.
614 (compute_store_table): Use max_reg_num directly instead of using the
615 formerly global max_gcse_regno.
616 (build_store_vectors): Likewise.
617 (replace_store_insn): Fix dumping.
618 (store_motion): Rename to ...
619 (one_store_motion_pass): ... this. Rewrite to be "the" STORE_MOTION
620 pass, called from the pass_rtl_store_motion execute function. Keep
621 track of substitutions and insertions for statistics gathering similar
622 to PRE.
623 (bypass_jumps): Remove, fold interesting bits into ...
624 (one_cprop_pass): ... this. Rewrite to be "the" CPROP pass, called
625 from the pass_rtl_cprop execute function.
626 (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
627 pass_jump_bypass): Remove.
628 (gate_handle_gcse, rest_of_handle_gcse): Remove.
629 (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
630 (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
631 (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
632 (gate_rtl_store_motion, execute_rtl_store_motion,
633 pass_rtl_store_motion): New.
634 * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
635 make it clear that -fcse-skip-blocks is a no-op for backward compat.
636 * passes.c (init_optimization_passes): Remove pass_gcse and
637 pass_jump_bypass. Schedule cprop, pre, hoist, cprop, store_motion,
638 and cse_after_global_opts in place of pass_gcse. Schedule cprop
639 instead of pass_jump_bypass.
640
641 2009-04-27 Richard Guenther <rguenther@suse.de>
642
643 PR middle-end/39928
644 * gimplify.c (gimplify_expr): If we are required to create
645 a temporary make sure it ends up as register.
646
647 2009-04-27 H.J. Lu <hongjiu.lu@intel.com>
648
649 PR target/39903
650 * config/i386/i386.c (construct_container): Don't call
651 gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
652 X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
653
654 2009-04-27 Michael Matz <matz@suse.de>
655
656 * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
657 (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
658 * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
659 (dump_replaceable_exprs): Take a bitmap.
660 * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
661 array.
662 (expand_gimple_basic_block): Likewise.
663 * tree-ssa-ter.c (struct temp_expr_table_d): Make
664 replaceable_expressions member a bitmap.
665 (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
666 (mark_replaceable): Likewise.
667 (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
668 * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
669
670 2009-04-27 Richard Guenther <rguenther@suse.de>
671
672 * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
673 (verify_stmts): Dispatch to gimple/type verification code.
674 * tree-inline.c (remap_gimple_op_r): Work around C++ FE
675 issue with call argument types.
676
677 2009-04-27 Michael Matz <matz@suse.de>
678
679 * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
680 (init_update_ssa, delete_update_ssa, update_ssa): Remove references
681 to above.
682
683 2009-04-27 Richard Sandiford <rdsandiford@googlemail.com>
684 Eric Botcazou <ebotcazou@adacore.com>
685
686 * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
687 a label's basic block.
688 (mark_target_live_regs): Tidy and rework obsolete comments.
689 Change back DF problem to LIVE. If a label starts a basic block,
690 assume that all registers that used to be live then still are.
691 (init_resource_info): If a label starts a basic block, set its
692 BLOCK_FOR_INSN accordingly.
693 (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
694
695 2009-04-27 Richard Guenther <rguenther@suse.de>
696
697 * tree-flow-inline.h (function_ann): Remove.
698 (get_function_ann): Likewise.
699 * tree-dfa.c (create_function_ann): Remove.
700 * tree-flow.h (struct static_var_ann_d): Remove.
701 (struct function_ann_d): Likewise.
702 (union tree_ann_d): Remove fdecl member.
703 (function_ann_t): Remove.
704 (function_ann, get_function_ann, create_function_ann): Remove
705 declarations.
706
707 2009-04-27 Uros Bizjak <ubizjak@gmail.com>
708
709 * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
710
711 2009-04-27 Jan Hubicka <jh@suse.cz>
712
713 * ipa-pure-const.c (struct funct_state_d): New fields
714 state_previously_known, looping_previously_known; remove
715 state_set_in_source.
716 (analyze_function): Use new fields.
717 (propagate): Avoid assumption that state_set_in_source imply
718 nonlooping.
719
720 * tree-ssa-loop-niter.c (finite_loop_p): New function.
721 * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
722 * cfgloop.h (finite_loop_p): Declare.
723
724 2009-04-26 Michael Matz <matz@suse.de>
725
726 * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
727
728 2009-04-26 Michael Matz <matz@suse.de>
729
730 * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
731 pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
732 * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
733 pass_mark_used_blocks): Remove.
734 * tree-optimize.c (pass_free_datastructures,
735 execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
736 * passes.c (init_optimization_passes): Don't call
737 pass_mark_used_blocks, remove dead code.
738
739 2009-04-26 H.J. Lu <hongjiu.lu@intel.com>
740
741 * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
742 * tree-ssa-live.h (register_ssa_partition): Likewise.
743
744 2009-04-26 Michael Matz <matz@suse.de>
745
746 Expand from SSA.
747 * builtins.c (fold_builtin_next_arg): Handle SSA names.
748 * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
749 * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
750 SSA names.
751 (compare_pairs): Swap cost comparison.
752 (coalesce_ssa_name): Don't use change_partition_var.
753 * tree-nrv.c (struct nrv_data): Add modified member.
754 (finalize_nrv_r): Set it.
755 (tree_nrv): Use it to update statements.
756 (pass_nrv): Require PROP_ssa.
757 * tree-mudflap.c (mf_decl_cache_locals,
758 mf_build_check_statement_for): Use make_rename_temp.
759 (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
760 * alias.c (find_base_decl): Handle SSA names.
761 * emit-rtl (set_reg_attrs_for_parm): Make non-static.
762 (component_ref_for_mem_expr): Don't leak SSA names into RTL.
763 * rtl.h (set_reg_attrs_for_parm): Declare.
764 * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
765 to "optimized", remove unused locals at finish.
766 (execute_free_datastructures): Make global, call
767 delete_tree_cfg_annotations.
768 (execute_free_cfg_annotations): Don't call
769 delete_tree_cfg_annotations.
770
771 * ssaexpand.h: New file.
772 * expr.c (toplevel): Include ssaexpand.h.
773 (expand_assignment): Handle SSA names the same as register variables.
774 (expand_expr_real_1): Expand SSA names.
775 * cfgexpand.c (toplevel): Include ssaexpand.h.
776 (SA): New global variable.
777 (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
778 (SSAVAR): New macro.
779 (set_rtl): New helper function.
780 (add_stack_var): Deal with SSA names, use set_rtl.
781 (expand_one_stack_var_at): Likewise.
782 (expand_one_stack_var): Deal with SSA names.
783 (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
784 before unique numbers.
785 (expand_stack_vars): Use set_rtl.
786 (expand_one_var): Accept SSA names, add asserts for them, feed them
787 to above subroutines.
788 (expand_used_vars): Expand all partitions (without default defs),
789 then only the local decls (ignoring those expanded already).
790 (expand_gimple_cond): Remove edges when jumpif() expands an
791 unconditional jump.
792 (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
793 or remove abnormal edges. Ignore insns setting the LHS of a TERed
794 SSA name.
795 (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
796 members of SA; deal with PARM_DECL partitions here; expand
797 all PHI nodes, free tree datastructures and SA. Commit instructions
798 on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
799 (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
800 info and statements at start, collect garbage at finish.
801 * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
802 (VAR_ANN_PARTITION) Remove.
803 (change_partition_var): Don't declare.
804 (partition_to_var): Always return SSA names.
805 (var_to_partition): Only accept SSA names.
806 (register_ssa_partition): Only check argument.
807 * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
808 member.
809 (delete_var_map): Don't free it.
810 (var_union): Only accept SSA names, simplify.
811 (partition_view_init): Mark only useful SSA names as used.
812 (partition_view_fini): Only deal with SSA names.
813 (change_partition_var): Remove.
814 (dump_var_map): Use ssa_name instead of partition_to_var member.
815 * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
816 basic blocks.
817 * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
818 (struct _elim_graph): New member const_dests; nodes member vector of
819 ints.
820 (set_location_for_edge): New static helper.
821 (create_temp): Remove.
822 (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
823 insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
824 (new_elim_graph): Allocate const_dests member.
825 (clean_elim_graph): Truncate const_dests member.
826 (delete_elim_graph): Free const_dests member.
827 (elim_graph_size): Adapt to new type of nodes member.
828 (elim_graph_add_node): Likewise.
829 (eliminate_name): Likewise.
830 (eliminate_build): Don't take basic block argument, deal only with
831 partition numbers, not variables.
832 (get_temp_reg): New static helper.
833 (elim_create): Use it, deal with RTL temporaries instead of trees.
834 (eliminate_phi): Adjust all calls to new signature.
835 (assign_vars, replace_use_variable, replace_def_variable): Remove.
836 (rewrite_trees): Only do checking.
837 (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
838 (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
839 init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
840 contains_tree_r, MAX_STMTS_IN_LATCH,
841 process_single_block_loop_latch, analyze_edges_for_bb,
842 perform_edge_inserts): Remove.
843 (expand_phi_nodes): New global function.
844 (remove_ssa_form): Take ssaexpand parameter. Don't call removed
845 functions, initialize new parameter, remember partitions having a
846 default def.
847 (finish_out_of_ssa): New global function.
848 (rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
849 don't reset in_ssa_p here, don't disable TER when mudflap.
850 (pass_del_ssa): Remove.
851 * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
852 partition members.
853 (execute_free_datastructures): Declare.
854 * Makefile.in (SSAEXPAND_H): New variable.
855 (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
856 * basic-block.h (commit_one_edge_insertion): Declare.
857 * passes.c (init_optimization_passes): Move pass_nrv and
858 pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
859 pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
860 * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
861 (redirect_branch_edge): Deal with super block when expanding, split
862 out jump patching itself into ...
863 (patch_jump_insn): ... here, new static helper.
864
865 2009-04-26 Michael Matz <matz@suse.de>
866
867 * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
868 beyond num_ssa_names.
869 * tree-ssa-ter.c (free_temp_expr_table): Likewise.
870 * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
871
872 2009-04-26 Jakub Jelinek <jakub@redhat.com>
873
874 PR inline-asm/39543
875 * fwprop.c (forward_propagate_asm): New function.
876 (forward_propagate_and_simplify): Propagate also into __asm, if it
877 doesn't increase the number of referenced registers.
878
879 PR c/39889
880 * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
881
882 2009-04-26 Jakub Jelinek <jakub@redhat.com>
883
884 * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
885 note_nonlocal_vla_type for nonlocal VLAs.
886 (note_nonlocal_vla_type, note_nonlocal_block_vlas,
887 contains_remapped_vars, remap_vla_decls): New functions.
888 (convert_nonlocal_reference_stmt): If not optimizing, call
889 note_nonlocal_block_vlas on GIMPLE_BIND block vars.
890 (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
891 if it wasn't found in var_map.
892 (finalize_nesting_tree_1): Call remap_vla_decls. If outermost
893 GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
894 to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
895 declare_vars.
896 * gimplify.c (nonlocal_vlas): New variable.
897 (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
898 referenced VLAs.
899 (gimplify_body): Create and destroy nonlocal_vlas.
900
901 * dwarf2out.c (loc_descr_plus_const): New function.
902 (build_cfa_aligned_loc, tls_mem_loc_descriptor,
903 mem_loc_descriptor, loc_descriptor_from_tree_1,
904 descr_info_loc, gen_variable_die): Use it.
905
906 * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
907 !TREE_STATIC VAR_DECLs.
908 * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
909 DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
910 (gen_variable_die): Likewise. Don't look at TREE_PRIVATE if
911 DECL_BY_REFERENCE is valid.
912 * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
913 for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
914 * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
915 Copy DECL_BY_REFERENCE.
916 (struct nesting_copy_body_data): New type.
917 (nesting_copy_decl): New function.
918 (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
919 if they have variable length.
920
921 2009-04-26 Michael Matz <matz@suse.de>
922
923 * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
924 mark new temporaries for renaming.
925
926 2009-04-26 Joseph Myers <joseph@codesourcery.com>
927
928 PR c/39581
929 * c-decl.c (global_bindings_p): Return negative value.
930 (c_variable_size): New. Based on variable_size from
931 stor-layout.c.
932 (grokdeclarator): Call c_variable_size not variable_size.
933
934 2009-04-26 Uros Bizjak <ubizjak@gmail.com>
935
936 * config/i386/i386.c (print_operand) ['z']: Fix typo.
937
938 2009-04-26 Kai Tietz <kai.tietz@onevision.com>
939
940 * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
941 Redefine it to just use mingw/include.
942 (ASM_SPEC): Rules for -m32 and -m64.
943 (LINK_SPEC): Use Likewise.
944 (SPEC_32): New define.
945 (SPEC_64): Likewise.
946 (SUB_LINK_SPEC): Likewise.
947 (MULTILIB_DEFAULTS): New define.
948 * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
949 Add multilib options.
950 (MULTILIB_DIRNAMES): Likewise.
951 (MULTILIB_OSDIRNAMES): Likewise.
952 (LIBGCC): Likewise.
953 (INSTALL_LIBGCC): Likewise.
954
955 2009-04-26 Joseph Myers <joseph@codesourcery.com>
956
957 PR c/39556
958 * c-tree.h (enum c_inline_static_type): New.
959 (record_inline_static): Declare.
960 * c-decl.c (struct c_inline_static, c_inline_statics,
961 record_inline_static, check_inline_statics): New.
962 (pop_file_scope): Call check_inline_statics.
963 (start_decl): Call record_inline_static instead of pedwarning
964 directly for static in inline function.
965 * c-typeck.c (build_external_ref): Call record_inline_static
966 instead of pedwarning directly for static referenced in inline
967 function.
968
969 2009-04-26 Steven Bosscher <steven@gcc.gnu.org>
970
971 * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
972 not new but only being rescanned.
973 * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
974 reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
975 alloc_reg_set_mem, free_reg_set_mem, record_one_set,
976 record_set_info, compute_set, grealloc): Remove.
977 (recompute_all_luids): New function.
978 (gcse_main): Don't compute sets, and don't do related memory
979 allocations/free-ing. If something changed before the end of the
980 pass, update LUIDs using recompute_all_luids.
981 (alloc_gcse_mem): Don't compute LUIDs. Don't allocate reg_set memory.
982 (free_gcse_mem): Don't free it either.
983 (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
984 Use the df insn LUIDs.
985 (load_killed_in_block): Likewise.
986 (compute_hash_table_work): Don't compute reg_set_in_block.
987 (compute_transp): Use DF_REG_DEF_CHAINs.
988 (local_cprop_pass): Don't use compute_sets and related functions.
989 (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
990 Use get_max_uid() instead of max_cuid.
991 (insert_insn_end_basic_block, pre_insert_copy_insn,
992 update_ld_motion_stores): Don't try to
993 keep reg_set tables up to date.
994 (pre_insert_copies): Use df insn LUIDs.
995 (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
996 (reg_set_info): Don't use extra bitmap argument.
997 (compute_store_table): Don't compute reg_set_in_block. Use DF scan
998 information to compute regs_set_in_block.
999 (free_store_memory, store_motion): Don't nullify reg_set_in_block.
1000 (bypass_jumps): Don't use compute_sets and friends.
1001
1002 2009-04-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1003
1004 PR testsuite/39710
1005 * opts.c (undocumented_msg): Do not leave blank even with
1006 ENABLE_CHECKING.
1007
1008 2009-04-25 Joseph Myers <joseph@codesourcery.com>
1009
1010 * c-decl.c (build_enumerator): Allow values folding to integer
1011 constants but not integer constant expressions with a pedwarn if
1012 pedantic.
1013
1014 2009-04-25 Joseph Myers <joseph@codesourcery.com>
1015
1016 PR c/39582
1017 * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
1018 with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
1019 type is an integer constant.
1020
1021 2009-04-25 Uros Bizjak <ubizjak@gmail.com>
1022
1023 PR target/39897
1024 * config/i386/i386.c (print_operand) ['z']: Revert handling of
1025 HImode operands.
1026
1027 2009-04-25 Joseph Myers <joseph@codesourcery.com>
1028
1029 PR c/39564
1030 * c-decl.c (grokdeclarator): Diagnose declarations of functions
1031 with variably modified return type and no storage class
1032 specifiers, except for the case of nested functions. Distinguish
1033 extern declarations of functions with variably modified return
1034 types from those of objects with variably modified types.
1035
1036 2009-04-25 Jan Hubicka <jh@suse.cz>
1037
1038 * tree.c (list_equal_p): New function.
1039 * tree.h (list_equal_p): Declare.
1040 * coretypes.h (edge_def, edge, const_edge, basic_block_def
1041 basic_block_def, basic_block, const_basic_block): New.
1042 * tree-eh.c (make_eh_edge): EH edges are not abnormal.
1043 (redirect_eh_edge): New function.
1044 (make_eh_edge_update_phi): EH edges are not abnormal.
1045 * except.c: Include tree-flow.h.
1046 (list_match): New function.
1047 (eh_region_replaceable_by_p): New function.
1048 (replace_region): New function.
1049 (hash_type_list): New function.
1050 (hash_eh_region): New function.
1051 (eh_regions_equal_p): New function.
1052 (merge_peers): New function.
1053 (remove_unreachable_regions): Verify EH tree when checking;
1054 merge peers.
1055 (copy_eh_region_1): New function.
1056 (copy_eh_region): New function.
1057 (push_reachable_handler): New function.
1058 (build_post_landing_pads, dw2_build_landing_pads): Be ready for
1059 regions without label but with live RESX.
1060 * except.h (redirect_eh_edge_to_label): New.
1061 * tree-flow.h (redirect_eh_edge): New.
1062 * coretypes.h (edge_def, edge, const_edge, basic_block_def
1063 basic_block_def, basic_block, const_basic_block): Remove.
1064 * Makefile.in (except.o): Add dependency on tree-flow.h
1065 * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
1066 * basic-block.h (edge, const_edge, basic_block, const_basic_block):
1067 Remove.
1068
1069 2009-04-25 Eric Botcazou <ebotcazou@adacore.com>
1070
1071 PR bootstrap/39645
1072 * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
1073 on the destination of memcpy.
1074
1075 2009-04-25 Paolo Bonzini <bonzini@gnu.org>
1076
1077 * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
1078 REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
1079 REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
1080
1081 2009-04-25 Jan Hubicka <jh@suse.cz>
1082
1083 * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
1084 (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
1085 to be reached by different label than left.
1086 (update_eh_edges): Update comment; remove edge_to_remove if possible
1087 and return true if suceeded.
1088 (cleanup_empty_eh): Accept sharing map; handle shared regions.
1089 (cleanup_eh): Compute sharing map.
1090 * except.c (remove_eh_handler_and_replace): Add argument if we should
1091 update regions.
1092 (remove_unreachable_regions): Update for label sharing.
1093 (label_to_region_map): Likewise.
1094 (get_next_region_sharing_label): New function.
1095 (remove_eh_handler_and_replace): Add update_catch_try parameter; update
1096 prev_try pointers.
1097 (remove_eh_handler): Update.
1098 (remove_eh_region_and_replace_by_outer_of): New function.
1099 * except.h (struct eh_region): Add next_region_sharing_label.
1100 (remove_eh_region_and_replace_by_outer_of,
1101 get_next_region_sharing_label): Declare.
1102 * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
1103
1104 2009-04-25 Jan Hubicka <jh@suse.cz>
1105
1106 * tree-cfg.c (split_critical_edges): Split also edges where we can't
1107 insert code even if they are not critical.
1108
1109 2009-04-25 Jan Hubicka <jh@suse.cz>
1110
1111 * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
1112 (gimple_can_remove_branch_p): EH edges won't remove branch by
1113 redirection.
1114 * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
1115 updating of non-abnormal EH edges.
1116 * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
1117 (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
1118 (split_critical_edges): Split also edges where emitting code on them
1119 will lead to splitting later.
1120
1121 2009-04-25 Uros Bizjak <ubizjak@gmail.com>
1122 H.J. Lu <hongjiu.lu@intel.com>
1123
1124 PR target/39590
1125 * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
1126 the configured assembler supports fildq and fistpq mnemonics.
1127 (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
1128 * configure: Regenerated.
1129 * config.in: Ditto.
1130
1131 * config/i386/i386.c (print_operand): Handle 'Z'.
1132 ['z']: Remove handling of special fild/fist suffixes.
1133 (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
1134 * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
1135 suffix of fild insn.
1136 (*floatsi<mode>2_vector_mixed): Ditto.
1137 (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
1138 (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
1139 (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
1140 (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
1141 * config/i386/gas.h (GAS_MNEMONICS): Remove.
1142
1143 2009-04-25 Ben Elliston <bje@au.ibm.com>
1144
1145 * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
1146 the source of a set operation.
1147
1148 2009-04-25 Anatoly Sokolov <aesok@post.ru>
1149
1150 * target.h (struct gcc_target): Add case_values_threshold field.
1151 * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
1152 (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
1153 * targhooks.c (default_case_values_threshold): New function.
1154 * targhooks.h (default_case_values_threshold): Declare function.
1155 * stmt.c (expand_case): Use case_values_threshold target hook.
1156 * expr.h (case_values_threshold): Remove declartation.
1157 * expr.c (case_values_threshold): Remove function.
1158 * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
1159
1160 * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
1161 * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
1162 (avr_case_values_threshold): Declare as static.
1163 * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
1164
1165 * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
1166 * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
1167 (mn10300_case_values_threshold): New function.
1168
1169 2009-04-24 H.J. Lu <hongjiu.lu@intel.com>
1170
1171 * ira.c (setup_cover_and_important_classes): Add enum cast.
1172
1173 2009-04-24 Vladimir Makarov <vmakarov@redhat.com>
1174
1175 * genpreds.c (write_enum_constraint_num): Output definition of
1176 CONSTRAINT_NUM_DEFINED_P macro.
1177 * ira.c (setup_cover_and_important_classes): Use
1178 CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
1179
1180 2009-04-24 DJ Delorie <dj@redhat.com>
1181
1182 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
1183 __SH2A_SINGLE_ONLY__ also.
1184
1185 2009-04-24 Steve Ellcey <sje@cup.hp.com>
1186
1187 * config/ia64/ia64.md (movfs_internal): Allow flt constants.
1188 (movdf_internal): Ditto.
1189 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
1190 SFmode and DFmode constants.
1191 (ia64_print_operand): Add 'G' format for printing
1192 floating point constants.
1193
1194 2009-04-24 Richard Guenther <rguenther@suse.de>
1195
1196 * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
1197 from unsigned additions.
1198
1199 2009-04-24 Joseph Myers <joseph@codesourcery.com>
1200
1201 * c-typeck.c (set_init_index): Allow array designators that are
1202 not integer constant expressions with a pedwarn if pedantic.
1203
1204 2009-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1205
1206 * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
1207 zero if no overlap in nonzero bits between the operands.
1208
1209 2009-04-24 Ian Lance Taylor <iant@google.com>
1210
1211 * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
1212 (record_dead_and_set_regs): Likewise.
1213 * df.h (struct df_mw_hardreg): Change flags field to int.
1214 (struct df_base_ref): Likewise.
1215 (struct df): Change changeable_flags field to int.
1216 * df-scan.c (df_defs_record): Change clobber_flags to int.
1217 * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
1218 constants rather than #define macros.
1219 (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
1220 (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
1221 (enum dwarf_calling_convention): Likewise.
1222 (enum dwarf_line_number_x_ops): Likewise.
1223 (enum dwarf_call_frame_info): Likewise.
1224 (enum dwarf_source_language): Likewise.
1225 * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
1226 (add_calling_convention_attribute): Likewise.
1227 * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
1228 (combine_comparisons): Change compcode to int. Add cast to enum type.
1229 * genrecog.c (maybe_both_true_2): Change c to int.
1230 (write_switch): Likewise. Add cast to enum type.
1231 * gimplify.c (gimplify_omp_for): Handle return values from
1232 gimplify_expr using MIN rather than bitwise or.
1233 (gimplify_expr): Add cast to enum type.
1234 * ipa-prop.c (update_jump_functions_after_inlining): Change
1235 IPA_BOTTOM to IPA_JF_UNKNOWN.
1236 * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
1237 Add casts to enum type.
1238 (setup_cover_and_important_classes): Change cl to int. Add casts
1239 to enum type.
1240 (setup_class_translate): Change cl and mode to int.
1241 (ira_init_once): Change mode to int.
1242 (free_register_move_costs): Likewise.
1243 (setup_prohibited_mode_move_regs): Add casts to enum type.
1244 * langhooks.c (add_builtin_function_common): Rework assertion that
1245 value fits bitfield.
1246 * mcf.c (add_fixup_edge): Change type parameter to edge_type.
1247 * omega.c (omega_do_elimination): Avoid math on enum types.
1248 * optabs.c (expand_vec_shift_expr): Remove casts to int.
1249 * opts.c (set_debug_level): Change 2 to enum constant. Use new
1250 int local to handle integral_argment value.
1251 * regmove.c (try_auto_increment): Change PUT_MODE to
1252 PUT_REG_NOTE_KIND.
1253 * reload.c (push_secondary_reload): Add casts to enum type.
1254 (secondary_reload_class, find_valid_class): Likewise.
1255 * reload1.c (emit_input_reload_insns): Likewise.
1256 * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
1257 * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
1258 * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
1259 constant.
1260 * tree.c (build_common_builtin_nodes): Add casts to enum type.
1261 * tree-complex.c (complex_lattice_t): Typedef to int rather than
1262 enum type.
1263 (expand_complex_libcall): Add casts to enum type.
1264 * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
1265 * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
1266 with ERROR_MARK, not NUM_TREE_CODES.
1267 (vect_create_epilog_for_reduction): Likewise.
1268 (vectorizable_reduction): Don't initialize epiloc_reduc_code.
1269 When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
1270 * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
1271 enum machine_mode.
1272 * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
1273 vect_unused_in_loop. Change 0 to loop_vect.
1274 * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
1275 * var-tracking.c (get_init_value): Change return type to enum
1276 var_init_status.
1277 * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
1278 * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
1279 arm_fp_model.
1280 (arm_override_options): Add casts to enum type.
1281 (arm_emit_tls_decoration): Likewise.
1282 * config/i386/i386.c (ix86_function_specific_restore): Add casts
1283 to enum type.
1284 * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
1285 * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
1286 * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
1287 enum type.
1288 * config/s390/s390.c (code_for_builtin_64): Change to array of
1289 enum insn_code.
1290 (code_for_builtin_31): Likewise.
1291 (s390_expand_builtin): Change code_for_builtin to enum insn_code
1292 const *.
1293 * config/sparc/sparc.c (sparc_override_options): Change value
1294 field in struct code_model to enum cmodel. In initializer change
1295 0 to NULL and add cast to enum type.
1296
1297 * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
1298 Change all callers. Issue a -Wc++-compat warning using
1299 lhs_origtype if necessary.
1300 (convert_for_assignment): Issue -Wc++-compat warnings about
1301 invalid conversions to enum type on assignment.
1302 * c-common.h (build_modify_expr): Update declaration.
1303
1304 2009-04-24 Nick Clifton <nickc@redhat.com>
1305
1306 * config/iq2000/iq2000.c (function_arg): Handle TImode values.
1307 (function_arg_advance): Likewise.
1308 * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
1309 5th alternative.
1310
1311 2009-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
1312
1313 * config/s390/constraints.md ('I', 'J'): Fix condition.
1314
1315 2009-04-24 Diego Novillo <dnovillo@google.com>
1316
1317 * gengtype-parse.c (parse_error): Add newline after message.
1318
1319 2009-04-24 H.J. Lu <hongjiu.lu@intel.com>
1320
1321 * config/i386/sse.md (avxmodesuffixs): Removed.
1322 (*avx_pinsr<avxmodesuffixs>): Renamed to ...
1323 (*avx_pinsr<ssevecsize>): This.
1324
1325 2009-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1326
1327 * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
1328 follow chains of regs with a single definition, and allow expressions
1329 that are function_invariant_p.
1330 (simple_rhs_p): Allow expressions that are function_invariant_p.
1331
1332 2009-04-24 Paolo Bonzini <bonzini@gnu.org>
1333
1334 PR middle-end/39867
1335 * fold-const.c (fold_cond_expr_with_comparison): When folding
1336 > and >= to MAX, make sure the MAX uses the same type as the
1337 comparison's operands.
1338
1339 2009-04-24 Nick Clifton <nickc@redhat.com>
1340
1341 * config/frv/frv.c (frv_frame_access): Do not use reg+reg
1342 addressing for DImode accesses.
1343 (frv_print_operand_address): Handle PLUS case.
1344 * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
1345
1346 2009-04-24 Jakub Jelinek <jakub@redhat.com>
1347
1348 PR rtl-optimization/39794
1349 * alias.c (canon_true_dependence): Add x_addr argument.
1350 * rtl.h (canon_true_dependence): Adjust prototype.
1351 * cse.c (check_dependence): Adjust canon_true_dependence callers.
1352 * cselib.c (cselib_invalidate_mem): Likewise.
1353 * gcse.c (compute_transp): Likewise.
1354 * dse.c (scan_reads_nospill): Likewise.
1355 (record_store, check_mem_read_rtx): Likewise. For non-const-or-frame
1356 addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
1357 canon_base_addr of the group, plus optional offset.
1358 (struct group_info): Rename canon_base_mem to
1359 canon_base_addr.
1360 (get_group_info): Set canon_base_addr to canon_rtx of base, not
1361 canon_rtx of base_mem.
1362
1363 2009-04-23 Paolo Bonzini <bonzini@gnu.org>
1364
1365 * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
1366 Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
1367
1368 2009-04-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1369
1370 * config/spu/spu-builtins.h: Delete file.
1371
1372 * config/spu/spu.h (enum spu_builtin_type): Move here from
1373 spu-builtins.h.
1374 (struct spu_builtin_description): Likewise. Add GTY marker.
1375 Do not use enum spu_function_code or enum insn_code.
1376 (spu_builtins): Add extern declaration.
1377
1378 * config/spu/spu.c: Do not include "spu-builtins.h".
1379 (enum spu_function_code, enum spu_builtin_type_index,
1380 V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
1381 V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
1382 unsigned_V8HI_type_node, unsigned_V4SI_type_node,
1383 unsigned_V2DI_type_node): Move here from spu-builtins.h.
1384 (spu_builtin_types): Make static. Add GTY marker.
1385 (spu_builtins): Add extern declaration with GTY marker.
1386 Include "gt-spu.h".
1387
1388 * config/spu/spu-c.c: Do not include "spu-builtins.h".
1389 (spu_resolve_overloaded_builtin): Do not use spu_function_code.
1390 Check programmatically whether all parameters are scalar.
1391
1392 * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
1393
1394 2009-04-23 Eric Botcazou <ebotcazou@adacore.com>
1395
1396 * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
1397 assignment from the constructor either if the target is volatile.
1398
1399 2009-04-23 Daniel Jacobowitz <dan@codesourcery.com>
1400
1401 * config/arm/arm.md (insv): Do not share operands[0].
1402
1403 2009-04-23 Nathan Sidwell <nathan@codesourcery.com>
1404
1405 * config/vxlib-tls.c (active_tls_threads): Delete.
1406 (delete_hook_installed): New.
1407 (tls_delete_hook): Don't delete the delete hook.
1408 (tls_destructor): Delete it here.
1409 (__gthread_set_specific): Adjust installing the delete hook.
1410 (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
1411 __gthread_leave_tsd_dtor_context.
1412
1413 2009-04-23 Rafael Avila de Espindola <espindola@google.com>
1414
1415 * c-format.c (gcc_tdiag_char_table): Add support for %E.
1416
1417 2009-04-23 Uros Bizjak <ubizjak@gmail.com>
1418
1419 * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
1420 enum type.
1421 (alpha_rtx_costs): Ditto.
1422 (emit_unlikely_jump): Use add_reg_note.
1423 (emit_frame_store_1): Ditto.
1424 (alpha_expand_prologue): Ditto.
1425 (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
1426 * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
1427
1428 2009-04-23 Nick Clifton <nickc@redhat.com>
1429
1430 * config/v850/v850.md (epilogue): Remove suppressed code.
1431 (return): Rename to return_simple and remove test of frame size.
1432 * config/v850/v850.c (expand_epilogue): Rename call to gen_return
1433 to gen_return_simple.
1434
1435 2009-04-22 Jing Yu <jingyu@google.com>
1436
1437 PR testsuite/39781
1438 * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
1439
1440 2009-04-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
1441
1442 PR C/31499
1443 * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
1444 and RECORD_TYPE/UNION_TYPE. When outputing the actual element and the
1445 value is a VECTOR_CST, the element type is the element type of the
1446 vector.
1447
1448 2009-04-22 DJ Delorie <dj@redhat.com>
1449
1450 * config/m32c/m32c.h: Update GTY annotations to new syntax.
1451
1452 2009-04-22 Jakub Jelinek <jakub@redhat.com>
1453
1454 * alias.c (find_base_term): Move around LO_SUM case, so that
1455 CONST falls through into PLUS/MINUS handling.
1456
1457 PR c/39855
1458 * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
1459 into 0, use omit_one_operand.
1460
1461 2009-04-23 Ben Elliston <bje@au.ibm.com>
1462
1463 * config/rs6000/linux-unwind.h (get_regs): Remove type
1464 puns. Change the type of `pc' to an array of unsigned ints and
1465 update all users. Constify frame24.
1466
1467 2009-04-22 DJ Delorie <dj@redhat.com>
1468
1469 * config/m32c/m32c.c (m32c_special_page_vector_p): Move
1470 declarations before code.
1471 (current_function_special_page_vector): Likewise.
1472 (m32c_expand_insv): Silence a warning.
1473
1474 2009-04-21 Taras Glek <tglek@mozilla.com>
1475
1476 * alias.c: Update GTY annotations to new syntax.
1477 * basic-block.h: Likewise.
1478 * bitmap.h: Likewise.
1479 * c-common.h: Likewise.
1480 * c-decl.c: Likewise.
1481 * c-parser.c: Likewise.
1482 * c-pragma.c: Likewise.
1483 * c-tree.h: Likewise.
1484 * cfgloop.h: Likewise.
1485 * cgraph.h: Likewise.
1486 * config/alpha/alpha.c: Likewise.
1487 * config/arm/arm.h: Likewise.
1488 * config/avr/avr.h: Likewise.
1489 * config/bfin/bfin.c: Likewise.
1490 * config/cris/cris.c: Likewise.
1491 * config/darwin.c: Likewise.
1492 * config/frv/frv.c: Likewise.
1493 * config/i386/i386.c: Likewise.
1494 * config/i386/i386.h: Likewise.
1495 * config/i386/winnt.c: Likewise.
1496 * config/ia64/ia64.h: Likewise.
1497 * config/iq2000/iq2000.c: Likewise.
1498 * config/mips/mips.c: Likewise.
1499 * config/mmix/mmix.h: Likewise.
1500 * config/pa/pa.c: Likewise.
1501 * config/pa/pa.h: Likewise.
1502 * config/rs6000/rs6000.c: Likewise.
1503 * config/s390/s390.c: Likewise.
1504 * config/sparc/sparc.c: Likewise.
1505 * config/xtensa/xtensa.c: Likewise.
1506 * cselib.h: Likewise.
1507 * dbxout.c: Likewise.
1508 * dwarf2out.c: Likewise.
1509 * except.c: Likewise.
1510 * except.h: Likewise.
1511 * fixed-value.h: Likewise.
1512 * function.c: Likewise.
1513 * function.h: Likewise.
1514 * gimple.h: Likewise.
1515 * integrate.c: Likewise.
1516 * optabs.c: Likewise.
1517 * output.h: Likewise.
1518 * real.h: Likewise.
1519 * rtl.h: Likewise.
1520 * stringpool.c: Likewise.
1521 * tree-data-ref.c: Likewise.
1522 * tree-flow.h: Likewise.
1523 * tree-scalar-evolution.c: Likewise.
1524 * tree-ssa-address.c: Likewise.
1525 * tree-ssa-alias.h: Likewise.
1526 * tree-ssa-operands.h: Likewise.
1527 * tree.c: Likewise.
1528 * tree.h: Likewise.
1529 * varasm.c: Likewise.
1530 * varray.h: Likewise.
1531 * vec.h: Likewise.
1532 * coretypes.h: Do not define GTY macro if it is already defined.
1533 * doc/gty.texi: Update GTY documentation to new syntax.
1534 * gengtype-lex.l: Enforce attribute-like syntax for GTY
1535 annotations on structs.
1536 * gengtype-parse.c: Likewise.
1537
1538 2009-04-22 Mark Heffernan <meheff@google.com>
1539
1540 * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
1541
1542 2009-04-22 Kazu Hirata <kazu@codesourcery.com>
1543
1544 * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
1545 where appropriate.
1546
1547 2009-04-22 Kazu Hirata <kazu@codesourcery.com>
1548
1549 * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
1550 the same as a PLUS without a shift. Increase the cost of a
1551 CONST_INT in MULT.
1552
1553 2009-04-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1554
1555 * Makefile.in: Update dependencies.
1556 * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
1557 * errors.h: Remove bogus comment about compatibility.
1558 (warning): Update declaration.
1559 * genautomata.c: Update all calls to warning.
1560 * gimple.c: Do not include errors.h. Include toplev.h.
1561 * tree-ssa-structalias.c: Do not include errors.h.
1562 * omega.c: Likewise.
1563 * tree-ssa-reassoc.c: Likewise.
1564 * config/spu/spu-c.c: Likewise.
1565 * config/spu/t-spu-elf: Update dependencies.
1566
1567 2009-04-22 Richard Guenther <rguenther@suse.de>
1568
1569 PR tree-optimization/39824
1570 * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
1571 make sure the types are compatible.
1572
1573 2009-04-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1574
1575 PR c++/14875
1576 * c-common.c (c_parse_error): Take a token_flags parameter.
1577 Use token_type for the token type instead.
1578 Pass token_flags to cpp_type2name.
1579 * c-common.h (c_parse_error): Update declaration.
1580 * c-parser.c (c_parser_error): Pass 0 as token flags.
1581
1582 2009-04-22 Andrey Belevantsev <abel@ispras.ru>
1583
1584 PR rtl-optimization/39580
1585 * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert.
1586
1587 2009-04-22 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1588
1589 * function.c (expand_function_end): Do not emit a jump to the "naked"
1590 return label for fall-through returns.
1591 * except.c (sjlj_emit_function_exit): Always place the call to the
1592 unregister function at the location installed by expand_function_end.
1593
1594 2009-04-22 Richard Guenther <rguenther@suse.de>
1595
1596 PR tree-optimization/39845
1597 * tree-switch-conversion.c (build_arrays): Add new referenced vars.
1598 (gen_inbound_check): Likewise.
1599
1600 2009-04-22 Nathan Sidwell <nathan@codesourcery.com>
1601
1602 * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
1603 padding for PPC.
1604 (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
1605 * config/vxlib.c (__gthread_once): Add race guard for PPC.
1606
1607 2009-04-22 Paolo Bonzini <bonzini@gnu.org>
1608
1609 * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
1610 sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
1611 shift counts to avoid out-of-bounds array accesses.
1612
1613 2009-04-22 Paolo Bonzini <bonzini@gnu.org>
1614
1615 * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
1616 (Pmode): Move above.
1617
1618 2009-04-22 Uros Bizjak <ubizjak@gmail.com>
1619
1620 * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
1621 NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
1622 GET_CODE macro. Use IN_RANGE macro where appropriate.
1623 * config/alpha/alpha.h: Ditto.
1624 * config/alpha/alpha.md: Ditto.
1625 * config/alpha/constraints.md: Ditto.
1626 * config/alpha/predicates.md: Ditto.
1627
1628 2009-04-22 Paolo Bonzini <bonzini@gnu.org>
1629
1630 * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
1631 * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1632 * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1633 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1634 * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1635 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1636 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1637 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1638 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1639 * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1640 * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1641 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1642 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1643 * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1644 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1645 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1646 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1647 * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1648 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1649 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1650 * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1651 * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1652 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1653 * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1654 * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1655 * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1656 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1657
1658 2009-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1659
1660 * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
1661 references from comments.
1662 * cfgbuild.c: (count_basic_blocks): Delete.
1663 (find_basic_blocks_1): Delete.
1664 (find_basic_blocks): Delete.
1665 * except.c (finish_eh_generation): Make static. Move comment from
1666 except.h here. Remove find_basic_blocks references from comments.
1667 * except.h (finish_eh_generation): Delete.
1668 * basic-block.h (find_basic_blocks): Delete.
1669 * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
1670
1671 2009-04-22 Dave Korn <dave.korn.cygwin@gmail.com>
1672
1673 * sdbout.c (sdbout_symbol): Pass VOIDmode to eliminate_regs.
1674 (sdbout_parms): Likewise.
1675
1676 2009-04-21 Kaz Kojima <kkojima@gcc.gnu.org>
1677
1678 * config/sh/sh.c (prepare_cbranch_operands): Use
1679 LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
1680 (expand_cbranchdi4): Likewise.
1681 (from_compare): Add cast to enum type.
1682 (expand_cbranchsi4): Use add_reg_note.
1683 (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
1684 (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
1685 (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
1686 (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
1687 * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
1688 instead of CODE_FOR_nothing.
1689 (cbranchdi4): Likewise. Fix the order of arguments for
1690 gen_rtx_fmt_ee.
1691 (push_fpscr): Use add_reg_note.
1692 (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
1693 reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
1694
1695 2009-04-21 Joseph Myers <joseph@codesourcery.com>
1696
1697 * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
1698 ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
1699 ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
1700 ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
1701 ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
1702 FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
1703 config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
1704 config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
1705 config/alpha/x-vms, config/arc/t-arc,
1706 config/arm/README-interworking, config/arm/arm-c.c,
1707 config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
1708 config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
1709 config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
1710 config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
1711 config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
1712 config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
1713 config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
1714 config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
1715 config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
1716 config/cris/t-elfmulti, config/crx/t-crx,
1717 config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
1718 config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
1719 config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
1720 config/h8300/t-h8300, config/i386/athlon.md,
1721 config/i386/darwin-libgcc.10.4.ver,
1722 config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
1723 config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
1724 config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
1725 config/i386/t-linux64, config/i386/t-nwld,
1726 config/i386/t-rtems-i386, config/i386/t-sol2-10,
1727 config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
1728 config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
1729 config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
1730 config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
1731 config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
1732 config/iq2000/t-iq2000, config/libgcc-glibc.ver,
1733 config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
1734 config/m32r/t-m32r, config/m68hc11/t-m68hc11,
1735 config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
1736 config/m68k/t-uclinux, config/mcore/t-mcore,
1737 config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
1738 config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
1739 config/mips/crtn.asm, config/mips/irix-crti.asm,
1740 config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
1741 config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
1742 config/mips/mips-fixed.md, config/mips/sb1.md,
1743 config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
1744 config/mips/t-iris6, config/mips/t-isa3264,
1745 config/mips/t-libgcc-mips16, config/mips/t-linux64,
1746 config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
1747 config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
1748 config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
1749 config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
1750 config/mn10300/t-linux, config/mn10300/t-mn10300,
1751 config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
1752 config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
1753 config/picochip/libgccExtras/clzsi2.asm,
1754 config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
1755 config/rs6000/darwin-libgcc.10.4.ver,
1756 config/rs6000/darwin-libgcc.10.5.ver,
1757 config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
1758 config/rs6000/t-aix43, config/rs6000/t-aix52,
1759 config/rs6000/t-darwin, config/rs6000/t-fprules,
1760 config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
1761 config/rs6000/t-lynx, config/rs6000/t-netbsd,
1762 config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
1763 config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
1764 config/rs6000/t-rtems, config/rs6000/t-spe,
1765 config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
1766 config/score/t-score-elf, config/sh/divcost-analysis,
1767 config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
1768 config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
1769 config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
1770 config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
1771 config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
1772 config/stormy16/stormy-abi, config/stormy16/t-stormy16,
1773 config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
1774 config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
1775 config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
1776 config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
1777 config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
1778 gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
1779 java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
1780 limitx.h, version.c, xcoff.h: Add copyright and license notices.
1781 * config/h8300/genmova.sh: Include copyright and license notices
1782 in generated output.
1783 * config/h8300/mova.md: Regenerate.
1784 * doc/install.texi2html: Include word "Copyright" in copyright
1785 notice and use name "Free Software Foundation, Inc.".
1786 * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
1787 ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
1788 ChangeLog-2007, ChangeLog-2008: Correct dates.
1789
1790 2009-04-21 Eric Botcazou <ebotcazou@adacore.com>
1791
1792 * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
1793 NE_EXPR operations as well.
1794 * c-parser.c (c_parser_condition): Do not set location information on
1795 the condition.
1796 (c_parser_conditional_expression): Likewise.
1797 (c_parser_binary_expression): Set location information on operators.
1798 * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
1799 TRUTH_NOT_EXPR has been folded.
1800 * fold-const.c (fold_truth_not_expr): Copy location information from
1801 the incoming expression to the outgoing one.
1802 * gimplify.c (shortcut_cond_r): Add locus parameter. Pass it to
1803 recursive calls on the LHS of the operator but pass that of the
1804 operator to recursive calls on the RHS of the operator. Set it
1805 on the COND_EXPR.
1806 (shortcut_cond_expr): Set the locus of the operator on the second
1807 COND_EXPR and that of the expression on the first in degenerate cases.
1808 Pass the locus of the expression to calls to shortcut_cond_r.
1809 Set the locus of the 'then' block on the associated jump, if any.
1810 (gimplify_boolean_expr): Add locus parameter. Set it on the COND_EXPR.
1811 (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
1812 expression to call to gimplify_boolean_expr.
1813
1814 2009-04-21 Kai Tietz <kai.tietz@onevision.com>
1815
1816 * config.gcc: Add additional configuration for
1817 i686-w64-mingw* and x86_64-w64-mingw* triplet.
1818 * config/i386/mingw-w64.h: New mingw-w64 specific header.
1819 (CPP_SPEC): Redefine for allowing -municode option.
1820 (STARTFILE_SPEC): Likewise.
1821 * config/i386/t-mingw-w64: New.
1822 * config/i386/mingw-w64.opt: New.
1823 (municode): Add new target option.
1824 * doc/invoke.texi (municode): Add documentation for new option.
1825
1826 2009-04-21 Ian Lance Taylor <iant@google.com>
1827
1828 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
1829 Correct test for number of arguments.
1830 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
1831
1832 2009-04-21 Andreas Schwab <schwab@linux-m68k.org>
1833
1834 * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
1835 argument of emit_library_call.
1836
1837 2009-04-21 Richard Guenther <rguenther@suse.de>
1838
1839 PR middle-end/39829
1840 * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
1841 inside VIEW_CONVERT_EXPRs.
1842
1843 2009-04-21 Martin Jambor <mjambor@suse.cz>
1844
1845 * tree-switch-conversion.c (build_constructors): Split a long line.
1846 (constructor_contains_same_values_p): New function.
1847 (build_one_array): Create assigns of constants if possible, do not
1848 call mark_sym_for_renaming, call update_stmt.
1849 (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
1850 make_rename_temp. Do not call mark_symbols_for_renaming, call
1851 update_stmt.
1852 (gen_def_assigns): Do not call mark_symbols_for_renaming or
1853 find_new_referenced_vars, call update_stmt.
1854 (gen_inbound_check): Use create_tmp_var and create ssa names manually
1855 instead of calling make_rename_temp. Do not call
1856 find_new_referenced_vars or mark_symbols_for_renaming, call
1857 update_stmt.
1858
1859 2009-04-21 Richard Guenther <rguenther@suse.de>
1860
1861 PR tree-optimization/39827
1862 * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
1863 (tree_ssa_phiprop): Pass the correct array size.
1864
1865 2009-04-21 Uros Bizjak <ubizjak@gmail.com>
1866
1867 * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
1868
1869 2009-04-21 Manuel López-Ibáñez <manu@gcc.gnu.org>
1870
1871 PR 16202
1872 * c-typeck.c (lvalue_p): Move declaration ...
1873 * c-common.h (lvalue_p): ... to here.
1874 * c-common.c (candidate_equal_p): New.
1875 (add_tlist): Use it.
1876 (merge_tlist): Use it.
1877 (warn_for_collisions_1): Likewise.
1878 (warning_candidate_p): Accept more candidates.
1879 (verify_tree): A warning candidate can be an expression. Use
1880 candidate_equal_p.
1881
1882 2009-04-21 Ben Elliston <bje@au.ibm.com>
1883
1884 PR target/5267
1885 * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
1886 for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
1887 options. Remove -mcall-solaris documentation.
1888
1889 2009-04-21 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1890
1891 PR c++/13358
1892 * doc/invoke.texi (-Wlong-long): Update description.
1893 * c-lex (interpret_integer): Only warn if there was no previous
1894 overflow and -Wlong-long is enabled.
1895 * c-decl.c (declspecs_add_type): Drop redundant flags.
1896 * c.opt (Wlong-long): Init to -1.
1897 * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
1898 and front-end warn_long_long. Wlong-long only depends on other
1899 flags if it is uninitialized.
1900 * c-parser.c (disable_extension_diagnostics): warn_long_long is
1901 the same for CPP and FE.
1902 (restore_extension_diagnostics): Likewise.
1903
1904 2009-04-20 Ian Lance Taylor <iant@google.com>
1905
1906 Fix enum conversions which are invalid in C++:
1907 * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
1908 * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
1909 * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
1910 * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
1911 * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
1912 (dbxout_parms): Likewise.
1913 * df-core.c (df_set_flags): Change changeable_flags parameter to int.
1914 (df_clear_flags): Likewise.
1915 * df-problems.c (df_rd_bb_local_compute_process_def): Change
1916 top_flag parameter to int.
1917 (df_chain_create_bb_process_use): Likewise.
1918 (df_chain_add_problem): Change chain_flags parameter to unsigned int.
1919 Remove cast.
1920 * df-scan.c (df_ref_create): Change ref_flags parameter to int.
1921 (df_ref_create_structure, df_def_record_1): Likewise.
1922 (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
1923 (df_notes_rescan): Change 0 to VOIDmode in function call.
1924 (df_get_call_refs, df_insn_refs_collect): Likewise.
1925 (df_bb_regs_collect): Likewise.
1926 (df_entry_block_defs_collect): Likewise.
1927 (df_exit_block_uses_collect): Likewise.
1928 * df.h: Update declarations.
1929 * double-int.c (double_int_divmod): Add cast to enum type.
1930 * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
1931 * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
1932 (based_loc_descr): Likewise.
1933 (loc_descriptor_from_tree_1): Change first_op and second_op to
1934 enum dwarf_location_atom. Add cast to enum type.
1935 * expmed.c (init_expmed): Change 0 to SET in function call.
1936 * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
1937 (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
1938 (do_store_flag): Likewise.
1939 * fixed-value.h (struct fixed_value): Change mode to enum
1940 machine_mode.
1941 * function.c (assign_parms): Change 0 to VOIDmode in function call.
1942 * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
1943 function call.
1944 (insert_insn_decl, insert_decl, insert_state): Likewise.
1945 (automata_list_finish): Likewise.
1946 * genrecog.c (process_define_predicate): Add cast to enum type.
1947 * gensupport.c (init_predicate_table): Add cast to enum type.
1948 * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
1949 function call.
1950 (gimple_build_call_1, gimple_build_label): Likewise.
1951 (gimple_build_goto, gimple_build_asm_1): Likewise.
1952 (gimple_build_switch_1, gimple_build_cdt): Likewise.
1953 * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
1954 (enum fallback): Rename from enum fallback_t.
1955 (fallback_t): Typedef as int.
1956 * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
1957 GSI_SAME_STMT in function call.
1958 * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
1959 enum type.
1960 (setup_reg_class_relations): Likewise.
1961 (setup_reg_class_nregs): Change cl to int. Add casts to enum type.
1962 (setup_prohibited_class_mode_regs): Add cast to enum type.
1963 (setup_prohibited_mode_move_regs): Likewise.
1964 * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
1965 (record_address_regs): Change i to enum reg_class.
1966 * lists.c (alloc_EXPR_LIST): Add cast to enum type.
1967 * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
1968 (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
1969 (GET_MODE_2XWIDER_MODE): Likewise.
1970 (GET_CLASS_NARROWEST_MODE): Likewise.
1971 * omp-low.c (expand_omp_for): Add cast to enum type.
1972 * optabs.c (debug_optab_libfuncs): Add casts to enum type.
1973 * opts.c (enable_warning_as_error): Change kind to diagostic_t.
1974 * postreload.c (reload_cse_simplify_operands): Change rclass local
1975 to enum reg_class.
1976 * predict.c (combine_predictions_for_insn): Change best_predictor
1977 and predictor to enum br_predictor.
1978 (combine_predictions_for_bb): Likewise.
1979 (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
1980 use SET_PREDICT_EXPR_OUTCOME.
1981 * real.c (real_arithmetic): Change icode to code in function call.
1982 * reginfo.c (init_move_cost): Add casts to enum type.
1983 (init_reg_sets_1, init_fake_stack_mems): Likewise.
1984 * regmove.c (regclass_compatible_p): Change class0 and class1 to
1985 enum reg_class.
1986 * reload.c (find_valid_class): Add casts to enum type.
1987 (push_reload): Change 0 to NO_REGS in function call.
1988 (find_reloads): Change this_alternative to array of enum
1989 reg_class. Remove some now-unnecessary casts.
1990 (make_memloc): Change 0 to VOIDmode in function call.
1991 * reload1.c (reload): Change 0 to VOIDmode in function call.
1992 (eliminate_regs_1, elimination_effects): Likewise.
1993 (eliminate_regs_in_insn): Likewise.
1994 (emit_input_reload_insns): Add cast to enum type.
1995 (delete_output_reload): Change 0 to VOIDmode in function call.
1996 * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
1997 to enum type in function call.
1998 * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
1999 (SET_PREDICT_EXPR_OUTCOME): Define.
2000 * tree-dump.c (get_dump_file_info): Change phase parameter to int.
2001 (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
2002 (dump_initialized_p, dump_flag_name, dump_end): Likewise.
2003 (dump_function): Likewise.
2004 * tree-dump.h: Update declarations.
2005 * tree-pass.h: Update declarations.
2006 * varasm.c (assemble_integer): Change mclass to enum mode_class.
2007 * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
2008 enum type.
2009 (arm_rtx_costs_1): Correct parenthesization.
2010 (arm_rtx_costs): Add casts to enum type.
2011 (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
2012 (vfp_emit_fstmd): Use add_rg_note.
2013 (emit_multi_reg_push, emit_sfm): Likewise.
2014 (thumb_set_frame_pointer): Likewise.
2015 (arm_expand_prologue): Likewise.
2016 (arm_regno_class): Change return type to enum reg_class.
2017 (thumb1_expand_prologue): Use add_reg_note.
2018 * config/arm/arm-protos.h (arm_regno_class): Update declaration.
2019 * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
2020 in function call.
2021 * config/arm/gentune.sh: Add cast to enum type.
2022 * config/arm/arm-tune.md: Rebuild.
2023 * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
2024 (ix86_split_fp_branch, predict_jump): Likewise.
2025 (ix86_expand_multi_arg_builtin): Change sub_code from enum
2026 insn_code to enum rtx_code.
2027 (ix86_builtin_vectorized_function): Add cast to enum type.
2028 * config/i386/i386.md (truncdfsf2): Change slot to enum
2029 ix86_stack_slot.
2030 (truncxf<mode>2, isinf<mode>2): Likewise.
2031 * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
2032 enum type.
2033 * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
2034 (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
2035 (insert_bundle_state): Change 1 to INSERT in function call.
2036 (ia64_add_bundle_selector_before): Likewise.
2037 * config/ia64/ia64.md (cpu attr): Add cast to enum type.
2038 (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
2039 (restore_stack_nonlocal): Likewise.
2040 * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
2041 function call.
2042 * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
2043 function call.
2044 (mips_rtx_costs): Likewise.
2045 (mips_override_options): Add casts to enum type.
2046 * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
2047 in function call.
2048 * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
2049 (store_reg, set_reg_plus_d): Likewise.
2050 (hppa_expand_prologue, hppa_profile_hook): Likewise.
2051 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
2052 cast to enum type.
2053 (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
2054 function call.
2055 (emit_unlikely_jump): Use add_reg_note.
2056 (rs6000_emit_allocate_stack): Likewise.
2057 (rs6000_frame_related, rs6000_emit_prologue): Likewise.
2058 (output_toc): Change 1 to INSERT in function call.
2059 (output_profile_hook): Change 0 to LCT_NORMAL in function call.
2060 (rs6000_initialize_trampoline): Likewise.
2061 (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
2062 function call.
2063 * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
2064 (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
2065 (s390_expand_setmem, s390_expand_cmpmem): Likewise.
2066 (save_gprs): Use add_reg_note.
2067 (s390_emit_prologue): Likewise.
2068 (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
2069 * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
2070 (sparc_fold_builtin): Add cast to enum type.
2071 * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
2072 enum insn_code.
2073 (spu_expand_prologue): Use add_reg_note.
2074 (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
2075
2076 2009-04-20 Ian Lance Taylor <iant@google.com>
2077
2078 * c-parser.c (c_parser_attributes): Change VEC back to tree list.
2079 (c_parser_postfix_expression_after_primary): Get VEC for list of
2080 arguments. Get original types of arguments. Call
2081 build_function_call_vec.
2082 (cached_expr_list_1, cached_expr_list_2): New static variables.
2083 (c_parser_expr_list): Change return type to VEC *. Add
2084 p_orig_types parameter. Change all callers.
2085 (c_parser_release_expr): New static function.
2086 (c_parser_vec_to_tree_list): New static function.
2087 * c-typeck.c (build_function_call): Rewrite to build a VEC and
2088 call build_function_call_vec.
2089 (build_function_call_vec): New function, based on old
2090 build_function_call.
2091 (convert_arguments): Remove nargs and argarray parameters. Change
2092 values to a VEC. Add origtypes parameter.
2093 (build_modify_expr): Add rhs_origtype parameter. Change all callers.
2094 (convert_for_assignment): Add origtype parameter. Change all
2095 callers. If warn_cxx_compat, check for conversion to an enum
2096 type when calling a function.
2097 (store_init_value): Add origtype parameter. Change all callers.
2098 (digest_init): Likewise.
2099 (struct init_node): Add origtype field.
2100 (add_pending_init): Add origtype parameter. Change all callers.
2101 (output_init_element): Likewise.
2102 (output_pending_init_elements): Pass origtype from init_node to
2103 output_init_element.
2104 (process_init_element): Pass origtype from c_expr to
2105 output_init_element.
2106 (c_finish_return): Add origtype parameter. Change all callers.
2107 * c-common.c (sync_resolve_size): Change params to VEC *. Change
2108 caller.
2109 (sync_resolve_params): Likewise.
2110 (sync_resolve_return): Change params to first_param. Change caller.
2111 (resolve_overloaded_builtins): Change params to VEC *. Change
2112 callers. Save first parameter around call to build_function_call_vec.
2113 * c-decl.c (finish_decl): Add origtype parameter. Change all
2114 callers. Call build_function_call_vec rather than
2115 build_function_call for cleanup.
2116 * c-tree.h: Update declarations.
2117 * c-common.h: Update declarations.
2118 * stub-objc.c (objc_rewrite_function_call): Change parameter from
2119 params to first_param.
2120 * target.h (struct gcc_target): Change resolve_overloaded_builtin
2121 params parameter from tree to void *.
2122 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2123 Change arglist parameter to have type void *, and to be a pointer
2124 to a VEC.
2125 * config/rs6000/rs6000-protos.h
2126 (altivec_resolve_overloaded_builtin): Update declaration.
2127 * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
2128 fnargs parameter to have type void *, and to be a pointer to a
2129 VEC. Call build_function_call_vec instead of
2130 build_function_call.
2131 * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
2132
2133 2009-04-20 Joey Ye <joey.ye@intel.com>
2134 Xuepeng Guo <xuepeng.guo@intel.com>
2135 H.J. Lu <hongjiu.lu@intel.com>
2136
2137 * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
2138
2139 * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
2140 (IX86_LEA_PRIORITY): Likewise.
2141 (distance_non_agu_define): New function.
2142 (distance_agu_use): Likewise.
2143 (ix86_lea_for_add_ok): Likewise.
2144 (ix86_dep_by_shift_count): Likewise.
2145
2146 * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
2147 should split for LEA.
2148
2149 * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
2150 function.
2151 (ix86_dep_by_shift_count): Likewise.
2152
2153 2009-04-20 Richard Guenther <rguenther@suse.de>
2154
2155 * expr.c (handled_component_p): Move ...
2156 * tree.h (handled_component_p): ... here.
2157 * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
2158 ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
2159 and REALPART_EXPR to be in one group.
2160
2161 2009-04-20 Richard Guenther <rguenther@suse.de>
2162
2163 * basic-block.h (get_all_dominated_blocks): Declare.
2164 * dominance.c (get_all_dominated_blocks): New function.
2165 * tree-cfg.c (get_all_dominated_blocks): Remove.
2166 (remove_edge_and_dominated_blocks): Adjust.
2167 * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
2168 (tree_ssa_phiprop): ... here. Use get_all_dominated_blocks
2169 instead of recursing.
2170
2171 2009-04-20 Doug Kwan <dougkwan@google.com>
2172
2173 * cgraph.h (cgraph_node_ptr): New type for vector functions.
2174 (struct cgraph_node_set_def): New type.
2175 (cgraph_node_set) New type. Also declare vector functions.
2176 (struct cgraph_node_set_element_def): New type.
2177 (cgraph_node_set_element): Ditto.
2178 (cgraph_node_set_iterator): New iterator type.
2179 (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
2180 cgraph_node_set_remove, dump_cgraph_node_set,
2181 debug_cgraph_node_set): New prototypes.
2182 (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
2183 cgraph_node_set_size): New inlines.
2184 * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
2185 including cgraph.h.
2186 (struct ipa_opt_pass): Add struct cgraph_node_set_def
2187 argument to function 'write_summary'.
2188 * ipa.c: Include ggc.h.
2189 (hash_cgraph_node_set_element,
2190 eq_cgraph_node_set_element, cgraph_node_set_new,
2191 cgraph_node_set_add, cgraph_node_set_remove,
2192 cgraph_node_set_find, dump_cgraph_node_set,
2193 debug_cgraph_node_set): New functions.
2194 * Makefile.in (ipa.o): Add dependency on GGC_H.
2195
2196 2009-04-20 Ira Rosen <irar@il.ibm.com>
2197
2198 PR tree-optimization/39675
2199 * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
2200 check of the return code of vect_schedule_slp. Check that
2201 stmt_vec_info still exists for the statement, before checking its
2202 vectorization type.
2203
2204 2009-04-20 Michael Matz <matz@suse.de>
2205
2206 * Makefile.in (generated_files): Take out $(simple_generated_c).
2207
2208 2009-04-19 Dave Korn <dave.korn.cygwin@gmail.com>
2209
2210 * config/i386/cygwin-stdint.h (INTPTR_TYPE): Remove "long".
2211 (UINTPTR_TYPE): Likewise.
2212
2213 2009-04-19 Joseph Myers <joseph@codesourcery.com>
2214
2215 PR c/37481
2216 * c-typeck.c (digest_init): Check for initializing an array with a
2217 string literal.
2218
2219 2009-04-19 Joseph Myers <joseph@codesourcery.com>
2220
2221 PR c/19771
2222 * c-semantics.c (pop_stmt_list): Propagate
2223 STATEMENT_LIST_HAS_LABEL to parent statement list.
2224
2225 2009-04-19 Adam Nemet <anemet@caviumnetworks.com>
2226
2227 * config/mips/mips.h (mips_tune_attr): New macro.
2228 * config/mips/mips.md (cpu): Use it.
2229
2230 2009-04-19 Joseph Myers <joseph@codesourcery.com>
2231
2232 PR c/38243
2233 * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
2234 declaring a tag.
2235
2236 2009-04-19 Diego Novillo <dnovillo@google.com>
2237
2238 * toplev.c (compile_file): Move call to coverage_finish ...
2239 * cgraphunit.c (ipa_passes): ... here.
2240 Call cgraph_process_new_functions.
2241 * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
2242 * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
2243
2244 2009-04-19 Jan Hubicka <jh@suse.cz>
2245
2246 * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
2247 cfun.
2248 (dump_cgraph_node): Dump can throw external flag.
2249 * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
2250
2251 2009-04-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
2252
2253 PR c/32061
2254 PR c++/36954
2255 * doc/invoke.texi: Add -Wlogical-op to -Wextra.
2256 * common.opt (Wlogical-op): Move from here...
2257 * c.opt (Wlogical-op): ... to here.
2258 * c-typeck.c (parser_build_binary_op): Update call to
2259 warn_logical_operator.
2260 * c-opts.c (c_common_post_options): Enable warn_logical_op with
2261 extra_warnings.
2262 * c-common.c (warn_logical_op): Update.
2263 * c-common.h (warn_logical_op): Update declaration.
2264
2265 2009-04-19 Eric Botcazou <ebotcazou@adacore.com>
2266
2267 * tree.c (protected_set_expr_location): Fix formatting.
2268
2269 2009-04-18 Joseph Myers <joseph@codesourcery.com>
2270
2271 PR c/27676
2272 * c-typeck.c (readonly_warning): new.
2273 (build_unary_op, build_modify_expr): Use readonly_warning for
2274 storing into something readonly but not const-qualified.
2275
2276 2009-04-18 Joseph Myers <joseph@codesourcery.com>
2277
2278 PR c/22367
2279 * c-typeck.c (build_unary_op): Check for taking address of
2280 expression of type void.
2281
2282 2009-04-18 Joseph Myers <joseph@codesourcery.com>
2283
2284 PR c/35210
2285 * c-typeck.c (build_function_call): Check for calling a function
2286 with qualified void return types. Call require_complete_type when
2287 generating a trap.
2288
2289 2009-04-18 Jan Hubicka <jh@suse.cz>
2290
2291 * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
2292 Set nothrow flag.
2293 * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
2294 can_throw_external flag.
2295 * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
2296 * ipa-pure-const.c (ignore_edge): New function.
2297 (propagate): Compute order for NOTHROW computation; set NOTHROWs
2298 only over can_throw_external edges.
2299 (local_pure_const): Add nothrow flag.
2300 * ipa-utils.c (searchc): Add ignore_edge callback.
2301 (ipa_utils_reduced_inorder): Add ignore_edge callback.
2302 * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
2303 (set_nothrow_function_flags): Update cgraph.
2304 * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
2305
2306 2009-04-18 Richard Guenther <rguenther@suse.de>
2307
2308 PR middle-end/39804
2309 * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
2310 (fold_stmt): ... this and ...
2311 (fold_stmt_inplace): ... this.
2312 (fold_stmt_1): Fold references in calls and asms.
2313 * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
2314
2315 2009-04-18 Kazu Hirata <kazu@codesourcery.com>
2316
2317 * tree-vrp.c (ssa_name_nonzero_p): Remove.
2318 * tree.h: Remove the prototype for ssa_name_nonzero_p.
2319
2320 2009-04-18 Kazu Hirata <kazu@codesourcery.com>
2321
2322 * tree.c (function_args_count): Remove.
2323 * tree.h: Remove the prototype for function_args_count.
2324
2325 2009-04-18 Kazu Hirata <kazu@codesourcery.com>
2326
2327 * tree-iterator.c (expr_only): Remove.
2328 * tree.h: Remove the prototype for expr_only.
2329
2330 2009-04-18 Kazu Hirata <kazu@codesourcery.com>
2331
2332 * reginfo.c (cannot_change_mode_set_regs): Remove.
2333 * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
2334
2335 2009-04-08 Anatoly Sokolov <aesok@post.ru>
2336
2337 * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
2338 whether operands 0 and 1 overlaps.
2339
2340 2009-04-18 Manuel López-Ibáñez <manu@gcc.gnu.org>
2341
2342 PR middle-end/36902
2343 * tree-vrp.c (check_array_ref): Pass a location_t instead of a
2344 pointer. Use warning_at instead of warning.
2345 (search_for_addr_array): Likewise.
2346 (check_array_bounds): Likewise.
2347 (check_all_array_refs): Check that the incoming edge is not in the
2348 list of edges to be removed.
2349 (check_all_array_refs): Avoid the temporal pointer.
2350 (vrp_visit_cond_stmt): Fix typo.
2351 (simplify_switch_using_ranges): Handle the case where the switch
2352 index is an integer constant.
2353
2354 2009-04-18 Adam Nemet <anemet@caviumnetworks.com>
2355
2356 * config/mips/mips.c (mips_final_postscan_insn): Make it static.
2357
2358 2009-04-18 Kazu Hirata <kazu@codesourcery.com>
2359
2360 * doc/extend.texi, doc/invoke.texi: Fix typos.
2361
2362 2009-04-17 Cary Coutant <ccoutant@google.com>
2363
2364 * tree-flow-inline.h (get_lineno): Fix inverted test.
2365
2366 2009-04-17 Diego Novillo <dnovillo@google.com>
2367
2368 * tree-ssa-pre.c (create_expression_by_pieces): Remove
2369 assertion for AVAIL_OUT.
2370
2371 2009-04-17 Mike Frysinger <vapier@gentoo.org>
2372
2373 PR target/38627
2374 * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
2375 * config/sh/linux-atomic.asm: Likewise.
2376
2377 2009-04-17 Diego Novillo <dnovillo@google.com>
2378
2379 * except.c (debug_eh_tree): New.
2380 (struct eh_region, struct eh_status): Move ...
2381 * except.h: ... here.
2382 (add_type_for_runtime): Declare extern.
2383 (lookup_type_for_runtime): Likewise.
2384 (debug_eh_tree): Declare.
2385 * Makefile.in (GTFILES): List except.h before except.c
2386
2387 2009-04-17 Diego Novillo <dnovillo@google.com>
2388
2389 * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
2390 * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
2391 * tree-dfa.c (find_referenced_vars_in): Factor out of ...
2392 (find_vars_r): ... here.
2393 * tree-flow.h (find_referenced_vars_in): Declare.
2394 * tree-ssa-pre.c (create_expression_by_pieces): Assert
2395 that AVAIL_OUT exists for BLOCK.
2396 * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
2397 (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
2398 (tree-parloops.o): Likewise.
2399
2400 2009-04-17 Simon Baldwin <simonb@google.com>
2401
2402 * toplev.c (default_tree_printer): Add handling for %E format.
2403
2404 2009-04-17 Diego Novillo <dnovillo@google.com>
2405
2406 * tree-pretty-print.c (dump_generic_node): Add break after
2407 TREE_BINFO handler. Handle COMPLEX_TYPE, REAL_TYPE and
2408 FIXED_POINT_TYPE. Handle NULL TREE_TYPEs. Handle METHOD_TYPE and
2409 FUNCTION_TYPE together. Call print_struct_decl when printing
2410 structures and TDF_SLIM is not given.
2411 (print_struct_decl): Fix logic for detecting recursion.
2412
2413 2009-04-17 Rafael Avila de Espindola <espindola@google.com>
2414
2415 PR 31567
2416 * gcc.c (create_at_file): New.
2417 (compile_input_file_p): New.
2418 (do_spec_1): Use @args files for %i. Use create_at_file for %o.
2419 * main.c (main): Update call to toplev_main.
2420 * toplev.c (toplev_main): Change signature. Call expandargv.
2421 * toplev.h (toplev_main): Change signature.
2422
2423 2009-04-17 Eric Botcazou <ebotcazou@adacore.com>
2424
2425 * dwarf2out.c (field_byte_offset): Use the type size as the field size
2426 if the latter is not constant.
2427
2428 2009-04-17 David Edelsohn <edelsohn@gnu.org>
2429
2430 * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
2431
2432 2009-04-17 Eric Botcazou <ebotcazou@adacore.com>
2433
2434 * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
2435 * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
2436
2437 2009-04-17 Richard Guenther <rguenther@suse.de>
2438
2439 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2440 Handle component references view-converting an invariant address.
2441
2442 2009-04-17 Adam Nemet <anemet@caviumnetworks.com>
2443
2444 * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
2445 TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
2446 TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
2447 TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
2448 Use @deftypevr rather than @deftypevar.
2449
2450 2009-04-17 Richard Guenther <rguenther@suse.de>
2451
2452 * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
2453 (get_prop_source_stmt): Likewise.
2454 (can_propagate_from): Likewise.
2455
2456 2009-04-17 Andrew Stubbs <ams@codesourcery.com>
2457
2458 * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
2459 TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
2460 (--with-multilib-list): Add default value.
2461 * configure: Regenerate.
2462 * Makefile.in (TM_ENDIAN_CONFIG): Define.
2463 (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
2464 * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
2465 TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
2466 Don't add default cpu to multilib list unnecessarily, but do enable
2467 the relevant compiler option..
2468 Add support for --with-multilib-list=<blank> and
2469 --with-multilib-list=!<somelib> to supress unwanted multilibs.
2470 * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
2471 (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
2472 (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
2473 TM_MULTILIB_CONFIG.
2474 (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
2475 (MULTILIB_OSDIRNAMES): New variable.
2476 * config/sh/t-1e: Delete file.
2477 * config/sh/t-mlib-sh1: Delete file.
2478 * config/sh/t-mlib-sh2: Delete file.
2479 * config/sh/t-mlib-sh2a: Delete file.
2480 * config/sh/t-mlib-sh2a-nofpu: Delete file.
2481 * config/sh/t-mlib-sh2a-single: Delete file.
2482 * config/sh/t-mlib-sh2a-single-only: Delete file.
2483 * config/sh/t-mlib-sh2e: Delete file.
2484 * config/sh/t-mlib-sh3e: Delete file.
2485 * config/sh/t-mlib-sh4: Delete file.
2486 * config/sh/t-mlib-sh4-nofpu: Delete file.
2487 * config/sh/t-mlib-sh4-single: Delete file.
2488 * config/sh/t-mlib-sh4-single-only: Delete file.
2489 * config/sh/t-mlib-sh4a: Delete file.
2490 * config/sh/t-mlib-sh4a-nofpu: Delete file.
2491 * config/sh/t-mlib-sh4a-single: Delete file.
2492 * config/sh/t-mlib-sh4a-single-only: Delete file.
2493 * config/sh/t-mlib-sh4al: Delete file.
2494 * config/sh/t-mlib-sh5-32media: Delete file.
2495 * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
2496 * config/sh/t-mlib-sh5-64media: Delete file.
2497 * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
2498 * config/sh/t-mlib-sh5-compact: Delete file.
2499 * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
2500 * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
2501 * doc/install.texi (Options specification): Add
2502 --with-multilib-list and --with-endian.
2503
2504 2009-04-17 Rafael Avila de Espindola <espindola@google.com>
2505
2506 * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
2507 REVISION_c.
2508 (OBJS-common): Add plugin-version.o.
2509 (plugin-version.o): New.
2510 * gcc-plugin.h (plugin_gcc_version): New.
2511 (plugin_default_version_check): New.
2512 (plugin_init_func, plugin_init): Add version argument.
2513 * plugin-version.c: New.
2514 * plugin.c (str_plugin_gcc_version_name): New.
2515 (try_init_one_plugin): Read plugin_gcc_version from the plugin and
2516 pass it to the init function.
2517 (plugin_default_version_check): New.
2518
2519 2009-04-17 Richard Guenther <rguenther@suse.de>
2520
2521 * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
2522 for decl-vs-decl disambiguation.
2523
2524 2009-04-17 Andreas Krebbel <krebbel1@de.ibm.com>
2525
2526 * config/s390/s390.h (s390_tune_attr): New macro definition.
2527 * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
2528
2529 2009-04-17 Richard Guenther <rguenther@suse.de>
2530
2531 * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
2532 (fold_stmt_r): Likewise.
2533 (maybe_fold_reference): New function.
2534 (fold_gimple_assign): Handle cases fold_stmt_r did.
2535 (fold_stmt): Do not use fold_stmt_r.
2536 (fold_stmt_inplace): Likewise.
2537
2538 2009-04-17 Richard Guenther <rguenther@suse.de>
2539
2540 * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
2541 (record_equivalences_from_stmt): Remove useless checks and
2542 simplifications.
2543 * tree-ssa-pre.c (eliminate): Avoid converting a constant if
2544 the type is already suitable.
2545
2546 2009-04-17 Paolo Bonzini <bonzini@gnu.org>
2547
2548 * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
2549
2550 2009-04-17 Uros Bizjak <ubizjak@gmail.com>
2551
2552 * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
2553 (CMPtype): Define as __gcc_CMPtype.
2554
2555 2009-04-17 Aurelien Jarno <aurelien@aurel32.net>
2556
2557 * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
2558 for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
2559
2560 2009-04-17 Richard Guenther <rguenther@suse.de>
2561
2562 PR tree-optimization/39746
2563 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
2564 special-casing for builtins and static variable use/def.
2565 (call_may_clobber_ref_p_1): Likewise.
2566
2567 2009-04-16 Ian Lance Taylor <iant@google.com>
2568
2569 * df.h: Include "timevar.h".
2570 (struct df_problem): Change tv_id field to timevar_id_t.
2571 * tree-pass.h: Include "timevar.h".
2572 (struct opt_pass): Change tv_id field to timevar_id_t.
2573 * timevar.h (timevar_id_t): Define TV_NONE.
2574 * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
2575 TV_NONE rather than tv_id != 0.
2576 (execute_one_pass): Likewise.
2577 * Makefile.in (DF_H): Add $(TIMEVAR_H).
2578 (TREE_PASS_H): Define. Change all instances of tree-pass.h in
2579 dependencies to $(TREE_PASS_H).
2580 * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
2581 to TV_NONE.
2582 (pass_branch_target_load_optimize2): Likewise.
2583 * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
2584 (pass_outof_cfg_layout_mode): Likewise.
2585 * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
2586 (pass_rebuild_cgraph_edges): Likewise.
2587 (pass_remove_cgraph_callee_edges): Likewise.
2588 * df-core.c (pass_df_initialize_opt): Likewise.
2589 (pass_df_initialize_no_opt): Likewise.
2590 (pass_df_finish): Likewise.
2591 * emit-rtl.c (pass_unshare_all_rtl): Likewise.
2592 * except.c (pass_set_nothrow_function_flags): Likewise.
2593 (pass_convert_to_eh_region_ranges): Likewise.
2594 * final.c (pass_compute_alignments): Likewise.
2595 * function.c (pass_instantiate_virtual_regs): Likewise.
2596 (pass_init_function): Likewise.
2597 (pass_leaf_regs): Likewise.
2598 (pass_match_asm_constraints): Likewise.
2599 * gimple-low.c (pass_lower_cf): Likewise.
2600 (pass_mark_used_blocks): Likewise.
2601 * init-regs.c (pass_initialize_regs): Likewise.
2602 * integrate.c (pass_initial_value_sets): Likewise.
2603 * ira.c (pass_ira): Likewise.
2604 * jump.c (pass_cleanup_barriers): Likewise.
2605 * omp-low.c (pass_expand_omp): Likewise.
2606 (pass_lower_omp): Likewise.
2607 * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
2608 * recog.c (pass_split_all_insns): Likewise.
2609 (pass_split_after_reload): Likewise.
2610 (pass_split_before_regstack): Likewise.
2611 (pass_split_before_sched2): Likewise.
2612 (pass_split_for_shorten_branches): Likewise.
2613 * reginfo.c (pass_reginfo_init): Likewise.
2614 (pass_subregs_of_mode_init): Likewise.
2615 (pass_subregs_of_mode_finish): Likewise.
2616 * passes.c (pass_postreload): Likewise.
2617 * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
2618 * tree-cfg.c (pass_remove_useless_stmts): Likewise.
2619 (pass_warn_function_return): Likewise.
2620 (pass_warn_function_noreturn): Likewise.
2621 * tree-complex.c (pass_lower_complex): Likewise.
2622 (pass_lower_complex_O0): Likewise.
2623 * tree-if-conv.c (pass_if_conversion): Likewise.
2624 * tree-into-ssa.c (pass_build_ssa): Likewise.
2625 * tree-mudflap.c (pass_mudflap_1): Likewise.
2626 (pass_mudflap_2): Likewise.
2627 * tree-nomudflap.c (pass_mudflap_1): Likewise.
2628 (pass_mudflap_2): Likewise.
2629 * tree-nrv.c (pass_return_slot): Likewise.
2630 * tree-object-size.c (pass_object_sizes): Likewise.
2631 * tree-optimize.c (pass_all_optimizations): Likewise.
2632 (pass_early_local_passes): Likewise.
2633 (pass_all_early_optimizations): Likewise.
2634 (pass_cleanup_cfg): Likewise.
2635 (pass_cleanup_cfg_post_optimizing): Likewise.
2636 (pass_free_datastructures): Likewise.
2637 (pass_free_cfg_annotations): Likewise.
2638 (pass_fixup_cfg): Likewise.
2639 (pass_init_datastructures): Likewise.
2640 * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
2641 (pass_late_warn_uninitialized): Likewise.
2642 (pass_update_address_taken): Likewise.
2643 * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
2644 * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
2645 (pass_cse_sincos): Likewise.
2646 (pass_convert_to_rsqrt): Likewise.
2647 * tree-ssa-structalias.c (pass_build_alias): Likewise.
2648 * tree-stdarg.c (pass_stdarg): Likewise.
2649 * tree-tailcall.c (pass_tail_recursion): Likewise.
2650 (pass_tail_calls): Likewise.
2651 * tree-vect-generic.c (pass_lower_vector): Likewise.
2652 (pass_lower_vector_ssa): Likewise.
2653 * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
2654
2655 2009-04-16 Joseph Myers <joseph@codesourcery.com>
2656
2657 * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
2658 XLR entry.
2659 * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
2660 Handle -march=xlr.
2661 * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
2662 logical and signext.
2663
2664 2009-04-16 Kaz Kojima <kkojima@gcc.gnu.org>
2665
2666 PR target/39767
2667 * config/sh/predicates.md (arith_operand): Check if the operand
2668 of TRUNCATE is a REG.
2669
2670 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
2671
2672 * cfgrtl.c (delete_insn_chain_and_edges): Remove.
2673 * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
2674
2675 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
2676
2677 * tree-iterator.c (tsi_split_statement_list_after,
2678 tsi_split_statement_list_before): Remove.
2679 * tree-iterator.h: Remove the prototypes for
2680 tsi_split_statement_list_after and tsi_split_statement_list_before.
2681
2682 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
2683
2684 * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
2685 * tree-ssa-propagate.h: Remove the prototype for
2686 stmt_makes_single_load.
2687
2688 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
2689
2690 * emit-rtl.c (set_mem_attrs_from_reg): Remove.
2691 * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
2692
2693 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
2694
2695 * tree-iterator.c (EXPR_LAST_BODY): Remove.
2696
2697 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
2698
2699 * except.c (eh_region_outer_p): Remove.
2700 * except.h: Remove the prototype for eh_region_outer_p.
2701
2702 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
2703
2704 * function.c (current_function_assembler_name): Remove.
2705 * function.h: Remove the prototype for
2706 current_function_assembler_name.
2707
2708 2009-04-16 Ian Lance Taylor <iant@google.com>
2709
2710 * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
2711 (add_reg_note): Call alloc_reg_note.
2712 * rtl.h (alloc_reg_note): Declare.
2713 * combine.c (try_combine): Use alloc_reg_note.
2714 (recog_for_combine, move_deaths): Likewise.
2715 (distribute_notes): Use alloc_reg_note and add_reg_note.
2716 * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
2717 * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
2718 * reload1.c (eliminate_regs_1): Use alloc_reg_note.
2719
2720 2009-04-16 Vladimir Makarov <vmakarov@redhat.com>
2721
2722 PR rtl-optimization/39762
2723 * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
2724 ira_may_move_out_cost): Add comments about way of their usage.
2725 (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
2726
2727 * ira-conflicts.c (process_regs_for_copy): Use function
2728 ira_get_register_move_cost instead of global
2729 ira_register_move_cost.
2730
2731 * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
2732 color_pass, move_spill_restore, update_curr_costs): Ditto.
2733
2734 * ira-lives.c (process_single_reg_class_operands): Ditto.
2735
2736 * ira-emit.c (emit_move_list): Ditto.
2737
2738 * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
2739 (record_reg_classes): Ditto. Use functions
2740 ira_get_register_move_cost and ira_get_may_move_cost instead of
2741 global vars ira_register_move_cost, ira_may_move_out_cost and
2742 ira_may_move_in_cost.
2743 (record_address_regs): Don't call ira_init_register_move_cost.
2744 Use function ira_get_may_move_cost instead of global
2745 ira_may_move_in_cost.
2746 (process_bb_node_for_hard_reg_moves): Use function
2747 ira_get_register_move_cost instead of global ira_register_move_cost.
2748 (ira_costs): Don't call ira_init_register_move_cost.
2749
2750 2009-04-16 Richard Guenther <rguenther@suse.de>
2751
2752 * tree-cfg.c (verify_gimple_assign_binary):
2753 Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
2754 * ipa-struct-reorg.c (gen_size): Fold the built expressions.
2755 (create_general_new_stmt): Note that this function is broken.
2756
2757 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
2758
2759 * common.opt (fhelp): Add Var(help_flag).
2760 * gcc-plugin.h (plugin_info): Add help.
2761 * plugin.c (plugin_name_args): Add help.
2762 (register_plugin_info): Set plugin->help.
2763 (print_help_one_plugin): New.
2764 (print_plugins_help): New.
2765 * plugin.h (print_plugins_help): New.
2766 * toplev.c (toplev_main): Call print_plugins_help if needed.
2767
2768 2009-04-16 Richard Guenther <rguenther@suse.de>
2769
2770 * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
2771 (gimple_ior_addresses_taken_1): New function.
2772 (gimple_ior_addresses_taken): Likewise.
2773 * gimple.h (struct gimple_statement_with_ops_base): Remove
2774 addresses_taken member.
2775 (gimple_ior_addresses_taken): Declare.
2776 (gimple_addresses_taken, gimple_addresses_taken_ptr,
2777 gimple_set_addresses_taken): Remove.
2778 * ipa-reference.c (mark_address): New function.
2779 (scan_stmt_for_static_refs): Use it for marking addresses taken.
2780 * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
2781 (mark_address_taken): ... this. Just set TREE_ADDRESSABLE.
2782 (gimple_add_to_addresses_taken): Remove.
2783 (get_tmr_operands): Call mark_address_taken.
2784 (get_asm_expr_operands): Likewise.
2785 (get_expr_operands): Likewise.
2786 (build_ssa_operands): Do not clear the addresses_taken bitmap.
2787 (free_stmt_operands): Do not free it.
2788 * tree-ssa.c (delete_tree_ssa): Likewise.
2789 (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
2790
2791 2009-04-16 Richard Guenther <rguenther@suse.de>
2792
2793 * gimple.h (walk_stmt_load_store_addr_ops): Declare.
2794 (walk_stmt_load_store_ops): Likewise.
2795 * gimple.c (get_base_loadstore): New function.
2796 (walk_stmt_load_store_addr_ops): Likewise.
2797 (walk_stmt_load_store_ops): Likewise.
2798 * ipa-pure-const.c (check_op): Simplify.
2799 (check_load, check_store): New functions.
2800 (check_stmt): Use walk_stmt_load_store_ops.
2801 * ipa-reference.c (mark_load): Adjust signature.
2802 (mark_store): Likewise.
2803 (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
2804
2805 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
2806
2807 * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
2808 (plugin_info): New.
2809 * opts.c (common_handle_option): Don't call print_version.
2810 * plugin.c (plugin_name_args): Add version.
2811 (register_plugin_info): New.
2812 (register_callback): Handle PLUGIN_INFO.
2813 (try_init_one_plugin): New.
2814 (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
2815 if failed to init.
2816 (finalize_one_plugin): New.
2817 (finalize_plugins): New.
2818 (print_one_plugin): New.
2819 (print_plugins_versions): New.
2820 * plugin.h (print_plugins_versions): New.
2821 (finalize_plugins): New.
2822 * toplev.c (compile_file): Don't call initialize_plugins.
2823 (print_version): Call print_plugins_versions.
2824 (toplev_main): Call initialize_plugins. Print version if needed.
2825 Call finalize_plugins.
2826
2827 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
2828
2829 * common.opt (fversion): New.
2830 * gcc.c (print_version): New.
2831 (process_command): Don't print the version. Just set print_version.
2832 (main): Print version. Call subprocesses if print_version and
2833 verbose_flag are set.
2834 * opts.c (common_handle_option): Handle OPT_fversion.
2835
2836 2009-04-16 Richard Guenther <rguenther@suse.de>
2837 Ira Rosen <irar@il.ibm.com>
2838
2839 PR tree-optimization/39698
2840 * tree-vect-loop.c (get_initial_def_for_reduction): Use the
2841 type of the reduction variable. Only generate the def if
2842 it is needed.
2843
2844 * omp-low.c (expand_omp_for_generic): When converting to a pointer
2845 make sure to first convert to an integer of the same precision.
2846 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
2847 the type of the evolution correctly in computing the new
2848 induction variable base.
2849
2850 2009-04-16 Richard Guenther <rguenther@suse.de>
2851
2852 PR middle-end/39625
2853 * tree-cfg.c (make_blocks): Split statements with to-be
2854 abnormal SSA names on the lhs.
2855
2856 2009-04-16 Paolo Bonzini <bonzini@gnu.org>
2857
2858 * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
2859 Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
2860 * c-typeck.c (really_start_incremental_init): Likewise.
2861 * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
2862 (TARGET_INITIALIZER): Remove it.
2863 * target.h (struct target): Remove vector_opaque_p.
2864 * tree.c (build_opaque_vector_type): New.
2865 * tree.h (TYPE_VECTOR_OPAQUE): New.
2866 (build_opaque_vector_type): Declare.
2867 * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
2868 * config/rs6000/rs6000.c (build_opaque_vector_type,
2869 rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
2870 (rs6000_init_builtins): Use build_opaque_vector_type for
2871 opaque_V4SI_type_node.
2872
2873 2009-04-15 Catherine Moore <clm@codesourcery.com>
2874
2875 * debug.h (set_name): Declare.
2876 * dwarf2out.c (dwarf2out_set_name): Declare.
2877 (dwarf2_debug_hooks): Add set_name.
2878 (find_AT_string): New.
2879 (add_AT_string): Call find_AT_string.
2880 (dwarf2out_set_name): New.
2881 * cp/decl.c (grokdeclarator): Call set_name.
2882 * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
2883 * debug.c (do_nothing_debug_hooks): Likewise.
2884 * dbxout.c (dbx_debug_hooks): Likewise.
2885 * sdbout.c (sdb_debug_hooks): Likewise.
2886
2887 2009-04-15 Michael Eager <eager@eagercon.com>
2888
2889 * config/rs6000/rs6000.c (rs6000_function_value): Set function return
2890 reg for single-precision FPU.
2891 * config/rs6000/rs6000.md (movsi_internal1): Only for
2892 !TARGET_SINGLE_FPU.
2893 (movsi_internal1_single): New. Add pattern to move SI values to/from
2894 single-precision FP regs.
2895
2896 2009-04-15 Richard Guenther <rguenther@suse.de>
2897
2898 * omp-low.c (lower_rec_input_clauses): Build correct address
2899 expressions.
2900 (expand_omp_for_generic): Fix multiplication type.
2901 * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
2902 (generate_memset_zero): Fix types.
2903 * tree-profile.c (prepare_instrumented_value): Correctly
2904 widen a pointer.
2905
2906 2009-04-15 Ian Lance Taylor <iant@google.com>
2907
2908 * c.opt (Wenum-compare): Enable for C and Objc. Initialize to -1.
2909 * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
2910 for -Wall and for -Wc++-compat.
2911 (c_common_post_options): For C++, set warn_enum_compare if not
2912 already set.
2913 * c-tree.h (struct c_expr): Add field original_type.
2914 (build_external_ref): Update declaration.
2915 * c-parser.c (c_parser_braced_init): Set original_type.
2916 (c_parser_initelt): Likewise.
2917 (c_parser_expr_no_commas): Likewise.
2918 (c_parser_conditional_expression): Likewise.
2919 (c_parser_cast_expression): Likewise.
2920 (c_parser_unary_expression): Likewise. Pull setting of
2921 original_code to top of function.
2922 (c_parser_sizeof_expression): Set original_type.
2923 (c_parser_alignof_expression): Likewise.
2924 (c_parser_postfix_expression): Likewise. Pull setting of
2925 original_code to top of function.
2926 (c_parser_postfix_expression_after_paren_type): Set original_type.
2927 (c_parser_postfix_expression_after_primary): Likewise.
2928 (c_parser_expression): Likewise.
2929 * c-typeck.c (build_external_ref): Add type parameter. Change all
2930 callers.
2931 (c_expr_sizeof_expr): Set original_type field.
2932 (parser_build_unary_op): Likewise.
2933 (parser_build_binary_op): Likewise. Optionally warn about
2934 comparisons of enums of different types.
2935 (digest_init): Set original_type field.
2936 (really_start_incremental_init): Likewise.
2937 (push_init_level, pop_init_level): Likewise.
2938 * doc/invoke.texi (Warning Options): -Wenum-compare now
2939 supported in C.
2940
2941 2009-04-15 Richard Guenther <rguenther@suse.de>
2942
2943 * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
2944 out a necessary conversion.
2945 * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
2946 names we didn't value number.
2947 * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
2948
2949 2009-04-15 Richard Guenther <rguenther@suse.de>
2950
2951 PR tree-optimization/39764
2952 * tree-ssa-ccp.c (get_value): Canonicalize value with
2953 canonicalize_float_value.
2954
2955 2009-04-15 Jan Hubicka <jh@suse.cz>
2956
2957 * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
2958 Wrong version of patch.
2959
2960 2009-04-15 Jan Hubicka <jh@suse.cz>
2961
2962 * builtins.def (va_start, va_end, va_copy): Mark nothrow.
2963
2964 2009-04-15 Nathan Sidwell <nathan@codesourcery.com>
2965
2966 * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
2967 our distinct integral and vector types.
2968
2969 2009-04-15 Rafael Avila de Espindola <espindola@google.com>
2970
2971 * class.c (build_vtbl_ref_1): Remove call to assemble_external.
2972 * init.c (build_vtbl_address): Remove call to assemble_external.
2973
2974 2009-04-14 Daniel Jacobowitz <dan@codesourcery.com>
2975
2976 * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
2977 output for other floating point modes.
2978
2979 2009-04-14 Diego Novillo <dnovillo@google.com>
2980
2981 * diagnostic.c (diagnostic_report_diagnostic): Do not
2982 warn about loaded plugins for DK_ERROR and DK_WARNING.
2983 * c-decl.c (declspecs_add_type): Move call to
2984 invoke_plugin_callbacks ...
2985 * c-parser.c (c_parser_declspecs): ... here.
2986 * plugin.c (dump_active_plugins): Tidy output.
2987
2988 2009-04-14 Diego Novillo <dnovillo@google.com>
2989 Le-Chun Wu <lcwu@google.com>
2990
2991 * configure.ac: Add --enable-plugin support.
2992 Define ENABLE_PLUGIN and PLUGINLIBS when specified.
2993 * Makefile.in (PLUGIN_H): Define.
2994 Export ENABLE_PLUGIN and GMPINC to site.exp.
2995 Add PLUGINLIBS to link command.
2996 Add/modify dependencies for plugin.o and files including plugin.h.
2997 (plugin.o): New.
2998 * config.in: Regenerate.
2999
3000 * opts.c (common_handle_option): Handle OPT_fplugin_ and
3001 OPT_fplugin_arg_.
3002
3003 2009-04-14 Le-Chun Wu <lcwu@google.com>
3004
3005 * tree-pass.h (register_one_dump_file): Add a prototype for
3006 register_one_dump_file.
3007 * toplev.c (compile_file): Call initialize_plugins.
3008 (do_compile): Call invoke_plugin_callbacks.
3009 (toplev_main): Call invoke_plugin_callbacks.
3010 * common.opt: Add -fplugin= and -fplugin-arg-.
3011 * gcc-plugin.h: New public header file for plugins to include.
3012 * plugin.c: New source file.
3013 * plugin.h: New internal header file.
3014 * passes.c (register_one_dump_file): Make it external.
3015
3016 * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
3017
3018 2009-04-14 Diego Novillo <dnovillo@google.com>
3019
3020 * doc/plugins.texi: New.
3021 * doc/gccint.texi: Add reference to Plugins chapter.
3022 * doc/invoke.texi: Document -fplugin and -fplugin-arg
3023 * diagnostic.c (diagnostic_report_diagnostic): Warn about
3024 loaded plugins, if any.
3025 * timevar.def (TV_PLUGIN_INIT): Define.
3026 (TV_PLUGIN_RUN): Define.
3027 * plugin.c: Include timevar.h
3028 (plugins_active_p): New.
3029 (dump_active_plugins): New.
3030 (debug_active_plugins): New.
3031
3032 2009-04-14 Joseph Myers <joseph@codesourcery.com>
3033
3034 * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
3035 library paths.
3036 * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
3037
3038 2009-04-14 Kazu Hirata <kazu@codesourcery.com>
3039
3040 * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
3041 the same as a minus without a shift.
3042
3043 2009-04-14 Nick Clifton <nickc@redhat.com>
3044
3045 * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
3046 comparisons with small integers will always produce a short
3047 branch.
3048
3049 2009-04-14 Rafael Avila de Espindola <espindola@google.com>
3050
3051 Merge:
3052 2008-12-19 Diego Novillo <dnovillo@google.com>
3053
3054 * cgraph.c (dump_cgraph_node): Show memory address of NODE.
3055
3056 2009-04-14 Richard Guenther <rguenther@suse.de>
3057
3058 * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
3059 verification.
3060 (verify_gimple_assign_binary): Likewise. Handle shifts and
3061 rotates correctly.
3062 (verify_gimple_phi): Print the mismatched argument position.
3063 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
3064 Fix types.
3065 (vect_update_init_of_dr): Likewise.
3066 * matrix-reorg.c (transform_access_sites): Do what the
3067 comment suggests.
3068 * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
3069
3070 2009-04-13 Michael Eager <eager@eagercon.com>
3071
3072 * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
3073 _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
3074 * config/rs6000/xilinx.h: New. Spec for powerpc-xilinx-eabi
3075 * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
3076 remove duplicate config
3077
3078 2009-04-13 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
3079
3080 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
3081 file_name:line_number type locator of the call site.
3082
3083 2009-04-13 Vladimir Makarov <vmakarov@redhat.com>
3084
3085 * genautomata.c: Put blank after comma.
3086 (automaton_decls): New.
3087 (struct unit_usage): Add comments to member next.
3088 (store_alt_unit_usage): Keep the list ordered.
3089 (unit_present_on_list_p, equal_alternatives_p): New.
3090 (check_regexp_units_distribution): Check units distribution
3091 correctness correctly.
3092 (main): Don't write automata if error is found. Return correct
3093 exit code.
3094
3095 * config/m68k/cf.md (cfv4_ds): Remove.
3096 (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
3097 cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
3098
3099 * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
3100 power4-load-ext, power4-store, power4-store-update,
3101 power4-fpstore, power4-fpstore-update, power4-two, power4-three,
3102 power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
3103 power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
3104 power4-sqrt, power4-isync): Modify reservation to make correct
3105 unit distribution to automata.
3106
3107 * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
3108 power5-store-update, power5-two, power5-three, power5-lmul,
3109 power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
3110
3111 2009-04-13 Adam Nemet <anemet@caviumnetworks.com>
3112
3113 * except.c (pass_set_nothrow_function_flags): Set name and add
3114 TODO_dump_func.
3115 (set_nothrow_function_flags): Mention in the dump file when
3116 changing a function to nothrow.
3117
3118 2009-04-13 Ozkan Sezer <sezeroz@gmail.com>
3119
3120 PR/39066
3121 * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
3122 instead of unsigned long.
3123
3124 2009-04-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3125
3126 * config/arm/arm.c (return_used_this_function): Remove.
3127 (arm_output_function_prologue): Remove use of
3128 return_used_this_function.
3129 (output_return_instruction): Replace use of
3130 return_used_this_function
3131 by cfun->machine->return_used_this_function.
3132 (arm_output_epilogue): Likewise.
3133 (arm_output_function_epilogue): Likewise.
3134 (thumb_unexpanded_epilogue): Likewise.
3135 * config/arm/arm.h (struct machine_function):
3136 New member return_used_this_function.
3137
3138 2009-04-12 Mark Mitchell <mark@codesourcery.com>
3139
3140 * doc/install.texi: Correct description of default directory for
3141 --with-gxx-include-dir.
3142
3143 2009-04-12 Eric Botcazou <ebotcazou@adacore.com>
3144
3145 * fold-const.c (build_range_check): Properly deal with enumeral and
3146 boolean base types.
3147
3148 2009-04-12 Steven Bosscher <steven@gcc.gnu.org>
3149
3150 * doc/invoke.texi (max_gcse_passes): Remove documentation.
3151 * params.def (PARAM_MAX_GCSE_PASSES): Remove.
3152 * params.h (MAX_GCSE_PASSES): Remove.
3153 * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
3154 in sequence. Remove ability to run multiple passes.
3155 (bypass_jumps): Report run as third CPROP pass.
3156
3157 2009-04-12 Adam Nemet <anemet@caviumnetworks.com>
3158
3159 PR middle-end/39651
3160 * except.c (can_throw_external): Look at each insn in a SEQUENCE
3161 when deciding whether the whole SEQUENCE can throw.
3162
3163 2009-04-12 Uros Bizjak <ubizjak@gmail.com>
3164
3165 PR target/39740
3166 * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
3167 offseted label references.
3168
3169 2009-04-11 Jan Hubicka <jh@suse.cz>
3170
3171 * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
3172
3173 2009-04-11 Richard Guenther <rguenther@suse.de>
3174
3175 PR middle-end/39732
3176 * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
3177 return variables as TREE_ADDRESSABLE.
3178
3179 2009-04-11 Richard Guenther <rguenther@suse.de>
3180
3181 PR tree-optimization/39713
3182 * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
3183 reference trees have SSA_NAME operands.
3184
3185 2009-04-11 Richard Guenther <rguenther@suse.de>
3186
3187 PR c/39712
3188 * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
3189 address expressions.
3190
3191 2009-04-11 Dave Korn <dave.korn.cygwin@gmail.com>
3192
3193 * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE): Update to
3194 match changes in Cygwin 1.7
3195 (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
3196 UINT_FAST16_TYPE, UINT_FAST32_TYPE): Likewise.
3197
3198 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
3199
3200 PR tree-optimization/39701
3201 * doc/invoke.texi (Optimization Options): Document change in
3202 meaning and initialization of -fdelete-null-pointer-checks.
3203
3204 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
3205
3206 PR middle-end/39701
3207 * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
3208
3209 * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
3210 here.
3211
3212 * doc/invoke.texi: Update -fdelete-null-pointer-checks.
3213
3214 2009-04-10 Chao-ying Fu <fu@mips.com>
3215
3216 * doc/tm.texi (Instruction Output): Document
3217 TARGET_ASM_FINAL_POSTSCAN_INSN.
3218 * target.h (final_postscan_insn): New field in asm_out.
3219 * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
3220 (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
3221 * final.c (final_scan_insn): Call
3222 targetm.asm_out.final_postscan_insn after outputting
3223 an asm macro and a normal instruction.
3224
3225 * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
3226 * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
3227 * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
3228 (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
3229 (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
3230
3231 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
3232
3233 PR middle-end/39701
3234 * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
3235 variables as non-NULL even with -fdelete-null-pointer-checks.
3236
3237 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
3238
3239 * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
3240
3241 2009-04-09 H.J. Lu <hongjiu.lu@intel.com>
3242
3243 PR target/39678
3244 * config/i386/i386.c (classify_argument): Handle SCmode with
3245 (bit_offset % 64) != 0.
3246
3247 2009-04-09 Sandra Loosemore <sandra@codesourcery.com>
3248
3249 * doc/invoke.texi (Optimize Options): Add cross-reference to
3250 -Q --help=optimizers examples.
3251
3252 2009-04-10 Ben Elliston <bje@au.ibm.com>
3253
3254 PR target/36800
3255 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
3256 regalign for the reg == fpr and TDmode case.
3257
3258 2009-04-09 David Ayers <ayers@fsfe.org>
3259
3260 PR objc/29200
3261 * objc/objc-act.c (warn_with_method): Remove helper function.
3262 (check_duplicates): Call warning and inform directly.
3263 (really_start_method): Likewise.
3264
3265 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
3266
3267 * expmed.c (expand_divmod): Always use a comparison for a division
3268 by a large unsigned integer.
3269
3270 * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
3271 for things others than variables or functions as nonzero.
3272
3273 2009-04-09 Nick Clifton <nickc@redhat.com>
3274
3275 * unwind-compat.c: Change copyright header to refer to version
3276 3 of the GNU General Public License with version 3.1 of the
3277 GCC Runtime Library Exception and to point readers at the
3278 COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
3279 * config/alpha/crtfastmath.c: Likewise.
3280 * config/alpha/linux-unwind.h: Likewise.
3281 * config/alpha/qrnnd.asm: Likewise.
3282 * config/alpha/vms-crt0-64.c: Likewise.
3283 * config/alpha/vms-crt0.c: Likewise.
3284 * config/alpha/vms-dwarf2.asm: Likewise.
3285 * config/alpha/vms-dwarf2eh.asm: Likewise.
3286 * config/alpha/vms-psxcrt0-64.c: Likewise.
3287 * config/alpha/vms-psxcrt0.c: Likewise.
3288 * config/alpha/vms_tramp.asm: Likewise.
3289 * config/arc/initfini.c: Likewise.
3290 * config/arc/lib1funcs.asm: Likewise.
3291 * config/arm/bpabi-v6m.S: Likewise.
3292 * config/arm/bpabi.S: Likewise.
3293 * config/arm/bpabi.c: Likewise.
3294 * config/arm/crti.asm: Likewise.
3295 * config/arm/crtn.asm: Likewise.
3296 * config/arm/ieee754-df.S: Likewise.
3297 * config/arm/ieee754-sf.S: Likewise.
3298 * config/arm/lib1funcs.asm: Likewise.
3299 * config/arm/libunwind.S: Likewise.
3300 * config/arm/linux-atomic.c: Likewise.
3301 * config/arm/mmintrin.h: Likewise.
3302 * config/arm/pr-support.c: Likewise.
3303 * config/arm/unaligned-funcs.c: Likewise.
3304 * config/arm/unwind-arm.c: Likewise.
3305 * config/arm/unwind-arm.h: Likewise.
3306 * config/avr/libgcc.S: Likewise.
3307 * config/bfin/crti.s: Likewise.
3308 * config/bfin/crtlibid.s: Likewise.
3309 * config/bfin/crtn.s: Likewise.
3310 * config/bfin/lib1funcs.asm: Likewise.
3311 * config/bfin/linux-unwind.h: Likewise.
3312 * config/cris/arit.c: Likewise.
3313 * config/cris/cris_abi_symbol.c: Likewise.
3314 * config/darwin-64.c: Likewise.
3315 * config/darwin-crt2.c: Likewise.
3316 * config/darwin-crt3.c: Likewise.
3317 * config/darwin.h: Likewise.
3318 * config/dbxelf.h: Likewise.
3319 * config/dfp-bit.c: Likewise.
3320 * config/dfp-bit.h: Likewise.
3321 * config/elfos.h: Likewise.
3322 * config/fixed-bit.c: Likewise.
3323 * config/fixed-bit.h: Likewise.
3324 * config/fp-bit.c: Likewise.
3325 * config/fp-bit.h: Likewise.
3326 * config/fr30/crti.asm: Likewise.
3327 * config/fr30/crtn.asm: Likewise.
3328 * config/fr30/lib1funcs.asm: Likewise.
3329 * config/freebsd-spec.h: Likewise.
3330 * config/frv/cmovd.c: Likewise.
3331 * config/frv/cmovh.c: Likewise.
3332 * config/frv/cmovw.c: Likewise.
3333 * config/frv/frvbegin.c: Likewise.
3334 * config/frv/frvend.c: Likewise.
3335 * config/frv/lib1funcs.asm: Likewise.
3336 * config/glibc-stdint.h: Likewise.
3337 * config/h8300/clzhi2.c: Likewise.
3338 * config/h8300/crti.asm: Likewise.
3339 * config/h8300/crtn.asm: Likewise.
3340 * config/h8300/ctzhi2.c: Likewise.
3341 * config/h8300/fixunssfsi.c: Likewise.
3342 * config/h8300/lib1funcs.asm: Likewise.
3343 * config/h8300/parityhi2.c: Likewise.
3344 * config/h8300/popcounthi2.c: Likewise.
3345 * config/i386/ammintrin.h: Likewise.
3346 * config/i386/att.h: Likewise.
3347 * config/i386/avxintrin.h: Likewise.
3348 * config/i386/biarch64.h: Likewise.
3349 * config/i386/bmmintrin.h: Likewise.
3350 * config/i386/cpuid.h: Likewise.
3351 * config/i386/cross-stdarg.h: Likewise.
3352 * config/i386/crtfastmath.c: Likewise.
3353 * config/i386/crtprec.c: Likewise.
3354 * config/i386/cygming-crtbegin.c: Likewise.
3355 * config/i386/cygming-crtend.c: Likewise.
3356 * config/i386/cygwin.asm: Likewise.
3357 * config/i386/emmintrin.h: Likewise.
3358 * config/i386/gmm_malloc.h: Likewise.
3359 * config/i386/gthr-win32.c: Likewise.
3360 * config/i386/i386.h: Likewise.
3361 * config/i386/immintrin.h: Likewise.
3362 * config/i386/linux-unwind.h: Likewise.
3363 * config/i386/linux64.h: Likewise.
3364 * config/i386/mm3dnow.h: Likewise.
3365 * config/i386/mmintrin-common.h: Likewise.
3366 * config/i386/mmintrin.h: Likewise.
3367 * config/i386/nmmintrin.h: Likewise.
3368 * config/i386/pmm_malloc.h: Likewise.
3369 * config/i386/pmmintrin.h: Likewise.
3370 * config/i386/smmintrin.h: Likewise.
3371 * config/i386/sol2-c1.asm: Likewise.
3372 * config/i386/sol2-ci.asm: Likewise.
3373 * config/i386/sol2-cn.asm: Likewise.
3374 * config/i386/sol2-gc1.asm: Likewise.
3375 * config/i386/tmmintrin.h: Likewise.
3376 * config/i386/unix.h: Likewise.
3377 * config/i386/w32-unwind.h: Likewise.
3378 * config/i386/wmmintrin.h: Likewise.
3379 * config/i386/x86-64.h: Likewise.
3380 * config/i386/x86intrin.h: Likewise.
3381 * config/i386/xmmintrin.h: Likewise.
3382 * config/ia64/crtbegin.asm: Likewise.
3383 * config/ia64/crtend.asm: Likewise.
3384 * config/ia64/crtfastmath.c: Likewise.
3385 * config/ia64/crti.asm: Likewise.
3386 * config/ia64/crtn.asm: Likewise.
3387 * config/ia64/fde-glibc.c: Likewise.
3388 * config/ia64/lib1funcs.asm: Likewise.
3389 * config/ia64/linux-unwind.h: Likewise.
3390 * config/ia64/quadlib.c: Likewise.
3391 * config/ia64/unwind-ia64.c: Likewise.
3392 * config/linux.h: Likewise.
3393 * config/m32c/m32c-lib1.S: Likewise.
3394 * config/m32c/m32c-lib2-trapv.c: Likewise.
3395 * config/m32c/m32c-lib2.c: Likewise.
3396 * config/m32r/initfini.c: Likewise.
3397 * config/m68hc11/larith.asm: Likewise.
3398 * config/m68hc11/m68hc11-crt0.S: Likewise.
3399 * config/m68k/cf.md: Likewise.
3400 * config/m68k/crti.s: Likewise.
3401 * config/m68k/crtn.s: Likewise.
3402 * config/m68k/lb1sf68.asm: Likewise.
3403 * config/m68k/linux-unwind.h: Likewise.
3404 * config/mcore/crti.asm: Likewise.
3405 * config/mcore/crtn.asm: Likewise.
3406 * config/mcore/lib1.asm: Likewise.
3407 * config/mips/linux-unwind.h: Likewise.
3408 * config/mips/loongson.h: Likewise.
3409 * config/mips/mips16.S: Likewise.
3410 * config/mmix/crti.asm: Likewise.
3411 * config/mmix/crtn.asm: Likewise.
3412 * config/pa/fptr.c: Likewise.
3413 * config/pa/hpux-unwind.h: Likewise.
3414 * config/pa/lib2funcs.asm: Likewise.
3415 * config/pa/linux-atomic.c: Likewise.
3416 * config/pa/linux-unwind.h: Likewise.
3417 * config/pa/milli64.S: Likewise.
3418 * config/pa/quadlib.c: Likewise.
3419 * config/pa/stublib.c: Likewise.
3420 * config/picochip/libgccExtras/adddi3.asm: Likewise.
3421 * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
3422 * config/picochip/libgccExtras/ashlsi3.c: Likewise.
3423 * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
3424 * config/picochip/libgccExtras/ashrsi3.c: Likewise.
3425 * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
3426 * config/picochip/libgccExtras/divmod15.asm: Likewise.
3427 * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
3428 * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
3429 * config/picochip/libgccExtras/longjmp.asm: Likewise.
3430 * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
3431 * config/picochip/libgccExtras/lshrsi3.c: Likewise.
3432 * config/picochip/libgccExtras/parityhi2.asm: Likewise.
3433 * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
3434 * config/picochip/libgccExtras/setjmp.asm: Likewise.
3435 * config/picochip/libgccExtras/subdi3.asm: Likewise.
3436 * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
3437 * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
3438 * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
3439 * config/rs6000/750cl.h: Likewise.
3440 * config/rs6000/altivec.h: Likewise.
3441 * config/rs6000/biarch64.h: Likewise.
3442 * config/rs6000/crtresfpr.asm: Likewise.
3443 * config/rs6000/crtresgpr.asm: Likewise.
3444 * config/rs6000/crtresxfpr.asm: Likewise.
3445 * config/rs6000/crtresxgpr.asm: Likewise.
3446 * config/rs6000/crtsavfpr.asm: Likewise.
3447 * config/rs6000/crtsavgpr.asm: Likewise.
3448 * config/rs6000/darwin-asm.h: Likewise.
3449 * config/rs6000/darwin-fallback.c: Likewise.
3450 * config/rs6000/darwin-fpsave.asm: Likewise.
3451 * config/rs6000/darwin-ldouble.c: Likewise.
3452 * config/rs6000/darwin-tramp.asm: Likewise.
3453 * config/rs6000/darwin-unwind.h: Likewise.
3454 * config/rs6000/darwin-vecsave.asm: Likewise.
3455 * config/rs6000/darwin-world.asm: Likewise.
3456 * config/rs6000/e500crtres32gpr.asm: Likewise.
3457 * config/rs6000/e500crtres64gpr.asm: Likewise.
3458 * config/rs6000/e500crtres64gprctr.asm: Likewise.
3459 * config/rs6000/e500crtrest32gpr.asm: Likewise.
3460 * config/rs6000/e500crtrest64gpr.asm: Likewise.
3461 * config/rs6000/e500crtresx32gpr.asm: Likewise.
3462 * config/rs6000/e500crtresx64gpr.asm: Likewise.
3463 * config/rs6000/e500crtsav32gpr.asm: Likewise.
3464 * config/rs6000/e500crtsav64gpr.asm: Likewise.
3465 * config/rs6000/e500crtsav64gprctr.asm: Likewise.
3466 * config/rs6000/e500crtsavg32gpr.asm: Likewise.
3467 * config/rs6000/e500crtsavg64gpr.asm: Likewise.
3468 * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
3469 * config/rs6000/eabi-ci.asm: Likewise.
3470 * config/rs6000/eabi-cn.asm: Likewise.
3471 * config/rs6000/eabi.asm: Likewise.
3472 * config/rs6000/linux-unwind.h: Likewise.
3473 * config/rs6000/linux64.h: Likewise.
3474 * config/rs6000/paired.h: Likewise.
3475 * config/rs6000/paired.md: Likewise.
3476 * config/rs6000/ppc64-fp.c: Likewise.
3477 * config/rs6000/ppu_intrinsics.h: Likewise.
3478 * config/rs6000/rs6000.h: Likewise.
3479 * config/rs6000/si2vmx.h: Likewise.
3480 * config/rs6000/sol-ci.asm: Likewise.
3481 * config/rs6000/sol-cn.asm: Likewise.
3482 * config/rs6000/spe.h: Likewise.
3483 * config/rs6000/spu2vmx.h: Likewise.
3484 * config/rs6000/sysv4.h: Likewise.
3485 * config/rs6000/tramp.asm: Likewise.
3486 * config/rs6000/vec_types.h: Likewise.
3487 * config/s390/linux-unwind.h: Likewise.
3488 * config/s390/tpf-unwind.h: Likewise.
3489 * config/score/crti.asm: Likewise.
3490 * config/score/crtn.asm: Likewise.
3491 * config/sh/crt1.asm: Likewise.
3492 * config/sh/crti.asm: Likewise.
3493 * config/sh/crtn.asm: Likewise.
3494 * config/sh/divtab-sh4-300.c: Likewise.
3495 * config/sh/divtab-sh4.c: Likewise.
3496 * config/sh/divtab.c: Likewise.
3497 * config/sh/lib1funcs-4-300.asm: Likewise.
3498 * config/sh/lib1funcs-Os-4-200.asm: Likewise.
3499 * config/sh/lib1funcs.asm: Likewise.
3500 * config/sh/lib1funcs.h: Likewise.
3501 * config/sh/linux-atomic.asm: Likewise.
3502 * config/sh/linux-unwind.h: Likewise.
3503 * config/sh/shmedia.h: Likewise.
3504 * config/sh/sshmedia.h: Likewise.
3505 * config/sh/ushmedia.h: Likewise.
3506 * config/sparc/crtfastmath.c: Likewise.
3507 * config/sparc/linux-unwind.h: Likewise.
3508 * config/sparc/sol2-c1.asm: Likewise.
3509 * config/sparc/sol2-ci.asm: Likewise.
3510 * config/sparc/sol2-cn.asm: Likewise.
3511 * config/spu/divmodti4.c: Likewise.
3512 * config/spu/divv2df3.c: Likewise.
3513 * config/spu/float_disf.c: Likewise.
3514 * config/spu/float_unsdidf.c: Likewise.
3515 * config/spu/float_unsdisf.c: Likewise.
3516 * config/spu/float_unssidf.c: Likewise.
3517 * config/spu/mfc_multi_tag_release.c: Likewise.
3518 * config/spu/mfc_multi_tag_reserve.c: Likewise.
3519 * config/spu/mfc_tag_release.c: Likewise.
3520 * config/spu/mfc_tag_reserve.c: Likewise.
3521 * config/spu/mfc_tag_table.c: Likewise.
3522 * config/spu/multi3.c: Likewise.
3523 * config/spu/spu_internals.h: Likewise.
3524 * config/spu/spu_intrinsics.h: Likewise.
3525 * config/spu/spu_mfcio.h: Likewise.
3526 * config/spu/vec_types.h: Likewise.
3527 * config/spu/vmx2spu.h: Likewise.
3528 * config/stormy16/stormy16-lib2.c: Likewise.
3529 * config/svr4.h: Likewise.
3530 * config/sync.c: Likewise.
3531 * config/v850/lib1funcs.asm: Likewise.
3532 * config/vxlib-tls.c: Likewise.
3533 * config/vxlib.c: Likewise.
3534 * config/vxworks-dummy.h: Likewise.
3535 * config/xtensa/crti.asm: Likewise.
3536 * config/xtensa/crtn.asm: Likewise.
3537 * config/xtensa/ieee754-df.S: Likewise.
3538 * config/xtensa/ieee754-sf.S: Likewise.
3539 * config/xtensa/lib1funcs.asm: Likewise.
3540 * config/xtensa/lib2funcs.S: Likewise.
3541 * config/xtensa/linux-unwind.h: Likewise.
3542 * config/xtensa/unwind-dw2-xtensa.c: Likewise.
3543 * config/xtensa/unwind-dw2-xtensa.h: Likewise.
3544 * coretypes.h: Likewise.
3545 * crtstuff.c: Likewise.
3546 * defaults.h: Likewise.
3547 * dwarf2.h: Likewise.
3548 * emutls.c: Likewise.
3549 * gbl-ctors.h: Likewise.
3550 * gcov-io.h: Likewise.
3551 * ginclude/float.h: Likewise.
3552 * ginclude/iso646.h: Likewise.
3553 * ginclude/stdarg.h: Likewise.
3554 * ginclude/stdbool.h: Likewise.
3555 * ginclude/stddef.h: Likewise.
3556 * ginclude/stdfix.h: Likewise.
3557 * ginclude/stdint-gcc.h: Likewise.
3558 * ginclude/tgmath.h: Likewise.
3559 * gthr-aix.h: Likewise.
3560 * gthr-dce.h: Likewise.
3561 * gthr-gnat.c: Likewise.
3562 * gthr-gnat.h: Likewise.
3563 * gthr-lynx.h: Likewise.
3564 * gthr-mipssde.h: Likewise.
3565 * gthr-nks.h: Likewise.
3566 * gthr-posix.c: Likewise.
3567 * gthr-posix.h: Likewise.
3568 * gthr-posix95.h: Likewise.
3569 * gthr-rtems.h: Likewise.
3570 * gthr-single.h: Likewise.
3571 * gthr-solaris.h: Likewise.
3572 * gthr-tpf.h: Likewise.
3573 * gthr-vxworks.h: Likewise.
3574 * gthr-win32.h: Likewise.
3575 * gthr.h: Likewise.
3576 * libgcc2.c: Likewise.
3577 * libgcc2.h: Likewise.
3578 * libgcov.c: Likewise.
3579 * tsystem.h: Likewise.
3580 * typeclass.h: Likewise.
3581 * unwind-c.c: Likewise.
3582 * unwind-compat.h: Likewise.
3583 * unwind-dw2-fde-compat.c: Likewise.
3584 * unwind-dw2-fde-darwin.c: Likewise.
3585 * unwind-dw2-fde-glibc.c: Likewise.
3586 * unwind-dw2-fde.c: Likewise.
3587 * unwind-dw2-fde.h: Likewise.
3588 * unwind-dw2.c: Likewise.
3589 * unwind-dw2.h: Likewise.
3590 * unwind-generic.h: Likewise.
3591 * unwind-pe.h: Likewise.
3592 * unwind-sjlj.c: Likewise.
3593 * unwind.inc: Likewise.
3594 * config/arm/neon-gen.ml: Change generated copyright header to
3595 refer to version 3 of the GNU General Public License with
3596 version 3.1 of the GCC Runtime Library Exception and to point
3597 readers at the COPYING3 and COPYING3.RUNTIME files and the
3598 FSF's license web page.
3599 * config/arm/arm_neon.h: Regenerate.
3600
3601 2009-04-09 Jakub Jelinek <jakub@redhat.com>
3602
3603 * config/cris/cris.md: Change copyright header to refer to version
3604 3 of the GNU General Public License.
3605 * doc/install.texi2html: Change copyright header to refer to version
3606 3 of the GNU General Public License and to point readers at the
3607 COPYING3 file and the FSF's license web page.
3608 * config/vax/linux.h: Likewise.
3609
3610 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
3611
3612 * config/i386/i386.md (cmpcc): New.
3613 * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
3614 (sync_compare_and_swap_cc*): Delete.
3615
3616 * config/s390/s390.c (s390_compare_emitted): Remove.
3617 (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
3618 s390_compare_emitted used to be handled. Assert that modes match.
3619 (s390_emit_compare_and_swap): Use s390_emit_compare, do not
3620 refer to sync_compare_and_swap_ccsi.
3621 * config/s390/s390.h (s390_compare_emitted): Remove.
3622 * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
3623 instead of s390_compare_emitted.
3624 (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
3625 instead of s390_compare_emitted.
3626 * config/s390/s390.md (cmpcc): New.
3627 (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
3628 CC_REGNUM, do not pretend it's set.
3629 (sync_compare_and_swap_cc*): Delete.
3630 * config/s390/predicates.md (cc_reg_operand): New.
3631
3632 * expr.c (sync_compare_and_swap_cc): Delete.
3633 * optabs.h (sync_compare_and_swap_cc): Delete.
3634 * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
3635 is being used with can_compare_p.
3636 (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
3637 (find_cc_set): New.
3638 (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
3639 look for a MODE_CC set instead. Use emit_store_flag.
3640 (expand_compare_and_swap_loop): Likewise, with some additional
3641 complication to avoid a force_reg when useless. Use
3642 emit_cmp_and_jump_insns.
3643 * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
3644 * doc/md.texi (sync_compare_and_swap_cc): Merge with
3645 sync_compare_and_swap documentation.
3646
3647 2009-04-09 Jan Hubicka <jh@suse.cz>
3648
3649 * except.c (find_prev_try): Break out from ....
3650 (duplicate_eh_regions): ... here; properly update prev_try pointers
3651 when duplication part of tree.
3652 (dump_eh_tree): Improve dumping.
3653 (verify_eh_region): New.
3654 (verify_eh_tree): Use it.
3655
3656 2009-04-06 Richard Guenther <rguenther@suse.de>
3657
3658 * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
3659 &ARRAY addresses by adjusting their types and prepending
3660 a conversion.
3661 * tree-cfg.c (verify_gimple_assign_single): Verify that
3662 addresses are correct.
3663
3664 2009-04-09 Richard Guenther <rguenther@suse.de>
3665
3666 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
3667 indices into an array reference if possible.
3668 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
3669 Fold POINTER_PLUS_EXPR statements with invariant address.
3670
3671 2009-04-09 Alan Modra <amodra@bigpond.net.au>
3672
3673 PR target/39634
3674 * config.gcc (powerpc64-*-linux*): Always build biarch.
3675
3676 2009-04-09 Joseph Myers <joseph@codesourcery.com>
3677
3678 PR c/39613
3679 * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
3680 it and pedwarn if this results in an INTEGER_CST.
3681
3682 2009-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3683
3684 * doc/install.texi: Update minimum GMP version. Remove obsolete
3685 text in MPFR section.
3686
3687 2009-04-08 Jakub Jelinek <jakub@redhat.com>
3688
3689 * dwarf2out.c (class_scope_p): New static inline.
3690 (class_or_namespace_scope_p): Use it.
3691 (gen_variable_die): Use DW_TAG_member tag for static data member
3692 declarations instead of DW_TAG_variable.
3693
3694 PR middle-end/39573
3695 * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
3696 variables.
3697
3698 2009-04-08 Richard Guenther <rguenther@suse.de>
3699
3700 * tree-ssa-sccvn.c (valueize_refs): Do not continue to
3701 valueize random data.
3702
3703 2009-04-08 David Edelsohn <edelsohn@gnu.org>
3704
3705 * config.gcc (aix tm_file): Add aix-stdint.h.
3706 (aix tm clause use_gcc_stdint): Set to wrap.
3707 * config/rs6000/aix-stdint.h: New file.
3708
3709 2009-04-08 Richard Guenther <rguenther@suse.de>
3710
3711 PR middle-end/36291
3712 * tree-dfa.c (add_referenced_var): Do not recurse into
3713 global initializers.
3714 * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
3715 exposed variables.
3716 (fold_const_aggregate_ref): Likewise.
3717
3718 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
3719
3720 * recog.c (ordered_comparison_operator): New.
3721 * gensupport.c (std_preds): Add it.
3722 * doc/md.texi (Machine-Independent Predicates): Document it.
3723
3724 2009-04-08 Jan Hubicka <jh@suse.cz>
3725
3726 * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
3727 * function.h (rtl_eh): Remove exception_handler_label_map.
3728 * except.c (ehl_hash, ehl_eq, add_ehl_entry,
3729 remove_exception_handler_label, for_each_eh_label_1): Remove.
3730 (rtl_remove_unreachable_regions): Remove.
3731 (convert_from_eh_region_ranges): Do not remove unreachable regions.
3732 (find_exception_handler_labels): Don't build the hashtable.
3733 (maybe_remove_eh_handler): Remove.
3734 (for_each_eh_label): Rewrite to walk the tree.
3735 (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
3736 * except.h (maybe_remove_eh_handler): Remove.
3737 * passes.c (init_optimization_passes): Schedule second EH cleanup
3738 before out-of-ssa.
3739 * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
3740 cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
3741
3742 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
3743
3744 * genoutput.c (validate_optab_operands): New.
3745 (gen_insn, gen_expand): Call it.
3746
3747 * genflags.c (gen_insn): Detect misused iterators.
3748 (main): Pass line_no to gen_insn, exit with status 1 on error.
3749
3750 * genextract.c (line_no): Make global.
3751 (VEC_safe_set_locstr): Change assertion to error message.
3752 (main): Exit with status 1 on error.
3753
3754 2009-04-08 Joseph Myers <joseph@codesourcery.com>
3755
3756 PR c/39614
3757 PR c/39673
3758 * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3759 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3760 EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
3761 * c-convert.c (convert): Do not call fold on results of conversion
3762 functions when the result is a C_MAYBE_CONST_EXPR.
3763 * c-parser.c (c_parser_postfix_expression): Do not fold condition
3764 of __builtin_choose_expr.
3765 * c-typeck.c (remove_c_maybe_const_expr): New.
3766 (build_unary_op, build_conditional_expr, build_compound_expr,
3767 build_binary_op, c_objc_common_truthvalue_conversion): Call
3768 remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
3769 integer operands.
3770
3771 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
3772
3773 * fold-const.c (const_binop): Combine two VECTOR_CST under operation
3774 CODE to produce a new one. Add a prototype to use fold_convert_const
3775
3776 2009-04-08 Danny Smith <dannysmith@users.sourceforge.net>
3777
3778 PR bootstrap/39660
3779 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
3780 mix declarations and code.
3781
3782 2009-04-08 Ben Elliston <bje@au.ibm.com>
3783
3784 * gcc.c: Replace `CC' with `GCC' throughout.
3785
3786 2009-04-07 H.J. Lu <hongjiu.lu@intel.com>
3787
3788 * doc/invoke.texi: Document Atom support.
3789
3790 2009-04-07 Jason Merrill <jason@redhat.com>
3791
3792 PR c++/25185
3793 * c-common.h, c-common.c: Add flag_pretty_templates.
3794 * c-opts.c (c_common_handle_option): Set it.
3795 * c.opt: Add -fno-pretty-templates.
3796 * doc/invoke.texi (C++ Dialect Options): Likewise.
3797
3798 2009-04-07 Uros Bizjak <ubizjak@gmail.com>
3799
3800 * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
3801 (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
3802 (ia64_expand_builtin): Likewise.
3803
3804 2009-04-07 Martin Jambor <mjambor@suse.cz>
3805
3806 * tree-ssa-alias.c (refs_may_alias_p_1): Check for
3807 is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
3808 ADDR_EXPRS are include too.
3809
3810 2009-04-07 Richard Guenther <rguenther@suse.de>
3811
3812 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
3813 decls are only used if passes as parameters or if they are
3814 local statics and the call is not to a builtin.
3815 (call_may_clobber_ref_p_1): Likewise.
3816
3817 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
3818
3819 * expr.c (do_store_flag): Remove last argument. Simplify code
3820 to avoid duplication of tests already done by can_compare_p.
3821 (expand_expr_real_1): Adjust caller.
3822
3823 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
3824
3825 * optabs.c (can_compare_p): Test the predicate of a
3826 cbranch and cstore pattern.
3827
3828 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
3829
3830 * expr.c (convert_move): Use emit_store_flag instead of
3831 "emulating" it.
3832
3833 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
3834
3835 * config/i386/i386.c (ix86_compare_emitted): Remove.
3836 (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
3837 ix86_compare_op0 like ix86_compare_emitted used to be handled.
3838 * config/i386/i386.h (ix86_compare_emitted): Remove.
3839 * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
3840 instead of ix86_compare_emitted.
3841 * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
3842
3843 2009-04-07 Andrew Stubbs <ams@codesourcery.com>
3844
3845 * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
3846 Add t-sysroot-suffix to tmake_file.
3847 * config/print-sysroot-suffix.sh: New file.
3848 * config/t-sysroot-suffix: New file.
3849
3850 2009-04-07 Ben Elliston <bje@au.ibm.com>
3851
3852 * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
3853 as the latter produces a warning when the target does not support
3854 infinity.
3855
3856 2009-04-07 Ben Elliston <bje@au.ibm.com>
3857
3858 * dfp.c: Replace type punning assignments with memcpy throughout.
3859 * Makefile.in (dfp.o-warn): Remove.
3860
3861 2009-04-07 Alan Modra <amodra@bigpond.net.au>
3862
3863 PR target/39634
3864 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
3865 Include soft-fp/t-softfp after rs6000/t-linux64.
3866
3867 2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
3868
3869 * stor-layout.c (set_sizetype): Use the full precision of their
3870 machine mode for bitsize types.
3871
3872 2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
3873
3874 * config/i386/i386.md: Revert 2 accidental checkins.
3875
3876 2009-04-06 Joey Ye <joey.ye@intel.com>
3877 Xuepeng Guo <xuepeng.guo@intel.com>
3878 H.J. Lu <hongjiu.lu@intel.com>
3879
3880 Atom pipeline model, tuning and insn selection.
3881 * config.gcc (atom): Add atom config options and target.
3882
3883 * config/i386/atom.md: New.
3884
3885 * config/i386/i386.c (atom_cost): New cost.
3886 (m_ATOM): New macro flag.
3887 (initial_ix86_tune_features): Set m_ATOM.
3888 (x86_accumulate_outgoing_args): Likewise.
3889 (x86_arch_always_fancy_math_387): Likewise.
3890 (processor_target): Add Atom cost.
3891 (cpu_names): Add Atom cpu name.
3892 (override_options): Set Atom ISA.
3893 (ix86_issue_rate): New case PROCESSOR_ATOM.
3894 (ix86_adjust_cost): Likewise.
3895
3896 * config/i386/i386.h (TARGET_ATOM): New target macro.
3897 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
3898 (TARGET_OPT_AGU): New target option.
3899 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
3900 (processor_type): Add PROCESSOR_ATOM.
3901
3902 * config/i386/i386.md (cpu): Add new value "atom".
3903 (use_carry, movu): New attr.
3904 (atom.md): Include atom.md.
3905 (adddi3_carry_rex64): Set attr "use_carry".
3906 (addqi3_carry): Likewise.
3907 (addhi3_carry): Likewise.
3908 (addsi3_carry): Likewise.
3909 (*addsi3_carry_zext): Likewise.
3910 (subdi3_carry_rex64): Likewise.
3911 (subqi3_carry): Likewise.
3912 (subhi3_carry): Likewise.
3913 (subsi3_carry): Likewise.
3914 (x86_movdicc_0_m1_rex64): Likewise.
3915 (*x86_movdicc_0_m1_se): Likewise.
3916 (x86_movsicc_0_m1): Likewise.
3917 (*x86_movsicc_0_m1_se): Likewise.
3918 (*adddi_1_rex64): Emit add insn as much as possible.
3919 (*addsi_1): Likewise.
3920 (return_internal): Set atom_unit.
3921 (return_internal_long): Likewise.
3922 (return_pop_internal): Likewise.
3923 (*rcpsf2_sse): Set atom_sse_attr attr.
3924 (*qrt<mode>2_sse): Likewise.
3925 (*prefetch_sse): Likewise.
3926
3927 * config/i386/i386-c.c (ix86_target_macros_internal): New case
3928 PROCESSOR_ATOM.
3929 (ix86_target_macros_internal): Likewise.
3930
3931 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
3932 (*prefetch_sse_rex): Likewise.
3933 (sse_rcpv4sf2): Likewise.
3934 (sse_vmrcpv4sf2): Likewise.
3935 (sse_sqrtv4sf2): Likewise.
3936 (<sse>_vmsqrt<mode>2): Likewise.
3937 (sse_ldmxcsr): Likewise.
3938 (sse_stmxcsr): Likewise.
3939 (*sse_sfence): Likewise.
3940 (sse2_clflush): Likewise.
3941 (*sse2_mfence): Likewise.
3942 (*sse2_lfence): Likewise.
3943 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
3944 (<sse>_movup<ssemodesuffixf2c>): Likewise.
3945 (avx_movdqu<avxmodesuffix>): Likewise.
3946 (avx_lddqu<avxmodesuffix>): Likewise.
3947 (sse2_movntv2di): Change attr "type" to "ssemov".
3948 (sse2_movntsi): Likewise.
3949 (rsqrtv8sf2): Change attr "type" to "sseadd".
3950 (sse3_addsubv2df3): Set attr "atom_unit".
3951 (sse3_h<plusminus_insn>v4sf3): Likewise.
3952 (*sse2_pmaddwd): Likewise.
3953 (*vec_extractv2di_1_rex64): Likewise.
3954 (*vec_extractv2di_1_avx): Likewise.
3955 (sse2_psadbw): Likewise.
3956 (ssse3_phaddwv8hi3): Likewise.
3957 (ssse3_phaddwv4hi3): Likewise.
3958 (ssse3_phadddv4si3): Likewise.
3959 (ssse3_phadddv2si3): Likewise.
3960 (ssse3_phaddswv8hi3): Likewise.
3961 (ssse3_phaddswv4hi3): Likewise.
3962 (ssse3_phsubwv8hi3): Likewise.
3963 (ssse3_phsubwv4hi3): Likewise.
3964 (ssse3_phsubdv4si3): Likewise.
3965 (ssse3_phsubdv2si3): Likewise.
3966 (ssse3_phsubswv8hi3): Likewise.
3967 (ssse3_phsubswv4hi3): Likewise.
3968 (ssse3_pmaddubsw128): Likewise.
3969 (sse3_pmaddubsw: Likewise.
3970 (ssse3_palignrti): Likewise.
3971 (ssse3_palignrdi): Likewise.
3972
3973 2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
3974
3975 * doc/install.texi (Specific): Fix two cross-references to MinGW.
3976
3977 2009-04-06 Richard Guenther <rguenther@suse.de>
3978
3979 PR tree-optimization/28868
3980 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
3981 of which PHI results we inserted.
3982 (insert_into_preds_of_block): Record inserted PHIs.
3983 (eliminate): Eliminate redundant PHI nodes.
3984 (init_pre): Init inserted_phi_names.
3985
3986 2009-04-06 Richard Guenther <rguenther@suse.de>
3987
3988 PR tree-optimization/39643
3989 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
3990 IMAGPART_EXPRs of complex constants.
3991 (execute_fold_all_builtins): If we folded a call queue
3992 TODO_update_address_taken.
3993
3994 2009-04-06 Jan Hubicka <jh@suse.cz>
3995
3996 PR middle-end/39659
3997 * except.c (remove_unreachable_regions): Propagate may_contain_throw
3998 flag.
3999
4000 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
4001
4002 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
4003 delay slot.
4004 (ic_invalidate_array): Likewise.
4005
4006 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
4007
4008 * calls.c (emit_library_call_value_1): Fix a problem with parameter
4009 alignment for library calls.
4010
4011 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
4012
4013 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
4014 (mingw32 tm clause use_gcc_stdint): Set to wrap.
4015 * config/i386/mingw-stdint.h: New file.
4016
4017 2009-04-05 Richard Guenther <rguenther@suse.de>
4018
4019 PR tree-optimization/39648
4020 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
4021 our &A vs. &A[0] IL deficiencies.
4022
4023 2009-04-04 Jan Hubicka <jh@suse.cz>
4024
4025 * except.c (sjlj_find_directly_reachable_regions): Be ready for
4026 removed toplevel regions.
4027 (sjlj_mark_call_sites): Likewise.
4028
4029 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
4030
4031 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
4032 (cygwin tm clause use_gcc_stdint): Set to wrap.
4033 * config/i386/cygwin-stdint.h: New file.
4034
4035 2009-04-04 Richard Guenther <rguenther@suse.de>
4036
4037 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
4038 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
4039 single-argument PHIs if we are in loop-closed SSA form.
4040 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
4041 for the pre-condition.
4042 (slpeel_tree_peel_loop_to_edge): Likewise.
4043 (vect_build_loop_niters): Take an optional sequence to append stmts.
4044 (vect_generate_tmps_on_preheader): Likewise.
4045 (vect_do_peeling_for_loop_bound): Take extra guards for the
4046 pre-condition.
4047 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
4048 the cost model check.
4049 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
4050 guards if we are going to peel. Do not apply versioning in that case.
4051 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
4052 (vect_do_peeling_for_loop_bound): Likewise.
4053 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
4054 loop bound only record extra pre-conditions, do not apply loop
4055 versioning.
4056
4057 2009-04-04 Richard Guenther <rguenther@suse.de>
4058
4059 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
4060 renaming code.
4061
4062 2009-04-04 Jan Hubicka <jh@suse.cz>
4063
4064 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
4065 last_basic_block for size of bb->index indexed array.
4066 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
4067 compute_out, link_btr_uses, build_btr_def_use_webs,
4068 build_btr_def_use_webs, migrate_btr_defs): Likewise.
4069
4070 2009-04-04 Jan Hubicka <jh@suse.cz>
4071
4072 * except.c (remove_eh_handler_and_replace): Break out from ...
4073 (remove_eh_handler): ... here.
4074 (bring_to_root): New function.
4075 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
4076 handled ones, bring others to root of tree.
4077
4078 2009-04-04 Jan Hubicka <jh@suse.cz>
4079
4080 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
4081 (all_phis_safe_to_merge): New function.
4082 (update_info): New structure.
4083 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
4084 (cleanup_empty_eh): Update SSA if possible.
4085
4086 2009-04-04 Richard Guenther <rguenther@suse.de>
4087
4088 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
4089 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
4090 (append_vuse): Likewise.
4091
4092 2009-04-04 Jakub Jelinek <jakub@redhat.com>
4093
4094 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
4095 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
4096 instead of REG_UNSAVED for DW_CFA_undefined.
4097 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
4098 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
4099 outermost frame.
4100
4101 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
4102
4103 PR target/39501
4104 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
4105 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
4106 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
4107
4108 2009-04-04 Richard Guenther <rguenther@suse.de>
4109
4110 PR tree-optimization/8781
4111 PR tree-optimization/37892
4112 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
4113 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
4114 (valueize_refs): Call it for *& valueizations.
4115 (shared_reference_ops_from_ref): Rename to ...
4116 (valueize_shared_reference_ops_from_ref): ... this and valueize.
4117 (shared_reference_ops_from_call): Rename to ...
4118 (valueize_shared_reference_ops_from_call): ... this and valueize.
4119 (vn_reference_lookup): Update.
4120 (visit_reference_op_call): Likewise.
4121 * tree-ssa-pre.c (phi_translate_1): Fold *&.
4122 (eliminate): Value-replace the call address in call statements.
4123
4124 2009-04-04 Richard Guenther <rguenther@suse.de>
4125
4126 PR tree-optimization/39636
4127 * tree-ssa-forwprop.c
4128 (forward_propagate_addr_into_variable_array_index): Check for
4129 GIMPLE_ASSIGN before accessing the rhs code.
4130
4131 2009-04-03 Jason Merrill <jason@redhat.com>
4132
4133 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
4134
4135 2009-04-03 Steve Ellcey <sje@cup.hp.com>
4136
4137 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
4138 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
4139 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
4140 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
4141 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
4142 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
4143 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
4144 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
4145 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
4146 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
4147 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
4148 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
4149 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
4150 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
4151 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
4152 Use fr_reg_or_fp01_operand instead of fr_register_operand
4153
4154 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
4155 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
4156 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
4157
4158 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
4159
4160 PR rtl-optimization/39607
4161 PR rtl-optimization/39631
4162
4163 Revert:
4164
4165 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
4166 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
4167 instead of DF_LR_OUT.
4168 * ira-lives.c (process_bb_node_lives): Ditto.
4169 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
4170 instead of DF_LR_{OUT,IN}.
4171 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
4172 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
4173
4174 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
4175
4176 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
4177 (execute_lower_omp): Always run but take the short way out if -fopenmp
4178 is not given.
4179 (gate_lower_omp): Remove, forcing the pass manager to always run the
4180 pass and always set PROP_gimple_lomp.
4181 (pass_lower_omp): Remove gate function.
4182 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
4183 PROP_trees. Instead, require it.
4184 * ipa-cp.c (pass_ipa_cp): Likewise.
4185 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
4186 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
4187 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
4188 and PROP_gimple_leh.
4189
4190 2009-04-03 Richard Guenther <rguenther@suse.de>
4191
4192 PR middle-end/13146
4193 PR tree-optimization/23940
4194 PR tree-optimization/33237
4195 PR middle-end/33974
4196 PR middle-end/34093
4197 PR tree-optimization/36201
4198 PR tree-optimization/36230
4199 PR tree-optimization/38049
4200 PR tree-optimization/38207
4201 PR tree-optimization/38230
4202 PR tree-optimization/38301
4203 PR tree-optimization/38585
4204 PR middle-end/38895
4205 PR tree-optimization/38985
4206 PR tree-optimization/39299
4207 * tree-ssa-structalias.h: Remove.
4208 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
4209 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
4210 (struct vuse_element_d): Remove.
4211 (struct vuse_vec_d): Likewise.
4212 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
4213 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
4214 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
4215 VUSE_ELEMENT_VAR): Likewise.
4216 (struct voptype_d): Likewise.
4217 (NUM_VOP_FREE_BUCKETS): Likewise.
4218 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
4219 (struct stmt_operands_d): Remove.
4220 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
4221 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
4222 VDEF_NUM, VDEF_VECT): Likewise.
4223 (copy_virtual_operands): Remove.
4224 (operand_build_cmp): Likewise.
4225 (create_ssa_artificial_load_stmt): Likewise.
4226 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
4227 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
4228 vuse_index and mayuse_index members. Pack and move done and iter_type
4229 members to the front.
4230 (SSA_OP_VMAYUSE): Remove.
4231 (SSA_OP_VIRTUAL_USES): Adjust.
4232 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
4233 (unlink_stmt_vdef): Declare.
4234 (add_to_addressable_set): Remove.
4235 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
4236 (vrp_visit_stmt): Likewise.
4237 * doc/tree-ssa.texi (Alias analysis): Update.
4238 * doc/invoke.texi (max-aliased-vops): Remove docs.
4239 (avg-aliased-vops): Likewise.
4240 * tree-into-ssa.c (syms_to_rename): Remove.
4241 (need_to_update_vops_p): Likewise.
4242 (need_to_initialize_update_ssa_p): Rename to ...
4243 (update_ssa_initialized_fn): ... this. Track function we are
4244 initialized for.
4245 (symbol_marked_for_renaming): Simplify.
4246 (add_new_name_mapping): Do not set need_to_update_vops_p.
4247 (dump_currdefs): Use SYMS_TO_RENAME.
4248 (rewrite_update_stmt): Always walk all uses/defs.
4249 (dump_update_ssa): Adjust.
4250 (init_update_ssa): Take function argument. Track what we are
4251 initialized for.
4252 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
4253 (create_new_def_for): Initialize for cfun, assert we are initialized
4254 for cfun.
4255 (mark_sym_for_renaming): Simplify.
4256 (mark_set_for_renaming): Do not initialize update-ssa.
4257 (need_ssa_update_p): Simplify. Take function argument.
4258 (name_mappings_registered_p): Assert we ask for the correct function.
4259 (name_registered_for_update_p): Likewise.
4260 (ssa_names_to_replace): Likewise.
4261 (release_ssa_name_after_update_ssa): Likewise.
4262 (update_ssa): Likewise. Use SYMS_TO_RENAME.
4263 (dump_decl_set): Do not print a newline.
4264 (debug_decl_set): Do it here.
4265 (dump_update_ssa): And here.
4266 * tree-ssa-loop-im.c (move_computations): Adjust.
4267 (movement_possibility): Likewise.
4268 (determine_max_movement): Likewise.
4269 (gather_mem_refs_stmt): Likewise.
4270 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
4271 or NAME_MEMORY_TAG.
4272 * tree-complex.c (update_all_vops): Remove.
4273 (expand_complex_move): Adjust.
4274 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
4275 Simplify test for memory referencing statement. Exclude
4276 non-invariant ADDR_EXPRs.
4277 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
4278 * tree-loop-distribution.c (generate_memset_zero): Adjust.
4279 (rdg_flag_uses): Likewise.
4280 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
4281 related code.
4282 (tree_optimize_tail_calls_1): Also split the
4283 edge from the entry block if we have degenerate PHI nodes in
4284 the first basic block.
4285 * tree.c (init_ttree): Remove memory-tag related code.
4286 (tree_code_size): Likewise.
4287 (tree_node_structure): Likewise.
4288 (build7_stat): Re-write to be build6_stat.
4289 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
4290 (SSA_VAR_P): Adjust.
4291 (struct tree_memory_tag): Remove.
4292 (struct tree_memory_partition_tag): Likewise.
4293 (union tree_node): Adjust.
4294 (build7): Re-write to be build6.
4295 * tree-pass.h (pass_reset_cc_flags): Remove.
4296 (TODO_update_address_taken): New flag.
4297 (pass_simple_dse): Remove.
4298 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
4299 * params.h (MAX_ALIASED_VOPS): Remove.
4300 (AVG_ALIASED_VOPS): Likewise.
4301 * omp-low.c (expand_omp_taskreg): Update SSA form.
4302 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
4303 aliases the lhs in a copy stmt.
4304 * tree-ssa-dse.c (struct address_walk_data): Remove.
4305 (memory_ssa_name_same): Likewise.
4306 (memory_address_same): Likewise.
4307 (get_kill_of_stmt_lhs): Likewise.
4308 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
4309 unused stores. Look through PHI nodes into post-dominated regions.
4310 (dse_optimize_stmt): Simplify. Properly remove stores.
4311 (tree_ssa_dse): Compute dominators.
4312 (execute_simple_dse): Remove.
4313 (pass_simple_dse): Likewise.
4314 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
4315 gimple_loaded_syms and gimple_stored_syms computation.
4316 * toplev.c (dump_memory_report): Dump alias and pta stats.
4317 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
4318 (vn_reference_eq): Likewise.
4319 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
4320 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
4321 valueize_vuses): Remove.
4322 (get_def_ref_stmt_vuses): Simplify. Rename to ...
4323 (get_def_ref_stmt_vuse): ... this.
4324 (vn_reference_lookup_2): New function.
4325 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
4326 walking equivalent vuses. Simplify.
4327 (vn_reference_lookup): Likewise.
4328 (vn_reference_insert): Likewise.
4329 (vn_reference_insert_pieces): Likewise.
4330 (visit_reference_op_call): Simplify.
4331 (visit_reference_op_load): Likewise.
4332 (visit_reference_op_store): Likewise.
4333 (init_scc_vn): Remove shared_lookup_vuses initialization.
4334 (free_scc_vn): Remove shared_lookup_vuses freeing.
4335 (sort_vuses, sort_vuses_heap): Remove.
4336 (get_ref_from_reference_ops): Export.
4337 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
4338 vector with single vuse pointer.
4339 (vn_reference_lookup_pieces, vn_reference_lookup,
4340 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
4341 (shared_vuses_from_stmt): Remove.
4342 (get_ref_from_reference_ops): Declare.
4343 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
4344 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
4345 memory-tag related code.
4346 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
4347 (likely_value): Add comment, skip static-chain of call statements.
4348 (surely_varying_stmt_p): Adjust.
4349 (gimplify_and_update_call_from_tree): Likewise.
4350 (execute_fold_all_builtins): Do not rebuild alias info.
4351 (gimplify_and_update_call_from_tree): Properly update VOPs.
4352 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
4353 (copy_ref_info): Remove memory-tag related code.
4354 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
4355 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
4356 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
4357 computation.
4358 * tree-ssa-dom.c (gimple_p): Remove typedef.
4359 (eliminate_redundant_computations): Adjust.
4360 (record_equivalences_from_stmt): Likewise.
4361 (avail_expr_hash): Likewise.
4362 (avail_expr_eq): Likewise.
4363 * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
4364 (stmt_makes_single_load): Likewise.
4365 (stmt_makes_single_store): Likewise.
4366 * tree-ssa-alias.c: Rewrite completely.
4367 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
4368 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
4369 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
4370 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
4371 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
4372 Remove public functions.
4373 (pass_reset_cc_flags): Remove.
4374 (pass_build_alias): Move ...
4375 * tree-ssa-structalias.c (pass_build_alias): ... here.
4376 * tree-ssa-alias.c (may_be_aliased): Move ...
4377 * tree-flow-inline.h (may_be_aliased): ... here.
4378 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
4379 count_uses_and_derefs): Move ...
4380 * gimple.c: ... here.
4381 * gimple.h (count_uses_and_derefs): Declare.
4382 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
4383 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
4384 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
4385 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
4386 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
4387 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
4388 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
4389 New functions.
4390 * tree-dfa.c (refs_may_alias_p): Move ...
4391 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
4392 * tree-ssa-alias.h: New file.
4393 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
4394 (statement_sink_location): Likewise.
4395 * opts.c (decode_options): Do not adjust max-aliased-vops or
4396 avg-aliased-vops values.
4397 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
4398 (TV_CALL_CLOBBER): Likewise.
4399 (TV_FLOW_SENSITIVE): Likewise.
4400 (TV_FLOW_INSENSITIVE): Likewise.
4401 (TV_MEMORY_PARTITIONING): Likewise.
4402 (TV_ALIAS_STMT_WALK): New timevar.
4403 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
4404 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
4405 (get_address_description): Remove memory-tag related code.
4406 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
4407 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
4408 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
4409 and immediate uses in statements. Document.
4410 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
4411 (dump_symbols): Remove.
4412 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
4413 * alias.c (get_deref_alias_set): New function split out from ...
4414 (get_alias_set): ... here.
4415 * alias.h (get_deref_alias_set): Declare.
4416 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
4417 type parameter. Remove restrict pointer handling. Create a
4418 ref-all pointer in case type-based alias sets do not conflict.
4419 (vect_analyze_data_refs): Remove SMT related code.
4420 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
4421 (vectorizable_load): Likewise.
4422 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
4423 (DR_SYMBOL_TAG, DR_VOPS): Remove.
4424 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
4425 Ignore vops and SMTs.
4426 (dr_analyze_alias): Likewise..
4427 (free_data_ref): Likewise.
4428 (create_data_ref): Likewise.
4429 (analyze_all_data_dependences): Likewise.
4430 (get_references_in_stmt): Adjust.
4431 * tree-flow-inline.h (gimple_aliases_computed_p,
4432 gimple_addressable_vars, gimple_call_clobbered_vars,
4433 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
4434 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
4435 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
4436 gimple_mem_ref_stats): Remove.
4437 (gimple_vop): New function.
4438 (op_iter_next_use): Remove vuses and mayuses cases.
4439 (op_iter_next_def): Remove vdefs case.
4440 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
4441 (clear_and_done_ssa_iter): Do not set removed fields.
4442 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
4443 Assert we are not iterating over vuses or vdefs if not also
4444 iterating over uses or defs.
4445 (op_iter_init_use): Likewise.
4446 (op_iter_init_def): Likewise.
4447 (op_iter_next_vdef): Remove.
4448 (op_iter_next_mustdef): Likewise.
4449 (op_iter_init_vdef): Likewise.
4450 (compare_ssa_operands_equal): Likewise.
4451 (link_use_stmts_after): Handle vuse operand.
4452 (is_call_used): Use is_call_clobbered.
4453 (is_call_clobbered): Global variables are always call clobbered,
4454 query the call-clobbers bitmap.
4455 (mark_call_clobbered): Ignore global variables.
4456 (clear_call_clobbered): Likewise.
4457 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
4458 virtual operands sanity check.
4459 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
4460 Remove.
4461 (TARGET_MEM_REF): Remove TMR_TAG operand.
4462 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
4463 Remove call-clobber related code.
4464 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
4465 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
4466 partitions or escape reason.
4467 (get_single_def_stmt, get_single_def_stmt_from_phi,
4468 get_single_def_stmt_with_phi): Remove.
4469 (dump_referenced_vars): Tidy.
4470 (get_ref_base_and_extent): Allow bare decls.
4471 (collect_dfa_stats): Adjust.
4472 * graphite.c (rename_variables_in_stmt): Adjust.
4473 (graphite_copy_stmts_from_block): Likewise.
4474 (translate_clast): Likewise.
4475 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
4476 (EXPR_DIES): New.
4477 (translate_vuse_through_block): Use the oracle.
4478 (phi_translate_1): Adjust.
4479 (value_dies_in_block_x): Use the oracle. Cache the outcome
4480 in EXPR_DIES.
4481 (valid_in_sets): Check if the VUSE for
4482 a REFERENCE is available.
4483 (eliminate): Do not remove stmts during elimination,
4484 instead queue and remove them afterwards.
4485 (do_pre): Do not rebuild alias info.
4486 (pass_pre): Run TODO_rebuild_alias before PRE.
4487 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
4488 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
4489 (mark_all_v_defs_stmt): Remove.
4490 (mark_all_v_defs_seq): Adjust.
4491 (sra_replace): Likewise.
4492 (scalarize_use): Likewise.
4493 (scalarize_copy): Likewise.
4494 (scalarize_init): Likewise.
4495 (scalarize_ldst): Likewise.
4496 (todoflags): Remove.
4497 (tree_sra): Do not rebuild alias info.
4498 (tree_sra_early): Adjust.
4499 (pass_sra): Run TODO_update_address_taken before SRA.
4500 * tree-predcom.c (set_alias_info): Remove.
4501 (prepare_initializers_chain): Do not call it.
4502 (mark_virtual_ops_for_renaming): Adjust.
4503 (mark_virtual_ops_for_renaming_list): Remove.
4504 (initialize_root_vars): Adjust.
4505 (initialize_root_vars_lm): Likewise.
4506 (prepare_initializers_chain): Likewise.
4507 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
4508 (may_propagate_copy_into_stmt): Likewise.
4509 (merge_alias_info): Do nothing for now.
4510 (propagate_tree_value_into_stmt): Adjust.
4511 (stmt_may_generate_copy): Likewise.
4512 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
4513 not mark symbols for renaming.
4514 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
4515 with the same statement, make sure to update the new pointed-to one.
4516 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
4517 call statements, do not mark symbols for renaming.
4518 (mark_operand_necessary): Dump something.
4519 (ref_may_be_aliased): New function.
4520 (mark_aliased_reaching_defs_necessary_1): New helper function.
4521 (mark_aliased_reaching_defs_necessary): Likewise.
4522 (mark_all_reaching_defs_necessary_1): Likewise.
4523 (mark_all_reaching_defs_necessary): Likewise.
4524 (propagate_necessity): Do not process virtual PHIs. For
4525 non-aliased loads mark all reaching definitions as necessary.
4526 For aliased loads and stores mark the immediate dominating
4527 aliased clobbers as necessary.
4528 (visited): New global static.
4529 (perform_tree_ssa_dce): Free visited bitmap after propagating
4530 necessity.
4531 (remove_dead_phis): Perform simple dead virtual PHI removal.
4532 (remove_dead_stmt): Properly unlink virtual operands when
4533 removing stores.
4534 (eliminate_unnecessary_stmts): Schedule PHI removal after
4535 stmt removal.
4536 * tree-ssa-ter.c (is_replaceable_p): Adjust.
4537 (process_replaceable): Likewise.
4538 (find_replaceable_in_bb): Likewise.
4539 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
4540 based on the single gimple vop.
4541 (verify_flow_insensitive_alias_info): Remove.
4542 (verify_flow_sensitive_alias_info): Likewise.
4543 (verify_call_clobbering): Likewise.
4544 (verify_memory_partitions): Likewise.
4545 (verify_alias_info): Likewise.
4546 (verify_ssa): Adjust..
4547 (execute_update_addresses_taken): Export. Update SSA
4548 manually. Optimize only when optimizing. Use a local bitmap.
4549 (pass_update_address_taken): Remove TODO_update_ssa, add
4550 TODO_dump_func.
4551 (pass_update_address_taken): Just use TODO_update_address_taken.
4552 (init_tree_ssa): Do not initialize addressable_vars.
4553 (verify_ssa): Verify new VUSE / VDEF properties.
4554 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
4555 Do not call verify_alias_info.
4556 (delete_tree_ssa): Clear the VUSE, VDEF operands.
4557 Do not free the loaded and stored syms bitmaps. Reset the escaped
4558 and callused solutions. Do not free addressable_vars.
4559 Remove memory-tag related code.
4560 (warn_uninitialized_var): Aliases are always available.
4561 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
4562 * lambda-code.c (can_put_in_inner_loop): Adjust.
4563 (can_put_after_inner_loop): Likewise.
4564 (perfect_nestify): Likewise.
4565 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
4566 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
4567 (vectorizable_conversion): Do not mark symbols for renaming.
4568 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
4569 (expand_call_inline): Unlink the calls virtual operands before
4570 replacing it.
4571 (tree_function_versioning): Do not call update_ssa if we are not
4572 updating clones. Simplify.
4573 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
4574 (propagate_with_phi): Likewise..
4575 * tree-outof-ssa.c (create_temp): Remove memory tag and call
4576 clobber code. Assert we are not aliased or global.
4577 * tree-flow.h: Include tree-ssa-alias.h
4578 (enum escape_type): Remove.
4579 (struct mem_sym_stats_d): Likewise.
4580 (struct mem_ref_stats_d): Likewise.
4581 (struct gimple_df): Add vop member. Remove global_var,
4582 call_clobbered_vars, call_used_vars, addressable_vars,
4583 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
4584 escaped and callused members.
4585 (struct ptr_info_def): Remove all members, add points-to solution
4586 member pt.
4587 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
4588 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
4589 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
4590 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
4591 (tree-ssa-alias.o): Likewise.
4592 (toplev.o): Add tree-ssa-alias.h
4593 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
4594 * gimple.c (gimple_set_bb): Fix off-by-one error.
4595 (is_gimple_reg): Do not handle memory tags.
4596 (gimple_copy): Also copy virtual operands.
4597 Delay updating the statement. Do not reset loaded and stored syms.
4598 (gimple_set_stored_syms): Remove.
4599 (gimple_set_loaded_syms): Likewise.
4600 (gimple_call_copy_skip_args): Copy the virtual operands
4601 and mark the new statement modified.
4602 * tree-ssa-structalias.c (may_alias_p): Remove.
4603 (set_uids_in_ptset): Take the alias set to prune with as
4604 parameter. Fold in the alias test of may_alias_p.
4605 (compute_points_to_sets): Compute whether a ptr is dereferenced
4606 in a local sbitmap.
4607 (process_constraint): Deal with &ANYTHING on the lhs, reject all
4608 other ADDRESSOF constraints on the lhs.
4609 (get_constraint_for_component_ref): Assert that we don't get
4610 ADDRESSOF constraints from the base of the reference.
4611 Properly generate UNKNOWN_OFFSET for DEREF if needed.
4612 (struct variable_info): Remove collapsed_to member.
4613 (get_varinfo_fc): Remove.
4614 (new_var_info): Do not set collapsed_to.
4615 (dump_constraint): Do not follow cycles.
4616 (dump_constraint_graph): Likewise.
4617 (build_pred_graph): Likewise.
4618 (build_succ_graph): Likewise.
4619 (rewrite_constraints): Likewise.
4620 (do_simple_structure_copy): Remove.
4621 (do_rhs_deref_structure_copy): Remove.
4622 (do_lhs_deref_structure_copy): Remove.
4623 (collapse_rest_of_var): Remove.
4624 (do_structure_copy): Re-implement.
4625 (pta_stats): New global variable.
4626 (dump_pta_stats): New function.
4627 (struct constraint_expr): Make offset signed.
4628 (UNKNOWN_OFFSET): Define special value.
4629 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
4630 (solution_set_expand): New helper function split out from ...
4631 (do_sd_constraint): ... here.
4632 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
4633 (do_ds_constraint): Likewise.
4634 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
4635 and CALLUSED = *CALLUSED.
4636 (set_union_with_increment): Make inc argument signed.
4637 (type_safe): Remove.
4638 (get_constraint_for_ptr_offset): Handle unknown and negative
4639 constant offsets.
4640 (first_vi_for_offset): Handle offsets before start. Bail
4641 out early for offsets beyond the variable extent.
4642 (first_or_preceding_vi_for_offset): New function.
4643 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
4644 Together with ESCAPED = *ESCAPED this properly computes reachability.
4645 (find_what_var_points_to): New function.
4646 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
4647 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
4648 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
4649 pt_solutions_intersect): New functions.
4650 (compute_call_used_vars): Remove.
4651 (compute_may_aliases): New main entry into PTA computation.
4652 * gimple.h (gimple_p): New typedef.
4653 (struct gimple_statement_base): Remove references_memory_p.
4654 (struct gimple_statement_with_memory_ops_base): Remove
4655 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
4656 members.
4657 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
4658 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
4659 gimple_set_references_memory): Remove.
4660 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
4661 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
4662 New functions.
4663 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
4664 (verify_expr): Allow RESULT_DECL.
4665 (gimple_duplicate_bb): Do not copy virtual operands.
4666 (gimple_duplicate_sese_region): Adjust.
4667 (gimple_duplicate_sese_tail): Likewise.
4668 (mark_virtual_ops_in_region): Remove.
4669 (move_sese_region_to_fn): Do not call it.
4670 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
4671 and pass_simple_dse.
4672 (execute_function_todo): Handle TODO_update_address_taken,
4673 call execute_update_addresses_taken for TODO_rebuild_alias.
4674 (execute_todo): Adjust.
4675 (execute_one_pass): Init dump files early.
4676 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
4677 call-clobbered.
4678 (create_general_new_stmt): Clear vops.
4679 * tree-ssa-reassoc.c (get_rank): Adjust.
4680 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
4681 symbols for renaming.
4682 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
4683 (PARAM_AVG_ALIASED_VOPS): Likewise.
4684 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
4685 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
4686 * tree-ssa-operands.c: Simplify for new virtual operand representation.
4687 (operand_build_cmp, copy_virtual_operands,
4688 create_ssa_artificial_load_stmt, add_to_addressable_set,
4689 gimple_add_to_addresses_taken): Remove public functions.
4690 (unlink_stmt_vdef): New function.
4691
4692 2009-04-03 Alan Modra <amodra@bigpond.net.au>
4693
4694 * config.gcc (powerpc-*-linux*): Merge variants.
4695
4696 2009-04-02 Chao-ying Fu <fu@mips.com>
4697 James Grosbach <james.grosbach@microchip.com>
4698
4699 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
4700 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
4701 cop0_sp_offset.
4702 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
4703 keep_interrupts_masked_p, use_debug_exception_return_p.
4704 (mips_attribute_table): Add interrupt, use_shadow_register_set,
4705 keep_interrupts_masked, use_debug_exception_return.
4706 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
4707 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
4708 New functions.
4709 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
4710 (mips_print_operand): Process COP0 registers to print $0 .. $31
4711 correctly for GAS to process.
4712 (mips_interrupt_extra_call_saved_reg_p): New function.
4713 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
4714 extra registers.
4715 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
4716 (mips_compute_frame_info): Add supports for interrupt context that
4717 includes doubleword accumulators and COP0 registers.
4718 (mips_for_each_saved_acc): New function.
4719 (mips_for_each_saved_gpr_and_fpr): Change the function name from
4720 mips_for_each_saved_reg.
4721 (mips_save_reg): Save accumulators.
4722 (mips_kernel_reg_p): A new for_each_rtx callback.
4723 (mips_expand_prologue): Support interrupt handlers.
4724 (mips_restore_reg): Restore accumulators.
4725 (mips_expand_epilogue): Support interrupt handlers.
4726 (mips_can_use_return_insn): Return false for interrupt handlers.
4727 (mips_epilogue_uses): New function.
4728 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
4729 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
4730 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
4731 cop0_move): New instructions.
4732 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
4733 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
4734 defines.
4735 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
4736 New defines.
4737 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
4738 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
4739 interrupt handlers, we use K0 as the temporary register.
4740 (EPILOGUE_USES): Change to a function call.
4741 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
4742 handlers, we use K0 as the temporary register.
4743
4744 * doc/extend.texi (Function Attributes): Document interrupt,
4745 use_shadow_register_set, keep_interrupts_masked,
4746 use_debug_exception_return for MIPS attributes.
4747
4748 2009-04-03 Alan Modra <amodra@bigpond.net.au>
4749
4750 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
4751 Remove a number of t-files from tmake_file.
4752 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
4753 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
4754 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
4755 target_prototype, not TARGET_PROTOTYPE.
4756 (LINK_OS_GNU_SPEC): Define.
4757 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
4758 and darwin-ldoubdle.c.
4759
4760 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
4761
4762 PR driver/39293
4763 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
4764 (cpp_options): Ditto.
4765 (default_compilers): Ditto.
4766 (display_help): Ditto.
4767 (process_command): Ditto.
4768 (do_spec_1): Ditto.
4769 (set_input): Use lbasename instead of duplicate code.
4770 (save_temps_prefix): New static for -save-temps=obj.
4771 (save_temps_length): Ditto.
4772
4773 * doc/invoke.texi (-save-temps=obj): Document new variant to
4774 -save-temps switch.
4775
4776 2009-04-02 Jeff Law <law@redhat.com>
4777
4778 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
4779 variable.
4780
4781 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
4782
4783 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
4784 * configure: Regenerated.
4785
4786 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
4787
4788 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
4789 share the argument list.
4790
4791 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
4792
4793 Merge
4794
4795 2009-02-12 Diego Novillo <dnovillo@google.com>
4796
4797 * varpool.c (debug_varpool): New.
4798 * cgraph.h (debug_varpool): Declare.
4799
4800 2009-04-02 Jan Hubicka <jh@suse.cz>
4801
4802 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
4803 pass.
4804
4805 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
4806
4807 * config/i386/i386.c (ix86_abi): Move initialization to ...
4808 (override_options): Here.
4809
4810 2009-04-02 Christian Bruel <christian.bruel@st.com>
4811
4812 * config/sh/sh.c (sh_dwarf_register_span): New function.
4813 (TARGET_DWARF_REGISTER_SPAN): Define.
4814 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
4815
4816 2009-04-02 Ira Rosen <irar@il.ibm.com>
4817
4818 PR tree-optimization/39595
4819 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
4820 interleaved loads group is not greater than the SLP group size.
4821
4822 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
4823
4824 * builtins.c (is_builtin_name): New.
4825 (called_as_built_in): Use is_builtin_name.
4826 * tree.h (is_builtin_name): New.
4827 * varasm.c (incorporeal_function_p): Use is_builtin_name
4828
4829 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
4830
4831 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
4832
4833 2009-04-02 Dodji Seketeli <dodji@redhat.com>
4834
4835 PR c++/26693
4836 * c-decl.c (clone_underlying_type): Move this ...
4837 * c-common.c (set_underlying_type): ... here.
4838 Also, make sure the function properly sets TYPE_STUB_DECL() on
4839 the newly created typedef variant type.
4840 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
4841 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
4842 points.
4843
4844 2009-04-02 Richard Guenther <rguenther@suse.de>
4845
4846 PR tree-optimization/37221
4847 * tree-flow.h (degenerate_phi_result): Declare.
4848 * tree-ssa-dom.c (degenerate_phi_result): Export.
4849 * tree-scalar-evolution.c (analyze_initial_condition): If
4850 the initial condition is defined by a degenerate PHI node
4851 use the degenerate value.
4852
4853 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
4854
4855 PR rtl-optimization/39588
4856 * combine.c (merge_outer_ops): Do not set the constant when this
4857 is not necessary.
4858 (simplify_shift_const_1): Do not modify it either in this case.
4859
4860 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
4861
4862 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
4863 tuning is deprecated if -mtune value is set to an Itanium1 variant.
4864
4865 2009-04-01 Janis Johnson <janis187@us.ibm.com>
4866
4867 PR c/29027
4868 * c-lex.c (interpret_float): Default (no suffix) is double.
4869
4870 2009-04-1 Xinliang David Li <davidxl@google.com>
4871
4872 * config/i386/i386.c (legitimate_constant_p): Recognize
4873 all one vector constant.
4874
4875 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
4876
4877 * config/vax/vax.c: Add #includes to silence warnings.
4878 Change #include order to silence two warnings.
4879
4880 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
4881
4882 * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
4883 (ASM_SPEC): Pass -k to the assembler for PIC code.
4884
4885 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
4886
4887 * config.gcc: Add vax-*-linux* to the switch.
4888 * config/vax/linux.h: New file. (TARGET_VERSION,
4889 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
4890
4891 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
4892
4893 * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
4894 Use predicate macros instead of GET_CODE() == foo.
4895 * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
4896 ashlsi3, rotrsi3, <unnamed>): Likewise.
4897
4898 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
4899
4900 * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
4901 jbbccihi, jbbccisi): Remova trailing whitespace.
4902 * config/vax/constraints.md: Likewise.
4903 * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
4904 * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
4905 * config/vax/predicates.md: Likewise.
4906 * config/vax/vax.c (print_operand_address, vax_output_int_move,
4907 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
4908 * config/vax/vax.h: Likewise.
4909 * config/vax/vax.md (nonlocal_goto): Likewise.
4910
4911 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
4912
4913 * config/vax/vax.c (vax_float_literal, vax_output_int_move)
4914 (indirectable_address_p, adjacent_operands_p): Add spaces around
4915 braces.
4916 * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
4917
4918 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
4919
4920 * config/vax/vax.c (legitimate_constant_address_p,
4921 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
4922 index_term_p, reg_plus_index_p, legitimate_address_p,
4923 vax_mode_dependent_address_p): Update comments to match functions
4924 modified by the recent int->bool conversion.
4925
4926 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
4927
4928 * config/vax/builtins.md: Update copyright message.
4929 * config/vax/constraints.md: Likewise.
4930 * config/vax/netbsd-elf.h: Likewise.
4931 * config/vax/predicates.md: Likewise.
4932 * config/vax/vax-protos.h: Likewise.
4933 * config/vax/vax.c: Likewise.
4934 * config/vax/vax.h: Likewise.
4935 * config/vax/vax.md: Likewise.
4936 * config/vax/vax.opt: Likewise.
4937
4938 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
4939
4940 * config/vax/builtins.md (ffssi2, ffssi2_internal,
4941 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
4942 * config/vax/constraints.md (B, R): Likewise.
4943 * config/vax/predicates.md (external_memory_operand,
4944 nonimmediate_addsub_di_operand): Likewise.
4945 * config/vax/vax.c (vax_output_int_add): Likewise.
4946 * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
4947 untyped_call): Likewise.
4948
4949 2009-04-01 Matt Thomas <matt@3am-software.com>
4950
4951 * config/vax/predicates.md: New file.
4952 (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
4953 external_const_operand, nonsymbolic_operand, external_memory_operand,
4954 indirect_memory_operand, indexed_memory_operand,
4955 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
4956 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
4957 predicate.
4958 * config/vax/constraints.md: New file.
4959 (Z0, U06, U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
4960 New constraint.
4961 * config/vax/builtins.md: New file.
4962 (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
4963 jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
4964 jbbccisi): Define.
4965 * config/vax/vax.opt (mqmath): Add option.
4966 * config/vax/vax.md (isfx): Extend with DI.
4967 (VAXintQH, VAXintQHSD): Define.
4968 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
4969 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
4970 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
4971 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
4972 (movdi): Update constraints and use vax_output_int_move().
4973 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
4974 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
4975 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
4976 nonlocal_goto): New.
4977 (mov<mode>): Extend accepted operand types.
4978 (subdi3_old): Rename from subdi3, change update constraints and use
4979 a new implementation.
4980 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
4981 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
4982 MOVE_RATIO, CLEAR_RATIO): Define.
4983 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
4984 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4985 (PRINT_OPERAND): Redefine using a function instead of inlined code.
4986 * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
4987 (split_quadword_operands): Make static and really allow variable
4988 splitting.
4989 (print_operand_address): Update for PIC generation.
4990 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
4991 indexable_address_p, fixup_mathdi_operand,
4992 vax_expand_addsub_di_operands, adjacent_operands_p): New.
4993 (vax_float_literal, legitimate_constant_p,
4994 indirectable_constant_address_p, index_term_p,
4995 reg_plus_index_p): Return bool instead of int.
4996 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
4997 where needed.
4998 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
4999 generation.
5000 (vax_output_conditional_branch): Indent.
5001 (legitimate_constant_address_p, indirectable_constant_address_p,
5002 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
5003 vax_mode_dependent_address_p): Return bool instead of int, update for
5004 PIC generation.
5005 * config/vax/vax-protos.h (legitimate_constant_address_p,
5006 legitimate_constant_p, legitimate_address_p,
5007 vax_mode_dependent_address_p): Change declaration to bool.
5008 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
5009 vax_expand_addsub_di_operands, vax_output_int_subtract,
5010 vax_output_movmemsi): Declare.
5011 (split_quadword_operands, vax_float_literal): Delete declaration.
5012 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
5013 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
5014 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
5015 ASM_OUTPUT_DWARF_PCREL): Define.
5016 (ASM_SPEC): Change definition to allow PIC generation.
5017
5018 2009-04-01 Steve Ellcey <sje@cup.hp.com>
5019
5020 * doc/sourcebuild.texi: Update front-end requirements.
5021
5022 2009-04-01 Jakub Jelinek <jakub@redhat.com>
5023
5024 PR target/39226
5025 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
5026 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
5027 (booldi3_internal3): Use boolean_or_operator instead of
5028 boolean_operator.
5029
5030 2009-04-01 Joseph Myers <joseph@codesourcery.com>
5031
5032 PR c/39605
5033 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
5034 declarator whose size is not an integer constant expression but
5035 folds to an integer constant, then treat it as a constant
5036 subsequently.
5037
5038 2009-04-01 Richard Guenther <rguenther@suse.de>
5039
5040 * fold-const.c (fold_plusminus_mult_expr): Do not fold
5041 i * 4 + 2 to (i * 2 + 1) * 2.
5042
5043 2009-04-01 Jakub Jelinek <jakub@redhat.com>
5044
5045 PR c/37772
5046 * c-parser.c (c_parser_asm_statement): Skip until close paren and
5047 return if c_parser_asm_string_literal returned NULL.
5048
5049 2009-04-01 Nick Clifton <nickc@redhat.com>
5050
5051 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
5052 already defined.
5053 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
5054 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
5055 other typedefs to avoid conflicts with libgcc2.c. Define labels
5056 to gain 16-bit bit-manipulation functions from libgcc2.c and then
5057 include it.
5058 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
5059 to gain 16-bit trapping arithmetic functions from libgcc2.c and
5060 then include it.
5061
5062 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
5063
5064 * varasm.c (default_function_rodata_section): Declare DOT as
5065 const char*.
5066
5067 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
5068 Andrey Galkin <agalkin@hypercom.com>
5069
5070 PR/39492
5071 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
5072 Make object_name unique for each process.
5073
5074 2009-04-01 Jakub Jelinek <jakub@redhat.com>
5075
5076 PR other/39591
5077 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
5078 addressable variables in the parallel that could go out of scope while
5079 running queued tasks.
5080
5081 2009-04-01 Anatoly Sokolov <aesok@post.ru>
5082
5083 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
5084 (CASE_VALUES_THRESHOLD): Redefine.
5085 * config/avr/avr.c (avr_override_options): Remove initialization of
5086 avr_case_values_threshold variable.
5087 (avr_case_values_threshold): Remove variable. Add new function.
5088 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
5089 * config/avr/avr.opt (mno-tablejump): Remove option.
5090 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
5091
5092 2009-04-01 DJ Delorie <dj@redhat.com>
5093
5094 * varasm.c (default_function_rodata_section): Don't assume
5095 anything about where the first '.' in the section name is.
5096
5097 2009-04-01 Alan Modra <amodra@bigpond.net.au>
5098
5099 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
5100 rs6000_emit_stack_tie.
5101
5102 2009-03-31 Ian Lance Taylor <iant@google.com>
5103
5104 * tree-eh.c (tree_remove_unreachable_handlers): Compare
5105 gimple_code with GIMPLE_RESX, not RESX.
5106
5107 2009-03-31 Joseph Myers <joseph@codesourcery.com>
5108
5109 * c-common.c (c_get_ident): New.
5110 (c_common_nodes_and_builtins): Call it for type names that may be NULL.
5111
5112 2009-04-01 Ben Elliston <bje@au.ibm.com>
5113
5114 * config/rs6000/sysv4.opt (msdata): Improve option description.
5115
5116 2009-03-31 Steve Ellcey <sje@cup.hp.com>
5117
5118 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
5119 (divdf3_internal_lat): Remove.
5120 (divxf3_internal_lat): Remove.
5121 (divxf3_internal_thr): Remove.
5122 (divxf): Use divxf3_internal.
5123 * config/ia64/div.md (divsf3_internal_lat): New.
5124 (divdf3_internal_lat): New.
5125 (divxf3_internal): New.
5126
5127 2009-03-31 Joseph Myers <joseph@codesourcery.com>
5128
5129 PR c/448
5130 * Makefile.in (USE_GCC_STDINT): Define.
5131 (stmp-int-hdrs): Install stdint.h if applicable.
5132 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
5133 if known.
5134 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
5135 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
5136 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
5137 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5138 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
5139 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
5140 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
5141 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5142 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
5143 (c_common_nodes_and_builtins): Initialize
5144 underlying_wchar_type_node. Do not initialize
5145 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
5146 nodes for new types.
5147 (c_stddef_cpp_builtins): Define macros for new types.
5148 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
5149 Remove.
5150 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
5151 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
5152 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
5153 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
5154 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
5155 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
5156 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
5157 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
5158 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
5159 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
5160 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
5161 int16_type_node, int32_type_node, int64_type_node,
5162 uint8_type_node, uint16_type_node, c_uint32_type_node,
5163 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
5164 int_least32_type_node, int_least64_type_node,
5165 uint_least8_type_node, uint_least16_type_node,
5166 uint_least32_type_node, uint_least64_type_node,
5167 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
5168 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
5169 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
5170 uintptr_type_node): Define.
5171 * c-cppbuiltin.c (builtin_define_constants,
5172 builtin_define_type_minmax): New.
5173 (builtin_define_stdint_macros): Define more macros.
5174 (c_cpp_builtins): Define more limit macros.
5175 (type_suffix): New.
5176 (builtin_define_type_max): Define in terms of
5177 builtin_define_type_minmax. Remove is_long parameter. All
5178 callers changed.
5179 * config.gcc (use_gcc_stdint): Define.
5180 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
5181 Add newlib-stdint.h for generic targets.
5182 * config/glibc-stdint.h, config/newlib-stdint.h,
5183 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
5184 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
5185 * config/score/score.h (UINTPTR_TYPE): Define.
5186 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
5187 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
5188 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5189 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
5190 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
5191 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
5192 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5193 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
5194 * config/spu/spu.h (STDINT_LONG32): Define.
5195 * configure.ac (use_gcc_stdint): Substitute.
5196 * configure: Regenerate.
5197 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
5198 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
5199 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
5200 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
5201 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
5202 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
5203 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
5204 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
5205 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
5206 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
5207 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
5208 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
5209 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
5210 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
5211 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
5212 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
5213 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
5214 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
5215 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
5216 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
5217 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
5218 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
5219 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
5220 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5221 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
5222 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
5223 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
5224 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5225 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
5226
5227 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
5228
5229 * loop-iv.c (suitable_set_for_replacement): Renamed from
5230 simplify_using_assignment; changed to return bool and to accept new
5231 args DEST and SRC. Return true iff we find a source/destination pair
5232 that can be used to make a replacement, and fill SRC and DEST if so.
5233 Remove arg ALTERED. Don't deal with altered regs here. All callers
5234 changed.
5235 (simplify_using_initial_values): Deal with altered regs here and track
5236 more precisely the effect they have on the validity of our expression.
5237
5238 * loop-iv.c (simplify_using_condition): A condition of the form
5239 (EQ REG CONST) can be used to simply make a substitution.
5240 (simplify_using_initial_values): Keep track of conditions we have seen
5241 and keep using them to simplify new expressions, while applying the
5242 same substitutions to them as to the expression.
5243
5244 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5245 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
5246 GEU/LTU reversed.
5247
5248 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
5249 changed. Use this when trying to improve the upper bound.
5250 Generate the comparison by using simplify_gen_relational.
5251
5252 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
5253
5254 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
5255 functions.
5256 (simplify_using_assignment, simplify_using_initial_values): Call
5257 replace_in_expr to make replacements. Call replace_single_def_regs
5258 once on the initial version of the expression.
5259
5260 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5261
5262 PR target/27237
5263 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
5264
5265 2009-03-31 Richard Guenther <rguenther@suse.de>
5266
5267 PR middle-end/31029
5268 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
5269 equality comparisons. Fold C - X CMP X if C % 2 == 1.
5270
5271 2009-03-31 Richard Guenther <rguenther@suse.de>
5272
5273 * tree.h (div_if_zero_remainder): Declare.
5274 * fold-const.c (div_if_zero_remainder): Export.
5275 * tree-ssa-forwprop.c
5276 (forward_propagate_addr_into_variable_array_index): Handle
5277 constant array index addition outside of the variable index.
5278
5279 2009-03-31 Joseph Myers <joseph@codesourcery.com>
5280
5281 PR target/39592
5282 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
5283 define_splits, floatunssi<mode>2): Require x87 conversions from
5284 DImode to be permitted.
5285
5286 2009-03-31 Joseph Myers <joseph@codesourcery.com>
5287
5288 PR preprocessor/15638
5289 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
5290
5291 2009-03-31 Richard Guenther <rguenther@suse.de>
5292
5293 PR middle-end/23401
5294 PR middle-end/27810
5295 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
5296 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
5297 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
5298 a separate statement.
5299 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
5300 (lookup_tmp_var): Likewise.
5301 (is_gimple_formal_tmp_or_call_rhs): Remove.
5302 (is_gimple_reg_or_call_rhs): Rename to ...
5303 (is_gimple_reg_rhs_or_call): ... this.
5304 (is_gimple_mem_or_call_rhs): Rename to ...
5305 (is_gimple_mem_rhs_or_call): ... this.
5306 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
5307 DECL_GIMPLE_REG_P only if is_formal is true.
5308 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
5309 for non-proper post-modify expression gimplification.
5310 (gimplify_self_mod_expr): For post-modify expressions gimplify
5311 the lvalue to a minimal lvalue.
5312 (rhs_predicate_for): Remove formal temp case.
5313 (gimplify_modify_expr_rhs): Likewise.
5314 (gimplify_addr_expr): Use is_gimple_reg.
5315 (gimplify_expr): Remove formal temp cases.
5316 (gimple_regimplify_operands): Likewise.
5317 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
5318 and FILTER_EXPR like constants.
5319 * gimple.c (walk_gimple_op): Fix val_only initialization, use
5320 is_gimple_reg.
5321 (is_gimple_formal_tmp_rhs): Remove.
5322 (is_gimple_reg_rhs): Remove special casing.
5323 (is_gimple_mem_rhs): Fix.
5324 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
5325 (is_gimple_formal_tmp_var): Remove.
5326 (is_gimple_formal_tmp_reg): Likewise.
5327 (is_gimple_min_lval): Allow invariant component ref parts.
5328 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
5329 is_gimple_formal_tmp_reg): Remove declarations.
5330 * tree-cfg.c (verify_expr): Verify that variables with address
5331 taken do not have DECL_GIMPLE_REG_P set.
5332 * tree-mudflap.c (mf_build_check_statement_for): Use
5333 force_gimple_operand instead of gimplify_expr.
5334
5335 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
5336
5337 * modulo-sched.c (sms_schedule_by_order): Pass the actual
5338 schedulable rows to compute_split_row.
5339
5340 2009-03-31 Ben Elliston <bje@au.ibm.com>
5341
5342 PR target/31635
5343 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
5344 OPT_mvrsave.
5345
5346 2009-03-31 Alan Modra <amodra@bigpond.net.au>
5347
5348 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
5349 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
5350 * configure: Regenerate.
5351 * config.in: Regenerate.
5352 * config/rs6000/rs6000.opt (mtls-markers): Add.
5353 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
5354 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
5355 (tls_ld_aix, tls_ld_sysv): Likewise.
5356 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
5357 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
5358
5359 2009-03-31 Alan Modra <amodra@bigpond.net.au>
5360
5361 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
5362
5363 2009-03-30 Jan Hubicka <jh@suse.cz>
5364
5365 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
5366 out of RESX.
5367 (tree_remove_unreachable_handlers): Cleanup EH predecestor
5368 detection and label handling.
5369
5370 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
5371
5372 * ira-int.h (ira_allocno): Rename left_conflicts_num to
5373 left_conflicts_size.
5374 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
5375 ALLOCNO_LEFT_CONFLICTS_SIZE.
5376
5377 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
5378 remove_allocno_from_bucket_and_push,
5379 allocno_spill_priority_compare, push_allocnos_to_stack,
5380 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
5381 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
5382 (setup_allocno_left_conflicts_num): Ditto. Rename to
5383 setup_allocno_left_conflicts_size.
5384 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
5385 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
5386 setup_allocno_left_conflicts_size instead of
5387 setup_allocno_left_conflicts_num.
5388
5389 * ira-build.c (ira_create_allocno): Use
5390 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
5391 ALLOCNO_LEFT_CONFLICTS_NUM.
5392
5393 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
5394
5395 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
5396 instead of DF_LR_OUT.
5397
5398 * ira-lives.c (process_bb_node_lives): Ditto.
5399
5400 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
5401 instead of DF_LR_{OUT,IN}.
5402
5403 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
5404
5405 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
5406
5407 2009-03-30 Jan Hubicka <jh@suse.cz>
5408
5409 * except.c (label_to_region_map): Fix thinko.
5410
5411 2009-03-30 Steve Ellcey <sje@cup.hp.com>
5412
5413 PR middle-end/38237
5414 * tree.h (tree_find_value): New declaration.
5415 * tree.c (tree_find_value): New function.
5416 * varasm.c (assemble_external): Avoid duplicate entries on lists.
5417
5418 2009-03-30 Jakub Jelinek <jakub@redhat.com>
5419
5420 PR debug/39563
5421 * c-decl.c (struct c_binding): Add locus field.
5422 (bind): Add locus argument, set locus field from it.
5423 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
5424 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
5425 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
5426 implicitly_declare, undeclared_variable, lookup_label,
5427 declare_label, c_make_fname_decl, c_builtin_function,
5428 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
5429 bind callers.
5430
5431 2009-03-30 H.J. Lu <hongjiu.lu@intel.com>
5432
5433 PR target/38781
5434 * config/i386/i386.c (classify_argument): Check total size of
5435 structure.
5436
5437 2009-03-30 Martin Jambor <mjambor@suse.cz>
5438
5439 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
5440 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
5441 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
5442 respectively.
5443
5444 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
5445 seen_variable_array_ref while also traversing a union.
5446
5447 * tree-inline.c (optimize_inline_calls): Do not call
5448 cgraph_node_remove_callees.
5449 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
5450 (pass_remove_cgraph_callee_edges): New variable.
5451 * passes.c (init_optimization_passes): Add
5452 pass_remove_cgraph_callee_edges after early inlining and before all
5453 late intraprocedural passes.
5454
5455 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
5456
5457 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
5458
5459 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
5460 Fix typos in names.
5461
5462 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
5463
5464 * combine.c (simplify_comparison): Use have_insn_for.
5465 * dojump.c (do_jump): Likewise.
5466
5467 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
5468
5469 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
5470 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
5471 sparc_compare_op0 like sparc_compare_emitted used to be handled.
5472 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
5473 instead of sparc_compare_emitted.
5474 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
5475 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
5476 instead of sparc_compare_emitted.
5477
5478 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
5479
5480 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
5481 enter/exit cfglayout mode.
5482 (pass_partition_block): Require it.
5483 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
5484 (combine_instructions): Track basic blocks instead of labels.
5485 (update_cfg_for_uncondjump): New.
5486 (try_combine): Use it. Update jumps after rescanning.
5487 (pass_combine): Require PROP_cfglayout.
5488 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
5489
5490 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
5491
5492 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
5493 Provide/destroy PROP_cfglayout respectively.
5494 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
5495 * tree-pass.h (PROP_cfglayout): New.
5496
5497 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
5498
5499 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
5500 fold_convert_const_fixed_from_fixed,
5501 fold_convert_const_fixed_from_int,
5502 fold_convert_const_fixed_from_real, fold_negate_const): Do not
5503 set TREE_CONSTANT_OVERFLOW.
5504 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
5505 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
5506
5507 2009-03-30 Ira Rosen <irar@il.ibm.com>
5508
5509 * tree-vect-loop-manip.c: New file.
5510 * tree-vectorizer.c: Update documentation and included files.
5511 (vect_loop_location): Make extern.
5512 (rename_use_op): Move to tree-vect-loop-manip.c
5513 (rename_variables_in_bb, rename_variables_in_loop,
5514 slpeel_update_phis_for_duplicate_loop,
5515 slpeel_update_phi_nodes_for_guard1,
5516 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
5517 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
5518 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
5519 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
5520 find_loop_location): Likewise.
5521 (new_stmt_vec_info): Move to tree-vect-stmts.c.
5522 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
5523 get_vectype_for_scalar_type, vect_is_simple_use,
5524 supportable_widening_operation, supportable_narrowing_operation):
5525 Likewise.
5526 (bb_in_loop_p): Move to tree-vect-loop.c.
5527 (new_loop_vec_info, destroy_loop_vec_info,
5528 reduction_code_for_scalar_code, report_vect_op,
5529 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
5530 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
5531 (vect_supportable_dr_alignment): Likewise.
5532 * tree-vectorizer.h (tree-data-ref.h): Include.
5533 (vect_loop_location): Declare.
5534 Reorganize function declarations according to the new file structure.
5535 * tree-vect-loop.c: New file.
5536 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
5537 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
5538 * tree-vect-data-refs.c: New file.
5539 * tree-vect-patterns.c (timevar.h): Don't include.
5540 * tree-vect-stmts.c: New file.
5541 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
5542 tree-vect-slp.c, tree-vect-loop.c.
5543 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
5544 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
5545 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
5546 (tree-vect-analyze.o): Remove.
5547 (tree-vect-transform.o): Likewise.
5548 (tree-vect-data-refs.o): Add rule.
5549 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
5550 tree-vect-slp.o): Likewise.
5551 (tree-vect-patterns.o): Remove redundant dependencies.
5552 (tree-vectorizer.o): Likewise.
5553 * tree-vect-slp.c: New file.
5554
5555 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5556
5557 * optc-gen.awk: Warn if an option flag has multiple different
5558 help strings.
5559
5560 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
5561
5562 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
5563 -floop-block): Document dependences on PPL, CLooG and Graphite.
5564
5565 2009-03-30 Joseph Myers <joseph@codesourcery.com>
5566
5567 PR rtl-optimization/323
5568 * c-common.c (c_fully_fold, convert_and_check,
5569 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
5570 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
5571 * c-common.def (EXCESS_PRECISION_EXPR): New.
5572 * c-cppbuiltin.c (builtin_define_float_constants): Define
5573 constants with enough digits for long double.
5574 * c-lex.c (interpret_float): Interpret constant with excess
5575 precision where appropriate.
5576 * c-opts.c (c_common_post_options): Set
5577 flag_excess_precision_cmdline. Give an error for
5578 -fexcess-precision=standard for C++ for processors where the
5579 option is significant.
5580 * c-parser.c (c_parser_conditional_expression): Handle excess
5581 precision in condition.
5582 * c-typeck.c (convert_arguments): Handle arguments with excess
5583 precision.
5584 (build_unary_op): Move excess precision outside operation.
5585 (build_conditional_expr): Likewise.
5586 (build_compound_expr): Likewise.
5587 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
5588 (build_modify_expr): Handle excess precision in RHS.
5589 (convert_for_assignment): Handle excess precision in converted
5590 value.
5591 (digest_init, output_init_element, process_init_element): Handle
5592 excess precision in initializer.
5593 (c_finish_return): Handle excess precision in return value.
5594 (build_binary_op): Handle excess precision in operands and add
5595 excess precision as needed for operation.
5596 * common.opt (-fexcess-precision=): New option.
5597 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
5598 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
5599 For standard excess precision, output explicit conversion to and
5600 truncation from XFmode.
5601 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
5602 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
5603 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
5604 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
5605 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
5606 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
5607 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
5608 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
5609 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
5610 define_splits, sqrt<mode>2): Disable where appropriate for
5611 standard excess precision.
5612 * convert.c (convert_to_real): Do not shorten arithmetic to type
5613 for which excess precision would be used.
5614 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
5615 * doc/invoke.texi (-fexcess-precision=): Document option.
5616 (-mfpmath=): Correct index entry.
5617 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
5618 flag_excess_precision): New.
5619 * langhooks.c (lhd_post_options): Set
5620 flag_excess_precision_cmdline.
5621 * opts.c (common_handle_option): Handle -fexcess-precision=.
5622 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
5623 init_excess_precision): New.
5624 (lang_dependent_init_target): Call init_excess_precision.
5625 * tree.c (excess_precision_type): New.
5626 * tree.h (excess_precision_type): Declare.
5627
5628 2009-03-30 Joseph Myers <joseph@codesourcery.com>
5629
5630 PR c/35235
5631 * c-typeck.c (build_component_ref): Do not copy qualifiers from
5632 non-lvalue to component.
5633
5634 2009-03-29 Joseph Myers <joseph@codesourcery.com>
5635
5636 PR preprocessor/34695
5637 * Makefile.in (c-opts.o): Depend on c-tree.h.
5638 * c-common.c: Move down include of diagnostic.h.
5639 (done_lexing, c_cpp_error): New.
5640 * c-common.h (done_lexing): Declare.
5641 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
5642 (parse_in).
5643 * c-opts.c: Include c-tree.h.
5644 (c_common_init_options): Set preprocessor error callback.
5645 (c_common_handle_option): Do not set preprocessor
5646 inhibit_warnings, warnings_are_errors, warn_system_headers,
5647 pedantic_errors or inhibit_warnings flags.
5648 (c_common_post_options): Do not check cpp_errors (parse_in).
5649 (c_common_finish): Do not output dependencies if there were
5650 errors. Do not check return value of cpp_finish.
5651 * c-ppoutput.c (pp_file_change): Set input_location.
5652 * c-tree.h (c_cpp_error): Declare.
5653 * diagnostic.c (diagnostic_set_info_translated): Also initialize
5654 override_column.
5655 (diagnostic_build_prefix): Check override_column.
5656 * diagnostic.h (diagnostic_info): Add override_column field.
5657 (diagnostic_override_column): Define.
5658
5659 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
5660
5661 * c-common.c (c_expand_expr, c_staticp): Remove.
5662 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
5663 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
5664 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
5665 * c-gimplify.c (gimplify_compound_literal_expr,
5666 optimize_compound_literals_in_ctor): Remove.
5667 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
5668 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
5669 * c-semantics.c (emit_local_var): Remove.
5670
5671 * langhooks-def.h (lhd_expand_expr): Remove.
5672 * langhooks.c (lhd_expand_expr): Remove.
5673 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
5674
5675 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
5676 handling from c-semantics.c; don't call into langhook.
5677 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
5678 * gimplify.c (gimplify_compound_literal_expr,
5679 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
5680 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
5681 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
5682 as was done in c-gimplify.c.
5683 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
5684 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
5685 Move from c-common.h.
5686 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
5687
5688 * tree.c (staticp): Do not call langhook.
5689 * langhooks.c (lhd_staticp): Delete.
5690 * langhooks-def.h (lhd_staticp): Delete prototype.
5691 (LANG_HOOKS_STATICP): Delete.
5692 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
5693
5694 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
5695 instead of DECL_STMTs.
5696
5697 2009-03-29 Joseph Myers <joseph@codesourcery.com>
5698
5699 PR c/456
5700 PR c/5675
5701 PR c/19976
5702 PR c/29116
5703 PR c/31871
5704 PR c/35198
5705 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
5706 void_type_node.
5707 (fold_call_expr): Return a NOP_EXPR from folding rather than the
5708 contained expression.
5709 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
5710 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
5711 conditional expressions for C.
5712 (decl_constant_value_for_optimization): Move from
5713 decl_constant_value_for_broken_optimization in c-typeck.c. Check
5714 whether optimizing and that the expression is a VAR_DECL not of
5715 array type instead of doing such checks in the caller. Do not
5716 check pedantic. Call gcc_unreachable for C++.
5717 * c-common.def (C_MAYBE_CONST_EXPR): New.
5718 * c-common.h (c_fully_fold, c_save_expr,
5719 decl_constant_value_for_optimization): New prototypes.
5720 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
5721 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
5722 EXPR_INT_CONST_OPERANDS): Define.
5723 * c-convert.c (convert): Strip nops from expression.
5724 * c-decl.c (groktypename): Take extra parameters expr and
5725 expr_const_operands. Update call to grokdeclarator.
5726 (start_decl): Update call to grokdeclarator. Add statement for
5727 expressions used in type of decl.
5728 (grokparm): Update call to grokdeclarator.
5729 (push_parm_decl): Update call to grokdeclarator.
5730 (build_compound_literal): Add parameter non_const and build a
5731 C_MAYBE_COSNT_EXPR if applicable.
5732 (grokdeclarator): Take extra parameters expr and
5733 expr_const_operands. Track expressions used in declaration
5734 specifiers and declarators. Fold array sizes and track whether
5735 they are constant expressions and whether they are integer
5736 constant expressions.
5737 (parser_xref_tag): Set expr and expr_const_operands fields in
5738 return value.
5739 (grokfield): Update call to grokdeclarator.
5740 (start_function): Update call to grokdeclarator.
5741 (build_null_declspecs): Set expr and expr_const_operands fields in
5742 return value.
5743 (declspecs_add_type): Handle expressions in typeof specifiers.
5744 * c-parser.c (c_parser_declspecs): Set expr and
5745 expr_const_operands fields for declaration specifiers.
5746 (c_parser_enum_specifier): Likewise.
5747 (c_parser_struct_or_union_specifier): Likewise.
5748 (c_parser_typeof_specifier): Likewise. Update call to
5749 groktypename. Fold expression as needed. Return expressions with
5750 type instead of adding statements.
5751 (c_parser_attributes): Update calls to c_parser_expr_list.
5752 (c_parser_statement_after_labels): Fold expression before passing
5753 to objc_build_throw_stmt.
5754 (c_parser_condition): Fold expression.
5755 (c_parser_asm_operands): Fold expression.
5756 (c_parser_conditional_expression): Use c_save_expr. Update call
5757 to build_conditional_expr.
5758 (c_parser_alignof_expression): Update call to groktypename.
5759 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
5760 original_code. Fold expression argument of va_arg. Create
5761 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
5762 argument to va_arg. Update calls to groktypename. Fold array
5763 index for offsetof. Verify that first argument to
5764 __builtin_choose_expr has integer type.
5765 (c_parser_postfix_expression_after_paren_type): Update calls to
5766 groktypename and build_compound_literal. Handle expressions with
5767 side effects in type name.
5768 (c_parser_postfix_expression_after_primary): Update call to
5769 c_parser_expr_list. Set original_code for calls to
5770 __builtin_constant_p.
5771 (c_parser_expr_list): Take extra parameter fold_p. Fold
5772 expressions if requested.
5773 (c_parser_objc_type_name): Update call to groktypename.
5774 (c_parser_objc_synchronized_statement): Fold expression.
5775 (c_parser_objc_receiver): Fold expression.
5776 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
5777 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
5778 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
5779 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
5780 (struct c_typespec): Add elements expr and expr_const_operands.
5781 (struct c_declspecs): Add elements expr and expr_const_operands.
5782 (groktypename, build_conditional_expr, build_compound_literal):
5783 Update prototypes.
5784 (in_late_binary_op): Declare.
5785 * c-typeck.c (note_integer_operands): New function.
5786 (in_late_binary_op): New variable.
5787 (decl_constant_value_for_broken_optimization): Move to c-common.c
5788 and rename to decl_constant_value_for_optimization.
5789 (default_function_array_conversion): Do not strip nops.
5790 (default_conversion): Do not call
5791 decl_constant_value_for_broken_optimization.
5792 (build_array_ref): Do not fold result.
5793 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
5794 result when operand is a VLA.
5795 (c_expr_sizeof_type): Update call to groktypename. Handle
5796 expressions included in type name. Use C_MAYBE_CONST_EXPR for
5797 result when operand names a VLA type.
5798 (build_function_call): Update call to build_compound_literal.
5799 Only fold result for calls to __builtin_* functions. Strip
5800 NOP_EXPR from INTEGER_CST returned from such functions. Fold
5801 the function designator.
5802 (convert_arguments): Fold arguments. Update call to
5803 convert_for_assignment.
5804 (build_unary_op): Handle increment and decrement of
5805 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
5806 decrement earlier. Fold operand of increment and decrement.
5807 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
5808 built for integer operand. Wrap returns that are INTEGER_CSTs
5809 without being integer constant expressions or that have integer
5810 constant operands without being INTEGER_CSTs.
5811 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
5812 (build_conditional_expr): Add operand ifexp_bcp. Track whether
5813 result is an integer constant expression or can be used in
5814 unevaluated parts of one and avoid folding and wrap as
5815 appropriate. Fold operands before possibly doing -Wsign-compare
5816 warnings.
5817 (build_compound_expr): Wrap result for C99 if operands can be used
5818 in integer constant expressions.
5819 (build_c_cast): Update call to digest_init. Do not ignore
5820 overflow from casting floating-point constants to integers. Wrap
5821 results that could be confused with integer constant expressions,
5822 null pointer constants or floating-point constants.
5823 (c_cast_expr): Update call to groktypename. Handle expressions
5824 included in type name.
5825 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
5826 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
5827 Update calls to convert_for_assignment.
5828 (convert_for_assignment): Take new parameter
5829 null_pointer_constant. Do not strip nops or call
5830 decl_constant_value_for_broken_optimization. Set
5831 in_late_binary_op for conversions to boolean.
5832 (store_init_value): Update call to digest_init.
5833 (digest_init): Take new parameter null_pointer_constant. Do not
5834 call decl_constant_value_for_broken_optimization. pedwarn for
5835 initializers not constant expressions. Update calls to
5836 convert_for_assignment.
5837 (constructor_nonconst): New.
5838 (struct constructor_stack): Add nonconst element.
5839 (really_start_incremental_init, push_init_level, pop_init_level):
5840 Handle constructor_nonconst and nonconst element.
5841 (set_init_index): Call constant_expression_warning for array
5842 designators.
5843 (output_init_element): Fold value. Set constructor_nonconst as
5844 applicable. pedwarn for initializers not constant expressions.
5845 Update call to digest_init. Call constant_expression_warning
5846 where constant initializers are required.
5847 (process_init_element): Use c_save_expr.
5848 (c_finish_goto_ptr): Fold expression.
5849 (c_finish_return): Fold return value. Update call to
5850 convert_for_assignment.
5851 (c_start_case): Fold switch expression.
5852 (c_process_expr_stmt): Fold expression.
5853 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
5854 ensure statement expression is not evaluated in constant expression.
5855 (build_binary_op): Track whether results are integer constant
5856 expressions or may occur in such, disable folding and wrap results
5857 as applicable. Fold operands for -Wsign-compare warnings unless
5858 in_late_binary_op.
5859 (c_objc_common_truthvalue_conversion): Handle results folded to
5860 integer constants that are not integer constant expressions.
5861 * doc/extend.texi: Document when typeof operands are evaluated,
5862 that condition of __builtin_choose_expr is an integer constant
5863 expression, and more about use of __builtin_constant_p in
5864 initializers.
5865
5866 2009-03-29 Richard Guenther <rguenther@suse.de>
5867
5868 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
5869 propagate addresses of array references.
5870
5871 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
5872
5873 * regmove.c (perhaps_ends_bb_p): Remove.
5874 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
5875 from INSN and check that the main loop stays within that basic block.
5876 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
5877 (regmove_forward_pass): Split out from regmove_optimize. Use
5878 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
5879 (regmove_backward_pass): Split out from regmove_optimize. Use
5880 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
5881 (regmove_optimize): Simplify.
5882
5883 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
5884
5885 PR target/39545
5886 * config/i386/i386.c (classify_argument): Ignore flexible array
5887 member in struct and warn ABI change.
5888
5889 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
5890
5891 * config/i386/i386-protos.h (ix86_agi_dependent): New.
5892
5893 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
5894 (ix86_adjust_cost): Updated.
5895
5896 2009-03-29 Jan Hubicka <jh@suse.cz>
5897
5898 PR middle-end/28850
5899 * tree-pass.h (pass_cleanup_eh): New function.
5900 (remove_unreachable_regions): Break code handling RTL
5901 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
5902 that can not be reached by runtime.
5903 (can_be_reached_by_runtime): New function.
5904 (label_to_region_map): New function.
5905 (num_eh_regions): New function.
5906 (rtl_remove_unreachable_regions): New function.
5907 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
5908 (remove_eh_region): New function.
5909 * except.h: Include sbitmap and vecprim.
5910 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
5911 num_eh_regions): Declare.
5912 * passes.c (init_optimization_passes): Schedule cleanup_eh.
5913 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
5914 * tree-eh.c (tree_remove_unreachable_handlers): New function.
5915 (tree_empty_eh_handler_p): New function.
5916 (cleanup_empty_eh): New function.
5917 (cleanup_eh): New function.
5918 (pass_cleanup_eh): New function.
5919
5920 2009-03-29 Jan Hubicka <jh@suse.cz>
5921
5922 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
5923 for removed regions.
5924
5925 2009-03-29 Jan Hubicka <jh@suse.cz>
5926
5927 * except.c (dump_eh_tree): Dump all datastructures.
5928
5929 2009-03-29 Jan Hubicka <jh@suse.cz>
5930
5931 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
5932 (duplicate_eh_regions_1): Likewise.
5933 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
5934 vector; call EH verification.
5935 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
5936 Be ready for region being removed.
5937
5938 2009-03-29 Jan Hubicka <jh@suse.cz>
5939
5940 * bitmap.c (bitmap_last_set_bit): New function.
5941 * bitmap.h (bitmap_last_set_bit): Declare.
5942
5943 2009-03-29 David Ayers <ayers@fsfe.org>
5944
5945 PR objc/27377
5946 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
5947 by calling objc_compare_types and surpress warnings about
5948 incompatible C pointers that are compatible ObjC pointers.
5949
5950 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
5951
5952 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
5953 call initialize_inline_failed.
5954 (initialize_inline_failed): Move it from here ...
5955 * cgraph.c (initialize_inline_failed): ... to here.
5956 (cgraph_create_edge): Call initialize_inline_failed rather than
5957 setting inline_failed directly.
5958
5959 2009-03-29 Ben Elliston <bje@au.ibm.com>
5960
5961 PR target/32542
5962 * sysv4.opt (msdata): Improve comment.
5963 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
5964 * sysv4.h (SVR4_ASM_SPEC): Likewise.
5965
5966 2009-03-29 Ben Elliston <bje@au.ibm.com>
5967
5968 PR target/30451
5969 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
5970 load and store attributes.
5971
5972 2009-03-29 Ben Elliston <bje@au.ibm.com>
5973
5974 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
5975 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
5976 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
5977 * doc/extend.texi (X86 Built-in Functions): Add index entries for
5978 __builtin_infq and __builtin_huge_valq.
5979
5980 2009-03-28 Anatoly Sokolov <aesok@post.ru>
5981
5982 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
5983 atmega8m1 devices.
5984 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5985 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
5986
5987 2009-03-28 Xinliang David Li <davidxl@google.com>
5988
5989 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
5990 (do_dbg_cnt): New function.
5991
5992 2009-03-28 Jan Hubicka <jh@suse.cz>
5993
5994 Merge from pretty-ipa:
5995
5996 2009-03-27 Jan Hubicka <jh@suse.cz>
5997
5998 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
5999 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
6000 * passes.c (function_called_by_processed_nodes_p): New.
6001 * ipa-pure-const.c (check_call): Fix handling of operands.
6002 (analyze_function): Dump debug output for skipped bodies.
6003 (local_pure_const): Use function_called_by_processed_nodes_p.
6004 * dwarf2out.c (reference_to_unused): Use output.
6005 * passes.c (do_per_function_toporder): Likewise.
6006
6007 2008-11-12 Jan Hubicka <jh@suse.cz>
6008
6009 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
6010 * ipa-pure-const.c (funct_state_d): Add can throw field; make
6011 state_set_in_source enum
6012 (check_decl): Ignore memory tags; do not set fake looping flags;
6013 dump diagnostics.
6014 (check_operand, check_tree, check_rhs_var, check_lhs_var,
6015 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
6016 (check_call, analyze_function): Rewrite.
6017 (check_stmt): New.
6018 (add_new_function): Update call of analyze_function.
6019 (generate_summary): Add call of analyze_function.
6020 (propagate): Propagate can_throw; handle state_set_in_source correctly.
6021 (local_pure_const): New function.
6022 (pass_local_pure_const): New pass.
6023 * ipa-inline.c (inline_transform): Set after_inlining.
6024 * tree-eh.c (stmt_can_throw_external): New.
6025 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
6026 work with aliasing built.
6027 * tree-flow.h (stmt_can_throw_external): New.
6028 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
6029 and local pure/const pass in early and late optimization queue.
6030
6031 2009-03-28 Martin Jambor <mjambor@suse.cz>
6032
6033 * fold-const.c (get_pointer_modulus_and_residue): New parameter
6034 allow_func_align.
6035 (fold_binary): Allow function decl aligment consideration is the
6036 second argument is integer constant one.
6037 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
6038 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
6039 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
6040
6041 2009-03-28 Jan Hubicka <jh@suse.cz>
6042
6043 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
6044 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
6045 * function.h (rtl_data): Add nothrow flag.
6046 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
6047 set DECL_NOTHROW for AVAILABLE functions.
6048
6049 2009-03-28 Jakub Jelinek <jakub@redhat.com>
6050
6051 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
6052 following vector keyword has expansion starting with pixel or bool
6053 keyword, expand vector to __vector and pixel or bool to __pixel or
6054 __bool.
6055
6056 PR c++/39554
6057 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
6058 warn_if_disallowed_function_p): Removed.
6059 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
6060 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
6061 warning_if_disallowed_function_p.
6062 * flags.h (warn_if_disallowed_function_p,
6063 warn_disallowed_functions): Removed.
6064 * common.opt (Wdisallowed-function-list=): Removed.
6065 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
6066
6067 2009-03-28 Richard Guenther <rguenther@suse.de>
6068
6069 PR tree-optimization/38723
6070 * tree-ssa-pre.c (compute_avail): Add all default definitions to
6071 the entry block.
6072
6073 2009-03-28 Jan Hubicka <jh@suse.cz>
6074
6075 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
6076 test introduced by my previous patch.
6077
6078 2009-03-28 Richard Guenther <rguenther@suse.de>
6079
6080 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
6081 the PHIs value undefined.
6082
6083 2009-03-28 Jan Hubicka <jh@suse.cz>
6084
6085 * tree-pass.h (pass_fixup_cfg): New pass.
6086 * ipa-inline.c (inline_transform): Set
6087 always_inline_functions_inlined/after_inlining.
6088 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
6089 (pass_fixup_cfg): New pass.
6090 * passes.c (init_optimization_passes): Add fixup_cfg.
6091
6092 2009-03-28 Richard Guenther <rguenther@suse.de>
6093
6094 PR tree-optimization/38458
6095 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
6096 argument use the arguments copy-of value.
6097
6098 2009-03-28 Richard Guenther <rguenther@suse.de>
6099
6100 PR tree-optimization/38180
6101 * tree-ssa-ccp.c (get_default_value): Simplify.
6102 (likely_value): Likewise.
6103 (surely_varying_stmt_p): Properly handle VOP case.
6104 (ccp_initialize): Likewise.
6105 (ccp_fold): Handle propagating through *&.
6106 (fold_const_aggregate_ref): Also handle decls.
6107
6108 2009-03-28 Jan Hubicka <jh@suse.cz>
6109
6110 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
6111 * cgraph.h (cgraph_node): Likewise.
6112 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
6113 (cgraph_reset_node): Use process flag.
6114 (cgraph_mark_functions_to_output): Likewise.
6115 (cgraph_expand_function): Likewise.
6116 (cgraph_expand_all_functions): Likewise.
6117 (cgraph_output_in_order): Likewise.
6118 * dwarf2out.c (reference_to_unused): Likewise.
6119 * passes.c do_per_function_toporder): Likewise.
6120
6121 2009-03-28 Jan Hubicka <jh@suse.cz>
6122
6123 Bring from lto-branch:
6124
6125 2008-09-03 Doug Kwan <dougkwan@google.com>
6126
6127 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
6128 enums instead of reason strings.
6129 * cgraph.c (cgraph_create_edge): Same.
6130 (cgraph_inline_failed_string): New function.
6131 * cgraph.h (cgraph_inline_failed_t): New enum type.
6132 (cgraph_inline_failed_string): New prototype.
6133 (struct cgraph_edge): Change type of INLINED_FAILED from constant
6134 char pointer to cgraph_inline_failed_t.
6135 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
6136 (cgraph_default_inline_p): Ditto.
6137 * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
6138 to cgraph_inline_failed_t pointer.
6139 * cif-code.def: New file.
6140 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
6141 reason string.
6142 (cgraph_check_inline_limits): Change type of REASON to pointer to
6143 cgraph_inline_failed_t. Replace reason strings with enums.
6144 (cgraph_default_inline_p): Ditto.
6145 (cgraph_recursive_inlining_p): Ditto.
6146 (update_caller_keys): Change type of FAILED_REASON to
6147 cgraph_inline_failed_t.
6148 (cgraph_set_inline_failed): Change type of REASON to pointer to
6149 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
6150 convert enums to strings for text output.
6151 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
6152 to be of type cgraph_inline_failed_t. Replace reason strings with
6153 enums. Call cgraph_inline_failed_string to covert enums
6154 to strings for text output.
6155 (cgraph_decide_inlining): Replace reason strings with enums.
6156 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
6157 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
6158 for text output.
6159 * tree-inline.c (expand_call_inline): Change type of REASON
6160 to cgraph_inline_failed_t. Replace reason strings with enums.
6161 Call cgraph_inline_failed_string for text output.
6162 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
6163 (cgraph.o): Ditto.
6164
6165 2009-03-28 Jan Hubicka <jh@suse.cz>
6166
6167 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
6168 cgraph_clone_node): Remove master clone handling.
6169 (cgraph_is_master_clone, cgraph_master_clone): Remove.
6170 * cgraph.h (master_clone): Remove.
6171 (cgraph_is_master_clone, cgraph_master_clone): Remove.
6172 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
6173 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
6174
6175 2009-03-28 Jan Hubicka <jh@suse.cz>
6176
6177 * cgraph.c (cgraph_function_body_availability): Functions declared
6178 inline are always safe to assume that it is not going to be replaced.
6179
6180 2009-03-28 Richard Guenther <rguenther@suse.de>
6181
6182 PR tree-optimization/38513
6183 * tree-ssa-pre.c (eliminate): Remove redundant stores.
6184 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
6185 EXC_PTR_EXPR and FILTER_EXPR.
6186 (get_ref_from_reference_ops): Likewise.
6187
6188 2009-03-28 Richard Guenther <rguenther@suse.de>
6189
6190 PR tree-optimization/38968
6191 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6192 Use FLOOR_MOD_EXPR to compute misalignment.
6193
6194 2009-03-28 Richard Guenther <rguenther@suse.de>
6195
6196 PR tree-optimization/37795
6197 * tree.h (combine_comparisons): Declare.
6198 * fold-const.c (combine_comparisons): Export.
6199 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
6200 comparisons.
6201 (ifcombine_iforif): Use combine_comparisons.
6202
6203 2009-03-28 Jan Hubicka <jh@suse.cz>
6204
6205 * tree-eh.c (inlinable_call_p): New function.
6206 (make_eh_edges): Use it.
6207 (verify_eh_edges): Use it.
6208 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
6209 * except.c (reachable_next_level): Add inlinable_function argument
6210 (sjlj_find_directly_reachable_regions): Update.
6211 (add_reachable_handler): Do not set saw_any_handlers.
6212 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
6213 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
6214 Add new inlinable call parameter.
6215 (can_throw_internal, can_throw_external): Update.
6216 * except.h (can_throw_internal_1, can_throw_external_1,
6217 foreach_reachable_handler): Update declaration.
6218
6219 2009-03-28 Joseph Myers <joseph@codesourcery.com>
6220
6221 * config/arm/t-arm-coff, config/h8300/coff.h,
6222 config/i386/i386-aout.h, config/i386/i386-coff.h,
6223 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
6224 config/pdp11/2bsd.h, config/rs6000/aix41.h,
6225 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
6226 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
6227 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
6228 sys-types.h: Remove.
6229 * Makefile.in: Remove protoize and fixproto support and references
6230 in comments.
6231 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
6232 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
6233 Remove.
6234 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
6235 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
6236 unprotoize$(exeext).
6237 (rest.encap): Don't depend on $(STMP_FIXPROTO)
6238 (.PHONY): Don't depend on proto.
6239 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
6240 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
6241 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
6242 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
6243 build/gen-protos.o, build/scan.o, xsys-protos.h,
6244 build/fix-header$(build_exeext), build/fix-header.o,
6245 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
6246 stmp-install-fixproto): Remove.
6247 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
6248 SYSCALLS.c or fixproto files.
6249 (install-common): Don't install protoize.
6250 (install-headers-tar, install-headers-cpio, install-headers-cp):
6251 Don't depend on $(STMP_FIXPROTO).
6252 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
6253 install fixproto files or write out fixproto settings.
6254 (uninstall): Don't uninstall protoize.
6255 * config.gcc (use_fixproto): Remove.
6256 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
6257 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
6258 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
6259 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
6260 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
6261 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
6262 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
6263 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
6264 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
6265 * config/t-vxworks (STMP_FIXPROTO): Remove.
6266 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
6267 STMP_FIXPROTO): Remove.
6268 * config.in, configure: Regenerate.
6269 * crtstuff.c (gid_t, uid_t): Don't undefine.
6270 * doc/install.texi: Change m68k-coff to m68k-elf in example.
6271 (arm-*-coff, arm-*-aout: Remove target entries.
6272 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
6273 Remove mention of AIX 4.1.
6274 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
6275 * doc/invoke.texi (Running Protoize): Remove.
6276 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
6277 (Protoize Caveats): Remove.
6278 * tsystem.h: Update comments on headers assumed to exist.
6279
6280 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
6281
6282 * genautomata.c: Add a new year to the copyright. Add a new
6283 reference.
6284 (struct insn_reserv_decl): Add comments for member bypass_list.
6285 (find_bypass): Remove.
6286 (insert_bypass): New.
6287 (process_decls): Use insert_bypass.
6288 (output_internal_insn_latency_func): Output all bypasses with the
6289 same input insn in one switch case.
6290
6291 * rtl.def (define_bypass): Describe bypass choice.
6292 * doc/md.texi (define_bypass): Ditto.
6293
6294 2009-03-27 Richard Guenther <rguenther@suse.de>
6295
6296 * gimplify.c (mark_addressable): Export.
6297 * tree-flow.h (mark_addressable): Declare.
6298 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
6299 * tree-ssa.c (verify_phi_args): Verify that address taken
6300 variables have TREE_ADDRESSABLE set.
6301
6302 2009-03-27 Richard Guenther <rguenther@suse.de>
6303
6304 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
6305 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
6306 Do not mark decls TREE_ADDRESSABLE.
6307 (build_fold_addr_expr): Adjust.
6308 (fold_addr_expr): Remove.
6309 (fold_unary): Use build_fold_addr_expr.
6310 (fold_comparison): Likewise.
6311 (split_address_to_core_and_offset): Likewise.
6312 * coverage.c (tree_coverage_counter_addr): Mark the array decl
6313 TREE_ADDRESSABLE.
6314 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
6315 (gimplify_modify_expr_to_memcpy): Mark source and destination
6316 addressable.
6317 * omp-low.c (create_omp_child_function): Mark the object decl
6318 TREE_ADDRESSABLE.
6319 (lower_rec_input_clauses): Mark the var we take the address of
6320 TREE_ADDRESSABLE.
6321 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
6322
6323 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
6324
6325 PR middle-end/39315
6326 * cfgexpand.c (expand_one_stack_var_at): Change alignment
6327 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
6328
6329 2009-03-27 Richard Guenther <rguenther@suse.de>
6330
6331 PR tree-optimization/39120
6332 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
6333 constraints.
6334 (handle_lhs_call): Process return constraints. Add escape
6335 constraints if necessary.
6336 (handle_const_call): Fill out return constraints. Make nested
6337 case more precise. Avoid consttmp if possible.
6338 (handle_pure_call): Fill out return constraints. Avoid
6339 callused if possible.
6340 (find_func_aliases): Simplify call handling.
6341
6342 2009-03-27 Richard Guenther <rguenther@suse.de>
6343
6344 PR tree-optimization/39120
6345 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
6346 as a representative.
6347 (solve_graph): Do propagate CALLUSED.
6348 (handle_pure_call): Use a scalar constraint from CALLUSED for
6349 the return value.
6350 (find_what_p_points_to): CALLUSED shall not appear in poins-to
6351 solutions.
6352
6353 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
6354
6355 PR c/39323
6356 * c-common.c (handle_aligned_attribute): Properly check alignment
6357 overflow. Use (1U << i) instead of (1 << i).
6358
6359 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
6360
6361 * expr.h (get_mem_align_offset): Updated.
6362
6363 * tree.h (tree_decl_common): Change align to "unsigned int" and
6364 move it before pointer_alias_set.
6365
6366 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
6367 Jakub Jelinek <jakub@redhat.com>
6368
6369 PR target/38034
6370 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
6371 gr_register_operand with gr_reg_or_0_operand.
6372 (cmpxchg_rel_di): Likewise.
6373 (sync_lock_test_and_set<mode>): Likewise.
6374
6375 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
6376
6377 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
6378 (true_regnum): Likewise.
6379
6380 * rtlanal.c (subreg_info): Moved to ...
6381 * rtl.h (subreg_info): Here. New.
6382 (subreg_get_info): New.
6383
6384 * rtlanal.c (subreg_get_info): Make it extern.
6385
6386 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
6387
6388 PR target/39472
6389 * config/i386/i386.c (ix86_abi): New.
6390 (override_options): Handle -mabi=.
6391 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
6392 (ix86_call_abi_override): Likewise.
6393 (init_cumulative_args): Likewise.
6394 (function_arg_advance): Likewise.
6395 (function_arg_64): Likewise.
6396 (function_arg): Likewise.
6397 (ix86_pass_by_reference): Likewise.
6398 (ix86_function_value_regno_p): Likewise.
6399 (ix86_build_builtin_va_list_abi): Likewise.
6400 (setup_incoming_varargs_64): Likewise.
6401 (is_va_list_char_pointer): Likewise.
6402 (ix86_init_machine_status): Likewise.
6403 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
6404 (ix86_function_type_abi): Return enum calling_abi. Rewrite
6405 for 64bit. Replace DEFAULT_ABI with ix86_abi.
6406 (ix86_function_abi): Make it static and return enum calling_abi.
6407 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
6408 with ix86_abi.
6409 (ix86_fn_abi_va_list): Updated.
6410
6411 * config/i386/i386.h (ix86_abi): New.
6412 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
6413 (CONDITIONAL_REGISTER_USAGE): Likewise.
6414 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
6415 (machine_function): Likewise.
6416
6417 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
6418 with ix86_abi.
6419 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
6420 (STACK_BOUNDARY): Likewise.
6421 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
6422
6423 * config/i386/i386.opt (mabi=): New.
6424
6425 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
6426 return enum calling_abi.
6427 (ix86_function_type_abi): Likewise.
6428 (ix86_function_abi): Removed.
6429
6430 * doc/invoke.texi: Document -mabi= option for x86.
6431
6432 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6433
6434 * builtins.c (real_dconstp): Delete.
6435 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
6436
6437 2009-03-27 Dodji Seketeli <dodji@redhat.com>
6438 Jakub Jelinek <jakub@redhat.com>
6439
6440 PR debug/37959
6441 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
6442 (gen_subprogram_die): When a function is explicit, generate the
6443 DW_AT_explicit attribute.
6444 * langhooks.h (struct lang_hooks_for_decls): Add
6445 function_decl_explicit_p langhook.
6446 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
6447 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
6448
6449 2009-03-27 Jakub Jelinek <jakub@redhat.com>
6450
6451 * builtins.c (fold_builtin_memory_op): Optimize memmove
6452 into memcpy if we can prove source and destination don't overlap.
6453
6454 * tree-inline.c: Include gt-tree-inline.h.
6455 (clone_fn_id_num): New variable.
6456 (clone_function_name): New function.
6457 (tree_function_versioning): Use it.
6458 * Makefile.in (GTFILES): Add tree-inline.c.
6459
6460 2009-03-27 Mark Mitchell <mark@codesourcery.com>
6461
6462 * BASE-VER: Change to 4.5.0.
6463
6464 2009-03-27 Xinliang David Li <davidxl@google.com>
6465
6466 PR tree-optimization/39557
6467 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
6468
6469 2009-03-27 Xinliang David Li <davidxl@google.com>
6470
6471 PR tree-optimization/39548
6472 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
6473 candidate check.
6474
6475 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
6476
6477 * c-common.c (pointer_int_sum): Use %wd on return from
6478 tree_low_cst.
6479
6480 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
6481
6482 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
6483 on return from tree_low_cst.
6484
6485 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
6486
6487 PR c++/36799
6488 * ginclude/stdarg.h (va_copy): Define also for
6489 __GXX_EXPERIMENTAL_CXX0X__.
6490
6491 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6492
6493 PR c++/35652
6494 * builtins.h (c_strlen): Do not warn here.
6495 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
6496 * c-common.c (pointer_int_sum): Take an explicit location.
6497 Warn about offsets out of bounds.
6498 * c-common.h (pointer_int_sum): Adjust declaration.
6499
6500 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6501
6502 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
6503 markup glitch.
6504
6505 2009-03-26 Jakub Jelinek <jakub@redhat.com>
6506
6507 PR c++/39554
6508 * opts.c (warn_if_disallowed_function_p): Don't assume
6509 get_callee_fndecl must return non-NULL.
6510
6511 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
6512
6513 PR rtl-optimization/39522
6514 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
6515 when reg_reloaded_valid is set.
6516
6517 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6518
6519 * config/spu/divv2df3.c: New file.
6520 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
6521 (DPBIT_FUNCS): Filter out _div_df.
6522
6523 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
6524
6525 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
6526 a jump insn, count that jump in the distance to the loop start.
6527
6528 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
6529
6530 PR target/39523
6531 * config/sh/sh.c (calc_live_regs): Fix condition for global
6532 registers except PIC_OFFSET_TABLE_REGNUM.
6533
6534 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
6535
6536 PR/39518
6537 * doc/invoke.texi (-mconsole): New.
6538 (-mcygwin): New.
6539 (-mno-cygwin): New.
6540 (-mdll): New.
6541 (-mnop-fun-dllimport): New.
6542 (-mthread): New.
6543 (-mwin32): New.
6544 (-mwindows): New.
6545 (sub section "i386 and x86-64 Windows Options"): New.
6546
6547 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
6548
6549 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
6550 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
6551
6552 2009-03-25 Richard Guenther <rguenther@suse.de>
6553
6554 PR middle-end/39497
6555 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
6556 of -Wno-error.
6557
6558 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
6559
6560 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
6561 neither of haifa/selective schedulers are working.
6562
6563 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6564
6565 * doc/invoke.texi (Debugging Options): Fix description of
6566 -fno-merge-debug-strings.
6567
6568 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
6569
6570 * config/cris/libgcc.ver: New version-script.
6571 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
6572
6573 * configure.ac <GAS features, nop mnemonic>: Add pattern
6574 crisv32-*-* for "nop".
6575 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
6576 * configure: Regenerate.
6577
6578 2009-03-24 Ira Rosen <irar@il.ibm.com>
6579
6580 PR tree-optimization/39529
6581 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
6582 mark_sym_for_renaming for the tag copied to the new vector
6583 pointer.
6584
6585 2009-03-24 Arthur Loiret <aloiret@debian.org>
6586
6587 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
6588 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
6589 EXTRA_SPEC_FUNCTIONS.
6590 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
6591 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
6592 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
6593 -march and -mtune options.
6594
6595 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
6596
6597 * config/m68k/t-rtems: Add m5329 multilib.
6598
6599 2009-03-24 Dodji Seketeli <dodji@redhat.com>
6600 Jakub Jelinek <jakub@redhat.com>
6601
6602 PR debug/39524
6603 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
6604 nodes.
6605
6606 2009-03-23 Jakub Jelinek <jakub@redhat.com>
6607
6608 PR c/39495
6609 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
6610 instead of c_parser_expression_conv, if original_code isn't one of the
6611 4 allowed comparison codes, fail.
6612
6613 2009-03-23 Richard Guenther <rguenther@suse.de>
6614
6615 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
6616 * tree.h (struct tree_type): Likewise.
6617 * reload.h (struct insn_chain): Likewise.
6618 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
6619 * function.h (struct function): Likewise.
6620 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
6621
6622 2009-03-23 Jakub Jelinek <jakub@redhat.com>
6623
6624 PR tree-optimization/39516
6625 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
6626
6627 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
6628
6629 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
6630 should be set true if BITS_PER_WORD of target is bigger than 32
6631
6632 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
6633
6634 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
6635 Translate -B-options to -rpath-link. Correct existing
6636 rpath-link and conditionalize on !nostdlib.
6637
6638 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6639
6640 * doc/extend.texi (Function Attributes, Variable Attributes):
6641 Fix typos.
6642 * doc/invoke.texi (Debugging Options, Optimize Options)
6643 (i386 and x86-64 Options, MCore Options): Likewise.
6644
6645 2009-03-20 Jakub Jelinek <jakub@redhat.com>
6646
6647 PR debug/37890
6648 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
6649 it for block local namespace aliases.
6650 (gen_decl_die): Pass context_die to gen_namespace_die.
6651
6652 2009-03-19 Jakub Jelinek <jakub@redhat.com>
6653
6654 PR c/39495
6655 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
6656 minimum or maximum value.
6657
6658 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
6659
6660 * reginfo.c (globalize_reg): Recompute derived reg sets.
6661
6662 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
6663
6664 PR target/39063
6665 * libgcc2.c (mprotect): Do not use signed arguments for
6666 VirtualProtect, use DWORD arguments. Also fix the 'may
6667 be used uninitialized' warning for the np variable.
6668
6669 2009-03-19 Jakub Jelinek <jakub@redhat.com>
6670
6671 PR target/39496
6672 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
6673 functions using regparm calling conventions when not optimizing.
6674 (ix86_function_sseregparm): Similarly for sseregparm calling
6675 conventions.
6676
6677 2009-03-19 Li Feng <nemokingdom@gmail.com>
6678
6679 PR middle-end/39500
6680 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
6681 dependence if the first conflict is after niter iterations.
6682
6683 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
6684
6685 PR middle-end/38609
6686 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
6687 functions with dynamic stack-pointer adjustments.
6688
6689 2009-03-19 Ben Elliston <bje@au.ibm.com>
6690
6691 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
6692 option; change to -msdata=data.
6693
6694 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6695
6696 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
6697 and -fopenmp.
6698
6699 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
6700
6701 PR target/35180
6702 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
6703
6704 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
6705
6706 * doc/invoke.texi (Code Gen Options): Expand discussion of
6707 -fno-common.
6708
6709 2009-03-18 Jakub Jelinek <jakub@redhat.com>
6710
6711 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
6712 * matrix-reorg.c (struct matrix_info): Likewise.
6713 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
6714 * rtl.h (struct mem_attrs): Likewise.
6715 * df.h (struct df): Likewise.
6716 * tree-data-ref.h (struct data_dependence_relation): Likewise.
6717 * ira-int.h (struct ira_allocno): Likewise.
6718 * df-scan.c (struct df_collection_rec): Likewise.
6719 * ira.c (struct equivalence): Likewise.
6720 * function.c (struct temp_slot): Likewise.
6721 * cfgloop.h (struct loop): Likewise.
6722
6723 PR debug/39485
6724 * function.c (use_register_for_decl): When not optimizing, disregard
6725 register keyword for variables with types containing methods.
6726
6727 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
6728
6729 PR middle-end/39447
6730 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
6731 (is_simple_operand): Call contains_component_ref_p before calling data
6732 reference analysis that would fail on COMPONENT_REFs.
6733
6734 * tree-vrp.c (search_for_addr_array): Fix formatting.
6735
6736 2009-03-18 Richard Guenther <rguenther@suse.de>
6737
6738 * tree-vect-transform.c (vect_loop_versioning): Fold the
6739 generated comparisons.
6740 * tree-vectorizer.c (set_prologue_iterations): Likewise.
6741 (slpeel_tree_peel_loop_to_edge): Likewise.
6742
6743 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6744
6745 PR middle-end/37805
6746 * opts.c (print_specific_help): In addition to `undocumented',
6747 accept `separate' and `joined' flags if passed alone. Describe
6748 output by the first matched one of those.
6749 (common_handle_option): Skip over empty strings.
6750 * gcc.c (display_help): Fix help string for `--help='.
6751 * doc/invoke.texi (Option Summary, Overall Options): With
6752 `--help=', classes and qualifiers can both be repeated, but
6753 only the latter can be negated. One should not pass only
6754 negated qualifiers. Fix markup and examples.
6755
6756 Revert
6757 2008-10-14 Jakub Jelinek <jakub@redhat.com>
6758 PR middle-end/37805
6759 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
6760 and -fhelp=separate.
6761
6762 2009-03-17 Jing Yu <jingyu@google.com>
6763
6764 PR middle-end/39378
6765 * function.h (struct rtl_data): Move is_thunk from here...
6766 (struct function): ...to here.
6767 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
6768 * varasm.c (assemble_start_function): Change is_thunk from crtl to
6769 cfun.
6770 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
6771 cfun.
6772 (alpha_does_function_need_gp, alpha_start_function): Likewise.
6773 (alpha_output_function_end_prologue): Likewise.
6774 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
6775 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
6776 (rs6000_output_function_epilogue): Likewise.
6777 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
6778
6779 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
6780
6781 PR target/39482
6782 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
6783 from different units in a single alternative.
6784 (*truncdfsf_i387): Ditto.
6785 (*truncxfsf2_mixed): Ditto.
6786 (*truncxfdf2_mixed): Ditto.
6787
6788 2009-03-17 Jakub Jelinek <jakub@redhat.com>
6789
6790 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
6791 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
6792
6793 PR debug/39474
6794 * tree-ssa-live.c (remove_unused_locals): Don't remove local
6795 unused non-artificial variables when not optimizing.
6796
6797 PR debug/39471
6798 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
6799 DW_TAG_imported_module even if decl is IMPORTED_DECL with
6800 NAMESPACE_DECL in its DECL_INITIAL.
6801
6802 PR middle-end/39443
6803 * optabs.c (set_user_assembler_libfunc): New function.
6804 * expr.h (set_user_assembler_libfunc): New prototype.
6805 * c-common.c: Include libfuncs.h.
6806 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
6807 for memcmp, memset, memcpy, memmove and abort.
6808 * Makefile.in (c-common.o): Depend on libfuncs.h.
6809
6810 PR debug/39412
6811 * dwarf2out.c (gen_inlined_enumeration_type_die,
6812 gen_inlined_structure_type_die, gen_inlined_union_type_die,
6813 gen_tagged_type_instantiation_die): Removed.
6814 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
6815 do nothing.
6816
6817 2009-03-17 Janis Johnson <janis187@us.ibm.com>
6818
6819 PR testsuite/38526
6820 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
6821 its use.
6822 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
6823 (check-parallel-%): Ditto.
6824 (check-consistency): Ditto.
6825
6826 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
6827
6828 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
6829 local variable rhs by NULL_TREE.
6830
6831 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
6832
6833 PR target/39477
6834 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
6835
6836 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
6837
6838 PR target/39476
6839 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
6840
6841 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
6842
6843 PR target/39473
6844 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
6845 for ms->sysv ABI calls only in 64bit mode.
6846
6847 * config/i386/i386.md (untyped_call): Support 32bit.
6848
6849 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
6850
6851 * doc/extend.texi: Replace x86_65 with x86_64.
6852
6853 2009-03-16 Jakub Jelinek <jakub@redhat.com>
6854
6855 PR tree-optimization/39455
6856 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
6857 mismatches for POINTER_TYPE_P (type).
6858 (number_of_iterations_le): Likewise.
6859
6860 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
6861
6862 * config/picochip/picochip.c: Removed profiling support.
6863 * config/picochip/picochip.md: Removed profiling instruction.
6864 * config/picochip/picochip.h: Removed profiling builtin.
6865
6866 2009-03-16 Joseph Myers <joseph@codesourcery.com>
6867
6868 * doc/install.texi (--with-host-libstdcxx): Document.
6869
6870 2009-03-14 Anatoly Sokolov <aesok@post.ru>
6871
6872 PR target/34299
6873 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
6874 generate a warning if the function name does not begin with
6875 "__vector" and the function has either the 'signal' or 'interrupt'
6876 attribute, from here to ...
6877 (avr_declare_function_name): ...here. New function.
6878 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
6879 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
6880
6881 2009-03-14 Jakub Jelinek <jakub@redhat.com>
6882
6883 PR bootstrap/39454
6884 * cse.c (fold_rtx): Don't modify original const_arg1 when
6885 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
6886 separate variable instead.
6887 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
6888 from out of range shift counts.
6889 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
6890
6891 2009-03-13 Catherine Moore <clm@codesourcery.com>
6892
6893 * config/i386/x-mingw32 (host-mingw32.o): Replace
6894 diagnostic.h with $(DIAGNOSTIC_H).
6895
6896 2009-03-12 Jakub Jelinek <jakub@redhat.com>
6897
6898 PR target/39431
6899 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
6900 predicate.
6901 * config/i386/sync.md (sync_compare_and_swap<mode>,
6902 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
6903 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
6904 into a register.
6905 (sync_double_compare_and_swapdi_pic,
6906 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
6907 cmpxchg8b_pic_memory_operand instead of just memory_operand.
6908
6909 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
6910
6911 PR target/39445
6912 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
6913
6914 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
6915
6916 PR target/39327
6917 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
6918 (avx_addsubv4df3): Likewise.
6919 (*avx_addsubv4sf3): Likewise.
6920 (sse3_addsubv4sf3): Likewise.
6921
6922 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
6923
6924 PR target/38824
6925 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
6926
6927 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
6928
6929 PR debug/39432
6930 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
6931 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
6932 registers for allocnos created from user-defined variables.
6933
6934 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6935
6936 PR target/39181
6937 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
6938 of non-integer mode as well.
6939
6940 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
6941
6942 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
6943 for functions for which the parameter types are unknown.
6944
6945 2009-03-11 Jakub Jelinek <jakub@redhat.com>
6946
6947 PR target/39137
6948 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
6949 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
6950 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
6951 * config/i386/i386.c (ix86_local_alignment): For
6952 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
6953 long long variables on the stack to avoid dynamic realignment.
6954 Allow the first argument to be a decl rather than type.
6955 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
6956
6957 2009-03-11 Nick Clifton <nickc@redhat.com>
6958
6959 PR target/5362
6960 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
6961 options.
6962 Add description to mno-lsim option.
6963 * config/mcore/mcore.h: Remove comment about deprecated m4align
6964 option.
6965 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
6966 * doc/invoke.texi: Add description of mno-lsim and
6967 mstack-increment options.
6968
6969 * config/fr30/fr30.opt: Document the -mno-lsim option.
6970 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
6971 and -mno-lsim options.
6972
6973 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6974
6975 * fold-const.c (fold_comparison): Only call fold_inf_compare
6976 if the mode supports infinities.
6977
6978 2009-03-11 Jason Merrill <jason@redhat.com>
6979
6980 PR debug/39086
6981 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
6982 end already did. Notice GIMPLE_CALL modifications of the result.
6983 Don't copy debug information from an ignored decl or a decl from
6984 another function.
6985
6986 2009-03-10 Richard Guenther <rguenther@suse.de>
6987 Nathan Froyd <froydnj@codesourcery.com>
6988
6989 PR middle-end/37850
6990 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
6991 (__divMODE3): Likewise.
6992
6993 2009-03-09 Jakub Jelinek <jakub@redhat.com>
6994
6995 PR tree-optimization/39394
6996 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
6997 DECL_SIZE_UNIT of variable length FIELD_DECLs.
6998
6999 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
7000
7001 * recog.c (verfiy_changes): Disallow renaming of hard regs in
7002 inline asms for register asm ("") declarations.
7003
7004 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
7005
7006 * fold-const.c (fold_unary): Fix comment.
7007
7008 2009-03-07 Jan Hubicka <jh@suse.cz>
7009
7010 PR target/39361
7011 * tree-inline.c (setup_one_parameter): Do replacement of const
7012 argument by constant in SSA form.
7013
7014 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
7015
7016 PR middle-end/38028
7017 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
7018 determine alignment passed to assign_stack_local.
7019 (assign_parms_unsplit_complex): Likewise.
7020 * except.c (sjlj_build_landing_pads): Likewise.
7021
7022 2009-03-06 Jakub Jelinek <jakub@redhat.com>
7023
7024 PR middle-end/39360
7025 * tree-flow.h (add_referenced_var): Return bool instead of void.
7026 * tree-dfa.c (add_referenced_var): Return result of
7027 referenced_var_check_and_insert call.
7028 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
7029 of referenced_var_check_and_insert.
7030
7031 PR debug/39372
7032 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
7033 (gen_variable_die): Emit DW_AT_location on abstract static variable's
7034 DIE, don't emit it if abstract origin already has it.
7035 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
7036 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
7037
7038 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7039
7040 * genpreds.c (needs_variable): Fix parentheses at variable name
7041 detection.
7042 (write_tm_constrs_h): Indent generated code.
7043
7044 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
7045
7046 * doc/extend.texi (Function Attributes): Add documentation
7047 for isr attributes.
7048
7049 2009-03-06 Jakub Jelinek <jakub@redhat.com>
7050
7051 PR debug/39387
7052 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
7053 take locus from its DECL_SOURCE_LOCATION instead of input_location.
7054
7055 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
7056
7057 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
7058 the loop as bad.
7059
7060 2009-03-05 Jakub Jelinek <jakub@redhat.com>
7061
7062 PR debug/39379
7063 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
7064 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
7065
7066 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
7067
7068 * config/i386/i386.md (R8_REG, R9_REG): New constants.
7069 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
7070 constants instead of magic numbers.
7071 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
7072 (QI_REG_P): Ditto.
7073 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
7074 (x86_64_ms_abi_int_parameter_registers): Ditto.
7075 (x86_64_int_return_registers): Ditto.
7076 (ix86_maybe_switch_abi): Ditto.
7077 (ix86_expand_call): Ditto for clobbered_registers array.
7078 (ix86_hard_regno_mode_ok): Ditto.
7079 (x86_extended_QIreg_mentioned_p): Ditto.
7080
7081 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
7082
7083 PR tree-optimization/39349
7084 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
7085
7086 * combine.c (gen_lowpart_for_combine): Use omode when generating
7087 clobber.
7088
7089 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
7090
7091 PR rtl-optimization/39235
7092 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
7093
7094 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
7095
7096 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
7097
7098 2009-03-04 Richard Guenther <rguenther@suse.de>
7099
7100 PR tree-optimization/39362
7101 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
7102 that occur in abnormal PHIs should be varying.
7103
7104 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
7105
7106 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
7107 Extend comments.
7108 (simple_iv): Take loop as an argument instead of statement.
7109 * tree-scalar-evolution.h (simple_iv): Declaration changed.
7110 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
7111 to simple_iv.
7112 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
7113 Ditto.
7114 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
7115 * matrix-reorg.c (analyze_transpose): Ditto.
7116 * tree-data-ref.c (dr_analyze_innermost): Ditto.
7117 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
7118 * tree-predcom.c (ref_at_iteration): Ditto.
7119 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
7120
7121 2009-03-04 Richard Guenther <rguenther@suse.de>
7122
7123 PR tree-optimization/39358
7124 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
7125 escaped_id and callused_id.
7126 (solve_graph): Likewise.
7127
7128 2009-03-04 Richard Guenther <rguenther@suse.de>
7129
7130 PR tree-optimization/39339
7131 * tree-sra.c (try_instantiate_multiple_fields): Make it
7132 no longer ICE on the above.
7133
7134 2009-03-03 Joseph Myers <joseph@codesourcery.com>
7135
7136 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
7137 that fits within Pmode.
7138
7139 2009-03-03 Steve Ellcey <sje@cup.hp.com>
7140
7141 PR middle-end/10109
7142 * tm.texi (LIBCALL_VALUE): Update description.
7143
7144 2009-03-03 Steve Ellcey <sje@cup.hp.com>
7145
7146 PR middle-end/34443
7147 * doc/extend.texi (section): Update description.
7148
7149 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
7150
7151 PR middle-end/39345
7152 * tree-inline.c (remapped_type): New.
7153 (can_be_nonlocal): Call remapped_type instead of remap_type.
7154
7155 2009-03-03 Jakub Jelinek <jakub@redhat.com>
7156
7157 PR fortran/39354
7158 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
7159 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
7160
7161 2009-03-03 Richard Guenther <rguenther@suse.de>
7162
7163 PR middle-end/39272
7164 * tree.c (tree_nonartificial_location): New function.
7165 * tree.h (tree_nonartificial_location): Declare.
7166 * builtins.c (expand_builtin_memory_chk): Provide location
7167 of the call location for artificial function pieces.
7168 (maybe_emit_chk_warning): Likewise.
7169 (maybe_emit_sprintf_chk_warning): Likewise.
7170 (maybe_emit_free_warning): Likewise.
7171 * expr.c (expand_expr_real_1): Likewise.
7172
7173 2009-03-03 Jakub Jelinek <jakub@redhat.com>
7174
7175 PR tree-optimization/39343
7176 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
7177 COMPONENT_REF t has ARRAY_TYPE.
7178
7179 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
7180
7181 PR middle-end/39335
7182 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
7183 when the type precision of the induction variable should be
7184 larger than the type precision of nit.
7185 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
7186 * graphite.c (graphite_loop_normal_form): Same.
7187 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
7188
7189 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
7190
7191 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
7192 (*call_1_rex64_ms_sysv): Use named constants instead of magic
7193 numbers to describe clobbered registers.
7194 (*call_value_0_rex64_ms_sysv): Ditto.
7195 * config/i386/mmx.md (mmx_emms): Ditto.
7196 (mmx_femms): Ditto.
7197
7198 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
7199
7200 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
7201 of ABI_64.
7202
7203 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
7204
7205 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
7206 (spu_section_type_flags): New function.
7207
7208 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
7209
7210 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
7211 reg_class_contents of FLOAT_REGS into a temporary.
7212
7213 2009-03-02 Richard Guenther <rguenther@suse.de>
7214 Ira Rosen <irar@il.ibm.com>
7215
7216 PR tree-optimization/39318
7217 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
7218 information to the vectorized statement.
7219
7220 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
7221
7222 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
7223 variable. Use defined names instead of magic constants for REX SSE
7224 registers.
7225
7226 2009-03-01 Richard Guenther <rguenther@suse.de>
7227
7228 PR tree-optimization/39331
7229 * omp-low.c (lower_send_shared_vars): Do not receive new
7230 values for the reference of DECL_BY_REFERENCE parms or results.
7231
7232 2009-03-01 Jan Hubicka <jh@suse.cz>
7233
7234 PR debug/39267
7235 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
7236 BLOCK_NONLOCALIZED_VAR): New macros.
7237 (tree_block): Add nonlocalized_vars.
7238 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
7239 gen_decl_die): Add origin argument. Allow generation of die with
7240 origin at hand only.
7241 (gen_member_die, gen_type_die_with_usage, force_decl_die,
7242 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
7243 of gen_*.
7244 (gen_block_die): Fix checking for unused blocks.
7245 (process_scope_var): Break out from .... ; work with origins only.
7246 (decls_for_scope) ... here; process nonlocalized list.
7247 (dwarf2out_ignore_block): Look for nonlocalized vars.
7248 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
7249 vars.
7250 (dump_scope_block): Dump them.
7251 * tree-inline.c (remap_decls): Handle nonlocalized vars.
7252 (remap_block): Likewise.
7253 (can_be_nonlocal): New predicate.
7254 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
7255
7256 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7257
7258 * configure: Regenerate.
7259
7260 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7261
7262 * optc-gen.awk: No need to duplicate option flags twice.
7263 Reuse help texts for duplicate options which do not have any.
7264
7265 * gcc.c (display_help): Document --version.
7266
7267 * gcc.c (main): If print_help_list and verbose_flag, ensure
7268 driver output comes before subprocess output.
7269
7270 * optc-gen.awk: Assign all remaining fields to help string,
7271 space-separated, for multi-line help in *.opt.
7272
7273 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
7274 -Wno-pedantic-ms-format is for MinGW targets only.
7275
7276 * doc/options.texi (Option file format): Fix bad indentation,
7277 restoring dropped sentence.
7278
7279 2009-02-28 Jan Hubicka <jh@suse.cz>
7280
7281 * tree-inline.c (tree_function_versioning): Output debug info.
7282
7283 2009-02-28 Jan Hubicka <jh@suse.cz>
7284
7285 PR debug/39267
7286 * tree-inline.c (setup_one_parameter): Do not copy propagate
7287 arguments when not optimizing.
7288
7289 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
7290
7291 PR target/39327
7292 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
7293 (avx_addsubv4df3): Likewise.
7294 (*avx_addsubv4sf3): Likewise.
7295 (sse3_addsubv4sf3): Likewise.
7296 (*avx_addsubv2df3): Likewise.
7297 (sse3_addsubv2df3): Likewise.
7298 (avx_unpckhps256): Correct item selectors.
7299 (avx_unpcklps256): Likewise.
7300 (avx_unpckhpd256): Likewise.
7301 (avx_unpcklpd256): Likewise.
7302
7303 2009-02-28 Jan Hubicka <jh@suse.cz>
7304
7305 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
7306 static vars.
7307 (copy_arguments_for_versioning): If var is declared don't declare it.
7308 (tree_function_versioning): First setup substitutions and then copy
7309 args.
7310
7311 2009-02-27 Jan Hubicka <jh@suse.cz>
7312
7313 PR debug/39267
7314 * cgraph.h (varpool_output_debug_info): Remove.
7315 * cgraphunit.c (varpool_output_debug_info): Remove.
7316 * dwarf2out.c (deferred_locations_struct): New struct
7317 (deferred_locations): New type.
7318 (deferred_locations_list): New static var.
7319 (deffer_location): New function.
7320 (gen_variable_die): Use it.
7321 (decls_for_scope): Output info on local static vars.
7322 (dwarf2out_finish): Process deferred locations.
7323 * varpool.c (varpool_output_debug_info): Remove.
7324
7325 2009-02-27 Jan Hubicka <jh@suse.cz>
7326
7327 PR debug/39267
7328 * tree.h (TREE_PROTECTED): Fix comment.
7329 (BLOCK_HANDLER_BLOCK): Remove.
7330 (struct tree_block): Remove handler_block add body_block.
7331 (inlined_function_outer_scope_p): New.
7332 (is_body_block): Remove.
7333 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
7334 * dwarf2out.c (is_inlined_entry_point): Remove.
7335 (add_high_low_attributes): Use inlined_function_outer_scope_p.
7336 (gen_block_die): Use is_inlined_entry_point check. Remove body block
7337 code.
7338 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
7339 * gimplify.c (gimplify_expr): Gimplify body blocks.
7340 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
7341 block with multiple subblocks.
7342 (dump_scope_block): Prettier output; dump more flags and info.
7343 (dump_scope_blocks): New.
7344 (remove_unused_locals): Use dump_scope_blocks.
7345 * tree-flow.h (dump_scope_blocks): Declare.
7346 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
7347 * stmt.c (is_body_block): Remove.
7348 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
7349 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
7350
7351 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
7352
7353 PR middle-end/39308
7354 * graphite.c (graphite_loop_normal_form): Do not call
7355 number_of_iterations_exit from a gcc_assert.
7356
7357 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
7358
7359 * config/s390/s390.c (s390_swap_cmp): Look for conditional
7360 jumps if COND is NULL.
7361 (find_cond_jump): New function.
7362 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
7363 * config/s390/s390.md: Remove z10_cobra attribute value.
7364
7365 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
7366
7367 * config/alpha/alpha.h (alpha_expand_mov): Return false if
7368 force_const_mem returns NULL_RTX.
7369
7370 2009-02-26 Jan Hubicka <jh@suse.cz>
7371
7372 PR debug/39267
7373 * cgraph.h (varpool_output_debug_info): Remove.
7374 * cgraphunit.c (varpool_output_debug_info): Remove.
7375 * dwarf2out.c (deferred_locations_struct): New struct
7376 (deferred_locations): New type.
7377 (deferred_locations_list): New static var.
7378 (deffer_location): New function.
7379 (gen_variable_die): Use it.
7380 (decls_for_scope): Output info on local static vars.
7381 (dwarf2out_finish): Process deferred locations.
7382 * varpool.c (varpool_output_debug_info): Remove.
7383
7384 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
7385
7386 PR rtl-optimization/39241
7387 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
7388 to subreg_offset_representable_p.
7389
7390 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
7391
7392 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
7393 execute function prototype. Get f and nregs from max_reg_num
7394 and get_insns. Remove the first backward pass as it's dead,
7395 guard the forward pass by flag_expensive_optimizations.
7396 (rest_of_handle_regmove): Delete.
7397 (pass_regmove): Replace it with regmove_optimize.
7398
7399 2009-02-25 Martin Jambor <mjambor@suse.cz>
7400
7401 PR tree-optimization/39259
7402 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
7403 calls_alloca function flags.
7404 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
7405 calls are detected.
7406
7407 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
7408
7409 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
7410 flags_set_1_rtx, flags_set_1_set): Delete.
7411 (regmove_optimize): Do not call mark_flags_life_zones.
7412
7413 2009-02-24 Julian Brown <julian@codesourcery.com>
7414
7415 PR target/35965
7416 * config/arm/arm.c (require_pic_register): Only set
7417 cfun->machine->pic_reg once per function.
7418
7419 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
7420
7421 * doc/invoke.texi (Link Options): Document an easier way to pass
7422 options that take arguments to the GNU linker using -Xlinker and -Wl.
7423
7424 2009-02-24 Steve Ellcey <sje@cup.hp.com>
7425
7426 PR target/33785
7427 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
7428
7429 2009-02-24 Richard Guenther <rguenther@suse.de>
7430
7431 PR debug/39285
7432 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
7433
7434 2009-02-24 Richard Guenther <rguenther@suse.de>
7435 Zdenek Dvorak <ook@ucw.cz>
7436
7437 PR tree-optimization/39233
7438 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
7439 from converting them to a generic type.
7440
7441 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
7442
7443 PR tree-optimization/39260
7444 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
7445 contains a condition with a real type.
7446 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
7447
7448 2009-02-23 Jason Merrill <jason@redhat.com>
7449
7450 PR c++/38880
7451 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
7452 narrowing_initializer_constant_valid_p.
7453 (narrowing_initializer_constant_valid_p): Don't return
7454 null_pointer_node for adding a pointer to itself.
7455
7456 2009-02-23 Jan Hubicka <jh@suse.cz>
7457
7458 PR c/12245
7459 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
7460 resizing.
7461
7462 2009-02-23 Jan Hubicka <jh@suse.cz>
7463
7464 PR tree-optimization/37709
7465 * tree.c (block_ultimate_origin): Move here from dwarf2out.
7466 * tree.h (block_ultimate_origin): Declare.
7467 * dwarf2out.c (block_ultimate_origin): Move to tree.c
7468 * tree-ssa-live.c (remove_unused_scope_block_p):
7469 Eliminate blocks containig no instructions nor live variables nor
7470 nested blocks.
7471 (dump_scope_block): New function.
7472 (remove_unused_locals): Enable removal of dead blocks by default;
7473 enable dumping at TDF_DETAILS.
7474
7475 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
7476
7477 * config/i386/i386.c (classify_argument): Don't allow COImode
7478 and OImode.
7479 (function_arg_advance_32): Don't allow OImode.
7480 (function_arg_32): Likewise.
7481 (function_value_32): Likewise.
7482 (return_in_memory_32): Likewise.
7483 (function_arg_64): Remove OImode comment.
7484
7485 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
7486
7487 PR target/39261
7488 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
7489 ix86_expand_vector_set for V4DImode in 64bit mode only.
7490 (ix86_expand_vector_init_one_var): Likewise.
7491
7492 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
7493
7494 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
7495
7496 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
7497
7498 PR bootstrap/39257
7499 * loop-iv.c: Revert last change.
7500 * emit-rtl.c: Likewise.
7501
7502 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
7503
7504 PR target/39256
7505 * config/i386/i386.c (type_natural_mode): Remove an extra
7506 space in the warning message.
7507 (function_value_32): Handle 32-byte vector modes.
7508 (return_in_memory_32): Likewise.
7509
7510 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
7511
7512 * loop-iv.c (truncate_value): New function.
7513 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
7514 of lowpart_subreg.
7515 (lowpart_subreg): Move to...
7516 * emit-rtl.c: ...here.
7517
7518 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
7519
7520 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
7521 accidental and undocumented change at revision 140860.
7522
7523 2009-02-21 Joseph Myers <joseph@codesourcery.com>
7524
7525 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
7526 take gimple_seq * arguments.
7527 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
7528 types_compatible_p langhook.
7529
7530 2009-02-20 Mark Mitchell <mark@codesourcery.com>
7531 Joseph Myers <joseph@codesourcery.com>
7532
7533 * config/arm/arm.c (arm_builtin_va_list): New function.
7534 (arm_expand_builtin_va_start): Likewise.
7535 (arm_gimplify_va_arg_expr): Likewise.
7536 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
7537 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
7538 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
7539 (va_list_type): New variable.
7540 (arm_mangle_type): Mangle va_list_type appropriately.
7541
7542 2009-02-20 Jakub Jelinek <jakub@redhat.com>
7543
7544 PR middle-end/39157
7545 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
7546 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
7547 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
7548 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
7549 parameter to 1000 for -O1 by default.
7550 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
7551 parameter.
7552 * loop-invariant.c: Include params.h.
7553 (move_loop_invariants): Don't call move_single_loop_invariants on
7554 very large loops.
7555
7556 2009-02-20 Jaka Mocnik <jaka@xlab.si>
7557
7558 * calls.c (emit_library_call_value_1): Use slot_offset instead of
7559 offset when calculating bounds for indexing stack_usage_map. Fixes
7560 a buffer overflow with certain target setups.
7561
7562 2009-02-20 Jakub Jelinek <jakub@redhat.com>
7563
7564 PR target/39240
7565 * calls.c (expand_call): Clear try_tail_call if caller and callee
7566 disagree in promotion of function return value.
7567
7568 2009-02-19 Jakub Jelinek <jakub@redhat.com>
7569
7570 PR target/39175
7571 * c-common.c (c_determine_visibility): If visibility changed and
7572 DECL_RTL has been already set, call make_decl_rtl to update symbol
7573 flags.
7574
7575 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
7576
7577 PR c++/39188
7578 * varasm.c (assemble_variable): Don't check DECL_NAME when
7579 globalizing a variable.
7580
7581 2009-02-19 Joseph Myers <joseph@codesourcery.com>
7582
7583 PR c/38483
7584 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
7585 expression before any __builtin_trap call.
7586 * c-typeck.c (build_function_call): Convert and check function
7587 arguments before generating a call to a trap. Evaluate the
7588 function arguments before the trap.
7589
7590 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
7591
7592 PR target/39228
7593 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
7594 (UNSPEC_FXAM_MEM): New unspec.
7595 (fxam<mode>2_i387_with_temp): New insn and split pattern.
7596 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
7597 memory using fxam<mode>2_i387_with_temp to remove excess precision.
7598
7599 2009-02-19 Richard Guenther <rguenther@suse.de>
7600
7601 PR tree-optimization/39207
7602 PR tree-optimization/39074
7603 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
7604 storedanything_tree): New.
7605 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
7606 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
7607 (build_succ_graph): Add edges from STOREDANYTHING to all
7608 non-direct nodes.
7609 (init_base_vars): Initialize STOREDANYTHING.
7610 (compute_points_to_sets): Free substitution info after
7611 building the succ graph.
7612 (ipa_pta_execute): Likewise.
7613
7614 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
7615 field.
7616 (do_ds_constraint): Do not add to special var or non-pointer
7617 field solutions.
7618 (type_could_have_pointers): Split out from ...
7619 (could_have_pointers): ... here. For arrays use the element type.
7620 (create_variable_info_for): Initialize may_have_pointers.
7621 (new_var_info): Likewise.
7622 (handle_lhs_call): Make the HEAP variable unknown-sized.
7623 (intra_create_variable_infos): Use a type with pointers for
7624 PARM_NOALIAS, make it unknown-sized.
7625
7626 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
7627
7628 PR target/39224
7629 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
7630
7631 2009-02-18 Jason Merrill <jason@redhat.com>
7632
7633 PR target/39179
7634 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
7635 value if DECL_EXTERNAL.
7636 * tree-sra.c (sra_walk_gimple_assign): Likewise.
7637 * target.h (gcc_target::binds_local_p): Clarify "module".
7638 * tree.h (TREE_PUBLIC): Clarify "module".
7639
7640 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
7641
7642 PR target/38891
7643 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
7644 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
7645
7646 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
7647
7648 PR target/39082
7649 * c.opt (Wabi): Support C and ObjC.
7650 (Wpsabi): New.
7651
7652 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
7653
7654 * config/i386/i386.c (classify_argument): Warn once about the ABI
7655 change when passing union with long double.
7656
7657 * doc/invoke.texi: Update -Wabi for warning psABI changes.
7658
7659 2009-02-18 Joseph Myers <joseph@codesourcery.com>
7660
7661 PR c/35447
7662 * c-parser.c (c_parser_compound_statement): Always enter and leave
7663 a scope.
7664
7665 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7666
7667 PR target/34587
7668 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
7669
7670 2009-02-18 Jakub Jelinek <jakub@redhat.com>
7671
7672 PR tree-optimization/36922
7673 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
7674 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
7675 Likewise.
7676
7677 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
7678
7679 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
7680 to 0 for EABI64.
7681
7682 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
7683
7684 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
7685
7686 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
7687
7688 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
7689 tree sharing.
7690
7691 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
7692 Richard Sandiford <rdsandiford@googlemail.com>
7693
7694 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
7695 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
7696 (loongson_biadd): ...this.
7697
7698 2009-02-17 Richard Guenther <rguenther@suse.de>
7699
7700 PR tree-optimization/39202
7701 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
7702 a var make sure to follow existing collapses.
7703
7704 2009-02-17 Richard Guenther <rguenther@suse.de>
7705
7706 PR middle-end/39214
7707 * langhooks.c (lhd_print_error_function): Check for NULL block.
7708
7709 2009-02-17 Richard Guenther <rguenther@suse.de>
7710
7711 PR tree-optimization/39204
7712 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
7713 of the PHI arg.
7714
7715 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
7716
7717 * config/soft-fp/double.h: Update from glibc CVS.
7718
7719 2009-02-17 Richard Guenther <rguenther@suse.de>
7720
7721 PR tree-optimization/39207
7722 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
7723 strict-aliasing warnings for pointers pointing to NULL.
7724
7725 2009-02-16 Joseph Myers <joseph@codesourcery.com>
7726
7727 PR c/35446
7728 * c-parser.c (c_parser_braced_init): Call pop_init_level when
7729 skipping until next close brace.
7730
7731 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
7732
7733 PR target/37049
7734 * config/i386/i386.c (ix86_expand_push): Set memory alignment
7735 to function argument boundary.
7736
7737 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
7738
7739 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
7740 in the lea_add. Reload eventually constraints it properly.
7741 * config/picochip/constraints.md : Remove the target constraint
7742 "b", since it is not needed anymore.
7743
7744 2009-02-16 Jakub Jelinek <jakub@redhat.com>
7745
7746 * gthr-dce.h: Uglify function parameter and local variable names.
7747 * gthr-gnat.h: Likewise.
7748 * gthr-mipssde.h: Likewise.
7749 * gthr-nks.h: Likewise.
7750 * gthr-posix95.h: Likewise.
7751 * gthr-posix.h: Likewise.
7752 * gthr-rtems.h: Likewise.
7753 * gthr-single.h: Likewise.
7754 * gthr-solaris.h: Likewise.
7755 * gthr-tpf.h: Likewise.
7756 * gthr-vxworks.h: Likewise.
7757 * gthr-win32.h: Likewise.
7758
7759 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
7760
7761 PR target/39196
7762 * config/i386/i386.md: Restrict the new peephole2 to move
7763 between MMX/SSE registers.
7764
7765 2009-02-15 Richard Guenther <rguenther@suse.de>
7766
7767 Revert
7768 2009-02-13 Richard Guenther <rguenther@suse.de>
7769
7770 * configure.ac: Enable LFS.
7771 * configure: Re-generate.
7772 * config.in: Likewise.
7773
7774 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
7775
7776 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
7777 spu_srqwbyte, spu_srqwbytebc): Define.
7778 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
7779 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
7780 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
7781 "shrqby_<mode>"): New insn-and-split patterns.
7782 * config/spu/spu.c (expand_builtin_args): Determine and return
7783 number of operands using spu_builtin_description data.
7784 (spu_expand_builtin_1): Use it.
7785
7786 2009-02-13 Steve Ellcey <sje@cup.hp.com>
7787
7788 PR target/38056
7789 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
7790 TARGET_CONST_GP.
7791
7792 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
7793
7794 PR target/39149
7795 * config/i386/i386.c (override_options): Correct warning
7796 messages for -malign-loops, -malign-jumps and -malign-functions.
7797
7798 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
7799
7800 PR target/39152
7801 * config/i386/i386.md: Restrict the new peephole2 to move
7802 between the general purpose registers.
7803
7804 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
7805
7806 PR target/39162
7807 * config/i386/i386.c (type_natural_mode): Add a new argument.
7808 Return the original mode and warn ABI change if vector size is 32byte.
7809 (function_arg_advance): Updated.
7810 (function_arg): Likewise.
7811 (ix86_function_value): Likewise.
7812 (ix86_return_in_memory): Likewise.
7813 (ix86_sol10_return_in_memory): Likewise.
7814 (ix86_gimplify_va_arg): Likewise.
7815 (function_arg_32): Don't warn ABX ABI change here.
7816 (function_arg_64): Likewise.
7817
7818 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
7819
7820 * loop-iv.c (implies_p): In the final case, test that operands 0
7821 of the two comparisons match.
7822
7823 * config/bfin/bfin.c (find_prev_insn_start): New function.
7824 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
7825 (find_next_insn_start): Move.
7826
7827 2009-02-13 Richard Guenther <rguenther@suse.de>
7828
7829 * configure.ac: Enable LFS.
7830 * configure: Re-generate.
7831 * config.in: Likewise.
7832
7833 2009-02-13 Joseph Myers <joseph@codesourcery.com>
7834
7835 PR c/35444
7836 * c-parser.c (c_parser_parms_list_declarator): Discard pending
7837 sizes on syntax error after some arguments have been parsed.
7838
7839 2009-02-12 Jakub Jelinek <jakub@redhat.com>
7840
7841 * doc/invoke.texi (-fira): Remove.
7842
7843 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
7844
7845 * caller-save.c: Replace regclass.c with reginfo.c in comments.
7846 * recog.c: Likewise.
7847 * rtl.h: Likewise.
7848
7849 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
7850
7851 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
7852 (umul_ppmm): Likewise.
7853 (count_leading_zeros): Likewise.
7854 (count_trailing_zeros): Likewise.
7855 (UMUL_TIME): Likewise.
7856
7857 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
7858
7859 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
7860 soft-fp/t-softfp to tmake_file.
7861
7862 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
7863 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
7864 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
7865 IA64_BUILTIN_INFQ]: New.
7866 (ia64_init_builtins): Initialize __builtin_infq,
7867 __builtin_fabsq and __builtin_copysignq if not HPUX.
7868 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
7869 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
7870
7871 * config/ia64/lib1funcs.asm (__divtf3): Define only if
7872 SHARED is defined.
7873 (__fixtfti): Likewise.
7874 (__fixunstfti): Likewise.
7875 (__floattitf): Likewise.
7876
7877 * config/ia64/libgcc-glibc.ver: New.
7878 * config/ia64/t-fprules-softfp: Likewise.
7879 * config/ia64/sfp-machine.h: Likewise.
7880
7881 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
7882 (LIBGCC2_TF_CEXT): Likewise.
7883 (TF_SIZE): Likewise.
7884 (TARGET_INIT_LIBFUNCS): Likewise.
7885
7886 * config/ia64/t-glibc (SHLINB_MAPFILES):
7887 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
7888
7889 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
7890
7891 * config/i386/i386.c (construct_container): Rewrite processing
7892 BLKmode with X86_64_SSE_CLASS.
7893
7894 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
7895
7896 PR target/39152
7897 * config/i386/i386.md: Replace simplify_replace_rtx with
7898 replace_rtx in the new peephole2.
7899
7900 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
7901
7902 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
7903 loop unrolling do not happen at -O2.
7904
7905 2009-02-12 Michael Matz <matz@suse.de>
7906
7907 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
7908
7909 2009-02-12 Jakub Jelinek <jakub@redhat.com>
7910
7911 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
7912 for -g3.
7913
7914 2009-02-12 Ben Elliston <bje@au.ibm.com>
7915
7916 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
7917 patterns when updating the back chain. Missed in the 2009-02-10
7918 change.
7919
7920 2009-02-11 Janis Johnson <janis187@us.ibm.com>
7921
7922 * doc/extend.texi (Decimal Floating Types): Update identifier of
7923 draft TR and list of missing support.
7924
7925 2009-02-11 Jakub Jelinek <jakub@redhat.com>
7926
7927 PR middle-end/39154
7928 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
7929 bit to variable length decl's flags, add it also to its
7930 pointer replacement variable.
7931
7932 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
7933 Jakub Jelinek <jakub@redhat.com>
7934
7935 PR target/39118
7936 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
7937 (memory_blockage): New expander.
7938 (*memory_blockage): New insn pattern.
7939 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
7940 instead of general blockage at the end of function prologue when
7941 frame pointer is used to access red zone area. Do not emit blockage
7942 when profiling, it is emitted in generic code.
7943 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
7944 function epilogue when frame pointer is used to access red zone area.
7945
7946 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
7947
7948 PR target/38824
7949 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
7950 by arithmetic with memory operands.
7951 * config/i386/predicates.md (commutative_operator): New.
7952
7953 2009-02-10 Janis Johnson <janis187@us.ibm.com>
7954
7955 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
7956 bulleted lists.
7957
7958 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
7959
7960 * alias.h (record_alias_subset): Declare.
7961 * alias.c (record_alias_subset): Make global.
7962
7963 2009-02-10 Nick Clifton <nickc@redhat.com>
7964
7965 * tree-parloops.c: Change license to GPLv3.
7966 * ipa-struct-reorg.c: Change license to GPLv3.
7967 * ipa-struct-reorg.h: Change license to GPLv3.
7968
7969 2009-02-10 Steve Ellcey <sje@cup.hp.com>
7970
7971 PR c/39084
7972 * c-decl.c (start_struct): Return NULL on error.
7973
7974 2009-02-10 Jakub Jelinek <jakub@redhat.com>
7975
7976 PR middle-end/39124
7977 * cfgloopmanip.c (remove_path): Call remove_bbs after
7978 cancel_loop_tree, not before it.
7979
7980 PR target/39139
7981 * function.h (struct function): Add has_local_explicit_reg_vars bit.
7982 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
7983 VAR_DECLs were seen.
7984 * tree-ssa-live.c (remove_unused_locals): Recompute
7985 cfun->has_local_explicit_reg_vars.
7986 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
7987 copies or clearings if cfun->has_local_explicit_reg_vars.
7988
7989 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
7990
7991 PR target/39118
7992 * config/i386/i386.c (expand_prologue): Emit blockage at the end
7993 of function prologue when frame pointer is used to access
7994 red zone area.
7995
7996 2009-02-10 Richard Guenther <rguenther@suse.de>
7997
7998 PR middle-end/39127
7999 * gimplify.c (gimple_regimplify_operands): Always look if
8000 we need to create a temporary.
8001
8002 2009-02-10 Richard Guenther <rguenther@suse.de>
8003
8004 PR tree-optimization/39132
8005 * tree-loop-distribution.c (todo): New global var.
8006 (generate_memset_zero): Trigger TODO_rebuild_alias.
8007 (tree_loop_distribution): Return todo.
8008
8009 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
8010
8011 PR target/39119
8012 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
8013 (x86_64_reg_class_name): Removed.
8014 (classify_argument): Return 0 if bytes > 32. Return 0 if the
8015 first one isn't X86_64_SSE_CLASS or any other ones aren't
8016 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
8017 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
8018 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
8019 and 3 X86_64_SSEUP_CLASS.
8020 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
8021 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
8022
8023 2009-02-10 Ben Elliston <bje@au.ibm.com>
8024
8025 * config/rs6000/rs6000.md (allocate_stack): Always use an update
8026 form instruction to update the stack back chain word, even if the
8027 user has disabled the generation of update instructions.
8028 (movdi_<mode>_update_stack): New.
8029 (movsi_update_stack): Likewise.
8030 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
8031 always use an update form instruction to update the stack back
8032 chain word.
8033
8034 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
8035
8036 PR middle-end/38953
8037 * graphite.c (if_region_set_false_region): After moving a region in
8038 the false branch of a condition, remove the empty dummy basic block.
8039 (gloog): Remove wrong fix for PR38953.
8040
8041 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
8042
8043 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
8044 generation due to implicit sign extension.
8045
8046 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
8047
8048 PR middle-end/38981
8049 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
8050 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
8051
8052 2009-02-09 Richard Guenther <rguenther@suse.de>
8053
8054 PR middle-end/35202
8055 * convert.c (convert_to_real): Disable (float)fn((double)x)
8056 to fnf(x) conversion if errno differences may occur and
8057 -fmath-errno is set.
8058
8059 2009-02-07 Anatoly Sokolov <aesok@post.ru>
8060
8061 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
8062 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8063 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8064
8065 2009-02-06 Joseph Myers <joseph@codesourcery.com>
8066
8067 PR c/35434
8068 * c-common.c (handle_alias_attribute): Disallow attribute for
8069 anything not a FUNCTION_DECL or VAR_DECL.
8070
8071 2009-02-06 Janis Johnson <janis187@us.ibm.com>
8072
8073 PR c/39035
8074 * real.c (do_compare): Special-case compare of zero against
8075 decimal float value.
8076
8077 2009-02-06 Joseph Myers <joseph@codesourcery.com>
8078
8079 PR c/36432
8080 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
8081 as indicating flexible array members unless the field itself is
8082 being declarared as the incomplete array.
8083
8084 2009-02-06 Jan Hubicka <jh@suse.cz>
8085
8086 PR tree-optimization/38844
8087 * ipa-inline.c (try_inline): Stop inlining recursion when edge
8088 is already inlined.
8089
8090 2009-02-06 Richard Guenther <rguenther@suse.de>
8091
8092 PR middle-end/38977
8093 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
8094 fork because we may expand it as __gcov_fork.
8095
8096 2009-02-06 Nick Clifton <nickc@redhat.com>
8097
8098 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
8099
8100 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
8101
8102 PR tree-optimization/35659
8103 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
8104 vn_phi_eq): Shortcut if hashcode does not match.
8105 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
8106 NULL operands.
8107 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
8108 and avoid iterative_hash_expr.
8109 (FOR_EACH_VALUE_ID_IN_SET): New.
8110 (value_id_compare): Remove.
8111 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
8112 sort expressions by value id.
8113
8114 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
8115
8116 PR target/38991
8117 * config/sh/predicates.md (general_movsrc_operand): Don't check
8118 the subreg of system registers here.
8119
8120 2009-02-05 Jakub Jelinek <jakub@redhat.com>
8121
8122 PR c++/39106
8123 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
8124 on the copied decl.
8125
8126 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
8127
8128 PR rtl-optimization/39110
8129 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
8130 addresses, not aligned ones.
8131
8132 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
8133 Richard Guenther <rguenther@suse.de>
8134
8135 PR tree-optimization/39100
8136 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
8137 comment says and add edges.
8138
8139 2009-02-05 Joseph Myers <joseph@codesourcery.com>
8140
8141 PR c/35435
8142 * c-common.c (handle_tls_model_attribute): Ignore attribute for
8143 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
8144
8145 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
8146
8147 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
8148 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
8149 register_bb_in_sese, new_sese, free_sese): Moved.
8150 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
8151 outermost_loop_in_scop, build_scop_iteration_domain,
8152 expand_scalar_variables_ssa_name, get_vdef_before_scop,
8153 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
8154 Use loop_in_sese_p instead of loop_in_scop_p.
8155 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
8156 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
8157 (scopdet_basic_block_info): Fix bug in scop detection.
8158 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
8159 eq_loop_to_cloog_loop): Remove.
8160 (nb_loops_around_loop_in_scop, nb_loop
8161 ref_nb_loops): Moved here...
8162 * graphite.h (ref_nb_loops): ... from here.
8163 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
8164 (loop_domain_dim, loop_iteration_vector_dim): Remove.
8165 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
8166 * testsuite/gcc.dg/graphite/scop-19.c: New
8167
8168 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
8169 Hans-Peter Nilsson <hp@axis.com>
8170
8171 PR rtl-optimization/37889
8172 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
8173 Move offset handling from PLUS to before the switch. Use new
8174 arguments when considering SYMBOL_REFs too.
8175 (rtx_addr_can_trap_p): Pass dummy offset and size.
8176 (enum may_trap_p_flags): Remove.
8177 (may_trap_p_1): Pass size from MEM_SIZE.
8178
8179 PR rtl-optimization/38921
8180 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
8181 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
8182 * rtlanal.c (may_trap_after_code_motion_p): Delete.
8183 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
8184
8185 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
8186
8187 AVX Programming Reference (January, 2009)
8188 * config/i386/sse.md (*vpclmulqdq): New.
8189
8190 2009-02-04 Jakub Jelinek <jakub@redhat.com>
8191
8192 PR tree-optimization/38977
8193 PR gcov-profile/38292
8194 * calls.c (special_function_p): Disregard __builtin_ prefix.
8195
8196 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
8197
8198 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
8199 non-indexable addresses even before reload.
8200
8201 2009-02-03 Joseph Myers <joseph@codesourcery.com>
8202
8203 PR c/29129
8204 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
8205 as having variable size. Do not give an error for unnamed
8206 parameters with [*] declarators. Give a warning for type names
8207 with [*] declarators and mark them as variable size.
8208 * c-parser.c (c_parser_sizeof_expression): Do not give an error
8209 for sizeof applied to [*] type names.
8210
8211 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
8212
8213 PR C++/36607
8214 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
8215
8216 2009-02-03 Jakub Jelinek <jakub@redhat.com>
8217
8218 * gcc.c (process_command): Update copyright notice dates.
8219 * gcov.c (print_version): Likewise.
8220 * gcov-dump.c (print_version): Likewise.
8221 * mips-tfile.c (main): Likewise.
8222 * mips-tdump.c (main): Likewise.
8223
8224 2009-02-03 Joseph Myers <joseph@codesourcery.com>
8225
8226 PR c/35433
8227 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
8228 for composite type involving a zero-length array type.
8229
8230 2009-02-03 Jakub Jelinek <jakub@redhat.com>
8231
8232 PR target/35318
8233 * function.c (match_asm_constraints_1): Skip over
8234 initial optional % in the constraint.
8235
8236 PR inline-asm/39059
8237 * c-parser.c (c_parser_postfix_expression): If fixed point is not
8238 supported, don't accept FIXED_CSTs.
8239 * c-decl.c (finish_declspecs): Error if fixed point is not supported
8240 and _Sat is used without _Fract/_Accum. Set specs->type to
8241 integer_type_node for cts_fract/cts_accum if fixed point is not
8242 supported.
8243
8244 2009-02-02 Catherine Moore <clm@codesourcery.com>
8245
8246 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
8247
8248 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
8249
8250 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
8251 (ABI_HAS_64BIT_SYMBOLS): Use it.
8252 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
8253
8254 2009-02-02 Paul Brook <paul@codesourcery.com>
8255
8256 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
8257
8258 2009-02-02 Jakub Jelinek <jakub@redhat.com>
8259
8260 PR inline-asm/39058
8261 * recog.h (asm_operand_ok): Add constraints argument.
8262 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
8263 recurse on matching constraint.
8264 (check_asm_operands): Pass constraints as 3rd argument to
8265 asm_operand_ok. Don't look up matching constraint here.
8266 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
8267 to asm_operand_ok.
8268
8269 2009-02-02 Ben Elliston <bje@au.ibm.com>
8270
8271 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
8272 TARGET_NARROW_VOLATILE_BITFIELD macro names.
8273
8274 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8275
8276 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
8277 information. Remove some obsolete information. Reorganize.
8278
8279 * config/pa/fptr.c: Revert license to GPL 2.
8280 * config/pa/milli64.S: Likewise.
8281
8282 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
8283
8284 PR target/38904
8285 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
8286 LIBRARY name in, instead of hard-coding it.
8287 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
8288 extra target make frag to tmake_files according to EH model.
8289 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
8290 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
8291 frags that define makefile variable EH_MODEL appropriately.
8292 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
8293 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
8294 to "-sjlj" according to type of EH configured.
8295 (LIBGCC_SONAME): Concatenate it to shared library base name.
8296 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
8297 to "_sjlj" according to type of EH configured.
8298 (LIBGCC_SONAME): Concatenate it to shared library base name.
8299 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
8300 (SHLIB_LINK): Add missing semicolon to if-else construct.
8301 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
8302 string value of "pe_dll" command-line option.
8303 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
8304 (SHLIB_SONAME): Use it when overriding t-cygming default.
8305 (SHLIB_IMPLIB): Override t-cygming default.
8306 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
8307 string value of "pe_dll" command-line option.
8308
8309 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
8310
8311 PR target/38952
8312 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
8313 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
8314
8315 2009-01-31 Richard Guenther <rguenther@suse.de>
8316
8317 PR tree-optimization/38937
8318 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
8319 computing the transitive closure.
8320
8321 2009-01-30 Richard Guenther <rguenther@suse.de>
8322
8323 PR tree-optimization/39041
8324 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
8325 Propagate variable indices only if the types match for this stmt.
8326
8327 2009-01-30 Jakub Jelinek <jakub@redhat.com>
8328
8329 PR target/39013
8330 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
8331 inline but never defined.
8332
8333 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
8334
8335 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
8336 (*insv_h_di_reg_extimm): New insn.
8337 (*insv_l<mode>_reg_extimm): New insn.
8338
8339 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
8340
8341 * config/picochip/picochip.c (flag_conserve_stack): set
8342 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
8343 fconserve-stack. Reduce call-overhead used by inliner.
8344
8345 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
8346
8347 PR/38157
8348 * common.opt (flag_conserve_stack): Initialised to zero.
8349
8350 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
8351
8352 PR/39002
8353 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
8354 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
8355 method.
8356
8357 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
8358
8359 * ira-color.c (allocno_reload_assign): Update comments.
8360 * regmove.c (regmove_optimize): Likewise.
8361
8362 * ra.h: Removed.
8363
8364 2009-01-29 Robert Millan <rmh@aybabtu.com>
8365
8366 * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
8367 * config/i386/kopensolaris-gnu.h: New file. Undefine
8368 `MD_UNWIND_SUPPORT'.
8369 * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
8370
8371 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
8372
8373 PR tree-optimization/39007
8374 * tree-loop-distribution.c (generate_builtin): Use
8375 recompute_dominator to compute the immediate dominator of the
8376 basic block just after the loop.
8377
8378 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8379
8380 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
8381 (ASM_OUTPUT_DWARF_PCREL): Define.
8382
8383 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
8384
8385 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
8386 * doc/passes.texi: Remove entries about regclass, local-alloc, and
8387 global. Modify entries about regmove and IRA.
8388
8389 * ra-conflict.c: Remove the file.
8390
8391 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
8392
8393 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
8394 (pass_regclass_init): Rename to pass_reginfo_init.
8395
8396 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
8397
8398 * toplev.h (flag_ira): Remove.
8399
8400 * caller-save.c (setup_save_areas): Remove flag_ira.
8401
8402 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
8403
8404 * global.c: Remove the file.
8405
8406 * opts.c (decode_options): Remove flag_ira.
8407
8408 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
8409
8410 * regmove.c: Modify file description.
8411 (find_use_as_address, try_auto_increment): Define them only if
8412 AUTO_INC_DEC is defined.
8413 (replacement_quality, replace_in_call_usage, fixup_match_1,
8414 stable_and_no_regs_but_for_p): Remove.
8415 (reg_set_in_bb): Make it static.
8416 (regmove_optimize): Remove flag_ira and code which worked for
8417 !flag_ira.
8418
8419 * local-alloc.c: Remove the file.
8420
8421 * common.opt (fira): Remove.
8422
8423 * ira.c: Include except.h.
8424 (eliminable_regset): Move from global.c.
8425 (mark_elimination): Ditto. Remove flag_ira.
8426 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
8427 equiv_mem_modified, validate_equiv_mem_from_store,
8428 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
8429 contains_replace_regs, memref_referenced_p, memref_used_between_p,
8430 no_equiv, recorded_label_ref): Move from local-alloc.c.
8431 (update_equiv_regs): Ditto. Make it static.
8432 (print_insn_chain, print_insn_chains): Move it from global.c.
8433 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
8434 (build_insn_chain): Ditto. Make it static.
8435 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
8436 Rename to init_live_subregs.
8437 (gate_ira): Remove flag_ira.
8438
8439 * regclass.c: Rename reginfo.c. Change file description.
8440 (FORBIDDEN_INC_DEC_CLASSES): Remove.
8441 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
8442 (init_reg_sets_1): Remove code for evaluation of
8443 reg_class_superclasses and losing_caller_save_reg_set.
8444 (init_regs): Remove init_reg_autoinc.
8445 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
8446 ok_for_base_p_nonstrict): Remove.
8447 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
8448 (pass_regclass_init): Rename to pass_reginfo_init. Modify
8449 corresponding entries.
8450 (dump_regclass, record_operand_costs, scan_one_insn,
8451 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
8452 record_address_regs, auto_inc_dec_reg_p): Remove.
8453 (gt-regclass.h): Rename to gt-reginfo.h.
8454
8455 * rtl.h (dump_global_regs, retry_global_alloc,
8456 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
8457
8458 * Makefile.in (RA_H): Remove.
8459 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
8460 Rename regclass.o to reginfo.o.
8461 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
8462 gt-reginfo.h.
8463 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
8464 (GTFILES): Rename regclass.c to reginfo.c.
8465
8466 * passes.c (init_optimization_passes): Remove pass_local_alloc and
8467 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
8468
8469 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
8470 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
8471 Remove flag_ira.
8472 (finish_spills): Ditto. Remove code for !flag_ira.
8473
8474 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8475
8476 PR middle-end/35854
8477 * doc/invoke.texi (rtl debug options): Complete rewrite.
8478 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
8479 to auto_inc_dec".
8480 * mode-switching.c (pass_mode_switching): Rename pass from
8481 "mode-sw" to "mode_sw".
8482 * except.c (pass_convert_to_eh_ranges): Rename pass from
8483 "eh-ranges" to "eh_ranges".
8484 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
8485 to "subreg1".
8486
8487
8488 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
8489 Alexander Monakov <amonakov@ispras.ru>
8490
8491 PR middle-end/38857
8492 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
8493 register.
8494 (move_exprs_to_boundary): Change return type and pass through
8495 should_move from move_op. Relax assert. Update usage ...
8496 (schedule_expr_on_boundary): ... here. Use should_move instead of
8497 cant_move.
8498 (move_op_orig_expr_found): Indicate that insn was disconnected from
8499 stream.
8500 (code_motion_process_successors): Do not call after_merge_succs
8501 callback if original expression was not found when traversing any of
8502 the branches.
8503 (code_motion_path_driver): Change return type. Update prototype.
8504 (move_op): Update comment. Add a new parameter (should_move). Update
8505 prototype. Set *should_move based on indication provided by
8506 move_op_orig_expr_found.
8507
8508 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
8509
8510 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
8511 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
8512 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
8513 * config/rs6000/rs6000.c (rs6000_override_options): Default
8514 avoid-indexed-addresses on for Power6, off for everything else.
8515 (avoiding_indexed_address_p): New function.
8516 (rs6000_legitimize_address): Use it.
8517 (rs6000_legitimate_address): Likewise.
8518 * config/rs6000/rs6000.md (movXX_updateX): Likewise
8519
8520 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
8521
8522 PR tree-optimization/38997
8523 * tree-loop-distribution.c (generate_memset_zero): Use
8524 POINTER_PLUS_EXPR for a pointer addition.
8525
8526 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
8527
8528 * config/s390/s390.md (bswap<mode>2): New pattern added.
8529
8530 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
8531
8532 * config/s390/s390.md (*tls_load_31): Added type attribute.
8533
8534 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
8535
8536 * config/s390/s390.md: Fix a few comments.
8537
8538 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
8539
8540 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
8541 (*tm<mode>_full): Fixed z10prop attribute.
8542 (*tst<mode>_extimm): Fixed z10prop attribute.
8543 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
8544 (*tstqiCCT_cconly): Fixed z10prop attribute.
8545 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
8546 (*movsi_larl): Fixed z10prop attribute.
8547 (*movsi_zarch): Fixed z10prop attribute.
8548 (*movsi_eas): Fixed z10prop attribute.
8549 (*movhi): Fixed z10prop attribute.
8550 (*movqi): Fixed z10prop attribute.
8551 (*movstrictqi): Fixed z10prop attribute.
8552 (*mov<mode>): Fixed z10prop attribute.
8553 (*movcc): Fixed z10prop attribute.
8554 (*sethighpartdi_64): Fixed z10prop attribute.
8555 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
8556 (*negdi2_sign_cc): Fixed z10prop attribute.
8557 (*negdi2_sign): Fixed z10prop attribute.
8558 (*absdi2_sign_cc): Fixed z10prop attribute.
8559 (*absdi2_sign): Fixed z10prop attribute.
8560 (*negabsdi2_sign_cc): Fixed z10prop attribute.
8561 (*negabsdi2_sign): Fixed z10prop attribute.
8562 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
8563 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
8564 (doloop_si64): Fixed z10prop attribute.
8565 (doloop_si31): Fixed z10prop attribute.
8566 (doloop_long): Fixed z10prop attribute.
8567 (indirect_jump): Fixed z10prop attribute.
8568 (nop): Fixed z10prop attribute.
8569 (main_base_64): Fixed z10prop attribute.
8570 (reload_base_64): Fixed z10prop attribute.
8571
8572 2009-01-28 Jakub Jelinek <jakub@redhat.com>
8573
8574 PR rtl-optimization/38740
8575 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
8576 if !optimize.
8577 * config/mips/mips.c (mips_reorg): Likewise.
8578
8579 2009-01-28 Richard Guenther <rguenther@suse.de>
8580
8581 PR tree-optimization/38926
8582 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
8583 with the correct value id to a value.
8584 (do_regular_insertion): Use the value number of edoubleprime
8585 for the value number of the expr.
8586
8587 Revert
8588 2008-08-21 Richard Guenther <rguenther@suse.de>
8589
8590 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
8591 a PHI ask VN if it is already available.
8592 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
8593 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
8594
8595 2009-01-28 Jakub Jelinek <jakub@redhat.com>
8596
8597 PR middle-end/38934
8598 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
8599 set to varying whenever max has TREE_OVERFLOW set, similarly
8600 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
8601
8602 2009-01-28 Richard Guenther <rguenther@suse.de>
8603
8604 PR middle-end/38908
8605 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
8606 uninitialized aggregate uses in call arguments.
8607
8608 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
8609
8610 PR tree-optimization/38984
8611 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
8612 the nothing_id variable if -fno-delete-null-pointer-checks.
8613
8614 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
8615
8616 PR target/38988
8617 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
8618 (set_got_offset_rex64): Ditto.
8619
8620 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
8621
8622 PR target/38941
8623 * doc/extend.texi: Improve local variable with asm reg.
8624
8625 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
8626
8627 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
8628 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
8629 was not supplied then set warn_packed_bitfield_compat to the
8630 default value of 1.
8631 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
8632 against 1.
8633
8634 2009-01-27 Richard Guenther <rguenther@suse.de>
8635
8636 PR tree-optimization/38503
8637 * cfgexpand.c (expand_gimple_basic_block): Ignore
8638 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
8639 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
8640 variables that cannot have TBAA applied.
8641 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
8642 statements.
8643
8644 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
8645
8646 PR middle-end/38969
8647 * calls.c (initialize_argument_information): Do not wrap complex
8648 arguments in SAVE_EXPR.
8649
8650 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
8651
8652 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
8653 (INSTALL_LIBGCC): Revert typo commit.
8654
8655 2009-01-26 Richard Guenther <rguenther@suse.de>
8656
8657 PR tree-optimization/38745
8658 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
8659 from special handling.
8660
8661 2009-01-26 Richard Guenther <rguenther@suse.de>
8662
8663 PR tree-optimization/38745
8664 * tree-ssa.c (execute_update_addresses_taken): Do not include
8665 variables that cannot possibly be a register in not_reg_needs.
8666 Do not clear TREE_ADDRESSABLE on vars that may not become
8667 registers.
8668 * tree-ssa.c (update_alias_info_1): Include those in the set
8669 of addressable vars.
8670
8671 2009-01-26 Richard Guenther <rguenther@suse.de>
8672
8673 PR middle-end/38851
8674 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
8675 * tree-ssa-dse.c: Include langhooks.h
8676 (execute_simple_dse): Remove stores with zero size.
8677
8678 2009-01-24 Jakub Jelinek <jakub@redhat.com>
8679
8680 PR c/38957
8681 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
8682 as PLUS_EXPR.
8683
8684 2009-01-24 Julian Brown <julian@codesourcery.com>
8685
8686 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
8687 config/arm/linux-atomic.c.
8688 * config/arm/linux-atomic.c: New.
8689
8690 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
8691
8692 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
8693 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
8694 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
8695
8696 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
8697
8698 PR c/38938
8699 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
8700 properly.
8701
8702 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
8703
8704 PR tree-optimization/38953
8705 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
8706 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
8707 (gloog): Split the exit of the scop when the scop exit is a loop exit.
8708 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
8709 changed the CFG.
8710
8711 2009-01-24 Paul Brook <paul@codesourcery.com>
8712
8713 * config/arm/neon.md (neon_type): Move to arm.md.
8714 (neon_mov<VSTRUCT>): Add neon_type attribute.
8715 * config/arm/arm.md (neon_type): Move to here.
8716 (conds): Add "unconditioal" and use as default for NEON insns.
8717
8718 2009-01-24 Ben Elliston <bje@au.ibm.com>
8719
8720 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
8721 void *' warning from -Wc++-compat.
8722 * Makefile.in (dominance.o-warn): Remove.
8723
8724 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
8725
8726 PR tree-optimization/38932
8727 * fold-const.c (fold_unary_ignore_overflow): New.
8728 * tree.h (fold_unary_ignore_overflow): Declare.
8729 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
8730 * tree-ssa-sccvn.c (visit_reference_op_load,
8731 simplify_unary_expression): Likewise.
8732
8733 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
8734
8735 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
8736 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
8737 regardless of their type.
8738 * c-common.c (handle_packed_attribute): Don't ignore packed on
8739 bitfields.
8740 * c.opt (Wpacked-bitfield-compat): New warning option.
8741 * stor-layout.c (place_field): Warn if offset of a field changed.
8742 * doc/extend.texi (packed): Mention the ABI change.
8743 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
8744 (Warning Options): Add it to the list.
8745
8746 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
8747
8748 * c-opts.c (c_common_post_options): Fix a typo in comments.
8749
8750 2009-01-22 Steve Ellcey <sje@cup.hp.com>
8751
8752 PR middle-end/38615
8753 * gimplify.c (gimplify_init_constructor): Fix promotion of const
8754 variables to static.
8755 * doc/invoke.texi (-fmerge-all-constants): Update description.
8756
8757 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
8758
8759 PR target/38931
8760 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
8761 (*movdi_1_rex64): Use type "mmx" for alternative 5.
8762
8763 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
8764
8765 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
8766 a word boundary.
8767 (LOCAL_ALIGNMENT): Similarly.
8768
8769 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
8770 Joseph Myers <joseph@codesourcery.com>
8771
8772 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
8773 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
8774 * config/arm/arm-tune.md: Regenerate.
8775 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
8776 -march=iwmmxt2.
8777
8778 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
8779
8780 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
8781 version number to five.
8782
8783 2009-01-22 Dodji Seketeli <dodji@redhat.com>
8784
8785 PR c++/38930
8786 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
8787 * c-common.c (set_underlying_type): Likewise.
8788 (is_typedef_decl ): Likewise
8789 * tree.h: Likewise
8790 (set_underlying_type): Likewise.
8791 (is_typedef_type): Likewise.
8792
8793 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
8794
8795 PR middle-end/38587
8796 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
8797 crossing setjmps.
8798
8799 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
8800
8801 PR bootstrap/37660
8802 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
8803 (LIBGCC_SPEC): Don't define.
8804 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
8805
8806 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
8807
8808 PR rtl-optimization/38879
8809 * alias.c (base_alias_check): Unaligned access via AND address can
8810 alias all surrounding object types except those with sizes equal
8811 or wider than the size of unaligned access.
8812
8813 2009-01-21 Dodji Seketeli <dodji@redhat.com>
8814
8815 PR c++/26693
8816 * c-decl.c (clone_underlying_type): Move this ...
8817 * c-common.c (set_underlying_type): ... here.
8818 Also, make sure the function properly sets TYPE_STUB_DECL() on
8819 the newly created typedef variant type.
8820 (is_typedef_decl ): New entry point.
8821 * tree.h: Added a new member member_types_needing_access_check to
8822 struct tree_decl_non_common.
8823 (set_underlying_type): New entry point.
8824 (is_typedef_type): Likewise.
8825
8826 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
8827
8828 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
8829 Check whether two instructions have memory references that
8830 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
8831 are helper functions for traversing.
8832 * alias.h (insn_alias_sets_confilict_p): New prototypes.
8833 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
8834 not to draw dependency edge for instructions with non-conflicting
8835 alias sets.
8836
8837 2009-01-20 Joseph Myers <joseph@codesourcery.com>
8838
8839 PR other/38758
8840 * longlong.h: Update copyright years. Use soft-fp license notice.
8841 Sync __clz_tab declaration with glibc.
8842
8843 2009-01-20 Steve Ellcey <sje@cup.hp.com>
8844
8845 PR target/30687
8846 * doc/extend.texi (syscall_linkage): New.
8847 (version_id): Modify.
8848
8849 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
8850 Richard Guenther <rguenther@suse.de>
8851
8852 PR tree-optimization/38747
8853 PR tree-optimization/38748
8854 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
8855 conversion if the base address is an indirect reference and the
8856 aliasing sets could cause issues.
8857
8858 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
8859
8860 * common.opt (fgraphite, fgraphite-identity): Add comment for
8861 explaining why these options are not documented.
8862
8863 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
8864
8865 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
8866 gimple_call_lhs is NULL.
8867
8868 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
8869
8870 PR target/38868
8871 * emit-rtl.c (adjust_address_1): Make sure memref is never
8872 overwritten.
8873
8874 2009-01-20 Ben Elliston <bje@au.ibm.com>
8875
8876 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
8877 const qualifier from arg parameter. Remove unnecessary cast to char *.
8878 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
8879 const qualifier from arg 2.
8880
8881 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
8882
8883 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
8884
8885 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
8886
8887 PR c/38869
8888 * rtl.h (reinit_regs): New prototype.
8889 * regclass.c: Include ira.h.
8890 (reinit_regs): New.
8891 * Makefile.in (regclass.o): Add ira.h.
8892 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
8893
8894 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
8895
8896 PR target/38736
8897 * c-common.c (handle_aligned_attribute): Use
8898 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
8899 default alignment value.
8900
8901 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
8902
8903 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
8904 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
8905
8906 * doc/extend.texi: Update __attribute__ ((aligned)). Document
8907 __BIGGEST_ALIGNMENT__.
8908
8909 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
8910
8911 2009-01-18 Richard Guenther <rguenther@suse.de>
8912
8913 PR tree-optimization/38819
8914 * tree-flow.h (operation_could_trap_helper_p): Declare.
8915 * tree-eh.c (operation_could_trap_helper_p): Export.
8916 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
8917 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
8918 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
8919 are about to insert a possibly trapping instruction and fail
8920 in this case.
8921
8922 2009-01-18 Andreas Schwab <schwab@suse.de>
8923
8924 * doc/install.texi (Configuration): Remove obsolete paragraph
8925 about use of --with-gnu-ld with --with-gnu-as.
8926
8927 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
8928
8929 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
8930 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
8931 Follow spelling conventions.
8932
8933 2009-01-18 Ben Elliston <bje@au.ibm.com>
8934
8935 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
8936 C++ warning about implicit conversion from void * to struct
8937 bitmap_head_def *.
8938 (bitmap_obstack_free): Likewise for bitmap_element *.
8939 * Makefile.in (bitmap.o-warn): Remove.
8940
8941 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
8942
8943 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
8944
8945 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
8946 Tobias Grosser <tobi.grosser@amd.com>
8947
8948 * graphite.c (graphite_trans_scop_block): Do not block single
8949 nested loops.
8950
8951 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
8952
8953 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
8954 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
8955 test with assertion.
8956
8957 2009-01-16 Richard Guenther <rguenther@suse.de>
8958
8959 PR tree-optimization/38835
8960 PR middle-end/36227
8961 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
8962 and INT + PTR -> (INT)(PTR p+ INT) folding.
8963 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
8964
8965 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
8966
8967 PR target/38554
8968 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
8969 the subreg from a lowpart subreg if it is also casting the value.
8970
8971 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
8972 Tobias Grosser <tobi.grosser@amd.com>
8973
8974 * graphite.c (compare_prefix_loops): New.
8975 (build_scop_canonical_schedules): Rewritten.
8976 (graphite_transform_loops): Move build_scop_canonical_schedules
8977 after build_scop_iteration_domain.
8978
8979 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
8980 Tobias Grosser <tobi.grosser@amd.com>
8981
8982 * graphite.c (add_conditions_to_domain): Add the loops to
8983 the dimension of the iteration domain. Do copy the domain
8984 only when it exists.
8985 (build_scop_conditions_1): Do not call add_conditions_to_domain.
8986 (add_conditions_to_constraints): New.
8987 (can_generate_code_stmt, can_generate_code): Removed.
8988 (gloog): Do not call can_generate_code.
8989 (graphite_transform_loops): Call add_conditions_to_constraints
8990 after building the iteration domain.
8991
8992 2009-01-16 Jakub Jelinek <jakub@redhat.com>
8993
8994 PR tree-optimization/38789
8995 * tree-ssa-threadedge.c
8996 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
8997 __builtin_constant_p.
8998
8999 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
9000
9001 * dce.c (delete_unmarked_insns): Reversed the order that insns are
9002 examined before deleting them.
9003
9004 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
9005
9006 * function.c (aggregate_value_p): Correctly extract the function
9007 type from CALL_EXPR_FN lookup.
9008
9009 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
9010
9011 * config/picochip/picochip.c (picochip_override_options): Revert
9012 CFI asm flag disable commited previously.
9013
9014 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
9015 Tobias Grosser <tobi.grosser@amd.com>
9016 Jan Sjodin <jan.sjodin@amd.com>
9017
9018 * graphite.c (scan_tree_for_params): On substractions negate
9019 all the coefficients of the term.
9020 (clast_to_gcc_expression_red): New. Handle reduction expressions
9021 of more than two operands.
9022 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
9023 (get_vdef_before_scop): Handle also the case of default definitions.
9024
9025 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
9026
9027 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
9028 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
9029 Also use them when walking CALL_INSN_FUNCTION_USAGE.
9030
9031 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
9032 Joey Ye <joey.ye@intel.com>
9033
9034 PR middle-end/37843
9035 * cfgexpand.c (expand_stack_alignment): Don't update stack
9036 boundary nor check incoming stack boundary here.
9037 (gimple_expand_cfg): Update stack boundary and check incoming
9038 stack boundary here.
9039
9040 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
9041
9042 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
9043
9044 2009-01-14 Jakub Jelinek <jakub@redhat.com>
9045
9046 PR rtl-optimization/38245
9047 * calls.c (expand_call): Add stack arguments to
9048 CALL_INSN_FUNCTION_USAGE even for pure calls (when
9049 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
9050 in regs and partially in memory or BLKmode arguments.
9051 (emit_library_call_value_1): Add stack arguments to
9052 CALL_INSN_FUNCTION_USAGE even for pure calls (when
9053 ACCUMULATE_OUTGOING_ARGS).
9054 * dce.c: Include tm_p.h.
9055 (find_call_stack_args): New function.
9056 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
9057 argument.
9058 (mark_insn): Call find_call_stack_args for CALL_Ps.
9059 (prescan_insns_for_dce): Walk insns backwards in bb rather than
9060 forwards. Allocate and free arg_stores bitmap if needed, pass it
9061 down to deletable_insn_p, don't mark stores set in arg_stores
9062 bitmap, clear the bitmap at the beginning of each bb.
9063 * Makefile.in (dce.o): Depend on $(TM_P_H).
9064
9065 2009-01-14 Michael Meissner <gnu@the-meissners.org>
9066
9067 PR target/22599
9068 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
9069 to make sure the insn is a conditional test (bug 22599). Reformat a
9070 few long lines.
9071
9072 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
9073
9074 PR middle-end/38431
9075 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
9076 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
9077 (gloog): Do not call cleanup_tree_cfg.
9078 (graphite_transform_loops): Call cleanup_tree_cfg after all
9079 scops have been code generated.
9080
9081 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
9082 * doc/gty.texi (Invoking the garbage collector): Added new node
9083 and section documenting ggc_collect.
9084
9085 2009-01-14 Richard Guenther <rguenther@suse.de>
9086
9087 PR tree-optimization/38826
9088 PR middle-end/38477
9089 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
9090 initialization notes only if we actually emitted a warning.
9091 (intra_create_variable_infos): Add constraints for a result decl
9092 that is passed by hidden reference.
9093 (build_pred_graph): Mark all related variables non-direct on
9094 address-taking.
9095
9096 2009-01-14 Nick Clifton <nickc@redhat.com>
9097
9098 * ira-conflicts.c: Include addresses.h for the definition of
9099 base_reg_class.
9100 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
9101 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
9102
9103 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
9104
9105 PR target/38811
9106 * Makefile.in (ira-lives.o): Add except.h.
9107
9108 * ira-lives.c: Include except.h.
9109 (process_bb_node_lives): Process can_throw_internal.
9110
9111 2009-01-13 Jakub Jelinek <jakub@redhat.com>
9112
9113 PR rtl-optimization/38774
9114 * combine.c (simplify_set): When undoing cc_use change, don't do
9115 PUT_CODE on the newly created comparison, but instead put back the
9116 old comparison.
9117
9118 2009-01-13 Joseph Myers <joseph@codesourcery.com>
9119
9120 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
9121 values. Remove duplicate arm8 entry.
9122
9123 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
9124
9125 PR tree-optimization/38786
9126 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
9127 the SSA_NAME case of expand_scalar_variables_expr.
9128 Set the type of an expression to the type of its assign statement.
9129 (expand_scalar_variables_expr): Also gather the scalar computation
9130 used to index the memory access. Do not pass loop_p.
9131 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
9132 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
9133 the gimple_stmt_iterator where it inserts new code.
9134 Do not pass loop_p.
9135 (copy_bb_and_scalar_dependences): Do not pass loop_p.
9136 (translate_clast): Update call to copy_bb_and_scalar_dependences.
9137
9138 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
9139
9140 * graphite.h (debug_value): Removed.
9141 * graphite.c (debug_value): Removed.
9142
9143 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
9144
9145 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
9146 ldrd/strd with two 32-bit instructions.
9147
9148 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
9149
9150 * config/arm/arm.c (struct processors): Pass for speed down into
9151 cost helper functions.
9152 (const_ok_for_op): Handle COMPARE and inequality nodes.
9153 (arm_rtx_costs_1): Rewrite.
9154 (arm_size_rtx_costs): Update prototype.
9155 (arm_rtx_costs): Pass speed down to helper functions.
9156 (arm_slowmul_rtx_costs): Rework cost calculations.
9157 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
9158 (arm_9e_rtx_costs): Likewise.
9159
9160 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
9161
9162 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
9163 relocations of local symbols wider than UNITS_PER_WORD are not valid.
9164 (alpha_legitimize_address): Do not split local symbols wider than
9165 UNITS_PER_WORD into HIGH/LO_SUM parts.
9166
9167 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
9168
9169 PR bootstrap/38580
9170 * gcc.c (process_command): Replace call to execvp with calls
9171 to pex_one and exit.
9172
9173 2009-01-03 Anatoly Sokolov <aesok@post.ru>
9174
9175 PR target/29141
9176 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
9177 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
9178 variant for devices with 3-byte PC.
9179 (__tablejump_elpm__): New.
9180
9181 2009-01-12 Jakub Jelinek <jakub@redhat.com>
9182
9183 PR c/32041
9184 * c-parser.c (c_parser_postfix_expression): Allow `->' in
9185 offsetof member-designator, handle it as `[0].'.
9186
9187 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9188
9189 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
9190 function when not using named sections on targets with named sections
9191 if branch distance is less than 262132.
9192
9193 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
9194
9195 * combine.c (combine_instructions): Recompute
9196 optimize_this_for_speed_p for each BB in the main combine loop.
9197
9198 2009-01-12 Tomas Bily <tbily@suse.cz>
9199
9200 PR middlend/38385
9201 * tree-loop-distribution.c (prop_phis): New function.
9202 (generate_builtin): Call prop_phis.
9203 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
9204
9205 2009-01-12 Jakub Jelinek <jakub@redhat.com>
9206
9207 PR tree-optimization/38807
9208 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
9209 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
9210
9211 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
9212
9213 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
9214 subreg of op0 to the original op0.
9215
9216 2009-01-11 Laurent GUERBY <laurent@guerby.net>
9217
9218 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
9219
9220 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
9221
9222 PR debug/7055
9223 * mips-tfile.c (parse_def): Fix parsing of def strings
9224 starting with digits.
9225
9226 2009-01-10 Jakub Jelinek <jakub@redhat.com>
9227
9228 PR target/38695
9229 * config/arm/arm.c (arm_is_long_call_p): Don't call
9230 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
9231
9232 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
9233
9234 * regrename.c (regrename_optimize): Fix dumping.
9235 (find_oldest_value_reg): Preserve REG_POINTER.
9236 (copy_hardreg_forward_1): Likewise.
9237
9238 2009-01-09 Diego Novillo <dnovillo@google.com>
9239
9240 * gimple.h (struct gimple_statement_base) <uid>: Document
9241 the restrictions on its use.
9242 (gimple_uid): Tidy.
9243 (gimple_set_uid): Tidy.
9244
9245 2009-01-09 Jakub Jelinek <jakub@redhat.com>
9246
9247 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
9248 zero guard even if align_bytes != 0 and count is smaller than
9249 size_needed.
9250
9251 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
9252
9253 PR rtl-optimization/38495
9254 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
9255 (add_range_and_copies_from_move_list): Print all added ranges.
9256 Add ranges to memory optimized destination.
9257
9258 2009-01-09 Jakub Jelinek <jakub@redhat.com>
9259
9260 PR target/38686
9261 PR target/38708
9262 * config/i386/i386.c (override_options): Reject
9263 -mstringop-strategy=rep_8byte with -m32.
9264 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
9265 to 1. Do count comparison against epilogue_size_needed at compile
9266 time even when count_exp was constant forced into register. For
9267 size_needed don't jump to epilogue, instead just avoid aligning
9268 and invoke the body algorithm. If need_zero_guard, add zero guard
9269 even if count is non-zero, but smaller than size_needed + number of
9270 bytes that could be stored for alignment.
9271 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
9272 to 1. If need_zero_guard, add zero guard even if count is non-zero,
9273 but smaller than size_needed + number of bytes that could be stored
9274 for alignment. Compare size_needed with epilogue_size_needed instead
9275 of desired_align - align, don't adjust size_needed, pass
9276 epilogue_size_needed to the epilogue expanders.
9277
9278 PR c/35742
9279 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
9280
9281 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9282
9283 * pa.c (last_address): Change to unsigned.
9284 (update_total_code_bytes): Change argument to unsigned. Don't
9285 check if insn addresses are set.
9286 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
9287 addresses are not set.
9288 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
9289
9290 2009-01-09 Nick Clifton <nickc@redhat.com>
9291
9292 * config/sh/symbian.c: Replace uses of DECL_INLINE with
9293 DECL_DECLARED_INLINE_P.
9294
9295 2009-01-09 Jakub Jelinek <jakub@redhat.com>
9296
9297 PR middle-end/38347
9298 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
9299 GET_MODE (op0) in operand_subword_force calls.
9300
9301 PR middle-end/38771
9302 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
9303 fold_convert arg0 operands to TREE_TYPE (op0) first.
9304
9305 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
9306
9307 * params.def (ira-max-conflict-table-size): Decrease default value
9308 to 1000.
9309
9310 2009-01-08 Jakub Jelinek <jakub@redhat.com>
9311
9312 PR tree-optimization/37031
9313 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
9314 on parameter_set.
9315 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
9316 allocate it using gc instead of heap, use VEC_quick_push instead of
9317 VEC_safe_push.
9318 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
9319 instead of heap, use VEC_quick_push instead of VEC_safe_push.
9320 * tree-data-ref.h (struct access_matrix): Change matrix to gc
9321 allocated vector from heap allocated.
9322 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
9323 * tree-loop-linear.c (linear_transform_loops): Allocate nest
9324 vector only after perfect_loop_nest_depth call.
9325
9326 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
9327 Jan Sjodin <jan.sjodin@amd.com>
9328
9329 PR tree-optimization/38559
9330 * graphite.c (debug_value, copy_constraint,
9331 swap_constraint_variables, scale_constraint_variable, ): New.
9332 (get_lower_bound, get_upper_bound): Removed.
9333 (graphite_trans_bb_strip_mine): Clean up this code that works
9334 only for constant number of iterations. Fully copy upper and
9335 lower bound constraints, not only the constant part of them.
9336 * graphite.h (debug_value): Declared.
9337
9338 2009-01-08 Ira Rosen <irar@il.ibm.com>
9339
9340 PR tree-optimization/37194
9341 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
9342 Don't add the cost of cost model guard in prologue to scalar
9343 outside cost in case of known number of iterations.
9344
9345 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
9346 Alan Modra <amodra@bigpond.net.au>
9347
9348 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
9349 non-word-aligned REG+CONST addressing.
9350
9351 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
9352
9353 PR target/38706
9354 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
9355 free_after_compilation when outputting a thunk.
9356 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
9357 Do not call free_after_compilation here.
9358
9359 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
9360
9361 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
9362 (ix86_valid_target_attribute_inner_p): Ditto.
9363
9364 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
9365
9366 PR tree-optimization/38492
9367 PR tree-optimization/38498
9368 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
9369 * tree-chrec.h (scev_is_linear_expression): Declared.
9370 * graphite.c (graphite_cannot_represent_loop_niter): New.
9371 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
9372 (graphite_loop_normal_form): Use gcc_assert.
9373 (scan_tree_for_params): Use CASE_CONVERT.
9374 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
9375 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
9376 Use gcc_assert. Discard scops that contain unhandled cases.
9377 (build_scop_conditions): Return a boolean status for unhandled cases.
9378 (strip_mine_profitable_p): Print the loop number, not its depth.
9379 (is_interchange_valid): Pass the depth of the loop nest, don't
9380 recompute it wrongly.
9381 (graphite_trans_bb_block): Same.
9382 (graphite_trans_bb_block): Print tentative of loop blocking.
9383 (graphite_trans_scop_block): Do not print that the loop has been
9384 blocked.
9385 (graphite_transform_loops): Do not handle scops that contain condition
9386 scalar phi nodes.
9387
9388 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
9389
9390 AVX Programming Reference (December, 2008)
9391 * config/i386/avxintrin.h (_mm256_stream_si256): New.
9392 (_mm256_stream_pd): Likewise.
9393 (_mm256_stream_ps): Likewise.
9394
9395 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
9396 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
9397 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
9398 (bdesc_special_args): Add __builtin_ia32_movntdq256,
9399 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
9400 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
9401 (ix86_expand_special_args_builtin): Likewise.
9402
9403 * config/i386/sse.md (AVXMODEDI): New.
9404 (avx_movnt<mode>): Likewise.
9405 (avx_movnt<mode>): Likewise.
9406 (<sse>_movnt<mode>): Remove AVX support.
9407 (sse2_movntv2di): Likewise.
9408
9409 2009-01-07 Richard Guenther <rguenther@suse.de>
9410
9411 PR middle-end/38751
9412 * fold-const.c (extract_muldiv): Remove obsolete comment.
9413 (fold_plusminus_mult_expr): Undo MINUS_EXPR
9414 to PLUS_EXPR canonicalization for the canonicalization.
9415
9416 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
9417
9418 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
9419 hosted cross-compilers generating less efficient code.
9420
9421 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
9422
9423 * function.h (rtl_data): Add a dbr_scheduled_p field.
9424 * reorg.c (dbr_schedule): Set it.
9425 (gate_handle_delay_slots): Check it.
9426 * config/mips/mips.c (mips_base_delayed_branch): Delete.
9427 (mips_reorg): Check flag_delayed_branch instead of
9428 mips_base_delayed_branch.
9429 (mips_override_options): Don't set mips_base_delayed_branch
9430 or flag_delayed_branch.
9431
9432 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
9433
9434 PR rtl-optimization/38426.
9435 * ira.c (ira): Set current_function_is_leaf earlier.
9436
9437 2009-01-06 Jakub Jelinek <jakub@redhat.com>
9438
9439 PR rtl-optimization/38722
9440 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
9441 too early, only set a flag and modify after last possible
9442 undo_all point.
9443
9444 2009-01-06 Janis Johnson <janis187@us.ibm.com>
9445
9446 PR c/34252
9447 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
9448 * real.c (decimal_single_format): Correct values of emin and emax.
9449 (decimal_double_format): Ditto.
9450 (decimal_quad_format): Ditto.
9451 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
9452 computation of DECnn_MIN and DECnn_MAX for corrected values of
9453 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
9454 __DECnn_MIN__, and adjust its computation for the corrected value
9455 of emin.
9456
9457 2009-01-06 Jan Hubicka <jh@suse.cz>
9458
9459 PR target/38744
9460 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
9461
9462 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
9463
9464 * doc/contrib.texi (Contributors): Slightly adjust the end note.
9465 Add Robert Clark to the list of testers.
9466
9467 2009-01-06 Jan Hubicka <jh@suse.cz>
9468 Kai Tietz <kai.tietz@onevision.com>
9469
9470 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
9471 * config/i386/i386.c (ix86_expand_call): Add clobbers.
9472
9473 2009-01-06 Jan Hubicka <jh@suse.cz>
9474 Kai Tietz <kai.tietz@onevision.com>
9475
9476 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
9477 for w64 ABI.
9478 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
9479 (ix86_nsaved_regs): Count only general purpose regs.
9480 (ix86_nsaved_sseregs): New.
9481 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
9482 to 16 for w64; compute padding and size of sse reg save area.
9483 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
9484 general purpose regs.
9485 (ix86_emit_save_sse_regs_using_mov): New.
9486 (ix86_expand_prologue): Save SSE regs if needed.
9487 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
9488 (ix86_emit_restore_sse_regs_using_mov): New.
9489 (ix86_expand_epilogue): Save SSE regs if needed.
9490
9491 2009-01-06 Jan Hubicka <jh@suse.cz>
9492 Kai Tietz <kai.tietz@onevision.com>
9493
9494 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
9495 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
9496 functions when accumulate outgoing args is off.
9497
9498 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
9499
9500 PR bootstrap/38742
9501 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
9502 before using pseudos_have_intersected_live_ranges_p.
9503
9504 * ira-int.h (ira_assert): Always define.
9505
9506 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
9507
9508 AVX Programming Reference (December, 2008)
9509 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
9510 (_mm256_permute2_pd): Likewise.
9511 (_mm_permute2_ps): Likewise.
9512 (_mm256_permute2_ps): Likewise.
9513 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
9514 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
9515
9516 * config/i386/i386.c (ix86_builtins): Remove
9517 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
9518 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
9519 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
9520 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
9521 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
9522 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
9523 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
9524 __builtin_ia32_vpermil2ps256.
9525 (ix86_init_mmx_sse_builtins): Updated.
9526 (ix86_expand_args_builtin): Likewise.
9527
9528 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9529
9530 * pa.c (output_call): Relocate non-jump insns in the delay slot of
9531 long absolute calls when generating PA 2.0 code.
9532
9533 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
9534
9535 PR rtl-optimization/38583
9536 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
9537
9538 * params.def (ira-max-conflict-table-size): New.
9539
9540 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
9541
9542 * ira.h (ira_conflicts_p): New external definition.
9543
9544 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
9545 table. Report this. Return result of building.
9546 (ira_build_conflicts): Use ira_conflicts_p. Check result of
9547 building conflict table.
9548
9549 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
9550 (ira_color): Use ira_conflicts_p.
9551
9552 * global.c: Include ira.h.
9553 (pseudo_for_reload_consideration_p, build_insn_chain): Use
9554 ira_conflicts_p.
9555
9556 * Makefile.in (global.o): Add ira.h.
9557
9558 * ira-build.c (mark_all_loops_for_removal,
9559 propagate_some_info_from_allocno): New.
9560 (remove_unnecessary_allocnos): Call
9561 propagate_some_info_from_allocno.
9562 (remove_low_level_allocnos): New.
9563 (remove_unnecessary_regions): Add parameter. Call
9564 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
9565 parameter to remove_unnecessary_regions.
9566 (ira_build): Remove all regions but root if the conflict table was
9567 not built. Update conflict hard regs for allocnos crossing calls.
9568
9569 * ira.c (ira_conflicts_p): New global.
9570 (ira): Define and use ira_conflicts_p.
9571
9572 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
9573 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
9574 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
9575
9576 2009-01-06 Ben Elliston <bje@au.ibm.com>
9577
9578 * gengtype-lex.l (YY_NO_INPUT): Define.
9579
9580 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
9581
9582 PR c/34911
9583 * c-common.c (handle_vector_size_attribute): Also reject
9584 BOOLEAN_TYPE types.
9585
9586 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
9587
9588 PR tree-optimization/38492
9589 * graphite.c (rename_map_elt, debug_rename_elt,
9590 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
9591 rename_map_elt_info, eq_rename_map_elts,
9592 get_new_name_from_old_name, bb_in_sese_p): Moved around.
9593 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
9594 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
9595 (sese_build_livein_liveouts): New.
9596 (new_sese, free_sese): New.
9597 (new_scop): Call new_sese.
9598 (free_scop): Call free_sese.
9599 (rename_variables_from_edge, rename_phis_end_scop): Removed.
9600 (register_old_new_names): Renamed register_old_and_new_names.
9601 (register_scop_liveout_renames, add_loop_exit_phis,
9602 insert_loop_close_phis, struct igp,
9603 default_liveout_before_guard, add_guard_exit_phis,
9604 insert_guard_phis, copy_renames): New.
9605 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
9606 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
9607 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
9608 (scop_adjust_phis_for_liveouts): New.
9609 (gloog): Call scop_adjust_phis_for_liveouts.
9610
9611 * graphite.h (struct sese): Documented. Added fields liveout,
9612 num_ver and livein.
9613 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
9614 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
9615 (struct scop): Added field liveout_renames.
9616 (SCOP_LIVEOUT_RENAMES): New.
9617
9618 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
9619
9620 PR tree-optimization/38510
9621 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
9622 (translate_clast): Call recompute_all_dominators before
9623 graphite_verify.
9624 (gloog): Call recompute_all_dominators before graphite_verify.
9625
9626 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
9627 Jan Sjodin <jan.sjodin@amd.com>
9628
9629 PR tree-optimization/38500
9630 * graphite.c (create_sese_edges): Call fix_loop_structure after
9631 splitting blocks.
9632
9633 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
9634
9635 * config.gcc: Add m32r*-*-rtems*.
9636 * config/m32r/rtems.h: New file.
9637
9638 2009-01-05 Ben Elliston <bje@au.ibm.com>
9639
9640 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
9641 (.po.pox): Likewise.
9642 (po/gcc.pot): Likewise.
9643
9644 2009-01-04 David S. Miller <davem@davemloft.net>
9645
9646 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
9647 (STARTING_FRAME_OFFSET): Always set to zero.
9648
9649 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
9650
9651 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
9652 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
9653 fixed-point types, and vectors of the same.
9654
9655 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
9656
9657 * config/mips/sync.md (*mb_barrier): Rename to...
9658 (*memory_barrier): ...this.
9659
9660 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
9661
9662 * doc/extend.texi (Function Attributes): Move @cindex after @item
9663 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
9664 and put in alphabetical order. Fix 'target' name and put in order.
9665 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
9666 typos.
9667
9668 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
9669
9670 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
9671 (memory_barrier): Expand as unspec instead of unspec_volatile.
9672 Remove mem:BLK from insn operands. Use Pmode scratch register.
9673 (*memory_barrier): Define as unspec instead of unspec_volatile.
9674 Use (match_dup 0) as input operand.
9675
9676 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
9677 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
9678 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
9679 scratch register. Remove operand 1.
9680 (*stbar): Define as unspec instead of unspec_volatile.
9681 Use (match_dup 0) as input operand, remove (const_int 8).
9682 (*membar): Define as unspec instead of unspec_volatile.
9683 Use (match_dup 0) as input operand, remove input operand 2.
9684
9685 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
9686 (memory_barrier): Expand as unspec instead of unspec_volatile.
9687 Remove mem:BLK from insn operands. Use Pmode scratch register.
9688 (*memory_barrier): Define as unspec instead of unspec_volatile.
9689 Use (match_dup 0) as input operand.
9690
9691 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
9692 Remove mem:BLK from insn operands. Use Pmode scratch register.
9693 Set volatile flag on operand 0.
9694 (*memory_barrier): New insn pattern.
9695
9696 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
9697 insn operands.
9698 (*memory_barrier): Use (match_dup 0) as input operand.
9699
9700 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
9701 Remove mem:BLK from insn operands. Use Pmode scratch register.
9702 Set volatile flag on operand 0.
9703 (*mb_internal): New insn pattern.
9704
9705 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
9706
9707 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
9708
9709 PR middle-end/38586
9710 * function.c (struct temp_slot): Move to the section of the file
9711 that deals with temp slots. Remove field 'address'.
9712 (temp_slot_address_table): New hash table of address -> temp slot.
9713 (struct temp_slot_address_entry): New struct, items for the table.
9714 (temp_slot_address_compute_hash, temp_slot_address_hash,
9715 temp_slot_address_eq, insert_temp_slot_address): Support functions
9716 for the new table.
9717 (find_temp_slot_from_address): Rewrite to use the new hash table.
9718 (remove_unused_temp_slot_addresses): Remove addresses of temp
9719 slots that have been made available.
9720 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
9721 worker function for remove_unused_temp_slot_addresses.
9722 (assign_stack_temp_for_type): Don't clear the temp slot address list.
9723 Add the temp slot address to the address -> temp slot map.
9724 (update_temp_slot_address): Update via insert_temp_slot_address.
9725 (free_temp_slots): Call remove_unused_temp_slot_addresses.
9726 (pop_temp_slots): Likewise.
9727 (init_temp_slots): Allocate the address -> temp slot map, or empty
9728 the map if it is already allocated.
9729 (prepare_function_start): Initialize temp slot processing.
9730
9731 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
9732
9733 PR middle-end/38584
9734 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
9735 Calculate the size of all stack vars assuming no packing of stack
9736 vars will happen, replacing a quadratic algorithm with a linear one.
9737
9738 2009-01-03 Jakub Jelinek <jakub@redhat.com>
9739
9740 PR target/38707
9741 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
9742 can't be used.
9743
9744 2009-01-03 Diego Novillo <dnovillo@google.com>
9745
9746 * doc/contrib.texi: Update contributions.
9747
9748 2009-01-03 Jakub Jelinek <jakub@redhat.com>
9749
9750 PR c++/38705
9751 * builtins.c (fold_builtin_memory_op): Give up if either operand
9752 is volatile. Set srctype or desttype to non-qualified version
9753 of the other type.
9754
9755 PR c/38700
9756 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
9757 and FUNCTION_DECLs.
9758
9759 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
9760
9761 PR rtl-optimization/35805
9762 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
9763 problem if fast dce is able to remove any instructions.
9764 * dce.c (dce_process_block): Fix dump message.
9765
9766 2009-01-02 Mark Mitchell <mark@codesourcery.com>
9767
9768 PR 33649
9769 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
9770
9771 2009-01-02 Jakub Jelinek <jakub@redhat.com>
9772
9773 PR middle-end/38690
9774 * tree-flow.h (op_code_prio, op_prio): New prototypes.
9775 * tree-pretty-print.c (op_code_prio): New function.
9776 (op_prio): No longer static. Use op_code_prio.
9777 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
9778 Use op_prio and op_code_prio to determine if () should be
9779 printed around operand(s) or not.
9780
9781 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
9782 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
9783 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
9784 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
9785 pp_character instead of pp_string for single letter printing.
9786
9787 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
9788
9789 * doc/extend.texi: Fix '#pragma GCC option' typo.
9790
9791 2009-01-02 Richard Guenther <rguenther@suse.de>
9792
9793 * doc/install.texi (--enable-checking): Mention different
9794 default for stage1.
9795 (--enable-stage1-checking): Document.
9796
9797 2009-01-01 Andrew Pinski <pinskia@gmail.com>
9798
9799 PR middle-end/30142
9800 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
9801 case to be an error.
9802
9803 2009-01-02 Ben Elliston <bje@au.ibm.com>
9804
9805 * config/fp-bit.h (pack_d): Constify argument.
9806 * config/fp-bit.c (makenan): Constify return type. Remove casts.
9807 (isnan): Constify argument.
9808 (isinf): Likewise.
9809 (iszero): Likewise.
9810 (pack_d): Likewise.
9811 (_fpadd_parts): Constify return type.
9812 (_fpmul_parts): Likewise.
9813 (_fpdiv_parts): Likewise.
9814
9815 2009-01-01 Jakub Jelinek <jakub@redhat.com>
9816
9817 PR c/36489
9818 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
9819 warn about overwriting initializer with side-effects or
9820 -Woverride-init if !IMPLICIT.
9821 (output_init_element): Likewise. Pass IMPLICIT down to
9822 add_pending_init.
9823 (process_init_element): Add IMPLICIT argument. Pass it down
9824 to output_init_element.
9825 (push_init_element, pop_init_level, set_designator): Adjust
9826 process_init_element callers.
9827 (set_nonincremental_init, set_nonincremental_init_from_string):
9828 Adjust add_pending_init callers.
9829 (output_pending_init_elements): Adjust output_init_element callers.
9830 * c-tree.h (process_init_element): Adjust prototype.
9831 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
9832 process_init_element callers.
9833
9834 \f
9835 Copyright (C) 2009 Free Software Foundation, Inc.
9836
9837 Copying and distribution of this file, with or without modification,
9838 are permitted in any medium without royalty provided the copyright
9839 notice and this notice are preserved.