1 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4 relocation and relocation stubs.
6 2006-05-08 Eric Christopher <echristo@apple.com>
8 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
11 2006-05-08 Jan Hubicka <jh@suse.cz>
14 * cgraphunit.c (decide_is_function_needed): When not optimizing even
15 unused static functions are needed.
17 2006-05-08 Roger Sayle <roger@eyesopen.com>
20 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
21 of a reg_equiv_constant if the result is a legitimate constant.
23 2006-05-08 Uros Bizjak <uros@kss-loka.si>
26 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
27 standard 80387 constants, raise the cost to prevent
28 compress_float_constant() to generate load from memory.
30 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
32 * config/arm/constraints.md (c): Fix a typo.
34 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
37 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
40 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
42 (_mm_mwait): Likewise.
44 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
46 (sse3_monitor): Make it 32bit only.
47 (sse3_monitor64): New. 64bit monitor.
49 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
52 * config/i386/i386.c (classify_argument): Skip fields with invalid
55 2006-05-07 Richard Guenther <rguenther@suse.de>
57 PR tree-optimization/27409
58 * tree-ssa-structalias.c (get_constraint_for_component_ref):
59 Do not try to find zero-sized subvars.
61 2006-05-07 Richard Guenther <rguenther@suse.de>
63 PR tree-optimization/27136
64 * tree-ssa-loop-niter.c (get_val_for): Correct function
65 comment, assert requirements.
66 (loop_niter_by_eval): Stop processing if the iterated
67 value did not simplify.
69 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
71 * opts.c (flag_see): remove its setting at -O3.
73 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
75 * genpeep.c (main): Make insn-peep.c depend on flags.h.
76 * arm/constraints.md: New file.
77 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
78 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
79 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
80 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
81 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
82 (EXTRA_MEMORY_CONSTRAINT): Likewise.
83 * arm.md: Include constraints.md.
84 (thumb_movsi_insn): Use satisfies_constraint_J.
85 (movhi, movqi): Use satisfies_constraint_I.
87 2006-04-29 Anatoly Sokolov <aesok@post.ru>
89 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
90 for atmeg a645 device.
92 2006-05-06 Richard Guenther <rguenther@suse.de>
94 PR tree-optimization/27151
95 * tree-vect-transform.c (vectorizable_condition): Punt on
96 values that have a different type than the condition.
98 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
101 * c-parser.c (c_parser_cast_expression): Only insert casts into
102 hash table if pointer.
103 * function.c (used_types_insert_helper): Rename from
105 (used_types_insert): Call used_types_insert_helper.
106 * function.h (used_types_insert): Accept only one argument.
108 2006-05-05 David Edelsohn <edesohn@gnu.org>
110 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
111 scratch with output modifier.
113 2006-05-04 David Edelsohn <edelsohn@gnu.org>
116 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
117 with output modifier.
119 2006-05-04 Richard Sandiford <richard@codesourcery.com>
122 * config/mips/mips.c (mips_symbolic_address_p): Return true
123 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
124 SYMBOL_GOTTPREL, and SYMBOL_TLS.
126 2006-05-04 Richard Guenther <rguenther@suse.de>
128 PR tree-optimization/14287
129 PR tree-optimization/14844
130 PR tree-optimization/19792
131 PR tree-optimization/21608
132 PR tree-optimization/27090
133 * tree-ssa-pre.c (try_combine_conversion): New function.
134 (compute_avail): After constructing the value-handle
135 expression, use try_combine_conversion to combine NOP_EXPRs
136 with previous value-handle expressions and use the result if it
139 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
141 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
143 2006-05-04 Jan Hubicka <jh@suse.cz>
146 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
148 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
150 * config/bfin/predicates.md (const01_rtx): Tell generator programs
151 that this only matches CONST_INTs. All users changed to VOIDmode
154 * config/bfin/bfin.c: Include "optabs.h".
155 (bfin_rtx_costs): Some costs for vector operations, to allow combine
157 (enum bfin_builtins): Add a number of fractional and vector builtins.
158 (bfin_init_builtins): Likewise.
159 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
160 (safe_vector_operand, bfin_expand_binop_builtin,
161 bfin_expand_unop_builtin): New functions.
162 (bfin_expand_builtin): Handle the new builtins.
163 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
166 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
169 * Makefile.in (OBJS-common): Add see.o.
170 (see.o): Add dependencies.
171 * common.opt (fsee): New flag for the see optimization was added.
172 * opts.c (flag_see): Initialized.
173 * passes.c (init_optimization_passes, pass_see): New pass.
174 * rtl.h (see_main): Declaration as extern.
175 * timevar.def (TV_SEE): New.
176 * tree-pass.h (pass_see): Declaration as extern.
177 * invoke.texi (-fsee): Document.
178 * recog.c (validate_simplify_insn): New function.
179 * recog.h (validate_simplify_insn): Declaration as extern.
180 * df-problems.c (df_chain_dump): Check for NULL.
182 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
183 Daniel Berlin <dberlin@dberlin.org>
185 * cfgrtl.c (insert_insn_bb_end_new): New function.
186 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
188 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
190 * df.h (struct web_entry): Moved from web.c.
191 (union_defs): Declaration as extern.
192 (unionfind_root): Likewise.
193 (unionfind_union): Likewise.
194 * web.c (struct web_entry): Moved to df.h.
195 (unionfind_root): Remove static declaration.
196 (unionfind_union): Likewise.
197 (union_defs): Likewise and generalize to use callback function.
198 (web_main): Update arguments for union_defs function call.
200 2006-05-04 Richard Guenther <rguenther@suse.de>
202 PR tree-optimization/26447
203 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
204 produce SSA_NAME copies before the store stmt to avoid
205 breaking exception handling.
207 2006-05-04 Jakub Jelinek <jakub@redhat.com>
210 * gimplify.c (omp_is_private): If var is shared in some outer context,
211 return false instead of true. Stop searching on parallel context
214 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
217 * coverage.c: Use get_gcov_unsigned_t() instead of
218 unsigned_type_node all over.
220 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
222 PR tree-optimization/27381
223 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
224 maintain the same immediate_use links.
225 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
226 node rather than segfaulting.
228 2006-05-03 Jakub Jelinek <jakub@redhat.com>
231 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
232 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
233 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
235 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
237 Fix PR tree-optimization/26626
238 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
240 * tree-ssa-operands.c (access_can_touch_variable): Allow
241 typecasting through union pointers.
243 2006-05-02 Jakub Jelinek <jakub@redhat.com>
246 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
247 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
248 to find if var will be a global variable even in the nested context.
249 (omp_copy_decl): Only check for global variable at the end, it might
250 be overridden in outer contexts.
251 (scan_sharing_clauses): For global variables don't create a field.
252 (lower_rec_input_clauses): Do nothing for global shared variables.
253 Emit a barrier at the end of ILIST if there were any decls in both
254 firstprivate and lastprivate clauses.
255 (lower_send_clauses): Do nothing for global variables except for
258 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
260 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
261 of the correct signedness is returned.
263 2006-05-02 Jeff Law <law@redhat.com>
265 PR tree-optimization/27364
266 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
267 multiply expressions.
269 2006-05-02 Tom Tromey <tromey@redhat.com>
271 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
273 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
276 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
277 -mthumb -fPIC are used.
279 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
280 Joshua Kinard <kumba@gentoo.org>
283 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
284 with 64-bit pointers.
286 2006-05-02 Paul Brook <paul@codesourcery.com>
288 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
290 (create_fix_barrier): Check that a suitable barrier location is
292 (arm_reorg): Include ftmp->address in allowable range of addresses.
294 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
297 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
300 2006-05-02 Jakub Jelinek <jakub@redhat.com>
303 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
304 around RESULT_DECL for result passed by reference.
305 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
306 * omp-low.c (use_pointer_for_field): Don't look at
307 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
308 (scan_omp_1): Call remap_decl on RESULT_DECLs.
309 (lower_rec_input_clauses): Don't allocate VLA memory for the second
310 time or var for passing by reference for
311 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
312 TREE_ADDRESSABLE variables when passing by reference.
314 * omp-low.c (dump_omp_region): Fix output formatting.
317 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
318 (expand_omp_parallel): Likewise.
319 * tree-cfg.c (move_sese_region_to_fn): Likewise.
322 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
323 on statement list containing also constructors and destructors.
324 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
327 * except.c (duplicate_eh_regions): Fix clearing of
328 cfun->eh->region_array entries.
330 2006-05-01 DJ Delorie <dj@redhat.com>
332 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
334 (gcc_cv_objdump): Likewise.
335 * configure: Regenerated.
337 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
340 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
341 templates for case 3 and 4.
343 2006-05-01 DJ Delorie <dj@redhat.com>
345 * vec.c: Include bconfig.h when appropriate.
346 * Makefile.in (build/vec.o): Adjust dependencies.
347 * mkconfig.sh: Make sure config.h isn't used for build machine
350 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
352 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
354 (mark_phi_for_rewrite): New function.
355 (insert_phi_nodes_for, mark_use_interesting): Call
356 mark_phi_for_rewrite.
357 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
358 (update_ssa): Initialize and free phis_to_rewrite.
360 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
362 PR rtl-optimization/27291
363 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
364 folded to a constant.
366 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
368 PR tree-optimization/27283
369 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
370 not whole # of iteration descriptions.
371 (niter_for_exit): Return just # of iterations. Fail if # of iterations
372 uses abnormal ssa name.
373 (niter_for_single_dom_exit): Ditto.
374 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
375 return just the number of iterations.
377 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
379 PR tree-optimization/27144
380 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
381 (record_estimate): Only record constant upper bound.
382 (infer_loop_bounds_from_undefined): Call
383 compute_estimated_nb_iterations just once.
384 (proved_non_wrapping_p): Renamed to ...
385 (n_of_executions_at_most): ... this. Expect bound to be a constant.
386 (convert_step_widening, scev_probably_wraps_p): Call
387 n_of_executions_at_most instead of proved_non_wrapping_p.
388 (substitute_in_loop_info): Do not replace values in bounds.
389 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
392 2006-05-01 Richard Henderson <rth@redhat.com>
395 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
396 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
399 2006-05-01 Roger Sayle <roger@eyesopen.com>
401 * c-typeck.c (parser_build_binary_op): Don't call the function
402 unsigned_conversion_warning to spot operand/result type overflow.
403 (build_binary_op): Instead, call convert_and_check instead of
404 convert to report the problem when the operands are promoted.
405 * c-common.c (unsigned_conversion_warning): Make static.
406 * c-common.h (unsigned_conversion_warning): Delete prototype.
408 2006-05-01 Richard Guenther <rguenther@suse.de>
410 PR tree-optimization/26726
411 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
413 (find_interesting_uses_address): ... we work around here
414 by folding INDIRECT_REFs in the substituted base.
416 2006-05-01 Diego Novillo <dnovillo@redhat.com>
418 * omp-low.c (dump_omp_region): Add newlines.
420 2006-04-30 Roger Sayle <roger@eyesopen.com>
422 * common.opt (Woverflow): New command line option.
423 * c-common.c (constant_expression_warning): Check warn_overflow.
424 (overflow_waring): Pass OPT_Woverflow to warning.
425 (unsigned_conversion_warning): Likewise.
426 (convert_and_check): Likewise.
427 * doc/invoke.texi: Document new command line option.
429 2006-04-30 David Edelsohn <edelsohn@gnu.org>
431 * config/rs6000/rs6000.c (rs6000_override_options): Enable
432 TARGET_NO_FP_IN_TOC for section anchors.
433 (optimization_options): Enable section anchors for all
434 non-"Objective" languages.
436 2006-04-28 Eric Christopher <echristo@apple.com>
438 * config/darwin-c.c (darwin_ms_struct): Move this
439 (darwin_set_default_type_attributes): and this...
440 * config/darwin.c: ... here.
441 * config/darwin.h (darwin_ms_struct): Declare.
443 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
445 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
447 2006-04-28 Roger Sayle <roger@eyesopen.com>
450 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
451 (push_array_bounds): Delete prototype. Change BOUNDS argument to
452 an unsigned HOST_WIDE_INT.
453 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
455 (really_start_incremental_init): No need to call convert because
456 bitsize_zero_node is already of type bitsizetype.
457 (push_init_level): Extract the value of constructor_index as an
458 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
459 (process_init_element): Likewise.
461 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
463 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
464 value before passing to make_relative_prefix.
466 2006-04-28 Alan Modra <amodra@bigpond.net.au>
469 * builtins.c (expand_builtin_memset): Expand val in original mode.
471 2006-04-27 Eric Christopher <echristo@apple.com>
473 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
475 * config/darwin-c.c (darwin_ms_struct): New.
476 (darwin_pragma_ms_struct): Ditto.
477 (darwin_set_default_type_attributes): Ditto.
478 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
479 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
480 Register ms_struct pragma.
481 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
482 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
483 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
484 darwin_set_default_type_attributes if TARGET_MACHO.
486 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
488 PR tree-optimization/26854
489 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
490 * doc/tree-ssa.texi: Update immuse iterator documentation.
491 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
492 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
493 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
494 first_safe_imm_use, next_safe_imm_use): Remove.
495 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
496 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
497 (move_use_after_head): New. Helper function to sort immuses in a stmt.
498 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
499 (first_imm_use_stmt): New. Get first stmt in an immuse list.
500 (next_imm_use_stmt): New. Get next stmt in an immuse list.
501 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
502 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
503 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
504 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
505 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
506 (perfect_nestify): Use new iterator.
507 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
509 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
510 (next_imm_name): New field in struct immediate_use_iterator_d.
511 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
512 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
513 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
514 * tree-cfg.c (replace_uses_by): Use new iterator.
515 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
516 * tree-ssa-operands.c (correct_use_link): Remove.
517 (finalize_ssa_use_ops): No longer call correct_use_link.
519 2006-04-27 Stuart Hastings <stuart@apple.com>
521 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
522 * config/t-darwin (crt3.o): Use it.
523 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
524 'pmode', use Pmode instead of SImode for SYMBOL_REF.
525 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
526 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
527 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
530 2006-04-27 Roger Sayle <roger@eyesopen.com>
532 * expmed.c (store_fixed_bit_field): If we're not optimizing for
533 size, force the intermediate into a new pseudo rather instead of
534 performing both a bitwise AND and a bitwise IOR in memory.
536 2006-04-27 Richard Guenther <rguenther@suse.de>
538 PR rtl-optimization/26685
539 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
540 this one "max-flow-memory-locations".
542 2006-04-27 Richard Guenther <rguenther@suse.de>
544 PR tree-optimization/25148
545 * tree-vrp.c (compare_values): Remove code dealing with
546 comparisons against type min/max value. Honour overflow
547 and negative constants in code dealing with comparisons
548 of plus and minus expressions.
549 (value_inside_range): Use fold_binary with LE_EXPR and
550 GE_EXPR rather than compare_values.
552 2006-04-27 Dirk Mueller <dmueller@suse.de>
554 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
557 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
559 * basic-block.h (safe_insert_insn_on_edge): Removed.
560 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
563 2006-04-26 David Edelsohn <edelsohn@gnu.org>
564 Paolo Bonzini <bonzini@gnu.org>
567 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
568 (simplify_and_const_int): Same.
570 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
572 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
574 2006-04-26 Jakub Jelinek <jakub@redhat.com>
577 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
578 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
579 cgraph_global_info_ready.
582 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
585 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
586 either decl or init is error_mark_node.
589 * tree-flow.h (struct omp_region): Add sched_kind.
590 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
591 instead of extracting omp for data.
592 (expand_omp_for): Save extracted sched_kind.
594 2006-04-25 Roger Sayle <roger@eyesopen.com>
596 * expmed.c (store_bit_field): Also check whether the bitsize is
597 valid for the machine's "insv" instruction before moving the
598 target into a pseudo for use with the insv.
599 * config/i386/predicates.md (const8_operand): New predicate.
600 * config/i386/i386.md (extv, extzv, insv): Use the new
601 const8_operand predicate where appropriate.
603 2006-04-25 DJ Delorie <dj@redhat.com>
605 * doc/install.texi (Specific): Clarify that this is not a list of
606 supported hosts or targets.
608 2006-04-25 Richard Sandiford <richard@codesourcery.com>
610 PR rtl-optimization/26725
611 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
612 block's BB_DIRTY flag.
614 2006-04-25 Geoffrey Keating <geoffk@apple.com>
616 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
619 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
622 2006-04-25 David Edelsohn <edelsohn@gnu.org>
624 * varasm.c (align_variable): New function.
625 (get_block_for_decl): Apply align_variable to DECL before
626 calculating section information.
627 (assemble_variable): Split out alignment computation.
629 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
631 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
634 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
636 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
637 MODE_PARTIAL_INT mode.
638 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
639 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
641 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
642 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
644 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
646 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
648 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
649 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
650 MACFLAG_IH): Likewise.
651 (movstricthi_1): Renamed from "*movstricthi".
652 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
653 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
654 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
655 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
656 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
657 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
658 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
659 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
660 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
661 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
662 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
663 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
664 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
665 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
666 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
668 * doc/rtl.texi (ss_ashift): Improve wording.
670 2006-04-24 Geoffrey Keating <geoffk@apple.com>
672 * dwarf2out.c (verify_marks_clear): New.
673 (prune_unused_types): Call verify_marks_clear initially, not
676 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
678 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
679 * doc/rtl.texi: Document them.
680 * simplify-rtx.c (simplify_unary_operation,
681 simplify_binary_operation_1): Don't abort when we see them.
683 2006-04-24 Mark Mitchell <mark@codesourcery.com>
686 2006-04-23 Mark Mitchell <mark@codesourcery.com>
687 * configure.ac: Completely disregard languages that are not
689 * configure: Regenerated.
691 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
692 Richard Guenther <rguenther@suse.de>
694 PR tree-optimization/27236
695 * tree-inline.c (copy_body_r): Make sure to copy
696 TREE_THIS_VOLATILE flag.
698 2006-04-24 Richard Guenther <rguenther@suse.de>
701 * tree-complex.c (update_parameter_components): Don't handle
702 unused parameters which have no default def.
704 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
705 Richard Guenther <rguenther@suse.de>
707 PR tree-optimization/27218
708 * tree-inline.c (expand_call_inline): Strip useless type
709 conversions for the return slot address.
711 2006-04-24 Richard Guenther <rguenther@suse.de>
713 * cfgloop.h (struct loops): Remove unused field array. Reorder
715 (LOOP_PREFETCH): Remove.
717 2006-04-24 Richard Guenther <rguenther@suse.de>
719 PR tree-optimization/22525
720 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
721 variable, adjust types of generated expressions.
723 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
725 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
726 (tree-vect-patterns.o): Likewise.
728 (cselib.o): Likewise.
729 (loop-doloop.o): Likewise.
730 (regclass.o): Likewise.
731 (reload1.o): Likewise.
732 (explow.o): Replace target.h with $(TARGET_H).
733 (ipa-prop.o): Likewise.
734 (ipa-cp.o): Likewise.
735 (ipa-inline.o): Likewise.
737 (reg-stack.o): Likewise.
739 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
741 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
743 2006-04-23 Mark Mitchell <mark@codesourcery.com>
745 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
747 * configure.ac: Completely disregard languages that are not
749 * configure: Regenerated.
752 * c-common.h (c_build_bitfield_integer_type): Declare.
753 * c-decl.c (c_build_bitfield_integer_type): Move to ...
754 * c-common.c (c_build_bitfield_integer_type): ... here.
756 2006-04-23 Roger Sayle <roger@eyesopen.com>
759 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
760 a SImode SUBREG of a floating point register after no_new_pseudos.
762 2006-04-23 Roger Sayle <roger@eyesopen.com>
764 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
765 identify potentially eliminable registers to additionally catch
766 VIRTUAL_INCOMING_ARGS_REGNUM.
767 (addsi3): Update the conditions on when to use addsi_small_int.
769 2006-04-23 Roger Sayle <roger@eyesopen.com>
772 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
773 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
774 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
776 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
778 * fold-const.c (range_predecessor): Use operand_equal_p
779 as the predicate for equality.
780 (range_successor): Likewise.
782 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
785 * config/soft-fp/op-common.h: Fix a typo.
787 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
790 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
791 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
793 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
795 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
797 * doc/tm.texi: Fix a typo.
799 2006-04-21 Geoffrey Keating <geoffk@apple.com>
801 * dwarf2out.c (struct die_struct): Document that die_sib makes
802 a circular linked list.
803 (FOR_EACH_CHILD): New.
804 (reverse_die_lists): Delete.
805 (reverse_all_dies): Delete.
806 (add_dwarf_attr): Correct documentation.
807 (remove_child_with_prev): New.
808 (remove_child_TAG): Update for change to die_struct, use
809 remove_child_with_prev.
810 (add_child_die): Update for change to die_struct.
811 (splice_child_die): Use remove_child_with_prev and add_child_die.
812 (print_die): Use FOR_EACH_CHILD.
813 (die_checksum): Likewise.
814 (assign_symbol_names): Likewise.
815 (output_location_lists): Likewise.
816 (build_abbrev_table): Likewise.
817 (calc_die_sizes): Likewise.
818 (mark_dies): Likewise.
819 (unmark_dies): Likewise.
820 (unmark_all_dies): Likewise.
821 (output_die): Likewise.
822 (prune_unused_types_mark): Likewise.
823 (prune_unused_types_walk): Likewise.
824 (same_die_p): Update for change to die_struct.
825 (break_out_includes): Likewise.
826 (prune_unused_types_prune): Likewise.
827 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
828 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
830 (dwarf2out_finish): Don't call reverse_all_dies.
832 2006-04-21 Eric Christopher <echristo@apple.com>
834 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
835 in comments and function names.
837 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
840 * c-typeck.c (digest_init): Robustify.
842 * c-typeck.c (pop_init_level): Simplify.
844 2006-04-21 Steve Ellcey <sje@cup.hp.com>
846 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
848 2006-04-21 Paul Brook <paul@codesourcery.com>
850 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
851 hardware floating point.
853 2006-04-21 David Edelsohn <edelsohn@gnu.org>
855 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
858 2006-04-21 Nick Clifton <nickc@redhat.com>
860 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
863 2006-04-21 Alan Modra <amodra@bigpond.net.au>
866 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
867 C++ lang type in traceback table for Objective-C++.
869 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
871 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
873 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
875 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
878 * tree-mudflap.c (mudflap_finish_file): Skip function when there
879 were errors. Remove check for erroneous objects.
881 2006-04-20 Jeff Law <law@redhat.com>
883 PR tree-optimization/26854
884 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
885 checking for zero or one use.
886 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
887 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
888 * tree-ssa-reassoc.c (negate_value): Similarly.
889 (reassociate_bb): Similarly.
891 2006-04-20 Jakub Jelinek <jakub@redhat.com>
893 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
894 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
895 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
897 2006-04-20 Alan Modra <amodra@bigpond.net.au>
899 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
900 fp regs if the last fp arg doesn't fit in regs.
902 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
905 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
906 that the last insn has the REG_INC note.
908 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
909 Nathan Sidwell <nathan@codesourcery.com>
912 * stor-layout.c (update_alignment_for_field): Do not align
914 (place_union_field): Place union field at the start of the union.
915 (place_field): Move ERROR_MARK check later, and use the current
916 allocation position to maintain monotonicity.
918 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
920 * dominance.c: Include timevar.h.
921 (calculate_dominance_info): Use TV_DOMINANCE.
922 * timevar.def (TV_DOMINANCE): New timevar.
923 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
925 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
927 PR rtl-optimization/14261
928 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
929 move would be an INSV insn.
930 (noce_process_if_block): Don't optimize if the destination is a
931 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
933 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
935 * config/s390/s390.md: Add comments with the instructions emitted
936 by an insn pattern if macros are used.
938 2006-04-19 Alan Modra <amodra@bigpond.net.au>
940 PR rtl-optimization/26026
941 * fold-const.c (fold_binary): Optimize div and mod where the divisor
942 is a known power of two shifted left a variable amount.
944 2006-04-18 Geoffrey Keating <geoffk@apple.com>
946 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
947 to hash table twice when the debug_str section has SECTION_MERGE.
949 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
951 * config/soft-fp: New directory. From glibc.
952 * config/soft-fp/t-softfp: New.
953 * config/soft-fp/README: New.
954 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
955 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
956 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
957 (LIBGCC_DEPS): Add $(SFP_MACHINE).
958 * config.gcc: Use rs6000/t-fprules-fpbit or
959 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
961 * config/rs6000/sfp-machine.h: New. Based on glibc.
962 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
964 * config/rs6000/t-fprules: Remove fp-bit rules.
965 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
966 * config/rs6000/t-linux64: Likewise. Remove duplicates from
967 LIB2FUNCS_EXTRA. Remove fp-bit rules.
968 (softfp_wrap_start, softfp_wrap_end): New.
970 2006-04-18 DJ Delorie <dj@redhat.com>
972 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
974 2006-04-18 Devang Patel <dpatel@apple.com>
976 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
978 2006-04-18 Nick Clifton <nickc@redhat.com>
980 * config/sh/t-symbian: Add rule to build sh-c.o
981 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
982 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
983 (sh_symbian_encode_section_info): Likewise.
985 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
987 * builtins.c (expand_builtin_strcmp): Cover label definition of
988 do_libcall with HAVE_cmpstrnsi.
990 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
992 * function.c (temp_slots_at_level, max_slot_level): Use VEC
994 * function.h (temp_slot_p): New.
995 (function): Change the type of x_used_temp_slots to
996 VEC(temp_slot_p,gc) *.
998 2006-04-18 Nick Clifton <nickc@redhat.com>
1000 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1001 flag_strength_reduce.
1003 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1005 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1009 Partial revert of revision 112637
1010 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1011 Dale Johannesen <dalej@apple.com>
1014 * regclass.c (struct reg_pref): Update documentation.
1015 (regclass): Set prefclass to NO_REGS if memory is the best option.
1016 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1018 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1020 PR tree-optimization/26821
1021 * tree-ssa-math-opts.c (get_constant_one): New.
1022 (insert_reciprocals): Use it.
1024 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1026 * dwarf2out.c (free_AT): Delete.
1027 (remove_AT): Update string ref counts.
1028 (remove_child_TAG): Don't call free_die.
1030 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1031 or DW_TAG_GNU_EINCL.
1032 (prune_unused_types_walk_attribs): Reset string refcounts.
1033 (prune_unused_types_update_strings): New.
1034 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1035 call free_die. Do call prune_unused_types_update_strings.
1036 (prune_unused_types): Empty debug_str_hash.
1038 2006-04-17 Roger Sayle <roger@eyesopen.com>
1040 * expr.c (expand_assignment): Optimize away no-op moves where the
1041 source and destination are equal and have no side-effects.
1043 2006-04-17 Richard Guenther <rguenther@suse.de>
1046 * reload.c (push_reload): Guard calls to get_secondary_mem
1049 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1051 * alias.c (reg_base_value, old_reg_base_value): Change the
1052 type to VEC(rtx,gc) *.
1053 (REG_BASE_VALUE, find_base_value, record_set,
1054 init_alias_analysis): Use VEC instead of VARRAY.
1056 * alias.c (alias_sets): Change the type to
1057 VEC(alias_set_entry,gc) *.
1058 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1059 VEC instead of VARRAY.
1060 (last_alias_set): Remove.
1062 * cgraph.h (cgraph_edge_p): New.
1063 Update the prototype of cgraph_function_versioning.
1064 * cgraphunit.c (cgraph_copy_node_for_versioning,
1065 cgraph_function_versioning): Use VEC instead of VARRAY.
1066 * ipa-cp.c (ipcp_insert_stage): Likewise.
1068 2006-04-16 Roger Sayle <roger@eyesopen.com>
1071 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1072 "A op B" or "A op C", we may need to convert A to the type of B and C.
1074 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1076 * target.h (struct gcc_target): Add mode_rep_extended.
1077 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1078 (init_num_sign_bit_copies_in_rep): Initialize it using
1080 (truncate_to_mode): Use it.
1081 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1082 * targhooks.h (default_mode_rep_extended): Declare it.
1083 * targhooks.c (default_mode_rep_extended): Define it.
1084 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1085 default_mode_rep_extended.
1086 (TARGET_INITIALIZER): Include it.
1087 * doc/tm.texi (Misc): Document it.
1088 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1089 (mips_truncated_to_mode): New function.
1091 2006-04-16 Roger Sayle <roger@eyesopen.com>
1094 * expr.c (compress_float_constant): Copy the narrow constant into
1095 a new pseudo before extending it to its final width.
1097 2006-04-16 Roger Sayle <roger@eyesopen.com>
1098 Andrew Pinski <pinskia@gcc.gnu.org>
1099 Dale Johannesen <dalej@apple.com>
1102 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1103 special case code to implement V8HImode and V16QImode with SSE2.
1105 2006-04-15 Roger Sayle <roger@eyesopen.com>
1107 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1108 trees are constructed with a suitable tree type.
1110 2006-04-15 Roger Sayle <roger@eyesopen.com>
1112 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1113 (integer_onep): Likewise.
1114 (integer_all_onesp): Likewise.
1115 (integer_pow2p): Likewise.
1116 (integer_nonzerop): Likewise.
1117 (real_zerop): Likewise.
1118 (real_onep): Likewise.
1119 (real_twop): Likewise.
1120 (real_minus_onep): Likewise.
1121 (int_size_in_bytes): Likewise.
1122 (host_integerp): Likewise.
1124 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1126 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1127 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1128 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1130 * tree-ssa-structalias.h (alias_info): Remove num_references.
1132 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1134 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1135 (output_bvb patterns): Likewise.
1136 * pa.c (output_bb): Use 'bb' insn for long branch case.
1137 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1138 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1139 1. Correct length operand for alternatives 1 and 2.
1140 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1141 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1143 2006-04-14 Roger Sayle <roger@eyesopen.com>
1145 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1146 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1147 were accidentally reverted by r112959.
1149 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1152 * except.h (eh_region_outermost): New prototype.
1153 * except.c (eh_region_outermost): New function.
1154 * tree-cfg.c (find_outermost_region_in_block): Use it.
1156 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1158 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1160 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1161 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1162 (init_reload, reload): Use VEC instead of VARRAY.
1163 * reload.h: Update the prototype for
1164 reg_equiv_memory_loc_varray.
1166 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1167 Eric Botcazou <ebotcazou@libertysurf.fr>
1169 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1172 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1175 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1176 to expand fallback builtin function call.
1178 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1181 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1182 and emit libcall here in case the builtin fails.
1183 (expand_builtin_strcmp): Always emit the libcall here on failure.
1185 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1187 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1188 * flow.c (reg_n_info): Change the type to
1189 VEC(reg_info_p,heap) *.
1190 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1192 * regs.h (reg_info_p): New.
1193 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1194 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1195 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1198 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1200 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1202 * params.h (MAX_SCHED_READY_INSNS): New macro.
1203 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1204 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1205 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1206 the ready list for 1 cycle during the first scheduling pass.
1207 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1209 2006-04-13 Richard Henderson <rth@redhat.com>
1212 * gimple-low.c (lower_omp_directive): Remove dead code.
1213 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1214 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1215 * omp-low.c (struct omp_region): Move to tree-flow.h.
1216 (root_omp_region): Export.
1217 (omp_regions, lookup_omp_region): Remove.
1218 (determine_parallel_type): Update for struct omp_region changes.
1219 (dump_omp_region): Dump regions with block numbers.
1220 (new_omp_region): Take type and block instead of stmt; malloc
1222 (free_omp_region_1, free_omp_regions): New.
1223 (expand_parallel_call): Take entry_stmt as argument; update for
1224 changes to omp_region.
1225 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1226 (remove_exit_barriers): New.
1227 (expand_omp_parallel): Update for struct omp_region changes.
1228 (expand_omp_synch): Likewise.
1229 (expand_omp): Likewise.
1230 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1231 (expand_omp_for_static_chunk): Likewise.
1232 (expand_omp_for): Likewise.
1233 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1234 (expand_omp_sections): Similarly, with GOMP_sections_end.
1235 (expand_omp_single): New.
1236 (build_omp_regions_1): Update for OMP_CONTINUE.
1237 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1238 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1239 OMP_SECTIONS_SECTIONS.
1240 (lower_omp_single_simple): Don't emit barrier here.
1241 (lower_omp_single_copy): Likewise.
1242 (lower_omp_single): Fix bindings, and lower to straightline now.
1243 (lower_omp_master, lower_omp_ordered): Likewise.
1244 (lower_omp_critical): Likewise.
1245 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1246 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1247 omp edges, free it afterward.
1248 (make_omp_sections_edges): Remove.
1249 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1250 (move_stmt_r): Handle OMP_CONTINUE.
1251 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1252 statement pointers to basic blocks. Add type member.
1253 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1254 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1255 * tree-inline.c (estimate_num_insns_1): Likewise.
1256 * tree-pretty-print.c (dump_generic_node): Likewise.
1257 * tree-ssa-operands.c (get_expr_operands): Likewise.
1258 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1259 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1260 (OMP_CONTINUE): New.
1261 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1262 (OMP_SECTIONS_SECTIONS): Remove.
1263 (OMP_SECTION_LAST): New.
1264 (OMP_RETURN_NOWAIT): New.
1266 2006-04-13 Roger Sayle <roger@eyesopen.com>
1268 * fold-const.c (native_encode_vector, native_interpret_real):
1269 Correct obvious mistakes in the previous check-in.
1271 2006-04-13 Roger Sayle <roger@eyesopen.com>
1273 * fold-const.c (native_encode_expr): New function to encode
1274 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1275 or VECTOR_CST into a specified buffer.
1276 (native_encode_int): New function.
1277 (native_encode_real): New function.
1278 (native_encode_complex): New function.
1279 (native_encode_vector): New function.
1280 (native_interpret_expr): Inverse of native_encode_expr to convert
1281 a target representation into an INTEGER_CST, REAL_CST etc...
1282 (native_interpret_int): New function.
1283 (native_interpret_real): New function.
1284 (native_interpret_complex): New function.
1285 (native_interpret_vector): New function.
1286 (fold_view_convert_expr): New function to constant fold/evaluate
1287 a VIEW_CONVERT_EXPR of a suitable constant expression.
1288 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1289 Change call of build1 to fold_build1 when constructing a
1292 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1293 Ulrich Weigand <uweigand@de.ibm.com>
1296 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1299 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1302 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1303 optimize to lo_sum for DFmode if !TARGET_FPRS.
1305 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1307 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1308 delete_alias_info, compute_flow_sensitive_aliasing,
1309 group_aliases): Use VEC instead of VARRAY.
1310 * tree-ssa-structalias.c (update_alias_info): Likewise.
1311 * tree-ssa-structalias.h (alias_info): Change the type of
1312 processed_ptrs to VEC(tree,heap) *.
1314 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1317 * config/sh/lib1funcs.h: New file, broken out of:
1318 * config/sh/lib1funcs.asm.
1319 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1321 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1322 * config/sh/lib1funcs-Os-4-200.asm: New file.
1323 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1324 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1325 (EXTRA_MULTILIB_PARTS): Include it.
1326 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1327 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1328 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1329 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1332 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1334 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1335 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1336 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1338 * tree-ssa-live.h: Include vecprim.h.
1339 (tree_partition_associator_d): Change the type of
1340 first_partition to VEC(int,heap) *.
1341 (tpa_first_partition): Use VEC instead of VARRAY.
1343 * Makefile.in (GTFILES): Move functions.h after tree.h.
1344 * function.c (reset_block_changes, record_block_change,
1345 check_block_change, free_block_changes): Use VEC instead of
1347 * function.h (function): Change the type of
1348 ib_boundaries_block to VEC(tree,gc) *.
1349 * tree-inline.c (copy_cfg_body): Initialize
1350 ib_boundaries_block to NULL instead of (varray_type) 0.
1352 2006-04-12 Roger Sayle <roger@eyesopen.com>
1354 * expr.c (emit_group_store): Correct operand order in call to
1355 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1356 a SUBREG_BYTE of zero.
1358 2006-04-12 Richard Guenther <rguenther@suse.de>
1360 * profile.c (compute_branch_probabilities): Remove code
1361 encapsulated in !ir_type (), which are remanents of the
1362 removed RTL profiling code.
1363 * rtl-profile.c: Remove.
1365 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1367 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1368 magic NULL_RTX comment.
1369 (function_arg): Store entire fp arg to mem if any part should go
1371 (rs6000_arg_partial_bytes): Adjust for above change.
1373 2006-04-11 Roger Sayle <roger@eyesopen.com>
1375 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1376 if it hasn't been initialized by dwarf2out_init.
1378 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1380 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1381 symbolic constants in branch patterns.
1383 2006-04-11 Roger Sayle <roger@eyesopen.com>
1385 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1387 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1389 PR rtl-optimization/27073
1390 * gcse.c (try_replace_reg): Revert last change. Continue to search
1391 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1394 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1396 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1397 aggregate types other than record and union types.
1398 (function_arg): Likewise.
1399 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1401 (function_value): In 64-bit mode, return objects that require it
1404 2006-04-11 Roger Sayle <roger@eyesopen.com>
1406 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1408 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1410 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1412 2006-04-03 Jeff Law <law@redhat.com>
1415 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1416 alias information too.
1418 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1420 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1422 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1425 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1426 (premark_used_types_helper): New.
1427 (premark_used_types): New.
1428 (gen_subprogram_die): Call premark_used_types.
1429 (prune_unused_types_walk): Do not prune perennial dies.
1430 * function.c (used_types_insert): New.
1431 * function.h (struct function): Add used_types_hash field.
1432 (used_types_insert): Add prototype.
1433 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1434 * c-parser.c (c_parser_cast_expression): Save casted types in used
1437 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1440 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1441 rs6000_explicit_options.float_gprs.
1443 2006-04-10 Roger Sayle <roger@eyesopen.com>
1445 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1446 from ix86_expand_vector_init_low_nonzero. Take an additional
1447 one_var argument indicating which element is non-zero. Support
1448 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1449 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1450 with one_var instead of ix86_expand_vector_init_low_nonzero.
1452 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1454 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1455 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1456 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1457 build/genextract.o): Depend on vecprim.h.
1458 * cfglayout.c, df-problems.c, function.c, genextract.c,
1459 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1460 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1464 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1466 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1467 Declare VECs of this type.
1468 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1469 (remove_children): Delete.
1470 (add_dwarf_attr): Use VEC routines.
1471 (add_AT_flag): Update for changes to add_dwarf_attr.
1472 (add_AT_int): Likewise.
1473 (add_AT_unsigned): Likewise.
1474 (add_AT_long_long): Likewise.
1475 (add_AT_vec): Likewise.
1476 (add_AT_string): Likewise.
1477 (add_AT_die_ref): Likewise.
1478 (add_AT_fde_ref): Likewise.
1479 (add_AT_loc): Likewise.
1480 (add_AT_loc_list): Likewise.
1481 (add_AT_addr): Likewise.
1482 (add_AT_lbl_id): Likewise.
1483 (add_AT_lineptr): Likewise.
1484 (add_AT_macptr): Likewise.
1485 (add_AT_offset): Likewise.
1486 (add_AT_range_list): Likewise.
1487 (get_AT): Use VEC_iterate.
1488 (remove_AT): Use VEC_ordered_remove.
1489 (free_die): Fold remove_children into here; have it use VEC_iterate.
1490 (print_die): Use VEC_iterate on attrs.
1491 (reverse_die_lists): Don't reverse attr lists.
1492 (die_checksum): Use VEC_iterate on attrs.
1493 (same_die_p): Likewise.
1494 (output_location_lists): Likewise.
1495 (build_abbrev_table): Likewise.
1496 (size_of_die): Likewise.
1497 (unmark_all_dies): Likewise.
1498 (output_abbrev_section): Likewise.
1499 (output_die): Likewise.
1500 (prune_unused_types_walk_attribs): Likewise.
1502 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1504 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1506 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1509 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1511 2006-04-09 Roger Sayle <roger@eyesopen.com>
1513 * expr.c (store_constructor): Don't bother clearing target if
1514 we're about to assign a vector to it using vec_init_optab.
1516 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1518 * tree-ssa-alias.c (lhs_may_store_to): New function.
1519 (recalculate_used_alone): Handle LHS of calls.
1521 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1525 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1526 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1527 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1528 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1529 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1530 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1531 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1532 stubs. Add ".align 8" directives before all ".dword" directives.
1533 (GTHREAD_USE_WEAK): Revise comment.
1534 (TARGET_ATTRIBUTE_WEAK): Define.
1535 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1536 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1537 * stublib.c: New file.
1542 * pa.md (cbranch patterns): Revise arguments used in calls to
1543 output_cbranch, output_bb and output_bvd. Add long branch length
1545 (fbranch patterns): Handle long branches.
1546 (jump): Revise length check. Revise arguments for output_lbranch call.
1547 Add long branch length attributes.
1548 (decrement_and_branch_until_zero): Add long branch length attributes.
1549 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1550 Likewise. Revise arguments for output_parallel_addb and
1551 output_parallel_movb calls.
1552 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1553 output_parallel_movb and output_parallel_addb): Update prototypes.
1554 * pa.c (output_cbranch): Revise arguments. Correct handling of
1555 nullification in long branches.
1556 (output_lbranch): Add new argument to control extraction of delay
1558 (output_bb): Handle long branches.
1559 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1560 output_parallel_addb): Likewise.
1562 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1564 PR rtl-optimization/27073
1565 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1568 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1570 * tree.h (tree_memory_tag): Add old_used_alone.
1571 (SMT_OLD_USED_ALONE): New macro.
1572 * tree-ssa-alias.c (recalculate_used_alone): Stop
1573 marking things for renaming unnecessarily.
1575 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1577 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1578 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1579 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1580 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1581 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1582 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1583 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1584 spelling convensions.
1585 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1586 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1587 typos. Follow spelling conventions.
1589 2006-04-07 DJ Delorie <dj@redhat.com>
1591 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1592 passed on the stack.
1593 (m32c_init_cumulative_args): When a function returns a structure,
1594 always pass the pointer to that return area on the stack.
1595 (m32c_function_arg_advance): Don't increment the parameter number
1596 if we're processing the returned structure pointer.
1597 (pushm_info): Reverse order of registers.
1599 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1601 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1602 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1603 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1604 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1606 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1607 chrec_fold_multiply): Same.
1608 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1609 force_expr_to_var_cost): Same.
1610 * tree-mudflap.c (mf_xform_derefs_1): Same.
1611 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1613 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1615 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1616 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1619 2006-04-07 Jan Hubicka <jh@suse.cz>
1621 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1623 2006-04-07 Richard Guenther <rguenther@suse.de>
1625 PR tree-optimization/26135
1626 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1627 loads for store copy-prop.
1628 (copy_prop_visit_stmt): Likewise.
1630 2006-04-05 Robert Millan <robertmh@gnu.org>
1632 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1633 being overriden in config/k*bsd-gnu.h.
1634 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1636 * gcc/config/knetbsd-gnu.h: Ditto.
1638 2006-04-06 Jan Hubicka <jh@suse.cz>
1642 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1645 2006-04-06 Mike Stump <mrs@apple.com>
1647 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1648 for HAVE_nonlocal_goto to be consistent.
1649 (expand_builtin_nonlocal_goto): Likewise.
1650 (expand_builtin_strcmp): Use #ifdef instead of #if
1651 for HAVE_cmpstrnsi to be consistent.
1653 2006-04-05 DJ Delorie <dj@redhat.com>
1655 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1658 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1660 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1661 got-relative addressing for anything but SImode.
1663 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1664 even if the calling function doesn't modify them.
1666 2006-04-05 Richard Guenther <rguenther@suse.de>
1668 PR tree-optimization/26919
1669 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1670 to cgraph_estimate_size_after_inlining.
1672 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1674 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1676 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1678 PR tree-optimization/26996
1679 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1680 VECTOR_TYPE variables.
1682 2006-04-05 Richard Guenther <rguenther@suse.de>
1684 PR tree-optimization/26763
1685 * fold-const.c (fold_comparison): Move folding of
1686 PTR + CST CMP PTR + CST ...
1687 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1689 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1691 * doc/install.texi (Prerequisites): Refine some wording on
1692 bootstrapping and ksh.
1693 Move the version numbers of DejaGnu here from the testing section
1694 and fix casing of names.
1695 Fix markup and clarify wording for autogen requirements.
1696 Refer to GCJ instead of just java.
1697 Refer to SVN instead of CVS.
1698 Describe diffutils as useful instead of necessary.
1699 (Downloading the source): Refer to SVN instead of CVS.
1700 Adjust a link to our web site accordingly.
1701 (Configuration): Fix casing of Bison.
1702 (Building): Refer to SVN instead of CVS.
1703 Fix a sentence on the use of Bison and remove duplicate (and
1704 incorrect) version number of Bison requirement.
1705 Remove one redundant list of packages needed for building.
1706 (Specific): Avoid reference to CVS.
1708 2006-04-04 Eric Christopher <echristo@apple.com>
1710 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1711 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1712 (rs6000_handle_struct_attribute): New.
1713 (rs6000_ms_bitfield_layout_p): Ditto.
1715 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1717 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1718 NULL for dso parameter to atexit_common.
1720 2006-04-04 Eric Christopher <echristo@apple.com>
1722 * config/i386/i386.c (machopic_output_stub): Output \t
1723 between instructions and operands.
1725 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1727 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1728 satisfies_constraint_[IL] to explicit tests on value.
1730 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1732 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1733 set_nb_iterations_in_loop): Use build_int_cst instead of
1735 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1736 build_int_cst instead of convert.
1738 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1740 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1741 new value 2 for incoming.
1742 * function.c (expand_function_start): Call struct_value_rtx
1744 * config/sparc/sparc.md: Comment updated_return.
1745 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1746 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1747 struct return if sparc_std_struct_return and incoming is 2.
1748 (print_operand): Do not adjust return if
1749 sparc_std_struct_return.
1751 2006-04-04 Roger Sayle <roger@eyesopen.com>
1753 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1754 convert in the middle-end.
1755 * expr.c (store_expr, store_constructor, get_inner_reference,
1756 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1758 * tree.c (build_range_type): Likewise.
1760 2006-04-04 Tom Tromey <tromey@redhat.com>
1762 * doc/install.texi (Prerequisites): Mention jar.
1764 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1766 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1769 2006-04-04 Matthias Klose <doko@debian.org>
1771 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1772 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1775 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1777 * doc/extend.texi (Function Attributes): Rewrite visibility
1778 attribute documentation.
1779 * doc/invoke.texi (C++ Dialect Options): Rewrite
1780 -fvisibility-inlines-hidden documentation to describe something
1781 entirely different, although in practise compatible.
1782 (Code Gen Options): Warn about system headers in -fvisibiltity=
1785 * doc/extend.texi (Other Builtins): Document that
1786 __builtin_nan is a compile-time constant only when its argument
1789 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1791 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1792 trying to remove TRUNCATE check if all bits outside the new mode
1793 are identical to the sign bit.
1795 2006-04-03 Jeff Law <law@redhat.com>
1797 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1798 and operand scanning in some common cases.
1800 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1801 Dale Johannesen <dalej@apple.com>
1804 * regclass.c (struct reg_pref): Update documentation.
1805 (regclass): Set prefclass to NO_REGS if memory is the best option.
1806 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1807 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1808 into account. For non-registers, equate an empty preferred
1809 reload class to a `!' in the constraint; move the if clause to
1810 do so after those that reject the insn.
1811 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1813 (find_dummy_reload): Likewise.
1814 * doc/tm.texi (Register Classes): Document what it means
1815 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1816 * config/i386/i386.c (ix86_preferred_reload_class): Force
1817 using SSE registers (and return NO_REGS for floating-point
1818 constants) if math is done with SSE.
1819 (ix86_preferred_output_reload_class): New.
1820 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1821 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1822 * config/i386/i386.md: Remove # register preferences.
1824 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1827 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1828 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1829 the type of nb_iter.
1830 (instantiate_parameters_1): Convert the operands before calling
1831 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1832 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1834 2006-04-02 Roger Sayle <roger@eyesopen.com>
1836 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1837 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1839 * dojump.c (do_jump): Likewise.
1840 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1841 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1842 gimplify_boolean_expr): Likewise.
1843 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1844 * varasm.c (array_size_for_constructor): Likewise.
1845 * tree-object-size.c (compute_object_offset): Likewise.
1847 2006-04-02 Roger Sayle <roger@eyesopen.com>
1850 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1851 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1853 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1855 PR tree-optimization/26939
1856 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1858 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1860 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1861 at_stmt. Convert the type of operands before calling
1862 build_polynomial_chrec.
1863 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1865 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1866 (instantiate_parameters_1): Convert the type of operands before calling
1867 build_polynomial_chrec.
1868 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1869 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1870 reset_evolution_in_loop): Insert asserts to check the types of the
1872 (chrec_type): Moved...
1873 (eq_evolutions_p): Use operand_equal_p.
1874 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1875 the types of the operands.
1876 (chrec_type): ...here.
1877 * tree-data-ref.c (create_data_ref): Convert the operands before
1878 calling chrec_replace_initial_condition.
1879 (same_access_functions, analyze_subscript_affine_affine,
1880 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1881 (compute_subscript_distance, analyze_ziv_subscript,
1882 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1883 analyze_miv_subscript): Convert the operands before calling
1884 chrec_fold_minus or chrec_fold_plus.
1886 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1888 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1889 the dependence_relations vector.
1890 (compute_data_dependences_for_loop): Adjust call to
1891 compute_all_dependences.
1893 2006-04-01 Roger Sayle <roger@eyesopen.com>
1894 Richard Henderson <rth@redhat.com>
1896 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1897 gimple_boolify on the condition before calling gimplify_expr.
1899 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1901 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1902 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1903 the frame size. Update to use the new macros.
1904 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1905 * config/xtensa/ieee754-df.S: Likewise.
1907 2006-03-31 Richard Henderson <rth@redhat.com>
1909 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1910 (make_edges): ... here. Control fallthru creation with a local
1911 variable. Do not play with fake edges.
1912 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1913 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1916 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1918 * dwarf2.h (DW64_CIE_ID): Define.
1919 * dwarf2out.c (DWARF_CIE_ID): Define.
1920 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1921 length header. Use DWARF_CIE_ID.
1922 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1923 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1925 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1927 * config/sh/linux-atomic.asm: New file.
1928 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1930 2006-03-31 DJ Delorie <dj@redhat.com>
1932 * config/m32c/cond.md: Set condition flags properly throughout.
1933 * config/m32c/minmax.md: Likewise.
1934 * config/m32c/prologue.md: Likewise.
1935 * config/m32c/bitops.md: Likewise.
1936 * config/m32c/muldiv.md: Likewise.
1937 * config/m32c/mov.md: Likewise.
1938 * config/m32c/addsub.md: Likewise.
1939 * config/m32c/m32c.md: Likewise.
1940 * config/m32c/jump.md: Likewise.
1941 * config/m32c/shift.md: Likewise.
1943 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1944 conditionally output the pattern for this.
1945 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1946 (m32c_compare_redundant): New.
1947 (m32c_output_compare): New.
1948 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1950 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1951 dest, not src. Allow other 4-byte modes.
1953 2006-03-30 Denis Chertykov <denisc@overta.ru>
1955 * doc/md.texi: Refer to avr/constraints.md instead of
1958 2006-03-30 Roger Sayle <roger@eyesopen.com>
1960 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1961 signed vs. unsigned comparison failures on some hosts.
1963 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1966 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1967 change to FLOAT_REGS.
1969 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1970 (rs6000_override_options): Use it.
1971 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1972 only for -mabi=spe/no-spe and -mabi=altivec.
1974 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1976 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1979 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1981 * Makefile.in: Rename docdir to gcc_docdir.
1983 2006-03-30 Roger Sayle <roger@eyesopen.com>
1986 * expr.c (emit_group_store): Optimize group stores into a pseudo
1987 register by using a paradoxical subreg to initialize the destination
1988 if the first or last member of the group specifies a "low part".
1990 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1993 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1994 * target.h (struct gcc_target.speculate_insn): Change type of the
1995 second parameter to 'int'.
1996 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1997 the second operand of the DEPS_LIST.
1998 (copy_DEPS_LIST_list): Update reference to the second operand of the
2000 * rtl.h (alloc_DEPS_LIST): Update signature.
2001 * sched-int.h (ds_t): Change typedef to 'int'.
2002 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2004 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2006 * haifa-sched.c (try_ready): Change condition to restore
2007 non-speculative pattern of the instruction.
2008 (process_insn_depend_be_in_spec): Code to keep probability of the
2009 speculative dependence non-decreasing.
2011 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2013 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2014 (single_move_for_movmem): ... this. Also change all uses.
2015 (bfin_expand_strmov): Renamed to...
2016 (bfin_expand_movmem): ... this. Also change all uses.
2017 * config/bfin/bfin.md (movstrsi): Renamed to...
2018 (movstrsi): ...this.
2020 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2022 PR tree-optimization/26830
2024 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2025 (copy_prop_visit_stmt): Remove write-only variable ann.
2026 (init_copy_prop): Check variable loop depth here. Do not simulate
2027 memory-tag and virtual operand PHIs except for store copy prop.
2029 2006-03-30 Richard Guenther <rguenther@suse.de>
2031 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2032 variants with double arguments.
2034 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2036 * genpreds.c (write_tm_constrs_h): Delete variable p.
2037 * genconditions.c (write_header): Add tm-constrs.h to included
2039 * genpeep.c (main): Add toplev.h to included headers.
2040 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2041 (build/genpeep.o): Add toplev.h dependency.
2042 * config/rs6000/constraints.md: Add "W" constraint.
2044 2006-03-29 Roger Sayle <roger@eyesopen.com>
2046 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2047 sizes by correctly testing whether the size fits a host integer.
2048 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2049 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2050 SImode range for the default sizetype and bitsizetype.
2052 2006-03-29 Roger Sayle <roger@eyesopen.com>
2054 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2055 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2056 quickly if the argument is already of the correct type.
2057 Call fold_build1 instead of build1. Tidy up blank lines.
2059 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2061 * genemit.c (main): Add tm-constrs.h to included headers.
2062 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2063 * genpeep.c (main): Add tm-constrs.h to included headers.
2064 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2065 (write_tm_constrs_h): this and write complete file.
2066 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2067 (write_insn_preds_c): Add tm-constrs.h to included headers.
2068 (gen_constrs): New variable.
2069 (parse_option): Parse "-c".
2070 (main): Invoke write_tm_constrs_h.
2071 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2072 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2073 (object_out_file): Add tm-constrs.h dependency.
2074 (insn-emit.o): Same.
2075 (insn-output.o): Same.
2076 (insn-peep.o): Same.
2077 (insn-preds.o): Same.
2078 (insn-recog.o): Same.
2079 (tm-constsr.h): New target.
2080 (s-constrs-h): New target.
2082 * config/rs6000/constraints.md: New file.
2083 * config/rs6000/rs6000.c: Include tm-constrs.h.
2084 (num_insn_constant_wide): Convert to satisfies_constraint.
2085 (rs6000_rtx_costs): Convert to satisfies_constraint.
2086 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2087 (CONST_OK_FOR_LETTER_P): Delete.
2088 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2089 (EXTRA_CONSTRAINT): Delete.
2090 (EXTRA_MEMORY_CONSTRAINT): Delete.
2091 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2092 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2093 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2094 satisfies_constraint.
2096 * config/i386/i386.c: Include tm-constrs.h.
2098 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2100 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2101 * tree-data-ref.c (find_data_references_in_loop,
2102 compute_data_dependences_for_loop): Use pointers to VEC.
2103 (analyze_all_data_dependences): Adjust calls.
2104 * tree-data-ref.h (find_data_references_in_loop,
2105 compute_data_dependences_for_loop): Adjust declarations.
2106 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2107 compute_data_dependences_for_loop.
2109 2006-03-29 Paul Brook <paul@codesourcery.com>
2111 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2114 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2116 PR tree-optimization/26859
2117 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2119 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2120 for the step after fold_convert.
2122 2006-03-29 Paul Brook <paul@codesourcery.com>
2124 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2125 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2127 2006-03-29 Paul Brook <paul@codesourcery.com>
2130 * targhooks.c (default_narrow_bitfield): New fuction.
2131 * targhooks.h (default_narrow_bitfield): add prototype.
2132 * target.h (gcc_target): Add narrow_volatile_bitfield.
2133 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2134 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2135 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2136 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2138 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2140 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2142 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2143 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2144 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2145 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2146 (s390_function_arg_float): Allow SDmode and DDmode values to be
2147 passed in floating point registers.
2148 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2149 check with SCALAR_FLOAT_MODE_P.
2150 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2152 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2154 PR tree-optimization/25985
2155 * tree-ssa-loop-niter.c (number_of_iterations_le,
2156 number_of_iterations_ne): Make comments more precise.
2157 (number_of_iterations_cond): Add only_exit argument. Use the
2158 fact that signed variables do not overflow only when only_exit
2160 (loop_only_exit_p): New.
2161 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2162 number_of_iterations_cond.
2164 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2166 PR tree-optimization/26643
2167 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2170 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2172 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2173 (divsi3_i4_int): Likewise.
2175 2006-03-28 Roger Sayle <roger@eyesopen.com>
2177 * expr.c (emit_group_store): Only create a new pseudo reg if the
2178 quantity it needs to hold isn't already a suitable pseudo.
2180 2006-03-28 Jeff Law <law@redhat.com>
2182 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2183 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2185 2006-03-28 Roger Sayle <roger@eyesopen.com>
2187 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2188 the equivalent ~X & Y, and the symmetry related transformations.
2189 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2190 ~X & Y, and symmetry related transforms.
2192 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2194 Revert my 2006-03-27 patches.
2196 2006-03-28 Roger Sayle <roger@eyesopen.com>
2198 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2199 ~(T1)X, when T1 and T2 are integer types of the same precision
2200 and (T2)X isn't an extension.
2202 2006-03-28 Jeff Law <law@redhat.com>
2204 PR tree-optimization/26796
2205 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2206 need EH edge cleanups rather than purging them immediately.
2207 (eliminate_degenerate_phis): Handle queued EH cleanups.
2209 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2211 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2214 2006-03-27 Roger Sayle <roger@eyesopen.com>
2217 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2218 cast BIT_NOT_EXPR operand to the correct type.
2220 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2222 * tree-loop-linear.c: Don't include varray.h.
2223 (gather_interchange_stats, try_interchange_loops,
2224 linear_transform_loops): Use VEC instead of VARRAY.
2225 * lambda-mat.c: Don't include varray.h.
2226 * tree-chrec.c: Same.
2227 * lambda-trans.c: Same.
2228 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2229 VEC instead of VARRAY.
2230 * tree-vectorizer.h: Idem.
2231 * tree-data-ref.c (dump_data_references,
2232 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2233 initialize_data_dependence_relation, finalize_ddr_dependent,
2234 compute_all_dependences, find_data_references_in_loop,
2235 compute_data_dependences_for_loop, analyze_all_data_dependences,
2236 free_dependence_relation, free_dependence_relations,
2237 free_data_refs): Idem.
2238 * tree-data-ref.h (data_reference_p, subscript_p): New.
2239 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2240 VEC instead of VARRAY.
2241 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2242 (find_data_references_in_loop, compute_data_dependences_for_loop,
2243 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2244 dump_data_dependence_relations, free_dependence_relations,
2245 free_data_refs): Adjust declaration.
2246 (lambda_transform_legal_p): Move declaration here...
2247 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2248 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2249 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2250 vect_analyze_data_refs): Use VEC instead of VARRAY.
2251 * lambda.h (lambda_transform_legal_p): ...from here.
2252 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2253 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2254 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2255 tree-chrec.o): Don't depend on VARRAY_H.
2257 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2259 * rtl.def (Copyright): Update date.
2260 (DEPS_LIST): Change type of the second operand to 'int'.
2261 * target.h (Copyright): Update date.
2262 (struct gcc_target.speculate_insn): Change type of the second parameter
2264 * lists.c (Copyright): Update date.
2265 (alloc_DEPS_LIST): Change signature. Update reference to the second
2266 operand of the DEPS_LIST.
2267 (copy_DEPS_LIST_list): Update reference to the second operand of the
2269 * rtl.h (Copyright): Update date.
2270 (alloc_DEPS_LIST): Update signature.
2271 * sched-int.h (Copyright): Update date.
2272 (ds_t): Change typedef to 'int'.
2273 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2275 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2277 * haifa-sched.c (Copyright): Update date.
2278 (try_ready): Change condition to restore non-speculative pattern
2280 (process_insn_depend_be_in_spec): Code to keep probability of the
2281 speculative dependence non-decreasing.
2283 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2285 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2286 shut up the compiler.
2288 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2290 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2291 to use lib prefix for target.
2292 ($(T)libic_invalidate_array_4-200.a): Likewise.
2293 ($(T)libic_invalidate_array_4a.a): Likewise.
2295 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2296 J"orn Rennecke <joern.rennecke@st.com>
2298 * superh.opt: New file.
2299 * sh.c (boardtype, osruntime): Remove.
2300 * superh.h (SUBTARGET_OPTIONS): Remove.
2301 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2303 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2304 arguments with ^ and/or [].
2306 * config.gcc (sh-*-*): Add quoting to account for quirk of
2308 Replace == with = in enable_incomplete_targets test.
2310 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2311 with MASK_LITTLE_ENDIAN.
2313 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2314 * config/sh/sh.opt: Added to some comments.
2315 * config/sh/superh.h: Removed some chaff.
2317 * config/sh/sh.opt: Add m4-[1234]00* options.
2318 * config/sh/sh.c (sh_handle_option): Likewise.
2319 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2320 (ic_invalidate_array_4-100.o): New rule.
2321 ($(T)libic_invalidate_array_4-100.a): Likewise.
2322 (ic_invalidate_array_4-200.o): Likewise.
2323 ($(T)libic_invalidate_array_4-200.a): Likewise.
2324 (ic_invalidate_array_4a.o): Likewise.
2325 ($(T)libic_invalidate_array_4a.a): Likewise.
2326 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2327 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2329 * config/sh/crt1.asm: Merged in profiling code.
2330 * config/sh/superh.h (STARTFILE_SPEC): Override.
2331 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2332 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2333 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2335 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2336 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2337 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2339 * sh.opt (mpretend-cmove): New option.
2340 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2341 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2342 (movsicc): Add TARGET_PRETEND_CMOVE code.
2344 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2346 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2347 s390_class_max_nregs): New function prototypes.
2348 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2349 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2350 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2351 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2353 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2355 * dwarf2out.c (add_location_or_const_value_attribute): Call
2356 tree_add_const_value_attribute if nothing else works.
2357 (reference_to_unused): New.
2358 (rtl_for_decl_init): Use reference_to_unused to decide whether
2359 to output an initializer.
2361 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2364 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2365 peephole removing spe frob_di_df_2.
2367 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2369 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2370 (subscript_dependence_tester_1): Declared.
2371 (print_dir_vectors, print_dist_vectors): New.
2372 (debug_data_dependence_relation): New.
2373 (dump_data_dependence_relation): Print more details.
2374 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2375 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2376 (save_dist_v, save_dir_v, add_outer_distances,
2377 build_classic_dist_vector_1): New.
2378 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2379 Don't test for lambda_vector_lexico_pos.
2380 (same_access_functions, add_multivariate_self_dist,
2381 add_other_self_distances, dir_from_dist): New.
2382 (build_classic_dir_vector): Replace implementation almost identical to
2383 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2385 (subscript_dependence_tester_1): New.
2386 (subscript_dependence_tester): Handle the lexicographically negative
2387 distance vectors by recomputing the dependence relation.
2388 (compute_affine_dependence): Remove parameter loop_nest_depth.
2389 (compute_self_dependence): Don't call compute_subscript_distance.
2390 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2391 Add a parameter for the loop_nest.
2392 (find_loop_nest_1, find_loop_nest): New.
2393 (compute_data_dependences_for_loop): Compute the loop nest, and give
2394 up if the nest is not well formed.
2395 * tree-data-ref.h (loop_p): New.
2396 (struct data_dependence_relation): Replace size_vect field with
2397 loop_nest, a vec of loops.
2398 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2399 (DDR_LOOP_NEST): New.
2400 (print_dir_vectors, print_dist_vectors,
2401 debug_data_dependence_relation): Declared.
2402 (index_in_loop_nest): New.
2403 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2404 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2407 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2409 * simplify-rtx.c (simplify_relational_operation): Call
2410 simplify_relational_operation_1 even if mode is VOIDmode.
2412 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2414 PR tree-optimization/26804
2415 * tree.h (DECL_CALL_CLOBBERED): New macro.
2416 (tree_decl_common): Add call_clobbered_flag.
2417 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2418 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2419 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2420 (mark_non_addressable): Ditto.
2421 * tree-ssa.c (verify_call_clobbered): New function.
2422 (verify_alias_info): Use it.
2423 * tree-pass.h (pass_reset_cc_flags): New prototype.
2424 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2425 (reset_cc_flags): New function.
2426 * passes.c (init_optimization_passes): Call reset_cc_flags after
2427 initializing referenced_vars.
2429 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2430 Roger Sayle <roger@eyesopen.com>
2433 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2434 to 1.0 for non-real operands. Implement A / A optimization for
2437 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2439 * config/i386/i386.c (size_cost): Correct the comment for
2440 cost of storing fp registers.
2441 (i386_cost): Likewise.
2442 (i486_cost): Likewise.
2443 (pentium_cost): Likewise.
2444 (pentiumpro_cost): Likewise.
2445 (k6_cost): Likewise.
2446 (athlon_cost): Likewise.
2447 (k8_cost): Likewise.
2448 (pentium4_cost): Likewise.
2449 (nocona_cost): Likewise.
2450 (generic64_cost): Likewise.
2451 (generic32_cost): Likewise.
2453 2006-03-24 Denis Chertykov <denisc@overta.ru>
2455 * config/avr/avr-protos.h (extra_constraint): Delete.
2456 (extra_constraint_Q): New declaration.
2457 * config/avr/constraints.md: New file.
2458 * config/avr/avr.md: Include it.
2459 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2460 (TMP_REGNO, ZERO_REGNO): Likewise.
2461 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2462 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2463 (extra_constraint): Delete.
2464 (extra_constraint_Q): Test for memory constraint 'Q'.
2465 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2466 (REG_CLASS_FROM_LETTER): Delete.
2467 (CONST_OK_FOR_LETTER_P): Delete.
2468 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2469 (EXTRA_CONSTRAINT): Delete.
2470 (TMP_REGNO): Delete.
2471 (ZERO_REGNO): Delete.
2473 2006-03-24 Jeff Law <law@redhat.com>
2475 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2476 directly. Call mark_new_vars_to_rename slightly earlier.
2478 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2480 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2482 (gen_compile_unit_die): Use new language types for Objective-C and
2484 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2485 DW_LANG_C_plus_plus.
2488 * config/t-darwin (crt3.o): Work around bug 26840.
2489 * config/darwin-crt3.c: Rewrite.
2490 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2492 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2494 * doc/invoke.texi: Document -femit-class-debug-always
2495 * common.opt: Add -femit-class-debug-always.
2497 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2499 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2500 index and base register.
2501 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2502 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2503 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2504 REGNO_OK_FOR_INDEX_P.
2505 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2507 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2508 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2509 REG_OK_FOR_BASE_P): Definitions removed.
2511 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2514 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2515 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2516 set yet or weren't marked as local yet.
2518 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2520 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2523 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2525 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2526 (rs6000_legitimate_small_data_p): Delete.
2527 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2528 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2529 and make static. Add forward declaration. Update uses.
2530 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2531 of offsettable_memref_p.
2532 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2533 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2535 2006-03-24 Jeff Law <law@redhat.com>
2537 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2538 around bug in immediate-use iterator.
2540 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2543 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2544 or __LITTLE_ENDIAN__.
2546 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2548 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2549 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2550 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2551 * config/sh/sh.opt (mdiv=): Amend description.
2552 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2553 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2554 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2555 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2556 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2557 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2558 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2559 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2560 TARGET_DIVIDE_CALL_FP.
2562 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2564 * haifa-sched.c (choose_ready): Fix type of the local variable.
2565 Move local variables. Add comment.
2566 (check_reg_live): Change signature. Make callable from debugger.
2567 * sched-int.h (check_reg_live): Update signature.
2568 * sched-ebb.c (check_reg_live): Update parameters.
2569 * sched-rgn.c (check_reg_live): Ditto.
2570 (region_head_or_leaf_p): Check pointer before dereferencing.
2571 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2572 before reload on optimization levels below 1.
2574 2006-03-23 Richard Henderson <rth@redhat.com>
2576 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2580 * config/alpha/predicates.md (local_symbolic_operand): Reject
2583 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2586 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2587 expressions which have overflowed constants.
2589 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2591 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2593 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2595 * cfgloopmanip.c (create_loop_notes): Removed.
2596 * final.c (final_scan_insn): Do not handle loop notes.
2597 * jump.c (squeeze_notes): Ditto.
2598 * cfglayout.c (skip_insns_after_block,
2599 duplicate_insn_chain): Ditto.
2600 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2602 * cfgloop.h (create_loop_notes): Declaration removed.
2604 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2606 * varasm.c (output_constant_pool): Restore fnname and fndecl
2608 (assemble_start_function): Adjust call accordingly.
2609 (assemble_end_function): Likewise.
2611 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2614 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2617 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2619 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2622 * system.h (ICE_EXIT_CODE): New macro.
2623 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2624 (diagnostic_action_after_output): Likewise.
2625 * gcc.c (fatal_ice): New function.
2626 (execute): Use it instead of fatal.
2627 (fancy_abort): Likewise.
2628 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2630 2006-03-22 Jeff Law <law@redhat.com>
2632 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2633 iv_analyze_result returning false.
2635 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2637 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2639 2006-03-22 Richard Henderson <rth@redhat.com>
2642 * except.c (duplicate_eh_regions_0): New.
2643 (duplicate_eh_region_1): Duplicate the children of the node as
2644 well as the node itself. Link them up properly.
2645 (duplicate_eh_region_2): Merge into ...
2646 (duplicate_eh_regions): ... here. Take copy_region argument, and
2647 copy only a sub-tree if asked. Simplify copying and fixup.
2648 (eh_region_outer_p): New.
2649 * except.h (duplicate_eh_regions): Update decl.
2650 (eh_region_outer_p): Declare.
2651 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2652 (lower_omp_master): Likewise.
2653 (lower_omp_ordered): Likewise.
2654 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2655 (move_stmt_r): Use it to remap labels. Handle recursion vs
2656 remap_decls_p properly.
2657 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2658 (find_outermost_region_in_block): New.
2659 (new_label_mapper): New.
2660 (move_sese_region_to_fn): Copy eh information to the new function
2662 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2664 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2667 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2669 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2670 into shared libraries.
2672 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2674 * doc/md.texi: Refer to i386/constraints.md instead of
2676 * config/i386/constraints.md: New file, extracted from...
2677 * config/i386/predicates.md: ...here.
2678 * config/i386/i386.md: Include constraints.md.
2680 2006-03-21 Jason Merrill <jason@redhat.com>
2682 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2685 * expr.c (init_block_move_fn): Force default visibility.
2686 (init_block_clear_fn): Likewise.
2687 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2688 * targhooks.c (default_external_stack_protect_fail): Likewise.
2690 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2692 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2693 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2694 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2695 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2696 (loadgp): Use mips_current_loadgp_style.
2697 (loadgp_noshared): New pattern.
2698 (sibcall_internal): Use MIPS_CALL.
2699 (sibcall_value_internal): Likewise.
2700 (sibcall_value_multiple_internal): Likewise.
2701 (call_internal): Likewise.
2702 (call_value_internal): Likewise.
2703 (call_value_multiple_internal): Likewise.
2704 (call_split): Use MIPS_CALL and add an 'S' constraint.
2705 (call_value_split): Likewise.
2706 (call_value_multiple_split): Likewise.
2707 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2708 (-mshared): New option.
2709 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2710 (mips_current_loadgp_style): Declare.
2711 * config/mips/mips.c (mips_classify_symbol): Avoid using
2712 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2713 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2714 TARGET_ABSOLUTE_ABICALLS.
2715 (override_options): Adjust comments. Improve the warning that is
2716 issued when -mabicalls and -G are used together.
2717 (mips_file_start): Remove comment.
2718 (mips_current_loadgp_style): New function.
2719 (mips_gnu_local_gp): New variable.
2720 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2722 (mips_output_function_prologue): Use mips_current_laodgp_style.
2723 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2724 the cprestore instruction.
2725 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2726 live for TARGET_ABSOLUTE_ABICALLS.
2727 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2728 (ASM_SPEC): Pass down -mshared and -mno-shared.
2729 (MIPS_CALL): New macro.
2730 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2732 * doc/invoke.texi (-mabicalls): Update documentation.
2733 (-mshared): Document.
2735 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2737 * config/ia64/unwind-hpux.c: New file.
2738 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2740 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2743 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2745 2006-03-21 Jeff Law <law@redhat.com>
2747 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2748 type conversions of a VR_VARYING source to a wider type.
2750 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2752 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2753 tm_file on Solaris 10 and later.
2754 (sparc64-*-solaris2*): Likewise.
2755 (sparc-*-solaris2*): Likewise.
2756 * config/sol26.h: Rename to config/sol2-6.h.
2757 * config/sol2-10.h: New file.
2759 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2762 * tree-ssa-pre.c (create_component_ref_by_pieces):
2765 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2768 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2769 return it immediately.
2771 2006-03-21 Michael Matz <matz@suse.de>
2773 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2775 (remove_arc, add_arc): Update num_out_arcs member.
2776 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2778 (cache_presence): New function.
2779 (compare_states_for_equiv): New function.
2780 (state_is_differed): Don't take number of outargs, adjust callers.
2781 Use new invariant for speeding up.
2782 (init_equiv_class): Create initial classes based on sorted
2784 (partition_equiv_class): Don't track out_arcs_num.
2785 (evaluate_equiv_classes): Call cache_presence on all states and
2788 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2790 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2791 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2792 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2793 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2795 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2796 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2797 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2798 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2799 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2801 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2802 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2803 (REGNO_REG_CLASS): ARGP is in PREGS.
2804 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2806 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2807 to deal with those addresses.
2808 * addresses.h: New file.
2809 * caller-save.c: Include "addresses.h".
2810 (init_caller_save): Use new base_reg_class function.
2811 * rtl-factoring.c: Include "addresses.h".
2812 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2813 * recog.c: Include "addresses.h".
2814 (preprocess_constraints): Use new base_reg_class function.
2815 * regrename.c: Include "addresses.h".
2816 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2817 functions. Keep track of a new var INDEX_CODE to compute valid
2819 (replace_oldest_value_addr): Likewise.
2820 (replace_oldest_value_mem): Use base_reg_class.
2821 * reload.c: Include "addresses.h".
2822 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2823 (find_reloads): Use new base_reg_class function.
2824 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2825 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2826 all callers and prototype changed.
2827 * reload1.c: Include "addresses.h".
2828 (maybe_fix_stack_asms): Use base_reg_class.
2829 * regclass.c: Include "addresses.h".
2830 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2831 (init_reg_autoinc): Use new base_reg_class function.
2832 (record_reg_classes): Likewise.
2833 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2834 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2835 Use new args to compute necessary class.
2837 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2838 regrename.o, rtl-factoring.o): Update dependencies.
2839 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2840 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2841 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2842 REG_OK_FOR_INDEX_P): Delete documentation.
2844 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2846 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2847 from V7 to V9 for Solaris 7 and above.
2849 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2851 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2852 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2853 argument pointers may not alias any other storage.
2854 * common.opt: Define option -fargument-noalias-anything.
2855 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2856 alias semantics is specified by flag_argument_noalias > 2.
2858 2006-03-20 Jeff Law <law@redhat.com>
2860 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2861 (pass_phi_only_cprop): Declare.
2862 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2864 * tree-ssa-dom.c (degenerate_phi_result): New function.
2865 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2866 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2867 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2868 (eliminate_degenerate_phis): Likewise.
2869 (pass_phi_only_cprop): New pass descriptor.
2870 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2871 support code. Callers updated.
2872 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2873 (store_copy_prop): Likewise.
2874 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2876 2006-03-20 Jason Merrill <jason@redhat.com>
2879 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2880 (push_visibility, pop_visibility): Likewise.
2881 * c-pragma.h: Declare them.
2883 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2885 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2887 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2888 parameter and use get_ebb_head_tail.
2889 (sh_md_init_global): Adjust uses of find_regmode_weight.
2891 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2893 * function.h (struct function) <x_tail_recursion_reentry>:
2894 Rename to x_stack_check_probe_note.
2895 (tail_recursion_reentry): Rename to stack_check_probe_note.
2896 * function.c: Replace tail_recursion_reentry with
2897 stack_check_probe_note everywhere.
2898 (expand_function_start): Only emit a note for
2899 stack_check_probe_note with -fstack-protect.
2900 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2902 * emit-rtl.c (remove_unnecessary_notes): Remove.
2903 (pass_remove_unnecessary_notes): Remove.
2904 * rtl.h (remove_unnecessary_notes): Remove prototype.
2905 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2906 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2907 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2909 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2912 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2913 (valid_in_set): Handle ARRAY_REF.
2914 Change "if min_variant or VH" to asserts.
2915 (create_component_ref_by_pieces): Handle ARRAY_REF.
2916 (create_expression_by_pieces): Likewise.
2917 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2919 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2921 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2922 is operand of switch, not str[0].
2924 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2926 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2927 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2929 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2931 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2932 end of insn_extra_address_constraint declaration.
2934 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2936 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2937 (no-sum-in-toc): Same.
2938 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2940 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2941 NO_FP_IN_TOC for -fPIC instead of mask.
2943 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2944 (BOOT_LDFLAGS): Delete.
2946 * config/rs6000/t-aix52: Same.
2948 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2949 (stmsi[345678]_power): New.
2951 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2953 * config/ia64/ia64.opt: Add empty line to end of file.
2955 2006-03-17 Richard Guenther <rguenther@suse.de>
2958 * builtins.c (get_pointer_alignment): For component style references
2959 adjust alignment to the component type alignment. Make sure
2960 to adjust alignment for component access of constants.
2962 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2964 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2967 2006-03-17 Paul Brook <paul@codesourcery.com>
2969 * doc/install.texi: Docuemnt --with-mode.
2970 * config.gcc: Add --with-mode for arm*-*-*.
2971 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2973 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2975 * sh.c (max_labelno_before_reorg): New variable.
2976 (sh_reorg): Initialize it.
2977 (find_barrier): Check max_labelno_before_reorg before using
2978 label_to_alignment. Take length of explicit alignment insns
2979 into account. When seeing a UNSPECV_CONST_END, return it.
2981 * sh.c (fixup_mova): Set mode of affected label to QImode.
2982 (untangle_mova): New function.
2983 (find_barrier): Use it. Check mode of label before decrementing
2985 (sh_reorg): Likewise.
2986 Set mode of all insns back to VOIDmode.
2988 * sh.c (MOVA_LABELREF): New macro.
2989 (mova_p, fixup_mova, sh_reorg): Use it.
2990 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2991 ADDR_DIFF_VEC matches mova.
2993 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2995 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2996 with ATTRIBUTE_UNUSED.
2998 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3000 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3001 pointer, instead of assuming it is possible to derive the
3002 correct args size from a call insn.
3004 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3006 * rtl.h (CONST_INT_P): Define.
3007 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3008 instead of GET_CODE(x) == CONST_INT.
3009 (vax_rtx_costs): Likewise.
3010 (vax_output_int_move): Likewise.
3011 (vax_output_int_add): Likewise.
3012 (legitimate_constant_address_p): Likewise.
3013 (index_term_p): Likewise.
3014 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3015 * config/vax/vax.md (and<mode>3): Likewise.
3016 (ashrsi3): Likewise.
3018 (movstricthi): Likewise.
3019 (movstrictqi): Likewise.
3020 (rotrsi3): Likewise.
3021 (five unnamed insns): Likewise.
3023 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3025 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3026 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3027 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3028 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3029 Pass to ASM_OUTPUT_DWARF_OFFSET.
3030 * dwarf2out.c (debug_frame_section): New.
3031 (output_call_frame_info): Use debug_frame_section. Pass it to
3032 dw2_asm_output_offset.
3033 (output_die): Pass appropriate section to dw2_asm_output_offset.
3034 (output_compilation_unit_header): Likewise.
3035 (output_pubnames): Likewise.
3036 (output_aranges): Likewise.
3037 (enum dw_val_class): Break dw_val_class_lbl_offset into
3038 dw_val_class_lineptr and dw_val_class_macptr.
3039 (add_AT_lbl_offset): Delete.
3040 (add_AT_lineptr): New.
3041 (add_AT_macptr): New.
3042 (AT_lbl): Expect a lineptr or macptr.
3043 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3044 (attr_checksum): Likewise.
3045 (same_dw_val_p): Likewise.
3046 (size_of_die): Likewise.
3047 (value_format): Likewise.
3048 (output_die): Likewise.
3049 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3051 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3052 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3053 * config/darwin-protos.h (darwin_file_start): New.
3054 (darwin_asm_output_dwarf_offset): New.
3055 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3056 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3058 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3059 if not EH section; simplify.
3060 (darwin_file_start): New.
3061 (darwin_asm_output_dwarf_offset): New.
3062 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3064 (DEBUG_INFO_SECTION): Likewise.
3065 (DEBUG_ABBREV_SECTION): Likewise.
3066 (DEBUG_ARANGES_SECTION): Likewise.
3067 (DEBUG_MACINFO_SECTION): Likewise.
3068 (DEBUG_LINE_SECTION): Likewise.
3069 (DEBUG_LOC_SECTION): Likewise.
3070 (DEBUG_PUBNAMES_SECTION): Likewise.
3071 (DEBUG_STR_SECTION): Likewise.
3072 (DEBUG_RANGES_SECTION): Likewise.
3073 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3074 (ASM_OUTPUT_DWARF_OFFSET): New.
3076 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3078 * config.gcc (tm_defines): Always add to previous value rather
3081 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3083 * config/mips/predicates.md (splittable_const_int_operand): New,
3084 split from move_operand.
3085 (splittable_symbolic_operand): New.
3086 (move_operand): Add commentary. Use splittable_const_int_operand.
3087 Inline mips_atomic_symbolic_constant_p.
3088 * config/mips/mips.md: Add combine splitters for handling moves
3089 of splittable_const_int_operands and splittable_symbolic_operands.
3090 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3091 (mips_split_symbol): Declare.
3092 (mips_move_integer): Declare.
3093 * config/mips/mips.c (mips_split_p): Make global.
3094 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3095 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3096 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3097 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3098 (mips_offset_within_object_p): Handle block symbols.
3099 (mips_atomic_symbolic_constant_p): Delete.
3100 (mips_cannot_force_const_mem): Return false for constants that
3101 mips_legitimize_move can handle.
3102 (mips_use_blocks_for_constant_p): New function.
3103 (mips_split_symbol): Make global.
3104 (mips_move_integer): Likewise. Add a temporary register argument.
3105 (mips_legitimize_const_move): Use splittable_const_int_operand and
3106 splittable_symbolic_operand.
3107 (mips_use_anchors_for_symbol_p): New function.
3108 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3109 (mips_split_p): Declare.
3111 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3113 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3114 (mips*-*-linux*): Likewise.
3116 2006-03-16 Roger Sayle <roger@eyesopen.com>
3117 Daniel Speyer <dspeyer@wam.umd.edu>
3120 * tree-dump.c (dump_real): New function.
3121 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3122 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3123 (tree-dump.o): Add $(REAL_H) to the dependencies.
3125 2006-03-16 Roger Sayle <roger@eyesopen.com>
3128 * real.c (real_from_string): If the mantissa is zero, don't bother
3129 parsing the exponent as the result should always be zero.
3131 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3133 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3135 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3137 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3138 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3139 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3140 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3141 ia64_sched_finish_global): New static functions to implement
3142 hooks from gcc_target.sched.
3143 (spec_check_no, max_uid, pending_data_specs): New static variables.
3144 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3145 ia64_spec_check_src_p): New static functions.
3146 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3147 (TARGET_SCHED_ADJUST_COST): Removed.
3148 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3149 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3150 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3151 TARGET_SCHED_GEN_CHECK,
3152 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3153 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3154 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3155 Fixed to handle speculation checks.
3156 (rtx_needs_barrier): Fixed to handle speculative loads and
3158 (ia64_variable_issue): Added code to count speculative loads and their
3160 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3162 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3164 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3166 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3167 (ia64_reorg): Reset stops_p to NULL after it is freed.
3168 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3169 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3170 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3172 (data_speculative, control_speculative, check_load): New attributes.
3173 (mov<mode>_advanced, mov<mode>_speculative,
3174 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3175 zero_extend<mode>di2_speculative,
3176 zero_extend<mode>di2_speculative_advanced): New patterns for
3177 data and control speculative loads.
3178 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3180 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3181 New pattern for data and control speculation checks.
3182 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3183 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3184 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3185 Auxiliary definitions for the patterns.
3186 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3187 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3189 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3191 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3192 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3193 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3194 New resource constraints.
3195 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3197 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3198 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3199 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3200 msched-in-control-spec, msched-ldc, msched-control-ldc,
3201 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3202 msched-prefer-non-control-spec-insns,
3203 msched-count-spec-in-critical-path): New flags to tune speculative
3205 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3206 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3207 msched-in-control-spec, msched-ldc, msched-control-ldc,
3208 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3209 msched-prefer-non-control-spec-insns,
3210 msched-count-spec-in-critical-path): Document new flags.
3212 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3214 * target.h (struct spec_info_def): New opaque declaration.
3215 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3216 speculate_insn, needs_block_p, gen_check,
3217 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3218 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3219 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3220 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3221 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3222 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3224 (TARGET_SCHED): Use new macros.
3225 * rtl.h (copy_DEPS_LIST_list): New prototype.
3226 * sched-int.h (struct sched_info): Change signature of new_ready field,
3227 adjust all initializations. New fields: add_remove_insn,
3228 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3229 region_head_or_leaf_p.
3230 (struct spec_info_def): New structure declaration.
3231 (spec_info_t): New typedef.
3232 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3233 recovery_block, orig_pat.
3234 (glat_start, glat_end): New variables declaraions.
3235 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3237 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3238 DETACH_LIFE_INFO, USE_GLAT.
3239 (enum SPEC_SCHED_FLAGS): New enumeration.
3240 (NOTE_NOTE_BB_P): New macro.
3241 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3242 attach_life_info, debug_spec_status, check_reg_live): New functions.
3243 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3244 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3246 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3247 * ddg.c (get_block_head_tail): Adjust all uses.
3248 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3249 (sms_sched_info): Initialize new fields.
3250 (contributes_to_priority): Removed.
3251 * haifa-sched.c (params.h): New include.
3252 (get_block_head_tail): Adjust all uses.
3253 (ISSUE_POINTS): New macro.
3254 (glat_start, glat_end): New global variables.
3255 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3256 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3257 old_last_basic_block, before_recovery, current_sched_info_var,
3258 rgn_n_insns, luid): New static variables.
3259 (insn_cost1): New function. Move logic from insn_cost to here.
3260 (find_insn_reg_weight1): New function. Move logic from
3261 find_insn_reg_weight to here.
3262 (reemit_notes, move_insn, max_issue): Change signature.
3263 (move_insn1): Removed.
3264 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3265 extend_bb): New static functions to support extension of scheduler's
3267 (generate_recovery_code, process_insn_depend_be_in_spec,
3268 begin_speculative_block, add_to_speculative_block,
3269 init_before_recovery, create_recovery_block, create_check_block_twin,
3270 fix_recovery_deps): New static functions to support
3271 generation of recovery code.
3272 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3273 restore_bb_notes, move_block_after_check, move_succs): New static
3274 functions to support ebb scheduling.
3275 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3276 functions to support handling of register live information.
3277 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3278 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3279 add_jump_dependencies): New static functions.
3280 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3281 consistancy checking.
3282 (debug_spec_status): New function to call from debugger.
3283 (priority): Added code to handle speculation checks.
3284 (rank_for_schedule): Added code to distinguish speculative instructions.
3285 (schedule_insn): Added code to handle speculation checks.
3286 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3287 Fixed to handle ebbs.
3288 (move_insn): Added code to handle ebb scheduling.
3289 (max_issue): Added code to use ISSUE_POINTS of instructions.
3290 (choose_ready): Added code to choose between speculative and
3291 non-speculative instructions.
3292 (schedule_block): Added code to handle ebb scheduling and scheduling of
3293 speculative instructions.
3294 (sched_init): Initialize new variables.
3295 (sched_finish): Free new variables. Print statistics.
3296 (try_ready): Added code to handle speculative instructions.
3297 * lists.c (copy_DEPS_LIST_list): New function.
3298 * sched-deps.c (extend_dependency_caches): New function. Move logic
3299 from create_dependency_caches to here.
3300 (get_dep_weak, ds_merge): Make global.
3301 * genattr.c (main): Code to output prototype for
3302 dfa_clear_single_insn_cache.
3303 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3304 (output_dfa_clean_insn_cache_func): Code to output
3305 dfa_clear_single_insn_cache function.
3306 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3308 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3310 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3311 New static variables.
3312 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3313 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3315 (ebb_sched_info): Initialize new fields.
3316 (get_block_head_tail): Adjust all uses.
3317 (compute_jump_reg_dependencies): Fixed to use glat_start.
3318 (schedule_ebb): Code to remove unreachable last block.
3319 (schedule_ebbs): Added code to update register live information.
3320 * sched-rgn.c (region_sched_info): Initialize new fields.
3321 (get_block_head_tail): Adjust all uses.
3322 (last_was_jump): Removed. Adjust users.
3323 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3324 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3325 Implement new hooks.
3326 (check_dead_notes1): New static function.
3327 (struct region): New fields: dont_calc_deps, has_real_ebb.
3328 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3329 (BB_TO_BLOCK): Fixed to handle EBBs.
3330 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3331 (ebb_head): New static variable.
3332 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3333 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3335 (compute_dom_prob_ps): New assertion.
3336 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3337 global_live_at_start.
3338 (init_ready_list): New assertions.
3339 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3340 (new_ready): Add support for BEGIN_CONTROL speculation.
3341 (schedule_insns): Fixed code that updates register live information
3343 (schedule_region): Fixed to handle EBBs.
3344 (init_regions): Use extend_regions and check_dead_notes1.
3345 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3346 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3347 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3348 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3349 TARGET_SCHED_GEN_CHECK,
3350 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3351 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3352 * doc/invoke.texi (max-sched-insn-conflict-delay,
3353 sched-spec-prob-cutoff): Document.
3355 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3357 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3358 inter_tick, queue_index.
3359 (struct sched_info): Change signature of init_ready_list field.
3360 Adjust all initializations.
3361 (RESOLVED_DEPS): New access macro.
3362 (ready_add): Remove prototype.
3363 (try_ready): Add prototype.
3364 * sched-rgn.c (init_ready_list): Use try_ready.
3365 (schedule_region): Initialize
3366 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3367 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3368 (init_ready_list): Use try_ready.
3369 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3370 * lists.c (remove_list_elem): Remove `static'.
3371 (remove_free_INSN_LIST_elem): New function.
3372 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3373 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3374 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3376 (readyp): New variable.
3377 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3378 change_queue_index, resolve_dep): New static functions.
3379 (try_ready): New function. Adjust callers in sched-rgn.c and
3380 sched-ebb.c to use it instead of ready_add.
3381 (clock_var): Move at the begining of file.
3382 (rank_for_schedule): Fix typo.
3383 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3384 (ready_lastpos): Enforce assertion.
3385 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3387 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3388 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3389 (queue_to_ready): Use free_INSN_LIST_list.
3390 (early_queue_to_ready): Fix typo.
3391 (schedule_block): Init readyp. Move init_ready_list call after the
3392 initialization of clock_var. Fix error in rejecting insn by
3393 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3394 that previously corrected INSN_TICKs. Add code for handling
3396 (set_priorities): Fix typo.
3397 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3398 Clarify comment and code that keeps current_sched_info->next_tail
3401 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3403 * sched-rgn.c (extend_rgns): New static function.
3404 (find_rgns): Use it.
3405 (gather_region_statistics, print_region_statistics): New static
3407 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3408 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3410 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3411 Andrey Belevantsev <abel@ispras.ru>
3413 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3414 * lists.c (unused_deps_list): New variable.
3415 (free_list): Add assertions to verify the proper distinguishing
3416 between INSN_LISTs and DEPS_LISTs.
3417 (find_list_elem, remove_list_elem, remove_list_node): New static
3419 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3420 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3421 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3422 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3424 (free_INSN_LIST_node): Likewise.
3425 * modulo-sched.c (current_sched_info): Initialize flags field.
3426 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3427 * rtl.def (DEPS_LIST): Define.
3428 * rtl.h: Declare new functions from lists.c.
3429 * sched-deps.c (spec_dependency_cache): New static variable.
3430 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3431 (add_dependence): Change return type to void. Move the logic to ...
3432 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3433 (delete_all_dependences): Add comment about forward_dependency_cache.
3434 Handle spec_dependency_cache. Handle DEPS_LISTs.
3435 (fixup_sched_groups): Clarify the change of priority of output
3436 and anti dependencies.
3437 (sched_analyze_2): Adjust add_dependence calls to create data
3438 speculative dependence.
3439 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3440 Adjust all callers. Handle DEPS_LISTS.
3441 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3442 presence of speculation.
3443 (init_dependency_caches, free_dependency_caches):
3444 Handle spec_dependency_cache.
3445 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3446 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3447 New static functions.
3448 (add_or_update_back_dep, add_or_update_back_forw_dep,
3449 add_back_forw_dep, delete_back_forw_dep): New functions.
3450 * sched-int.h (ds_t, dw_t): New typedefs.
3451 (struct sched_info): Add new field flags.
3452 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3453 Prototype new sched-deps.c functions.
3454 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3455 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3456 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3457 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3458 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3459 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3461 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3463 * sched-rgn.c (current_sched_info): Initialize flags field.
3464 (schedule_insns): Initialize current_sched_info before the sched_init
3466 * sched-ebb.c (current_sched_info): Initialize flags field.
3467 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3468 Call add_or_update_back_dep instead of add_dependence.
3469 Create control speculative dependencies.
3470 (schedule_insns): Initialize current_sched_info before the sched_init
3473 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3475 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3477 (sh_fallback_frame_state): Likewise.
3479 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3481 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3482 Do switch on default_use_cxa_atexit.
3483 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3484 * config/darwin-crt3.o: New.
3485 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3486 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3487 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3489 * config/rs6000/t-darwin: Move crt2.o building to here.
3490 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3491 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3494 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3496 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3497 from '! xxx' to '!xxx' for coding-style conformance.
3498 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3499 (EXTRA_CONSTRAINT): Likewise.
3500 * config/vax/vax.md (four unnamed insns): Likewise.
3502 2006-03-15 Paul Brook <paul@codesourcery.com>
3504 * config/arm/arm.c (minipool_pad): New.
3505 (add_minipool_forward_ref): Include pool alignment padding in address
3507 (push_minipool_fix): Set minipool_pad.
3508 (minipool_pad): Ditto.
3510 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3512 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3513 instead of GET_CODE() == MEM and REG_P() instead of
3515 (print_operand_address): Likewise.
3516 (vax_address_cost): Likewise.
3517 (vax_rtx_costs): Likewise.
3518 (vax_notice_update_cc): Likewise.
3519 (vax_output_int_add): Likewise.
3520 (INDEX_REGISTER_P): Likewise.
3521 (BASE_REGISTER_P): Likewise.
3522 (nonindexed_address_p): Likewise.
3523 (vax_mode_dependent_address_p): Likewise.
3524 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3525 (PRINT_OPERAND): Likewise.
3526 * config/vax/vax.md (ashlsi3): Likewise.
3527 (ashlsi3): Likewise.
3528 (some more unnamed insns): Likewise.
3530 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3532 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3533 iterator-style macro.
3534 (mark_control_dependent_edges_necessary): Update the use of
3535 EXECUTE_IF_CONTROL_DEPENDENT.
3537 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3539 * config/sh/predicates.md (cache_address_operand): Special.
3540 (ua_address_operand): Likewise.
3542 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3544 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3546 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3548 2006-03-15 Andreas Schwab <schwab@suse.de>
3550 * gensupport.c (identify_predicable_attribute): Don't free p_false
3551 when it is still in use.
3553 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3555 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3556 the default setting here.
3558 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3560 * tree-pass.h (pass_cfg): Remove.
3561 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3562 * passes.c (pass_cfg): Don't run it.
3564 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3566 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3567 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3569 (stack_regs_mentioned): Update the uses of
3570 stack_regs_mentioned_data. Don't access the array beyond its
3572 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3573 Don't include gt-reg-stack.h.
3575 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3576 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3578 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3581 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3584 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3586 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3588 2006-03-14 Richard Guenther <rguenther@suse.de>
3590 PR tree-optimization/26672
3591 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3594 2006-03-14 Richard Guenther <rguenther@suse.de>
3596 PR tree-optimization/26667
3597 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3598 node for the callees. Always allow inlining if it will shrink
3601 2006-03-14 Richard Guenther <rguenther@suse.de>
3604 * builtins.c (get_pointer_alignment): Prefer alignment
3605 information from decls over that from types.
3607 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3610 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3612 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3614 * config/rs6000/rs6000.opt (mdlmzb): New option.
3615 (msched-prolog, msched-epilog): Use Var not Mask.
3616 * doc/invoke.texi (-mdlmzb): Document.
3617 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3619 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3620 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3622 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3624 PR rtl-optimization/25739
3625 * bt-load.c (augment_live_range): Free tos pointer.
3627 * gensupport.c (identify_predicable_attribute): Free
3629 * gcov.c (create_file_names): Free name pointer.
3631 2006-03-13 Roger Sayle <roger@eyesopen.com>
3634 * stmt.c (emit_case_nodes): Handle the case where the index is a
3635 CONST_INT, where the comparison mode is specified by the index type.
3637 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3639 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3642 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3644 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3645 (*branch_fp_inverted): Likewise.
3647 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3650 * omp-low.c (expand_omp_for_generic): Mark istart0
3651 and iend0 as addressable.
3653 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3655 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3657 2006-03-13 Jeff Law <law@redhat.com>
3659 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3660 virtual operands are interesting.
3661 (vrp_visit_stmt): Corresponding changes.
3663 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3665 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3667 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3668 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3669 * config/bfin/crti.S: Use it instead of __PIC__.
3670 * config/bfin/crtn.S: Likewise.
3672 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3673 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3675 Lose 'G' modifier for call operand.
3676 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3677 recognize 'G' modifier.
3679 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3682 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3683 * stmt.c (expand_case): Likewise.
3685 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3687 PR rtl-optimization/26254
3688 * loop-invariant.c (seq_insns_valid_p): New function.
3689 (move_invariant_reg): Only emit new code if it is valid.
3691 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3693 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3695 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3696 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3697 (commit_one_edge_insertion): Do not look for loop notes.
3699 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3701 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3702 flag_test_coverage out of loop.
3704 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3706 * final.c (shorten_branches): Remove outdated comment, and turn
3707 the if branch that guards it to continue.
3709 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3711 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3712 * cfgloop.h (struct loop): Remove unused fields.
3714 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3716 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3717 (-dL, -fdump-rtl-loop2): Update the dump file names
3719 * doc/invoke.texi: Update dump file names.
3721 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3723 * predict.c (estimate_probability): Remove.
3724 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3725 * basic-block.h (estimate_probability): Remove prototype.
3726 * passes.c (finish_optimization_passes): Dump branch prediction or
3727 profiling heuristics to the .profile tree dump.
3728 (init_optimization_passes): Unqueue pass_branch_prob.
3730 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3732 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3734 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3735 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3737 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3739 * function.h (frame_offset_overflow): Declare.
3740 * function.c (frame_offset_overflow): New function.
3741 (assign_stack_local_1): Call it to detect that the offset overflows.
3742 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3744 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3746 * config/sh/sh.c: Include alloc-pool.h.
3747 (label_ref_list_pool): New alloc pool.
3748 (label_ref_list_t): New type for lists of labels.
3749 (struct pool_node): Make wend a label_ref_list_t.
3750 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3752 (dump_table): Likewise.
3753 (sh_reorg): Set up the alloc pool before using add_constant and
3754 dump_table, and destroy it when finishing.
3756 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3758 * config/mips/mips.c: Remove redundant comment.
3760 2006-03-10 Jason Merrill <jason@redhat.com>
3763 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3764 the target was declared 'register'.
3766 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3768 * genpreds.c (write_insn_constraint_len): Change definition of
3769 insn_constraint_len to return size_t to match the declaration.
3771 2006-03-10 DJ Delorie <dj@redhat.com>
3773 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3775 (m32c_expand_insv): Fix test for an AND mask.
3777 2006-03-10 Richard Guenther <rguenther@suse.de>
3780 * builtins.c (get_pointer_alignment): Handle component
3781 references for field alignment.
3783 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3785 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3786 when building with libgloss.
3787 (sh*elf): Implement --without-fp option.
3788 (sh64-superh-linux*): Don't multilib.
3790 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3792 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3794 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3796 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3797 Set it when one of the replacement functions returned true.
3798 Return TODO_cleanup_cfg if cfgchanged is true.
3799 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3801 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3803 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3804 instead of gen_lowpart.
3806 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3808 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3810 (mips_output_order_conditional_branch): Declare.
3811 * config/mips/mips.h (MIPS_BRANCH): New macro.
3812 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3813 for the comparison. Use gen_condjump.
3814 (mips_output_conditional_branch): Rework interface to take the
3815 asm templates for a direct branch and the inverse of a direct branch.
3816 (mips_output_order_conditional_branch): New function.
3817 (mips_builtin_branch_and_move): New function.
3818 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3819 branch condition. Use gen_single_cc as the condition for
3820 __builtin_mips_upper_* or __builtin_mips_lower_*.
3821 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3822 Use VOIDmode for the branch condition.
3823 * config/mips/predicates.md (order_operator): New predicate.
3824 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3825 (branch_fp): Rename to...
3826 (*branch_fp): ...this. Remove mode from comparison operator.
3827 Use new mips_output_conditional_branch interface.
3828 (branch_fp_inverted): Rename to...
3829 (*branch_fp_inverted): ...this and update as for *branch_fp.
3830 (*branch_zero<mode>): Rename to...
3831 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3832 Use mips_output_order_conditional_branch. Only accept ordered
3834 (*branch_zero<mode>_inverted): Rename to...
3835 (*branch_order<mode>_inverted): ...this and update as for
3836 *branch_order<mode>.
3837 (*branch_equality<mode>): Accept zero as the second operand to
3838 the equality operator. Use the new mips_output_conditional_branch
3840 (*branch_equality<mode>_inverted): Likewise.
3841 (condjump): New expander.
3842 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3844 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3845 (bc1any2t, bc1any2f): Likewise.
3846 (single_cc): New expander.
3847 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3849 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3851 * doc/md.texi: Update documentation of MIPS constraints.
3852 * config/mips/constraints.md: New file.
3853 * config/mips/mips.md: Include it.
3854 * config/mips/mips.c (mips_char_to_class): Delete.
3855 (override_options): Don't initialize mips_char_to_class.
3856 * config/mips/mips.h (mips_char_to_class): Delete.
3857 (REG_CLASS_FROM_LETTER): Delete.
3858 (CONST_OK_FOR_LETTER_P): Delete.
3859 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3860 (EXTRA_CONSTRAINT_Y): Delete.
3861 (EXTRA_CONSTRAINT_STR): Delete.
3862 (CONSTRAINT_LEN): Delete.
3863 (EXTRA_MEMORY_CONSTRAINT): Delete.
3865 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3867 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3868 original fn's eh regions.
3870 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3872 * fold-const.c (build_range_check): Make sure to use a valid type to
3873 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3876 (range_predecessor): New static function.
3877 (range_successor): Likewise.
3878 (merge_ranges): Use them to compute predecessors and successors of
3881 2006-03-09 Roger Sayle <roger@eyesopen.com>
3884 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3885 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3887 2006-03-08 DJ Delorie <dj@redhat.com>
3889 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3890 (addpsi3): Expand to include memory operands. Remove
3891 reload-specific splits.
3892 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3893 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3894 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3895 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3896 (shift1_qi, shift1_hi, insv): New.
3897 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3898 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3899 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3901 * config/m32c/m32c-protos.h: Update as needed.
3902 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3903 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3904 Fail for unrecognized R* constraints.
3905 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3906 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3907 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3909 (m32c_init_libfuncs): New.
3910 (m32c_legitimate_address_p): Add debug wrapper.
3911 (m32c_rtx_costs): New.
3912 (m32c_address_cost): New.
3913 (conversions): Add 'B' prefix.
3914 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3915 operands, or word regnames for QI operands. 'B' prints bit
3917 (m32c_expand_setmemhi): New.
3918 (m32c_expand_movmemhi): New.
3919 (m32c_expand_movstr): New.
3920 (m32c_expand_cmpstr): New.
3921 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3922 (m32c_expand_neg_mulpsi3): Handle non-ints.
3923 (m32c_cmp_flg_0): New.
3924 (m32c_expand_movcc): New.
3925 (m32c_expand_insv): New.
3926 (m32c_scc_pattern): New.
3927 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3928 a0/a1 out of SIregs.
3929 (STORE_FLAG_VALUE): New.
3930 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3933 * config/m32c/mov.md: Make constraints more liberal.
3934 (zero_extendqihi2): Optimize r0/r1 case.
3935 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3936 * config/m32c/predicates.md (m32c_any_operand): New.
3937 (m32c_nonimmediate_operand): New.
3938 (m32c_hl_operand): New.
3939 (m32c_r3_operand): New.
3942 (memsym_operand): New.
3943 (memimmed_operand): New.
3944 (a_qi_operand): New.
3945 (m32c_eqne_operator): New.
3946 (m32c_1bit8_operand): New.
3947 (m32c_1bit16_operand): New.
3948 (m32c_1mask8_operand): New.
3949 (m32c_1mask16_operand): New.
3950 * config/m32c/blkmov.md: New file.
3951 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3953 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3955 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3956 unsigned to fix signed/unsigned comparison issue in
3957 DWARF2_FRAME_REG_OUT.
3958 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3959 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3961 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3962 of ptr into the ENABLE_CHECKING section.
3964 2006-03-08 Jeff Law <law@redhat.com>
3966 * tree-vrp.c (infer_value_range): Only count pointer uses
3967 and dereferences if -fdelete-null-pointer-checks is enabled.
3969 * tree-vrp.c (find_assert_locations): Infer value ranges for
3970 single use pointers, but do not create ASSERT_EXPRs for them.
3971 When a non-null range is inferred for a pointer, backwards
3972 propagate that range to other equivalent pointers through the
3975 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3978 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3979 language hook targets.
3980 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3981 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3982 if language hook targets were missing.
3984 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3986 * tree-ssa-opfinalize.h: Removed.
3987 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3989 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3990 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3991 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3992 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3993 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3994 finalize_ssa_v_must_def_ops): New.
3996 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3998 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4001 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4003 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4005 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4006 addresses with offsets; reorganize.
4008 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4009 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4010 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4012 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4015 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4017 2006-03-08 Ben Elliston <bje@au.ibm.com>
4019 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4021 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4024 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4027 2006-03-07 Richard Guenther <rguenther@suse.de>
4029 PR tree-optimization/26587
4030 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4032 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4034 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4036 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4038 * hooks.c (hook_bool_mode_rtx_true): New function.
4039 * hooks.h (hook_bool_mode_rtx_true): Declare.
4040 * toplev.c (compile_file): Call output_shared_constant_pool.
4041 * varasm.c (shared_constant_pool): New variable.
4042 (assemble_start_function, assemble_end_function): Remove arguments
4043 from call to output_constant_pool.
4044 (create_constant_pool): New function, split out from...
4045 (init_varasm_status): ...here.
4046 (force_const_mem): Choose between the shared and per-function constant
4047 pools. Set current_function_uses_const_pool when reusing old entries
4048 as well as when creating new ones.
4049 (mark_constant): Ignore data argument.
4050 (mark_constants): Remove pool argument.
4051 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4052 to decide whether the function uses a constant pool.
4053 (output_constant_pool_contents): New function, split out from...
4054 (output_constant_pool): ...here.
4055 (output_shared_constant_pool): New function.
4056 (init_varasm_once): Initialize shared_constant_pool.
4057 * output.h (output_constant_pool): Delete.
4058 (output_shared_constant_pool): Declare.
4059 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4060 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4062 2006-03-06 Nick Clifton <nickc@redhat.com>
4064 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4065 flag_strength_reduce.
4067 2006-03-06 Ben Elliston <bje@au.ibm.com>
4069 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4070 x86_64-*-linux* configurations.
4072 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4073 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4075 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4077 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4079 * basic-block.h: Remove the extern for
4080 rediscover_loops_after_threading.
4082 * cfgloop.c (cancel_loop): Make it static.
4083 * cfgloop.h: Remove the prototype for cancel_loop.
4085 * flow.c (recompute_reg_usage): Make it static.
4086 * rtl.h: Remove the prototype for recompute_reg_usage.
4088 * function.c (use_return_register): Make it static.
4089 * function.h: Remove the prototype.
4091 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4093 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4095 * recog.h: Remove the prototype for
4096 validate_change_maybe_volatile.
4098 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4100 * rtlanal.c (replace_reg): Remove.
4101 * rtl.h: Remove the prototype for replace_reg.
4103 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4105 * regclass.c (reg_scan_update): Remove.
4106 (reg_scan_mark_refs): Remove the last argument.
4107 * rtl.h: Remove the prototype for reg_scan_update.
4109 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4111 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4112 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4113 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4114 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4115 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4116 loop-invariant.c, omp-low.c, opts.c, passes.c,
4117 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4118 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4119 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4120 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4121 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4122 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4124 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4126 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4127 * dwarf2out.h: Remove the prototype for
4128 dwarf2out_add_library_unit_info.
4130 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4132 * tree.c (add_var_to_bind_expr): Remove.
4133 * tree.h: Remove the prototype for add_var_to_bind_expr.
4135 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4137 * regclass.c (n_non_fixed_regs): Remove.
4138 (init_reg_sets_1, globalize_reg): Remove all uses of
4140 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4142 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4144 * rtlanal.c (insns_safe_to_move_p): Remove.
4145 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4147 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4149 * expmed.c (expand_mult_add): Remove.
4150 * expr.h: Remove the prototype for expand_mult_add.
4152 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4154 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4155 and REG_SAVED_VAL_EXP constants.
4156 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4157 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4158 Handle regs stored by value.
4159 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4160 (execute_cfa_program): Handle DW_CFA_val_offset,
4161 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4162 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4163 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4164 (uw_install_context_1): Handle target regs stored by value.
4166 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4168 * tree-sra.c (tree_sra): Return todoflags;
4169 (generate_one_element): Set TODO_update_smt_usage if needed.
4170 (pass_sra): Remove TODO_update_smt_usage.
4171 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4173 (tree_ssa_forward_propagate_single_use_vars): Return
4174 TODO_update_smt_usage if we need to update SMT usage.
4175 (pass_forwprop): Remove TODO_update_smt_usage.
4177 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4179 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4180 (correct_use_link): Remove reference to get_stmt_operands.
4181 (update_stmt_operands): Likewise.
4182 (get_modify_expr_operands): New function factored out of
4183 parse_ssa_operands and get_expr_operands.
4184 Try to create V_MUST_DEFs for LHS by default.
4185 (get_expr_operands) <case MODIFY_EXPR>: Call
4186 get_modify_expr_operands.
4187 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4188 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4189 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4190 get_modify_expr_operands.
4192 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4194 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4195 * tree-flow.h: Remove the prototype for
4196 referenced_var_lookup_if_exists.
4198 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4200 PR rtl-optimization/26345
4202 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4204 2006-03-03 Roger Sayle <roger@eyesopen.com>
4206 PR tree-optimization/26524
4207 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4208 fold_convert to create a constant of the appropriate type.
4210 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4212 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4213 SYMBOL_REF_IN_BLOCK_P.
4214 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4215 of SYMBOL_FLAG_IN_BLOCK.
4216 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4217 instead of SYMBOL_REF_IN_BLOCK_P.
4218 * explow.c (use_anchored_address): Likewise.
4219 * rtl.c (rtx_size): Likewise.
4220 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4221 instead of SYMBOL_FLAG_IN_BLOCK.
4222 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4223 SYMBOL_REF_IN_BLOCK_P.
4224 (assemble_variable): Likewise.
4225 (output_constant_def_contents): Likewise.
4226 (output_constant_pool): Likewise.
4227 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4228 instead of SYMBOL_FLAG_IN_BLOCK.
4229 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4230 SYMBOL_REF_IN_BLOCK_P.
4231 (SYMBOL_REF_BLOCK): Likewise.
4232 (SYMBOL_REF_OFFSET): Likewise.
4233 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4234 SYMBOL_REF_IN_BLOCK_P.
4235 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4236 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4237 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4238 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4240 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4242 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4244 2006-03-02 Roger Sayle <roger@eyesopen.com>
4246 * simplify-rtx.c (simplify_unary_operation): When simplifying
4247 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4248 that we perform the right shift in the appropriate mode, and
4249 then extend or truncate the result to requested mode.
4251 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4253 * gengtype.c (main): Handle double_int type.
4254 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4255 * double-int.c: New file.
4256 * double-int.h: New file.
4257 * system.h: Include doubleint.h.
4258 * Makefile.in (SYSTEM_H): Include double-int.h.
4259 (double-int.o): Add.
4261 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4264 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4267 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4269 * tree-vrp.c (remove_range_assertions): Do not update statements
4272 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4274 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4276 * gcse.c (rest_of_handle_gcse): Ditto.
4277 * except.c (gate_handle_eh): Ditto.
4278 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4279 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4281 2006-03-02 Eric Christopher <echristo@apple.com>
4283 * config/i386/i386.c (machopic_output_stub): Add indirection to
4286 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4290 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4292 Sun Niagara specific optimizations.
4293 * config.gcc: Recognize niagara as target.
4294 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4295 (TARGET_CPU_niagara): Define.
4296 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4297 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4298 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4299 (ASM_CPU_SPEC): Likewise.
4300 (PROCESSOR_NIAGARA): New enum entry.
4301 (REGISTER_MOVE_COST): Handle Niagara.
4302 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4303 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4304 (sparc_override_options): Recognize "niagara", set appropriate
4305 default MASK_* values for it, and align functions to 32-bytes
4306 by default just like ULTRASPARC/ULTRASPARC3.
4307 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4308 (sparc64_initialize_trampoline): Likewise.
4309 (sparc_use_sched_lookahead): Use zero for niagara.
4310 (sparc_issue_rate): Use one for niagara.
4311 * config/sparc/niagara.md: New file.
4312 * config/sparc/sparc.md: Include it.
4313 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4314 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4315 when default cpu is niagara.
4316 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4317 (ASM_CPU_SPEC): Likewise.
4318 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4319 when default cpu is niagara.
4320 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4321 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4322 just like v9/ultrasparc/ultrasparc3.
4323 * doc/invoke.texi: Add documentation for "niagara" and improve
4324 existing documentation for ultrasparc variants.
4326 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4328 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4330 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4332 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4333 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4334 and say that only one is needed.
4335 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4336 * target.h (have_switchable_bss_sections): New hook.
4337 * explow.c (use_anchored_address): Check that the symbol is in a block.
4338 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4339 (bss_noswitch_section): New variables.
4340 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4341 (get_noswitch_section): New function.
4342 (get_block_for_section): Allow SECT to be null.
4343 (unlikely_text_section_p): Use SECTION_STYLE.
4344 (bss_initializer_p): New function.
4345 (get_variable_section): Move earlier in file. Take a new argument,
4346 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4347 Return one of the new *_sections in such cases.
4348 (get_block_for_decl): New function, extracting some logic from
4349 use_blocks_for_decl_p.
4350 (change_symbol_section): Remove in favor of...
4351 (change_symbol_block): ...this new function.
4352 (use_blocks_for_decl_p): Remove checks now performed by
4354 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4355 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4356 (emit_local, emit_bss, emit_common): ...these new functions.
4357 Return true if the alignment was honored.
4358 (emit_tls_common): New function.
4359 (asm_emit_uninitialised): Delete.
4360 (assemble_variable_noswitch): New function, split out from...
4361 (assemble_variable): ...here. Don't make decisions about common
4362 variables here. Globalize all public decls that go into non-common
4363 sections. Check whether SYMBOL_REF_BLOCK is null.
4364 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4365 (output_constant_pool): Likewise.
4366 (init_varasm_once): Initialize the new section variables.
4367 (have_global_bss_p): New function.
4368 (categorize_decl_for_section): Use bss_initializer_p.
4369 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4370 (place_block_symbol): Assert that the symbol must be in a block.
4371 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4372 (TARGET_INITIALIZER): Include it.
4373 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4374 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4375 (SECTION_MACH_DEP): Bump by two.
4376 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4377 (unnamed_section): Mention SECTION_UNNAMED in comment.
4378 (named_section): Likewise SECTION_NAMED.
4379 (noswitch_section_callback): New type.
4380 (noswitch_section): New structure.
4381 (section): Add a noswitch_section alternative.
4382 (SECTION_STYLE): New macro.
4383 (tls_comm_section, comm_section, lcomm_section): Declare.
4384 (bss_noswitch_section, have_global_bss_p): Declare.
4385 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4386 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4388 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4389 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4392 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4394 * gcc/tree-vrp.c (execute_vrp): Return value.
4395 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4396 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4397 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4398 (tree_lower_complex_O0): Ditto.
4399 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4400 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4401 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4402 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4403 (execute_tail_calls): Ditto.
4404 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4405 * gcc/tree.h (init_function_for_compilation): Ditto.
4406 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4407 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4408 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4409 * gcc/final.c (compute_alignments): Ditto.
4410 (rest_of_handle_final): Ditto.
4411 (rest_of_handle_shorten_branches): Ditto.
4412 (rest_of_clean_state): Ditto.
4413 * gcc/omp-low.c (execute_expand_omp): Ditto.
4414 (execute_lower_omp): Ditto.
4415 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4416 * gcc/ipa-reference.c (static_execute): Ditto.
4417 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4418 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4419 (rest_of_handle_machine_reorg): Ditto.
4420 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4421 * gcc/flow.c (recompute_reg_usage): Ditto.
4422 (rest_of_handle_remove_death_notes): Ditto.
4423 (rest_of_handle_life): Ditto.
4424 (rest_of_handle_flow2): Ditto.
4425 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4426 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4427 (do_ssa_store_ccp): Ditto.
4428 (execute_fold_all_builtins): Ditto.
4429 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4430 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4431 * gcc/ipa-pure-const.c (static_execute): Ditto.
4432 * gcc/cse.c (rest_of_handle_cse): Ditto.
4433 (rest_of_handle_cse2): Ditto.
4434 * gcc/web.c (rest_of_handle_web): Ditto.
4435 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4436 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4437 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4438 * gcc/tree-nrv.c (tree_nrv): Ditto.
4439 (execute_return_slot_opt): Ditto.
4440 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4441 (create_structure_vars): Ditto.
4442 * gcc/loop-init.c (rtl_loop_init): Ditto.
4443 (rtl_loop_done): Ditto.
4444 (rtl_move_loop_invariants): Ditto.
4445 (rtl_unswitch): Ditto.
4446 (rtl_unroll_and_peel_loops): Ditto.
4447 (rtl_doloop): Ditto.
4448 * gcc/gimple-low.c (lower_function_body): Ditto.
4449 (mark_used_blocks): Ditto.
4450 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4451 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4452 (cgraph_early_inlining): Ditto.
4453 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4454 * gcc/jump.c (cleanup_barriers): Ditto.
4455 (purge_line_number_notes): Ditto.
4456 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4457 (rest_of_handle_if_after_reload): Ditto.
4458 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4459 (tree_ssa_loop_im): Ditto.
4460 (tree_ssa_loop_unswitch): Ditto.
4461 (tree_vectorize): Ditto.
4462 (tree_linear_transform): Ditto.
4463 (tree_ssa_loop_ivcanon): Ditto.
4464 (tree_ssa_empty_loop): Ditto.
4465 (tree_ssa_loop_bounds): Ditto.
4466 (tree_complete_unroll): Ditto.
4467 (tree_ssa_loop_prefetch): Ditto.
4468 (tree_ssa_loop_ivopts): Ditto.
4469 (tree_ssa_loop_done): Ditto.
4470 * gcc/predict.c (tree_estimate_probability): Ditto.
4471 * gcc/recog.c (split_all_insns_noflow): Ditto.
4472 (rest_of_handle_peephole2): Ditto.
4473 (rest_of_handle_split_all_insns): Ditto.
4474 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4475 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4476 (rest_of_handle_stack_adjustments): Ditto.
4477 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4478 * gcc/function.c (instantiate_virtual_regs): Ditto.
4479 (init_function_for_compilation): Ditto.
4480 (rest_of_handle_check_leaf_regs): Ditto.
4481 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4482 (rest_of_handle_gcse): Ditto.
4483 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4484 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4485 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4486 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4487 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4488 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4489 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4490 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4491 * gcc/except.c (set_nothrow_function_flags): Ditto.
4492 (convert_to_eh_region_ranges): Ditto.
4493 (rest_of_handle_eh): Ditto.
4494 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4495 (remove_unnecessary_notes): Ditto.
4496 * gcc/except.h (set_nothrow_function_flags): Ditto.
4497 (convert_to_eh_region_ranges): Ditto.
4498 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4499 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4500 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4501 (execute_fre): Ditto.
4502 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4503 (rest_of_handle_jump2): Ditto.
4504 * gcc/tree-sra.c (tree_sra): Ditto.
4505 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4506 (execute_mudflap_function_decls): Ditto.
4507 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4508 (do_store_copy_prop): Ditto.
4509 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4510 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4511 * gcc/tree-ssa-forwprop.c
4512 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4513 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4514 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4515 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4516 (execute_late_warn_uninitialized): Ditto.
4517 * gcc/rtl.h (cleanup_barriers): Ditto.
4518 (split_all_insns_noflow): Ditto.
4519 (purge_line_number_notes): Ditto.
4520 (unshare_all_rtl): Ditto.
4521 (remove_unnecessary_notes): Ditto.
4522 (recompute_reg_usage): Ditto.
4523 (variable_tracking_main): Ditto.
4524 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4525 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4526 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4527 (execute_free_cfg_annotations): Ditto.
4528 (execute_fixup_cfg): Ditto.
4529 (execute_cleanup_cfg_pre_ipa): Ditto.
4530 (execute_cleanup_cfg_post_optimizing): Ditto.
4531 (execute_init_datastructures): Ditto.
4532 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4533 * gcc/combine.c (rest_of_handle_combine): Ditto.
4534 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4535 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4536 (rest_of_handle_reorder_blocks): Ditto.
4537 (rest_of_handle_partition_blocks): Ditto.
4538 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4539 * gcc/tree-profile.c (tree_profiling): Ditto.
4540 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4541 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4542 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4543 (rest_of_handle_sched2): Ditto.
4544 * gcc/basic-block.h (free_bb_insn): Ditto.
4545 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4546 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4547 (remove_useless_stmts): Ditto.
4548 (split_critical_edges): Ditto.
4549 (execute_warn_function_return): Ditto.
4550 (execute_warn_function_noreturn): Ditto.
4551 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4552 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4553 * gcc/passes.c (execute_one_pass): Run additional
4554 todos returned by execute function.
4555 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4558 2006-03-02 Richard Guenther <rguenther@suse.de>
4560 * tree-ssa-alias.c (find_used_portions): Consider taking
4561 the address as making the variable not write-only.
4563 2006-03-02 Nick Clifton <nickc@redhat.com>
4565 * config.gcc (default_use_cxa_atexit): Extend the description of
4566 this configure variable. Set its default value to "yes" for
4567 Linux, NetBSD and ELF targets on the assumption that they will
4568 use C libraries with the __cxa_atexit function.
4570 2006-03-02 Ben Elliston <bje@au.ibm.com>
4572 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4573 parameter as unused to suppress a build warning.
4575 2006-03-02 Ben Elliston <bje@au.ibm.com>
4577 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4580 2006-03-01 Roger Sayle <roger@eyesopen.com>
4583 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4584 declared name, the weak reference name, and the typeof name.
4585 (__gthrw): Avoid expanding the declared name suffix.
4586 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4588 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4590 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4592 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4593 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4594 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4595 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4596 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4597 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4598 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4599 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4600 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4601 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4602 (DW_END_default, DW_END_big, DW_END_little): New.
4603 (DW_END_lo_user, DW_END_hi_user): Define.
4604 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4605 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4606 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4609 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4611 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4613 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4615 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4617 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4619 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4620 to 'symbol_mem_tag'.
4622 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4625 2006-03-01 Roger Sayle <roger@eyesopen.com>
4627 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4629 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4632 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4633 MACHO_DYNAMIC_NO_PIC_P.
4634 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4636 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4639 * config/darwin-protos.h (darwin_asm_output_anchor):
4641 * config/darwin-sections.def (cstring_section):
4642 Add SECTION_MERGE to the flags.
4643 (literal4_section): Likewise.
4644 (literal8_section): Likewise.
4645 (objc_selector_refs_section): Likewise.
4646 (objc_cls_refs_section): Likewise.
4647 * config/darwin.c (darwin_asm_output_anchor): New
4649 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4651 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4653 Fix PR tree-optimization/26443
4654 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4655 to todo and PROP_tmt_usage to properties_destroyed.
4656 * tree-ssa-ccp.c (pass_ccp): Ditto.
4657 (pass_store_ccp): Ditto.
4658 * tree-ssa-dom.c (pass_dominator): Ditto.
4660 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4662 * tree-ssa-operands.c: Cleanup whitespace.
4663 (get_asm_expr_operands): Move before first invocation.
4664 (get_indirect_ref_operands): Likewise.
4665 (get_tmr_operands): Likewise.
4666 (get_call_expr_operands): Likewise.
4667 (append_def): Likewise.
4668 (append_use): Likewise.
4669 (append_v_may_def): Likewise.
4670 (append_v_must_def): Likewise.
4671 (add_call_clobber_ops): Likewise.
4672 (add_call_read_ops): Likewise.
4673 (add_stmt_operand): Likewise.
4674 (add_virtual_operand): Likewise.
4675 (build_ssa_operands): Likewise.
4677 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4682 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4683 with a call expr to ...
4684 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4686 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4688 * tree-vrp.c (extract_range_from_assert): Remove special
4689 handling for types with super-types.
4691 2006-03-01 Ben Elliston <bje@au.ibm.com>
4693 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4694 and powerpc64-*-linux* configurations.
4695 * config/t-dfprules: New file.
4697 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4698 Compile dfp-bit.c from the source directory using -DWIDTH and
4699 $DFP_CFLAGS to control the compilation of that file, rather than
4700 generating width-specific versions in the build directory.
4701 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4702 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4704 2006-02-28 Zack Weinberg <zackw@panix.com>
4706 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4709 2006-02-28 Eric Christopher <echristo@apple.com>
4711 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4712 Set up IN_LIBGCC definition of TARGET_64BIT.
4713 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4715 2006-02-28 Roger Sayle <roger@eyesopen.com>
4718 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4719 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4720 cases via the construction of "expr != 0".
4722 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4724 * alias.c (alias_invariant, alias_invariant_size): Remove.
4725 (record_base_value): Remove.
4726 (memrefs_conflict_p): Don't look at alias_invariant.
4727 (end_alias_analysis): Don't free it.
4728 * alias.h (record_base_value): Remove prototype.
4730 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4731 Adam Nemet <anemet@caviumnetworks.com>
4733 * rtl.h (truncated_to_mode): Declare it.
4734 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4735 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4736 (RTL_HOOKS_INITIALIZER): Include it.
4737 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4738 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4739 reg_truncated_to_mode.
4740 * rtlanal.c (truncated_to_mode): Define it.
4741 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4743 2006-02-28 Jeff Law <law@redhat.com>
4745 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4746 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4747 the range allowed by TYPE_PRECISION.
4749 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4751 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4753 PR tree-optimization/26419
4754 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4757 2006-02-27 Zack Weinberg <zackw@panix.com>
4759 * doc/md.texi: Fix typo in previous change.
4761 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4765 2006-02-27 Zack Weinberg <zackw@panix.com>
4767 * rtl.def (define_constraint, define_register_constraint)
4768 (define_memory_constraint, define_address_constraint): New MD forms.
4769 * gensupport.c (process_rtx): Put define_constraint etc on the
4771 * genpreds.c (process_define_predicate): Adjust comment. Validate
4772 the name, and call validate_exp to validate the expression.
4773 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4774 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4775 all callers changed.
4776 (validate_exp, needs_variable, struct constraint_data)
4777 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4778 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4779 (const_dbl_constraints, constraint_max_namelen)
4780 (have_register_constraints, have_memory_constraints)
4781 (have_address_constraints, have_address_constraints)
4782 (have_extra_constraints, have_const_int_constraints)
4783 (have_const_dbl_constraints, mangle, add_constraint)
4784 (process_define_constraint, process_define_register_constraint)
4785 (write_enum_constraint_num, write_lookup_constraint)
4786 (write_insn_constraint_len, write_regclass_for_constraint)
4787 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4788 (write_insn_extra_memory_constraint)
4789 (write_insn_extra_address_constraint)
4790 (write_satisfies_constraint_fns): New.
4791 (write_tm_preds_h): If we have new-style constraint definitions,
4792 prototype the functions generated from them, and define the
4793 old constraint interface (still used by generic code) in terms of
4795 (write_insn_preds_c): If we have new-style constraint definitions,
4796 generate all relevant functions from those definitions.
4797 (main): Handle define_constraint etc.
4798 * genoutput.c (struct constraint_data, indep_constraints)
4799 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4800 (mdep_constraint_len): New data structures and functions, defined
4801 #ifdef USE_MD_CONSTRAINTS.
4802 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4803 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4804 use new logic to validate operand constraints against constraint
4806 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4808 * defaults.h: If none of the old-style constraint macros are
4809 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4810 old-style macros; and poison REG_CLASS_FROM_LETTER,
4811 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4813 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4814 * doc/md.texi: Document new constraint-definition mechanism and the
4815 C interface it provides. Remove references to old mechanism
4816 elsewhere in the document.
4817 (Machine Constraints): Use pathnames relative to gcc directory,
4818 i.e. config/ARCH/FILE. Change i386 section to refer to
4819 config/i386/predicates.md; update that section to match docstrings.
4820 * doc/tm.texi: Move all documentation of the old constraint-
4821 definition macros to their own section, clearly mark as obsolete.
4823 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4824 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4826 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4827 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4828 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4830 (splits and peepholes): Use satisfies_constraint_*.
4831 * config/i386/i386.c (memory_address_length)
4832 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4834 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4836 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4837 scalar operation to be put back into the loop.
4839 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4842 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4843 (extract_cie_info): Handle S flag in augmentation string.
4844 (execute_cfa_program): If context->signal_frame, execute also
4845 fs->pc == context->ra instructions.
4846 (uw_frame_state_for): If context->signal_frame, don't subtract one
4847 from context->ra to find FDE.
4848 (uw_update_context_1): Set context->signal_frame to
4850 (_Unwind_GetIPInfo): New function.
4851 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4852 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4854 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4855 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4856 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4857 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4858 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4859 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4860 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4861 x86_64_fallback_frame_state): Set fs->signal_frame.
4862 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4863 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4864 (frob_update_context): Likewise. Workaround missing S flag in
4865 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4866 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4867 Remove the psw_addr + 1 hack.
4869 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4871 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4872 with aggregates here.
4873 (find_func_aliases): Remove code for &<aggregate> from here.
4875 2006-02-26 Roger Sayle <roger@eyesopen.com>
4877 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4878 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4879 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4882 2006-02-26 Roger Sayle <roger@eyesopen.com>
4885 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4887 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4889 * opts.c (decode_options): Do not handle flag_strength_reduce.
4890 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4891 and OPT_fstrength_reduce.
4892 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4893 flag_prefetch_loop_arrays for being nonzero.
4894 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4896 (fprefetch-loop-arrays-rtl): Removed.
4897 (flag_prefetch_loop_arrays): Do not specify the value.
4899 * doc/passes.texi: Update documentation of loop optimizer
4901 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4902 -frerun-loop-opt): Remove.
4904 2006-02-26 Richard Guenther <rguenther@suse.de>
4906 PR tree-optimization/26421
4907 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4908 in function calls that are ADDR_EXPRs as using the whole structure.
4910 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4912 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4913 * tree-pass.h (pass_loop_optimize): Remove.
4914 * passes.c (pass_loop_optimize): Never run it.
4915 * toplev.c (backend_init): Don't call init_loop.
4916 * opts.c (flag_loop_optimize_set): Remove.
4917 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4918 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4919 the old RTL loop optimizer when profiling enabled.
4920 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4921 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4922 pre-headers for the sake of the old RTL loop optimizer.
4923 * Makefile.in: Remove all references to loop.o.
4925 * doc/invoke.texi: Remove all references to -floop-optimize
4926 and -frerun-loop-opt.
4928 2006-02-26 Zack Weinberg <zackw@panix.com>
4930 * doc/md.texi (Machine Constraints): Refer to all files with paths
4931 relative to gcc directory (i.e. config/CPU/file). Add missing
4932 @table @code ... @end table to M32C subsection.
4934 2006-02-26 Roger Sayle <roger@eyesopen.com>
4936 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4938 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4940 2006-02-26 Roger Sayle <roger@eyesopen.com>
4941 James A. Morrison <phython@gcc.gnu.org>
4944 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4945 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4946 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4947 signedness of the shift operation.
4949 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4951 PR tree-optimization/26359
4952 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4954 2006-02-25 Roger Sayle <roger@eyesopen.com>
4956 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4957 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4958 as X == 0, and some symmetry related transformations.
4959 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4961 2006-02-25 Roger Sayle <roger@eyesopen.com>
4964 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4965 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4966 symmetry related transformations. Fold (X^C1) == C2 as
4969 2006-02-25 Juergen Weigert <jw@suse.de>
4970 Richard Guenther <rguenther@suse.de>
4972 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4974 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4976 * combine.c (gen_lowpart_or_truncate): Call
4977 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4979 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4981 * doc/invoke.texi: Move -fopenmp description to "Options for
4983 Remove reference to -lgomp.
4985 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4987 * doc/install.texi: Require GNU tar version 1.14.
4989 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4991 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4992 * doc/invoke.texi (C++ Dialect Options): Document
4993 -fno-use-cxa-get-exception-ptr.
4994 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4995 * configure: Regenerate.
4996 * c.opt (fuse-cxa-get-exception-ptr): New.
4997 * c-opts.c (c_common_handle_option): Handle
4998 OPT_fuse_cxa_get_exception_ptr.
4999 * c-common.c (flag_use_cxa_atexit): Update documentation.
5000 (flag_use_cxa_get_exception_ptr): New.
5001 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5002 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5004 (C_COMMON_OVERRIDE_OPTIONS): New.
5006 2006-02-24 Roger Sayle <roger@eyesopen.com>
5009 * combine.c (try_combine): Explicitly check whether GET_CODE is
5010 a SET or a CLOBBER, instead on checking that it isn't a USE.
5012 2006-02-24 Roger Sayle <roger@eyesopen.com>
5014 * fold-const.c (fold_comparison): New subroutine of fold_binary
5015 containing transformations common to both the equality and
5016 ordering relational operators, factored out of fold_binary.
5017 (fold_binary): Separate out the equality operators (EQ_EXPR
5018 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5019 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5020 transformations common to both.
5021 (fold_div_compare): Fix latent bugs in the previously unreachable
5022 LT_EXPR and GE_EXPR cases.
5024 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5026 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5027 decl libname for clog to __clog on AIX.
5029 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5031 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5034 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5035 output traceback table for thunks. Localise rs6000_stack_info call.
5037 2006-02-23 Roger Sayle <roger@eyesopen.com>
5038 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5040 * gthr-posix.h (__gthrw): Fix typo in comment.
5042 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5044 * doc/cpp.texi (Character sets): Document that we do support
5045 input files to be in any character set.
5047 2006-02-23 Jeff Law <law@redhat.com>
5049 * tree.h (PHI_ARG_NONZERO): Remove.
5050 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5051 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5052 node to the new node.
5054 PR tree-optimization/26425
5055 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5056 min/max, then assume its varying.
5058 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5060 PR rtl-optimization/26316
5061 * rtlanal.c (enum may_trap_p_flags): New.
5062 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5063 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5064 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5065 (may_trap_after_code_motion_p): New function.
5066 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5067 (find_invariant_insn): Use may_trap_after_code_motion_p.
5068 * rtl.h (may_trap_after_code_motion_p): Declare.
5070 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5072 * emit-rtl.c (immed_double_const): Cleanup.
5074 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5076 Fix PR tree-optimization/26376
5077 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5080 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5083 * gimplify.c (omp_add_variable): Guard variable size decl test with
5084 DECL_SIZE (decl) check.
5086 2006-02-23 Richard Guenther <rguenther@suse.de>
5089 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5090 like aggregate types.
5092 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5094 * configure.ac: Add --with{,out}-long-double-128 configure option.
5095 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5096 * configure: Rebuilt.
5097 * config.in: Rebuilt.
5098 * doc/install.texi (Options specification): Document
5099 --with-long-double-128.
5101 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5102 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5103 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5104 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5106 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5108 * config/s390/s390.c (override_options): Handle
5109 TARGET_DEFAULT_LONG_DOUBLE_128.
5111 * config/alpha/alpha.c (override_options): Handle
5112 TARGET_DEFAULT_LONG_DOUBLE_128.
5114 * config/sparc/sparc.c (sparc_override_options): Handle
5115 TARGET_DEFAULT_LONG_DOUBLE_128.
5117 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5119 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5120 (real-install-headers-tar, real-install-headers-cpio)
5121 (real-install-headers-cp): New targets.
5123 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5125 * tree.h (variable_section): Delete.
5126 * varasm.c (variable_section): Delete.
5128 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5130 * install.texi: Add notes on install.texi2html.
5131 (Building in parallel): Do not use footnotes.
5133 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5136 * doc/install.texi (Configuration): Document --disable-libgomp.
5138 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5140 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5142 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5144 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5145 (vec_extractv2df_0_sse): New.
5147 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5149 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5150 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5151 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5152 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5153 to the result of the expression.
5154 (def_cfa_1): Adjust.
5155 (frame_pointer_cfa_offset): Rename to...
5156 (frame_pointer_fb_offset): ... this. Adjust all uses.
5157 (convert_cfa_to_loc_list): Rename to...
5158 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5159 Pass it on to build_cfa_loc.
5160 (compute_frame_pointer_to_cfa_displacement): Rename to...
5161 (compute_frame_pointer_to_fb_displacement): ... this. New
5162 offset parameter. Use it in computation.
5163 (gen_subprogram_die): Compute cfa_fb_offset with the new
5164 macro, and use it to compute the fb loc list and the
5167 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5169 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5170 replaced with register_operand.
5171 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5172 non-DREG is expensive.
5173 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5174 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5177 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5179 * doc/install.texi2html: Use set -e.
5181 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5183 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5184 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5185 * doc/invoke.texi (-fshared-data): Delete.
5186 * common.opt (fshared-data): Delete.
5187 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5188 (assemble_static_space): Remove #if 0 code.
5189 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5190 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5191 * config/cris/cris.h: Remove FIXME.
5193 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5195 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5198 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5201 * combine.c (simplify_shift_const_1): Disable nested shifts
5202 optimization for vector shifts.
5204 2006-02-20 Roger Sayle <roger@eyesopen.com>
5206 PR tree-optimization/26361
5207 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5208 of unsigned integer types.
5210 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5212 * tree-chrec.c (eq_evolutions_p): New.
5213 * tree-chrec.h (eq_evolutions_p): Declared.
5214 * tree-data-ref.c: Fix formatting.
5215 (datadep_stats, dependence_stats): New.
5217 (print_direction_vector): New.
5218 (dump_data_dependence_relation): Use print_direction_vector.
5219 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5220 (compute_subscript_distance): Static.
5221 (initialize_data_dependence_relation): Static. Get the number
5222 of loops surrounding the references from the callers, and initialize
5223 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5224 base_object_differ_p analyzers.
5225 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5226 compute_overlap_steps_for_affine_1_2,
5227 analyze_subscript_affine_affine): Count the classified dependences.
5228 Print a message when a test failed.
5229 (can_use_analyze_subscript_affine_affine): New.
5230 (analyze_siv_subscript): Compute the data dependences on symbolic
5231 scevs that verify can_use_analyze_subscript_affine_affine.
5232 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5233 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5234 Handle symbolic scevs.
5235 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5237 (subscript_dependence_tester): Moved...
5238 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5239 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5240 DDR_SIZE_VECT instead of getting it in parameter.
5241 (subscript_dependence_tester): ... here. Take as a parameter
5242 loop_nest_depth. Call build_classic_dist_vector and
5243 build_classic_dir_vector.
5244 (compute_affine_dependence): Update subscript_dependence_tester
5245 parameters. Update datadep_stats counters. Call
5246 compute_subscript_distance.
5247 (compute_self_dependence): Save the dist and dir vectors. Call
5248 compute_subscript_distance.
5249 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5250 (compute_all_dependences): Reorder parameters as they were before
5251 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5252 compute_subscript_distance. Update the use of
5253 compute_affine_dependence and initialize_data_dependence_relation.
5254 (find_data_references_in_loop): Handle COMPONENT_REF.
5255 (compute_data_dependences_for_loop): Initialize dependence_stats.
5256 Don't call build_classic_dist_vector and build_classic_dir_vector.
5257 Update the parameters of initialize_data_dependence_relation and
5258 compute_all_dependences. Print the statistics from datadep_stats.
5259 (analyze_all_data_dependences): Static. Not used until the pass for
5260 checking the data dependences is contributed.
5261 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5262 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5263 (initialize_data_dependence_relation, compute_affine_dependence,
5264 analyze_all_data_dependences, compute_subscript_distance): Removed.
5265 (print_direction_vector): New.
5266 * lambda.h (gcd): ... here.
5267 (lambda_vector_gcd): Moved here from gcd_vector.
5268 * lambda-code.c (gcd, gcd_vector): Removed.
5269 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5270 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5272 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5274 * ipa-type-escape.c: Tidy some comments and white space.
5275 * tree-ssa-operands.c: Likewise.
5277 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5280 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5281 (dump_decl_name): Do not walk the decl tree chains.
5282 * tree-pass.h (TDF_CHAIN): Remove.
5284 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5286 * Makefile.in (C): Remove
5288 (.PHONY): Remove C and PROTO
5290 2006-02-20 Roger Sayle <roger@eyesopen.com>
5293 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5294 deprecated CHAR_TYPE tree code.
5296 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5298 * configure.ac (target_list): Add install-info, dvi, html.
5299 * configure: Regenerate.
5301 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5302 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5303 treelang/Make-lang.in: Do not use double-colon rules.
5305 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5307 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5308 (TMT_USED_ALONE): New macro.
5309 * tree-pass.h (PROP_tmt_usage): New property.
5310 (TODO_update_tmt_usage): New todo.
5311 * tree-ssa-alias.c (updating_used_alone): New variable.
5312 (recalculate_used_alone): New function.
5313 (compute_may_aliases): Set updating_used_alone, call
5314 recalculate_used_alone.
5315 * tree-sra.c (pass_sra): Note that this pass destroys
5316 PROP_tmt_usage, and add TODO_update_tmt_usage.
5317 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5318 * tree-flow.h (updating_used_alone): Prototype.
5319 (recalculate_used_alone): Ditto.
5320 * passes.c (execute_todo): Add code to set updating_used_alone,
5321 and call recalculate.
5322 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5323 for clobber if used alone, and add assert to verify used_alone
5326 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5328 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5329 for non tls symbols added.
5330 (legitimize_address): Do nothing for PLUS expressions if one of the
5331 addends is a tls symbol reference.
5333 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5337 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5339 * Makefile.in (BOOTSTRAPPING): New.
5340 (quickstrap): New definition if BOOTSTRAPPING=yes.
5342 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5343 * configure.ac: Substitute all_selected_languages with the languages
5344 that were configured. For all the other variables except
5345 lang_specs_files, include all the languages in the tree.
5346 * configure: Regenerate.
5348 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5349 if there is one. Run the commands to run fixincludes in the same
5352 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5353 * doc/install.texi: Document exact conventions for searching target tools.
5354 Document --with-build-time-tools. Document toplevel bootstrap. Document
5355 something more about building an Ada cross-compiler. Don't list GNU Make
5356 requirements which affect all platforms.
5358 2006-02-19 Roger Sayle <roger@eyesopen.com>
5361 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5362 only equivalent if the have both the same mode and precision.
5364 2006-02-20 Ben Elliston <bje@au.ibm.com>
5366 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5368 2006-02-19 Roger Sayle <roger@eyesopen.com>
5369 Steven Bosscher <stevenb.gcc@gmail.com>
5371 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5372 constant pool references to identify stack mode constants.
5373 * rtlanal.c (constant_pool_constant_p): New predicate to check
5374 whether operand is a floating point constant in the pool.
5375 * rtl.h (constant_pool_constant_p): Prototype here.
5376 * loop.c (scan_loop): Avoid hoisting constants from the constant
5377 pool on STACK_REGS targets.
5378 (load_mems): Likewise.
5379 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5380 loads into x87 registers expensive in terms of register pressure.
5382 2006-02-19 Roger Sayle <roger@eyesopen.com>
5384 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5385 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5387 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5389 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5390 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5392 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5394 * doc/invoke.texi: Document -fipa-pta.
5395 * common.opt: Add ipa-pta option.
5396 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5397 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5398 (do_ds_constraint): Ditto.
5399 (get_constraint_for): Only add to referenced_vars if
5400 referenced_vars exists.
5401 (insert_into_field_list): Rewrite to do this unsorted.
5402 (insert_into_field_list_sorted): Rename old insert_into_field_list
5404 (create_function_info_for): Use insert_into_field_list_sorted.
5405 (create_variable_info_for): Rewrite so it uses unsorted version,
5406 since the field list is sorted.
5407 (intra_create_variable_infos): Only add to referenced_vars if
5408 referenced_vars exists.
5409 (ipa_pta_execute): Init heapvars, and delete when done.
5410 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5412 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5414 * doc/install.texi: Add missing `@samp'.
5416 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5418 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5421 2006-02-18 Mark Wielaard <mark@klomp.org>
5423 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5424 who added new 4.1 features, bug fixes and integration support.
5426 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5429 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5432 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5434 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5435 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5436 (copy_insn_1): Likewise. Don't copy each field individually.
5438 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5440 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5441 * rtl.c (rtx_size): Rename variable to...
5442 (rtx_code_size): ...this.
5443 (rtx_size): New function.
5444 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5445 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5447 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5448 * rtl.h (rtx_code_size): New variable.
5449 (rtx_size): Change from a variable to a function.
5450 (RTX_SIZE): Rename to...
5451 (RTX_CODE_SIZE): ...this.
5454 PR tree-optimization/17106
5455 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5456 (Anchored Addresses): New section.
5457 * doc/invoke.texi (-fsection-anchors): Document.
5458 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5459 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5460 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5461 * hooks.c (hook_bool_mode_rtx_false): New function.
5462 * hooks.h (hook_bool_mode_rtx_false): Declare.
5463 * gengtype.c (create_optional_field): New function.
5464 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5465 SYMBOL_REF_IN_BLOCK_P is true.
5466 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5467 (min_anchor_offset, max_anchor_offset): Likewise.
5468 (use_anchors_for_symbol_p): New hook.
5469 * toplev.c (compile_file): Call output_object_blocks.
5470 (target_supports_section_anchors_p): New function.
5471 (process_options): Check that -fsection-anchors is only used on
5472 targets that support it and when -funit-at-a-time is in effect.
5473 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5474 if the decl doesn't have one.
5475 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5476 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5477 of force_const_mem through use_anchored_address.
5478 (expand_expr_constant): New function.
5479 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5480 calling expand_expr for INDIRECT_REF.
5481 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5482 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5483 * expr.h (use_anchored_address): Declare.
5484 * loop-unroll.c: Don't declare rtx vectors here.
5485 * explow.c: Include output.h.
5486 (validize_mem): Call use_anchored_address.
5487 (use_anchored_address): New function.
5488 * common.opt (-fsection-anchors): New switch.
5489 * varasm.c (object_block_htab, anchor_labelno): New variables.
5490 (hash_section, object_block_entry_eq, object_block_entry_hash)
5491 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5492 (use_blocks_for_decl_p, change_symbol_section): New functions.
5493 (get_variable_section): New function, split out from assemble_variable.
5494 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5495 use_blocks_for_decl_p say so. Use change_symbol_section if the
5496 symbol has already been created.
5497 (assemble_variable_contents): New function, split out from...
5498 (assemble_variable): ...here. Don't output any code for
5499 block symbols; just pass them to place_block_symbol.
5500 Use get_variable_section and assemble_variable_contents.
5501 (get_constant_alignment, get_constant_section, get_constant_size): New
5502 functions, split from output_constant_def_contents.
5503 (build_constant_desc): Create a block symbol if use_object_blocks_p
5504 says so. Or into SYMBOL_REF_FLAGS.
5505 (assemble_constant_contents): New function, split from...
5506 (output_constant_def_contents): ...here. Don't output any code
5507 for block symbols; just pass them to place_section_symbol.
5508 Use get_constant_section and get_constant_alignment.
5509 (force_const_mem): Create a block symbol if use_object_blocks_p and
5510 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5511 (output_constant_pool_1): Add an explicit alignment argument.
5512 Don't switch sections here.
5513 (output_constant_pool): Adjust call to output_constant_pool_1.
5514 Switch sections here instead. Don't output anything for block symbols;
5515 just pass them to place_block_symbol.
5516 (init_varasm_once): Initialize object_block_htab.
5517 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5518 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5519 (place_block_symbol, get_section_anchor, output_object_block)
5520 (output_object_block_htab, output_object_blocks): New functions.
5521 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5522 (TARGET_ASM_OUT): Include it.
5523 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5524 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5525 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5526 (TARGET_INITIALIZER): Include them.
5527 * rtl.c (rtl_check_failed_block_symbol): New function.
5528 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5529 (block_symbol, object_block): New structures.
5530 (rtx_def): Add a block_symbol field to the union.
5531 (BLOCK_SYMBOL_CHECK): New macro.
5532 (rtl_check_failed_block_symbol): Declare.
5533 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5534 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5535 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5536 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5537 * output.h (output_section_symbols): Declare.
5538 (object_block): Name structure.
5539 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5540 (default_use_anchors_for_symbol_p): Declare.
5541 * Makefile.in (RTL_BASE_H): Add vec.h.
5542 (explow.o): Depend on output.h.
5543 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5544 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5545 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5546 (rs6000_use_blocks_for_constant_p): New function.
5548 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5550 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5552 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5555 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5558 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5560 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5564 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5567 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5568 instead of DECL_REGISTER.
5570 2006-02-18 Olivier Hainque <hainque@adacore.com>
5573 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5575 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5578 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5579 * opth-gen.awk: Handle Var and InverseMask together.
5580 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5581 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5582 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5583 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5585 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5586 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5587 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5588 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5589 LINUX_DYNAMIC_LINKER): Define.
5590 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5591 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5593 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5594 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5595 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5596 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5597 (TARGET_C99_FUNCTIONS): Don't define.
5598 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5599 GLIBC_DYNAMIC_LINKER.
5600 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5601 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5602 GLIBC_DYNAMIC_LINKER64): Define.
5603 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5604 LINUX_DYNAMIC_LINKER64.
5605 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5606 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5607 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5608 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5609 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5610 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5611 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5612 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5613 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5614 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5615 and LINUX_DYNAMIC_LINKER32.
5616 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5617 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5618 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5619 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5620 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5622 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5623 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5624 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5625 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5626 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5627 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5628 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5629 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5630 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5631 LINUX_DYNAMIC_LINKER): Define.
5632 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5633 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5634 GLIBC_DYNAMIC_LINKER64): Define.
5635 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5636 LINUX_DYNAMIC_LINKER64.
5637 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5638 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5639 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5640 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5641 LINUX_DYNAMIC_LINKER): Define.
5642 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5643 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5644 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5645 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5646 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5647 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5648 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5649 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5650 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5651 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5652 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5653 * doc/invoke.texi (-muclibc): Remove caveat about supported
5656 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5658 * doc/cpp.texi (__TIMESTAMP__): Document.
5660 2006-02-17 Roger Sayle <roger@eyesopen.com>
5663 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5664 C is one less than the width of X (and related transformations).
5665 * simplify-rtx.c (simplify_unary_operation_1): Transform
5666 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5667 depending on STORE_FLAG_VALUE, were C is one less then the
5670 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5672 Fix PR tree-optimization/26341
5673 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5674 about NAME_MEMORY_TAG's.
5676 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5679 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5680 with hardware float support, and software float support. Add fcpy
5681 alternative to hardware patterns. Add alternatives to copy between
5682 general and floating-point registers to the 32-bit pattern.
5683 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5684 secondary reload to load a QI or HI mode constant into a floating
5686 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5687 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5689 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5692 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5694 (load_macho_picbase_di): Likewise.
5696 2006-02-16 Jeff Law <law@redhat.com>
5698 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5699 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5700 (ssa_name_nonzero_p): Likewise.
5701 (get_value_range): Return NULL if VRP is not running.
5702 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5703 VRP routines do not discover a range.
5704 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5705 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5706 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5707 (tree_expr_nonnegative_p): Similarly.
5708 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5709 (restore_nonzero_vars_to_original_value): Remove.
5710 (unsafe_associative_fp_binop): Remove.
5711 (tree_ssa_dominator_optimize): Remove initialization and
5712 finalization of nonzero_vars and nonzero_vars_stack.
5713 (dom_opt_initialize_block): No longer push marker on
5715 (dom_opt_finalize_block): No longer call
5716 restore_nonzero_vars_to_original_value.
5717 (record_equivalences_from_phis): No longer look for
5718 nonzero PHI arguments.
5719 (cprop_into_successor_phis): No longer propagate nonzero
5720 property into PHI arguments. Lose unused argument. Caller
5722 (record_equivalences_from_stmt): No longer record nonzero
5723 values for SSA_NAMEs.
5724 (lookup_avail_expr): No longer use nonzero_vars.
5726 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5727 for sizetype when sizetype is unsigned.
5729 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5731 PR rtl-optimization/25603
5732 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5733 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5734 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5735 with new meaning of SETS.
5737 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5742 * config/linux.opt: New file.
5743 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5744 LINUX_DYNAMIC_LINKER): Define.
5745 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5746 * config.gcc (*-*-linux*): Define extra_options.
5747 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5748 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5749 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5750 GLIBC_DYNAMIC_LINKER.
5751 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5752 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5753 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5754 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5755 * doc/invoke.texi (GNU/Linux Options): New section.
5757 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5759 * config/sparc/sparc.md (setjmp): Rewrite.
5760 (setjmp_32): Delete.
5761 (setjmp_64): Likewise.
5763 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5765 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5768 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5770 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5773 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5775 PR rtl-optimization/26296
5776 * Makefile.in (loop-invariant.c): Add except.h dependency.
5777 * loop-invariant.c: Include except.h.
5778 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5780 2005-02-16 Paul Brook <paul@codesourcery.com>
5782 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5785 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5787 PR rtl-optimization/25636
5788 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5789 when deciding whether an insn is an initializing insn.
5791 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5793 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5794 (tree_code_size): Ditto.
5795 * tree.h (struct tree_memory_tag): Remove parent_var.
5796 (struct tree_struct_field_tag): New.
5799 (union tree_node): Add sft member.
5800 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5802 (create_sft): Add size and offset argument, set SFT_OFFSET and
5804 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5805 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5806 * tree-flow-inline.h (get_subvar_at): Update for
5807 SFT_OFFSET/SFT_SIZE.
5808 (var_can_have_subvars): Ditto.
5809 (overlap_subvar): Ditto.
5810 * print-tree.c (print_node): Print out interesting things for
5812 * tree-flow.h (struct subvar): Remove offset and size members.
5813 * tree-ssa-operands.c (get_expr_operands): Update for
5814 get_indirect_ref_operands changes.
5815 (get_indirect_ref_operands): Call add_virtual_operand instead of
5816 add_stmt_operand. Only recurse on base var if requested.
5817 (access_can_touch_variable): New function.
5818 (add_stmt_operand): Split virtual operand handling into ...
5819 (add_virtual_operand): Here. Add offset, size, and for_clobber
5820 arguments. Prune alias sets.
5821 (add_call_clobber_ops): Call add_virtual_operand.
5823 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5826 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5828 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5829 than TREE_CODE as index into omp_clause_num_ops array.
5831 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5833 PR rtl-optimization/26184
5834 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5836 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5837 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5838 must_precede, must_follow and tobe_scheduled.
5841 * opts.c (common_handle_option): Free new_option pointer.
5842 * df-core.c (df_analyze): Free postorder pointer.
5844 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5846 * Makefile.in: Fix the examples about the use of stamps
5848 2006-02-15 Michael Matz <matz@suse.de>
5852 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5853 influenced by maximum_field_alignment or DECL_PACKED.
5854 (update_alignment_for_field): Ditto.
5855 (place_field): Ditto.
5856 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5859 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5861 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5862 (debug_flow_info): Pass it.
5863 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5864 * bb-reorder.c (reorder_basic_blocks): Likewise.
5865 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5866 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5867 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5868 * gcse.c (gcse_main, bypass_jumps): Likewise.
5869 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5870 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5871 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5872 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5873 * rtl.h (dump_flow_info): Adjust prototype.
5874 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5875 * var-tracking.c (variable_tracking_main): Likewise.
5876 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5877 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5880 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5882 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5885 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5887 PR tree-optimization/26209
5888 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5889 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5891 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5893 2006-02-14 Roger Sayle <roger@eyesopen.com>
5896 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5897 (X,Y) and the corresponding symmetry related transformations.
5898 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5899 (X,Y) and its symmetry related transformations.
5901 2006-02-14 Roger Sayle <roger@eyesopen.com>
5903 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5906 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5908 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5910 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5913 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5914 support COMDAT group.
5915 * configure: Regenerate.
5917 2006-02-14 Roger Sayle <roger@eyesopen.com>
5922 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5924 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5926 Fix PR tree-optimization/26260
5928 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5930 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5931 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5932 * tree-ssa-structalias.c (create_variable_info_for): Use
5933 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5935 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5937 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5939 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5940 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5941 of the ending condition.
5942 * tree-ssa-loop-manip.c: Include params.h.
5943 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5944 tree_unroll_loop): New functions.
5945 * tree-pass.h (pass_loop_prefetch): Declare.
5946 * loop.c (rest_of_handle_loop_optimize): Test for
5947 -fprefetch-loop-arrays-rtl.
5948 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5949 * timevar.def (TV_TREE_PREFETCH): New timevar.
5950 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5951 pass_loop_prefetch): New.
5952 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5953 (cleanup_tree_cfg_loop): Call scev_reset.
5954 * common.opt (fprefetch-loop-arrays-rtl): Add.
5955 * tree-ssa-loop-prefetch.c: New file.
5956 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5957 (new_temp_expr_table): Initialize expr_vars.
5958 (free_temp_expr_table): Cleanup expr_vars.
5959 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5960 expressions from being merged into one.
5961 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5962 (struct tree_niter_desc): Add control, bound and cmp fields.
5963 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5965 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5966 (tree-cfgcleanup.o): Add SCEV_H dependency.
5967 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5968 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5970 2006-02-14 Richard Guenther <rguenther@suse.de>
5972 PR tree-optimization/26258
5973 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5974 in PHI argument processing.
5976 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5978 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5979 new expression in the requested machine mode.
5981 2006-02-13 Roger Sayle <roger@eyesopen.com>
5983 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5984 directly, instead let do_compare_rtx_and_jump handle this for us.
5985 * expr.c (expand_expr_real_1): Likewise.
5986 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5987 before do_jump_by_parts_greater.
5988 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5989 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5991 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5993 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5995 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5997 PR rtl-optimization/26235
5998 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5999 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6002 2006-02-13 Jeff Law <law@redhat.com>
6004 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6007 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6010 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6011 twice if decl is a builtin. When trying again, call get_callee_fndecl
6012 first to verify it is still a builtin.
6014 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6016 * dwarf2out.c (base_type_die): Don't add AT_name here.
6017 (subrange_type_die): Don't add AT_name here.
6018 (modified_type_die): Rearrange code flow. Do add AT_name here.
6020 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6022 PR rtl-optimization/26247
6023 PR rtl-optimization/26248
6024 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6026 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6028 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6029 * config/fixtfdi.c: Likewise.
6030 * config/fixunstfdi.c: Likewise.
6031 * config/floatditf.c: Likewise.
6033 2006-02-13 Roger Sayle <roger@eyesopen.com>
6036 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6037 into (X,C2) if C1 is a subset of the bits of C2. Transform
6038 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6040 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6042 2006-02-13 Josh Conner <jconner@apple.com>
6045 * varasm.c (function_section): Check for section name before
6046 calling select_section on targets that define
6047 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6048 unlikely_text_section instead of hot_function_section if
6049 first_function_block_is_cold.
6051 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6054 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6056 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6058 PR rtl-optimization/26222
6059 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6060 after tree->rtl expansion.
6061 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6062 before passing it to emit_move_insn.
6064 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6066 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6068 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6069 Clarify documentation.
6070 * c-common.h (warn_write_strings): Remove.
6071 * c-common.c (warn_write_strings): Likewise.
6072 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6075 2006-02-12 Roger Sayle <roger@eyesopen.com>
6078 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6079 (do_jump_parts_zero_rtx): New function renamed from
6080 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6081 (do_jump_parts_equality_rtx): New function split out from
6082 do_jump_parts_equality. Old implementation renamed as above.
6083 Call do_jump_parts_zero_rtx if either operand is zero.
6084 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6085 do all of the heavy lifting.
6086 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6087 calling either do_jump_by_parts_greater_rtx or
6088 do_jump_by_parts_equality_rtx.
6089 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6090 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6091 moved to do_compare_rtx_and_jump, call it directly.
6092 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6093 mode argument. Call do_compare_rtx_and_jump.
6094 (emit_case_nodes): Update calls to do_jump_if_equal.
6096 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6098 PR rtl-optimization/26225
6099 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6101 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6103 PR rtl-optimization/26232
6104 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6106 2006-02-11 Jason Merrill <jason@redhat.com>
6109 * tree-inline.c (declare_return_variable): Just don't use the
6110 modify target if it's a gimple complex reg and the return slot
6113 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6115 * doc/contrib.texi: Update my entry.
6117 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6119 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6121 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6123 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6126 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6128 * doc/invoke.texi (-floop-optimize2): Removed.
6129 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6130 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6131 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6132 * common.opt (floop-optimize2): Removed.
6133 (fmove-loop-invariants): Enabled by default.
6135 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6137 * tree-if-conv.c (combine_blocks): Free the result of
6138 get_loop_exit_edges.
6140 2006-02-10 Jeff Law <law@redhat.com>
6142 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6144 PR tree-optimization/26213
6145 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6146 loop trying to follow SSA_NAME_VALUE chains.
6148 2006-02-10 Richard Guenther <rguenther@suse.de>
6150 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6151 deal with structures that end in implicitly variable sized arrays.
6153 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6155 PR rtl-optimization/24762
6156 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6159 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6161 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6162 (struct ivopts_data): Add regs_used field.
6163 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6164 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6165 instead of loop_data->regs_used;
6166 (free_loop_data): Do not free aux fields for loops.
6167 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6168 and tree_ssa_iv_optimize_finalize.
6170 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6172 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6174 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6177 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6178 computing the effective result type.
6180 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6183 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6184 (tree_overlaps_hard_reg_set): Declare.
6185 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6186 type and signature to match function type expected by walk_tree.
6187 (tree_overlaps_hard_reg_set): New function.
6188 (decl_conflicts_with_clobbers_p): Rename to:
6189 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6190 Use tree_overlaps_hard_reg_set. Changed caller.
6191 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6192 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6193 * cris.c (cris_md_asm_clobbers): Likewise.
6195 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6197 * reload1.c (emit_input_reload_insns): Delete code that tries to
6198 inherit using find_equiv_reg.
6200 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6202 * c-common.h (flag_const_strings): Don't declare.
6203 * c-common.c (flag_const_strings): Remove.
6204 * c.opt (fconst_strings): Remove.
6205 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6206 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6207 (c_common_init_options): Don't set flag_const_strings.
6208 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6210 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6212 * arm.md (tlobits_cbranch): New pattern.
6213 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6214 testing a single bit.
6216 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6219 * tree-ssa-pre.c (create_component_ref_by_pieces):
6220 Handle RETURN_DECL like VAR_DECL.
6222 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6225 * fold-const.c (fold_indirect_ref_1): Fold
6226 "*(foo *)&complexfoo" to "__real__ complexfoo"
6227 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6229 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6231 * tree-flow-inline.h (var_can_have_subvars):
6232 Volatile variables should not have subvariables.
6234 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6237 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6238 multiplying unsigned values.
6241 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6243 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6245 2006-02-08 Jason Merrill <jason@redhat.com>
6248 * tree.def: Elaborate on difference from MODIFY_EXPR.
6249 * doc/c-tree.texi (INIT_EXPR): Likewise.
6250 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6251 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6252 (gimplify_target_expr): Likewise.
6253 (gimplify_cond_expr): Remove target handling.
6254 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6255 (gimplify_expr): Clobber it here.
6256 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6257 Do return slot optimization if we have an INIT_EXPR.
6260 * tree-inline.c (declare_return_variable): Also clear
6261 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6264 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6267 * gimplify.c (gimplify_one_sizepos): Fix typo.
6269 2006-02-08 Jeff Law <law@redhat.com>
6271 PR tree-optimization/21417
6272 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6273 across a backedge if the control statement at the end of the
6274 block is data dependent on other statements in the same block.
6275 (record_temporary_equivalences_from_stmts): Remove over-conservative
6276 test for threading across backedges.
6278 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6279 control statement, handle all three special cases in the same
6280 manner as they all have the same desired solution. No longer
6281 special case edge flag updating when the post dominator is
6284 2006-02-08 Roger Sayle <roger@eyesopen.com>
6286 * tree.def (CHAR_TYPE): Remove.
6287 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6288 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6289 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6290 (gen_string_type_die): Delete unreachable function.
6292 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6293 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6294 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6295 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6296 * builtins.c (type_to_class): Likewise.
6297 * fold-const.c (fold_convert, build_range_check,
6298 merge_ranges): Likewise.
6299 * expr.c (count_type_elements): Likewise.
6300 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6301 * stor-layout.c (layout_type): Likewise.
6302 * ipa-type-escape.c (type_to_consider): Likewise.
6303 * gimplify.c (omp_firstprivatize_type_sizes,
6304 gimplify_type_sizes): Likewise.
6305 * explow.c (promote_mode): Likewise.
6306 * tree-sra.c (is_sra_scalar_type): Likewise.
6307 * varasm.c (output_constant): Likewise.
6308 * tree-inline.c (remap_type_1): Likewise.
6309 * convert.c (convert_to_pointer, convert_to_real,
6310 convert_to_integer, convert_to_complex): Likewise.
6312 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6314 * df-scan.c (df_def_record_1): A set destination may
6315 be a parallel regardless of mode.
6317 2006-02-08 Roger Sayle <roger@eyesopen.com>
6320 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6321 * config/mips/_tilib.c: Remove.
6322 * config/fixtfdi.c: New libgcc source file.
6323 * config/fixunstfdi.c: New source file.
6324 * config/floatditf.c: New source file.
6325 * config/floatunditf.c: New souce file.
6326 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6327 files above instead of config/mips/_tilib.c.
6328 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6330 2006-02-08 Jeff Law <law@redhat.com>
6332 PR tree-optimization/26169
6333 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6336 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6338 * df.h (DF_REG_SIZE): Return the length of the initialized
6341 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6343 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6344 __muldf3): Return a correctly signed zero.
6346 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6348 * passes.c (register_one_dump_file): Accept the current properties
6349 instead of pass number. Adjust call to dump_register. Remove
6351 (register_dump_files): Now a wrapper around...
6352 (register_dump_files_1): ... this one. Do not modify the pass
6354 (next_pass_1): Cosmetic fix.
6355 (execute_todo): Keep second parameter only. Use curr_properties
6356 instead of fetching it from the pass structure. Check and set
6358 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6359 instead of fetching it from the pass structure. Fix calls to
6360 execute_todo. Update curr_properties and initialize .vcg RTL dump
6361 after running the pass. Reset last_verified.
6362 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6364 (FIRST_AUTO_NUMBERED_DUMP): New.
6365 (dump_register): Remove "num" parameter, assign it within the
6367 (get_dump_file_name): Modify template for dumps.
6368 * tree-dump.h (dump_register): Adjust prototype.
6369 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6370 (PROP_trees): Add PROP_gimple_lomp.
6371 (TODO_set_props): New.
6372 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6373 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6374 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6376 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6378 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6379 (sparc64-*-linux*): Likewise.
6380 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6381 * config/sparc/t-linux: New file.
6382 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6383 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6384 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6385 -m32 -mlong-double-128.
6387 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6388 * config/alpha/t-linux: New file.
6389 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6391 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6392 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6393 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6394 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6395 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6396 (CPP_ARCH32_SPEC): Remove.
6398 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6400 PR tree-optimization/26145
6401 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6404 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6407 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6408 >= 240000 when generating code for SOM runtime.
6409 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6410 to $$dyncall when generating code for SOM runtime..
6412 2006-02-07 Dirk Mueller <dmueller@suse.com>
6415 * doc/invoke.texi (-Wsequence-point): Update documentation
6416 that -Wsequence-point is implemented for C++ as well.
6418 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6420 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6421 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6422 (LIB_SPEC): Likewise.
6423 * doc/invoke.texi (SPARC options): Document -pthread.
6425 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6427 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6430 2006-02-07 Roger Sayle <roger@eyesopen.com>
6432 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6433 Correct comment describing BOOLEAN_TYPE.
6435 2006-02-07 Dirk Mueller <dmueller@suse.com>
6437 * c.opt: C++ frontend supports -Wdiv-by-zero.
6438 * c-opts.c (c_common_handle_option): Remove dead case.
6440 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6442 * configure.ac (TLS assembler check): Do not enable TLS by
6443 default on SPARC/Solaris before version 10.
6444 * configure: Regenerate.
6446 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6448 * doc/invoke.texi (xl-compat): Document conversion and support
6451 2006-02-07 Jeff Law <law@redhat.com>
6453 * tree-vrp.c (find_conditional_asserts): Update comments.
6454 (simplify_stmt_for_jump_threading): New.
6455 (identify_jump_threads, finalize_jump_threads): New.
6456 (vrp_finalize): Call identify_jump_threads.
6457 (execute_vrp): Call finalize_jump_threads.
6458 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6459 (vrp_element, vrp_data, vrp_element_p): Remove.
6460 (vrp_hash_elt, vrp_variables_stack): Remove.
6461 (vrp_hash, vrp_eq, record_range): Remove.
6462 (simplify_cond_and_lookup_avail_expr): Remove.
6463 (extract_range_from_cond): Remove.
6464 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6465 (simplify_stmt_for_jump_threading): New.
6466 (dom_thread_across_edge): New wrapper.
6467 (tree_ssa_dominator_optimize): No longer initialize or
6468 finalize any of the VRP datastructures. Remove iteration
6469 step and simplify as a result of removal of iteration step.
6470 (pass_dominator): Perform a cfg cleanup after DOM.
6471 (dom_opt_finalize_block): Use the new common routines
6472 for threading jumps. Simplify stack management slightly.
6473 No longer need to unwind VRP state.
6474 (record_equivalences_from_incoming_edge): No longer record
6476 (eliminate_redundant_computations): No longer call
6477 simplify_cond_and_lookup_avail_expr.
6478 * tree-flow.h (potentially_threadable_block): Prototype.
6479 (thread_across_edge): Likewise.
6480 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6481 (tree-ssa-threadedge.o): Add dependencies.
6482 * tree-ssa-threadedge.c: New file.
6483 * passes.c (init_optimization_passes): Merge PHIs before
6484 calling VRP. Run VRP again late in the SSA optimization pipeline.
6486 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6488 * df-core.c (df_set_blocks): Do not dereference function pointers.
6489 (df_finish1): Likewise.
6490 (df_hybrid_search_forward): Likewise.
6491 (df_hybrid_search_backward): Likewise.
6492 (df_iterative_dataflow): Likewise.
6493 (df_analyze_problem): Likewise.
6494 (df_compact_blocks): Likewise.
6495 (df_dump): Likewise.
6496 * df-scan.c (df_rescan_blocks): Likewise.
6497 (df_record_entry_block_defs): Likewise.
6499 * genconditions.c (write_conditions): Guard the definition of
6500 'insn_conditions' with the check on GCC version.
6501 (write_writer): Guard the traversal 'insn_conditions' with
6502 the check on GCC version.
6504 2006-02-07 Richard Guenther <rguenther@suse.de>
6508 2006-01-30 Richard Guenther <rguenther@suse.de>
6510 * gimplify.c (gimplify_target_expr): Handle easy cases
6511 without creating a temporary.
6513 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6515 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6516 use of float in probability computations. Use edge probabilities
6517 in place of statically computed probabilities.
6518 (min_spec_prob): New static variable.
6519 (schedule_insns): Initialize it.
6520 (GET_SRC_PROB): Removed.
6521 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6523 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6526 * config/ia64/unwind-ia64.c: Revert last change.
6527 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6528 (INCOMING_FRAME_SP_OFFSET): Define.
6530 2006-02-06 Roger Sayle <roger@eyesopen.com>
6532 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6534 2006-02-07 Ben Elliston <bje@au.ibm.com>
6536 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6537 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6538 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6539 (ix86_return_in_memory): Handle TDmode.
6540 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6541 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6543 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6545 * reorg.c (dbr_schedule): Use dump_file instead of file.
6547 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6550 * config/ia64/predicates.md (extr_len_operand): New predicate.
6551 * config/ia64/ia64.md (extv): Tighten constraints.
6553 (*tbit_and_2): Ditto.
6554 (*tbit_and_3): Ditto.
6555 (*tbit_or_2): Ditto.
6556 (*tbit_or_3): Ditto.
6560 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6563 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6565 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6567 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6568 loop_optimizer_init and loop_optimizer_finalize
6569 * tree-ssa-sink.c (execute_sink_code): Ditto.
6570 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6571 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6572 tree_ssa_loop_done): Ditto.
6573 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6574 * sched-ebb.c: Include output.h.
6575 (schedule_ebbs): Do not use dump argument.
6576 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6577 * loop.c (loop_dump_stream): Removed.
6578 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6580 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6581 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6582 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6583 loop_iterations, strength_reduce, record_biv, record_giv,
6584 final_giv_value, check_final_value, check_ext_dependent_givs,
6585 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6586 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6587 dump_file instead of loop_dump_stream.
6588 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6590 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6592 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6593 * haifa-sched.c: Include output.h
6594 (schedule_insns, sched_init): Do not use dump argument.
6595 * mode-switching.c (optimize_mode_switching): Ditto.
6596 * modulo-sched.c (stats_file): Removed.
6597 (print_node_sched_params): Do not call argument dump_file.
6598 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6599 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6601 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6603 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6604 rtl_loop_init, rtl_loop_done): Ditto.
6605 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6606 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6608 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6609 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6610 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6611 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6612 * emit-rtl.c (renumber_insns): Ditto.
6613 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6614 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6615 * regclass.c (regclass): Ditto.
6616 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6617 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6618 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6619 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6621 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6622 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6624 * gcse.c (gcse_file, debug_stderr): Removed.
6625 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6626 rest_of_handle_gcse): Do not use dump argument.
6627 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6628 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6629 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6630 compute_code_hoist_vbeinout, compute_code_hoist_data,
6631 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6632 compute_store_table, build_store_vectors, insert_insn_start_bb,
6633 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6634 store_motion): Use dump_file instead of gcse_file.
6635 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6636 * profile.c (profile_dump_file): Removed.
6637 (branch_prob): Use dump_file instead of profile_dump_file.
6638 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6640 * tree-ssa-copy.c (dump_copy_of): Ditto.
6641 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6642 dump file to life_analysis.
6643 * bt-load.c (branch_target_load_optimize): Ditto.
6644 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6646 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6647 regclass, dbr_schedule): Declaration changed.
6648 * sched-int.h (sched_init): Declaration changed.
6649 * tree-profile.c (tree_profile_dump_file): Removed.
6650 (tree_profile_hooks): Removed profile_dump_file hook.
6651 * rtl-profile (rtl_profile_dump_file): Removed.
6652 (rtl_profile_hooks): emoved profile_dump_file hook.
6653 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6655 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6656 * tree-cfg.c (build_tree_cfg): Ditto.
6657 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6658 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6659 Declaration changed.
6660 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6661 life_analysis and schedule_insns.
6662 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6664 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6666 * config/mips/mips.c (mips_reorg): Ditto.
6667 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6670 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6672 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6673 (s390_mangle_fundamental_type): New.
6674 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6677 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6678 (alpha_mangle_fundamental_type): New.
6679 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6682 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6684 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6686 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6687 (sparc_mangle_fundamental_type): New.
6689 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6691 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6692 (s390x-*-linux*): Likewise.
6693 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6694 * config/s390/t-linux: New file.
6696 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6698 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6699 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6701 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6703 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6704 (ANTIC_SAFE_LOADS): New macro.
6705 (find_or_generate_expression): Add prototype.
6706 (set_contains_value): Allow null set for sake of not always having
6707 to allocate ANTIC_SAFE_LOADS.
6708 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6709 Allow COMPONENT_REF too.
6710 (valid_in_set): Allow COMPONENT_REF.
6711 Check ANTIC_SAFE_LOADS too.
6712 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6713 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6715 (can_PRE_operation): Add COMPONENT_REF.
6716 (create_component_ref_by_pieces): New function.
6717 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6718 (insert_aux): Move AGGREGATE_TYPE_P check here.
6719 (compute_avail): Set bb local stmt uids.
6720 (pass_pre): Use TODO_update_ssa_only_virtuals.
6722 2006-02-06 Ben Elliston <bje@au.ibm.com>
6724 * configure.ac: Unconditionally disable decimal float by default.
6725 * configure: Regenerate.
6727 2006-02-06 Ben Elliston <bje@au.ibm.com>
6729 * read-rtl.c (read_name): Terminate reading on EOF.
6731 2006-02-06 Ben Elliston <bje@au.ibm.com>
6733 * dfp.c (decimal_real_arithmetic): Change second argument type
6734 from int to enum tree_code. Do not always return true, but now
6735 return result of any call to decimal_do helper functions.
6736 * dfp.h (decimal_real_arithmetic): Update prototype.
6738 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6740 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6742 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6745 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6748 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6750 * tree-vrp.c (cfg_loops): Removed.
6751 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6752 Use current_loops instead of cfg_loops. Pass flags to
6753 loop_optimizer_init.
6754 * cfgloopmanip.c (fix_loop_structure): Update only available
6756 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6757 loop_optimizer_init.
6758 * modulo-sched.c (build_loops_structure): Removed.
6759 (sms_schedule): Use loop_optimizer_init.
6760 * loop-init.c (loop_optimizer_init): Use flags to determine
6761 which properties of loops to prepare.
6762 (rtl_loop_init): Pass flags to loop_optimizer_init.
6763 * tree-ssa-sink.c (execute_sink_code): Ditto.
6764 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6765 * tree-ssa-pre.c (init_pre): Ditto.
6766 * cfgloop.h (LOOPS_NORMAL): New.
6767 (loop_optimizer_init): Declaration changed.
6769 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6771 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6772 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6774 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6776 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6778 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6779 * pa/t-pa64: Delete quadlib.c rule.
6780 * pa/x-ada: Revert last change.
6781 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6783 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6785 PR rtl-optimization/26087
6786 * rtlanal.c (canonicalize_condition): Do not cross basic block
6789 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6792 * config/ia64/ia64.c: Include debug.h.
6793 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6794 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6795 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6796 (process_epilogue, process_set, process_for_unwind_directive):
6797 Output unwind info only if requested. Add CFA info if requested.
6798 Add new arguments as needed. Adjust callers.
6799 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6801 (DWARF2_FRAME_INFO): Define to zero.
6802 * config/ia64/unwind-ia64.c: Remove code that compensated for
6803 the CFA offset error fixed above.
6804 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6805 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6806 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6807 -funwind-tables and -fexceptions to enable frame info.
6808 (dwarf2out_frame_init): Define initial CFA even if
6809 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6810 DWARF2_UNWIND_INFO is nonzero, not just defined.
6811 (dwarf2out_frame_finish): Output non-EH call frame info only
6812 if DWARF2_FRAME_INFO is nonzero.
6813 (convert_cfa_to_loc_list,
6814 compute_frame_pointer_to_cfa_displacement): Define even if
6815 unwind info is not supported.
6816 (gen_subprogram_die): Use the above unconditionally. Remove
6817 legacy alternate code.
6818 * toplev.c (compile_file): Compile in call to
6819 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6820 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6822 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6823 Jakub Jelinek <jakub@redhat.com>
6825 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6826 IBM extended float format long double as "g" on powerpc*-linux.
6828 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6831 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6832 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6834 2006-02-03 Jason Merrill <jason@redhat.com>
6837 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6840 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6841 on the return slot if it's an NRV.
6843 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6845 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6846 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6847 rewrite_use): Do not handle USE_OUTER.
6848 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6849 add_iv_outer_candidates, may_replace_final_value,
6850 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6851 (find_interesting_uses_op): Functionality of
6852 find_interesting_uses_outer_or_nonlin moved here.
6853 (find_interesting_uses_outside): Use find_interesting_uses_op.
6855 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6858 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6860 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6861 Ulrich Weigand <uweigand@de.ibm.com>
6864 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6865 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6866 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6867 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6869 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6870 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6871 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6872 Define secondary reloads for TFmode moves.
6873 (constant_modes): Add TFmode.
6874 (NR_C_MODES): Set to 8.
6875 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6877 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6878 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6879 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6880 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6881 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6882 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6883 (FPR mode macro): Add TFmode.
6884 (DSF mode macro): New.
6885 (<de>, <dee> mode attributes): Removed.
6886 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6887 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6888 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6889 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6890 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6891 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6892 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6893 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6894 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6895 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6896 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6897 "*negabs<mode>2", "sqrt<mode>2"):
6898 Changed <de> to <xde>. R constraint replaced by <Rf>.
6899 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6901 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6902 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6903 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6905 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6906 "extenddftf2", "extendsftf2"): New expanders.
6907 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6908 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6909 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6910 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6912 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6913 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6914 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6915 __floatditf): Add a GCC_4.1.0 symbol version tag.
6916 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6919 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6922 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6923 Use targetm.binds_local_p instead of TREE_PUBLIC.
6925 2006-02-02 Roger Sayle <roger@eyesopen.com>
6927 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6928 on INTEGER_TYPEs to indicate that it denotes a character type.
6929 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6930 signed_char_type_node, unsigned_char_type_node and char_type_node.
6931 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6932 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6933 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6935 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6936 Daniel Berlin <dberlin@dberlin.org>
6938 * tree-tailcall.c (arg_needs_copy_p): New function.
6939 (eliminate_tail_call): Use arg_needs_copy_p.
6940 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6941 (add_virtual_phis): New function.
6943 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6945 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6946 #ignore instead of #scratch for %g7 .register directive.
6948 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6950 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6953 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6955 * flow.c (calculate_global_regs_live): Assert that there aren't any
6958 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6960 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6962 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6963 bsi_after_labels iterator.
6964 * tree-if-conv.c (find_phi_replacement_condition,
6965 replace_phi_with_cond_modify_expr): Likewise.
6966 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6967 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6969 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6971 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6973 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6976 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6977 array after growing it.
6979 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6982 * fold-const.c (fold_checksum_tree): Change type of buf.
6984 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6986 * reload.c (push_secondary_reload): Initialize t_icode.
6988 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6990 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6991 -msoft-float -mlong-double-128 only issue a warning, but don't
6992 swich to DFmode long double.
6994 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6996 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6997 has a constant equivalent, iterate over equivalents for arg0,
6998 calling simplify_relational_operation and if there's a result
6999 cheaper than X, apply fold_rtx and return the result.
7001 2006-02-01 Jan Hubicka <jh@suse.cz>
7003 * opts.c (no_unit_at_a_time_default): New global variable.
7004 (decode_options): Use it.
7005 * opts.h (no_unit_at_a_time_default): Declare.
7007 2006-02-01 Paul Brook <paul@codesourcery.com>
7009 * function.c (assign_parm_setup_reg): Use function argument promotion
7011 * expr.c (expand_expr_real_1): Use function argument promotion rules
7014 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7016 * gcc.c (process_command): Change j to 'unsigned int'.
7018 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7021 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7022 Use the corrected index for the character
7023 out of the string constant.
7025 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7027 * mode-switching.c (optimize_mode_switching): Fix size
7028 allocated for bb_info[n_entities].
7030 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7032 * gcc.c (main): Correct type that is allocated for
7033 explicit_link_files.
7035 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7037 * config/s390/s390.c (init_alignment_context): Set
7038 ALIAS_SET_MEMORY_BARRIER on the MEM.
7039 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7041 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7044 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7046 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7049 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7051 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7052 * regrename.c: Ditto.
7053 * tree-ssa-loop-im.c: Ditto.
7054 * tree-dump.c: Ditto.
7055 * tree-complex.c: Ditto.
7056 * genrecog.c: Ditto.
7057 * tree-ssa-threadupdate.c: Ditto.
7059 * java/class.c: Ditto.
7060 * java/jcf-parse.c: Ditto.
7061 * java/resource.c: Ditto.
7062 * java/except.c: Ditto.
7063 * java/jvspec.c: Ditto.
7064 * java/jcf-write.c: Ditto.
7065 * java/jcf-path.c: Ditto.
7066 * java/gjavah.c: Ditto.
7067 * java/zextract.c: Ditto.
7068 * java/jcf-io.c: Ditto.
7069 * java/jcf.h: Ditto.
7070 * java/buffer.c: Ditto.
7071 * java/lang.c: Ditto.
7072 * java/parse-scan.y: Ditto.
7073 * java/lex.c: Ditto.
7074 * java/lex.h: Ditto.
7075 * cfgloopmanip.c: Ditto.
7076 * postreload-gcse.c: Ditto.
7077 * tree-ssa-loop-manip.c: Ditto.
7078 * postreload.c: Ditto.
7079 * tree-ssa-loop-ch.c: Ditto.
7083 * diagnostic.c: Ditto.
7085 * genoutput.c: Ditto.
7087 * cfghooks.c: Ditto.
7088 * cfgloopanal.c: Ditto.
7089 * objc/objc-act.c: Ditto.
7091 * genextract.c: Ditto.
7092 * genautomata.c: Ditto.
7093 * pretty-print.c: Ditto.
7095 * cgraphunit.c: Ditto.
7098 * haifa-sched.c: Ditto.
7099 * dominance.c: Ditto.
7101 * tree-ssa-loop-ivopts.c: Ditto.
7103 * mode-switching.c: Ditto.
7104 * modulo-sched.c: Ditto.
7106 * ipa-pure-const.c: Ditto.
7108 * fix-header.c: Ditto.
7110 * tree-stdarg.c: Ditto.
7111 * ipa-utils.c: Ditto.
7112 * loop-init.c: Ditto.
7113 * ipa-inline.c: Ditto.
7116 * alloc-pool.c: Ditto.
7117 * dwarf2out.c: Ditto.
7119 * genattrtab.c: Ditto.
7120 * tree-ssa-loop-ivcanon.c: Ditto.
7124 * fortran/gfortranspec.c: Ditto.
7126 * local-alloc.c: Ditto.
7127 * langhooks.c: Ditto.
7128 * function.c: Ditto.
7129 * tree-vectorizer.c: Ditto.
7131 * ipa-type-escape.c: Ditto.
7133 * tree-if-conv.c: Ditto.
7136 * tree-data-ref.c: Ditto.
7137 * loop-unroll.c: Ditto.
7138 * treelang/treetree.c: Ditto.
7141 * ggc-common.c: Ditto.
7143 * coverage.c: Ditto.
7145 * tree-cfgcleanup.c: Ditto.
7146 * tree-ssa-pre.c: Ditto.
7147 * cfgcleanup.c: Ditto.
7148 * loop-invariant.c: Ditto.
7150 * ipa-prop.c: Ditto.
7151 * print-tree.c: Ditto.
7152 * conflict.c: Ditto.
7153 * ggc-page.c: Ditto.
7154 * sched-deps.c: Ditto.
7155 * regclass.c: Ditto.
7156 * tree-object-size.c: Ditto.
7158 * bb-reorder.c: Ditto.
7159 * resource.c: Ditto.
7160 * var-tracking.c: Ditto.
7162 * df-problems.c: Ditto.
7163 * reg-stack.c: Ditto.
7166 * sched-rgn.c: Ditto.
7167 * tree-ssa-structalias.c: Ditto.
7168 * tree-ssa-reassoc.c: Ditto.
7169 * config/darwin-c.c: Ditto.
7170 * config/darwin.c: Ditto.
7171 * config/arm/arm.c: Ditto.
7173 * collect2.c: Ditto.
7176 2006-01-31 Nicolas Pitre <nico@cam.org>
7178 * arm.md (smaxsi3): Make aware of smax_m1.
7181 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7183 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7185 2006-01-31 Richard Guenther <rguenther@suse.de>
7187 * doc/invoke.texi (-msselibm): Document.
7188 * target.h (expand_library_builtin): New target hook.
7189 * builtins.c (expand_builtin): Use expand_library_builtin.
7190 (default_expand_library_builtin): New function.
7191 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7192 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7193 (link_gcc_math_spec): Declare.
7194 (static_specs): Add link_gcc_math_spec.
7195 * expr.h (default_expand_library_builtin): Declare.
7196 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7197 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7198 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7199 * config/i386/i386.opt (msselibm): New target option.
7200 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7201 (ix86_init_sse_abi_builtins): New function.
7202 (ix86_expand_library_builtin): Likewise.
7203 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7204 (override_options): Handle error conditions wrt -msselibm.
7205 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7206 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7207 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7210 2006-01-31 Richard Guenther <rguenther@suse.de>
7211 Paolo Bonzini <bonzini@gnu.org>
7213 * doc/install.texi (--disable-libgcc-math): Document.
7215 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7217 * expr.h (expand_normal): new inline function.
7218 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7220 * dwarf2out.c: use it.
7225 * config/sparc/sparc.c: use it.
7226 * config/i386/i386.c: use it.
7227 * config/rs6000/rs6000.c: use it.
7228 * config/arm/arm.c: use it.
7229 * config/mips/mips.c: use it.
7230 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7232 2006-01-30 Roger Sayle <roger@eyesopen.com>
7234 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7235 argv to the appropriate type.
7237 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7239 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7242 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7245 * config/s390/s390.c (struct machine_function): New flag
7246 decomposed_literal_pool_addresses_ok_p.
7247 (s390_reorg): Set it before final stage of literal pool transforms.
7248 (s390_decompose_address): Only accept displacements of the form
7249 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7251 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7253 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7254 the comparison routine return.
7256 2006-01-30 Michael Matz <matz@suse.de>
7258 * global.c (find_reg): Only evict for global regs.
7259 Take n_refs into account and dump more info.
7261 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7264 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7265 (pragma_trap, pragma_nosave_low_regs): Likewise.
7266 (current_function_anonymous_args): Likewise.
7267 (sh_deferred_function_attributes): New variable.
7268 (sh_deferred_function_attributes_tail): Likewise.
7269 (print_operand): For '@', look up trap_exit attribute.
7270 (calc_live_regs): Look up trapa_handler attribute. For trapa
7271 handlers, save/restore fpscr, but don't do any other
7272 interrupt-specific saves.
7273 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7274 Fix check for partially saved registers to check for SHmedia.
7275 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7276 (sh_output_function_epilogue): Don't clear any of the removed
7278 (sh_insert_attributes): Don't check pragma_interrupt.
7279 Insert deferred attributes. Check that interrupt attribute is
7280 present for other attributes that require its presence.
7281 (sh_attribute_table): Add new attributes trapa_handler and
7283 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7284 Don't check for pragma_interrupt. Don't store argument.
7285 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7286 (sh_deferred_function_attributes): Declare.
7287 (sh_deferred_function_attributes_tail): Likewise.
7288 * sh.md (sp_switch_1): Add operand. Change generator caller.
7289 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7290 (*return_i): Don't use when trap_exit attribute is in effect.
7291 (*return_trapa): New insn pattern.
7293 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7294 setting c_target_objs and cxx_target_objs.
7295 * t-sh: Add rule for sh-c.o.
7297 2006-01-30 Richard Guenther <rguenther@suse.de>
7300 * gimplify.c (gimplify_target_expr): Handle easy cases
7301 without creating a temporary.
7303 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7305 * vec.h (safe_grow): Remove duplicated line.
7307 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7310 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7311 (expand_omp): ... here.
7312 (expand_omp_parallel): Only remove barriers for combined
7313 parallel+workshare constructs.
7315 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7319 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7320 * tree.c (build_qualified_type): Chain the new type to the original
7321 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7322 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7323 (build_pointer_type_for_mode): Only return unqualified types.
7324 (build_reference_type_for_mode): Likewise.
7326 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7328 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7329 * Makefile.in (CXX_COMPAT_WARN): Define.
7330 * configure: Regenerate.
7332 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7335 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7338 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7340 * toplev.c: Fix thinko.
7342 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7343 Marcin Dalecki <martin@dalecki.de>
7345 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7346 (push_srcloc): Use XNEW.
7347 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7349 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7351 * df-core.c (df_set_blocks): Deleted all variable.
7353 2006-01-28 Ian Lance Taylor <ian@airs.com>
7355 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7356 cgraph_output_pending_asms.
7358 2006-01-28 Zack Weinberg <zackw@panix.com>
7360 * c.opt: Add -W(no-)overlength-strings.
7361 * doc/invoke.texi: Document it.
7362 * c-opts.c (c_common_handle_option): -pedantic implies
7363 -Woverlength-strings, if not explicitly disabled already.
7364 (c_common_post_options): -Woverlength-strings defaults to off, and
7365 is always off for C++.
7366 * c-common.c (fix_string_type): Issue warning about strings longer
7367 than is portable only if warn_overlength_strings. Rearrange code
7368 a little for clarity.
7369 * configure.in: Check for -Wno-overlength-strings as well before
7370 enabling -pedantic in stage 1.
7371 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7372 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7374 * genconditions.c (write_header, write_one_condition)
7375 (write_conditions, write_writer): Consolidate very long strings
7376 that were broken up to fit in C89 portable limit. Don't use
7377 printf when fputs will do.
7379 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7381 * combine.c (simplify_comparison <AND>): Check
7382 TRULY_NOOP_TRUNCATION before start using a subreg.
7384 * config/mips/mips.md (*branch_zero<mode>,
7385 *branch_zero<mode>_inverted, *branch_equality<mode>,
7386 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7387 Remove mode check from comparisons.
7389 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7391 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7393 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7395 * expmed.c (const_mult_add_overflow_p): Remove.
7396 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7398 * recog.c (validate_replace_rtx_subexp): Remove.
7399 * recog.h: Remove the prototype for
7400 validate_replace_rtx_subexp.
7402 * integrate.h: Remove the prototype for
7403 copy_decl_for_inlining.
7404 * rtl.h: Remove the prototype for mark_constant_function.
7405 * tree-vectorizer.h: Remove the prototype for
7406 vect_strip_conversion.
7408 * modulo-sched.c (create_partial_schedule,
7409 free_partial_schedule, reset_partial_schedule): Make them
7412 * hooks.c (hook_bool_rtx_int_false): Remove.
7413 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7415 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7417 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7418 and -mlong-double-128 are incompatible.
7419 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7420 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7421 (TARGET_LIBGCC2_CFLAGS): Define.
7422 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7423 (TARGET_LIBGCC2_CFLAGS): Same.
7424 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7426 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7429 * c-typeck.c (build_binary_op): Perform implicit casts of
7430 operands before shortening them.
7432 * cfgloopmanip.c (split_loop_bb): Remove.
7433 * cfgloop.h: Remove the prototype for split_loop_bb.
7435 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7436 * cfgloop.h: Remove the prototype for
7437 flow_loop_outside_edge_p.
7439 * emit-rtl.c (init_virtual_regs): Make it static.
7440 * function.h: Remove the prototype for init_virtual_regs.
7442 * recog.c (peephole2_optimize): Make it static.
7443 * recog.h: Remove the prototype for peephole2_optimize.
7445 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7447 * df-scan.c (df_record_entry_block_defs): Check if
7448 INCOMING_RETURN_ADDR_RTX is defined.
7450 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7451 Kenneth Zadeck <zadeck@naturalbridge.com>
7453 PR rtl-optimization/24762
7454 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7455 * targhooks.c (hook_void_bitmap): New hook prototype.
7456 * targhoohs.h (hook_void_bitmap): Ditto.
7457 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7458 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7459 * target.h (live_on_entry): New function pointer.
7460 * df-scan.c (df_all_hard_regs): Removed.
7461 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7462 (df_scan_free_internal): Added df->entry_block_defs.
7463 (df_scan_alloc): Ditto.
7464 (df_scan_dump): Ditto.
7465 (df_uses_record): Plumbed flag field properly thru calls.
7466 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7467 This part fixes PR24762.
7468 (df_bb_refs_record): Added code to make the frame and arg
7469 pointers live in EH blocks.
7470 (df_refs_record): Added call to df_record_entry_block_defs.
7471 (df_record_entry_block_defs): New function.
7472 * df-core.c: Added comments to describe new artifical defs.
7473 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7474 (entry_block_defs): New field in struct df.
7475 (df_all_hard_regs): Deleted.
7476 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7477 * df-problems.c (df_ru_bb_local_compute_process_def):
7478 Added code to handle artifical defs in the entry to a function.
7479 (df_ru_bb_local_compute): Ditto.
7480 (df_rd_bb_local_compute_process_def): Ditto.
7481 (df_rd_bb_local_compute): Ditto.
7482 (df_lr_bb_local_compute): Ditto.
7483 (df_ur_bb_local_compute): Ditto.
7484 (df_urec_bb_local_compute): Ditto.
7485 (df_chain_create_bb): Ditto.
7486 (df_ur_local_finalize): Removed entry.
7487 (df_urec_init): Ditto.
7488 (df_urec_local_finalize): Ditto.
7489 (df_ri_bb_compute): Added detection of last use of pseudos.
7490 * Makefile.in (df-scan.o): Updated dependencies.
7491 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7492 * config/mips/mips.c (mips_set_live_on_entry): Added.
7493 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7495 * dce.c (marked_insn_p): Added code to handle artifical defs.
7497 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7499 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7501 (_mm_cvtsi128_si64): Likewise.
7502 (_mm_cvtsd_si64): Likewise.
7503 (_mm_cvttsd_si64): Likewise.
7504 (_mm_cvtsi64_sd): Likewise.
7505 (_mm_cvtsi64_si128): Likewise.
7506 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7507 (_mm_cvtsi64_m64): Likewise.
7508 (_m_to_int64): Likewise.
7509 (_mm_cvtm64_si64): Likewise.
7510 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7511 (_mm_cvttss_si64): Likewise.
7512 (_mm_cvtsi64_ss): Likewise.
7513 (_mm_cvtss_f32): Likewise.
7515 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7517 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7518 for pragma redefine_extname.
7520 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7523 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7524 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7525 -mno-minimal-toc to previous content.
7526 (bispecs): Remove goal.
7527 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7528 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7529 compatibility aliases on powerpc-*-*gnu*.
7530 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7531 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7532 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7533 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7534 (ldblspecs): New goal.
7535 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7536 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7538 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7539 L_sf_to_tf or L_df_to_tf is defined.
7541 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7542 Alan Modra <amodra@bigpond.net.au>
7545 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7546 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7547 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7548 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7549 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7550 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7551 (rs6000_override_options): Initialize rs6000_ieeequad.
7552 Initialize TFmode format to ibm_extended_format if not
7554 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7556 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7557 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7558 (function_arg_advance): IBM long double passed in two FPRs, not
7560 (function_arg): IBM long double passed in FPRs.
7561 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7562 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7563 Only multireg GPR aligned.
7564 (rs6000_init_libfuncs): Enable IBM long double functions if not
7566 (rs6000_generate_compare): Use IBM long double compare if not
7568 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7569 (TARGET_IEEEQUAD): Define.
7570 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7571 not TARGET_IEEEQUAD.
7572 * config/rs6000/rs6000.md: Enable TFmode patterns if
7574 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7575 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7576 and -mlong-double-128 are incompatible.
7577 * doc/invoke.texi (-mabi): Collect options together. Add
7578 ibmlongdouble and ieeelongdouble.
7580 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7582 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7584 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7585 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7586 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7587 * rtl.h (rtunion_def): Remove rt_ptr.
7589 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7590 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7591 * config/i386/winnt.c (i386_pe_mark_dllexport)
7592 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7594 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7596 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7598 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7602 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7603 pthread_key_delete. From John David Anglin. gthrw-ify
7604 pthread_getunique_np only if it it's not a macro. Delete
7606 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7607 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7608 __gthread_objc_condition_signal, __gthread_key_delete): Add
7609 "__attribute__ ((__unused__))" to unused arguments.
7610 (__gthread_recursive_mutex_init_function): Add missing return.
7611 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7612 gthr-posix95.h: Use macro-based approach for name redirection
7613 on targets missing weakref.
7615 2006-01-26 Zack Weinberg <zackw@panix.com>
7617 * genconditions.c (write_header): In generated code, #ifdef out
7618 all includes and fake declarations, except includes of bconfig.h
7619 and system.h, unless GCC_VERSION >= 3001. Do not include
7620 gensupport.h in any case.
7621 (write_conditions): Generate a definition of struct c_test. Add
7622 a comment to the generated #endif.
7623 (write_one_condition): Escape backslashes in string too.
7624 (write_writer): Generated code must escape backslashes and quote
7625 marks (but not newlines) in the strings it writes.
7626 * Makefile.in (build/gencondmd.o): Update dependencies.
7628 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7631 * Makefile.in (insn-automata.o): Add header file dependencies.
7632 * genautomata.c: Add includes.
7634 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7637 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7639 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7641 * configure.ac: Expect target tools paths to be passed from the toplevel
7642 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7644 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7646 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7649 * c.opt (Wpointer-sign): Init to -1.
7650 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7651 OPT_pedantic, to 0 otherwise.
7652 * doc/invoke.texi: Update.
7654 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7656 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7657 constants provided by 80387 instructions in the destination mode.
7659 2006-01-26 Richard Guenther <rguenther@suse.de>
7660 Andrew Pinski <pinskia@physics.uc.edu>
7663 partial PR tree-opt/17064
7664 * tree-ssa-structalias.c (intra_create_variable_infos):
7665 Create heap variables for incoming parameters if
7666 flag_argument_noalias > 1.
7667 (find_what_p_points_to): Look through default defs of
7670 2006-01-26 Jeff Law <law@redhat.com>
7673 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7674 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7675 within the VR_RANGE, use the VR_RANGE as the result, not the
7677 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7678 bounds for the type.
7680 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7682 * tree-ssa-alias.c (maybe_create_global_var): Change
7683 subvar walking to an assertion that we don't have subvar'd variables.
7685 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7688 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7689 Use a new variable, inner. PARM_DECLs are always non-weak.
7691 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7693 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7696 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7698 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7700 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7702 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7703 (smax_insn, smin_insn, smax_0, smin_0): New.
7705 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7708 * config/cris/cris.c (cris_order_for_addsi3): New function.
7709 * config/cris/cris-protos.h: Prototype it.
7710 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7711 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7712 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7713 (split for "op.S1 [rx=rx+i],ry (swapped)")
7714 (split for "op(s|u).S1 [rx=rx+i],ry")
7715 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7716 Apply cris_order_for_addsi3 when generating addsi3 insns.
7718 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7720 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7721 (TREE_BLOCK): Add call to EXPR_CHECK.
7723 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7726 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7727 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7728 (dump_omp_clauses): ... here.
7729 (dump_generic_node): Handle OMP_CLAUSE.
7730 * tree.c (omp_clause_num_ops): New.
7731 (omp_clause_code_name): New.
7732 (tree_code_size): Handle OMP_CLAUSE.
7733 (tree_size): Likewise.
7734 (make_node): Document handling of OMP_CLAUSE.
7735 (tree_node_structure): Handle OMP_CLAUSE.
7736 (omp_clause_check_failed): New.
7737 (omp_clause_range_check_failed): New.
7738 (omp_clause_operand_check_failed): New.
7739 (build_omp_clause): New.
7740 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7741 * tree.h (enum omp_clause_code): Declare.
7742 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7743 (OMP_CLAUSE_RANGE_CHECK): Define.
7744 (OMP_CLAUSE_ELT_CHECK): Define.
7745 (omp_clause_check_failed): Declare.
7746 (omp_clause_operand_check_failed): Declare.
7747 (omp_clause_range_check_failed): Declare.
7748 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7749 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7750 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7751 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7752 (OMP_CLAUSE_IF_EXPR): Likewise.
7753 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7754 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7755 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7756 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7757 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7758 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7759 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7760 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7761 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7762 (OMP_CLAUSE_CODE): Define.
7763 (OMP_CLAUSE_SET_CODE): Define.
7764 (OMP_CLAUSE_CODE): Define.
7765 (OMP_CLAUSE_OPERAND): Define.
7766 (struct tree_omp_clause): Declare.
7767 (union tree_node): Add field 'omp_clause'.
7768 * treestruct.def (TS_OMP_CLAUSE): Define.
7769 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7770 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7771 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7772 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7773 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7774 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7775 (OMP_CLAUSE): Define.
7776 * print-tree.c (print_node): Handle OMP_CLAUSE.
7777 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7778 * c-typeck.c: Likewise.
7779 * gimplify.c: Likewise.
7780 * c-omp.c: Likewise.
7781 * tree-nested.c: Likewise.
7782 * tree-inline.c: Likewise.
7783 * c-parser.c: Likewise.
7784 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7787 2006-01-25 Roger Sayle <roger@eyesopen.com>
7789 PR rtl-optimization/25703
7790 * combine.c (try_combine): Handle zero_extract and strict_low_part
7791 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7793 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7795 * global.c: Fix comment typos.
7797 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7800 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7801 Use output_addr_const instead of assemble_name.
7803 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7805 * Makefile.in (sched-vis.o): Update dependencies.
7806 * haifa-sched.c (sched_finish): Clear current_sched_info.
7807 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7808 (dump_flow_info): Call it.
7809 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7811 * basic-block.h (dump_bb_info): Declare.
7812 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7813 option, and apply options only for dump files whose TDF_RTL,
7814 TDF_TREE, or TDF_IPA bits match.
7815 * rtl.h: Declare new functions exported from sched-vis.c.
7816 * sched-vis.c: Enable also if scheduling is not used.
7817 (print_value): Print the mode of registers if not inside scheduling.
7818 (print_insn): Make it work outside the scheduler. Beautify the output
7820 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7822 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7824 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7825 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7826 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7827 depending on the value of CONSTANT_POOL_ADDRESS_P.
7828 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7830 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7831 rather than SYMBOL_REF_DECL.
7832 (rtx_constant_pool): Remove const_rtx_sym_htab.
7833 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7834 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7835 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7836 Remove handling of const_rtx_sym_htab.
7837 (find_pool_constant): Delete.
7838 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7839 rather than find_pool_constant.
7840 (get_pool_constant_for_function): Delete.
7841 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7843 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7844 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7845 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7846 (SYMBOL_REF_CONSTANT): New macro.
7847 (get_pool_constant_for_function): Delete.
7848 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7849 rather than SYMBOL_REF_DECL.
7850 (i386_pe_mark_dllimport): Likewise.
7851 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7852 rather than SYMBOL_REF_DECL.
7853 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7854 (machopic_indirect_call_target): Likewise.
7856 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7858 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7860 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7862 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7864 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7866 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7868 2006-01-24 David Daney <ddaney@avtrex.com>
7871 * configure.ac (enable_tls): New enable option.
7872 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7873 * configure: Regenerate.
7874 * doc/install.texi (--enable-tls): Document new option.
7875 (--disable-tls): Ditto.
7877 2006-01-24 Richard Henderson <rth@redehat.com>
7879 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7880 * alias.c (true_dependence): Respect it.
7881 (canon_true_dependence, write_dependence_p): Likewise.
7882 * builtins.c (get_builtin_sync_mem): Set it.
7884 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7886 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7889 2006-01-24 DJ Delorie <dj@redhat.com>
7891 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7892 for storing constants in single-bit bitfields.
7894 2006-01-25 Ben Elliston <bje@au.ibm.com>
7896 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7898 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7901 * tree-ssa-pre.c (phi_translate): Return NULL
7902 for AGGREGATE_TYPE's.
7904 2006-01-24 Zack Weinberg <zackw@panix.com>
7906 * genautomata.c (process_state_for_insn_equiv_partition):
7907 Use xcalloc for insn_arcs_array.
7908 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7909 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7911 2006-01-24 Richard Henderson <rth@redhat.com>
7913 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7916 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7918 PR rtl-optimization/25890
7919 PR rtl-optimization/25905
7920 * combine.c (expand_compound_operation, expand_field_assignment):
7921 Fail if the bitfield's final position is out of bounds.
7923 2006-01-24 Ian Lance Taylor <ian@airs.com>
7926 * cgraphunit.c (cgraph_output_in_order): Don't clear
7927 cgraph_asm_nodes until after asm strings have been output.
7929 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7931 * fix-header.c (read_scan_file): Add new parameter imultilib when
7932 calling register_include_chains.
7934 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7936 * omp-low.c: Update documentation.
7938 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7939 Daniel Berlin <dberlin@dberlin.org>
7943 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7944 return from the function.
7946 2006-01-22 Zack Weinberg <zackw@panix.com>
7948 * rtl.def (match_code): Add second argument.
7949 * genpreds.c (write_extract_subexp): New function.
7950 (write_match_code): Add path argument. Use write_extract_subexp.
7951 (write_predicate_expr): Pass path to write_match_code.
7952 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7953 not perform a mode test.
7954 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7955 a subexpression does not constrain the top-level code set.
7956 * read-rtl.c (read_rtx_variadic): New function.
7957 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7958 * doc/md.texi: Document new notation.
7959 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7960 (cmpsi_operand): ... here, using new notation.
7962 2006-01-22 Zack Weinberg <zackw@panix.com>
7964 * varray.c: Remove GENERATOR_FILE #ifdefs.
7966 2006-01-22 Zack Weinberg <zackw@panix.com>
7968 * genautomata.c (output_reserved_units_table): Emit nothing if
7969 description->query_units_num is zero. Remove extra blank line.
7970 (output_cpu_unit_reservation_p): Short circuit
7971 if description->query_units_num is zero.
7973 2006-01-22 Zack Weinberg <zackw@panix.com>
7975 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7976 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7977 nor any of the random handful of variables that used to be necessary
7978 when this program was linked with rtlanal.o. Prune set of forward
7979 function declarations.
7980 (struct attr_desc): Remove static_p field.
7981 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7982 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7983 (attr_string): Do not read the character one past the length of
7985 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7986 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7987 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7988 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7989 (make_automaton_attrs): New.
7990 (main): Do not call into genautomata. Call local gen_bypass
7991 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7992 Remove special case for insn_alts.
7993 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7994 varray.h (leftover from previous change). Prune set of forward
7995 function declarations. Remove state_alts fields from all
7996 structures. Remove state_alts_table from struct automaton.
7997 Make everything except main static. Do not maintain num_dfa_decls.
7998 Do not maintain state_alts fields of various structures.
7999 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8000 (add_arc): Remove state_alts argument. All callers updated.
8001 (output_reserved_units_table): Emit #ifdef here...
8002 (output_tables): ...not here. Don't generate state_alts tables.
8003 (expand_automata): Don't generate attributes.
8004 (write_automata): Don't generate state_alts functions.
8005 (main): New function.
8006 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8007 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8008 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8009 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8010 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8011 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8012 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8013 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8015 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8016 * genattrtab.h: Delete file.
8017 * Makefile.in (OBJS-common): Add insn-automata.o.
8018 (insn-automata.o): New rule.
8019 (simple_generated_c): Add insn-automata.c.
8020 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8021 (genprogmd): Add automata.
8022 (build/genattrtab): Needs no extra objects nor libraries.
8023 (build/genautomata): Needs build/vec.o and -lm.
8025 2006-01-22 Zack Weinberg <zackw@panix.com>
8027 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8028 (output_dfa_max_issue_rate, locked_states_num): Delete.
8029 (struct automaton): Add locked_states field.
8030 (output_dead_lock_vect): Save number of locked states in
8031 automaton->locked_states. If it is zero, don't print anything.
8032 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8033 (output_internal_dead_lock_func): Only test the dead_lock_vect
8034 for automata that have locked states.
8035 (output_statistics): Always print the number of locked states for
8036 each automaton. Calculate total number of locked states here.
8037 (write_automata): Don't call output_dfa_max_issue_rate.
8038 * genattrtab.c: Define length_unit_log as a const variable.
8039 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8040 max_insn_queue_index const.
8041 * final.c (length_unit_log): Declare const.
8042 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8044 2006-01-22 Zack Weinberg <zackw@panix.com>
8046 * genautomata.c: Include vec.h, not varray.h.
8047 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8048 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8049 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8050 VEC_* macros operating on appropriately typed vectors, or to
8051 malloced arrays when the size is known in advance. Const-ify
8052 many char* variables and function arguments. No functional changes.
8053 * Makefile.in (build/varray.o): Delete rule.
8054 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8055 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8057 2006-01-22 Zack Weinberg <zackw@panix.com>
8059 * gensupport.c: Define get_insn_name and record_insn_name here.
8060 (read_md_rtx): Call record_insn_name as appropriate.
8061 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8062 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8063 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8065 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8066 (BUILD_VARRAY): Delete.
8067 (genprognormal): Rename genprogmd. Fold in all programs from
8068 genprognoprint; also attrtab.
8069 (build/genattrtab): Just mention genautomata.o and varray.o.
8070 Reorganize a bit, add comments to make the categories clearer.
8072 2006-01-22 Zack Weinberg <zackw@panix.com>
8074 * genconditions.c (condition_table, add_condition): Delete.
8075 (write_conditions): Don't emit n_insn_conditions nor
8076 insn_elision_unavailable. Issue the gcc version #ifdef here,
8077 inside the table, with no #else clause ...
8078 (write_header): ...not here.
8079 (write_writer): New function.
8080 (main): Don't initialize condition_table. Use add_c_test.
8082 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8083 files on the command line.
8084 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8085 Return -1 if there is no entry in the table, don't abort.
8086 (add_c_test, traverse_c_tests): New functions.
8087 * gensupport.h (insn_elision_unavailable, insn_conditions)
8088 (n_insn_conditions): Delete declarations.
8089 (add_c_test, traverse_c_tests): Declare.
8090 * read-rtl.c: Include gensupport.h.
8091 (read_conditions): New function.
8092 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8093 (read_rtx_1): If we get EOF when we were looking for an initial
8094 open paren, return 0. Call read_conditions when appropriate.
8095 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8096 dummy-conditions.o. Eliminate references to insn-conditions.o,
8097 or change them to build/gencondmd.o, as appropriate. Remove
8098 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8099 from $(simple_generated_c). For all files remaining in those
8100 two lists, add insn-conditions.md to the generator command line.
8101 Give insn-constants.h/s-constants their own rules. Add rules
8102 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8103 (build/read-rtl.o): Depend on gensupport.h.
8104 (genprognormal): Include preds.
8105 (genprogearly): Rename genprognoprint; only difference is now that
8106 they don't link with $(BUILD_PRINT).
8107 * dummy-conditions.c: Delete.
8109 2006-01-22 Zack Weinberg <zackw@panix.com>
8111 * genextract.c: Don't include insn-config.h. Do include vec.h.
8112 Declare vectors of int, char, and locstr.
8113 (locstr): New typedef.
8114 (struct extraction): Make all array fields into bare pointers.
8115 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8116 (insn_code_number): Delete.
8117 (accum_extract): New struct.
8118 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8119 (gen_insn): Take insn_code_number as an argument. Use an
8120 accum_extract structure instead of loading data directly into
8121 a struct extraction, and having to know how big it might get.
8122 (walk_rtx): Operate entirely on an accum_extract structure.
8123 (print_path): Avoid unnecessary use of printf.
8124 (print_header): New function, split out of main. Distinguish
8125 more carefully between an unrecognizable insn and an insn that
8126 has the code number of a define_expand.
8127 (main): Pass insn_code_number to gen_insn. Call print_header
8128 only after parsing. Avoid unnecessary use of printf.
8129 * Makefile.in (build/vec.o): New rule.
8130 (build/genextract): Depend on build/vec.o.
8131 (build/genextract.o): Don't depend on insn-config.h.
8133 2006-01-22 Zack Weinberg <zackw@panix.com>
8135 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8136 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8137 practical. Eliminate per-generator-program link rules.
8139 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8142 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8143 with a call expr to ...
8144 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8146 2006-01-23 Richard Guenther <rguenther@suse.de>
8148 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8149 before make_edge with conditional EDGE_TRUE_VALUE.
8151 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8152 Jan Hubicka <jh@suse.cz>
8153 Richard Guenther <rguenther@suse.de>
8155 PR rtl-optimization/25654
8156 * cfgexpand.c (aggregate_contains_union_type): New function.
8157 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8158 for structure variables that contain a union type.
8160 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8162 * gengtype.c (new_structure): Return the structure.
8163 (create_option): Add an extra "next" argument.
8164 (create_field): New function.
8165 (adjust_field_rtx_def): Use create_option and create_field.
8166 Remove a now-unnecessary call to find_structure.
8167 (adjust_field_tree_def): Likewise.
8168 (note_yacc_type): Remove an unnecessary call to find_structure.
8169 * gengtype.h (new_structure): Return the structure.
8170 (create_option): Add an extra argument.
8171 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8172 (option): Adjust calls to create_option.
8174 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8176 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8178 2006-01-22 Paul Brook <paul@codesourcery.com>
8179 Peter Barada <peter@the-baradas.com>
8181 * config/m68k/m68k.md: Add Coldfire FPU support.
8182 Define FP mode macro and associated attributes.
8183 Use it for float mode patterns.
8184 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8185 (LIBCALL_VALUE): Use m68k_libcall_value.
8186 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8187 (m68k_function_value): Ditto.
8188 (emit_move_sequence): Ditto.
8189 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8190 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8191 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8192 (MULTILIB_EXCEPTIONS): Ditto.
8193 * config/m68k/m68k.opt: Add mcfv4e.
8194 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8195 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8196 (m68k_output_function_prologue): Save ColdFire FPU registers.
8197 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8198 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8199 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8200 ColdFire FPU registers.
8201 (m68k_libcall_value, m68k_function_value): New functions.
8202 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8203 (LIBCALL_VALUE): Use m68k_libcall_value.
8204 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8205 (MASK_COLDFIRE): Add MASK_CFV4E.
8206 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8207 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8208 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8209 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8210 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8211 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8212 * doc/invoke.tex: Document -mcfv4e on m68k.
8214 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8216 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8219 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8222 * c-opts.c (c_common_handle_option): Don't include
8223 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8224 * doc/invoke.texi (C++ Dialect Options): Document that
8225 -Wnon-virtual-dtor is no longer included in -Wall.
8227 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8229 * gcov.c (print_version), gcov-dump.c (print_version),
8230 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8233 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8235 * df-scan.c (problem_SCAN): Added NULL reset function.
8236 (df_scan_reset_blocks): Added code to call reset block function
8237 (df_bb_refs_delete) Fixed comment.
8238 (df_insn_refs_delete): Made tolerant of deleting non existent info
8239 for dataflow problems that need to be reset.
8240 * df-core.c (df_set_blocks): Ditto.
8241 * df.h (struct df_problem): Added reset_fun.
8242 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8243 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8244 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8245 functions to clear out all references to def-use or use-def chains.
8247 2006-01-21 Ben Elliston <bje@au.ibm.com>
8249 * varasm.c (assemble_real): Initialise data array.
8251 2006-01-20 Paul Brook <paul@codesourcery.com>
8253 Merge from csl-arm-branch.
8254 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8255 * config/arm/arm.md (movdi): Force operands[1] to a register
8256 if we have a non-register source.
8257 (*arm_movdi, *movdf_soft_insn): Require that one of the
8258 operands be a register.
8259 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8260 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8262 2006-01-20 DJ Delorie <dj@redhat.com>
8264 * varasm.c (initialize_constant_valid_p): Allow pointers
8265 initialized from integer constants of lesser precision.
8266 (output_constant): Allow non-int-sized pointer modes to be
8267 initialized from integer constants.
8269 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8272 * cppdefault.h (struct default_include): Add multilib flag.
8273 * cppdefault.c (cpp_include_defaults): Set it.
8274 * c.opt (-imultilib): New option.
8275 * c-opts.c (imultilib): New.
8276 (c_common_handle_option): Handle -imultilib.
8277 (c_common_post_options): Likewise.
8278 * c-incpath.c (add_standard_paths, register_include_chains):
8280 * c-incpath.h (register_include_chains): Add extra parameter.
8281 * gcc.c (do_spec_1): Generate -imultilib option.
8282 (The Specs Language): Update %I description.
8283 (process_command): Update copyright notice.
8284 * doc/cppopts.texi (-imultilib): Document.
8285 * doc/invoke.texi (-imultilib): Include in option summary.
8286 (%I): Update specs documentation.
8288 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8290 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8292 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8294 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8297 2006-01-20 Richard Guenther <rguenther@suse.de>
8298 Steven Bosscher <stevenb.gcc@gmail.com>
8300 PR rtl-optimization/24626
8301 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8302 EDGE_TRUE_VALUE if in RTL mode.
8305 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8306 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8308 2006-01-20 Dirk Mueller <dmueller@suse.com>
8311 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8312 instead of a special NOP marker.
8313 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8314 NOP marker handling.
8315 * c-common.h (empty_body_warning): Add forward declaration.
8316 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8317 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8319 2006-01-20 Paul Brook <paul@codesourcery.com>
8321 * Makefile.in (lang_checks): Keep going if mkdir fails.
8323 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8325 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8326 be able to clean out basic block when not necessary.
8327 (df_scan_free): Fixed to properly delete information if df is
8328 unused before calling df_finish.
8329 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8330 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8332 (df_bb_refs_delete): New function.
8333 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8334 * df-core.c (df_set_blocks): Added code to properly clean out
8335 unused blocks if they are not part of the blocks to consider.
8336 Added additional null check.
8337 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8338 be able to clean out basic block when not necessary
8339 * df.h (df_free_bb_function): Ditto.
8340 (df_bb_refs_delete): New function.
8341 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8342 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8343 basic block parameter to be able to clean out basic block when not
8345 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8346 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8347 Fixed to properly delete information if df is unused before
8350 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8352 PR rtl-optimization/25799
8353 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8354 Corrected confluence operator to remove bits from op2 before oring
8355 with op1 rather than removing bits from op1.
8356 (df_ru_transfer_function): Corrected test on wrong bitmap which
8357 caused infinite loop. Both of these problems were introduced in
8358 the dataflow rewrite.
8360 2006-01-19 DJ Delorie <dj@redhat.com>
8362 * reload1.c (find_reload_regs): Note the details of reload
8363 failures in the dump file.
8364 (spill_failure): Likewise.
8366 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8368 * loop-iv.c: Include df.h and hashtab.h.
8369 (enum iv_grd_result): New enum.
8370 (DF_REF_IV, DF_REF_IV_SET): New macros.
8371 (struct biv_entry): New.
8372 (df, bivs): New global variables.
8373 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8374 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8376 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8377 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8378 analyzed_for_bivness_p, record_biv): New functions.
8379 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8380 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8381 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8383 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8385 (iv_number_of_iterations): Use new interface to iv analysis.
8386 * loop-unroll.c: Do not include varray.h.
8387 (analyze_iv_to_split_insn): Use new interface to iv
8389 * loop-unswitch.c (may_unswitch_on): Ditto.
8390 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8392 (df_bb_modify): Realloc tables to the new index.
8393 (df_find_use): New function.
8394 * df.h (df_find_use): Declare.
8395 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8397 * cfgloop.h (struct rtx_iv): Remove analysed field.
8398 (iv_get_reaching_def): Removed.
8399 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8400 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8401 (loop-iv.o): Add df.h and hashtab.h dependency.
8402 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8404 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8407 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8409 (__floatundisf, __floatundidf): Likewise.
8410 * libgcc2.h (IS_IBM_EXTENDED): Define.
8412 2006-01-19 DJ Delorie <dj@redhat.com>
8414 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8416 2006-01-19 Paul Brook <paul@codesourcery.com>
8418 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8419 as nothrow when unwinding tables are disabled.
8421 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8424 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8425 of bit-field" when in system header.
8427 2006-01-19 DJ Delorie <dj@redhat.com>
8429 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8430 the 16 bit shift limit of the m16c.
8432 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8435 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8436 * config/i386/i386.c (output_set_got): Output the label if we have one
8437 for the TARGET_DEEP_BRANCH_PREDICTION case.
8439 2006-01-19 Jan Hubicka <jh@suse.cz>
8440 H.J. Lu <hongjiu.lu@intel.com>
8441 Evandro Menezes <evandro.menezes@amd.com>
8443 * invoke.texi (generic): Document
8445 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8446 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8447 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8448 (x86_use_incdec, x86_pad_returns): New variables
8449 (TARGET_CPU_DEFAULT_generic): New constant
8450 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8451 (enum processor_type): Add generic32 and generic64.
8452 * i386.md (cpu attribute): Add generic32/generic64
8453 (movhi splitter): Behave sanely when both partial_reg_dependency and
8454 partial_reg_stall are set.
8455 (K8 splitters): Enable for generic as well.
8456 * predicates.md (incdec_operand): Use TARGET_INCDEC
8457 (aligned_operand): Avoid memory mismatch stalls.
8458 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8459 * ppro.md: Enable for generic32
8460 * i386.c (generic64_cost, generic32_cost): New.
8461 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8462 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8463 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8464 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8465 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8466 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8467 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8468 x86_accumulate_outgoing_args, x86_prologue_using_move,
8469 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8470 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8472 (x86_use_incdec, x86_pad_returns): New.
8473 (override_options): Add generic32 and generic64, translate "generic"
8474 to generic32/generic64 and "i686" to "generic32", refuse
8475 "generic32"/"generic64" as arch target.
8476 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8477 (ix86_reorg): Honor PAD_RETURNS.
8479 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8481 * tree-pretty-print.c (dump_generic_node): Handle
8482 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8483 * cgraph.c (cgraph_expand_queue): Rename from
8484 cgraph_analyze_queue. Update all users.
8485 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8486 cgraph_expand_queue.
8487 (cgraph_expand_all_functions): Likewise.
8488 (cgraph_finalize_pending_functions): Remove. Update callers.
8490 * tree.h (OMP_DIRECTIVE_P): Define.
8491 (OMP_PARALLEL_FN): Define.
8492 (OMP_PARALLEL_DATA_ARG): Define.
8493 (OMP_SECTIONS_SECTIONS): Define.
8494 * tree-pass.h (pass_expand_omp): Declare.
8495 * omp-low.c (struct omp_region): Declare.
8496 (struct omp_context): Remove fields 'parallel_type',
8497 'parallel_start_ix' and 'parallel_start_additional_args'.
8499 (struct omp_for_data): Rename from struct expand_omp_for_data.
8500 (omp_regions): New static variable.
8501 (root_omp_region): New static variable.
8502 (find_omp_clause): Make static.
8503 (is_in_combined_parallel_ctx): Remove.
8504 (is_combined_parallel): New.
8505 (extract_omp_for_data): Move earlier in the file.
8506 (workshare_safe_to_combine_p): New.
8507 (get_ws_args_for): New.
8508 (determine_parallel_type): Move earlier in the file.
8509 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8511 (omp_copy_decl): Likewise.
8512 (create_omp_child_function): Likewise.
8513 (lookup_omp_region): New.
8514 (dump_omp_region): New.
8515 (debug_omp_region): New.
8516 (debug_all_omp_regions): New.
8517 (new_omp_region): New.
8518 (scan_omp_parallel): If parallel_nesting_level > 1, the
8519 directive is nested within another parallel directive.
8520 Set OMP_PARALLEL_FN.
8521 (scan_omp_for): Do not try to handle combined parallel+for
8523 Remove FIXME comment.
8524 (scan_omp_nested): Remove.
8525 (scan_omp_1): Do not call scan_omp_nested when
8526 parallel_nesting_level is > 1.
8527 Do not change the DECL_CONTEXT of local variables found.
8528 (lookup_decl_in_outer_ctx): New.
8529 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8530 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8531 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8532 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8533 If CTX is nested, lookup VAR in the outer context when
8534 building copy assignment.
8535 (lower_send_clauses): Rename from expand_send_clauses.
8536 If CTX is nested, lookup VAR in the outer context when
8537 building copy assignments.
8538 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8539 If CTX is nested, lookup VAR in the outer context when
8540 building copy assignments.
8541 (expand_parallel_call): Rename from build_parallel_call.
8542 Handle combined parallel+workshare cases.
8543 Re-implement to emit code into the CFG.
8545 (expand_omp_parallel): Re-implement to emit code into the CFG.
8546 Call move_sese_region_to_fn to outline the sub-graph
8547 containing the parallel region.
8548 (expand_omp_for_1): Remove.
8549 (expand_omp_for_generic): Re-implement to emit code into the
8551 (expand_omp_for_static_nochunk): Likewise.
8552 (expand_omp_for_static_chunk): Likewise.
8553 (expand_omp_for): Likewise.
8554 (expand_omp_sections): Likewise.
8555 (remove_exit_barriers): New.
8556 (expand_omp_synch): New.
8558 (build_omp_regions_1): New.
8559 (build_omp_regions): New.
8560 (execute_expand_omp): New.
8561 (gate_expand_omp): New.
8562 (pass_expand_omp): Define.
8563 (lower_omp_sections): Rename from expand_omp_sections.
8564 Set OMP_SECTIONS_SECTIONS.
8565 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8566 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8567 (lower_omp_single): Rename from expand_omp_simple.
8568 (lower_omp_master): Rename from expand_omp_master.
8569 (lower_omp_ordered): Rename from expand_omp_ordered.
8570 (lower_omp_critical): Rename from expand_omp_critical.
8571 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8572 (lower_omp_for): Re-implement.
8573 (lower_omp_parallel): Re-implement.
8574 (lower_regimplify): Rename from expand_regimplify.
8575 (lower_omp_1): Rename from expand_omp_1.
8576 If there are syntax errors in the program, replace every
8577 OpenMP directive with NOP.
8578 Call lower_omp_* instead of expand_omp_*.
8579 (lower_omp): Rename from expand_omp.
8581 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8582 * tree-gimple.h (enum omp_parallel_type): Remove.
8583 (gimple_boolify): Declare extern.
8584 (find_omp_clause, determine_parallel_type): Remove.
8586 * gimple-low.c (lower_omp_directive): New.
8587 (lower_stmt): Call it.
8588 (record_vars_into): Move from ...
8589 (record_vars): ... here.
8590 Call record_vars_into with current_function_decl.
8592 * gimplify.c (struct gimplify_ctx): Remove fields
8593 combined_pre_p and combined_ctxp. Update users.
8594 (get_formal_tmp_var): Add documentation.
8595 (gimple_boolify): Make extern.
8596 (gimplify_expr_in_ctx): Remove. Update callers.
8597 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8598 will always be a BIND_EXPR.
8599 (gimplify_expr): Handle OMP_RETURN_EXPR.
8600 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8601 (OMP_PARALLEL): Add 3 operands.
8602 (OMP_SECTIONS): Add 1 operand.
8603 (OMP_RETURN_EXPR): Define.
8605 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8606 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8607 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8608 creating a circular free list.
8609 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8611 * tree-flow.h (move_sese_region_to_fn): Declare.
8612 (record_vars_into): Declare.
8613 * tree-cfg.c (make_omp_sections_edges): New.
8614 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8615 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8616 OMP_SECTIONS and OMP_SECTION.
8617 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8618 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8619 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8620 (gather_blocks_in_sese_region): New.
8621 (struct move_stmt_d): Declare.
8623 (move_block_to_fn): New.
8624 (move_sese_region_to_fn): New.
8626 * passes.c (init_optimization_passes): Schedule
8627 pass_expand_omp after pass_init_datastructures.
8629 * tree-ssa-operands.c (get_expr_operands): Handle
8630 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8631 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8633 2006-01-19 Jeff Law <law@redhat.com>
8635 * tree-vrp.c (extract_range_from_assert): Refine the result range
8636 if the variable referenced by the ASSERT_EXPR has a range and
8637 either the tentative result range or the previous range is a
8640 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8642 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8644 2006-01-19 Jan Hubicka <jh@suse.cz>
8646 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8648 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8650 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8651 (expand_compound_operation, expand_field_assignment): Fail if the
8652 bit lengths of an extract operation are out of range.
8653 (make_extraction): Compute wanted_inner_mode based on the position
8654 and length of the extraction. Make it extraction_mode for non-constant
8655 positions, and do not modify offset in that case. When generating a
8656 new MEM, use a mode that can hold the extraction while keeping correct
8657 alignment. Remove code that supported MEMs wrapped by USEs.
8658 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8660 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8662 * config/s390/s390.md ("Y", "y"): New mode attribute.
8663 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8664 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8665 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8666 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8667 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8668 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8669 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8670 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8671 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8672 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8673 "addsi3", "subsi3"): Insn patterns removed.
8674 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8675 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8676 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8677 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8678 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8679 "*sub<mode>3_cconly2"): New insn patterns.
8680 ("addsi3", "subsi3"): New expanders.
8682 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8684 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8685 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8686 existing STMT_VINFO_VECTYPE if available.
8687 (vect_mark_relevant): Add special handling for stmts that are
8688 marked as STMT_VINFO_IN_PATTERN_P.
8689 (vect_analyze_loop): Call vect_pattern_recog.
8690 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8691 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8693 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8694 (vect_recog_func_ptr): New function-pointer type.
8695 * tree-vect-patterns.c: New file.
8696 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8697 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8698 (vect_pattern_recog_1): New functions.
8699 (vect_pattern_recog_funcs): New array of function pointers.
8701 * tree-vectorizer.h (ternary_op): New enum value.
8702 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8703 declaration. Revised documentation. Removed redundant dump prints.
8704 Removed redundant argument. Added support for reduction patterns.
8705 (vectorizable_reduction): Added support for reduction patterns.
8706 (vect_transform_stmt): Added support for patterns.
8708 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8709 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8710 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8711 (expand_widen_pattern_expr): New function.
8712 (init_optabs): Initialize new optabs udot_prod_optab,
8714 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8715 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8716 (expand_widen_pattern_expr): New function declaration.
8717 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8719 * tree-inline.c (estimate_num_insns_1): Added cases for new
8720 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8721 * tree-pretty-print.c (dump_generic_node): Likewise.
8722 (op_prio): Likewise.
8723 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8724 * tree-ssa-operands.c (get_expr_operands): Added case for
8726 * tree-vect-patterns.c (widened_name_p): New function.
8727 (vect_recog_dot_prod_pattern): Added function implementation.
8728 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8729 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8730 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8731 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8733 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8734 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8735 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8736 (init_optabs): Initialize new optabs widen_ssum_optab,
8738 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8739 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8740 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8741 use instead of type of def.
8742 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8743 function implementation.
8744 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8745 widen_ssumv8hi): New.
8747 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8750 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8753 * c-decl.c (add_flexible_array_elts_to_size): New function.
8754 (finish_decl): Use it.
8756 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8758 * diagnostic.h: Include options.h.
8759 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8760 dependancies for diagnostic.h.
8761 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8763 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8765 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8766 (ssa_ro_call_cache_valid): Ditto.
8767 * tree-ssa-alias.c (sort_tags_by_id): New function.
8768 (init_transitive_clobber_worklist): Ditto.
8769 (add_to_worklist): Ditto.
8770 (mark_aliases_call_clobbered): Ditto.
8771 (compute_tag_properties): Ditto.
8772 (set_initial_properties): Ditto.
8773 (compute_call_clobbered): Ditto.
8774 (compute_may_aliases): Call compute_call_clobbered and grouping.
8775 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8776 (compute_flow_insensitive_aliasing): Grouping now happens in our
8778 (setup_pointers_and_addressables): Remove clobbering related code.
8779 (add_may_alias): Ditto.
8780 (replace_may_alias): Ditto.
8781 (get_nmt_for): Ditto.
8782 (create_global_var):
8783 (is_escape_site): Return an escape_type enumeration.
8784 * tree-flow-inline.h (is_call_clobbered): Global var does not
8785 imply call clobbered.
8786 (mark_call_clobbered): Take a reason for marking this. Remove
8787 marking of globalness, and cache invalidation.
8788 (clear_call_clobbered): Remove cache invalidation code.
8789 * tree-dfa.c (dump_variable): If details is on, dump the reason
8791 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8793 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8794 (struct var_ann_d): Ditto.
8795 (enum escape_type): New.
8796 (mark_call_clobbered): Adjust prototype.
8797 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8798 are never call clobbered.
8799 Record reasons for escaping.
8800 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8801 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8802 (ssa_ro_call_cache_valid): Ditto.
8803 (clobbered_v_may_defs): Ditto.
8804 (clobbered_vuses): Ditto.
8805 (ro_call_vuses): Ditto.
8806 (clobber_stats): New.
8807 (init_ssa_operands): Zero out clobber stats.
8808 (fini_ssa_operands): Print out clobber stats.
8809 (get_call_expr_operands): Pass callee fndecl to
8811 (add_call_clobber_ops): Remove use of cache.
8812 Add use of PURE_CONST information.
8813 (add_call_read_ops): Remove use of cache.
8814 Add use of static not_read information.
8816 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8818 Introduce TLS descriptors for i386 and x86_64.
8819 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8820 (TARGET_ANY_GNU_TLS): New macro.
8821 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8822 (struct machine_function): Add tls_descriptor_call_expanded_p.
8823 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8824 (ix86_current_function_calls_tls_descriptor): Likewise.
8825 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8826 (override_options): Introduce gnu2 tls dialect.
8827 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8829 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8831 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8832 (ix86_init_machine_status): Initialize new field.
8833 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8834 (ix86_tls_module_base): New.
8835 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8836 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8837 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8838 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8839 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8840 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8841 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8842 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8843 * config/i386/predicates.md (tls_modbase_operand): New.
8844 (tp_or_register_operand): New.
8846 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8848 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8849 (look_for_address_of): Ditto.
8850 (ipa_init): Walk the function decls.
8851 (static_execute): Don't set readonly on FUNCTION_DECL's.
8853 2006-01-18 Roger Sayle <roger@eyesopen.com>
8855 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8856 for shifts where the source and destination registers are different.
8858 2006-01-18 Paul Brook <paul@codesourcery.com>
8860 Merge from csl-arm-branch.
8861 2005-03-14 Julian Brown <julian@codesourcery.com>
8862 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8863 (aeabi_llsl): Likewise.
8864 (ashrdi3): Likewise.
8865 (aeabi_lasr): Likewise.
8866 (lshrdi3): Likewise.
8867 (aeabi_llsr): Likewise.
8868 2005-03-10 Julian Brown <julian@codesourcery.com>
8869 * config.gcc: Disable shared libgcc for SymbianOS.
8870 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8872 2006-01-18 DJ Delorie <dj@redhat.com>
8874 * c-pragma.c (handle_pragma_diagnostic): New.
8875 (init_pragma): Register it.
8876 * doc/extend.texi: Document it.
8878 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8879 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8880 (diagnostic_context): Add classify_diagnostic[].
8881 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8882 as errors if they're overridden to DK_WARNING.
8883 (diagnostic_initialize): Initialize classify_diagnostic[].
8884 (diagnostic_set_kind_override): New.
8885 (diagnostic_report_diagnostic): Check for kind changes.
8886 * opts.c (common_handle_option): Take lang_mask. Update callers.
8888 * common.opt (Werror=): New.
8889 * doc/invoke.texi: Document -Werror=*
8891 2006-01-18 Jeff Law <law@redhat.com>
8893 * tree-vrp.c (test_for_singularity): Correct test for new
8894 min limit. Use operand_equal_p rather than pointer equality
8895 for testing if new min/max values are equal.
8897 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8898 using range information until after propagation and folding.
8900 2006-01-18 Richard Henderson <rth@redhat.com>
8901 Aldy Hernandez <aldyh@redhat.com>
8902 Jakub Jelinek <jakub@redhat.com>
8903 Diego Novillo <dnovillo@redhat.com>
8905 * omp-low.c: New file.
8906 * c-omp.c: New file.
8908 2006-01-18 Richard Henderson <rth@redhat.com>
8909 Jakub Jelinek <jakub@redhat.com>
8910 Diego Novillo <dnovillo@redhat.com>
8912 * doc/invoke.texi: Document -fopenmp.
8913 * tree-dump.h (debug_function): Declare.
8914 * hooks.c (hook_bool_tree_bool_false): New function.
8915 (hook_tree_tree_null): Remove.
8916 (hook_tree_tree_tree_null): New.
8917 * hooks.h: Update to match.
8918 * tree-pretty-print.c (debug_tree_chain): New.
8919 (print_generic_expr): Handle TDF_CHAIN.
8920 (dump_generic_node): Handle BLOCK.
8921 Do not abort with incomplete SWITCH_EXPRs.
8922 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8923 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8924 print space after directive name.
8925 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8926 Handle OMP_MASTER and OMP_ORDERED.
8927 Handle printing of OMP_BODY just in one place, goto
8928 dump_omp_body in the rest of OMP_* nodes that have
8930 Don't handle clause nodes here. Update omp statements to
8931 use dump_omp_clauses.
8932 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8933 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8934 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8935 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8936 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8937 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8938 Adjust output for GOMP_PARALLEL.
8939 (dump_omp_clauses): New.
8940 (print_declaration): Dump DECL_VALUE_EXPR.
8941 (op_symbol_1): Split out of op_symbol.
8942 (dumping_stmts): Remove. Update all users.
8943 * cgraph.c (cgraph_analyze_queue): New.
8944 (cgraph_add_new_function): New.
8945 * cgraph.h (cgraph_analyze_queue): Declare.
8946 (cgraph_add_new_function): Declare.
8947 (cgraph_lower_function): Remove.
8948 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8949 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8950 and TYPE_P nodes in its default clause.
8951 (empty_body_p): New.
8952 (tree_range_check_failed): New.
8954 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8955 OMP_CLAUSE_REDUCTION_MERGE,
8956 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8957 OMP_CLAUSE_PRIVATE_DEBUG,
8958 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8959 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8960 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8961 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8962 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8963 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8964 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8965 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8966 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8967 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8968 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8969 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8970 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8971 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8972 (TREE_RANGE_CHECK): New.
8973 (empty_body_p): Declare.
8974 (enum omp_clause_default_kind): New.
8975 (build_string_literal): Declare.
8976 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8977 (build5_stat, build5): Declare.
8978 * tree-pass.h (TDF_CHAIN): Define.
8979 * tree-pass.h (PROP_gimple_lomp): Define.
8980 (pass_lower_omp): Declare.
8981 * diagnostic.h (debug_tree_chain): Declare.
8982 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8984 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8985 * builtins.c (build_string_literal): Make extern.
8986 * gcc.c (include_spec_function): New.
8987 (static_spec_functions): Add it.
8988 (main): Move load of libgomp.spec ...
8989 (LINK_COMMAND_SPEC): ... here.
8990 (link_gomp_spec): New.
8991 (static_specs): Include it.
8992 (LINK_COMMAND_SPEC): Add link_gomp.
8993 (GOMP_SELF_SPECS): New.
8994 (driver_self_specs): Include it.
8995 (switch_matches): Don't mark inline.
8996 (main): Load libgomp.spec.
8997 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8998 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8999 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9000 * tree-gimple.h (enum omp_parallel): Declare.
9001 (determine_parallel_type): Declare.
9002 (omp_firstprivatize_variable): Declare.
9003 (omp_reduction_init): Declare.
9004 (diagnose_omp_structured_block_errors): Declare.
9005 (struct walk_stmt_info): Add want_return_expr.
9006 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9007 (find_omp_clause): Declare.
9008 (insert_field_into_struct): Declare.
9009 (struct walk_stmt_info): Move from tree-nested.c
9010 (walk_stmts): Declare.
9011 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9013 * cgraphunit.c (cgraph_lower_function): Make static.
9014 (cgraph_finalize_pending_functions): New.
9015 (cgraph_finalize_function): Call it.
9016 (cgraph_finalize_compilation_unit): Likewise.
9017 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9018 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9019 (BT_FN_UINT_UINT): New.
9020 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9021 DEF_FUNCTION_TYPE_VAR_4): Document.
9022 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9023 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9024 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9025 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9026 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9027 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9028 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9029 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9030 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9031 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9032 into separate files.
9033 (DEF_GOMP_BUILTIN): New.
9034 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9035 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9036 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9037 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9038 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9039 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9040 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9041 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9042 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9043 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9044 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9045 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9046 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9047 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9048 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9049 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9050 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9051 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9052 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9053 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9054 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9055 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9056 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9057 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9058 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9059 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9060 * sync-builtins.def: New file, moved from builtins.def.
9061 * omp-builtins.def: New file, moved from builtins.def.
9062 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9063 * gimple-low.c (lower_function_body): Clear data.
9064 (lower_stmt): Do not handle COMPOUND_EXPR.
9065 Remove call to print_node_brief.
9066 * c-tree.h (c_finish_omp_clauses): New prototype.
9067 (C_DECL_THREADPRIVATE_P): Define.
9068 (lookup_name_no_remap, c_omp_remap_private): Remove
9069 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9070 (check_for_loop_decls): Update decl.
9071 (lookup_name_no_remap, c_omp_remap_private): Declare.
9072 (build_indirect_ref, build_modify_expr, pushdecl,
9073 pushdecl_top_level): Move to c-common.h.
9074 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9075 before the switch, but just in the 2 places that need it.
9076 * c-decl.c (diagnose_mismatched_decls): Do not check for
9077 mismatched thread-local attributes when OLDDECL is marked
9078 threadprivate and NEWDECL has no thread-local attributes.
9079 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9080 (c_gimple_diagnostics_recursively): Rename from
9081 c_warn_unused_result_recursively. Invoke
9082 diagnose_omp_structured_block_errors.
9083 (check_for_loop_decls): Return a singular decl found.
9084 * langhooks.c (lhd_omp_predetermined_sharing): Return
9085 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9086 (lhd_omp_firstprivatize_type_sizes): New.
9087 (lhd_omp_assignment): New.
9088 (lhd_omp_predetermined_sharing): New.
9089 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9090 (struct lang_hooks_for_types): Add
9091 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9092 omp_predetermined_sharing, omp_disregard_value_expr,
9093 omp_private_debug_clause, omp_clause_default_ctor,
9094 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9095 (c_finish_omp_clauses): New.
9096 (c_finish_bc_stmt): Diagnose break within omp for.
9097 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9098 (build_unary_op): Return error_mark after reporting
9100 (build_modify_expr): Likewise.
9101 * gimplify.c: Include optabs.h and pointer-set.h.
9102 (enum gimplify_omp_var_data): Declare.
9103 (struct gimplify_omp_ctx): Declare.
9104 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9106 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9107 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9108 (splay_tree_compare_decl_uid): New.
9109 (new_omp_context): New.
9110 (delete_omp_context): New.
9111 (gimple_add_tmp_var): Call omp_add_variable.
9112 (gimplify_bind_expr): Likewise.
9113 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9114 true, disregard DECL_VALUE_EXPR on the decl if any.
9115 (gimplify_expr_in_ctx): New.
9116 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9117 omp_add_variable, omp_notice_variable, omp_is_private
9118 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9119 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9120 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9121 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9122 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9123 gimplify_omp_atomic): New.
9124 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9125 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9126 OMP_CRITICAL and OMP_ATOMIC.
9127 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9128 * c-pragma.h (enum pragma_kind): Add
9129 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9130 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9131 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9132 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9133 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9134 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9135 PRAGMA_OMP_THREADPRIVATE.
9136 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9137 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9138 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9139 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9140 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9141 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9142 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9143 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9144 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9145 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9146 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9147 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9148 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9150 (struct nesting_info): Add field_map,
9151 suppress_expansion, debug_var_chain.
9152 (create_nesting_tree): Initialize them.
9153 (lookup_field_for_decl): Use field_map.
9154 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9155 (convert_local_omp_clauses): New.
9156 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9157 (walk_body): Split out of walk_function.
9158 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9159 (convert_nonlocal_reference): Handle omp statements.
9160 (convert_local_reference): Likewise.
9161 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9162 (unnest_nesting_tree): New.
9163 (lower_nested_functions): Call it.
9164 (insert_field_into_struct): Make extern.
9165 (struct walk_stmt_info): Move to tree-gimple.h.
9166 (walk_stmts): Make extern.
9167 * omp-builtins.def: New file.
9168 * tree-iterator.c (expr_only): Clarify comment.
9169 * c-common.h (pushdecl_top_level, pushdecl,
9170 build_modify_expr, build_indirect_ref,
9171 c_finish_omp_master, c_finish_omp_critical,
9172 c_finish_omp_ordered, c_finish_omp_barrier,
9173 c_finish_omp_atomic, c_finish_omp_flush,
9174 c_finish_omp_for, c_split_parallel_clauses,
9175 omp_clause_default_kind, c_omp_sharing_predetermined,
9176 c_omp_remap_decl): Declare.
9177 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9178 (OBJS-common): Add omp-low.o.
9179 (c-omp.o, omp-low.o): Add.
9180 (gimplify.o): Add dependency on $(OPTABS_H).
9181 (GTFILES): Add omp-low.c.
9182 (gt-stringpool.h): Add.
9183 * tree-cfg.c (set_bb_for_stmt): Do not update the
9184 block-to-labels map if we are currently expanding to RTL.
9185 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9187 Handle IDENTIFIER_NODE.
9188 (tree_verify_flow_info): Do not ICE when emitting error
9189 messages about invalid labels.
9190 (dump_function_to_file): Reset CFUN before emitting the body
9192 (debug_function): New.
9193 * passes.c (init_optimization_passes): Schedule
9195 * langhooks-def.h (lhd_omp_predetermined_sharing,
9196 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9198 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9199 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9200 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9201 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9202 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9203 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9204 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9205 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9206 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9207 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9208 (LANG_HOOK_DECLS): Use them.
9210 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9211 Richard Henderson <rth@redhat.com>
9212 Jakub Jelinek <jakub@redhat.com>
9213 Diego Novillo <dnovillo@redhat.com>
9215 * c-parser.c (pragma_omp_clause): Define.
9216 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9217 (c_parser_compound_statement): Likewise.
9218 (c_parser_statement): Likewise.
9219 (c_parser_pragma): Handle omp pragmas.
9220 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9221 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9222 (c_parser_omp_clause_name, check_no_duplicate_clause,
9223 c_parser_omp_variable_list,
9224 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9225 c_parser_omp_clause_copyprivate,
9226 c_parser_omp_clause_default,
9227 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9228 c_parser_omp_clause_lastprivate,
9229 c_parser_omp_clause_nowait,
9230 c_parser_omp_clause_num_threads,
9231 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9232 c_parser_omp_clause_reduction,
9233 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9234 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9235 c_parser_omp_atomic, c_parser_omp_barrier,
9236 c_parser_omp_critical, c_parser_omp_flush,
9237 c_parser_omp_for_loop, c_parser_omp_for,
9238 c_parser_omp_master, c_parser_omp_ordered,
9239 c_parser_omp_sections_scope, c_parser_omp_sections,
9240 c_parser_omp_parallel, c_parser_omp_single,
9241 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9242 * c-pragma.c (init_pragma): Do omp pragma registration here.
9243 * c.opt (fopenmp): New flag.
9245 2006-01-18 Eric Christopher <echristo@apple.com>
9247 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9248 * config/darwin.h (GOMP_SELF_SPECS): Define.
9250 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9252 * rtl.h: Remove the prototype for reg_alloc.
9254 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9257 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9258 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9259 sjlj and dwarf2 exception handling.
9260 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9261 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9262 * pa/pa.c (function_value): Treat complex and vector types as
9264 (function_arg): Likewise. Only pass scalar floats in the floating
9265 point argument registers.
9266 * pa/t-slibgcc-dwarf-ver: New file.
9267 * pa/t-slibgcc-sjlj-ver: New file.
9268 * pa/t-slibgcc-elf-ver: Delete file.
9270 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9272 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9273 unlikely_test_section_p test.
9275 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9277 * mode-switching.c (optimize_mode_switching): Make it static.
9278 * basic-block.h: Remove the prototype for
9279 optimize_mode_switching.
9281 * modulo-sched.c (sms_schedule): Make it static.
9282 * rtl.h: Remove the prototype for sms_schedule.
9284 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9285 * rtl.h: Remove the prototype for gcse_after_reload_main.
9287 * reg-stack.c (reg_to_stack): Make it static.
9288 * rtl.h: Remove the prototype for reg_to_stack.
9290 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9292 * rtl.h: Remove the prototypes for regrename_optimize and
9293 copyprop_hardreg_forward.
9295 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9297 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9298 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9299 Test against the appropriate null constant for the mode.
9300 If 'fixup_overlap' is true, swap the operands if they overlap.
9301 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9302 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9303 alpha_split_tmode_pair and adjust for above change.
9304 * config/alpha/alpha.md (movtf_internal): Adjust call to
9305 alpha_split_tfmode_pair and rely on it to swap the operands.
9306 (movti_internal): New insn and post-reload splitter.
9307 (movti): New expander.
9309 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9311 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9314 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9316 * rtlanal.c (global_reg_mentioned_p_1,
9317 global_reg_mentioned_p): Remove.
9318 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9320 * flow.c (initialize_uninitialized_subregs): Make it static.
9321 * rtl.h: Remove the prototype for
9322 initialize_uninitialized_subregs.
9324 * function.c (instantiate_virtual_regs): Make it static.
9325 * function.h: Remove the prototype for
9326 instantiate_virtual_regs.
9328 * regmove.c (regmove_optimize, combine_stack_adjustments):
9330 * rtl.h: Remove the prototypes for regmove_optimize and
9331 combine_stack_adjustments.
9333 2006-01-17 Roger Sayle <roger@eyesopen.com>
9335 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9336 (size_cost): Encode costs in bytes so that a reg-reg addition is
9337 equivalent to COSTS_N_INSNS(1).
9338 (override_options): Use the size_cost.branch_cost as the default
9339 ix86_branch_cost when optimizing for size.
9341 2006-01-18 Ben Elliston <bje@au.ibm.com>
9343 * Makefile.in (D32PBIT_FUNCS): New.
9344 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9345 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9346 D64PBIT_FUNCS and D128PBIT_FUNCS.
9347 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9348 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9350 (decnumber_dep): Define.
9351 * doc/libgcc.texi (Decimal float library routines): New node.
9352 * config/dfp-bit.h, config/dfp-bit.c: New files.
9354 2006-01-18 Ben Elliston <bje@au.ibm.com>
9356 * expr.c (emit_move_change_mode): Always adjust addresses, not
9357 just during reload. Copy replacements only during reload.
9358 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9359 emit_move_via_integer.
9361 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9363 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9364 instead of $(srcdir) and ${srcdir}.
9366 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9370 * arm.h (struct machine_function): Add pic_reg.
9371 * arm.c (arm_pic_register): Make unsigned.
9372 (arm_override_options): Only set arm_pic_register if
9373 TARGET_SINGLE_PIC_BASE.
9374 (use_return_insn): Only test for a pic register if it is fixed.
9375 (arm_compute_save_reg0_reg12_mask): Likewise.
9376 (thumb_compute_save_reg_mask): Likewise.
9377 (legitimate_pic_operand): Factor out some known invariants.
9378 (legitimize_pic_address): If we don't have a fixed pic register,
9379 then set up a pseudo in the function entry sequence. Handle the
9380 pic base being in a pseudo.
9381 (arm_load_pic_register): Handle the pic register being in a pseudo.
9382 (arm_expand_prologue): Only set up the pic register if it is fixed.
9383 (thumb_expand_prologue): Likewise.
9384 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9385 (pic_load_addr_based_insn): Likewise.
9386 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9389 2006-01-18 Ben Elliston <bje@au.ibm.com>
9391 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9392 decimal float modes for all floating point registers.
9394 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9395 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9397 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9400 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9401 even when the pointer is not NULL.
9403 2006-01-16 Ian Lance Taylor <ian@airs.com>
9405 * common.opt (ftoplevel-reorder): New option.
9406 * cgraph.c (cgraph_asm_nodes): New global variable.
9407 (cgraph_asm_last_node): New static variable.
9408 (cgraph_order): New global variable.
9409 (cgraph_create_node): Set new order field.
9410 (cgraph_varpool_node): Likewise.
9411 (decide_is_variable_needed): Return true if not
9412 flag_toplevel_reorder.
9413 (cgraph_add_asm_node): New function.
9414 * cgraph.h (struct cgraph_node): Add order field.
9415 (struct cgraph_varpool_node): Add order field.
9416 (struct cgraph_asm_node): Define.
9417 (cgraph_asm_nodes, cgraph_order): Declare.
9418 (cgraph_add_asm_node): Declare.
9419 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9421 (cgraph_varpool_assemble_pending_decls): Call it.
9422 (cgraph_output_pending_asms): New static function.
9423 (cgraph_finalize_compilation_unit): Call it.
9424 (struct cgraph_order_sort): Define.
9425 (cgraph_output_in_order): New static function.
9426 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9427 !flag_toplevel_reorder case.
9428 * c-parser.c: Include "cgraph.h".
9429 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9431 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9432 than -fno-unit-at-a-time.
9433 * doc/invoke.texi (Option Summary): Mention
9434 -fno-toplevel-reorder.
9435 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9436 -funit-at-a-time documentation.
9438 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9439 Kazu Hirata <kazu@codesourcery.com>
9441 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9443 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9445 * Makefile.in (FUNCTION_H): New. Use it instead of
9446 function.h throughout the file.
9447 * function.h: Include tree.h.
9449 2006-01-17 Ben Elliston <bje@au.ibm.com>
9451 * recog.c: Separate some functions with whitespace.
9453 2006-01-16 Richard Henderson <rth@redhat.com>
9455 Merge from gomp branch:
9456 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9457 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9458 and rename from struct inline_data. Rename callee* to dst*;
9459 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9460 transform_new_cfg, transform_return_to_modify, and
9461 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9463 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9464 (copy_decl_for_dup): Remove.
9465 * tree-inline.c (struct inline_data): Move to header.
9466 (insert_decl_map): Export.
9467 (remap_decl): Update for member name changes. Use copy_decl hook.
9468 Allow for replacement to be a non-decl. Remove dead code.
9469 (remap_type_1): Check for existing mapping.
9470 (remap_type): Export.
9471 (remap_decls): Update for member name changes.
9472 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9473 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9474 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9475 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9476 (tree_function_versioning, build_duplicate_type): Likewise.
9477 (copy_body_r): Likewise. Export.
9478 (copy_decl_for_dup): Split into ...
9479 (copy_decl_for_dup_finish, copy_decl_to_var,
9480 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9481 (replace_ref_tree, inlining_p): Remove.
9483 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9485 * ifcvt.c (if_convert): Make it static.
9486 * rtl.h: Remove the prototype for if_convert.
9488 * local-alloc.c (local_alloc): Make it static.
9489 * rtl.h: Remove the prototype for local_alloc.
9491 * loop.c (loop_optimize): Make it static.
9492 * cfgloop.h: Remove the prototype for loop_optimize.
9495 2006-01-16 DJ Delorie <dj@redhat.com>
9497 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9500 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9502 * pa.md: Disparage copies between general and floating-point registers
9503 in 32-bit move patterns.
9505 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9508 * Makefile.in (check-%): Depend on site.exp instead of
9509 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9512 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9514 * global.c (global_alloc): Make it static.
9515 * rtl.h: Remove the prototype for global_alloc.
9517 2006-01-16 Richard Guenther <rguenther@suse.de>
9519 * tree-ssa-alias.c (struct used_part): Add write_only field.
9520 (get_or_create_used_part_for): Initialize it to true.
9521 (create_overlap_variables_for): Don't create structure variables
9522 for structures that only are written to.
9523 (find_used_portions): Handle MODIFY_EXPR to track whether a
9524 structure is only written to.
9526 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9528 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9530 * basic-block.h: Remove the prototype for
9531 partition_hot_cold_basic_blocks.
9533 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9535 * cppspec.c (lang_specific_spec_functions): Remove.
9536 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9537 * gcc.h (lang_specific_spec_functions): Remove.
9538 * gccspec.c (lang_specific_spec_functions): Remove.
9540 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9542 * combine.c (record_value_for_reg): Invalidate registers
9544 (record_dead_and_set_regs_1): Likewise, by passing them to
9545 record_value_for_reg.
9546 (record_dead_and_set_regs): Invalidate stores made by a
9547 call. We do not combine across a call, but we still
9548 relied on equivalences.
9550 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9552 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9553 vrp_int_const_binop returning non-constant nodes.
9555 2006-01-16 Paul Brook <paul@codesourcery.com>
9557 * config/m68k/m68k.c (output_move_const_into_data_reg):
9558 Output correct mnemonic for mvz and mvs.
9560 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9562 * rtl-factoring.c: Add sequence abstraction algorithm.
9563 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9564 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9566 (block_has_preserve_label): New function.
9567 * common.opt: Register new pass.
9568 * Makefile.in: Ditto.
9570 * timevar.def: Ditto.
9571 * tree-pass.h: Ditto.
9572 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9573 * rtl.h (make_jump_insn_raw): Add forward decl.
9574 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9576 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9577 Roger Sayle <roger@eyesopen.com>
9579 * fold-const.c (fold_minmax): New static function.
9580 (fold_binary) <MIN_EXPR>: Call it.
9581 <MAX_EXPR>: Likewise.
9582 * stor-layout.c (place_field): Use DECL_SIZE consistently
9583 in the computation of the new record size.
9585 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9587 * cse.c (cse_condition_code_reg): Make it static.
9588 * rtl.h: Remove the prototype for cse_condition_code_reg.
9590 * combine.c (combine_instructions): Make it static.
9591 * rtl.h: Remove the prototype for combine_instructions.
9593 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9596 * tree.c (get_file_function_name_long): Concatenate the first global
9597 object name with a string derived from the input filename of the object
9600 2006-01-16 Ben Elliston <bje@au.ibm.com>
9602 * config/i386/winnt-stubs.c: Update FSF address.
9603 * config/xtensa/ieee754-df.S: Ditto.
9604 * config/xtensa/ieee754-sf.S: Ditto.
9606 2006-01-14 Ian Lance Taylor <ian@airs.com>
9608 * ifcvt.c (noce_init_if_info): New static function, broken out of
9609 noce_process_if_block.
9610 (noce_process_if_block): Call noce_init_if_info.
9611 (check_cond_move_block): New static function.
9612 (cond_move_process_if_block): New static function.
9613 (process_if_block): Call cond_move_process_if_block.
9615 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9617 * cselib.c (hash_table): Rename to cselib_hash_table.
9618 (cselib_clear_table, discard_useless_values,
9619 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9620 cselib_init, cselib_finish): Adjust uses of hash_table.
9622 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9624 PR tree-optimization/25485
9625 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9626 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9627 is known to be false and true, respectively.
9629 2006-01-14 Richard Guenther <rguenther@suse.de>
9631 PR tree-optimization/22548
9632 PR tree-optimization/22555
9633 PR tree-optimization/22501
9634 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9635 * params.def (salias-max-array-elements): New parameter.
9636 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9637 * doc/invoke.texi (salias-max-array-elements): Document.
9638 * tree-flow-inline.h (var_can_have_subvars): We also handle
9640 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9642 * tree-ssa-structalias.c (params.h): Include.
9643 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9644 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9645 (get_constraint_for): For ADDR_EXPR operating on something
9646 containing an ARRAY_REF, add all subvars to the solution.
9647 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9648 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9649 for creating MUST_DEFs.
9650 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9652 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9654 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9656 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9657 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9658 number_of_iterations_le): New functions.
9659 (number_of_iterations_special): Removed.
9660 (number_of_iterations_exit): Do not use number_of_iterations_special.
9661 * tree.c (unsigned_type_for): Always return integer type.
9663 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9664 Richard Guenther <rguenther@suse.de>
9666 PR rtl-optimization/24257
9667 * gcse.c (find_moveable_store): Only consider a store movable
9668 when the SET_SRC of the insn can be assigned to a register.
9670 2006-01-14 Ian Lance Taylor <ian@airs.com>
9672 * tree.c (tree_not_class_check_failed): New function.
9673 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9674 (tree_not_class_check_failed): Declare.
9676 2006-01-13 Ian Lance Taylor <ian@airs.com>
9678 * reload1.c (do_output_reload): Add assertion rejecting a
9681 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9683 * combine.c (struct reg_stat): Add new fields truncation_label and
9685 (record_value_for_reg): Reset truncated_to_mode.
9686 (record_truncated_value): New function.
9687 (check_promoted_subreg): Call it. Rename to check_conversions.
9688 (combine_instructions): Rename check_promoted_subreg to
9690 (reg_truncated_to_mode): New function.
9691 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9692 (gen_lowpart_or_truncate): New function.
9693 (force_to_mode): Use it instead of gen_lowpart.
9695 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9697 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9698 VAR is a tag, not its type tag.
9700 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9702 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9703 alternatives to match style of other entries.
9704 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9706 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9708 PR tree-optimization/25771
9709 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9712 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9715 * tree-inline.c (declare_return_variable): If the return variable
9716 was marked as a non gimple complex, set the return slot variable
9717 to be a non gimple comple variable.
9719 2006-01-13 Richard Guenther <rguenther@suse.de>
9721 * builtins.c (expand_builtin_sincos): New function.
9722 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9724 (expand_builtin): Expand sincos using expand_builtin_sincos.
9726 2006-01-12 DJ Delorie <dj@redhat.com>
9728 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9729 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9730 so that constant shifts can be split.
9731 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9732 (m32c_valid_pointer_mode): Make static.
9733 (shift_gen_func_for): New.
9734 (m32c_prepare_shift): Use it. Split large const shifts into
9736 * config/m32c/predicates.md (shiftcount_operand): Allow more
9738 (longshiftcount_operand): New.
9739 * doc/md.texi (Machine Constraints): Document In6.
9741 2006-01-13 Ben Elliston <bje@au.ibm.com>
9743 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9744 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9747 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9749 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9750 to try to avoid clobbering pieces of structures when we know
9751 something about the whole structure.
9752 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9754 2006-01-13 Ben Elliston <bje@au.ibm.com>
9756 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9757 return in memory, as this is no limitation is no longer present.
9759 2006-01-12 DJ Delorie <dj@redhat.com>
9761 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9762 mova with fb, and for fb+0 -> An.
9764 * config/m32c/mov.md (peephole2): Fix enabling logic.
9766 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9767 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9768 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9769 FINI_ARRAY_SECTION_ASM_OP): Define.
9771 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9773 (m32c_legitimize_reload_address): New logic to reload FB to An.
9774 (m32c_output_reg_push): Add newline.
9775 (m32c_output_reg_pop): Likewise.
9777 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9779 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9781 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9783 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9785 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9787 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9790 2006-01-11 Ben Elliston <bje@au.ibm.com>
9792 * rtlanal.c (find_reg_note): Assert insn is not null.
9794 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9796 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9799 2006-01-11 Jeff Law <law@redhat.com>
9801 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9803 (mark_threaded_blocks, register_jump_thread): New functions.
9804 (thread_through_all_blocks): Remove unwanted argument. No
9805 longer rely on e->aux to communicate thread target info.
9806 Call mark_threaded_blocks. Release the threaded_blocks
9807 bitmap and threaded_edges vector when complete.
9808 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9809 (threaded_blocks): Remove.
9810 (tree_ssa_dominator_optimize): Remove initialization and
9811 finalization of threaded_blocks. Simplify call to
9812 thread_through_all_blocks.
9813 (thread_across_edge): Call register_jump_thread rather than
9814 storing thread information into e->aux.
9815 (free_all_edge_infos): Simplify now that e->aux is no longer
9816 used to communicate with thread_through_all_blocks.
9817 * tree-flow.h (thread_through_all_blocks): Update prototype.
9818 (register_jump_thread): Prototype.
9820 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9822 * df-core.c (df_compact_blocks, df_bb_replace): Use
9823 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9825 2006-01-11 Richard Guenther <rguenther@suse.de>
9827 PR tree-optimization/25734
9828 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9829 stop propagation after successful propagation to the LHS.
9831 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9833 * basic-block.h (control_flow_graph): Change the type of
9834 x_basic_block_info to VEC(basic_block,gc) *.
9835 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9837 (SET_BASIC_BLOCK): New.
9838 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9839 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9840 * cfgbuild.c (find_basic_blocks): Likewise.
9841 * cfglayout.c (fixup_reorder_chain): Likewise.
9842 * cfgrtl.c (create_basic_block_structure,
9843 rtl_create_basic_block): Likewise.
9844 * ifcvt.c (find_if_case_1): Likewise.
9845 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9848 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9850 * Makefile.in: Removed rotted odf.c entry.
9852 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9855 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9856 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9857 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9858 output pattern modifier, not %e.
9859 * config/cris/cris.c (cris_op_str): Update comment about pattern
9861 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9862 before falling through into...
9863 <case 'E'>: Redefined from old 'e' case.
9865 2006-01-11 Jan Hubicka <jh@suse.cz>
9868 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9870 2006-01-11 Jan Hubicka <jh@suse.cz>
9872 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9873 * i386.c (x86_decompose_lea): Kill.
9874 (ix86_rtx_costs): Kill.
9876 2006-01-11 Jan Hubicka <jh@suse.cz>
9878 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9879 * cgraph.h (cgraph_node): Add inline_decl.
9880 (cgraph_insert_node_to_hashtable): Declare.
9881 (save_inline_function_body): Declare.
9882 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9884 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9885 (cgraph_function_versioning): Update call of tree_function_versioning.
9886 (save_inline_function_body): New function.
9887 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9888 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9889 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9890 (cgraph_default_inline_p): Likewise.
9891 (cgraph_decide_inlining_incrementally): Likewise.
9892 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9893 (copy_bb): Kill saving; do updating of clones.
9894 (copy_cfg_body): Kill saving.
9895 (initialize_inlined-parameters): Likewise.
9896 (expand_call_inline): Likewise.
9898 (tree_function_versioning): New parameter "update_clones".
9899 (inlining_p): Kill saving.
9900 * tree-inline.h (tree_function_versioning): Update prototype.
9901 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9904 2006-01-11 Ian Lance Taylor <ian@airs.com>
9906 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9907 Allow undoing set of machine mode.
9908 (do_SUBST): Use enums instead of is_int.
9909 (do_SUBST_MODE): New function.
9910 (SUBST_MODE): New macro.
9911 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9912 reg and trying to replace reg_regno_rtx with a new register.
9913 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9914 (simplify_set): Use SUBST_MODE.
9915 (distribute_notes): Remove code that tried to update reg notes
9916 for regno_reg_rtx changes.
9918 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9920 PR tree-optimization/23109
9921 PR tree-optimization/23948
9922 PR tree-optimization/24123
9924 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9925 * tree-cfg.c (single_noncomplex_succ): New.
9926 * tree-flow.h (single_noncomplex_succ): Declare it.
9927 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9928 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9929 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9930 insert_bb, register_division_in, insert_reciprocals,
9931 replace_reciprocal, free_bb): New.
9932 (execute_cse_reciprocals_1): Rewritten.
9933 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9934 Do not commit any edge insertion. Always compute dominators and
9935 create the allocation pool.
9936 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9937 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9938 * targhooks.c (default_min_divistions_for_recip_mul): New.
9939 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9940 * passes.c (init_optimization_passes): Run recip after tree loop
9942 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9944 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9945 Kenneth Zadeck <zadeck@naturalbridge.com>
9947 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9948 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9949 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9950 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9951 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9952 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9953 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9954 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9955 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9956 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9957 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9958 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9959 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9960 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9961 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9962 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9963 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9964 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9965 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9966 DF_SCAN_POST_ALLOC): New macros.
9967 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9968 df_free_bb_function, df_local_compute_function, df_init_function,
9969 df_dataflow_function, df_confluence_function_0,
9970 df_confluence_function_n, df_transfer_function,
9971 df_finalizer_function, df_free_function, df_dump_problem_function,
9972 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9973 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9974 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9975 df_urec_bb_info, ) New types.
9976 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9978 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9979 df_analyze_simple_change_some_blocks,
9980 df_analyze_simple_change_one_block, df_compact_blocks,
9981 df_bb_replace, df_bb_regno_last_use_find,
9982 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9983 df_insn_regno_def_p, df_find_def, df_find_use,
9984 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9985 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9986 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9987 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9988 debug_df_chain, df_get_dependent_problem, df_chain_create,
9989 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9990 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9991 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9992 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9993 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9994 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9995 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9996 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9997 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9998 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9999 df_reorganize_refs, df_set_state, df_hard_reg_init,
10000 df_read_modify_subreg_p) New public functions.
10001 * df-core.c: The core dataflow solver and glue routines for rtl
10003 (df_init, df_add_problem, df_set_blocks, df_finish,
10004 df_hybrid_search_forward, df_hybrid_search_backward,
10005 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10006 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10007 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10008 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10009 df_reg_defined, df_find_use, df_reg_used, df_dump,
10010 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10011 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10012 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10013 debug_df_useno, reset_df_after_reload): New functions.
10014 * df-scan.c: The scanning fuctions, once in df.c, completely
10015 rewritten so that they now fully model the functionality of
10016 register usage at the backend.
10017 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10018 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10019 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10020 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10021 df_get_artificial_defs, df_get_artificial_uses,
10022 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10023 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10024 df_refs_delete, df_reorganize_refs, df_set_state,
10025 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10026 df_def_record_1, df_defs_record, df_uses_record,
10027 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10028 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10029 df_record_exit_block_uses, df_hard_reg_init): New functions.
10031 * df-problems.c: Seven concrete dataflow problems that use the
10032 scanning in df-scan.c and are solved by the engine in df-core.c.
10033 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10034 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10035 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10036 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10037 df_ru_free_bb_info, df_ru_alloc,
10038 df_ru_bb_local_compute_process_def,
10039 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10040 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10041 df_ru_transfer_function, df_ru_free, df_ru_dump,
10042 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10043 df_rd_free_bb_info, df_rd_alloc,
10044 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10045 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10046 df_rd_transfer_function, df_rd_free, df_rd_dump,
10047 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10048 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10049 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10050 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10051 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10052 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10053 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10054 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10055 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10056 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10057 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10058 df_urec_mark_reg_use_for_earlyclobber,
10059 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10060 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10061 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10062 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10063 df_chain_create_bb_process_use, df_chain_create_bb,
10064 df_chain_finalize, df_chain_free, df_chains_dump,
10065 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10066 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10067 df_reg_lifetime): New functions.
10068 * df.c: Deleted file.
10069 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10070 consistent with new df api.
10071 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10072 rest_of_handle_sms): Ditto.
10073 * web.c (unionfind_union, union_defs, entry_register, web_main):
10075 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10076 invariant_expr_equal_p, find_defs, check_dependencies,
10077 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10078 free_inv_motion_data, move_loop_invariants): Ditto.
10079 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10080 Update dependencies.
10081 (odf.c): Added defective entry that was deleted later in day.
10082 * sched-deps.c (sched_analyze_1): Ditto.
10084 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10086 * tree-ssa-operands.c (get_expr_operands): Record addressable
10087 variables directly. Do not call add_stmt_operands for CONST_DECLs
10089 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10090 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10092 2006-01-11 Ben Elliston <bje@au.ibm.com>
10094 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10095 function returns true in the positive case.
10097 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10100 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10101 for SI, DI, SF and DF modes. Add alternatives to copy between
10102 general and floating point registers to the 32-bit patterns.
10103 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10104 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10105 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10106 generating 64-bit code.
10107 * config/pa/pa.c (output_move_double): Handle copies between general
10108 and floating registers.
10110 2006-01-10 Stuart Hastings <stuart@apple.com>
10112 * config/i386/i386.md (set_got): Update.
10113 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10114 (builtin_setjmp_receiver): Mach-O support.
10115 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10116 (GOT_SYMBOL_NAME): Define.
10117 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10118 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10119 * config/i386/i386.c (override_options): Revise for Darwin.
10120 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10121 support. (darwin_x86_file_end): New. (output_set_got): Add label
10122 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10123 * config/i386/i386-protos.h (output_set_got): Likewise.
10124 * config/darwin.c (machopic_legitimize_pic_address): Update
10127 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10129 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10130 when MODE isn't BLKmode.
10132 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10134 PR rtl-optimization/25367
10135 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10137 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10140 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10141 for a negative bound.
10143 2006-01-10 Richard Guenther <rguenther@suse.de>
10145 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10146 Never override with anything constraint.
10148 2006-01-10 Jan Beulich <jbeulich@novell.com>
10150 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10151 256 bits when optimize_size.
10153 2006-01-10 Jan Beulich <jbeulich@novell.com>
10155 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10157 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10158 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10161 2006-01-10 Ben Elliston <bje@au.ibm.com>
10163 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10165 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10166 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10167 (USE_FP_FOR_ARG): Reject decimal float modes.
10168 (function_arg_advance): Likewise.
10169 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10170 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10171 point types in AltiVec vectors.
10172 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10173 (rs6000_libcall_value): Likewise.
10175 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10177 * config/xtensa/ieee754-df.S: New file.
10178 * config/xtensa/ieee754-sf.S: New file.
10179 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10180 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10181 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10183 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10185 * config/sh/predicates.md (binary_float_operator,
10186 binary_logical_operator, commutative_float_operator,
10187 equality_comparison_operator, greater_comparison_operator,
10188 less_comparison_operator, logical_operator,
10189 noncommutative_float_operator, shift_operator,
10190 symbol_ref_operand, unary_float_operator): Remove redundant
10193 2006-01-09 Jeff Law <law@redhat.com>
10195 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10196 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10197 now unused arguments. Callers updated.
10198 (eliminate_redundant_computations): Remove now unused arguments,
10200 (local_fold): Remove, no longer used.
10201 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10203 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10204 (simplify_cond): New function.
10205 (forward_propagate_into_cond): Call simplify_cond.
10207 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10209 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10210 (*vec_extractv2di_1_sse): New.
10212 2006-01-09 Ben Elliston <bje@au.ibm.com>
10214 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10216 2006-01-08 Richard Guenther <rguenther@suse.de>
10218 * tree-ssa-structalias.c (get_constraint_for): Remove
10219 anyoffset argument.
10220 (get_constraint_for_component_ref): Likewise.
10221 (do_deref): Likewise.
10222 (get_constraint_for): Likewise.
10223 (do_structure_copy): Likewise.
10224 (handle_ptr_arith): Likewise.
10225 (find_func_aliases): Likewise. Remove unused need_anyoffset
10228 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10229 Kaz Kojima <kkojima@gcc.gnu.org>
10231 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10232 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10233 (EXTRA_CONSTRAINT_C16): Remove.
10234 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10235 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10236 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10237 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10238 constants of SHmedia. Handle nested constant expressions of
10240 (andcosts): Fix the costs for SHmedia constants.
10241 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10242 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10243 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10244 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10245 (movv4hi_i, movv2si_i): Likewise.
10246 (movsi_const): Adjust the second operand of ior so to match with
10247 the Csu constraint.
10248 (movdi_const, movdi_const_32bit): Likewise.
10249 (movdi_const_16bit+1): Don't sign-extend LOW.
10250 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10252 (*double_shori): Fix the split condition. Use GEN_INT instead
10253 of get_int_mode calls. Mask lower 16-bit of the argument of
10255 (sym2GOTPLT): Remove.
10256 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10258 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10259 instead of EXTRA_CONSTRAINT_C16.
10261 2006-01-07 Ian Lance Taylor <ian@airs.com>
10262 David Edelsohn <edelsohn@gnu.org>
10264 PR rtl-optimization/25662
10265 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10266 for constant operands instead of simplify_gen_binary.
10267 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10268 after trying simplify_binary_operation
10270 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10272 * tree.c (iterative_hash_expr): Hash decls based on UID.
10274 2006-01-06 Eric Christopher <echristo@apple.com>
10276 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10277 (TARGET_UNWIND_EMIT): Fix spelling.
10278 * target.h (gcc_target): Add except_table_label.
10279 * except.c (output_function_exception_table): Use.
10280 * varasm.c (default_emit_except_table_label): New.
10281 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10283 (asm_out): Add here.
10284 * output.h (default_emit_except_table_label): Prototype.
10285 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10286 * config/darwin.c (darwin_emit_except_table_label): Define.
10287 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10289 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10291 PR tree-optimization/18527
10292 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10293 number_of_iterations_special, number_of_iterations_exit):
10294 Move base and step of an iv to a single structure. Add
10295 no_overflow flag, and use it in # of iterations analysis.
10296 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10297 folded_casts argument.
10298 (simple_iv): Pass base and step in a structure. Set no_overflow
10300 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10301 Evaluate expensiveness of computing # of iterations instead of
10302 the final expression.
10303 * tree-scalar-evolution.h (affine_iv): New structure.
10304 (simple_iv): Declaration changed.
10305 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10306 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10307 find_givs_in_stmt): Changed due to simple_iv change.
10309 2006-01-06 Jeff Law <law@redhat.com>
10312 * tree-cfg.c (bsi_replace): Rename final argument from
10313 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10314 change (stmt -> orig_stmt).
10315 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10316 (bsi_remove): Add new argument. Remove EH information
10318 (verify_eh_throw_table_statements): New function.
10319 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10321 * tree-optimize.c (execute_free_cfg_annotations): Verify
10322 the EH throw statement table after removing annotations.
10323 * except.h (verify_eh_throw_table_statements): Prototype.
10324 * tree-flow.h (bsi_remove): Update prototype.
10325 * tree-vrp.c (remove_range_assertions): Add new argument to
10327 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10328 * tree-complex.c (expand_complex_div_wide): Likewise.
10329 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10330 * tree-tailcall.c (eliminate_tailcall): Likewise.
10331 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10332 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10333 * tree-nrv.c (tree_nrv): Likewise.
10334 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10335 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10336 (combine_blocks): Likewise.
10337 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10338 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10339 (cleanup_control_flow): Likewise.
10340 (remove_forwarder_block): Likewise.
10341 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10342 * tree-sra.c (sra_replace): Likewise.
10343 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10344 (forward_propagate_single_use_vars): Likewise.
10345 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10346 * tree-inline.c (expand_call_inline): Likewise.
10347 * tree-vect-transform.c (vect_transform_loop): Likewise.
10348 * tree-outof-ssa.c (rewrite_trees): Likewise.
10349 * tree-cfg.c (make_goto_expr_edges): Likewise.
10350 (cleanup_dead_labels): Likewise.
10351 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10352 (bsi_move_before, bsi_move_after): Likewise.
10353 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10354 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10356 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10359 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10361 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10362 on non gimple variables. Also add checks at the top for decls and
10364 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10366 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10367 and IMAGPART_EXPR for creating MUST_DEFs.
10368 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10369 and NAME_MEMORY_TAG separately from the DECLs.
10371 2006-01-06 Richard Guenther <rguenther@suse.de>
10373 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10374 annotation, if necessary.
10375 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10376 redundant calls to update_stmt.
10377 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10380 2006-01-05 Richard Henderson <rth@redhat.com>
10382 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10384 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10386 * c-typeck.c: Update copyright date.
10388 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10390 * c-typeck.c (build_c_cast): Always warn when casting
10391 from a pointer to an integer of different size, even if
10392 the node was constant.
10394 2006-01-05 Richard Guenther <rguenther@suse.de>
10396 PR tree-optimization/22555
10397 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10398 if one structure field is an array.
10399 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10400 operands even if we found a subvar, but ignore VOPs in this
10402 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10404 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10406 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10408 PR middle-end/24998
10409 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10411 2006-01-05 Richard Guenther <rguenther@suse.de>
10412 Diego Novillo <dnovillo@redhat.com>
10414 * tree-pass.h (TODO_remove_unused_locals): Define.
10415 * gimple-low.c (expand_var_p, remove_useless_vars,
10416 pass_remove_useless_vars): Remove. Update all users.
10417 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10418 (remove_unused_locals): New function.
10419 * tree-flow.h (remove_unused_locals): Declare.
10420 * passes.c (execute_todo): Call remove_unused_locals if
10421 TODO_remove_unused_locals is set.
10422 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10423 * tree-ssa-dce.c (pass_dce): Likewise.
10424 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10426 2006-01-05 Richard Guenther <rguenther@suse.de>
10428 * tree-flow.h (struct fieldoff): Decompose field to
10429 type, size and decl.
10430 * tree-ssa-alias.c (create_sft): Take type as parameter.
10431 (create_overlap_variables_for): Store type, size and decl
10432 in the fieldoff structure.
10433 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10434 of struct fieldoff.
10435 (push_fields_onto_fieldstack): Likewise.
10436 (create_variable_info_for): Likewise. Use offset for the
10437 SFT name if the decl is not available.
10439 2006-01-04 Paul Brook <paul@codesourcery.com>
10441 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10443 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10445 * lambda-code.c (can_put_in_inner_loop): Relax
10447 (can_put_after_inner_loop): New function.
10448 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10449 (perfect_nestify): Change to make copies and modify uses.
10451 2006-01-04 Richard Henderson <rth@redhat.com>
10453 Merge from gomp branch:
10454 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10455 via integer constant.
10456 (pragma_lex): Remove.
10457 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10458 rather than parsing it.
10459 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10460 handle_pragma_extern_prefix): Add %< %> quotes.
10461 (registered_pragmas): New.
10462 (c_register_pragma_1): New.
10463 (c_register_pragma): Use it.
10464 (c_register_pragma_with_expansion): Likewise.
10465 (c_invoke_pragma_handler): New.
10466 (init_pragma): Use cpp_register_deferred_pragma directly for
10468 * c-pragma.h (enum pragma_kind): New.
10469 (pragma_handler): New.
10470 (c_invoke_pragma_handler): Declare.
10471 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10473 * c-common.h (c_common_pch_pragma): Update decl.
10474 * Makefile.in (c-parser.o): Update dependencies.
10475 (GTFILES): Add c-pragma.h.
10476 * c-parser.c (struct c_token): Add pragma_kind.
10477 (struct c_parser): Add in_pragma.
10478 (c_lex_one_token): Always initialize keyword and pragma_kind.
10479 Extract data for CPP_PRAGMA.
10480 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10481 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10482 Don't allow CPP_PRAGMA_EOL if in_pragma.
10483 (c_parser_consume_pragma): New.
10484 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10485 (c_parser_skip_to_end_of_parameter): Likewise.
10486 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10487 (c_parser_skip_to_pragma_eol): New.
10488 (c_parser_external_declaration): Handle CPP_PRAGMA.
10489 (c_parser_compound_statement_nostart): Likewise.
10490 (c_parser_statement_after_labels): Likewise.
10491 (c_parser_pragma): New.
10492 (pragma_lex): Likewise.
10493 (c_parser_pragma_pch_preprocess): New.
10494 (c_parser_new): Merge into ...
10495 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10497 2006-01-04 Jeff Law <law@redhat.com>
10500 * tree-cfg.c (bsi_replace): Remove the original statement
10501 from the EH throw statement table.
10503 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10505 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10506 make the prototype extern "C" and add throw ().
10509 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10510 and pos non-negative and pos + len <= 32.
10511 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10512 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10513 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10516 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10517 as well as sizes not multiple of component size.
10520 * function.c (instantiate_expr): New function.
10521 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10522 walk its DECL_VALUE_EXPR with instantiate_expr.
10524 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10525 DW_OP_deref{,_size} if address isn't going to be added.
10527 2006-01-04 Ben Elliston <bje@au.ibm.com>
10529 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10530 * config/fp-bit.c: Likewise.
10532 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10534 * dominance.c: Add comment about why we use DFS numbering
10537 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10538 Richard Henderson <rth@redhat.com>
10540 Merge from gomp-branch:
10541 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10542 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10544 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10546 PR rtl-optimization/25578
10547 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10548 pass a parameter to simplify_shift_const if changing ASHIFTRT
10551 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10553 * builtins.c (get_builtin_sync_mem): New function.
10554 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10555 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10556 Call get_builtin_sync_mem to generate mem rtx.
10558 2006-01-03 Richard Guenther <rguenther@suse.de>
10561 * stmt.c (add_case_node): Make sure to clear overflow flags
10564 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10566 Merge from gomp-branch.
10567 * config/sparc/sync.md: New file.
10568 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10569 UNSPECV_LDSTUB): New constants.
10570 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10571 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10572 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10575 2006-01-03 Roger Sayle <roger@eyesopen.com>
10577 * combine.c (reg_subword_p): New predicate to test whether the
10578 destination of a set refers to a subword/piece of a register.
10579 (try_combine): Generalize the code to merge the setting of a
10580 pseudo to a constant followed by a set of a subword of that
10581 register to a constant.
10583 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10585 * basic-block.h (control_flow_graph): Change the type of
10586 x_label_to_block_map to VEC(basic_block,gc) *.
10587 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10588 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10590 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10591 VEC(basic_block,heap) *.
10592 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10593 ssa_prop_fini): Adjust the uses of cfg_blocks.
10595 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10597 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10599 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10600 hashing trees instead of a pointer hash.
10601 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10602 compare for MEM_EXPR.
10604 PR rtl-optimization/25130
10605 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10606 when comparing MEMs for GCSE
10608 2006-01-03 Ben Elliston <bje@au.ibm.com>
10610 * targhooks.h (default_decimal_float_supported_p): Declare.
10611 * targhooks.c (default_decimal_float_supported_p): Define.
10612 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10613 `default_decimal_float_supported_p'.
10614 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10616 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10618 * combine.c (apply_distributive_law <SUBREG>): Check
10619 TRULY_NOOP_TRUNCATION.
10621 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10623 * dwarf2out.c (have_switched_text_section): Delete.
10624 (have_multiple_function_sections): New.
10625 (have_location_lists): Make 'bool'.
10626 (add_AT_loc_list): Use 'true' not '1'.
10627 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10628 (output_loc_list): Use have_multiple_function_sections.
10629 (output_ranges): Likewise.
10630 (dwarf2out_begin_function): Set have_multiple_function_sections if
10632 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10633 Check function_section rather than DECL_SECTION_NAME.
10634 (dwarf2out_finish): Use have_multiple_function_sections.
10635 Don't clear have_location_lists.
10637 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10638 Jan Hubicka <jh@suse.cz>
10640 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10641 case of conditional jump jumping to the next instruction.
10642 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10643 cases of conditional jump jumping to the next instruction.
10645 2006-01-02 Jan Hubicka <jh@suse.cz>
10647 * i386.c (*_cost): Add COSTS_N_INSNS.
10648 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10650 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10653 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10655 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10657 * config/arm/arm.c (all_fpus): Fix comment typo.
10658 * config/darwin.c: Likewise.
10659 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10660 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10661 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10663 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10665 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10666 (rs6000_split_compare_and_swapqhi): New.
10667 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10668 (sync_compare_and_swapqhi_internal): New.
10669 * config/rs6000/rs6000-protos.h: Declare.