1 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
3 * config.gcc: Adjust order of makefile fragments for mingw targets.
5 2010-01-31 Richard Guenther <rguenther@suse.de>
8 * gimplify.c (gimplify_init_constructor): For volatile LHS
9 initialize a temporary.
11 2010-01-31 Matthias Klose <doko@ubuntu.com>
13 * configure.ac: Fix __stack_chk_fail check for cross builds configured
15 * configure: Regenerate.
17 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
19 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
20 the same alias set and their sizes different constantness.
21 (aliasing_component_refs_p): Revert 2009-10-24 change.
23 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
25 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
28 2010-01-29 Richard Guenther <rguenther@suse.de>
30 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
31 Assert we successfully updated the call.
33 2010-01-29 Jakub Jelinek <jakub@redhat.com>
35 PR rtl-optimization/42889
36 * df.h (df_set_bb_dirty_nonlr): New prototype.
37 * df-core.c (df_set_bb_dirty_nonlr): New function.
38 * df-scan.c (df_insn_rescan): Call it instead of
39 df_set_bb_dirty for DEBUG_INSNs.
41 2010-01-29 Richard Guenther <rguenther@suse.de>
44 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
45 quadratic behavior in most cases.
47 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
50 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
51 in the call to gen_x86_movsicc_0_m1.
53 2010-01-28 Richard Guenther <rguenther@suse.de>
55 PR tree-optimization/42871
56 * tree-ssa-pre.c (phi_translate_set): Make sure to retain
59 2010-01-28 Richard Guenther <rguenther@suse.de>
61 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
64 2010-01-28 Richard Guenther <rguenther@suse.de>
67 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
68 the forwarder if the destination is an EH landing pad.
70 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
72 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
73 block list passed to gimple_duplicate_sese_tail.
74 (parallelize_loops): Avoid parallelization when the function
76 Avoid parallelization when the preheader is IRREDUCIBLE.
77 Try to optimize when estimated_loop_iterations_int is unresolved.
78 Add the loop's location to the dump file.
79 * tree-cfg.c (add_phi_args_after_redirect): Remove.
80 (gimple_duplicate_sese_tail): Remove the check for the latch.
81 Redirect nexits to the exit block.
82 Remove handling of the incoming edges to the latch.
83 Redirect the backedge from the copied latch to the exit bb.
85 2010-01-28 Michael Matz <matz@suse.de>
88 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
89 Wrap force_reg into a sequence, emit it before user.
91 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
93 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
95 (arm_legacy_rev): Likewise.
96 (thumb_legacy_rev): Likewise.
98 2010-01-27 Jakub Jelinek <jakub@redhat.com>
100 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
101 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
102 on MEM's address failed, try avoid_constant_pool_reference and
103 recurse if it returned something different.
104 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
105 address, try avoid_constant_pool_reference and recurse if it
106 returned something different.
107 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
108 address and avoid_constant_pool_reference returned something
109 different, don't set have_address.
111 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
114 * var-tracking.c (val_store): Add modified argument, obey it.
116 (count_uses): Move down logging of main.
117 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
118 don't need resolution.
119 (emit_notes_in_bb): Likewise.
121 2010-01-27 Richard Guenther <rguenther@suse.de>
124 * tree-inline.c (remap_decl): Delay remapping of SSA name
125 default definitions until we need them.
127 2010-01-27 Jakub Jelinek <jakub@redhat.com>
129 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
130 (rs6000_delegitimize_address): New function.
132 * config/s390/s390.c (s390_delegitimize_address): Call
133 delegitimize_mem_from_attrs.
136 * tree-inline.c (cannot_copy_type_1): Removed.
137 (copy_forbidden): Don't forbid copying of functions containing
138 records/unions with variable length fields.
140 2010-01-27 Christian Bruel <christian.bruel@st.com>
144 * config/sh/sh.c (find_barrier): Increase length for non delayed
145 conditional branches.
147 2010-01-27 Matthias Klose <doko@ubuntu.com>
149 * configure.ac (gnu-unique-object): Fix ldd version check.
150 * configure: Regenerate.
152 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
154 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
156 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
157 Test for HAVE_GNU_AS value.
159 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
161 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
162 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
164 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
165 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
166 INT_LEAST64_TYPE): Define.
167 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
168 UINT_LEAST64_TYPE): Define.
169 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
170 INT_FAST64_TYPE): Define.
171 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
172 UINT_FAST64_TYPE): Define.
173 (INTMAX_TYPE, UINTMAX_TYPE): Define.
174 (INTPTR_TYPE, UINTPTR_TYPE): Define.
175 (SIG_ATOMIC_TYPE): Define.
177 2010-01-26 Richard Guenther <rguenther@suse.de>
179 * df-scan.c (df_scan_set_bb_info): Remove assert.
180 (df_insn_rescan_debug_internal): Merge asserts.
181 (df_install_ref): Likewise.
182 (df_mark_reg): Use bitmap_set_range.
183 (df_hard_reg_used_p): Remove assert.
184 (df_hard_reg_used_count): Likewise.
186 2010-01-26 Richard Guenther <rguenther@suse.de>
188 PR rtl-optimization/42685
189 * web.c (web_main): Ignore DEBUG_INSNs.
191 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
193 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
195 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
196 Fix types of fndecl and arglist parameters.
198 2010-01-26 Richard Guenther <rguenther@suse.de>
201 * tree-eh.c (unsplit_eh): Skip debug insns.
203 2010-01-26 Richard Guenther <rguenther@suse.de>
205 PR tree-optimization/42250
206 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
208 2010-01-26 Jakub Jelinek <jakub@redhat.com>
211 * omp-low.c (expand_omp_sections): Only use single_pred if
212 l2_bb is single_pred_p.
214 2010-01-25 Christian Bruel <christian.bruel@st.com>
217 * config/sh/sh.c (find_barrier): Increase length for non delayed
218 conditional branches.
219 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
221 2010-01-24 David S. Miller <davem@davemloft.net>
223 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
224 define if not using GAS.
225 * config/sparc/sparc.c (sparc_elf_asm_named_section):
226 Likewise. Delete SECTION_MERGE code, which is only applicable
229 2010-01-24 Mark Mitchell <mark@codesourcery.com>
232 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
233 mangling of va_list in system headers.
235 2010-01-23 Toon Moene <toon@moene.org>
237 * tree-predcom.c (combine_chains): Return NULL, not false.
239 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
241 * tree-loop-distribution.c (distribute_loop): Fix declaration and
242 initialization of variable res to agree with return type.
244 2010-01-22 Steve Ellcey <sje@cup.hp.com>
246 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
247 * tree-sra.c: Add include of expr.h.
249 2010-01-22 Jakub Jelinek <jakub@redhat.com>
251 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
252 insert the debug stmt on the single non-EH edge from the stmt.
254 2010-01-22 Richard Henderson <rth@redhat.com>
257 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
258 the RHS until after generate_subtree_copies has insertted its
259 code before the current statement.
261 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
263 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
265 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
267 2010-01-21 Martin Jambor <mjambor@suse.cz>
269 PR tree-optimization/42585
270 * tree-sra.c (struct access): New field grp_total_scalarization.
271 (dump_access): Dump the new field.
272 (should_scalarize_away_bitmap): New variable.
273 (cannot_scalarize_away_bitmap): Likewise.
274 (sra_initialize): Allocate new bitmaps.
275 (sra_deinitialize): Free new bitmaps.
276 (create_access_1): New function.
277 (create_access): Parts moved to create_access_1.
278 (type_consists_of_records_p): New function.
279 (completely_scalarize_record): Likewise.
280 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
281 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
282 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
284 (analyze_all_variable_accesses): Completely scalarize small eligible
287 2010-01-21 Martin Jambor <mjambor@suse.cz>
289 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
291 2010-01-21 Andrew Haley <aph@redhat.com>
293 * gcc.c (process_command): Move lang_specific_driver before
294 setting cc_libexec_prefix.
296 2010-01-21 Richard Guenther <rguenther@suse.de>
299 * fold-const.c (negate_expr_p): Pretend only negative
300 real constants are easily negatable.
302 2010-01-20 Janis Johnson <janis187@us.ibm.com>
303 Jason Merrill <jason@redhat.com>
305 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
306 (TYPE_TRANSPARENT_AGGR): this, for union and record.
307 * calls.c (initialize argument_information): Handle it.
308 * c-common.c (handle_transparent_union_attribute): Use new name.
309 * c-decl.c (finish_struct): Ditto.
310 * c-typeck.c (type_lists_compatible_p): Ditto.
311 (convert_for_assignment): Use new name and also handle record.
312 * function.c (aggregate_value_p): Handle it.
313 (pass_by_reference): Ditto.
314 (assign_parm_data_types): Ditto.
315 * print-tree.c (print_node): Ditto.
316 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
317 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
318 * tree.c (first_field): New fn.
320 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
323 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
324 even when linking statically, for now.
326 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
329 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
330 without a cselib val.
331 (count_uses): Accept MO_VAL_SET with no val on stores.
332 (add_stores): Likewise.
334 2010-01-20 Jakub Jelinek <jakub@redhat.com>
336 * var-tracking.c (check_value_val): Add a compile time assertion.
337 (dv_is_decl_p): Simplify.
338 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
339 gcc_assert if ENABLE_CHECKING.
341 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
344 * var-tracking.c: Include tree-flow.h.
345 (mem_dies_at_call): New.
346 (dataflow_set_preserve_mem_locs): Use it.
347 (dataflow_set_remove_mem_locs): Likewise.
348 (dump_var): Renamed from dump_variable. Adjust all callers.
349 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
350 * Makefile.in (var-tracking.o): Adjust deps.
352 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
354 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
356 2010-01-20 Richard Guenther <rguenther@suse.de>
358 PR tree-optimization/42717
359 * tree-ssa-dce.c (get_live_post_dom): Remove.
360 (forward_edge_to_pdom): Take an arbitrary edge to copy
361 degenerate PHI args from.
362 (remove_dead_stmt): Use the first post-dominator even if it
363 does not contain live statements as redirection destination.
365 2010-01-20 Richard Guenther <rguenther@suse.de>
367 * tree-inline.c (estimate_num_insns): Handle EH builtins.
369 2010-01-20 Jakub Jelinek <jakub@redhat.com>
371 * sel-sched.c (create_speculation_check): Remove set but not used
373 (try_transformation_cache): Remove set but not used variable ds.
374 (calculate_privileged_insns): Remove set but not used variables
375 cur_insn and min_spec_insn.
376 (find_best_expr): Remove set but not used variable avail_n.
377 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
379 * cgraphunit.c (assemble_thunk): Remove set but not used variable
381 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
382 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
385 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
388 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
389 cpu types. Add support for *-sse3 cpu types.
392 2010-01-20 Jakub Jelinek <jakub@redhat.com>
395 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
396 argument, call initializer_constant_valid_p_1 instead of
397 initializer_constant_valid_p, pass CACHE to it, return NULL
398 immediately if first call returns NULL.
399 (initializer_constant_valid_p_1): New function.
400 (initializer_constant_valid_p): Use it.
402 2010-01-20 Thomas Quinot <quinot@adacore.com>
404 * tree.def (PLACEHOLDER_EXPR): Fix comment.
406 2010-01-20 Jakub Jelinek <jakub@redhat.com>
408 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
409 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
410 (loc_list_from_tree): Don't handle unsigned division. Handle
411 signed modulo using DW_OP_{over,over,div,mul,minus}.
412 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
413 modulo instead of signed.
415 2010-01-20 DJ Delorie <dj@redhat.com>
417 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
419 (h8300_emit_stack_adjustment): Propogate it.
421 (h8300_expand_prologue): Likewise.
422 (h8300_expand_epilogue): Likewise.
424 2010-01-19 Michael Matz <matz@suse.de>
426 PR tree-optimization/41783
427 * tree-data-ref.c (toplevel): Include flags.h.
428 (dump_data_dependence_relation): Also dump the inputs if the
429 result will be unknown.
430 (split_constant_offset_1): Look through some conversions.
431 * tree-predcom.c (determine_roots_comp): Restart a new chain if
432 the offset from last element is too large.
433 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
434 (reassociate_to_the_same_stmt): Handle vector registers.
435 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
437 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
438 wide_prolog_niters argument, emit widening instructions.
439 (vect_do_peeling_for_alignment): Adjust caller, use widened
440 variant of the iteration cound.
441 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
443 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
446 * config/arm/neon-testgen.m (emit_automatics): New parameter
447 features. Adjust for Fixed_return_reg feature.
448 (test_intrinsic): Call emit_automatics with new feature.
449 * config/arm/neon.ml: Update copyright years.
450 (features): New Fixed_return_reg feature.
451 (ops): Update feature for Vget_low.
453 2010-01-19 Jakub Jelinek <jakub@redhat.com>
455 PR tree-optimization/42719
456 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
460 * fwprop.c (all_uses_available_at): Return false if def_set dest
461 is a REG that is used in def_insn.
463 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
465 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
467 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
470 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
472 * target.h (struct gcc_target) <secondary_reload>: Change type
473 of last argument to secondary_reload_info *.
475 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
478 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
479 memory references with unaligned offsets. Remove CQImode handling.
480 (unaligned_memory_operand): Return 1 for memory references with
481 unaligned offsets. Remove CQImode handling.
483 2010-01-18 Richard Guenther <rguenther@suse.de>
486 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
489 2010-01-18 Richard Guenther <rguenther@suse.de>
491 PR tree-optimization/42781
492 * tree-ssa-structalias.c (find_what_var_points_to): Skip
493 restrict processing only if the original variable was
496 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
498 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
499 find number of popped argument bytes.
501 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
502 Fix the text that describes the return value for invalid insns.
504 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
506 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
507 Clarify what 'cost of the -dependence' is. Fix quoting.
509 * toplev.c (default_get_pch_validity): Rename argument to "sz".
510 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
512 2010-01-17 Jakub Jelinek <jakub@redhat.com>
514 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
515 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
517 2010-01-17 Richard Guenther <rguenther@suse.de>
520 * function.c (split_complex_args): Take a VEC to modify.
521 (assign_parms_augmented_arg_list): Build a VEC instead of
522 a chain of PARM_DECLs.
523 (assign_parms_unsplit_complex): Take a VEC of arguments.
524 Do not fixup unmodified parms.
525 (assign_parms): Deal with the VEC.
526 (gimplify_parameters): Likewise.
528 2010-01-17 Richard Guenther <rguenther@suse.de>
530 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
531 node existence check.
532 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
533 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
534 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
535 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
536 (gimple_execute_on_growing_pred): Likewise.
538 2010-01-17 Richard Guenther <rguenther@suse.de>
540 PR tree-optimization/42773
541 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
542 (compute_antic_aux): Likewise.
543 (compute_partial_antic_aux): Likewise.
545 2010-01-17 Jie Zhang <jie.zhang@analog.com>
548 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
551 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
553 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
556 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
557 Fix markup for strict argument.
559 (TARGET_SCHED_REORDER2): Fix argument types.
561 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
562 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
564 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
565 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
567 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
570 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
571 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
572 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
573 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
574 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
576 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
578 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
580 (TARGET_ASM_RELOC_RW_MASK): Add return type.
581 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
583 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
585 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
588 (TARGET_ASM_NAMED_SECTION): Fix argument list.
590 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
591 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
593 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
595 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
597 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
598 referring to it. Fix language.
600 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
602 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
604 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
606 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
608 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
609 '@var{stream}. Remove stray 'and'.
611 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
613 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
615 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
617 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
618 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
620 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
621 Fix description of return value.
622 Rename argument "sz" to "len."
624 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
625 Clarify meaning of 'true' return value.
627 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
629 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
630 rep_mode versus mode_rep.
632 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
634 (TARGET_BUILTIN_DECL): Fix name.
636 (TARGET_COMMUTATIVE_P): Fix type of first argument.
638 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
640 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
642 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
644 (TARGET_RELAXED_ORDERING): Use @deftypevr.
646 (TARGET_GET_DRAP_RTX): Note that this is a hook.
649 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
650 Rename argument tm_fn to md_fn.
652 (TARGET_OPTION_PRINT): Fix argument list.
654 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
657 * config/i386/i386.c (ix86_fixup_binary_operands):
658 Revert FMA4 fixup of operands.
660 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
663 * Makefile.in (write_entries_to_file, install-plugin):
664 Use \012 instead of \n with tr.
666 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
668 * configure.ac (HAVE_AS_REF): New C macro.
669 * configure: Regenerate.
670 * config.in: Likewise.
671 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
673 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
676 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
678 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
680 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
682 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
684 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
686 (TARGET_IN_SMALL_DATA_P): Fix argument type.
688 (TARGET_BINDS_LOCAL_P): Fix argument type.
690 (TARGET_ASM_FILE_END): Use prototype.
692 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
694 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
696 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
698 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
700 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
701 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
703 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
704 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
706 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
707 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
708 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
709 (TARGET_ADDR_SPACE_CONVERT): Likewise.
711 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
713 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
715 (TARGET_INIT_BUILTINS): Use prototype.
717 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
718 Put 'const char *' in braces. Fix parameter types.
719 (TARGET_INVALID_CONVERSION): Fix parameter types.
720 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
721 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
723 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
726 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
728 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
730 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
732 * doc/tm.texi (TARGET_HELP): Fix return type.
734 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
735 in braces. Fix argument types.
737 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
739 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
741 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
743 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
744 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
746 (TARGET_MANGLE_TYPE): Fix argument types.
748 (TARGET_IRA_COVER_CLASSES): Use prototype.
750 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
752 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
754 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
756 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
758 (TARGET_CALLEE_COPIES): Fix argument types.
760 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
762 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
764 (TARGET_FUNCTION_VALUE): Fix argument types.
766 (TARGET_RETURN_IN_MSB): Fix argument type.
768 (TARGET_RETURN_IN_MEMORY): Fix argument types.
770 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
772 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
774 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
775 agree with return type.
777 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
779 2010-01-15 Jing Yu <jingyu@google.com>
781 PR rtl-optimization/42691
782 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
783 a pseudo to a constant and are merged, and adjust comments.
785 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
787 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
789 2010-01-15 Richard Guenther <rguenther@suse.de>
792 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
793 labels of computed or non-local gotos to the destination.
794 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
795 landing pad label is the first label.
797 2010-01-15 Richard Guenther <rguenther@suse.de>
799 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
801 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
804 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
805 to allow generation of the xssqrtdp instruction on power7.
806 (sqrtdf2_fpr): Ditto.
808 2010-01-14 Jakub Jelinek <jakub@redhat.com>
811 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
812 functions with noreturn attribute.
815 * varasm.c (declare_weak): Add weak attribute to decl if it
816 doesn't have one already.
817 (assemble_external): Only add decls to weak_decls if they also
820 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
822 * var-tracking.c (var_reg_delete): Don't delete the association
823 between REGs and values or one-part variables if the register
826 2010-01-14 Jakub Jelinek <jakub@redhat.com>
829 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
830 because its first operand is a non-localized variable.
832 2010-01-14 Martin Jambor <mjambor@suse.cz>
834 PR tree-optimization/42706
835 * tree-sra.c (encountered_recursive_call): New variable.
836 (encountered_unchangable_recursive_call): Likewise.
837 (sra_initialize): Initialize both new variables.
838 (callsite_has_enough_arguments_p): New function.
839 (scan_function): Call decl and flags check only for IPA-SRA, check
840 whether there is a recursive call and whether it has enough arguments.
841 (all_callers_have_enough_arguments_p): New function.
842 (convert_callers): Look for recursive calls only when
843 encountered_recursive_call is set.
844 (ipa_early_sra): Bail out either if
845 !all_callers_have_enough_arguments_p or
846 encountered_unchangable_recursive_call.
848 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
850 * sel-sched.c: Add 2010 to copyright years.
851 * sel-sched-ir.c: Likewise.
852 * sel-sched-ir.h: Likewise.
854 2010-01-14 Martin Jambor <mjambor@suse.cz>
856 PR tree-optimization/42714
857 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
858 constructors specially.
860 2010-01-14 Andi Kleen <ak@linux.intel.com>
862 * config/i386/drivers-i386.c (detect_caches_intel):
863 Add l2sizekb parameter and fill in.
864 (host_detect_local_cpu): Add l2sizekb, fill in.
865 Add Atom small cache heuristic.
867 2010-01-14 Andi Kleen <ak@linux.intel.com>
869 * config/i386/drivers-i386.c (detect_caches_cpuid4):
870 Add level3 parameter and fill in.
871 (detect_caches_intel): Handle level3 cache.
873 2010-01-14 Andi Kleen <ak@linux.intel.com>
875 * config/i386/drivers-i386.c (host_detect_local_cpu):
876 Fix core duo detection.
878 2010-01-14 Andi Kleen <ak@linux.intel.com>
880 * config/i386/drivers-i386.c (host_detect_local_cpu):
883 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
885 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
886 (rs6000_variable_issue_1): this. Use...
887 (rs6000_variable_issue): here. Reimplement. Print debug info.
889 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
891 * sel-sched-ir.c (sel_restore_other_notes): Rename to
892 sel_restore_notes. Update all callers. Call reemit_notes
895 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
897 PR rtl-optimization/42246
898 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
901 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
903 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
904 all successors is the same as number of successors in current region.
906 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
908 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
909 to rename is not separable. Otherwise check that its LHS is not NULL.
911 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
913 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
915 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
917 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
918 available registers when failed to discover LHS register class.
919 Fix indentation. Update comment.
921 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
922 Alexander Monakov <amonakov@ispras.ru>
924 PR rtl-optimization/42389
925 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
927 (advance_state_on_fence): Likewise.
928 (sel_target_adjust_priority): Print debug output only when
929 sched_verbose >= 4, not 2.
930 (get_expr_cost): Do not issue all unique insns on the next cycle.
931 (fill_insns): Initialize can_issue_more from the value saved
933 * sel-sched-ir.c (flist_add): New parameter issue_more.
934 Init FENCE_ISSUE_MORE with it.
935 (merge_fences): Likewise.
936 (init_fences): Update call to flist_add.
937 (add_to_fences, add_clean_fence_to_fences)
938 (add_dirty_fence_to_fences): Likewise.
939 (move_fence_to_fences): Update call to merge_fences.
940 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
942 * sel-sched-ir.h (struct _fence): New field issue_more.
943 (FENCE_ISSUE_MORE): New accessor macro.
945 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
947 PR rtl-optimization/42388
948 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
949 that have no predecessors nor successors. Do not call move_bb_info
950 for empty blocks outside of current region.
952 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
954 PR rtl-optimization/42294
955 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
956 * sel-sched.c (move_exprs_to_boundary): Transitively add all
957 originators' originators.
959 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
961 PR rtl-optimization/39453
962 PR rtl-optimization/42246
963 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
965 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
967 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
968 Alexander Monakov <amonakov@ispras.ru>
971 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
972 (maybe_tidy_empty_bb): ... here. Make static. Add new
973 argument. Update all callers.
974 (tidy_control_flow): ... and here. Recompute topological order
975 of basic blocks in region if necessary.
976 (sel_redirect_edge_and_branch): Change return type. Return true
977 if topological order might have been invalidated.
978 (purge_empty_blocks): Export and move from...
979 * sel-sched.c (purge_empty_blocks): ... here.
980 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
981 (maybe_tidy_empty_bb): Delete prototype.
982 (purge_empty_blocks): Declare.
984 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
986 PR rtl-optimization/42249
987 * sel-sched.c (try_replace_dest_reg): When chosen register
988 and original register is the same, do not bail out early, but
989 still check all original insns for validity of replacing destination
990 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
993 2010-01-14 Jakub Jelinek <jakub@redhat.com>
996 Port from no-undefined-overflow branch:
997 2009-03-09 Richard Guenther <rguenther@suse.de>
999 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
1001 2010-01-14 Richard Guenther <rguenther@suse.de>
1004 * gimple.c (iterative_hash_gimple_type): Avoid hashing
1007 2010-01-14 Ira Rosen <irar@il.ibm.com>
1009 PR tree-optimization/42709
1010 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
1011 as scalar type in creation of constant vector operand.
1013 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1016 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
1017 (check-parallel-%): Match `testsuite' directory component only
1020 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
1022 PR translation/39521
1023 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
1026 2010-01-13 Richard Guenther <rguenther@suse.de>
1028 PR tree-optimization/42730
1029 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
1032 2010-01-13 Steve Ellcey <sje@cup.hp.com>
1035 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
1036 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
1039 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
1041 * config/bfin/libgcc-bfin.ver: Regenerate based on current
1042 libgcc-std.ver. Add entries for ___smulsi3_highpart and
1043 ___umulsi3_highpart.
1045 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
1046 rather than schedule_insns if the pass is enabled.
1048 2010-01-13 Martin Jambor <mjambor@suse.cz>
1050 PR tree-optimization/42704
1051 * tree-sra.c (sra_modify_assign): Do not delete assignments to
1054 2010-01-13 Martin Jambor <mjambor@suse.cz>
1056 PR tree-optimization/42703
1057 * tree-sra.c (analyze_access_subtree): Check that we can build a
1058 reference to the original data within the aggregate.
1060 2010-01-13 Richard Guenther <rguenther@suse.de>
1062 PR tree-optimization/42705
1063 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after
1066 2010-01-13 Richard Guenther <rguenther@suse.de>
1069 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
1071 2010-01-13 Jakub Jelinek <jakub@redhat.com>
1074 * var-tracking.c (values_to_unmark): New variable.
1075 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
1076 values_to_unmark vector. Moved body to...
1077 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
1078 instead queue it into values_to_unmark vector.
1079 (vt_find_locations): Free values_to_unmark vector.
1081 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
1083 * config/s390/s390.c (override_options): Set
1084 default of max-pending-list-length to 256
1086 2010-01-13 Richard Guenther <rguenther@suse.de>
1089 * tree-pass.h (PROP_gimple_lcx): New.
1090 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
1091 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
1092 before the final cleanup_eh.
1093 (dump_properties): Dump PROP_gimple_lcx.
1094 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
1095 (tree_lower_complex_O0): Remove.
1096 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
1097 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
1098 tree_lower_complex, schedule TODO_update_ssa.
1099 * lto-streamer-out.c (output_function): Stream the functions
1101 * lto-streamer-in.c (input_function): Likewise.
1102 (lto_read_body): Do not override them here.
1104 2010-01-12 Joseph Myers <joseph@codesourcery.com>
1107 * c-typeck.c (build_c_cast): Fold value cast to union type before
1108 wrapping it in a CONSTRUCTOR.
1110 2010-01-12 Jakub Jelinek <jakub@redhat.com>
1112 PR rtl-optimization/42699
1113 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
1116 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1118 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
1119 SUBTARGET_WARN_UNUSED_SPEC): Move ...
1120 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
1121 SUBTARGET_WARN_UNUSED_SPEC): ... here
1122 * config/mips/iris5.h (LIBGCC_SPEC): Define.
1124 2010-01-12 Julian Brown <julian@codesourcery.com>
1126 * config/arm/neon-schedgen.ml (Utils): Don't try to
1127 open missing module.
1128 (find_with_result): New.
1130 2010-01-12 Jakub Jelinek <jakub@redhat.com>
1133 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
1134 sharing when canonicalizing ({lt,ge}u (plus a b) b).
1136 PR tree-optimization/42645
1137 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
1138 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
1139 decl_map, set processing_debug_stmt to -1 and return name without
1142 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
1144 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
1145 binutils version, and reword target configuration description.
1147 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
1149 * config/avr/avr.h (LINKER_NAME): Remove.
1151 2010-01-11 Janis Johnson <janis187@us.ibm.com>
1154 * config/rs6000/rs6000.c (rs6000_override_options): On targets
1155 that support VSX, warn for -mno-altivec if vsx is not disabled,
1158 2010-01-11 Joseph Myers <joseph@codesourcery.com>
1159 Shujing Zhao <pearly.zhao@oracle.com>
1161 PR translation/42469
1162 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
1163 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
1164 character between option name and help text.
1165 * c.opt (imultilib): Likewise.
1167 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
1169 * lto-streamer-out.c (output_unreferenced_globals): Output static
1172 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
1174 PR rtl-optimization/42621
1175 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
1176 optimizing for size.
1177 (duplicate_computed_gotos): Remove now-redundant check.
1179 2010-01-10 Steve Ellcey <sje@cup.hp.com>
1182 * configure.ac: Save and restore LDFLAGS and LIBS
1183 * configure: Regenerate.
1185 2010-01-10 Richard Guenther <rguenther@suse.de>
1188 * builtins.c (fold_builtin_strlen): Add type argument and
1189 convert the resulting length to it.
1190 (fold_builtin_1): Adjust.
1192 2010-01-09 Jakub Jelinek <jakub@redhat.com>
1194 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
1195 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
1197 (num_insns_constant_wide): Adjust for that change.
1199 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1202 * web.c (union_defs): Add used argument, to combine uses of
1204 (entry_register): Adjust type and tests of used argument.
1205 (web_main): Widen used for new use. Pass it to union_defs.
1206 * df.h (union_defs): Adjust prototype.
1208 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1211 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
1212 uses in new incoming argument. Free body.
1213 (reset_debug_uses_in_loop): New.
1214 (analyze_insn_to_expand_var): Call the latter if the former found
1215 anything. Fix whitespace. Reject invalid dest overlaps before
1216 going through all insns in the loop.
1218 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1221 * haifa-sched.c (dying_use_p): Debug insns don't count.
1223 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1226 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
1227 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
1228 (verify_gimple_call): Reject LHS in noreturn calls.
1230 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1234 * tree-vect-loop-manip.c (adjust_info): New type.
1235 (adjust_vec): New pointer to vector.
1236 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
1237 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
1238 (slpeel_update_phis_for_duplicate_loop): Use them.
1239 (slpeel_update_phi_nodes_for_guard1): Likewise.
1240 (slpeel_update_phi_nodes_for_guard2): Likewise.
1241 (slpeel_tree_peel_loop_to_edge): Likewise.
1242 (vect_update_ivs_after_vectorizer): Likewise.
1244 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1246 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
1247 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
1249 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
1251 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
1252 bogus uninitialized warning.
1254 2010-01-09 Richard Guenther <rguenther@suse.de>
1257 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
1258 the evolution is compatible with the initial condition.
1260 2010-01-09 Jakub Jelinek <jakub@redhat.com>
1262 * gcc.c (process_command): Update copyright notice dates.
1263 * gcov.c (print_version): Likewise.
1264 * gcov-dump.c (print_version): Likewise.
1265 * mips-tfile.c (main): Likewise.
1266 * mips-tdump.c (main): Likewise.
1268 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
1271 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
1273 (rotlhi3_8): Delete.
1275 (rotlsi3_8): Delete.
1276 (rotlsi3_16): Delete.
1277 (rotlsi3_24): Delete.
1279 (*rotw<mode>3): New.
1280 (*rotb<mode>3): New.
1281 * config/avr/avr.c (avr_rotate_bytes): New function.
1282 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
1284 2010-01-08 Steve Ellcey <sje@cup.hp.com>
1287 * configure.ac: Modify -rdynamic check.
1288 * configure: Regenerate.
1290 2010-01-08 DJ Delorie <dj@redhat.com>
1292 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
1293 register popping order.
1295 2010-01-08 Richard Guenther <rguenther@suse.de>
1298 * c.opt (fsigned-char): Also let LTO handle this option.
1299 (funsigned-char): Likewise.
1301 2010-01-07 Richard Guenther <rguenther@suse.de>
1303 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
1304 (gimple_op): Likewise.
1305 (gimple_op_ptr): Likewise.
1306 (gimple_assign_set_lhs): Remove gcc_assert.
1307 (gimple_assign_set_rhs1): Likewise.
1308 (gimple_assign_set_rhs2): Likewise.
1309 (gimple_call_set_lhs): Likewise.
1310 (gimple_call_set_fn): Likewise.
1311 (gimple_call_set_fndecl): Likewise.
1312 (gimple_call_fndecl): Likewise.
1313 (gimple_call_return_type): Likewise.
1314 (gimple_call_set_chain): Likewise.
1315 (gimple_call_num_args): Likewise.
1316 (gimple_call_set_arg): Likewise.
1317 (gimple_cond_set_code): Likewise.
1318 (gimple_cond_set_lhs): Likewise.
1319 (gimple_cond_set_rhs): Likewise.
1320 (gimple_cond_set_true_label): Likewise.
1321 (gimple_cond_set_false_label): Likewise.
1322 (gimple_label_set_label): Likewise.
1323 (gimple_goto_set_dest): Likewise.
1324 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
1325 (gimple_debug_bind_get_value): Likewise.
1326 (gimple_debug_bind_get_value_ptr): Likewise.
1327 (gimple_debug_bind_set_var): Likewise.
1328 (gimple_debug_bind_set_value): Likewise.
1329 (gimple_debug_bind_reset_value): Likewise.
1330 (gimple_debug_bind_has_value_p): Likewise.
1331 (gimple_return_retval_ptr): Remove gcc_assert.
1332 (gimple_return_retval): Likewise.
1333 (gimple_return_set_retval): Likewise.
1334 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
1335 (safe_referenced_var_iterator): Remove.
1336 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
1337 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
1338 (fill_referenced_var_vec): Remove.
1339 (first_readonly_imm_use): Remove redundant gcc_assert.
1340 (phi_arg_index_from_use): Combine gcc_asserts.
1341 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
1342 (first_imm_use_stmt): Remove redundant gcc_assert.
1343 * tree-cfg.c (verify_gimple_call): Verify function and chain
1344 operands. Verify arguments.
1345 (verify_types_in_gimple_stmt): Verify condition code and labels.
1347 2010-01-07 Richard Guenther <rguenther@suse.de>
1349 PR tree-optimization/42641
1350 * sese.c (rename_map_elt_info): Use the SSA name version, do
1353 2010-01-07 Jakub Jelinek <jakub@redhat.com>
1355 PR tree-optimization/42625
1356 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
1357 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body
1360 2010-01-07 Duncan Sands <baldrick@free.fr>
1362 * Makefile.in (PLUGIN_HEADERS): Add version.h.
1364 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
1367 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
1368 note itself is not function_invariant_p.
1370 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
1372 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
1373 Do not add the DF_NOTE problem.
1374 * store-motion.c (execute_rtl_store_motion): Likewise.
1376 2010-01-07 Martin Jambor <mjambor@suse.cz>
1378 PR tree-optimization/42157
1379 * tree-sra.c (compare_access_positions): Stabilize sort if both
1380 accesses have integer types, return zero immediately if they are the
1383 2010-01-06 Richard Henderson <rth@redhat.com>
1386 * haifa-sched.c (add_to_note_list): Merge into ...
1387 (concat_note_lists): ... here, and ...
1388 (unlink_other_notes, rm_other_notes): Merge into...
1389 (remove_notes): ... here. Create REG_SAVE_NOTEs for
1390 NOTE_INSN_EPILOGUE_BEG.
1392 2010-01-06 Richard Guenther <rguenther@suse.de>
1394 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
1395 not inline regular functions into always-inline functions.
1397 2010-01-06 Nick Clifton <nickc@redhat.com>
1399 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
1400 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
1402 (OVERRIDE_OPTIONS): Delete.
1403 (OPTIMIZATION_OPTIONS): Define.
1404 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
1405 * config/rx/rx.c (rx_handle_option): Issue an error message if
1406 -mcpu=rx200 and -fpu are used together.
1407 (rx_set_optimization_options): New function. Issue an error
1408 message if an optimization attribute attempts to reset the FPU/
1409 math optimization pairing.
1410 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
1411 * config/rx/rx.opt: Set the default to 32-bit doubles.
1412 * config/rx/t-rx: Add multilibs for -nofpu option.
1413 * doc/invoke.texi: Update documentation of RX options.
1415 2010-01-06 Richard Guenther <rguenther@suse.de>
1417 * tree-ssa-pre.c (name_to_id): New global.
1418 (alloc_expression_id): Simplify SSA name handling.
1419 (lookup_expression_id): Likewise.
1420 (init_pre): Zero name_to_id.
1421 (fini_pre): Free it.
1423 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
1425 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
1427 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
1430 * config/i386/sse.md (smaxv2di3): New.
1431 (umaxv2di3): Likewise.
1432 (sminv2di3): Likewise.
1433 (uminv2di3): Likewise.
1435 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
1438 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
1439 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
1440 (legitimize_tls_address): Likewise.
1441 (sparc_tls_referenced_p): Likewise.
1442 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
1443 and adjust calls to legitimize_pic_address.
1444 (legitimate_constant_p) Use sparc_tls_referenced_p.
1445 (legitimate_pic_operand_p): Likewise.
1446 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
1447 (sparc_tls_symbol_ref_1): Delete.
1448 (sparc_tls_referenced_p): Make static, recognize specific patterns.
1449 (legitimize_tls_address): Make static, handle CONST patterns.
1450 (legitimize_pic_address): Make static, remove unused parameter and
1451 adjust recursive calls.
1452 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
1453 and adjust call to legitimize_pic_address.
1454 (sparc_output_mi_thunk): Likewise.
1456 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
1457 H.J. Lu <hongjiu.lu@intel.com>
1460 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
1461 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
1462 operands to make them signed.
1465 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
1468 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
1469 GTU to GT for V4SI and V2DI.
1471 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
1472 (umin<mode>3): Removed.
1474 (uminv4si3): Likewise.
1476 2010-01-05 Martin Jambor <mjambor@suse.cz>
1478 PR tree-optimization/42462
1479 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
1480 current_function_decl to helper functions and macros.
1482 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1485 * flags.h: Don't include real.h.
1486 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
1487 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
1488 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
1489 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
1490 * dominance.c: Update copyright.
1491 * gimple.c (walk_gimple_op): Remove inline.
1492 * tree-ssa-reassoc.c: Include real.h.
1493 * Makefile.in (FLAGS_H): Remove $(REAL_H).
1494 (tree-ssa-reassoc.o): Depend on $(REAL_H).
1496 2010-01-05 Nick Clifton <nickc@redhat.com>
1498 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
1499 register to push into the stack frame when the accumulator has to
1500 be saved during interrupts.
1502 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
1504 * doc/invoke.texi: Remove the documentation about option
1506 * common.opt (Wunreachable-code): Preserved for backward
1508 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
1509 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
1510 the backward compatibility flag section.
1512 2010-01-05 Richard Guenther <rguenther@suse.de>
1514 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
1516 2010-01-05 Jakub Jelinek <jakub@redhat.com>
1519 * cfgexpand.c (expand_one_var): Diagnose too large variables.
1521 PR tree-optimization/42508
1522 * tree-sra.c (convert_callers): Check for recursive call
1523 by comparing cgraph nodes instead of decls.
1524 (modify_function): Call ipa_modify_formal_parameters also
1525 on all same_body aliases.
1527 * cgraphunit.c (cgraph_materialize_all_clones): Compare
1528 cgraph nodes when checking for same_body aliases.
1530 2010-01-05 Richard Guenther <rguenther@suse.de>
1532 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
1533 allocation and lookup.
1534 (get_or_alloc_expr_for_constant): Likewise.
1535 (phi_translate): Sink allocation.
1537 2010-01-04 Richard Guenther <rguenther@suse.de>
1539 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
1540 a new entry only if needed.
1541 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
1542 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
1544 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
1546 (phi_translate): Handle CONSTANTs early.
1548 2010-01-04 Martin Jambor <mjambor@suse.cz>
1550 PR tree-optimization/42398
1551 * tree-sra.c (struct access): Removed flag grp_different_types.
1552 (dump_access): Do not dump the removed flag.
1553 (sort_and_splice_var_accesses): Do not set the removed flag.
1554 (sra_modify_expr): Check for type compatibility directly.
1556 2010-01-04 Martin Jambor <mjambor@suse.cz>
1558 PR tree-optimization/42366
1559 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
1560 edges with variable number of parameters.
1561 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
1562 flag instead of asserting it.
1563 (ipa_read_node_info): Read uses_analysis_done flag.
1565 2010-01-04 Richard Guenther <rguenther@suse.de>
1567 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
1568 iterative_hash_* as intended.
1569 (vn_reference_compute_hash): Likewise. Simplify hashing
1571 (vn_reference_lookup_2): Likewise.
1572 (vn_nary_op_compute_hash): Likewise.
1573 (vn_phi_compute_hash): Likewise.
1574 (expressions_equal_p): Remove strange code.
1575 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
1576 (pre_expr_hash): Likewise. Simplify hashing SSA names.
1577 (bitmap_insert_into_set_1): Take value-id as parameter.
1578 (add_to_value): Pass it.
1579 (bitmap_insert_into_set): Likewise.
1580 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
1582 2010-01-04 Jakub Jelinek <jakub@redhat.com>
1585 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
1586 (do_self_spec): For switches with SWITCH_IGNORE set set also
1587 SWITCH_IGNORE_PERMANENTLY.
1588 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
1591 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
1593 * lto-streamer-out.c (output_unreferenced_globals): Output the full
1594 tree of an unreferenced global var.
1596 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
1599 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
1600 GTU to GT for V4SI and V2DI.
1602 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
1603 (umin<mode>3): Removed.
1605 (uminv4si3): Likewise.
1607 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
1610 * collect2.c (main): Turn on trace in collect2 if -v is passed
1613 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
1615 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
1616 description of expression operand.
1618 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
1620 * configure.ac: Add install-html to target_list for Make-hooks.
1621 * configure: Regenerate.
1622 * fortran/Make-lang.in (F95_HTMLFILES): New.
1623 (fortran.html): Use it.
1624 (fortran.install-html): New.
1625 * Makefile.in (install-html): Add lang.install-html.
1626 * java/Make-lang.in (JAVA_HTMLFILES): New.
1627 (java.html): Use it.
1628 (java.install-html): New.
1629 * objc/Make-lang.in (objc.install-html): New.
1630 * objcp/Make-lang.in (obj-c++.install-html): New.
1631 * cp/Make-lang.in (c++.install-html): New.
1632 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
1633 * lto/Make-lang.in (lto.install-html): New.
1635 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
1638 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
1640 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
1642 PR rtl-optimization/41862
1643 * store-motion.c (store_killed_in_insn, compute_store_table,
1644 remove_reachable_equiv_notes, replace_store_insn,
1645 build_store_vectors): Ignore all DEBUG_INSNs.
1647 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
1650 * common.opt: Add dumpdir.
1652 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
1654 (option_map): Add --dumpdir.
1656 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
1658 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
1660 * opts.c (decode_options): Try dump_dir_name first if
1661 dump_base_name isn't an absolute path.
1662 (common_handle_option): Handle OPT_dumpdir.
1664 * toplev.c (dump_dir_name): New.
1665 (print_switch_values): Also ignore -dumpdir.
1667 * toplev.h (dump_dir_name): New.
1669 2010-01-03 Richard Guenther <rguenther@suse.de>
1671 PR tree-optimization/42589
1672 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
1673 double-word expansion of bswap32.
1675 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
1677 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
1678 with BLOCK_FOR_INSN.
1679 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
1680 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
1681 noce_process_if_block): Likewise.
1682 * gcse.c (compute_local_properties, insert_expr_in_table,
1683 insert_set_in_table, canon_list_insert, find_avail_set,
1684 pre_insert_copy_insn): Likewise.
1686 * basic-block.h (BLOCK_NUM): Move from here...
1687 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
1689 2010-01-03 Richard Guenther <rguenther@suse.de>
1691 PR tree-optimization/42438
1692 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
1693 contains_may_not_return_call flag.
1694 (BB_MAY_NOTRETURN): New.
1695 (valid_in_sets): Trapping nary operations are not valid
1696 in blocks that may not return.
1697 (insert_into_preds_of_block): Remove check for trapping
1699 (compute_avail): Compute also BB_MAY_NOTRETURN.
1701 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
1703 * doc/invoke.texi: Add 2010 to copyright years.
1705 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
1707 * config/sparc/sparc.c: Fix formatting nits.
1709 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
1710 Alexander Monakov <amonakov@ispras.ru>
1712 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
1714 2010-01-02 Richard Guenther <rguenther@suse.de>
1717 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
1718 (simplify_switch_using_ranges): Mark to be removed edges
1721 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1723 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
1725 * collect2.c (scan_libraries): Add missing argument in call to
1728 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
1731 * config/alpha/predicates.md (aligned_memory_operand): Return false
1733 (unaligned_memory_operand): Return true for CQImode.
1734 * config/alpha/alpha.c (get_aligned_mem): Assert that location
1735 doesn not cross aligned SImode word boundary.
1737 2010-01-02 Anatoly Sokolov <aesok@post.ru>
1739 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
1741 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
1742 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
1744 2010-01-02 Richard Guenther <rguenther@suse.de>
1747 * toplev.c (compile_file): Emit LTO marker properly. Change
1749 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
1751 2010-01-01 Richard Guenther <rguenther@suse.de>
1754 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
1756 2010-01-01 Richard Guenther <rguenther@suse.de>
1759 * c-decl.c (grokdeclarator): For zero-size arrays force
1760 structural equality checks as layout_type does.
1762 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
1764 * builtins.c: Update copyright to 2010.
1766 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
1769 * lto-streamer-out.c (produce_asm): Revert the last change.
1770 (copy_function): Likewise.
1772 * lto-streamer.c (lto_get_section_name): Skip any leading
1775 2010-01-01 Richard Guenther <rguenther@suse.de>
1778 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
1782 Copyright (C) 2010 Free Software Foundation, Inc.
1784 Copying and distribution of this file, with or without modification,
1785 are permitted in any medium without royalty provided the copyright
1786 notice and this notice are preserved.