1 2006-05-07 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/27409
4 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5 Do not try to find zero-sized subvars.
7 2006-05-07 Richard Guenther <rguenther@suse.de>
9 PR tree-optimization/27136
10 * tree-ssa-loop-niter.c (get_val_for): Correct function
11 comment, assert requirements.
12 (loop_niter_by_eval): Stop processing if the iterated
13 value did not simplify.
15 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
17 * opts.c (flag_see): remove its setting at -O3.
19 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
21 * genpeep.c (main): Make insn-peep.c depend on flags.h.
22 * arm/constraints.md: New file.
23 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
24 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
25 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
26 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
27 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
28 (EXTRA_MEMORY_CONSTRAINT): Likewise.
29 * arm.md: Include constraints.md.
30 (thumb_movsi_insn): Use satisfies_constraint_J.
31 (movhi, movqi): Use satisfies_constraint_I.
33 2006-04-29 Anatoly Sokolov <aesok@post.ru>
35 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
36 for atmeg a645 device.
38 2006-05-06 Richard Guenther <rguenther@suse.de>
40 PR tree-optimization/27151
41 * tree-vect-transform.c (vectorizable_condition): Punt on
42 values that have a different type than the condition.
44 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
47 * c-parser.c (c_parser_cast_expression): Only insert casts into
48 hash table if pointer.
49 * function.c (used_types_insert_helper): Rename from
51 (used_types_insert): Call used_types_insert_helper.
52 * function.h (used_types_insert): Accept only one argument.
54 2006-05-05 David Edelsohn <edesohn@gnu.org>
56 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
57 scratch with output modifier.
59 2006-05-04 David Edelsohn <edelsohn@gnu.org>
62 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
65 2006-05-04 Richard Sandiford <richard@codesourcery.com>
68 * config/mips/mips.c (mips_symbolic_address_p): Return true
69 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
70 SYMBOL_GOTTPREL, and SYMBOL_TLS.
72 2006-05-04 Richard Guenther <rguenther@suse.de>
74 PR tree-optimization/14287
75 PR tree-optimization/14844
76 PR tree-optimization/19792
77 PR tree-optimization/21608
78 PR tree-optimization/27090
79 * tree-ssa-pre.c (try_combine_conversion): New function.
80 (compute_avail): After constructing the value-handle
81 expression, use try_combine_conversion to combine NOP_EXPRs
82 with previous value-handle expressions and use the result if it
85 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
87 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
89 2006-05-04 Jan Hubicka <jh@suse.cz>
92 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
94 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
96 * config/bfin/predicates.md (const01_rtx): Tell generator programs
97 that this only matches CONST_INTs. All users changed to VOIDmode
100 * config/bfin/bfin.c: Include "optabs.h".
101 (bfin_rtx_costs): Some costs for vector operations, to allow combine
103 (enum bfin_builtins): Add a number of fractional and vector builtins.
104 (bfin_init_builtins): Likewise.
105 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
106 (safe_vector_operand, bfin_expand_binop_builtin,
107 bfin_expand_unop_builtin): New functions.
108 (bfin_expand_builtin): Handle the new builtins.
109 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
112 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
115 * Makefile.in (OBJS-common): Add see.o.
116 (see.o): Add dependencies.
117 * common.opt (fsee): New flag for the see optimization was added.
118 * opts.c (flag_see): Initialized.
119 * passes.c (init_optimization_passes, pass_see): New pass.
120 * rtl.h (see_main): Declaration as extern.
121 * timevar.def (TV_SEE): New.
122 * tree-pass.h (pass_see): Declaration as extern.
123 * invoke.texi (-fsee): Document.
124 * recog.c (validate_simplify_insn): New function.
125 * recog.h (validate_simplify_insn): Declaration as extern.
126 * df-problems.c (df_chain_dump): Check for NULL.
128 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
129 Daniel Berlin <dberlin@dberlin.org>
131 * cfgrtl.c (insert_insn_bb_end_new): New function.
132 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
134 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
136 * df.h (struct web_entry): Moved from web.c.
137 (union_defs): Declaration as extern.
138 (unionfind_root): Likewise.
139 (unionfind_union): Likewise.
140 * web.c (struct web_entry): Moved to df.h.
141 (unionfind_root): Remove static declaration.
142 (unionfind_union): Likewise.
143 (union_defs): Likewise and generalize to use callback function.
144 (web_main): Update arguments for union_defs function call.
146 2006-05-04 Richard Guenther <rguenther@suse.de>
148 PR tree-optimization/26447
149 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
150 produce SSA_NAME copies before the store stmt to avoid
151 breaking exception handling.
153 2006-05-04 Jakub Jelinek <jakub@redhat.com>
156 * gimplify.c (omp_is_private): If var is shared in some outer context,
157 return false instead of true. Stop searching on parallel context
160 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
163 * coverage.c: Use get_gcov_unsigned_t() instead of
164 unsigned_type_node all over.
166 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
168 PR tree-optimization/27381
169 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
170 maintain the same immediate_use links.
171 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
172 node rather than segfaulting.
174 2006-05-03 Jakub Jelinek <jakub@redhat.com>
177 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
178 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
179 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
181 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
183 Fix PR tree-optimization/26626
184 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
186 * tree-ssa-operands.c (access_can_touch_variable): Allow
187 typecasting through union pointers.
189 2006-05-02 Jakub Jelinek <jakub@redhat.com>
192 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
193 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
194 to find if var will be a global variable even in the nested context.
195 (omp_copy_decl): Only check for global variable at the end, it might
196 be overridden in outer contexts.
197 (scan_sharing_clauses): For global variables don't create a field.
198 (lower_rec_input_clauses): Do nothing for global shared variables.
199 Emit a barrier at the end of ILIST if there were any decls in both
200 firstprivate and lastprivate clauses.
201 (lower_send_clauses): Do nothing for global variables except for
204 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
206 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
207 of the correct signedness is returned.
209 2006-05-02 Jeff Law <law@redhat.com>
211 PR tree-optimization/27364
212 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
213 multiply expressions.
215 2006-05-02 Tom Tromey <tromey@redhat.com>
217 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
219 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
222 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
223 -mthumb -fPIC are used.
225 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
226 Joshua Kinard <kumba@gentoo.org>
229 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
230 with 64-bit pointers.
232 2006-05-02 Paul Brook <paul@codesourcery.com>
234 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
236 (create_fix_barrier): Check that a suitable barrier location is
238 (arm_reorg): Include ftmp->address in allowable range of addresses.
240 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
243 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
246 2006-05-02 Jakub Jelinek <jakub@redhat.com>
249 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
250 around RESULT_DECL for result passed by reference.
251 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
252 * omp-low.c (use_pointer_for_field): Don't look at
253 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
254 (scan_omp_1): Call remap_decl on RESULT_DECLs.
255 (lower_rec_input_clauses): Don't allocate VLA memory for the second
256 time or var for passing by reference for
257 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
258 TREE_ADDRESSABLE variables when passing by reference.
260 * omp-low.c (dump_omp_region): Fix output formatting.
263 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
264 (expand_omp_parallel): Likewise.
265 * tree-cfg.c (move_sese_region_to_fn): Likewise.
268 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
269 on statement list containing also constructors and destructors.
270 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
273 * except.c (duplicate_eh_regions): Fix clearing of
274 cfun->eh->region_array entries.
276 2006-05-01 DJ Delorie <dj@redhat.com>
278 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
280 (gcc_cv_objdump): Likewise.
281 * configure: Regenerated.
283 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
286 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
287 templates for case 3 and 4.
289 2006-05-01 DJ Delorie <dj@redhat.com>
291 * vec.c: Include bconfig.h when appropriate.
292 * Makefile.in (build/vec.o): Adjust dependencies.
293 * mkconfig.sh: Make sure config.h isn't used for build machine
296 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
298 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
300 (mark_phi_for_rewrite): New function.
301 (insert_phi_nodes_for, mark_use_interesting): Call
302 mark_phi_for_rewrite.
303 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
304 (update_ssa): Initialize and free phis_to_rewrite.
306 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
308 PR rtl-optimization/27291
309 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
310 folded to a constant.
312 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
314 PR tree-optimization/27283
315 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
316 not whole # of iteration descriptions.
317 (niter_for_exit): Return just # of iterations. Fail if # of iterations
318 uses abnormal ssa name.
319 (niter_for_single_dom_exit): Ditto.
320 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
321 return just the number of iterations.
323 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
325 PR tree-optimization/27144
326 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
327 (record_estimate): Only record constant upper bound.
328 (infer_loop_bounds_from_undefined): Call
329 compute_estimated_nb_iterations just once.
330 (proved_non_wrapping_p): Renamed to ...
331 (n_of_executions_at_most): ... this. Expect bound to be a constant.
332 (convert_step_widening, scev_probably_wraps_p): Call
333 n_of_executions_at_most instead of proved_non_wrapping_p.
334 (substitute_in_loop_info): Do not replace values in bounds.
335 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
338 2006-05-01 Richard Henderson <rth@redhat.com>
341 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
342 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
345 2006-05-01 Roger Sayle <roger@eyesopen.com>
347 * c-typeck.c (parser_build_binary_op): Don't call the function
348 unsigned_conversion_warning to spot operand/result type overflow.
349 (build_binary_op): Instead, call convert_and_check instead of
350 convert to report the problem when the operands are promoted.
351 * c-common.c (unsigned_conversion_warning): Make static.
352 * c-common.h (unsigned_conversion_warning): Delete prototype.
354 2006-05-01 Richard Guenther <rguenther@suse.de>
356 PR tree-optimization/26726
357 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
359 (find_interesting_uses_address): ... we work around here
360 by folding INDIRECT_REFs in the substituted base.
362 2006-05-01 Diego Novillo <dnovillo@redhat.com>
364 * omp-low.c (dump_omp_region): Add newlines.
366 2006-04-30 Roger Sayle <roger@eyesopen.com>
368 * common.opt (Woverflow): New command line option.
369 * c-common.c (constant_expression_warning): Check warn_overflow.
370 (overflow_waring): Pass OPT_Woverflow to warning.
371 (unsigned_conversion_warning): Likewise.
372 (convert_and_check): Likewise.
373 * doc/invoke.texi: Document new command line option.
375 2006-04-30 David Edelsohn <edelsohn@gnu.org>
377 * config/rs6000/rs6000.c (rs6000_override_options): Enable
378 TARGET_NO_FP_IN_TOC for section anchors.
379 (optimization_options): Enable section anchors for all
380 non-"Objective" languages.
382 2006-04-28 Eric Christopher <echristo@apple.com>
384 * config/darwin-c.c (darwin_ms_struct): Move this
385 (darwin_set_default_type_attributes): and this...
386 * config/darwin.c: ... here.
387 * config/darwin.h (darwin_ms_struct): Declare.
389 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
391 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
393 2006-04-28 Roger Sayle <roger@eyesopen.com>
396 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
397 (push_array_bounds): Delete prototype. Change BOUNDS argument to
398 an unsigned HOST_WIDE_INT.
399 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
401 (really_start_incremental_init): No need to call convert because
402 bitsize_zero_node is already of type bitsizetype.
403 (push_init_level): Extract the value of constructor_index as an
404 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
405 (process_init_element): Likewise.
407 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
409 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
410 value before passing to make_relative_prefix.
412 2006-04-28 Alan Modra <amodra@bigpond.net.au>
415 * builtins.c (expand_builtin_memset): Expand val in original mode.
417 2006-04-27 Eric Christopher <echristo@apple.com>
419 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
421 * config/darwin-c.c (darwin_ms_struct): New.
422 (darwin_pragma_ms_struct): Ditto.
423 (darwin_set_default_type_attributes): Ditto.
424 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
425 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
426 Register ms_struct pragma.
427 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
428 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
429 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
430 darwin_set_default_type_attributes if TARGET_MACHO.
432 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
434 PR tree-optimization/26854
435 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
436 * doc/tree-ssa.texi: Update immuse iterator documentation.
437 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
438 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
439 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
440 first_safe_imm_use, next_safe_imm_use): Remove.
441 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
442 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
443 (move_use_after_head): New. Helper function to sort immuses in a stmt.
444 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
445 (first_imm_use_stmt): New. Get first stmt in an immuse list.
446 (next_imm_use_stmt): New. Get next stmt in an immuse list.
447 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
448 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
449 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
450 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
451 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
452 (perfect_nestify): Use new iterator.
453 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
455 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
456 (next_imm_name): New field in struct immediate_use_iterator_d.
457 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
458 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
459 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
460 * tree-cfg.c (replace_uses_by): Use new iterator.
461 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
462 * tree-ssa-operands.c (correct_use_link): Remove.
463 (finalize_ssa_use_ops): No longer call correct_use_link.
465 2006-04-27 Stuart Hastings <stuart@apple.com>
467 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
468 * config/t-darwin (crt3.o): Use it.
469 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
470 'pmode', use Pmode instead of SImode for SYMBOL_REF.
471 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
472 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
473 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
476 2006-04-27 Roger Sayle <roger@eyesopen.com>
478 * expmed.c (store_fixed_bit_field): If we're not optimizing for
479 size, force the intermediate into a new pseudo rather instead of
480 performing both a bitwise AND and a bitwise IOR in memory.
482 2006-04-27 Richard Guenther <rguenther@suse.de>
484 PR rtl-optimization/26685
485 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
486 this one "max-flow-memory-locations".
488 2006-04-27 Richard Guenther <rguenther@suse.de>
490 PR tree-optimization/25148
491 * tree-vrp.c (compare_values): Remove code dealing with
492 comparisons against type min/max value. Honour overflow
493 and negative constants in code dealing with comparisons
494 of plus and minus expressions.
495 (value_inside_range): Use fold_binary with LE_EXPR and
496 GE_EXPR rather than compare_values.
498 2006-04-27 Dirk Mueller <dmueller@suse.de>
500 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
503 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
505 * basic-block.h (safe_insert_insn_on_edge): Removed.
506 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
509 2006-04-26 David Edelsohn <edelsohn@gnu.org>
510 Paolo Bonzini <bonzini@gnu.org>
513 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
514 (simplify_and_const_int): Same.
516 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
518 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
520 2006-04-26 Jakub Jelinek <jakub@redhat.com>
523 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
524 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
525 cgraph_global_info_ready.
528 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
531 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
532 either decl or init is error_mark_node.
535 * tree-flow.h (struct omp_region): Add sched_kind.
536 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
537 instead of extracting omp for data.
538 (expand_omp_for): Save extracted sched_kind.
540 2006-04-25 Roger Sayle <roger@eyesopen.com>
542 * expmed.c (store_bit_field): Also check whether the bitsize is
543 valid for the machine's "insv" instruction before moving the
544 target into a pseudo for use with the insv.
545 * config/i386/predicates.md (const8_operand): New predicate.
546 * config/i386/i386.md (extv, extzv, insv): Use the new
547 const8_operand predicate where appropriate.
549 2006-04-25 DJ Delorie <dj@redhat.com>
551 * doc/install.texi (Specific): Clarify that this is not a list of
552 supported hosts or targets.
554 2006-04-25 Richard Sandiford <richard@codesourcery.com>
556 PR rtl-optimization/26725
557 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
558 block's BB_DIRTY flag.
560 2006-04-25 Geoffrey Keating <geoffk@apple.com>
562 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
565 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
568 2006-04-25 David Edelsohn <edelsohn@gnu.org>
570 * varasm.c (align_variable): New function.
571 (get_block_for_decl): Apply align_variable to DECL before
572 calculating section information.
573 (assemble_variable): Split out alignment computation.
575 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
577 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
580 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
582 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
583 MODE_PARTIAL_INT mode.
584 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
585 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
587 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
588 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
590 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
592 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
594 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
595 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
596 MACFLAG_IH): Likewise.
597 (movstricthi_1): Renamed from "*movstricthi".
598 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
599 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
600 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
601 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
602 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
603 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
604 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
605 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
606 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
607 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
608 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
609 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
610 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
611 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
612 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
614 * doc/rtl.texi (ss_ashift): Improve wording.
616 2006-04-24 Geoffrey Keating <geoffk@apple.com>
618 * dwarf2out.c (verify_marks_clear): New.
619 (prune_unused_types): Call verify_marks_clear initially, not
622 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
624 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
625 * doc/rtl.texi: Document them.
626 * simplify-rtx.c (simplify_unary_operation,
627 simplify_binary_operation_1): Don't abort when we see them.
629 2006-04-24 Mark Mitchell <mark@codesourcery.com>
632 2006-04-23 Mark Mitchell <mark@codesourcery.com>
633 * configure.ac: Completely disregard languages that are not
635 * configure: Regenerated.
637 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
638 Richard Guenther <rguenther@suse.de>
640 PR tree-optimization/27236
641 * tree-inline.c (copy_body_r): Make sure to copy
642 TREE_THIS_VOLATILE flag.
644 2006-04-24 Richard Guenther <rguenther@suse.de>
647 * tree-complex.c (update_parameter_components): Don't handle
648 unused parameters which have no default def.
650 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
651 Richard Guenther <rguenther@suse.de>
653 PR tree-optimization/27218
654 * tree-inline.c (expand_call_inline): Strip useless type
655 conversions for the return slot address.
657 2006-04-24 Richard Guenther <rguenther@suse.de>
659 * cfgloop.h (struct loops): Remove unused field array. Reorder
661 (LOOP_PREFETCH): Remove.
663 2006-04-24 Richard Guenther <rguenther@suse.de>
665 PR tree-optimization/22525
666 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
667 variable, adjust types of generated expressions.
669 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
671 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
672 (tree-vect-patterns.o): Likewise.
674 (cselib.o): Likewise.
675 (loop-doloop.o): Likewise.
676 (regclass.o): Likewise.
677 (reload1.o): Likewise.
678 (explow.o): Replace target.h with $(TARGET_H).
679 (ipa-prop.o): Likewise.
680 (ipa-cp.o): Likewise.
681 (ipa-inline.o): Likewise.
683 (reg-stack.o): Likewise.
685 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
687 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
689 2006-04-23 Mark Mitchell <mark@codesourcery.com>
691 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
693 * configure.ac: Completely disregard languages that are not
695 * configure: Regenerated.
698 * c-common.h (c_build_bitfield_integer_type): Declare.
699 * c-decl.c (c_build_bitfield_integer_type): Move to ...
700 * c-common.c (c_build_bitfield_integer_type): ... here.
702 2006-04-23 Roger Sayle <roger@eyesopen.com>
705 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
706 a SImode SUBREG of a floating point register after no_new_pseudos.
708 2006-04-23 Roger Sayle <roger@eyesopen.com>
710 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
711 identify potentially eliminable registers to additionally catch
712 VIRTUAL_INCOMING_ARGS_REGNUM.
713 (addsi3): Update the conditions on when to use addsi_small_int.
715 2006-04-23 Roger Sayle <roger@eyesopen.com>
718 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
719 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
720 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
722 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
724 * fold-const.c (range_predecessor): Use operand_equal_p
725 as the predicate for equality.
726 (range_successor): Likewise.
728 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
731 * config/soft-fp/op-common.h: Fix a typo.
733 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
736 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
737 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
739 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
741 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
743 * doc/tm.texi: Fix a typo.
745 2006-04-21 Geoffrey Keating <geoffk@apple.com>
747 * dwarf2out.c (struct die_struct): Document that die_sib makes
748 a circular linked list.
749 (FOR_EACH_CHILD): New.
750 (reverse_die_lists): Delete.
751 (reverse_all_dies): Delete.
752 (add_dwarf_attr): Correct documentation.
753 (remove_child_with_prev): New.
754 (remove_child_TAG): Update for change to die_struct, use
755 remove_child_with_prev.
756 (add_child_die): Update for change to die_struct.
757 (splice_child_die): Use remove_child_with_prev and add_child_die.
758 (print_die): Use FOR_EACH_CHILD.
759 (die_checksum): Likewise.
760 (assign_symbol_names): Likewise.
761 (output_location_lists): Likewise.
762 (build_abbrev_table): Likewise.
763 (calc_die_sizes): Likewise.
764 (mark_dies): Likewise.
765 (unmark_dies): Likewise.
766 (unmark_all_dies): Likewise.
767 (output_die): Likewise.
768 (prune_unused_types_mark): Likewise.
769 (prune_unused_types_walk): Likewise.
770 (same_die_p): Update for change to die_struct.
771 (break_out_includes): Likewise.
772 (prune_unused_types_prune): Likewise.
773 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
774 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
776 (dwarf2out_finish): Don't call reverse_all_dies.
778 2006-04-21 Eric Christopher <echristo@apple.com>
780 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
781 in comments and function names.
783 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
786 * c-typeck.c (digest_init): Robustify.
788 * c-typeck.c (pop_init_level): Simplify.
790 2006-04-21 Steve Ellcey <sje@cup.hp.com>
792 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
794 2006-04-21 Paul Brook <paul@codesourcery.com>
796 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
797 hardware floating point.
799 2006-04-21 David Edelsohn <edelsohn@gnu.org>
801 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
804 2006-04-21 Nick Clifton <nickc@redhat.com>
806 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
809 2006-04-21 Alan Modra <amodra@bigpond.net.au>
812 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
813 C++ lang type in traceback table for Objective-C++.
815 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
817 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
819 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
821 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
824 * tree-mudflap.c (mudflap_finish_file): Skip function when there
825 were errors. Remove check for erroneous objects.
827 2006-04-20 Jeff Law <law@redhat.com>
829 PR tree-optimization/26854
830 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
831 checking for zero or one use.
832 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
833 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
834 * tree-ssa-reassoc.c (negate_value): Similarly.
835 (reassociate_bb): Similarly.
837 2006-04-20 Jakub Jelinek <jakub@redhat.com>
839 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
840 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
841 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
843 2006-04-20 Alan Modra <amodra@bigpond.net.au>
845 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
846 fp regs if the last fp arg doesn't fit in regs.
848 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
851 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
852 that the last insn has the REG_INC note.
854 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
855 Nathan Sidwell <nathan@codesourcery.com>
858 * stor-layout.c (update_alignment_for_field): Do not align
860 (place_union_field): Place union field at the start of the union.
861 (place_field): Move ERROR_MARK check later, and use the current
862 allocation position to maintain monotonicity.
864 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
866 * dominance.c: Include timevar.h.
867 (calculate_dominance_info): Use TV_DOMINANCE.
868 * timevar.def (TV_DOMINANCE): New timevar.
869 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
871 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
873 PR rtl-optimization/14261
874 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
875 move would be an INSV insn.
876 (noce_process_if_block): Don't optimize if the destination is a
877 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
879 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
881 * config/s390/s390.md: Add comments with the instructions emitted
882 by an insn pattern if macros are used.
884 2006-04-19 Alan Modra <amodra@bigpond.net.au>
886 PR rtl-optimization/26026
887 * fold-const.c (fold_binary): Optimize div and mod where the divisor
888 is a known power of two shifted left a variable amount.
890 2006-04-18 Geoffrey Keating <geoffk@apple.com>
892 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
893 to hash table twice when the debug_str section has SECTION_MERGE.
895 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
897 * config/soft-fp: New directory. From glibc.
898 * config/soft-fp/t-softfp: New.
899 * config/soft-fp/README: New.
900 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
901 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
902 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
903 (LIBGCC_DEPS): Add $(SFP_MACHINE).
904 * config.gcc: Use rs6000/t-fprules-fpbit or
905 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
907 * config/rs6000/sfp-machine.h: New. Based on glibc.
908 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
910 * config/rs6000/t-fprules: Remove fp-bit rules.
911 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
912 * config/rs6000/t-linux64: Likewise. Remove duplicates from
913 LIB2FUNCS_EXTRA. Remove fp-bit rules.
914 (softfp_wrap_start, softfp_wrap_end): New.
916 2006-04-18 DJ Delorie <dj@redhat.com>
918 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
920 2006-04-18 Devang Patel <dpatel@apple.com>
922 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
924 2006-04-18 Nick Clifton <nickc@redhat.com>
926 * config/sh/t-symbian: Add rule to build sh-c.o
927 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
928 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
929 (sh_symbian_encode_section_info): Likewise.
931 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
933 * builtins.c (expand_builtin_strcmp): Cover label definition of
934 do_libcall with HAVE_cmpstrnsi.
936 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
938 * function.c (temp_slots_at_level, max_slot_level): Use VEC
940 * function.h (temp_slot_p): New.
941 (function): Change the type of x_used_temp_slots to
942 VEC(temp_slot_p,gc) *.
944 2006-04-18 Nick Clifton <nickc@redhat.com>
946 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
947 flag_strength_reduce.
949 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
951 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
955 Partial revert of revision 112637
956 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
957 Dale Johannesen <dalej@apple.com>
960 * regclass.c (struct reg_pref): Update documentation.
961 (regclass): Set prefclass to NO_REGS if memory is the best option.
962 (record_reg_classes): Cope with a prefclass set to NO_REGS.
964 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
966 PR tree-optimization/26821
967 * tree-ssa-math-opts.c (get_constant_one): New.
968 (insert_reciprocals): Use it.
970 2006-04-17 Geoffrey Keating <geoffk@apple.com>
972 * dwarf2out.c (free_AT): Delete.
973 (remove_AT): Update string ref counts.
974 (remove_child_TAG): Don't call free_die.
976 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
978 (prune_unused_types_walk_attribs): Reset string refcounts.
979 (prune_unused_types_update_strings): New.
980 (prune_unused_types_prune): Don't make unnecessary stores. Don't
981 call free_die. Do call prune_unused_types_update_strings.
982 (prune_unused_types): Empty debug_str_hash.
984 2006-04-17 Roger Sayle <roger@eyesopen.com>
986 * expr.c (expand_assignment): Optimize away no-op moves where the
987 source and destination are equal and have no side-effects.
989 2006-04-17 Richard Guenther <rguenther@suse.de>
992 * reload.c (push_reload): Guard calls to get_secondary_mem
995 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
997 * alias.c (reg_base_value, old_reg_base_value): Change the
998 type to VEC(rtx,gc) *.
999 (REG_BASE_VALUE, find_base_value, record_set,
1000 init_alias_analysis): Use VEC instead of VARRAY.
1002 * alias.c (alias_sets): Change the type to
1003 VEC(alias_set_entry,gc) *.
1004 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1005 VEC instead of VARRAY.
1006 (last_alias_set): Remove.
1008 * cgraph.h (cgraph_edge_p): New.
1009 Update the prototype of cgraph_function_versioning.
1010 * cgraphunit.c (cgraph_copy_node_for_versioning,
1011 cgraph_function_versioning): Use VEC instead of VARRAY.
1012 * ipa-cp.c (ipcp_insert_stage): Likewise.
1014 2006-04-16 Roger Sayle <roger@eyesopen.com>
1017 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1018 "A op B" or "A op C", we may need to convert A to the type of B and C.
1020 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1022 * target.h (struct gcc_target): Add mode_rep_extended.
1023 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1024 (init_num_sign_bit_copies_in_rep): Initialize it using
1026 (truncate_to_mode): Use it.
1027 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1028 * targhooks.h (default_mode_rep_extended): Declare it.
1029 * targhooks.c (default_mode_rep_extended): Define it.
1030 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1031 default_mode_rep_extended.
1032 (TARGET_INITIALIZER): Include it.
1033 * doc/tm.texi (Misc): Document it.
1034 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1035 (mips_truncated_to_mode): New function.
1037 2006-04-16 Roger Sayle <roger@eyesopen.com>
1040 * expr.c (compress_float_constant): Copy the narrow constant into
1041 a new pseudo before extending it to its final width.
1043 2006-04-16 Roger Sayle <roger@eyesopen.com>
1044 Andrew Pinski <pinskia@gcc.gnu.org>
1045 Dale Johannesen <dalej@apple.com>
1048 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1049 special case code to implement V8HImode and V16QImode with SSE2.
1051 2006-04-15 Roger Sayle <roger@eyesopen.com>
1053 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1054 trees are constructed with a suitable tree type.
1056 2006-04-15 Roger Sayle <roger@eyesopen.com>
1058 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1059 (integer_onep): Likewise.
1060 (integer_all_onesp): Likewise.
1061 (integer_pow2p): Likewise.
1062 (integer_nonzerop): Likewise.
1063 (real_zerop): Likewise.
1064 (real_onep): Likewise.
1065 (real_twop): Likewise.
1066 (real_minus_onep): Likewise.
1067 (int_size_in_bytes): Likewise.
1068 (host_integerp): Likewise.
1070 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1072 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1073 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1074 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1076 * tree-ssa-structalias.h (alias_info): Remove num_references.
1078 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1080 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1081 (output_bvb patterns): Likewise.
1082 * pa.c (output_bb): Use 'bb' insn for long branch case.
1083 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1084 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1085 1. Correct length operand for alternatives 1 and 2.
1086 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1087 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1089 2006-04-14 Roger Sayle <roger@eyesopen.com>
1091 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1092 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1093 were accidentally reverted by r112959.
1095 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1098 * except.h (eh_region_outermost): New prototype.
1099 * except.c (eh_region_outermost): New function.
1100 * tree-cfg.c (find_outermost_region_in_block): Use it.
1102 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1104 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1106 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1107 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1108 (init_reload, reload): Use VEC instead of VARRAY.
1109 * reload.h: Update the prototype for
1110 reg_equiv_memory_loc_varray.
1112 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1113 Eric Botcazou <ebotcazou@libertysurf.fr>
1115 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1118 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1121 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1122 to expand fallback builtin function call.
1124 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1127 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1128 and emit libcall here in case the builtin fails.
1129 (expand_builtin_strcmp): Always emit the libcall here on failure.
1131 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1133 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1134 * flow.c (reg_n_info): Change the type to
1135 VEC(reg_info_p,heap) *.
1136 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1138 * regs.h (reg_info_p): New.
1139 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1140 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1141 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1144 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1146 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1148 * params.h (MAX_SCHED_READY_INSNS): New macro.
1149 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1150 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1151 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1152 the ready list for 1 cycle during the first scheduling pass.
1153 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1155 2006-04-13 Richard Henderson <rth@redhat.com>
1158 * gimple-low.c (lower_omp_directive): Remove dead code.
1159 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1160 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1161 * omp-low.c (struct omp_region): Move to tree-flow.h.
1162 (root_omp_region): Export.
1163 (omp_regions, lookup_omp_region): Remove.
1164 (determine_parallel_type): Update for struct omp_region changes.
1165 (dump_omp_region): Dump regions with block numbers.
1166 (new_omp_region): Take type and block instead of stmt; malloc
1168 (free_omp_region_1, free_omp_regions): New.
1169 (expand_parallel_call): Take entry_stmt as argument; update for
1170 changes to omp_region.
1171 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1172 (remove_exit_barriers): New.
1173 (expand_omp_parallel): Update for struct omp_region changes.
1174 (expand_omp_synch): Likewise.
1175 (expand_omp): Likewise.
1176 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1177 (expand_omp_for_static_chunk): Likewise.
1178 (expand_omp_for): Likewise.
1179 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1180 (expand_omp_sections): Similarly, with GOMP_sections_end.
1181 (expand_omp_single): New.
1182 (build_omp_regions_1): Update for OMP_CONTINUE.
1183 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1184 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1185 OMP_SECTIONS_SECTIONS.
1186 (lower_omp_single_simple): Don't emit barrier here.
1187 (lower_omp_single_copy): Likewise.
1188 (lower_omp_single): Fix bindings, and lower to straightline now.
1189 (lower_omp_master, lower_omp_ordered): Likewise.
1190 (lower_omp_critical): Likewise.
1191 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1192 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1193 omp edges, free it afterward.
1194 (make_omp_sections_edges): Remove.
1195 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1196 (move_stmt_r): Handle OMP_CONTINUE.
1197 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1198 statement pointers to basic blocks. Add type member.
1199 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1200 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1201 * tree-inline.c (estimate_num_insns_1): Likewise.
1202 * tree-pretty-print.c (dump_generic_node): Likewise.
1203 * tree-ssa-operands.c (get_expr_operands): Likewise.
1204 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1205 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1206 (OMP_CONTINUE): New.
1207 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1208 (OMP_SECTIONS_SECTIONS): Remove.
1209 (OMP_SECTION_LAST): New.
1210 (OMP_RETURN_NOWAIT): New.
1212 2006-04-13 Roger Sayle <roger@eyesopen.com>
1214 * fold-const.c (native_encode_vector, native_interpret_real):
1215 Correct obvious mistakes in the previous check-in.
1217 2006-04-13 Roger Sayle <roger@eyesopen.com>
1219 * fold-const.c (native_encode_expr): New function to encode
1220 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1221 or VECTOR_CST into a specified buffer.
1222 (native_encode_int): New function.
1223 (native_encode_real): New function.
1224 (native_encode_complex): New function.
1225 (native_encode_vector): New function.
1226 (native_interpret_expr): Inverse of native_encode_expr to convert
1227 a target representation into an INTEGER_CST, REAL_CST etc...
1228 (native_interpret_int): New function.
1229 (native_interpret_real): New function.
1230 (native_interpret_complex): New function.
1231 (native_interpret_vector): New function.
1232 (fold_view_convert_expr): New function to constant fold/evaluate
1233 a VIEW_CONVERT_EXPR of a suitable constant expression.
1234 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1235 Change call of build1 to fold_build1 when constructing a
1238 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1239 Ulrich Weigand <uweigand@de.ibm.com>
1242 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1245 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1248 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1249 optimize to lo_sum for DFmode if !TARGET_FPRS.
1251 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1253 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1254 delete_alias_info, compute_flow_sensitive_aliasing,
1255 group_aliases): Use VEC instead of VARRAY.
1256 * tree-ssa-structalias.c (update_alias_info): Likewise.
1257 * tree-ssa-structalias.h (alias_info): Change the type of
1258 processed_ptrs to VEC(tree,heap) *.
1260 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1263 * config/sh/lib1funcs.h: New file, broken out of:
1264 * config/sh/lib1funcs.asm.
1265 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1267 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1268 * config/sh/lib1funcs-Os-4-200.asm: New file.
1269 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1270 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1271 (EXTRA_MULTILIB_PARTS): Include it.
1272 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1273 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1274 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1275 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1278 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1280 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1281 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1282 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1284 * tree-ssa-live.h: Include vecprim.h.
1285 (tree_partition_associator_d): Change the type of
1286 first_partition to VEC(int,heap) *.
1287 (tpa_first_partition): Use VEC instead of VARRAY.
1289 * Makefile.in (GTFILES): Move functions.h after tree.h.
1290 * function.c (reset_block_changes, record_block_change,
1291 check_block_change, free_block_changes): Use VEC instead of
1293 * function.h (function): Change the type of
1294 ib_boundaries_block to VEC(tree,gc) *.
1295 * tree-inline.c (copy_cfg_body): Initialize
1296 ib_boundaries_block to NULL instead of (varray_type) 0.
1298 2006-04-12 Roger Sayle <roger@eyesopen.com>
1300 * expr.c (emit_group_store): Correct operand order in call to
1301 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1302 a SUBREG_BYTE of zero.
1304 2006-04-12 Richard Guenther <rguenther@suse.de>
1306 * profile.c (compute_branch_probabilities): Remove code
1307 encapsulated in !ir_type (), which are remanents of the
1308 removed RTL profiling code.
1309 * rtl-profile.c: Remove.
1311 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1313 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1314 magic NULL_RTX comment.
1315 (function_arg): Store entire fp arg to mem if any part should go
1317 (rs6000_arg_partial_bytes): Adjust for above change.
1319 2006-04-11 Roger Sayle <roger@eyesopen.com>
1321 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1322 if it hasn't been initialized by dwarf2out_init.
1324 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1326 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1327 symbolic constants in branch patterns.
1329 2006-04-11 Roger Sayle <roger@eyesopen.com>
1331 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1333 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1335 PR rtl-optimization/27073
1336 * gcse.c (try_replace_reg): Revert last change. Continue to search
1337 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1340 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1342 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1343 aggregate types other than record and union types.
1344 (function_arg): Likewise.
1345 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1347 (function_value): In 64-bit mode, return objects that require it
1350 2006-04-11 Roger Sayle <roger@eyesopen.com>
1352 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1354 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1356 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1358 2006-04-03 Jeff Law <law@redhat.com>
1361 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1362 alias information too.
1364 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1366 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1368 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1371 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1372 (premark_used_types_helper): New.
1373 (premark_used_types): New.
1374 (gen_subprogram_die): Call premark_used_types.
1375 (prune_unused_types_walk): Do not prune perennial dies.
1376 * function.c (used_types_insert): New.
1377 * function.h (struct function): Add used_types_hash field.
1378 (used_types_insert): Add prototype.
1379 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1380 * c-parser.c (c_parser_cast_expression): Save casted types in used
1383 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1386 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1387 rs6000_explicit_options.float_gprs.
1389 2006-04-10 Roger Sayle <roger@eyesopen.com>
1391 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1392 from ix86_expand_vector_init_low_nonzero. Take an additional
1393 one_var argument indicating which element is non-zero. Support
1394 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1395 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1396 with one_var instead of ix86_expand_vector_init_low_nonzero.
1398 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1400 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1401 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1402 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1403 build/genextract.o): Depend on vecprim.h.
1404 * cfglayout.c, df-problems.c, function.c, genextract.c,
1405 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1406 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1410 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1412 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1413 Declare VECs of this type.
1414 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1415 (remove_children): Delete.
1416 (add_dwarf_attr): Use VEC routines.
1417 (add_AT_flag): Update for changes to add_dwarf_attr.
1418 (add_AT_int): Likewise.
1419 (add_AT_unsigned): Likewise.
1420 (add_AT_long_long): Likewise.
1421 (add_AT_vec): Likewise.
1422 (add_AT_string): Likewise.
1423 (add_AT_die_ref): Likewise.
1424 (add_AT_fde_ref): Likewise.
1425 (add_AT_loc): Likewise.
1426 (add_AT_loc_list): Likewise.
1427 (add_AT_addr): Likewise.
1428 (add_AT_lbl_id): Likewise.
1429 (add_AT_lineptr): Likewise.
1430 (add_AT_macptr): Likewise.
1431 (add_AT_offset): Likewise.
1432 (add_AT_range_list): Likewise.
1433 (get_AT): Use VEC_iterate.
1434 (remove_AT): Use VEC_ordered_remove.
1435 (free_die): Fold remove_children into here; have it use VEC_iterate.
1436 (print_die): Use VEC_iterate on attrs.
1437 (reverse_die_lists): Don't reverse attr lists.
1438 (die_checksum): Use VEC_iterate on attrs.
1439 (same_die_p): Likewise.
1440 (output_location_lists): Likewise.
1441 (build_abbrev_table): Likewise.
1442 (size_of_die): Likewise.
1443 (unmark_all_dies): Likewise.
1444 (output_abbrev_section): Likewise.
1445 (output_die): Likewise.
1446 (prune_unused_types_walk_attribs): Likewise.
1448 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1450 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1452 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1455 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1457 2006-04-09 Roger Sayle <roger@eyesopen.com>
1459 * expr.c (store_constructor): Don't bother clearing target if
1460 we're about to assign a vector to it using vec_init_optab.
1462 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1464 * tree-ssa-alias.c (lhs_may_store_to): New function.
1465 (recalculate_used_alone): Handle LHS of calls.
1467 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1471 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1472 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1473 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1474 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1475 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1476 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1477 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1478 stubs. Add ".align 8" directives before all ".dword" directives.
1479 (GTHREAD_USE_WEAK): Revise comment.
1480 (TARGET_ATTRIBUTE_WEAK): Define.
1481 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1482 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1483 * stublib.c: New file.
1488 * pa.md (cbranch patterns): Revise arguments used in calls to
1489 output_cbranch, output_bb and output_bvd. Add long branch length
1491 (fbranch patterns): Handle long branches.
1492 (jump): Revise length check. Revise arguments for output_lbranch call.
1493 Add long branch length attributes.
1494 (decrement_and_branch_until_zero): Add long branch length attributes.
1495 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1496 Likewise. Revise arguments for output_parallel_addb and
1497 output_parallel_movb calls.
1498 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1499 output_parallel_movb and output_parallel_addb): Update prototypes.
1500 * pa.c (output_cbranch): Revise arguments. Correct handling of
1501 nullification in long branches.
1502 (output_lbranch): Add new argument to control extraction of delay
1504 (output_bb): Handle long branches.
1505 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1506 output_parallel_addb): Likewise.
1508 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1510 PR rtl-optimization/27073
1511 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1514 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1516 * tree.h (tree_memory_tag): Add old_used_alone.
1517 (SMT_OLD_USED_ALONE): New macro.
1518 * tree-ssa-alias.c (recalculate_used_alone): Stop
1519 marking things for renaming unnecessarily.
1521 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1523 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1524 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1525 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1526 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1527 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1528 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1529 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1530 spelling convensions.
1531 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1532 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1533 typos. Follow spelling conventions.
1535 2006-04-07 DJ Delorie <dj@redhat.com>
1537 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1538 passed on the stack.
1539 (m32c_init_cumulative_args): When a function returns a structure,
1540 always pass the pointer to that return area on the stack.
1541 (m32c_function_arg_advance): Don't increment the parameter number
1542 if we're processing the returned structure pointer.
1543 (pushm_info): Reverse order of registers.
1545 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1547 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1548 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1549 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1550 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1552 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1553 chrec_fold_multiply): Same.
1554 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1555 force_expr_to_var_cost): Same.
1556 * tree-mudflap.c (mf_xform_derefs_1): Same.
1557 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1559 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1561 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1562 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1565 2006-04-07 Jan Hubicka <jh@suse.cz>
1567 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1569 2006-04-07 Richard Guenther <rguenther@suse.de>
1571 PR tree-optimization/26135
1572 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1573 loads for store copy-prop.
1574 (copy_prop_visit_stmt): Likewise.
1576 2006-04-05 Robert Millan <robertmh@gnu.org>
1578 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1579 being overriden in config/k*bsd-gnu.h.
1580 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1582 * gcc/config/knetbsd-gnu.h: Ditto.
1584 2006-04-06 Jan Hubicka <jh@suse.cz>
1588 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1591 2006-04-06 Mike Stump <mrs@apple.com>
1593 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1594 for HAVE_nonlocal_goto to be consistent.
1595 (expand_builtin_nonlocal_goto): Likewise.
1596 (expand_builtin_strcmp): Use #ifdef instead of #if
1597 for HAVE_cmpstrnsi to be consistent.
1599 2006-04-05 DJ Delorie <dj@redhat.com>
1601 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1604 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1606 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1607 got-relative addressing for anything but SImode.
1609 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1610 even if the calling function doesn't modify them.
1612 2006-04-05 Richard Guenther <rguenther@suse.de>
1614 PR tree-optimization/26919
1615 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1616 to cgraph_estimate_size_after_inlining.
1618 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1620 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1622 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1624 PR tree-optimization/26996
1625 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1626 VECTOR_TYPE variables.
1628 2006-04-05 Richard Guenther <rguenther@suse.de>
1630 PR tree-optimization/26763
1631 * fold-const.c (fold_comparison): Move folding of
1632 PTR + CST CMP PTR + CST ...
1633 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1635 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1637 * doc/install.texi (Prerequisites): Refine some wording on
1638 bootstrapping and ksh.
1639 Move the version numbers of DejaGnu here from the testing section
1640 and fix casing of names.
1641 Fix markup and clarify wording for autogen requirements.
1642 Refer to GCJ instead of just java.
1643 Refer to SVN instead of CVS.
1644 Describe diffutils as useful instead of necessary.
1645 (Downloading the source): Refer to SVN instead of CVS.
1646 Adjust a link to our web site accordingly.
1647 (Configuration): Fix casing of Bison.
1648 (Building): Refer to SVN instead of CVS.
1649 Fix a sentence on the use of Bison and remove duplicate (and
1650 incorrect) version number of Bison requirement.
1651 Remove one redundant list of packages needed for building.
1652 (Specific): Avoid reference to CVS.
1654 2006-04-04 Eric Christopher <echristo@apple.com>
1656 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1657 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1658 (rs6000_handle_struct_attribute): New.
1659 (rs6000_ms_bitfield_layout_p): Ditto.
1661 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1663 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1664 NULL for dso parameter to atexit_common.
1666 2006-04-04 Eric Christopher <echristo@apple.com>
1668 * config/i386/i386.c (machopic_output_stub): Output \t
1669 between instructions and operands.
1671 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1673 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1674 satisfies_constraint_[IL] to explicit tests on value.
1676 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1678 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1679 set_nb_iterations_in_loop): Use build_int_cst instead of
1681 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1682 build_int_cst instead of convert.
1684 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1686 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1687 new value 2 for incoming.
1688 * function.c (expand_function_start): Call struct_value_rtx
1690 * config/sparc/sparc.md: Comment updated_return.
1691 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1692 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1693 struct return if sparc_std_struct_return and incoming is 2.
1694 (print_operand): Do not adjust return if
1695 sparc_std_struct_return.
1697 2006-04-04 Roger Sayle <roger@eyesopen.com>
1699 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1700 convert in the middle-end.
1701 * expr.c (store_expr, store_constructor, get_inner_reference,
1702 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1704 * tree.c (build_range_type): Likewise.
1706 2006-04-04 Tom Tromey <tromey@redhat.com>
1708 * doc/install.texi (Prerequisites): Mention jar.
1710 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1712 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1715 2006-04-04 Matthias Klose <doko@debian.org>
1717 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1718 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1721 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1723 * doc/extend.texi (Function Attributes): Rewrite visibility
1724 attribute documentation.
1725 * doc/invoke.texi (C++ Dialect Options): Rewrite
1726 -fvisibility-inlines-hidden documentation to describe something
1727 entirely different, although in practise compatible.
1728 (Code Gen Options): Warn about system headers in -fvisibiltity=
1731 * doc/extend.texi (Other Builtins): Document that
1732 __builtin_nan is a compile-time constant only when its argument
1735 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1737 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1738 trying to remove TRUNCATE check if all bits outside the new mode
1739 are identical to the sign bit.
1741 2006-04-03 Jeff Law <law@redhat.com>
1743 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1744 and operand scanning in some common cases.
1746 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1747 Dale Johannesen <dalej@apple.com>
1750 * regclass.c (struct reg_pref): Update documentation.
1751 (regclass): Set prefclass to NO_REGS if memory is the best option.
1752 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1753 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1754 into account. For non-registers, equate an empty preferred
1755 reload class to a `!' in the constraint; move the if clause to
1756 do so after those that reject the insn.
1757 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1759 (find_dummy_reload): Likewise.
1760 * doc/tm.texi (Register Classes): Document what it means
1761 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1762 * config/i386/i386.c (ix86_preferred_reload_class): Force
1763 using SSE registers (and return NO_REGS for floating-point
1764 constants) if math is done with SSE.
1765 (ix86_preferred_output_reload_class): New.
1766 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1767 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1768 * config/i386/i386.md: Remove # register preferences.
1770 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1773 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1774 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1775 the type of nb_iter.
1776 (instantiate_parameters_1): Convert the operands before calling
1777 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1778 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1780 2006-04-02 Roger Sayle <roger@eyesopen.com>
1782 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1783 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1785 * dojump.c (do_jump): Likewise.
1786 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1787 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1788 gimplify_boolean_expr): Likewise.
1789 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1790 * varasm.c (array_size_for_constructor): Likewise.
1791 * tree-object-size.c (compute_object_offset): Likewise.
1793 2006-04-02 Roger Sayle <roger@eyesopen.com>
1796 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1797 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1799 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1801 PR tree-optimization/26939
1802 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1804 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1806 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1807 at_stmt. Convert the type of operands before calling
1808 build_polynomial_chrec.
1809 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1811 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1812 (instantiate_parameters_1): Convert the type of operands before calling
1813 build_polynomial_chrec.
1814 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1815 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1816 reset_evolution_in_loop): Insert asserts to check the types of the
1818 (chrec_type): Moved...
1819 (eq_evolutions_p): Use operand_equal_p.
1820 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1821 the types of the operands.
1822 (chrec_type): ...here.
1823 * tree-data-ref.c (create_data_ref): Convert the operands before
1824 calling chrec_replace_initial_condition.
1825 (same_access_functions, analyze_subscript_affine_affine,
1826 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1827 (compute_subscript_distance, analyze_ziv_subscript,
1828 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1829 analyze_miv_subscript): Convert the operands before calling
1830 chrec_fold_minus or chrec_fold_plus.
1832 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1834 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1835 the dependence_relations vector.
1836 (compute_data_dependences_for_loop): Adjust call to
1837 compute_all_dependences.
1839 2006-04-01 Roger Sayle <roger@eyesopen.com>
1840 Richard Henderson <rth@redhat.com>
1842 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1843 gimple_boolify on the condition before calling gimplify_expr.
1845 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1847 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1848 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1849 the frame size. Update to use the new macros.
1850 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1851 * config/xtensa/ieee754-df.S: Likewise.
1853 2006-03-31 Richard Henderson <rth@redhat.com>
1855 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1856 (make_edges): ... here. Control fallthru creation with a local
1857 variable. Do not play with fake edges.
1858 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1859 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1862 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1864 * dwarf2.h (DW64_CIE_ID): Define.
1865 * dwarf2out.c (DWARF_CIE_ID): Define.
1866 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1867 length header. Use DWARF_CIE_ID.
1868 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1869 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1871 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1873 * config/sh/linux-atomic.asm: New file.
1874 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1876 2006-03-31 DJ Delorie <dj@redhat.com>
1878 * config/m32c/cond.md: Set condition flags properly throughout.
1879 * config/m32c/minmax.md: Likewise.
1880 * config/m32c/prologue.md: Likewise.
1881 * config/m32c/bitops.md: Likewise.
1882 * config/m32c/muldiv.md: Likewise.
1883 * config/m32c/mov.md: Likewise.
1884 * config/m32c/addsub.md: Likewise.
1885 * config/m32c/m32c.md: Likewise.
1886 * config/m32c/jump.md: Likewise.
1887 * config/m32c/shift.md: Likewise.
1889 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1890 conditionally output the pattern for this.
1891 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1892 (m32c_compare_redundant): New.
1893 (m32c_output_compare): New.
1894 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1896 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1897 dest, not src. Allow other 4-byte modes.
1899 2006-03-30 Denis Chertykov <denisc@overta.ru>
1901 * doc/md.texi: Refer to avr/constraints.md instead of
1904 2006-03-30 Roger Sayle <roger@eyesopen.com>
1906 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1907 signed vs. unsigned comparison failures on some hosts.
1909 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1912 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1913 change to FLOAT_REGS.
1915 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1916 (rs6000_override_options): Use it.
1917 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1918 only for -mabi=spe/no-spe and -mabi=altivec.
1920 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1922 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1925 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1927 * Makefile.in: Rename docdir to gcc_docdir.
1929 2006-03-30 Roger Sayle <roger@eyesopen.com>
1932 * expr.c (emit_group_store): Optimize group stores into a pseudo
1933 register by using a paradoxical subreg to initialize the destination
1934 if the first or last member of the group specifies a "low part".
1936 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1939 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1940 * target.h (struct gcc_target.speculate_insn): Change type of the
1941 second parameter to 'int'.
1942 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1943 the second operand of the DEPS_LIST.
1944 (copy_DEPS_LIST_list): Update reference to the second operand of the
1946 * rtl.h (alloc_DEPS_LIST): Update signature.
1947 * sched-int.h (ds_t): Change typedef to 'int'.
1948 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1950 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1952 * haifa-sched.c (try_ready): Change condition to restore
1953 non-speculative pattern of the instruction.
1954 (process_insn_depend_be_in_spec): Code to keep probability of the
1955 speculative dependence non-decreasing.
1957 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1959 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1960 (single_move_for_movmem): ... this. Also change all uses.
1961 (bfin_expand_strmov): Renamed to...
1962 (bfin_expand_movmem): ... this. Also change all uses.
1963 * config/bfin/bfin.md (movstrsi): Renamed to...
1964 (movstrsi): ...this.
1966 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1968 PR tree-optimization/26830
1970 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1971 (copy_prop_visit_stmt): Remove write-only variable ann.
1972 (init_copy_prop): Check variable loop depth here. Do not simulate
1973 memory-tag and virtual operand PHIs except for store copy prop.
1975 2006-03-30 Richard Guenther <rguenther@suse.de>
1977 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1978 variants with double arguments.
1980 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1982 * genpreds.c (write_tm_constrs_h): Delete variable p.
1983 * genconditions.c (write_header): Add tm-constrs.h to included
1985 * genpeep.c (main): Add toplev.h to included headers.
1986 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1987 (build/genpeep.o): Add toplev.h dependency.
1988 * config/rs6000/constraints.md: Add "W" constraint.
1990 2006-03-29 Roger Sayle <roger@eyesopen.com>
1992 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1993 sizes by correctly testing whether the size fits a host integer.
1994 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1995 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1996 SImode range for the default sizetype and bitsizetype.
1998 2006-03-29 Roger Sayle <roger@eyesopen.com>
2000 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2001 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2002 quickly if the argument is already of the correct type.
2003 Call fold_build1 instead of build1. Tidy up blank lines.
2005 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2007 * genemit.c (main): Add tm-constrs.h to included headers.
2008 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2009 * genpeep.c (main): Add tm-constrs.h to included headers.
2010 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2011 (write_tm_constrs_h): this and write complete file.
2012 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2013 (write_insn_preds_c): Add tm-constrs.h to included headers.
2014 (gen_constrs): New variable.
2015 (parse_option): Parse "-c".
2016 (main): Invoke write_tm_constrs_h.
2017 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2018 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2019 (object_out_file): Add tm-constrs.h dependency.
2020 (insn-emit.o): Same.
2021 (insn-output.o): Same.
2022 (insn-peep.o): Same.
2023 (insn-preds.o): Same.
2024 (insn-recog.o): Same.
2025 (tm-constsr.h): New target.
2026 (s-constrs-h): New target.
2028 * config/rs6000/constraints.md: New file.
2029 * config/rs6000/rs6000.c: Include tm-constrs.h.
2030 (num_insn_constant_wide): Convert to satisfies_constraint.
2031 (rs6000_rtx_costs): Convert to satisfies_constraint.
2032 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2033 (CONST_OK_FOR_LETTER_P): Delete.
2034 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2035 (EXTRA_CONSTRAINT): Delete.
2036 (EXTRA_MEMORY_CONSTRAINT): Delete.
2037 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2038 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2039 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2040 satisfies_constraint.
2042 * config/i386/i386.c: Include tm-constrs.h.
2044 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2046 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2047 * tree-data-ref.c (find_data_references_in_loop,
2048 compute_data_dependences_for_loop): Use pointers to VEC.
2049 (analyze_all_data_dependences): Adjust calls.
2050 * tree-data-ref.h (find_data_references_in_loop,
2051 compute_data_dependences_for_loop): Adjust declarations.
2052 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2053 compute_data_dependences_for_loop.
2055 2006-03-29 Paul Brook <paul@codesourcery.com>
2057 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2060 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2062 PR tree-optimization/26859
2063 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2065 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2066 for the step after fold_convert.
2068 2006-03-29 Paul Brook <paul@codesourcery.com>
2070 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2071 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2073 2006-03-29 Paul Brook <paul@codesourcery.com>
2076 * targhooks.c (default_narrow_bitfield): New fuction.
2077 * targhooks.h (default_narrow_bitfield): add prototype.
2078 * target.h (gcc_target): Add narrow_volatile_bitfield.
2079 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2080 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2081 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2082 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2084 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2086 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2088 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2089 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2090 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2091 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2092 (s390_function_arg_float): Allow SDmode and DDmode values to be
2093 passed in floating point registers.
2094 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2095 check with SCALAR_FLOAT_MODE_P.
2096 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2098 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2100 PR tree-optimization/25985
2101 * tree-ssa-loop-niter.c (number_of_iterations_le,
2102 number_of_iterations_ne): Make comments more precise.
2103 (number_of_iterations_cond): Add only_exit argument. Use the
2104 fact that signed variables do not overflow only when only_exit
2106 (loop_only_exit_p): New.
2107 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2108 number_of_iterations_cond.
2110 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2112 PR tree-optimization/26643
2113 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2116 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2118 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2119 (divsi3_i4_int): Likewise.
2121 2006-03-28 Roger Sayle <roger@eyesopen.com>
2123 * expr.c (emit_group_store): Only create a new pseudo reg if the
2124 quantity it needs to hold isn't already a suitable pseudo.
2126 2006-03-28 Jeff Law <law@redhat.com>
2128 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2129 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2131 2006-03-28 Roger Sayle <roger@eyesopen.com>
2133 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2134 the equivalent ~X & Y, and the symmetry related transformations.
2135 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2136 ~X & Y, and symmetry related transforms.
2138 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2140 Revert my 2006-03-27 patches.
2142 2006-03-28 Roger Sayle <roger@eyesopen.com>
2144 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2145 ~(T1)X, when T1 and T2 are integer types of the same precision
2146 and (T2)X isn't an extension.
2148 2006-03-28 Jeff Law <law@redhat.com>
2150 PR tree-optimization/26796
2151 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2152 need EH edge cleanups rather than purging them immediately.
2153 (eliminate_degenerate_phis): Handle queued EH cleanups.
2155 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2157 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2160 2006-03-27 Roger Sayle <roger@eyesopen.com>
2163 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2164 cast BIT_NOT_EXPR operand to the correct type.
2166 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2168 * tree-loop-linear.c: Don't include varray.h.
2169 (gather_interchange_stats, try_interchange_loops,
2170 linear_transform_loops): Use VEC instead of VARRAY.
2171 * lambda-mat.c: Don't include varray.h.
2172 * tree-chrec.c: Same.
2173 * lambda-trans.c: Same.
2174 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2175 VEC instead of VARRAY.
2176 * tree-vectorizer.h: Idem.
2177 * tree-data-ref.c (dump_data_references,
2178 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2179 initialize_data_dependence_relation, finalize_ddr_dependent,
2180 compute_all_dependences, find_data_references_in_loop,
2181 compute_data_dependences_for_loop, analyze_all_data_dependences,
2182 free_dependence_relation, free_dependence_relations,
2183 free_data_refs): Idem.
2184 * tree-data-ref.h (data_reference_p, subscript_p): New.
2185 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2186 VEC instead of VARRAY.
2187 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2188 (find_data_references_in_loop, compute_data_dependences_for_loop,
2189 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2190 dump_data_dependence_relations, free_dependence_relations,
2191 free_data_refs): Adjust declaration.
2192 (lambda_transform_legal_p): Move declaration here...
2193 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2194 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2195 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2196 vect_analyze_data_refs): Use VEC instead of VARRAY.
2197 * lambda.h (lambda_transform_legal_p): ...from here.
2198 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2199 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2200 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2201 tree-chrec.o): Don't depend on VARRAY_H.
2203 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2205 * rtl.def (Copyright): Update date.
2206 (DEPS_LIST): Change type of the second operand to 'int'.
2207 * target.h (Copyright): Update date.
2208 (struct gcc_target.speculate_insn): Change type of the second parameter
2210 * lists.c (Copyright): Update date.
2211 (alloc_DEPS_LIST): Change signature. Update reference to the second
2212 operand of the DEPS_LIST.
2213 (copy_DEPS_LIST_list): Update reference to the second operand of the
2215 * rtl.h (Copyright): Update date.
2216 (alloc_DEPS_LIST): Update signature.
2217 * sched-int.h (Copyright): Update date.
2218 (ds_t): Change typedef to 'int'.
2219 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2221 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2223 * haifa-sched.c (Copyright): Update date.
2224 (try_ready): Change condition to restore non-speculative pattern
2226 (process_insn_depend_be_in_spec): Code to keep probability of the
2227 speculative dependence non-decreasing.
2229 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2231 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2232 shut up the compiler.
2234 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2236 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2237 to use lib prefix for target.
2238 ($(T)libic_invalidate_array_4-200.a): Likewise.
2239 ($(T)libic_invalidate_array_4a.a): Likewise.
2241 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2242 J"orn Rennecke <joern.rennecke@st.com>
2244 * superh.opt: New file.
2245 * sh.c (boardtype, osruntime): Remove.
2246 * superh.h (SUBTARGET_OPTIONS): Remove.
2247 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2249 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2250 arguments with ^ and/or [].
2252 * config.gcc (sh-*-*): Add quoting to account for quirk of
2254 Replace == with = in enable_incomplete_targets test.
2256 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2257 with MASK_LITTLE_ENDIAN.
2259 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2260 * config/sh/sh.opt: Added to some comments.
2261 * config/sh/superh.h: Removed some chaff.
2263 * config/sh/sh.opt: Add m4-[1234]00* options.
2264 * config/sh/sh.c (sh_handle_option): Likewise.
2265 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2266 (ic_invalidate_array_4-100.o): New rule.
2267 ($(T)libic_invalidate_array_4-100.a): Likewise.
2268 (ic_invalidate_array_4-200.o): Likewise.
2269 ($(T)libic_invalidate_array_4-200.a): Likewise.
2270 (ic_invalidate_array_4a.o): Likewise.
2271 ($(T)libic_invalidate_array_4a.a): Likewise.
2272 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2273 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2275 * config/sh/crt1.asm: Merged in profiling code.
2276 * config/sh/superh.h (STARTFILE_SPEC): Override.
2277 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2278 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2279 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2281 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2282 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2283 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2285 * sh.opt (mpretend-cmove): New option.
2286 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2287 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2288 (movsicc): Add TARGET_PRETEND_CMOVE code.
2290 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2292 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2293 s390_class_max_nregs): New function prototypes.
2294 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2295 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2296 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2297 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2299 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2301 * dwarf2out.c (add_location_or_const_value_attribute): Call
2302 tree_add_const_value_attribute if nothing else works.
2303 (reference_to_unused): New.
2304 (rtl_for_decl_init): Use reference_to_unused to decide whether
2305 to output an initializer.
2307 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2310 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2311 peephole removing spe frob_di_df_2.
2313 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2315 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2316 (subscript_dependence_tester_1): Declared.
2317 (print_dir_vectors, print_dist_vectors): New.
2318 (debug_data_dependence_relation): New.
2319 (dump_data_dependence_relation): Print more details.
2320 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2321 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2322 (save_dist_v, save_dir_v, add_outer_distances,
2323 build_classic_dist_vector_1): New.
2324 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2325 Don't test for lambda_vector_lexico_pos.
2326 (same_access_functions, add_multivariate_self_dist,
2327 add_other_self_distances, dir_from_dist): New.
2328 (build_classic_dir_vector): Replace implementation almost identical to
2329 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2331 (subscript_dependence_tester_1): New.
2332 (subscript_dependence_tester): Handle the lexicographically negative
2333 distance vectors by recomputing the dependence relation.
2334 (compute_affine_dependence): Remove parameter loop_nest_depth.
2335 (compute_self_dependence): Don't call compute_subscript_distance.
2336 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2337 Add a parameter for the loop_nest.
2338 (find_loop_nest_1, find_loop_nest): New.
2339 (compute_data_dependences_for_loop): Compute the loop nest, and give
2340 up if the nest is not well formed.
2341 * tree-data-ref.h (loop_p): New.
2342 (struct data_dependence_relation): Replace size_vect field with
2343 loop_nest, a vec of loops.
2344 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2345 (DDR_LOOP_NEST): New.
2346 (print_dir_vectors, print_dist_vectors,
2347 debug_data_dependence_relation): Declared.
2348 (index_in_loop_nest): New.
2349 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2350 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2353 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2355 * simplify-rtx.c (simplify_relational_operation): Call
2356 simplify_relational_operation_1 even if mode is VOIDmode.
2358 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2360 PR tree-optimization/26804
2361 * tree.h (DECL_CALL_CLOBBERED): New macro.
2362 (tree_decl_common): Add call_clobbered_flag.
2363 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2364 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2365 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2366 (mark_non_addressable): Ditto.
2367 * tree-ssa.c (verify_call_clobbered): New function.
2368 (verify_alias_info): Use it.
2369 * tree-pass.h (pass_reset_cc_flags): New prototype.
2370 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2371 (reset_cc_flags): New function.
2372 * passes.c (init_optimization_passes): Call reset_cc_flags after
2373 initializing referenced_vars.
2375 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2376 Roger Sayle <roger@eyesopen.com>
2379 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2380 to 1.0 for non-real operands. Implement A / A optimization for
2383 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2385 * config/i386/i386.c (size_cost): Correct the comment for
2386 cost of storing fp registers.
2387 (i386_cost): Likewise.
2388 (i486_cost): Likewise.
2389 (pentium_cost): Likewise.
2390 (pentiumpro_cost): Likewise.
2391 (k6_cost): Likewise.
2392 (athlon_cost): Likewise.
2393 (k8_cost): Likewise.
2394 (pentium4_cost): Likewise.
2395 (nocona_cost): Likewise.
2396 (generic64_cost): Likewise.
2397 (generic32_cost): Likewise.
2399 2006-03-24 Denis Chertykov <denisc@overta.ru>
2401 * config/avr/avr-protos.h (extra_constraint): Delete.
2402 (extra_constraint_Q): New declaration.
2403 * config/avr/constraints.md: New file.
2404 * config/avr/avr.md: Include it.
2405 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2406 (TMP_REGNO, ZERO_REGNO): Likewise.
2407 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2408 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2409 (extra_constraint): Delete.
2410 (extra_constraint_Q): Test for memory constraint 'Q'.
2411 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2412 (REG_CLASS_FROM_LETTER): Delete.
2413 (CONST_OK_FOR_LETTER_P): Delete.
2414 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2415 (EXTRA_CONSTRAINT): Delete.
2416 (TMP_REGNO): Delete.
2417 (ZERO_REGNO): Delete.
2419 2006-03-24 Jeff Law <law@redhat.com>
2421 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2422 directly. Call mark_new_vars_to_rename slightly earlier.
2424 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2426 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2428 (gen_compile_unit_die): Use new language types for Objective-C and
2430 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2431 DW_LANG_C_plus_plus.
2434 * config/t-darwin (crt3.o): Work around bug 26840.
2435 * config/darwin-crt3.c: Rewrite.
2436 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2438 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2440 * doc/invoke.texi: Document -femit-class-debug-always
2441 * common.opt: Add -femit-class-debug-always.
2443 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2445 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2446 index and base register.
2447 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2448 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2449 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2450 REGNO_OK_FOR_INDEX_P.
2451 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2453 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2454 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2455 REG_OK_FOR_BASE_P): Definitions removed.
2457 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2460 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2461 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2462 set yet or weren't marked as local yet.
2464 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2466 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2469 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2471 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2472 (rs6000_legitimate_small_data_p): Delete.
2473 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2474 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2475 and make static. Add forward declaration. Update uses.
2476 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2477 of offsettable_memref_p.
2478 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2479 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2481 2006-03-24 Jeff Law <law@redhat.com>
2483 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2484 around bug in immediate-use iterator.
2486 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2489 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2490 or __LITTLE_ENDIAN__.
2492 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2494 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2495 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2496 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2497 * config/sh/sh.opt (mdiv=): Amend description.
2498 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2499 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2500 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2501 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2502 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2503 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2504 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2505 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2506 TARGET_DIVIDE_CALL_FP.
2508 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2510 * haifa-sched.c (choose_ready): Fix type of the local variable.
2511 Move local variables. Add comment.
2512 (check_reg_live): Change signature. Make callable from debugger.
2513 * sched-int.h (check_reg_live): Update signature.
2514 * sched-ebb.c (check_reg_live): Update parameters.
2515 * sched-rgn.c (check_reg_live): Ditto.
2516 (region_head_or_leaf_p): Check pointer before dereferencing.
2517 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2518 before reload on optimization levels below 1.
2520 2006-03-23 Richard Henderson <rth@redhat.com>
2522 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2526 * config/alpha/predicates.md (local_symbolic_operand): Reject
2529 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2532 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2533 expressions which have overflowed constants.
2535 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2537 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2539 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2541 * cfgloopmanip.c (create_loop_notes): Removed.
2542 * final.c (final_scan_insn): Do not handle loop notes.
2543 * jump.c (squeeze_notes): Ditto.
2544 * cfglayout.c (skip_insns_after_block,
2545 duplicate_insn_chain): Ditto.
2546 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2548 * cfgloop.h (create_loop_notes): Declaration removed.
2550 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2552 * varasm.c (output_constant_pool): Restore fnname and fndecl
2554 (assemble_start_function): Adjust call accordingly.
2555 (assemble_end_function): Likewise.
2557 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2560 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2563 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2565 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2568 * system.h (ICE_EXIT_CODE): New macro.
2569 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2570 (diagnostic_action_after_output): Likewise.
2571 * gcc.c (fatal_ice): New function.
2572 (execute): Use it instead of fatal.
2573 (fancy_abort): Likewise.
2574 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2576 2006-03-22 Jeff Law <law@redhat.com>
2578 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2579 iv_analyze_result returning false.
2581 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2583 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2585 2006-03-22 Richard Henderson <rth@redhat.com>
2588 * except.c (duplicate_eh_regions_0): New.
2589 (duplicate_eh_region_1): Duplicate the children of the node as
2590 well as the node itself. Link them up properly.
2591 (duplicate_eh_region_2): Merge into ...
2592 (duplicate_eh_regions): ... here. Take copy_region argument, and
2593 copy only a sub-tree if asked. Simplify copying and fixup.
2594 (eh_region_outer_p): New.
2595 * except.h (duplicate_eh_regions): Update decl.
2596 (eh_region_outer_p): Declare.
2597 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2598 (lower_omp_master): Likewise.
2599 (lower_omp_ordered): Likewise.
2600 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2601 (move_stmt_r): Use it to remap labels. Handle recursion vs
2602 remap_decls_p properly.
2603 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2604 (find_outermost_region_in_block): New.
2605 (new_label_mapper): New.
2606 (move_sese_region_to_fn): Copy eh information to the new function
2608 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2610 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2613 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2615 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2616 into shared libraries.
2618 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2620 * doc/md.texi: Refer to i386/constraints.md instead of
2622 * config/i386/constraints.md: New file, extracted from...
2623 * config/i386/predicates.md: ...here.
2624 * config/i386/i386.md: Include constraints.md.
2626 2006-03-21 Jason Merrill <jason@redhat.com>
2628 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2631 * expr.c (init_block_move_fn): Force default visibility.
2632 (init_block_clear_fn): Likewise.
2633 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2634 * targhooks.c (default_external_stack_protect_fail): Likewise.
2636 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2638 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2639 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2640 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2641 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2642 (loadgp): Use mips_current_loadgp_style.
2643 (loadgp_noshared): New pattern.
2644 (sibcall_internal): Use MIPS_CALL.
2645 (sibcall_value_internal): Likewise.
2646 (sibcall_value_multiple_internal): Likewise.
2647 (call_internal): Likewise.
2648 (call_value_internal): Likewise.
2649 (call_value_multiple_internal): Likewise.
2650 (call_split): Use MIPS_CALL and add an 'S' constraint.
2651 (call_value_split): Likewise.
2652 (call_value_multiple_split): Likewise.
2653 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2654 (-mshared): New option.
2655 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2656 (mips_current_loadgp_style): Declare.
2657 * config/mips/mips.c (mips_classify_symbol): Avoid using
2658 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2659 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2660 TARGET_ABSOLUTE_ABICALLS.
2661 (override_options): Adjust comments. Improve the warning that is
2662 issued when -mabicalls and -G are used together.
2663 (mips_file_start): Remove comment.
2664 (mips_current_loadgp_style): New function.
2665 (mips_gnu_local_gp): New variable.
2666 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2668 (mips_output_function_prologue): Use mips_current_laodgp_style.
2669 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2670 the cprestore instruction.
2671 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2672 live for TARGET_ABSOLUTE_ABICALLS.
2673 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2674 (ASM_SPEC): Pass down -mshared and -mno-shared.
2675 (MIPS_CALL): New macro.
2676 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2678 * doc/invoke.texi (-mabicalls): Update documentation.
2679 (-mshared): Document.
2681 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2683 * config/ia64/unwind-hpux.c: New file.
2684 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2686 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2689 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2691 2006-03-21 Jeff Law <law@redhat.com>
2693 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2694 type conversions of a VR_VARYING source to a wider type.
2696 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2698 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2699 tm_file on Solaris 10 and later.
2700 (sparc64-*-solaris2*): Likewise.
2701 (sparc-*-solaris2*): Likewise.
2702 * config/sol26.h: Rename to config/sol2-6.h.
2703 * config/sol2-10.h: New file.
2705 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2708 * tree-ssa-pre.c (create_component_ref_by_pieces):
2711 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2714 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2715 return it immediately.
2717 2006-03-21 Michael Matz <matz@suse.de>
2719 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2721 (remove_arc, add_arc): Update num_out_arcs member.
2722 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2724 (cache_presence): New function.
2725 (compare_states_for_equiv): New function.
2726 (state_is_differed): Don't take number of outargs, adjust callers.
2727 Use new invariant for speeding up.
2728 (init_equiv_class): Create initial classes based on sorted
2730 (partition_equiv_class): Don't track out_arcs_num.
2731 (evaluate_equiv_classes): Call cache_presence on all states and
2734 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2736 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2737 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2738 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2739 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2741 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2742 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2743 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2744 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2745 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2747 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2748 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2749 (REGNO_REG_CLASS): ARGP is in PREGS.
2750 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2752 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2753 to deal with those addresses.
2754 * addresses.h: New file.
2755 * caller-save.c: Include "addresses.h".
2756 (init_caller_save): Use new base_reg_class function.
2757 * rtl-factoring.c: Include "addresses.h".
2758 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2759 * recog.c: Include "addresses.h".
2760 (preprocess_constraints): Use new base_reg_class function.
2761 * regrename.c: Include "addresses.h".
2762 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2763 functions. Keep track of a new var INDEX_CODE to compute valid
2765 (replace_oldest_value_addr): Likewise.
2766 (replace_oldest_value_mem): Use base_reg_class.
2767 * reload.c: Include "addresses.h".
2768 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2769 (find_reloads): Use new base_reg_class function.
2770 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2771 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2772 all callers and prototype changed.
2773 * reload1.c: Include "addresses.h".
2774 (maybe_fix_stack_asms): Use base_reg_class.
2775 * regclass.c: Include "addresses.h".
2776 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2777 (init_reg_autoinc): Use new base_reg_class function.
2778 (record_reg_classes): Likewise.
2779 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2780 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2781 Use new args to compute necessary class.
2783 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2784 regrename.o, rtl-factoring.o): Update dependencies.
2785 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2786 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2787 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2788 REG_OK_FOR_INDEX_P): Delete documentation.
2790 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2792 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2793 from V7 to V9 for Solaris 7 and above.
2795 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2797 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2798 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2799 argument pointers may not alias any other storage.
2800 * common.opt: Define option -fargument-noalias-anything.
2801 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2802 alias semantics is specified by flag_argument_noalias > 2.
2804 2006-03-20 Jeff Law <law@redhat.com>
2806 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2807 (pass_phi_only_cprop): Declare.
2808 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2810 * tree-ssa-dom.c (degenerate_phi_result): New function.
2811 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2812 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2813 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2814 (eliminate_degenerate_phis): Likewise.
2815 (pass_phi_only_cprop): New pass descriptor.
2816 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2817 support code. Callers updated.
2818 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2819 (store_copy_prop): Likewise.
2820 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2822 2006-03-20 Jason Merrill <jason@redhat.com>
2825 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2826 (push_visibility, pop_visibility): Likewise.
2827 * c-pragma.h: Declare them.
2829 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2831 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2833 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2834 parameter and use get_ebb_head_tail.
2835 (sh_md_init_global): Adjust uses of find_regmode_weight.
2837 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2839 * function.h (struct function) <x_tail_recursion_reentry>:
2840 Rename to x_stack_check_probe_note.
2841 (tail_recursion_reentry): Rename to stack_check_probe_note.
2842 * function.c: Replace tail_recursion_reentry with
2843 stack_check_probe_note everywhere.
2844 (expand_function_start): Only emit a note for
2845 stack_check_probe_note with -fstack-protect.
2846 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2848 * emit-rtl.c (remove_unnecessary_notes): Remove.
2849 (pass_remove_unnecessary_notes): Remove.
2850 * rtl.h (remove_unnecessary_notes): Remove prototype.
2851 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2852 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2853 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2855 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2858 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2859 (valid_in_set): Handle ARRAY_REF.
2860 Change "if min_variant or VH" to asserts.
2861 (create_component_ref_by_pieces): Handle ARRAY_REF.
2862 (create_expression_by_pieces): Likewise.
2863 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2865 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2867 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2868 is operand of switch, not str[0].
2870 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2872 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2873 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2875 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2877 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2878 end of insn_extra_address_constraint declaration.
2880 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2882 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2883 (no-sum-in-toc): Same.
2884 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2886 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2887 NO_FP_IN_TOC for -fPIC instead of mask.
2889 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2890 (BOOT_LDFLAGS): Delete.
2892 * config/rs6000/t-aix52: Same.
2894 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2895 (stmsi[345678]_power): New.
2897 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2899 * config/ia64/ia64.opt: Add empty line to end of file.
2901 2006-03-17 Richard Guenther <rguenther@suse.de>
2904 * builtins.c (get_pointer_alignment): For component style references
2905 adjust alignment to the component type alignment. Make sure
2906 to adjust alignment for component access of constants.
2908 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2910 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2913 2006-03-17 Paul Brook <paul@codesourcery.com>
2915 * doc/install.texi: Docuemnt --with-mode.
2916 * config.gcc: Add --with-mode for arm*-*-*.
2917 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2919 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2921 * sh.c (max_labelno_before_reorg): New variable.
2922 (sh_reorg): Initialize it.
2923 (find_barrier): Check max_labelno_before_reorg before using
2924 label_to_alignment. Take length of explicit alignment insns
2925 into account. When seeing a UNSPECV_CONST_END, return it.
2927 * sh.c (fixup_mova): Set mode of affected label to QImode.
2928 (untangle_mova): New function.
2929 (find_barrier): Use it. Check mode of label before decrementing
2931 (sh_reorg): Likewise.
2932 Set mode of all insns back to VOIDmode.
2934 * sh.c (MOVA_LABELREF): New macro.
2935 (mova_p, fixup_mova, sh_reorg): Use it.
2936 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2937 ADDR_DIFF_VEC matches mova.
2939 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2941 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2942 with ATTRIBUTE_UNUSED.
2944 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2946 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2947 pointer, instead of assuming it is possible to derive the
2948 correct args size from a call insn.
2950 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2952 * rtl.h (CONST_INT_P): Define.
2953 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2954 instead of GET_CODE(x) == CONST_INT.
2955 (vax_rtx_costs): Likewise.
2956 (vax_output_int_move): Likewise.
2957 (vax_output_int_add): Likewise.
2958 (legitimate_constant_address_p): Likewise.
2959 (index_term_p): Likewise.
2960 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2961 * config/vax/vax.md (and<mode>3): Likewise.
2962 (ashrsi3): Likewise.
2964 (movstricthi): Likewise.
2965 (movstrictqi): Likewise.
2966 (rotrsi3): Likewise.
2967 (five unnamed insns): Likewise.
2969 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2971 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2972 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2973 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2974 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2975 Pass to ASM_OUTPUT_DWARF_OFFSET.
2976 * dwarf2out.c (debug_frame_section): New.
2977 (output_call_frame_info): Use debug_frame_section. Pass it to
2978 dw2_asm_output_offset.
2979 (output_die): Pass appropriate section to dw2_asm_output_offset.
2980 (output_compilation_unit_header): Likewise.
2981 (output_pubnames): Likewise.
2982 (output_aranges): Likewise.
2983 (enum dw_val_class): Break dw_val_class_lbl_offset into
2984 dw_val_class_lineptr and dw_val_class_macptr.
2985 (add_AT_lbl_offset): Delete.
2986 (add_AT_lineptr): New.
2987 (add_AT_macptr): New.
2988 (AT_lbl): Expect a lineptr or macptr.
2989 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2990 (attr_checksum): Likewise.
2991 (same_dw_val_p): Likewise.
2992 (size_of_die): Likewise.
2993 (value_format): Likewise.
2994 (output_die): Likewise.
2995 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2997 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2998 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2999 * config/darwin-protos.h (darwin_file_start): New.
3000 (darwin_asm_output_dwarf_offset): New.
3001 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3002 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3004 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3005 if not EH section; simplify.
3006 (darwin_file_start): New.
3007 (darwin_asm_output_dwarf_offset): New.
3008 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3010 (DEBUG_INFO_SECTION): Likewise.
3011 (DEBUG_ABBREV_SECTION): Likewise.
3012 (DEBUG_ARANGES_SECTION): Likewise.
3013 (DEBUG_MACINFO_SECTION): Likewise.
3014 (DEBUG_LINE_SECTION): Likewise.
3015 (DEBUG_LOC_SECTION): Likewise.
3016 (DEBUG_PUBNAMES_SECTION): Likewise.
3017 (DEBUG_STR_SECTION): Likewise.
3018 (DEBUG_RANGES_SECTION): Likewise.
3019 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3020 (ASM_OUTPUT_DWARF_OFFSET): New.
3022 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3024 * config.gcc (tm_defines): Always add to previous value rather
3027 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3029 * config/mips/predicates.md (splittable_const_int_operand): New,
3030 split from move_operand.
3031 (splittable_symbolic_operand): New.
3032 (move_operand): Add commentary. Use splittable_const_int_operand.
3033 Inline mips_atomic_symbolic_constant_p.
3034 * config/mips/mips.md: Add combine splitters for handling moves
3035 of splittable_const_int_operands and splittable_symbolic_operands.
3036 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3037 (mips_split_symbol): Declare.
3038 (mips_move_integer): Declare.
3039 * config/mips/mips.c (mips_split_p): Make global.
3040 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3041 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3042 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3043 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3044 (mips_offset_within_object_p): Handle block symbols.
3045 (mips_atomic_symbolic_constant_p): Delete.
3046 (mips_cannot_force_const_mem): Return false for constants that
3047 mips_legitimize_move can handle.
3048 (mips_use_blocks_for_constant_p): New function.
3049 (mips_split_symbol): Make global.
3050 (mips_move_integer): Likewise. Add a temporary register argument.
3051 (mips_legitimize_const_move): Use splittable_const_int_operand and
3052 splittable_symbolic_operand.
3053 (mips_use_anchors_for_symbol_p): New function.
3054 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3055 (mips_split_p): Declare.
3057 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3059 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3060 (mips*-*-linux*): Likewise.
3062 2006-03-16 Roger Sayle <roger@eyesopen.com>
3063 Daniel Speyer <dspeyer@wam.umd.edu>
3066 * tree-dump.c (dump_real): New function.
3067 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3068 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3069 (tree-dump.o): Add $(REAL_H) to the dependencies.
3071 2006-03-16 Roger Sayle <roger@eyesopen.com>
3074 * real.c (real_from_string): If the mantissa is zero, don't bother
3075 parsing the exponent as the result should always be zero.
3077 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3079 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3081 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3083 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3084 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3085 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3086 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3087 ia64_sched_finish_global): New static functions to implement
3088 hooks from gcc_target.sched.
3089 (spec_check_no, max_uid, pending_data_specs): New static variables.
3090 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3091 ia64_spec_check_src_p): New static functions.
3092 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3093 (TARGET_SCHED_ADJUST_COST): Removed.
3094 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3095 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3096 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3097 TARGET_SCHED_GEN_CHECK,
3098 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3099 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3100 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3101 Fixed to handle speculation checks.
3102 (rtx_needs_barrier): Fixed to handle speculative loads and
3104 (ia64_variable_issue): Added code to count speculative loads and their
3106 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3108 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3110 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3112 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3113 (ia64_reorg): Reset stops_p to NULL after it is freed.
3114 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3115 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3116 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3118 (data_speculative, control_speculative, check_load): New attributes.
3119 (mov<mode>_advanced, mov<mode>_speculative,
3120 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3121 zero_extend<mode>di2_speculative,
3122 zero_extend<mode>di2_speculative_advanced): New patterns for
3123 data and control speculative loads.
3124 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3126 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3127 New pattern for data and control speculation checks.
3128 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3129 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3130 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3131 Auxiliary definitions for the patterns.
3132 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3133 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3135 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3137 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3138 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3139 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3140 New resource constraints.
3141 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3143 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3144 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3145 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3146 msched-in-control-spec, msched-ldc, msched-control-ldc,
3147 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3148 msched-prefer-non-control-spec-insns,
3149 msched-count-spec-in-critical-path): New flags to tune speculative
3151 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3152 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3153 msched-in-control-spec, msched-ldc, msched-control-ldc,
3154 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3155 msched-prefer-non-control-spec-insns,
3156 msched-count-spec-in-critical-path): Document new flags.
3158 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3160 * target.h (struct spec_info_def): New opaque declaration.
3161 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3162 speculate_insn, needs_block_p, gen_check,
3163 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3164 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3165 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3166 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3167 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3168 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3170 (TARGET_SCHED): Use new macros.
3171 * rtl.h (copy_DEPS_LIST_list): New prototype.
3172 * sched-int.h (struct sched_info): Change signature of new_ready field,
3173 adjust all initializations. New fields: add_remove_insn,
3174 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3175 region_head_or_leaf_p.
3176 (struct spec_info_def): New structure declaration.
3177 (spec_info_t): New typedef.
3178 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3179 recovery_block, orig_pat.
3180 (glat_start, glat_end): New variables declaraions.
3181 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3183 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3184 DETACH_LIFE_INFO, USE_GLAT.
3185 (enum SPEC_SCHED_FLAGS): New enumeration.
3186 (NOTE_NOTE_BB_P): New macro.
3187 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3188 attach_life_info, debug_spec_status, check_reg_live): New functions.
3189 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3190 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3192 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3193 * ddg.c (get_block_head_tail): Adjust all uses.
3194 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3195 (sms_sched_info): Initialize new fields.
3196 (contributes_to_priority): Removed.
3197 * haifa-sched.c (params.h): New include.
3198 (get_block_head_tail): Adjust all uses.
3199 (ISSUE_POINTS): New macro.
3200 (glat_start, glat_end): New global variables.
3201 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3202 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3203 old_last_basic_block, before_recovery, current_sched_info_var,
3204 rgn_n_insns, luid): New static variables.
3205 (insn_cost1): New function. Move logic from insn_cost to here.
3206 (find_insn_reg_weight1): New function. Move logic from
3207 find_insn_reg_weight to here.
3208 (reemit_notes, move_insn, max_issue): Change signature.
3209 (move_insn1): Removed.
3210 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3211 extend_bb): New static functions to support extension of scheduler's
3213 (generate_recovery_code, process_insn_depend_be_in_spec,
3214 begin_speculative_block, add_to_speculative_block,
3215 init_before_recovery, create_recovery_block, create_check_block_twin,
3216 fix_recovery_deps): New static functions to support
3217 generation of recovery code.
3218 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3219 restore_bb_notes, move_block_after_check, move_succs): New static
3220 functions to support ebb scheduling.
3221 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3222 functions to support handling of register live information.
3223 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3224 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3225 add_jump_dependencies): New static functions.
3226 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3227 consistancy checking.
3228 (debug_spec_status): New function to call from debugger.
3229 (priority): Added code to handle speculation checks.
3230 (rank_for_schedule): Added code to distinguish speculative instructions.
3231 (schedule_insn): Added code to handle speculation checks.
3232 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3233 Fixed to handle ebbs.
3234 (move_insn): Added code to handle ebb scheduling.
3235 (max_issue): Added code to use ISSUE_POINTS of instructions.
3236 (choose_ready): Added code to choose between speculative and
3237 non-speculative instructions.
3238 (schedule_block): Added code to handle ebb scheduling and scheduling of
3239 speculative instructions.
3240 (sched_init): Initialize new variables.
3241 (sched_finish): Free new variables. Print statistics.
3242 (try_ready): Added code to handle speculative instructions.
3243 * lists.c (copy_DEPS_LIST_list): New function.
3244 * sched-deps.c (extend_dependency_caches): New function. Move logic
3245 from create_dependency_caches to here.
3246 (get_dep_weak, ds_merge): Make global.
3247 * genattr.c (main): Code to output prototype for
3248 dfa_clear_single_insn_cache.
3249 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3250 (output_dfa_clean_insn_cache_func): Code to output
3251 dfa_clear_single_insn_cache function.
3252 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3254 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3256 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3257 New static variables.
3258 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3259 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3261 (ebb_sched_info): Initialize new fields.
3262 (get_block_head_tail): Adjust all uses.
3263 (compute_jump_reg_dependencies): Fixed to use glat_start.
3264 (schedule_ebb): Code to remove unreachable last block.
3265 (schedule_ebbs): Added code to update register live information.
3266 * sched-rgn.c (region_sched_info): Initialize new fields.
3267 (get_block_head_tail): Adjust all uses.
3268 (last_was_jump): Removed. Adjust users.
3269 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3270 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3271 Implement new hooks.
3272 (check_dead_notes1): New static function.
3273 (struct region): New fields: dont_calc_deps, has_real_ebb.
3274 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3275 (BB_TO_BLOCK): Fixed to handle EBBs.
3276 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3277 (ebb_head): New static variable.
3278 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3279 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3281 (compute_dom_prob_ps): New assertion.
3282 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3283 global_live_at_start.
3284 (init_ready_list): New assertions.
3285 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3286 (new_ready): Add support for BEGIN_CONTROL speculation.
3287 (schedule_insns): Fixed code that updates register live information
3289 (schedule_region): Fixed to handle EBBs.
3290 (init_regions): Use extend_regions and check_dead_notes1.
3291 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3292 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3293 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3294 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3295 TARGET_SCHED_GEN_CHECK,
3296 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3297 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3298 * doc/invoke.texi (max-sched-insn-conflict-delay,
3299 sched-spec-prob-cutoff): Document.
3301 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3303 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3304 inter_tick, queue_index.
3305 (struct sched_info): Change signature of init_ready_list field.
3306 Adjust all initializations.
3307 (RESOLVED_DEPS): New access macro.
3308 (ready_add): Remove prototype.
3309 (try_ready): Add prototype.
3310 * sched-rgn.c (init_ready_list): Use try_ready.
3311 (schedule_region): Initialize
3312 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3313 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3314 (init_ready_list): Use try_ready.
3315 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3316 * lists.c (remove_list_elem): Remove `static'.
3317 (remove_free_INSN_LIST_elem): New function.
3318 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3319 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3320 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3322 (readyp): New variable.
3323 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3324 change_queue_index, resolve_dep): New static functions.
3325 (try_ready): New function. Adjust callers in sched-rgn.c and
3326 sched-ebb.c to use it instead of ready_add.
3327 (clock_var): Move at the begining of file.
3328 (rank_for_schedule): Fix typo.
3329 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3330 (ready_lastpos): Enforce assertion.
3331 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3333 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3334 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3335 (queue_to_ready): Use free_INSN_LIST_list.
3336 (early_queue_to_ready): Fix typo.
3337 (schedule_block): Init readyp. Move init_ready_list call after the
3338 initialization of clock_var. Fix error in rejecting insn by
3339 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3340 that previously corrected INSN_TICKs. Add code for handling
3342 (set_priorities): Fix typo.
3343 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3344 Clarify comment and code that keeps current_sched_info->next_tail
3347 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3349 * sched-rgn.c (extend_rgns): New static function.
3350 (find_rgns): Use it.
3351 (gather_region_statistics, print_region_statistics): New static
3353 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3354 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3356 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3357 Andrey Belevantsev <abel@ispras.ru>
3359 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3360 * lists.c (unused_deps_list): New variable.
3361 (free_list): Add assertions to verify the proper distinguishing
3362 between INSN_LISTs and DEPS_LISTs.
3363 (find_list_elem, remove_list_elem, remove_list_node): New static
3365 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3366 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3367 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3368 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3370 (free_INSN_LIST_node): Likewise.
3371 * modulo-sched.c (current_sched_info): Initialize flags field.
3372 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3373 * rtl.def (DEPS_LIST): Define.
3374 * rtl.h: Declare new functions from lists.c.
3375 * sched-deps.c (spec_dependency_cache): New static variable.
3376 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3377 (add_dependence): Change return type to void. Move the logic to ...
3378 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3379 (delete_all_dependences): Add comment about forward_dependency_cache.
3380 Handle spec_dependency_cache. Handle DEPS_LISTs.
3381 (fixup_sched_groups): Clarify the change of priority of output
3382 and anti dependencies.
3383 (sched_analyze_2): Adjust add_dependence calls to create data
3384 speculative dependence.
3385 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3386 Adjust all callers. Handle DEPS_LISTS.
3387 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3388 presence of speculation.
3389 (init_dependency_caches, free_dependency_caches):
3390 Handle spec_dependency_cache.
3391 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3392 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3393 New static functions.
3394 (add_or_update_back_dep, add_or_update_back_forw_dep,
3395 add_back_forw_dep, delete_back_forw_dep): New functions.
3396 * sched-int.h (ds_t, dw_t): New typedefs.
3397 (struct sched_info): Add new field flags.
3398 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3399 Prototype new sched-deps.c functions.
3400 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3401 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3402 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3403 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3404 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3405 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3407 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3409 * sched-rgn.c (current_sched_info): Initialize flags field.
3410 (schedule_insns): Initialize current_sched_info before the sched_init
3412 * sched-ebb.c (current_sched_info): Initialize flags field.
3413 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3414 Call add_or_update_back_dep instead of add_dependence.
3415 Create control speculative dependencies.
3416 (schedule_insns): Initialize current_sched_info before the sched_init
3419 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3421 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3423 (sh_fallback_frame_state): Likewise.
3425 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3427 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3428 Do switch on default_use_cxa_atexit.
3429 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3430 * config/darwin-crt3.o: New.
3431 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3432 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3433 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3435 * config/rs6000/t-darwin: Move crt2.o building to here.
3436 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3437 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3440 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3442 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3443 from '! xxx' to '!xxx' for coding-style conformance.
3444 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3445 (EXTRA_CONSTRAINT): Likewise.
3446 * config/vax/vax.md (four unnamed insns): Likewise.
3448 2006-03-15 Paul Brook <paul@codesourcery.com>
3450 * config/arm/arm.c (minipool_pad): New.
3451 (add_minipool_forward_ref): Include pool alignment padding in address
3453 (push_minipool_fix): Set minipool_pad.
3454 (minipool_pad): Ditto.
3456 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3458 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3459 instead of GET_CODE() == MEM and REG_P() instead of
3461 (print_operand_address): Likewise.
3462 (vax_address_cost): Likewise.
3463 (vax_rtx_costs): Likewise.
3464 (vax_notice_update_cc): Likewise.
3465 (vax_output_int_add): Likewise.
3466 (INDEX_REGISTER_P): Likewise.
3467 (BASE_REGISTER_P): Likewise.
3468 (nonindexed_address_p): Likewise.
3469 (vax_mode_dependent_address_p): Likewise.
3470 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3471 (PRINT_OPERAND): Likewise.
3472 * config/vax/vax.md (ashlsi3): Likewise.
3473 (ashlsi3): Likewise.
3474 (some more unnamed insns): Likewise.
3476 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3478 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3479 iterator-style macro.
3480 (mark_control_dependent_edges_necessary): Update the use of
3481 EXECUTE_IF_CONTROL_DEPENDENT.
3483 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3485 * config/sh/predicates.md (cache_address_operand): Special.
3486 (ua_address_operand): Likewise.
3488 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3490 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3492 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3494 2006-03-15 Andreas Schwab <schwab@suse.de>
3496 * gensupport.c (identify_predicable_attribute): Don't free p_false
3497 when it is still in use.
3499 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3501 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3502 the default setting here.
3504 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3506 * tree-pass.h (pass_cfg): Remove.
3507 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3508 * passes.c (pass_cfg): Don't run it.
3510 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3512 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3513 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3515 (stack_regs_mentioned): Update the uses of
3516 stack_regs_mentioned_data. Don't access the array beyond its
3518 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3519 Don't include gt-reg-stack.h.
3521 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3522 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3524 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3527 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3530 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3532 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3534 2006-03-14 Richard Guenther <rguenther@suse.de>
3536 PR tree-optimization/26672
3537 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3540 2006-03-14 Richard Guenther <rguenther@suse.de>
3542 PR tree-optimization/26667
3543 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3544 node for the callees. Always allow inlining if it will shrink
3547 2006-03-14 Richard Guenther <rguenther@suse.de>
3550 * builtins.c (get_pointer_alignment): Prefer alignment
3551 information from decls over that from types.
3553 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3556 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3558 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3560 * config/rs6000/rs6000.opt (mdlmzb): New option.
3561 (msched-prolog, msched-epilog): Use Var not Mask.
3562 * doc/invoke.texi (-mdlmzb): Document.
3563 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3565 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3566 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3568 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3570 PR rtl-optimization/25739
3571 * bt-load.c (augment_live_range): Free tos pointer.
3573 * gensupport.c (identify_predicable_attribute): Free
3575 * gcov.c (create_file_names): Free name pointer.
3577 2006-03-13 Roger Sayle <roger@eyesopen.com>
3580 * stmt.c (emit_case_nodes): Handle the case where the index is a
3581 CONST_INT, where the comparison mode is specified by the index type.
3583 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3585 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3588 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3590 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3591 (*branch_fp_inverted): Likewise.
3593 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3596 * omp-low.c (expand_omp_for_generic): Mark istart0
3597 and iend0 as addressable.
3599 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3601 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3603 2006-03-13 Jeff Law <law@redhat.com>
3605 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3606 virtual operands are interesting.
3607 (vrp_visit_stmt): Corresponding changes.
3609 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3611 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3613 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3614 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3615 * config/bfin/crti.S: Use it instead of __PIC__.
3616 * config/bfin/crtn.S: Likewise.
3618 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3619 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3621 Lose 'G' modifier for call operand.
3622 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3623 recognize 'G' modifier.
3625 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3628 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3629 * stmt.c (expand_case): Likewise.
3631 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3633 PR rtl-optimization/26254
3634 * loop-invariant.c (seq_insns_valid_p): New function.
3635 (move_invariant_reg): Only emit new code if it is valid.
3637 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3639 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3641 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3642 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3643 (commit_one_edge_insertion): Do not look for loop notes.
3645 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3647 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3648 flag_test_coverage out of loop.
3650 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3652 * final.c (shorten_branches): Remove outdated comment, and turn
3653 the if branch that guards it to continue.
3655 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3657 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3658 * cfgloop.h (struct loop): Remove unused fields.
3660 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3662 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3663 (-dL, -fdump-rtl-loop2): Update the dump file names
3665 * doc/invoke.texi: Update dump file names.
3667 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3669 * predict.c (estimate_probability): Remove.
3670 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3671 * basic-block.h (estimate_probability): Remove prototype.
3672 * passes.c (finish_optimization_passes): Dump branch prediction or
3673 profiling heuristics to the .profile tree dump.
3674 (init_optimization_passes): Unqueue pass_branch_prob.
3676 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3678 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3680 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3681 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3683 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3685 * function.h (frame_offset_overflow): Declare.
3686 * function.c (frame_offset_overflow): New function.
3687 (assign_stack_local_1): Call it to detect that the offset overflows.
3688 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3690 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3692 * config/sh/sh.c: Include alloc-pool.h.
3693 (label_ref_list_pool): New alloc pool.
3694 (label_ref_list_t): New type for lists of labels.
3695 (struct pool_node): Make wend a label_ref_list_t.
3696 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3698 (dump_table): Likewise.
3699 (sh_reorg): Set up the alloc pool before using add_constant and
3700 dump_table, and destroy it when finishing.
3702 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3704 * config/mips/mips.c: Remove redundant comment.
3706 2006-03-10 Jason Merrill <jason@redhat.com>
3709 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3710 the target was declared 'register'.
3712 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3714 * genpreds.c (write_insn_constraint_len): Change definition of
3715 insn_constraint_len to return size_t to match the declaration.
3717 2006-03-10 DJ Delorie <dj@redhat.com>
3719 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3721 (m32c_expand_insv): Fix test for an AND mask.
3723 2006-03-10 Richard Guenther <rguenther@suse.de>
3726 * builtins.c (get_pointer_alignment): Handle component
3727 references for field alignment.
3729 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3731 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3732 when building with libgloss.
3733 (sh*elf): Implement --without-fp option.
3734 (sh64-superh-linux*): Don't multilib.
3736 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3738 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3740 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3742 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3743 Set it when one of the replacement functions returned true.
3744 Return TODO_cleanup_cfg if cfgchanged is true.
3745 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3747 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3749 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3750 instead of gen_lowpart.
3752 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3754 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3756 (mips_output_order_conditional_branch): Declare.
3757 * config/mips/mips.h (MIPS_BRANCH): New macro.
3758 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3759 for the comparison. Use gen_condjump.
3760 (mips_output_conditional_branch): Rework interface to take the
3761 asm templates for a direct branch and the inverse of a direct branch.
3762 (mips_output_order_conditional_branch): New function.
3763 (mips_builtin_branch_and_move): New function.
3764 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3765 branch condition. Use gen_single_cc as the condition for
3766 __builtin_mips_upper_* or __builtin_mips_lower_*.
3767 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3768 Use VOIDmode for the branch condition.
3769 * config/mips/predicates.md (order_operator): New predicate.
3770 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3771 (branch_fp): Rename to...
3772 (*branch_fp): ...this. Remove mode from comparison operator.
3773 Use new mips_output_conditional_branch interface.
3774 (branch_fp_inverted): Rename to...
3775 (*branch_fp_inverted): ...this and update as for *branch_fp.
3776 (*branch_zero<mode>): Rename to...
3777 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3778 Use mips_output_order_conditional_branch. Only accept ordered
3780 (*branch_zero<mode>_inverted): Rename to...
3781 (*branch_order<mode>_inverted): ...this and update as for
3782 *branch_order<mode>.
3783 (*branch_equality<mode>): Accept zero as the second operand to
3784 the equality operator. Use the new mips_output_conditional_branch
3786 (*branch_equality<mode>_inverted): Likewise.
3787 (condjump): New expander.
3788 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3790 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3791 (bc1any2t, bc1any2f): Likewise.
3792 (single_cc): New expander.
3793 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3795 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3797 * doc/md.texi: Update documentation of MIPS constraints.
3798 * config/mips/constraints.md: New file.
3799 * config/mips/mips.md: Include it.
3800 * config/mips/mips.c (mips_char_to_class): Delete.
3801 (override_options): Don't initialize mips_char_to_class.
3802 * config/mips/mips.h (mips_char_to_class): Delete.
3803 (REG_CLASS_FROM_LETTER): Delete.
3804 (CONST_OK_FOR_LETTER_P): Delete.
3805 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3806 (EXTRA_CONSTRAINT_Y): Delete.
3807 (EXTRA_CONSTRAINT_STR): Delete.
3808 (CONSTRAINT_LEN): Delete.
3809 (EXTRA_MEMORY_CONSTRAINT): Delete.
3811 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3813 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3814 original fn's eh regions.
3816 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3818 * fold-const.c (build_range_check): Make sure to use a valid type to
3819 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3822 (range_predecessor): New static function.
3823 (range_successor): Likewise.
3824 (merge_ranges): Use them to compute predecessors and successors of
3827 2006-03-09 Roger Sayle <roger@eyesopen.com>
3830 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3831 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3833 2006-03-08 DJ Delorie <dj@redhat.com>
3835 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3836 (addpsi3): Expand to include memory operands. Remove
3837 reload-specific splits.
3838 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3839 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3840 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3841 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3842 (shift1_qi, shift1_hi, insv): New.
3843 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3844 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3845 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3847 * config/m32c/m32c-protos.h: Update as needed.
3848 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3849 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3850 Fail for unrecognized R* constraints.
3851 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3852 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3853 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3855 (m32c_init_libfuncs): New.
3856 (m32c_legitimate_address_p): Add debug wrapper.
3857 (m32c_rtx_costs): New.
3858 (m32c_address_cost): New.
3859 (conversions): Add 'B' prefix.
3860 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3861 operands, or word regnames for QI operands. 'B' prints bit
3863 (m32c_expand_setmemhi): New.
3864 (m32c_expand_movmemhi): New.
3865 (m32c_expand_movstr): New.
3866 (m32c_expand_cmpstr): New.
3867 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3868 (m32c_expand_neg_mulpsi3): Handle non-ints.
3869 (m32c_cmp_flg_0): New.
3870 (m32c_expand_movcc): New.
3871 (m32c_expand_insv): New.
3872 (m32c_scc_pattern): New.
3873 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3874 a0/a1 out of SIregs.
3875 (STORE_FLAG_VALUE): New.
3876 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3879 * config/m32c/mov.md: Make constraints more liberal.
3880 (zero_extendqihi2): Optimize r0/r1 case.
3881 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3882 * config/m32c/predicates.md (m32c_any_operand): New.
3883 (m32c_nonimmediate_operand): New.
3884 (m32c_hl_operand): New.
3885 (m32c_r3_operand): New.
3888 (memsym_operand): New.
3889 (memimmed_operand): New.
3890 (a_qi_operand): New.
3891 (m32c_eqne_operator): New.
3892 (m32c_1bit8_operand): New.
3893 (m32c_1bit16_operand): New.
3894 (m32c_1mask8_operand): New.
3895 (m32c_1mask16_operand): New.
3896 * config/m32c/blkmov.md: New file.
3897 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3899 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3901 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3902 unsigned to fix signed/unsigned comparison issue in
3903 DWARF2_FRAME_REG_OUT.
3904 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3905 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3907 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3908 of ptr into the ENABLE_CHECKING section.
3910 2006-03-08 Jeff Law <law@redhat.com>
3912 * tree-vrp.c (infer_value_range): Only count pointer uses
3913 and dereferences if -fdelete-null-pointer-checks is enabled.
3915 * tree-vrp.c (find_assert_locations): Infer value ranges for
3916 single use pointers, but do not create ASSERT_EXPRs for them.
3917 When a non-null range is inferred for a pointer, backwards
3918 propagate that range to other equivalent pointers through the
3921 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3924 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3925 language hook targets.
3926 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3927 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3928 if language hook targets were missing.
3930 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3932 * tree-ssa-opfinalize.h: Removed.
3933 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3935 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3936 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3937 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3938 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3939 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3940 finalize_ssa_v_must_def_ops): New.
3942 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3944 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3947 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3949 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3951 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3952 addresses with offsets; reorganize.
3954 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3955 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3956 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3958 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3961 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3963 2006-03-08 Ben Elliston <bje@au.ibm.com>
3965 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3967 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3970 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3973 2006-03-07 Richard Guenther <rguenther@suse.de>
3975 PR tree-optimization/26587
3976 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3978 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3980 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3982 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3984 * hooks.c (hook_bool_mode_rtx_true): New function.
3985 * hooks.h (hook_bool_mode_rtx_true): Declare.
3986 * toplev.c (compile_file): Call output_shared_constant_pool.
3987 * varasm.c (shared_constant_pool): New variable.
3988 (assemble_start_function, assemble_end_function): Remove arguments
3989 from call to output_constant_pool.
3990 (create_constant_pool): New function, split out from...
3991 (init_varasm_status): ...here.
3992 (force_const_mem): Choose between the shared and per-function constant
3993 pools. Set current_function_uses_const_pool when reusing old entries
3994 as well as when creating new ones.
3995 (mark_constant): Ignore data argument.
3996 (mark_constants): Remove pool argument.
3997 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3998 to decide whether the function uses a constant pool.
3999 (output_constant_pool_contents): New function, split out from...
4000 (output_constant_pool): ...here.
4001 (output_shared_constant_pool): New function.
4002 (init_varasm_once): Initialize shared_constant_pool.
4003 * output.h (output_constant_pool): Delete.
4004 (output_shared_constant_pool): Declare.
4005 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4006 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4008 2006-03-06 Nick Clifton <nickc@redhat.com>
4010 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4011 flag_strength_reduce.
4013 2006-03-06 Ben Elliston <bje@au.ibm.com>
4015 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4016 x86_64-*-linux* configurations.
4018 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4019 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4021 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4023 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4025 * basic-block.h: Remove the extern for
4026 rediscover_loops_after_threading.
4028 * cfgloop.c (cancel_loop): Make it static.
4029 * cfgloop.h: Remove the prototype for cancel_loop.
4031 * flow.c (recompute_reg_usage): Make it static.
4032 * rtl.h: Remove the prototype for recompute_reg_usage.
4034 * function.c (use_return_register): Make it static.
4035 * function.h: Remove the prototype.
4037 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4039 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4041 * recog.h: Remove the prototype for
4042 validate_change_maybe_volatile.
4044 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4046 * rtlanal.c (replace_reg): Remove.
4047 * rtl.h: Remove the prototype for replace_reg.
4049 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4051 * regclass.c (reg_scan_update): Remove.
4052 (reg_scan_mark_refs): Remove the last argument.
4053 * rtl.h: Remove the prototype for reg_scan_update.
4055 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4057 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4058 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4059 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4060 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4061 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4062 loop-invariant.c, omp-low.c, opts.c, passes.c,
4063 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4064 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4065 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4066 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4067 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4068 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4070 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4072 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4073 * dwarf2out.h: Remove the prototype for
4074 dwarf2out_add_library_unit_info.
4076 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4078 * tree.c (add_var_to_bind_expr): Remove.
4079 * tree.h: Remove the prototype for add_var_to_bind_expr.
4081 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4083 * regclass.c (n_non_fixed_regs): Remove.
4084 (init_reg_sets_1, globalize_reg): Remove all uses of
4086 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4088 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4090 * rtlanal.c (insns_safe_to_move_p): Remove.
4091 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4093 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4095 * expmed.c (expand_mult_add): Remove.
4096 * expr.h: Remove the prototype for expand_mult_add.
4098 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4100 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4101 and REG_SAVED_VAL_EXP constants.
4102 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4103 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4104 Handle regs stored by value.
4105 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4106 (execute_cfa_program): Handle DW_CFA_val_offset,
4107 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4108 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4109 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4110 (uw_install_context_1): Handle target regs stored by value.
4112 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4114 * tree-sra.c (tree_sra): Return todoflags;
4115 (generate_one_element): Set TODO_update_smt_usage if needed.
4116 (pass_sra): Remove TODO_update_smt_usage.
4117 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4119 (tree_ssa_forward_propagate_single_use_vars): Return
4120 TODO_update_smt_usage if we need to update SMT usage.
4121 (pass_forwprop): Remove TODO_update_smt_usage.
4123 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4125 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4126 (correct_use_link): Remove reference to get_stmt_operands.
4127 (update_stmt_operands): Likewise.
4128 (get_modify_expr_operands): New function factored out of
4129 parse_ssa_operands and get_expr_operands.
4130 Try to create V_MUST_DEFs for LHS by default.
4131 (get_expr_operands) <case MODIFY_EXPR>: Call
4132 get_modify_expr_operands.
4133 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4134 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4135 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4136 get_modify_expr_operands.
4138 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4140 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4141 * tree-flow.h: Remove the prototype for
4142 referenced_var_lookup_if_exists.
4144 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4146 PR rtl-optimization/26345
4148 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4150 2006-03-03 Roger Sayle <roger@eyesopen.com>
4152 PR tree-optimization/26524
4153 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4154 fold_convert to create a constant of the appropriate type.
4156 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4158 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4159 SYMBOL_REF_IN_BLOCK_P.
4160 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4161 of SYMBOL_FLAG_IN_BLOCK.
4162 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4163 instead of SYMBOL_REF_IN_BLOCK_P.
4164 * explow.c (use_anchored_address): Likewise.
4165 * rtl.c (rtx_size): Likewise.
4166 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4167 instead of SYMBOL_FLAG_IN_BLOCK.
4168 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4169 SYMBOL_REF_IN_BLOCK_P.
4170 (assemble_variable): Likewise.
4171 (output_constant_def_contents): Likewise.
4172 (output_constant_pool): Likewise.
4173 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4174 instead of SYMBOL_FLAG_IN_BLOCK.
4175 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4176 SYMBOL_REF_IN_BLOCK_P.
4177 (SYMBOL_REF_BLOCK): Likewise.
4178 (SYMBOL_REF_OFFSET): Likewise.
4179 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4180 SYMBOL_REF_IN_BLOCK_P.
4181 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4182 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4183 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4184 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4186 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4188 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4190 2006-03-02 Roger Sayle <roger@eyesopen.com>
4192 * simplify-rtx.c (simplify_unary_operation): When simplifying
4193 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4194 that we perform the right shift in the appropriate mode, and
4195 then extend or truncate the result to requested mode.
4197 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4199 * gengtype.c (main): Handle double_int type.
4200 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4201 * double-int.c: New file.
4202 * double-int.h: New file.
4203 * system.h: Include doubleint.h.
4204 * Makefile.in (SYSTEM_H): Include double-int.h.
4205 (double-int.o): Add.
4207 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4210 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4213 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4215 * tree-vrp.c (remove_range_assertions): Do not update statements
4218 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4220 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4222 * gcse.c (rest_of_handle_gcse): Ditto.
4223 * except.c (gate_handle_eh): Ditto.
4224 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4225 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4227 2006-03-02 Eric Christopher <echristo@apple.com>
4229 * config/i386/i386.c (machopic_output_stub): Add indirection to
4232 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4236 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4238 Sun Niagara specific optimizations.
4239 * config.gcc: Recognize niagara as target.
4240 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4241 (TARGET_CPU_niagara): Define.
4242 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4243 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4244 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4245 (ASM_CPU_SPEC): Likewise.
4246 (PROCESSOR_NIAGARA): New enum entry.
4247 (REGISTER_MOVE_COST): Handle Niagara.
4248 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4249 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4250 (sparc_override_options): Recognize "niagara", set appropriate
4251 default MASK_* values for it, and align functions to 32-bytes
4252 by default just like ULTRASPARC/ULTRASPARC3.
4253 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4254 (sparc64_initialize_trampoline): Likewise.
4255 (sparc_use_sched_lookahead): Use zero for niagara.
4256 (sparc_issue_rate): Use one for niagara.
4257 * config/sparc/niagara.md: New file.
4258 * config/sparc/sparc.md: Include it.
4259 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4260 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4261 when default cpu is niagara.
4262 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4263 (ASM_CPU_SPEC): Likewise.
4264 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4265 when default cpu is niagara.
4266 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4267 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4268 just like v9/ultrasparc/ultrasparc3.
4269 * doc/invoke.texi: Add documentation for "niagara" and improve
4270 existing documentation for ultrasparc variants.
4272 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4274 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4276 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4278 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4279 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4280 and say that only one is needed.
4281 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4282 * target.h (have_switchable_bss_sections): New hook.
4283 * explow.c (use_anchored_address): Check that the symbol is in a block.
4284 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4285 (bss_noswitch_section): New variables.
4286 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4287 (get_noswitch_section): New function.
4288 (get_block_for_section): Allow SECT to be null.
4289 (unlikely_text_section_p): Use SECTION_STYLE.
4290 (bss_initializer_p): New function.
4291 (get_variable_section): Move earlier in file. Take a new argument,
4292 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4293 Return one of the new *_sections in such cases.
4294 (get_block_for_decl): New function, extracting some logic from
4295 use_blocks_for_decl_p.
4296 (change_symbol_section): Remove in favor of...
4297 (change_symbol_block): ...this new function.
4298 (use_blocks_for_decl_p): Remove checks now performed by
4300 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4301 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4302 (emit_local, emit_bss, emit_common): ...these new functions.
4303 Return true if the alignment was honored.
4304 (emit_tls_common): New function.
4305 (asm_emit_uninitialised): Delete.
4306 (assemble_variable_noswitch): New function, split out from...
4307 (assemble_variable): ...here. Don't make decisions about common
4308 variables here. Globalize all public decls that go into non-common
4309 sections. Check whether SYMBOL_REF_BLOCK is null.
4310 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4311 (output_constant_pool): Likewise.
4312 (init_varasm_once): Initialize the new section variables.
4313 (have_global_bss_p): New function.
4314 (categorize_decl_for_section): Use bss_initializer_p.
4315 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4316 (place_block_symbol): Assert that the symbol must be in a block.
4317 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4318 (TARGET_INITIALIZER): Include it.
4319 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4320 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4321 (SECTION_MACH_DEP): Bump by two.
4322 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4323 (unnamed_section): Mention SECTION_UNNAMED in comment.
4324 (named_section): Likewise SECTION_NAMED.
4325 (noswitch_section_callback): New type.
4326 (noswitch_section): New structure.
4327 (section): Add a noswitch_section alternative.
4328 (SECTION_STYLE): New macro.
4329 (tls_comm_section, comm_section, lcomm_section): Declare.
4330 (bss_noswitch_section, have_global_bss_p): Declare.
4331 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4332 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4334 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4335 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4338 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4340 * gcc/tree-vrp.c (execute_vrp): Return value.
4341 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4342 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4343 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4344 (tree_lower_complex_O0): Ditto.
4345 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4346 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4347 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4348 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4349 (execute_tail_calls): Ditto.
4350 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4351 * gcc/tree.h (init_function_for_compilation): Ditto.
4352 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4353 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4354 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4355 * gcc/final.c (compute_alignments): Ditto.
4356 (rest_of_handle_final): Ditto.
4357 (rest_of_handle_shorten_branches): Ditto.
4358 (rest_of_clean_state): Ditto.
4359 * gcc/omp-low.c (execute_expand_omp): Ditto.
4360 (execute_lower_omp): Ditto.
4361 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4362 * gcc/ipa-reference.c (static_execute): Ditto.
4363 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4364 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4365 (rest_of_handle_machine_reorg): Ditto.
4366 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4367 * gcc/flow.c (recompute_reg_usage): Ditto.
4368 (rest_of_handle_remove_death_notes): Ditto.
4369 (rest_of_handle_life): Ditto.
4370 (rest_of_handle_flow2): Ditto.
4371 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4372 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4373 (do_ssa_store_ccp): Ditto.
4374 (execute_fold_all_builtins): Ditto.
4375 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4376 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4377 * gcc/ipa-pure-const.c (static_execute): Ditto.
4378 * gcc/cse.c (rest_of_handle_cse): Ditto.
4379 (rest_of_handle_cse2): Ditto.
4380 * gcc/web.c (rest_of_handle_web): Ditto.
4381 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4382 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4383 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4384 * gcc/tree-nrv.c (tree_nrv): Ditto.
4385 (execute_return_slot_opt): Ditto.
4386 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4387 (create_structure_vars): Ditto.
4388 * gcc/loop-init.c (rtl_loop_init): Ditto.
4389 (rtl_loop_done): Ditto.
4390 (rtl_move_loop_invariants): Ditto.
4391 (rtl_unswitch): Ditto.
4392 (rtl_unroll_and_peel_loops): Ditto.
4393 (rtl_doloop): Ditto.
4394 * gcc/gimple-low.c (lower_function_body): Ditto.
4395 (mark_used_blocks): Ditto.
4396 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4397 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4398 (cgraph_early_inlining): Ditto.
4399 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4400 * gcc/jump.c (cleanup_barriers): Ditto.
4401 (purge_line_number_notes): Ditto.
4402 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4403 (rest_of_handle_if_after_reload): Ditto.
4404 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4405 (tree_ssa_loop_im): Ditto.
4406 (tree_ssa_loop_unswitch): Ditto.
4407 (tree_vectorize): Ditto.
4408 (tree_linear_transform): Ditto.
4409 (tree_ssa_loop_ivcanon): Ditto.
4410 (tree_ssa_empty_loop): Ditto.
4411 (tree_ssa_loop_bounds): Ditto.
4412 (tree_complete_unroll): Ditto.
4413 (tree_ssa_loop_prefetch): Ditto.
4414 (tree_ssa_loop_ivopts): Ditto.
4415 (tree_ssa_loop_done): Ditto.
4416 * gcc/predict.c (tree_estimate_probability): Ditto.
4417 * gcc/recog.c (split_all_insns_noflow): Ditto.
4418 (rest_of_handle_peephole2): Ditto.
4419 (rest_of_handle_split_all_insns): Ditto.
4420 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4421 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4422 (rest_of_handle_stack_adjustments): Ditto.
4423 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4424 * gcc/function.c (instantiate_virtual_regs): Ditto.
4425 (init_function_for_compilation): Ditto.
4426 (rest_of_handle_check_leaf_regs): Ditto.
4427 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4428 (rest_of_handle_gcse): Ditto.
4429 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4430 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4431 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4432 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4433 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4434 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4435 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4436 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4437 * gcc/except.c (set_nothrow_function_flags): Ditto.
4438 (convert_to_eh_region_ranges): Ditto.
4439 (rest_of_handle_eh): Ditto.
4440 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4441 (remove_unnecessary_notes): Ditto.
4442 * gcc/except.h (set_nothrow_function_flags): Ditto.
4443 (convert_to_eh_region_ranges): Ditto.
4444 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4445 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4446 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4447 (execute_fre): Ditto.
4448 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4449 (rest_of_handle_jump2): Ditto.
4450 * gcc/tree-sra.c (tree_sra): Ditto.
4451 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4452 (execute_mudflap_function_decls): Ditto.
4453 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4454 (do_store_copy_prop): Ditto.
4455 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4456 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4457 * gcc/tree-ssa-forwprop.c
4458 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4459 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4460 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4461 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4462 (execute_late_warn_uninitialized): Ditto.
4463 * gcc/rtl.h (cleanup_barriers): Ditto.
4464 (split_all_insns_noflow): Ditto.
4465 (purge_line_number_notes): Ditto.
4466 (unshare_all_rtl): Ditto.
4467 (remove_unnecessary_notes): Ditto.
4468 (recompute_reg_usage): Ditto.
4469 (variable_tracking_main): Ditto.
4470 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4471 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4472 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4473 (execute_free_cfg_annotations): Ditto.
4474 (execute_fixup_cfg): Ditto.
4475 (execute_cleanup_cfg_pre_ipa): Ditto.
4476 (execute_cleanup_cfg_post_optimizing): Ditto.
4477 (execute_init_datastructures): Ditto.
4478 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4479 * gcc/combine.c (rest_of_handle_combine): Ditto.
4480 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4481 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4482 (rest_of_handle_reorder_blocks): Ditto.
4483 (rest_of_handle_partition_blocks): Ditto.
4484 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4485 * gcc/tree-profile.c (tree_profiling): Ditto.
4486 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4487 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4488 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4489 (rest_of_handle_sched2): Ditto.
4490 * gcc/basic-block.h (free_bb_insn): Ditto.
4491 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4492 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4493 (remove_useless_stmts): Ditto.
4494 (split_critical_edges): Ditto.
4495 (execute_warn_function_return): Ditto.
4496 (execute_warn_function_noreturn): Ditto.
4497 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4498 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4499 * gcc/passes.c (execute_one_pass): Run additional
4500 todos returned by execute function.
4501 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4504 2006-03-02 Richard Guenther <rguenther@suse.de>
4506 * tree-ssa-alias.c (find_used_portions): Consider taking
4507 the address as making the variable not write-only.
4509 2006-03-02 Nick Clifton <nickc@redhat.com>
4511 * config.gcc (default_use_cxa_atexit): Extend the description of
4512 this configure variable. Set its default value to "yes" for
4513 Linux, NetBSD and ELF targets on the assumption that they will
4514 use C libraries with the __cxa_atexit function.
4516 2006-03-02 Ben Elliston <bje@au.ibm.com>
4518 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4519 parameter as unused to suppress a build warning.
4521 2006-03-02 Ben Elliston <bje@au.ibm.com>
4523 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4526 2006-03-01 Roger Sayle <roger@eyesopen.com>
4529 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4530 declared name, the weak reference name, and the typeof name.
4531 (__gthrw): Avoid expanding the declared name suffix.
4532 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4534 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4536 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4538 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4539 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4540 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4541 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4542 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4543 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4544 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4545 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4546 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4547 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4548 (DW_END_default, DW_END_big, DW_END_little): New.
4549 (DW_END_lo_user, DW_END_hi_user): Define.
4550 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4551 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4552 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4555 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4557 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4559 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4561 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4563 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4565 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4566 to 'symbol_mem_tag'.
4568 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4571 2006-03-01 Roger Sayle <roger@eyesopen.com>
4573 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4575 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4578 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4579 MACHO_DYNAMIC_NO_PIC_P.
4580 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4582 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4585 * config/darwin-protos.h (darwin_asm_output_anchor):
4587 * config/darwin-sections.def (cstring_section):
4588 Add SECTION_MERGE to the flags.
4589 (literal4_section): Likewise.
4590 (literal8_section): Likewise.
4591 (objc_selector_refs_section): Likewise.
4592 (objc_cls_refs_section): Likewise.
4593 * config/darwin.c (darwin_asm_output_anchor): New
4595 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4597 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4599 Fix PR tree-optimization/26443
4600 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4601 to todo and PROP_tmt_usage to properties_destroyed.
4602 * tree-ssa-ccp.c (pass_ccp): Ditto.
4603 (pass_store_ccp): Ditto.
4604 * tree-ssa-dom.c (pass_dominator): Ditto.
4606 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4608 * tree-ssa-operands.c: Cleanup whitespace.
4609 (get_asm_expr_operands): Move before first invocation.
4610 (get_indirect_ref_operands): Likewise.
4611 (get_tmr_operands): Likewise.
4612 (get_call_expr_operands): Likewise.
4613 (append_def): Likewise.
4614 (append_use): Likewise.
4615 (append_v_may_def): Likewise.
4616 (append_v_must_def): Likewise.
4617 (add_call_clobber_ops): Likewise.
4618 (add_call_read_ops): Likewise.
4619 (add_stmt_operand): Likewise.
4620 (add_virtual_operand): Likewise.
4621 (build_ssa_operands): Likewise.
4623 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4628 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4629 with a call expr to ...
4630 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4632 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4634 * tree-vrp.c (extract_range_from_assert): Remove special
4635 handling for types with super-types.
4637 2006-03-01 Ben Elliston <bje@au.ibm.com>
4639 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4640 and powerpc64-*-linux* configurations.
4641 * config/t-dfprules: New file.
4643 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4644 Compile dfp-bit.c from the source directory using -DWIDTH and
4645 $DFP_CFLAGS to control the compilation of that file, rather than
4646 generating width-specific versions in the build directory.
4647 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4648 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4650 2006-02-28 Zack Weinberg <zackw@panix.com>
4652 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4655 2006-02-28 Eric Christopher <echristo@apple.com>
4657 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4658 Set up IN_LIBGCC definition of TARGET_64BIT.
4659 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4661 2006-02-28 Roger Sayle <roger@eyesopen.com>
4664 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4665 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4666 cases via the construction of "expr != 0".
4668 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4670 * alias.c (alias_invariant, alias_invariant_size): Remove.
4671 (record_base_value): Remove.
4672 (memrefs_conflict_p): Don't look at alias_invariant.
4673 (end_alias_analysis): Don't free it.
4674 * alias.h (record_base_value): Remove prototype.
4676 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4677 Adam Nemet <anemet@caviumnetworks.com>
4679 * rtl.h (truncated_to_mode): Declare it.
4680 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4681 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4682 (RTL_HOOKS_INITIALIZER): Include it.
4683 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4684 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4685 reg_truncated_to_mode.
4686 * rtlanal.c (truncated_to_mode): Define it.
4687 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4689 2006-02-28 Jeff Law <law@redhat.com>
4691 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4692 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4693 the range allowed by TYPE_PRECISION.
4695 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4697 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4699 PR tree-optimization/26419
4700 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4703 2006-02-27 Zack Weinberg <zackw@panix.com>
4705 * doc/md.texi: Fix typo in previous change.
4707 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4711 2006-02-27 Zack Weinberg <zackw@panix.com>
4713 * rtl.def (define_constraint, define_register_constraint)
4714 (define_memory_constraint, define_address_constraint): New MD forms.
4715 * gensupport.c (process_rtx): Put define_constraint etc on the
4717 * genpreds.c (process_define_predicate): Adjust comment. Validate
4718 the name, and call validate_exp to validate the expression.
4719 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4720 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4721 all callers changed.
4722 (validate_exp, needs_variable, struct constraint_data)
4723 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4724 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4725 (const_dbl_constraints, constraint_max_namelen)
4726 (have_register_constraints, have_memory_constraints)
4727 (have_address_constraints, have_address_constraints)
4728 (have_extra_constraints, have_const_int_constraints)
4729 (have_const_dbl_constraints, mangle, add_constraint)
4730 (process_define_constraint, process_define_register_constraint)
4731 (write_enum_constraint_num, write_lookup_constraint)
4732 (write_insn_constraint_len, write_regclass_for_constraint)
4733 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4734 (write_insn_extra_memory_constraint)
4735 (write_insn_extra_address_constraint)
4736 (write_satisfies_constraint_fns): New.
4737 (write_tm_preds_h): If we have new-style constraint definitions,
4738 prototype the functions generated from them, and define the
4739 old constraint interface (still used by generic code) in terms of
4741 (write_insn_preds_c): If we have new-style constraint definitions,
4742 generate all relevant functions from those definitions.
4743 (main): Handle define_constraint etc.
4744 * genoutput.c (struct constraint_data, indep_constraints)
4745 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4746 (mdep_constraint_len): New data structures and functions, defined
4747 #ifdef USE_MD_CONSTRAINTS.
4748 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4749 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4750 use new logic to validate operand constraints against constraint
4752 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4754 * defaults.h: If none of the old-style constraint macros are
4755 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4756 old-style macros; and poison REG_CLASS_FROM_LETTER,
4757 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4759 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4760 * doc/md.texi: Document new constraint-definition mechanism and the
4761 C interface it provides. Remove references to old mechanism
4762 elsewhere in the document.
4763 (Machine Constraints): Use pathnames relative to gcc directory,
4764 i.e. config/ARCH/FILE. Change i386 section to refer to
4765 config/i386/predicates.md; update that section to match docstrings.
4766 * doc/tm.texi: Move all documentation of the old constraint-
4767 definition macros to their own section, clearly mark as obsolete.
4769 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4770 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4772 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4773 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4774 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4776 (splits and peepholes): Use satisfies_constraint_*.
4777 * config/i386/i386.c (memory_address_length)
4778 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4780 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4782 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4783 scalar operation to be put back into the loop.
4785 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4788 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4789 (extract_cie_info): Handle S flag in augmentation string.
4790 (execute_cfa_program): If context->signal_frame, execute also
4791 fs->pc == context->ra instructions.
4792 (uw_frame_state_for): If context->signal_frame, don't subtract one
4793 from context->ra to find FDE.
4794 (uw_update_context_1): Set context->signal_frame to
4796 (_Unwind_GetIPInfo): New function.
4797 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4798 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4800 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4801 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4802 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4803 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4804 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4805 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4806 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4807 x86_64_fallback_frame_state): Set fs->signal_frame.
4808 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4809 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4810 (frob_update_context): Likewise. Workaround missing S flag in
4811 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4812 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4813 Remove the psw_addr + 1 hack.
4815 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4817 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4818 with aggregates here.
4819 (find_func_aliases): Remove code for &<aggregate> from here.
4821 2006-02-26 Roger Sayle <roger@eyesopen.com>
4823 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4824 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4825 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4828 2006-02-26 Roger Sayle <roger@eyesopen.com>
4831 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4833 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4835 * opts.c (decode_options): Do not handle flag_strength_reduce.
4836 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4837 and OPT_fstrength_reduce.
4838 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4839 flag_prefetch_loop_arrays for being nonzero.
4840 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4842 (fprefetch-loop-arrays-rtl): Removed.
4843 (flag_prefetch_loop_arrays): Do not specify the value.
4845 * doc/passes.texi: Update documentation of loop optimizer
4847 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4848 -frerun-loop-opt): Remove.
4850 2006-02-26 Richard Guenther <rguenther@suse.de>
4852 PR tree-optimization/26421
4853 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4854 in function calls that are ADDR_EXPRs as using the whole structure.
4856 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4858 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4859 * tree-pass.h (pass_loop_optimize): Remove.
4860 * passes.c (pass_loop_optimize): Never run it.
4861 * toplev.c (backend_init): Don't call init_loop.
4862 * opts.c (flag_loop_optimize_set): Remove.
4863 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4864 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4865 the old RTL loop optimizer when profiling enabled.
4866 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4867 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4868 pre-headers for the sake of the old RTL loop optimizer.
4869 * Makefile.in: Remove all references to loop.o.
4871 * doc/invoke.texi: Remove all references to -floop-optimize
4872 and -frerun-loop-opt.
4874 2006-02-26 Zack Weinberg <zackw@panix.com>
4876 * doc/md.texi (Machine Constraints): Refer to all files with paths
4877 relative to gcc directory (i.e. config/CPU/file). Add missing
4878 @table @code ... @end table to M32C subsection.
4880 2006-02-26 Roger Sayle <roger@eyesopen.com>
4882 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4884 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4886 2006-02-26 Roger Sayle <roger@eyesopen.com>
4887 James A. Morrison <phython@gcc.gnu.org>
4890 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4891 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4892 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4893 signedness of the shift operation.
4895 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4897 PR tree-optimization/26359
4898 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4900 2006-02-25 Roger Sayle <roger@eyesopen.com>
4902 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4903 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4904 as X == 0, and some symmetry related transformations.
4905 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4907 2006-02-25 Roger Sayle <roger@eyesopen.com>
4910 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4911 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4912 symmetry related transformations. Fold (X^C1) == C2 as
4915 2006-02-25 Juergen Weigert <jw@suse.de>
4916 Richard Guenther <rguenther@suse.de>
4918 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4920 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4922 * combine.c (gen_lowpart_or_truncate): Call
4923 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4925 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4927 * doc/invoke.texi: Move -fopenmp description to "Options for
4929 Remove reference to -lgomp.
4931 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4933 * doc/install.texi: Require GNU tar version 1.14.
4935 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4937 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4938 * doc/invoke.texi (C++ Dialect Options): Document
4939 -fno-use-cxa-get-exception-ptr.
4940 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4941 * configure: Regenerate.
4942 * c.opt (fuse-cxa-get-exception-ptr): New.
4943 * c-opts.c (c_common_handle_option): Handle
4944 OPT_fuse_cxa_get_exception_ptr.
4945 * c-common.c (flag_use_cxa_atexit): Update documentation.
4946 (flag_use_cxa_get_exception_ptr): New.
4947 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4948 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4950 (C_COMMON_OVERRIDE_OPTIONS): New.
4952 2006-02-24 Roger Sayle <roger@eyesopen.com>
4955 * combine.c (try_combine): Explicitly check whether GET_CODE is
4956 a SET or a CLOBBER, instead on checking that it isn't a USE.
4958 2006-02-24 Roger Sayle <roger@eyesopen.com>
4960 * fold-const.c (fold_comparison): New subroutine of fold_binary
4961 containing transformations common to both the equality and
4962 ordering relational operators, factored out of fold_binary.
4963 (fold_binary): Separate out the equality operators (EQ_EXPR
4964 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4965 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4966 transformations common to both.
4967 (fold_div_compare): Fix latent bugs in the previously unreachable
4968 LT_EXPR and GE_EXPR cases.
4970 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4972 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4973 decl libname for clog to __clog on AIX.
4975 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4977 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4980 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4981 output traceback table for thunks. Localise rs6000_stack_info call.
4983 2006-02-23 Roger Sayle <roger@eyesopen.com>
4984 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4986 * gthr-posix.h (__gthrw): Fix typo in comment.
4988 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4990 * doc/cpp.texi (Character sets): Document that we do support
4991 input files to be in any character set.
4993 2006-02-23 Jeff Law <law@redhat.com>
4995 * tree.h (PHI_ARG_NONZERO): Remove.
4996 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4997 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4998 node to the new node.
5000 PR tree-optimization/26425
5001 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5002 min/max, then assume its varying.
5004 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5006 PR rtl-optimization/26316
5007 * rtlanal.c (enum may_trap_p_flags): New.
5008 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5009 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5010 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5011 (may_trap_after_code_motion_p): New function.
5012 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5013 (find_invariant_insn): Use may_trap_after_code_motion_p.
5014 * rtl.h (may_trap_after_code_motion_p): Declare.
5016 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5018 * emit-rtl.c (immed_double_const): Cleanup.
5020 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5022 Fix PR tree-optimization/26376
5023 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5026 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5029 * gimplify.c (omp_add_variable): Guard variable size decl test with
5030 DECL_SIZE (decl) check.
5032 2006-02-23 Richard Guenther <rguenther@suse.de>
5035 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5036 like aggregate types.
5038 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5040 * configure.ac: Add --with{,out}-long-double-128 configure option.
5041 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5042 * configure: Rebuilt.
5043 * config.in: Rebuilt.
5044 * doc/install.texi (Options specification): Document
5045 --with-long-double-128.
5047 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5048 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5049 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5050 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5052 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5054 * config/s390/s390.c (override_options): Handle
5055 TARGET_DEFAULT_LONG_DOUBLE_128.
5057 * config/alpha/alpha.c (override_options): Handle
5058 TARGET_DEFAULT_LONG_DOUBLE_128.
5060 * config/sparc/sparc.c (sparc_override_options): Handle
5061 TARGET_DEFAULT_LONG_DOUBLE_128.
5063 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5065 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5066 (real-install-headers-tar, real-install-headers-cpio)
5067 (real-install-headers-cp): New targets.
5069 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5071 * tree.h (variable_section): Delete.
5072 * varasm.c (variable_section): Delete.
5074 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5076 * install.texi: Add notes on install.texi2html.
5077 (Building in parallel): Do not use footnotes.
5079 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5082 * doc/install.texi (Configuration): Document --disable-libgomp.
5084 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5086 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5088 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5090 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5091 (vec_extractv2df_0_sse): New.
5093 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5095 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5096 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5097 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5098 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5099 to the result of the expression.
5100 (def_cfa_1): Adjust.
5101 (frame_pointer_cfa_offset): Rename to...
5102 (frame_pointer_fb_offset): ... this. Adjust all uses.
5103 (convert_cfa_to_loc_list): Rename to...
5104 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5105 Pass it on to build_cfa_loc.
5106 (compute_frame_pointer_to_cfa_displacement): Rename to...
5107 (compute_frame_pointer_to_fb_displacement): ... this. New
5108 offset parameter. Use it in computation.
5109 (gen_subprogram_die): Compute cfa_fb_offset with the new
5110 macro, and use it to compute the fb loc list and the
5113 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5115 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5116 replaced with register_operand.
5117 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5118 non-DREG is expensive.
5119 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5120 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5123 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5125 * doc/install.texi2html: Use set -e.
5127 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5129 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5130 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5131 * doc/invoke.texi (-fshared-data): Delete.
5132 * common.opt (fshared-data): Delete.
5133 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5134 (assemble_static_space): Remove #if 0 code.
5135 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5136 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5137 * config/cris/cris.h: Remove FIXME.
5139 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5141 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5144 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5147 * combine.c (simplify_shift_const_1): Disable nested shifts
5148 optimization for vector shifts.
5150 2006-02-20 Roger Sayle <roger@eyesopen.com>
5152 PR tree-optimization/26361
5153 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5154 of unsigned integer types.
5156 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5158 * tree-chrec.c (eq_evolutions_p): New.
5159 * tree-chrec.h (eq_evolutions_p): Declared.
5160 * tree-data-ref.c: Fix formatting.
5161 (datadep_stats, dependence_stats): New.
5163 (print_direction_vector): New.
5164 (dump_data_dependence_relation): Use print_direction_vector.
5165 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5166 (compute_subscript_distance): Static.
5167 (initialize_data_dependence_relation): Static. Get the number
5168 of loops surrounding the references from the callers, and initialize
5169 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5170 base_object_differ_p analyzers.
5171 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5172 compute_overlap_steps_for_affine_1_2,
5173 analyze_subscript_affine_affine): Count the classified dependences.
5174 Print a message when a test failed.
5175 (can_use_analyze_subscript_affine_affine): New.
5176 (analyze_siv_subscript): Compute the data dependences on symbolic
5177 scevs that verify can_use_analyze_subscript_affine_affine.
5178 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5179 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5180 Handle symbolic scevs.
5181 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5183 (subscript_dependence_tester): Moved...
5184 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5185 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5186 DDR_SIZE_VECT instead of getting it in parameter.
5187 (subscript_dependence_tester): ... here. Take as a parameter
5188 loop_nest_depth. Call build_classic_dist_vector and
5189 build_classic_dir_vector.
5190 (compute_affine_dependence): Update subscript_dependence_tester
5191 parameters. Update datadep_stats counters. Call
5192 compute_subscript_distance.
5193 (compute_self_dependence): Save the dist and dir vectors. Call
5194 compute_subscript_distance.
5195 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5196 (compute_all_dependences): Reorder parameters as they were before
5197 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5198 compute_subscript_distance. Update the use of
5199 compute_affine_dependence and initialize_data_dependence_relation.
5200 (find_data_references_in_loop): Handle COMPONENT_REF.
5201 (compute_data_dependences_for_loop): Initialize dependence_stats.
5202 Don't call build_classic_dist_vector and build_classic_dir_vector.
5203 Update the parameters of initialize_data_dependence_relation and
5204 compute_all_dependences. Print the statistics from datadep_stats.
5205 (analyze_all_data_dependences): Static. Not used until the pass for
5206 checking the data dependences is contributed.
5207 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5208 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5209 (initialize_data_dependence_relation, compute_affine_dependence,
5210 analyze_all_data_dependences, compute_subscript_distance): Removed.
5211 (print_direction_vector): New.
5212 * lambda.h (gcd): ... here.
5213 (lambda_vector_gcd): Moved here from gcd_vector.
5214 * lambda-code.c (gcd, gcd_vector): Removed.
5215 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5216 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5218 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5220 * ipa-type-escape.c: Tidy some comments and white space.
5221 * tree-ssa-operands.c: Likewise.
5223 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5226 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5227 (dump_decl_name): Do not walk the decl tree chains.
5228 * tree-pass.h (TDF_CHAIN): Remove.
5230 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5232 * Makefile.in (C): Remove
5234 (.PHONY): Remove C and PROTO
5236 2006-02-20 Roger Sayle <roger@eyesopen.com>
5239 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5240 deprecated CHAR_TYPE tree code.
5242 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5244 * configure.ac (target_list): Add install-info, dvi, html.
5245 * configure: Regenerate.
5247 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5248 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5249 treelang/Make-lang.in: Do not use double-colon rules.
5251 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5253 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5254 (TMT_USED_ALONE): New macro.
5255 * tree-pass.h (PROP_tmt_usage): New property.
5256 (TODO_update_tmt_usage): New todo.
5257 * tree-ssa-alias.c (updating_used_alone): New variable.
5258 (recalculate_used_alone): New function.
5259 (compute_may_aliases): Set updating_used_alone, call
5260 recalculate_used_alone.
5261 * tree-sra.c (pass_sra): Note that this pass destroys
5262 PROP_tmt_usage, and add TODO_update_tmt_usage.
5263 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5264 * tree-flow.h (updating_used_alone): Prototype.
5265 (recalculate_used_alone): Ditto.
5266 * passes.c (execute_todo): Add code to set updating_used_alone,
5267 and call recalculate.
5268 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5269 for clobber if used alone, and add assert to verify used_alone
5272 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5274 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5275 for non tls symbols added.
5276 (legitimize_address): Do nothing for PLUS expressions if one of the
5277 addends is a tls symbol reference.
5279 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5283 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5285 * Makefile.in (BOOTSTRAPPING): New.
5286 (quickstrap): New definition if BOOTSTRAPPING=yes.
5288 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5289 * configure.ac: Substitute all_selected_languages with the languages
5290 that were configured. For all the other variables except
5291 lang_specs_files, include all the languages in the tree.
5292 * configure: Regenerate.
5294 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5295 if there is one. Run the commands to run fixincludes in the same
5298 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5299 * doc/install.texi: Document exact conventions for searching target tools.
5300 Document --with-build-time-tools. Document toplevel bootstrap. Document
5301 something more about building an Ada cross-compiler. Don't list GNU Make
5302 requirements which affect all platforms.
5304 2006-02-19 Roger Sayle <roger@eyesopen.com>
5307 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5308 only equivalent if the have both the same mode and precision.
5310 2006-02-20 Ben Elliston <bje@au.ibm.com>
5312 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5314 2006-02-19 Roger Sayle <roger@eyesopen.com>
5315 Steven Bosscher <stevenb.gcc@gmail.com>
5317 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5318 constant pool references to identify stack mode constants.
5319 * rtlanal.c (constant_pool_constant_p): New predicate to check
5320 whether operand is a floating point constant in the pool.
5321 * rtl.h (constant_pool_constant_p): Prototype here.
5322 * loop.c (scan_loop): Avoid hoisting constants from the constant
5323 pool on STACK_REGS targets.
5324 (load_mems): Likewise.
5325 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5326 loads into x87 registers expensive in terms of register pressure.
5328 2006-02-19 Roger Sayle <roger@eyesopen.com>
5330 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5331 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5333 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5335 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5336 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5338 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5340 * doc/invoke.texi: Document -fipa-pta.
5341 * common.opt: Add ipa-pta option.
5342 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5343 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5344 (do_ds_constraint): Ditto.
5345 (get_constraint_for): Only add to referenced_vars if
5346 referenced_vars exists.
5347 (insert_into_field_list): Rewrite to do this unsorted.
5348 (insert_into_field_list_sorted): Rename old insert_into_field_list
5350 (create_function_info_for): Use insert_into_field_list_sorted.
5351 (create_variable_info_for): Rewrite so it uses unsorted version,
5352 since the field list is sorted.
5353 (intra_create_variable_infos): Only add to referenced_vars if
5354 referenced_vars exists.
5355 (ipa_pta_execute): Init heapvars, and delete when done.
5356 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5358 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5360 * doc/install.texi: Add missing `@samp'.
5362 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5364 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5367 2006-02-18 Mark Wielaard <mark@klomp.org>
5369 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5370 who added new 4.1 features, bug fixes and integration support.
5372 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5375 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5378 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5380 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5381 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5382 (copy_insn_1): Likewise. Don't copy each field individually.
5384 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5386 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5387 * rtl.c (rtx_size): Rename variable to...
5388 (rtx_code_size): ...this.
5389 (rtx_size): New function.
5390 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5391 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5393 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5394 * rtl.h (rtx_code_size): New variable.
5395 (rtx_size): Change from a variable to a function.
5396 (RTX_SIZE): Rename to...
5397 (RTX_CODE_SIZE): ...this.
5400 PR tree-optimization/17106
5401 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5402 (Anchored Addresses): New section.
5403 * doc/invoke.texi (-fsection-anchors): Document.
5404 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5405 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5406 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5407 * hooks.c (hook_bool_mode_rtx_false): New function.
5408 * hooks.h (hook_bool_mode_rtx_false): Declare.
5409 * gengtype.c (create_optional_field): New function.
5410 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5411 SYMBOL_REF_IN_BLOCK_P is true.
5412 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5413 (min_anchor_offset, max_anchor_offset): Likewise.
5414 (use_anchors_for_symbol_p): New hook.
5415 * toplev.c (compile_file): Call output_object_blocks.
5416 (target_supports_section_anchors_p): New function.
5417 (process_options): Check that -fsection-anchors is only used on
5418 targets that support it and when -funit-at-a-time is in effect.
5419 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5420 if the decl doesn't have one.
5421 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5422 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5423 of force_const_mem through use_anchored_address.
5424 (expand_expr_constant): New function.
5425 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5426 calling expand_expr for INDIRECT_REF.
5427 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5428 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5429 * expr.h (use_anchored_address): Declare.
5430 * loop-unroll.c: Don't declare rtx vectors here.
5431 * explow.c: Include output.h.
5432 (validize_mem): Call use_anchored_address.
5433 (use_anchored_address): New function.
5434 * common.opt (-fsection-anchors): New switch.
5435 * varasm.c (object_block_htab, anchor_labelno): New variables.
5436 (hash_section, object_block_entry_eq, object_block_entry_hash)
5437 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5438 (use_blocks_for_decl_p, change_symbol_section): New functions.
5439 (get_variable_section): New function, split out from assemble_variable.
5440 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5441 use_blocks_for_decl_p say so. Use change_symbol_section if the
5442 symbol has already been created.
5443 (assemble_variable_contents): New function, split out from...
5444 (assemble_variable): ...here. Don't output any code for
5445 block symbols; just pass them to place_block_symbol.
5446 Use get_variable_section and assemble_variable_contents.
5447 (get_constant_alignment, get_constant_section, get_constant_size): New
5448 functions, split from output_constant_def_contents.
5449 (build_constant_desc): Create a block symbol if use_object_blocks_p
5450 says so. Or into SYMBOL_REF_FLAGS.
5451 (assemble_constant_contents): New function, split from...
5452 (output_constant_def_contents): ...here. Don't output any code
5453 for block symbols; just pass them to place_section_symbol.
5454 Use get_constant_section and get_constant_alignment.
5455 (force_const_mem): Create a block symbol if use_object_blocks_p and
5456 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5457 (output_constant_pool_1): Add an explicit alignment argument.
5458 Don't switch sections here.
5459 (output_constant_pool): Adjust call to output_constant_pool_1.
5460 Switch sections here instead. Don't output anything for block symbols;
5461 just pass them to place_block_symbol.
5462 (init_varasm_once): Initialize object_block_htab.
5463 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5464 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5465 (place_block_symbol, get_section_anchor, output_object_block)
5466 (output_object_block_htab, output_object_blocks): New functions.
5467 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5468 (TARGET_ASM_OUT): Include it.
5469 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5470 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5471 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5472 (TARGET_INITIALIZER): Include them.
5473 * rtl.c (rtl_check_failed_block_symbol): New function.
5474 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5475 (block_symbol, object_block): New structures.
5476 (rtx_def): Add a block_symbol field to the union.
5477 (BLOCK_SYMBOL_CHECK): New macro.
5478 (rtl_check_failed_block_symbol): Declare.
5479 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5480 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5481 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5482 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5483 * output.h (output_section_symbols): Declare.
5484 (object_block): Name structure.
5485 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5486 (default_use_anchors_for_symbol_p): Declare.
5487 * Makefile.in (RTL_BASE_H): Add vec.h.
5488 (explow.o): Depend on output.h.
5489 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5490 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5491 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5492 (rs6000_use_blocks_for_constant_p): New function.
5494 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5496 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5498 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5501 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5504 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5506 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5510 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5513 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5514 instead of DECL_REGISTER.
5516 2006-02-18 Olivier Hainque <hainque@adacore.com>
5519 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5521 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5524 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5525 * opth-gen.awk: Handle Var and InverseMask together.
5526 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5527 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5528 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5529 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5531 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5532 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5533 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5534 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5535 LINUX_DYNAMIC_LINKER): Define.
5536 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5537 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5539 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5540 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5541 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5542 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5543 (TARGET_C99_FUNCTIONS): Don't define.
5544 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5545 GLIBC_DYNAMIC_LINKER.
5546 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5547 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5548 GLIBC_DYNAMIC_LINKER64): Define.
5549 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5550 LINUX_DYNAMIC_LINKER64.
5551 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5552 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5553 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5554 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5555 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5556 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5557 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5558 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5559 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5560 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5561 and LINUX_DYNAMIC_LINKER32.
5562 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5563 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5564 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5565 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5566 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5568 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5569 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5570 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5571 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5572 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5573 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5574 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5575 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5576 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5577 LINUX_DYNAMIC_LINKER): Define.
5578 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5579 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5580 GLIBC_DYNAMIC_LINKER64): Define.
5581 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5582 LINUX_DYNAMIC_LINKER64.
5583 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5584 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5585 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5586 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5587 LINUX_DYNAMIC_LINKER): Define.
5588 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5589 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5590 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5591 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5592 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5593 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5594 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5595 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5596 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5597 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5598 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5599 * doc/invoke.texi (-muclibc): Remove caveat about supported
5602 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5604 * doc/cpp.texi (__TIMESTAMP__): Document.
5606 2006-02-17 Roger Sayle <roger@eyesopen.com>
5609 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5610 C is one less than the width of X (and related transformations).
5611 * simplify-rtx.c (simplify_unary_operation_1): Transform
5612 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5613 depending on STORE_FLAG_VALUE, were C is one less then the
5616 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5618 Fix PR tree-optimization/26341
5619 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5620 about NAME_MEMORY_TAG's.
5622 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5625 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5626 with hardware float support, and software float support. Add fcpy
5627 alternative to hardware patterns. Add alternatives to copy between
5628 general and floating-point registers to the 32-bit pattern.
5629 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5630 secondary reload to load a QI or HI mode constant into a floating
5632 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5633 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5635 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5638 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5640 (load_macho_picbase_di): Likewise.
5642 2006-02-16 Jeff Law <law@redhat.com>
5644 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5645 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5646 (ssa_name_nonzero_p): Likewise.
5647 (get_value_range): Return NULL if VRP is not running.
5648 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5649 VRP routines do not discover a range.
5650 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5651 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5652 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5653 (tree_expr_nonnegative_p): Similarly.
5654 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5655 (restore_nonzero_vars_to_original_value): Remove.
5656 (unsafe_associative_fp_binop): Remove.
5657 (tree_ssa_dominator_optimize): Remove initialization and
5658 finalization of nonzero_vars and nonzero_vars_stack.
5659 (dom_opt_initialize_block): No longer push marker on
5661 (dom_opt_finalize_block): No longer call
5662 restore_nonzero_vars_to_original_value.
5663 (record_equivalences_from_phis): No longer look for
5664 nonzero PHI arguments.
5665 (cprop_into_successor_phis): No longer propagate nonzero
5666 property into PHI arguments. Lose unused argument. Caller
5668 (record_equivalences_from_stmt): No longer record nonzero
5669 values for SSA_NAMEs.
5670 (lookup_avail_expr): No longer use nonzero_vars.
5672 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5673 for sizetype when sizetype is unsigned.
5675 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5677 PR rtl-optimization/25603
5678 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5679 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5680 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5681 with new meaning of SETS.
5683 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5688 * config/linux.opt: New file.
5689 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5690 LINUX_DYNAMIC_LINKER): Define.
5691 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5692 * config.gcc (*-*-linux*): Define extra_options.
5693 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5694 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5695 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5696 GLIBC_DYNAMIC_LINKER.
5697 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5698 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5699 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5700 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5701 * doc/invoke.texi (GNU/Linux Options): New section.
5703 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5705 * config/sparc/sparc.md (setjmp): Rewrite.
5706 (setjmp_32): Delete.
5707 (setjmp_64): Likewise.
5709 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5711 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5714 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5716 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5719 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5721 PR rtl-optimization/26296
5722 * Makefile.in (loop-invariant.c): Add except.h dependency.
5723 * loop-invariant.c: Include except.h.
5724 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5726 2005-02-16 Paul Brook <paul@codesourcery.com>
5728 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5731 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5733 PR rtl-optimization/25636
5734 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5735 when deciding whether an insn is an initializing insn.
5737 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5739 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5740 (tree_code_size): Ditto.
5741 * tree.h (struct tree_memory_tag): Remove parent_var.
5742 (struct tree_struct_field_tag): New.
5745 (union tree_node): Add sft member.
5746 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5748 (create_sft): Add size and offset argument, set SFT_OFFSET and
5750 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5751 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5752 * tree-flow-inline.h (get_subvar_at): Update for
5753 SFT_OFFSET/SFT_SIZE.
5754 (var_can_have_subvars): Ditto.
5755 (overlap_subvar): Ditto.
5756 * print-tree.c (print_node): Print out interesting things for
5758 * tree-flow.h (struct subvar): Remove offset and size members.
5759 * tree-ssa-operands.c (get_expr_operands): Update for
5760 get_indirect_ref_operands changes.
5761 (get_indirect_ref_operands): Call add_virtual_operand instead of
5762 add_stmt_operand. Only recurse on base var if requested.
5763 (access_can_touch_variable): New function.
5764 (add_stmt_operand): Split virtual operand handling into ...
5765 (add_virtual_operand): Here. Add offset, size, and for_clobber
5766 arguments. Prune alias sets.
5767 (add_call_clobber_ops): Call add_virtual_operand.
5769 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5772 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5774 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5775 than TREE_CODE as index into omp_clause_num_ops array.
5777 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5779 PR rtl-optimization/26184
5780 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5782 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5783 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5784 must_precede, must_follow and tobe_scheduled.
5787 * opts.c (common_handle_option): Free new_option pointer.
5788 * df-core.c (df_analyze): Free postorder pointer.
5790 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5792 * Makefile.in: Fix the examples about the use of stamps
5794 2006-02-15 Michael Matz <matz@suse.de>
5798 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5799 influenced by maximum_field_alignment or DECL_PACKED.
5800 (update_alignment_for_field): Ditto.
5801 (place_field): Ditto.
5802 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5805 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5807 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5808 (debug_flow_info): Pass it.
5809 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5810 * bb-reorder.c (reorder_basic_blocks): Likewise.
5811 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5812 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5813 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5814 * gcse.c (gcse_main, bypass_jumps): Likewise.
5815 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5816 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5817 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5818 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5819 * rtl.h (dump_flow_info): Adjust prototype.
5820 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5821 * var-tracking.c (variable_tracking_main): Likewise.
5822 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5823 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5826 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5828 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5831 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5833 PR tree-optimization/26209
5834 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5835 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5837 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5839 2006-02-14 Roger Sayle <roger@eyesopen.com>
5842 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5843 (X,Y) and the corresponding symmetry related transformations.
5844 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5845 (X,Y) and its symmetry related transformations.
5847 2006-02-14 Roger Sayle <roger@eyesopen.com>
5849 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5852 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5854 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5856 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5859 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5860 support COMDAT group.
5861 * configure: Regenerate.
5863 2006-02-14 Roger Sayle <roger@eyesopen.com>
5868 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5870 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5872 Fix PR tree-optimization/26260
5874 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5876 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5877 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5878 * tree-ssa-structalias.c (create_variable_info_for): Use
5879 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5881 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5883 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5885 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5886 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5887 of the ending condition.
5888 * tree-ssa-loop-manip.c: Include params.h.
5889 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5890 tree_unroll_loop): New functions.
5891 * tree-pass.h (pass_loop_prefetch): Declare.
5892 * loop.c (rest_of_handle_loop_optimize): Test for
5893 -fprefetch-loop-arrays-rtl.
5894 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5895 * timevar.def (TV_TREE_PREFETCH): New timevar.
5896 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5897 pass_loop_prefetch): New.
5898 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5899 (cleanup_tree_cfg_loop): Call scev_reset.
5900 * common.opt (fprefetch-loop-arrays-rtl): Add.
5901 * tree-ssa-loop-prefetch.c: New file.
5902 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5903 (new_temp_expr_table): Initialize expr_vars.
5904 (free_temp_expr_table): Cleanup expr_vars.
5905 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5906 expressions from being merged into one.
5907 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5908 (struct tree_niter_desc): Add control, bound and cmp fields.
5909 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5911 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5912 (tree-cfgcleanup.o): Add SCEV_H dependency.
5913 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5914 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5916 2006-02-14 Richard Guenther <rguenther@suse.de>
5918 PR tree-optimization/26258
5919 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5920 in PHI argument processing.
5922 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5924 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5925 new expression in the requested machine mode.
5927 2006-02-13 Roger Sayle <roger@eyesopen.com>
5929 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5930 directly, instead let do_compare_rtx_and_jump handle this for us.
5931 * expr.c (expand_expr_real_1): Likewise.
5932 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5933 before do_jump_by_parts_greater.
5934 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5935 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5937 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5939 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5941 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5943 PR rtl-optimization/26235
5944 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5945 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5948 2006-02-13 Jeff Law <law@redhat.com>
5950 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5953 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5956 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5957 twice if decl is a builtin. When trying again, call get_callee_fndecl
5958 first to verify it is still a builtin.
5960 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5962 * dwarf2out.c (base_type_die): Don't add AT_name here.
5963 (subrange_type_die): Don't add AT_name here.
5964 (modified_type_die): Rearrange code flow. Do add AT_name here.
5966 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5968 PR rtl-optimization/26247
5969 PR rtl-optimization/26248
5970 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5972 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5974 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5975 * config/fixtfdi.c: Likewise.
5976 * config/fixunstfdi.c: Likewise.
5977 * config/floatditf.c: Likewise.
5979 2006-02-13 Roger Sayle <roger@eyesopen.com>
5982 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5983 into (X,C2) if C1 is a subset of the bits of C2. Transform
5984 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5986 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5988 2006-02-13 Josh Conner <jconner@apple.com>
5991 * varasm.c (function_section): Check for section name before
5992 calling select_section on targets that define
5993 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5994 unlikely_text_section instead of hot_function_section if
5995 first_function_block_is_cold.
5997 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6000 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6002 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6004 PR rtl-optimization/26222
6005 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6006 after tree->rtl expansion.
6007 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6008 before passing it to emit_move_insn.
6010 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6012 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6014 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6015 Clarify documentation.
6016 * c-common.h (warn_write_strings): Remove.
6017 * c-common.c (warn_write_strings): Likewise.
6018 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6021 2006-02-12 Roger Sayle <roger@eyesopen.com>
6024 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6025 (do_jump_parts_zero_rtx): New function renamed from
6026 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6027 (do_jump_parts_equality_rtx): New function split out from
6028 do_jump_parts_equality. Old implementation renamed as above.
6029 Call do_jump_parts_zero_rtx if either operand is zero.
6030 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6031 do all of the heavy lifting.
6032 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6033 calling either do_jump_by_parts_greater_rtx or
6034 do_jump_by_parts_equality_rtx.
6035 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6036 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6037 moved to do_compare_rtx_and_jump, call it directly.
6038 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6039 mode argument. Call do_compare_rtx_and_jump.
6040 (emit_case_nodes): Update calls to do_jump_if_equal.
6042 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6044 PR rtl-optimization/26225
6045 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6047 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6049 PR rtl-optimization/26232
6050 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6052 2006-02-11 Jason Merrill <jason@redhat.com>
6055 * tree-inline.c (declare_return_variable): Just don't use the
6056 modify target if it's a gimple complex reg and the return slot
6059 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6061 * doc/contrib.texi: Update my entry.
6063 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6065 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6067 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6069 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6072 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6074 * doc/invoke.texi (-floop-optimize2): Removed.
6075 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6076 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6077 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6078 * common.opt (floop-optimize2): Removed.
6079 (fmove-loop-invariants): Enabled by default.
6081 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6083 * tree-if-conv.c (combine_blocks): Free the result of
6084 get_loop_exit_edges.
6086 2006-02-10 Jeff Law <law@redhat.com>
6088 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6090 PR tree-optimization/26213
6091 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6092 loop trying to follow SSA_NAME_VALUE chains.
6094 2006-02-10 Richard Guenther <rguenther@suse.de>
6096 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6097 deal with structures that end in implicitly variable sized arrays.
6099 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6101 PR rtl-optimization/24762
6102 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6105 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6107 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6108 (struct ivopts_data): Add regs_used field.
6109 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6110 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6111 instead of loop_data->regs_used;
6112 (free_loop_data): Do not free aux fields for loops.
6113 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6114 and tree_ssa_iv_optimize_finalize.
6116 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6118 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6120 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6123 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6124 computing the effective result type.
6126 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6129 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6130 (tree_overlaps_hard_reg_set): Declare.
6131 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6132 type and signature to match function type expected by walk_tree.
6133 (tree_overlaps_hard_reg_set): New function.
6134 (decl_conflicts_with_clobbers_p): Rename to:
6135 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6136 Use tree_overlaps_hard_reg_set. Changed caller.
6137 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6138 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6139 * cris.c (cris_md_asm_clobbers): Likewise.
6141 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6143 * reload1.c (emit_input_reload_insns): Delete code that tries to
6144 inherit using find_equiv_reg.
6146 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6148 * c-common.h (flag_const_strings): Don't declare.
6149 * c-common.c (flag_const_strings): Remove.
6150 * c.opt (fconst_strings): Remove.
6151 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6152 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6153 (c_common_init_options): Don't set flag_const_strings.
6154 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6156 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6158 * arm.md (tlobits_cbranch): New pattern.
6159 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6160 testing a single bit.
6162 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6165 * tree-ssa-pre.c (create_component_ref_by_pieces):
6166 Handle RETURN_DECL like VAR_DECL.
6168 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6171 * fold-const.c (fold_indirect_ref_1): Fold
6172 "*(foo *)&complexfoo" to "__real__ complexfoo"
6173 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6175 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6177 * tree-flow-inline.h (var_can_have_subvars):
6178 Volatile variables should not have subvariables.
6180 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6183 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6184 multiplying unsigned values.
6187 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6189 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6191 2006-02-08 Jason Merrill <jason@redhat.com>
6194 * tree.def: Elaborate on difference from MODIFY_EXPR.
6195 * doc/c-tree.texi (INIT_EXPR): Likewise.
6196 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6197 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6198 (gimplify_target_expr): Likewise.
6199 (gimplify_cond_expr): Remove target handling.
6200 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6201 (gimplify_expr): Clobber it here.
6202 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6203 Do return slot optimization if we have an INIT_EXPR.
6206 * tree-inline.c (declare_return_variable): Also clear
6207 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6210 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6213 * gimplify.c (gimplify_one_sizepos): Fix typo.
6215 2006-02-08 Jeff Law <law@redhat.com>
6217 PR tree-optimization/21417
6218 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6219 across a backedge if the control statement at the end of the
6220 block is data dependent on other statements in the same block.
6221 (record_temporary_equivalences_from_stmts): Remove over-conservative
6222 test for threading across backedges.
6224 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6225 control statement, handle all three special cases in the same
6226 manner as they all have the same desired solution. No longer
6227 special case edge flag updating when the post dominator is
6230 2006-02-08 Roger Sayle <roger@eyesopen.com>
6232 * tree.def (CHAR_TYPE): Remove.
6233 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6234 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6235 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6236 (gen_string_type_die): Delete unreachable function.
6238 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6239 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6240 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6241 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6242 * builtins.c (type_to_class): Likewise.
6243 * fold-const.c (fold_convert, build_range_check,
6244 merge_ranges): Likewise.
6245 * expr.c (count_type_elements): Likewise.
6246 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6247 * stor-layout.c (layout_type): Likewise.
6248 * ipa-type-escape.c (type_to_consider): Likewise.
6249 * gimplify.c (omp_firstprivatize_type_sizes,
6250 gimplify_type_sizes): Likewise.
6251 * explow.c (promote_mode): Likewise.
6252 * tree-sra.c (is_sra_scalar_type): Likewise.
6253 * varasm.c (output_constant): Likewise.
6254 * tree-inline.c (remap_type_1): Likewise.
6255 * convert.c (convert_to_pointer, convert_to_real,
6256 convert_to_integer, convert_to_complex): Likewise.
6258 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6260 * df-scan.c (df_def_record_1): A set destination may
6261 be a parallel regardless of mode.
6263 2006-02-08 Roger Sayle <roger@eyesopen.com>
6266 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6267 * config/mips/_tilib.c: Remove.
6268 * config/fixtfdi.c: New libgcc source file.
6269 * config/fixunstfdi.c: New source file.
6270 * config/floatditf.c: New source file.
6271 * config/floatunditf.c: New souce file.
6272 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6273 files above instead of config/mips/_tilib.c.
6274 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6276 2006-02-08 Jeff Law <law@redhat.com>
6278 PR tree-optimization/26169
6279 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6282 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6284 * df.h (DF_REG_SIZE): Return the length of the initialized
6287 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6289 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6290 __muldf3): Return a correctly signed zero.
6292 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6294 * passes.c (register_one_dump_file): Accept the current properties
6295 instead of pass number. Adjust call to dump_register. Remove
6297 (register_dump_files): Now a wrapper around...
6298 (register_dump_files_1): ... this one. Do not modify the pass
6300 (next_pass_1): Cosmetic fix.
6301 (execute_todo): Keep second parameter only. Use curr_properties
6302 instead of fetching it from the pass structure. Check and set
6304 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6305 instead of fetching it from the pass structure. Fix calls to
6306 execute_todo. Update curr_properties and initialize .vcg RTL dump
6307 after running the pass. Reset last_verified.
6308 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6310 (FIRST_AUTO_NUMBERED_DUMP): New.
6311 (dump_register): Remove "num" parameter, assign it within the
6313 (get_dump_file_name): Modify template for dumps.
6314 * tree-dump.h (dump_register): Adjust prototype.
6315 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6316 (PROP_trees): Add PROP_gimple_lomp.
6317 (TODO_set_props): New.
6318 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6319 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6320 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6322 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6324 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6325 (sparc64-*-linux*): Likewise.
6326 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6327 * config/sparc/t-linux: New file.
6328 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6329 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6330 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6331 -m32 -mlong-double-128.
6333 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6334 * config/alpha/t-linux: New file.
6335 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6337 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6338 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6339 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6340 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6341 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6342 (CPP_ARCH32_SPEC): Remove.
6344 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6346 PR tree-optimization/26145
6347 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6350 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6353 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6354 >= 240000 when generating code for SOM runtime.
6355 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6356 to $$dyncall when generating code for SOM runtime..
6358 2006-02-07 Dirk Mueller <dmueller@suse.com>
6361 * doc/invoke.texi (-Wsequence-point): Update documentation
6362 that -Wsequence-point is implemented for C++ as well.
6364 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6366 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6367 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6368 (LIB_SPEC): Likewise.
6369 * doc/invoke.texi (SPARC options): Document -pthread.
6371 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6373 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6376 2006-02-07 Roger Sayle <roger@eyesopen.com>
6378 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6379 Correct comment describing BOOLEAN_TYPE.
6381 2006-02-07 Dirk Mueller <dmueller@suse.com>
6383 * c.opt: C++ frontend supports -Wdiv-by-zero.
6384 * c-opts.c (c_common_handle_option): Remove dead case.
6386 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6388 * configure.ac (TLS assembler check): Do not enable TLS by
6389 default on SPARC/Solaris before version 10.
6390 * configure: Regenerate.
6392 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6394 * doc/invoke.texi (xl-compat): Document conversion and support
6397 2006-02-07 Jeff Law <law@redhat.com>
6399 * tree-vrp.c (find_conditional_asserts): Update comments.
6400 (simplify_stmt_for_jump_threading): New.
6401 (identify_jump_threads, finalize_jump_threads): New.
6402 (vrp_finalize): Call identify_jump_threads.
6403 (execute_vrp): Call finalize_jump_threads.
6404 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6405 (vrp_element, vrp_data, vrp_element_p): Remove.
6406 (vrp_hash_elt, vrp_variables_stack): Remove.
6407 (vrp_hash, vrp_eq, record_range): Remove.
6408 (simplify_cond_and_lookup_avail_expr): Remove.
6409 (extract_range_from_cond): Remove.
6410 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6411 (simplify_stmt_for_jump_threading): New.
6412 (dom_thread_across_edge): New wrapper.
6413 (tree_ssa_dominator_optimize): No longer initialize or
6414 finalize any of the VRP datastructures. Remove iteration
6415 step and simplify as a result of removal of iteration step.
6416 (pass_dominator): Perform a cfg cleanup after DOM.
6417 (dom_opt_finalize_block): Use the new common routines
6418 for threading jumps. Simplify stack management slightly.
6419 No longer need to unwind VRP state.
6420 (record_equivalences_from_incoming_edge): No longer record
6422 (eliminate_redundant_computations): No longer call
6423 simplify_cond_and_lookup_avail_expr.
6424 * tree-flow.h (potentially_threadable_block): Prototype.
6425 (thread_across_edge): Likewise.
6426 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6427 (tree-ssa-threadedge.o): Add dependencies.
6428 * tree-ssa-threadedge.c: New file.
6429 * passes.c (init_optimization_passes): Merge PHIs before
6430 calling VRP. Run VRP again late in the SSA optimization pipeline.
6432 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6434 * df-core.c (df_set_blocks): Do not dereference function pointers.
6435 (df_finish1): Likewise.
6436 (df_hybrid_search_forward): Likewise.
6437 (df_hybrid_search_backward): Likewise.
6438 (df_iterative_dataflow): Likewise.
6439 (df_analyze_problem): Likewise.
6440 (df_compact_blocks): Likewise.
6441 (df_dump): Likewise.
6442 * df-scan.c (df_rescan_blocks): Likewise.
6443 (df_record_entry_block_defs): Likewise.
6445 * genconditions.c (write_conditions): Guard the definition of
6446 'insn_conditions' with the check on GCC version.
6447 (write_writer): Guard the traversal 'insn_conditions' with
6448 the check on GCC version.
6450 2006-02-07 Richard Guenther <rguenther@suse.de>
6454 2006-01-30 Richard Guenther <rguenther@suse.de>
6456 * gimplify.c (gimplify_target_expr): Handle easy cases
6457 without creating a temporary.
6459 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6461 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6462 use of float in probability computations. Use edge probabilities
6463 in place of statically computed probabilities.
6464 (min_spec_prob): New static variable.
6465 (schedule_insns): Initialize it.
6466 (GET_SRC_PROB): Removed.
6467 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6469 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6472 * config/ia64/unwind-ia64.c: Revert last change.
6473 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6474 (INCOMING_FRAME_SP_OFFSET): Define.
6476 2006-02-06 Roger Sayle <roger@eyesopen.com>
6478 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6480 2006-02-07 Ben Elliston <bje@au.ibm.com>
6482 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6483 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6484 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6485 (ix86_return_in_memory): Handle TDmode.
6486 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6487 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6489 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6491 * reorg.c (dbr_schedule): Use dump_file instead of file.
6493 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6496 * config/ia64/predicates.md (extr_len_operand): New predicate.
6497 * config/ia64/ia64.md (extv): Tighten constraints.
6499 (*tbit_and_2): Ditto.
6500 (*tbit_and_3): Ditto.
6501 (*tbit_or_2): Ditto.
6502 (*tbit_or_3): Ditto.
6506 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6509 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6511 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6513 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6514 loop_optimizer_init and loop_optimizer_finalize
6515 * tree-ssa-sink.c (execute_sink_code): Ditto.
6516 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6517 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6518 tree_ssa_loop_done): Ditto.
6519 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6520 * sched-ebb.c: Include output.h.
6521 (schedule_ebbs): Do not use dump argument.
6522 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6523 * loop.c (loop_dump_stream): Removed.
6524 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6526 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6527 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6528 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6529 loop_iterations, strength_reduce, record_biv, record_giv,
6530 final_giv_value, check_final_value, check_ext_dependent_givs,
6531 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6532 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6533 dump_file instead of loop_dump_stream.
6534 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6536 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6538 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6539 * haifa-sched.c: Include output.h
6540 (schedule_insns, sched_init): Do not use dump argument.
6541 * mode-switching.c (optimize_mode_switching): Ditto.
6542 * modulo-sched.c (stats_file): Removed.
6543 (print_node_sched_params): Do not call argument dump_file.
6544 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6545 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6547 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6549 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6550 rtl_loop_init, rtl_loop_done): Ditto.
6551 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6552 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6554 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6555 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6556 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6557 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6558 * emit-rtl.c (renumber_insns): Ditto.
6559 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6560 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6561 * regclass.c (regclass): Ditto.
6562 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6563 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6564 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6565 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6567 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6568 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6570 * gcse.c (gcse_file, debug_stderr): Removed.
6571 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6572 rest_of_handle_gcse): Do not use dump argument.
6573 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6574 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6575 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6576 compute_code_hoist_vbeinout, compute_code_hoist_data,
6577 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6578 compute_store_table, build_store_vectors, insert_insn_start_bb,
6579 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6580 store_motion): Use dump_file instead of gcse_file.
6581 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6582 * profile.c (profile_dump_file): Removed.
6583 (branch_prob): Use dump_file instead of profile_dump_file.
6584 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6586 * tree-ssa-copy.c (dump_copy_of): Ditto.
6587 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6588 dump file to life_analysis.
6589 * bt-load.c (branch_target_load_optimize): Ditto.
6590 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6592 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6593 regclass, dbr_schedule): Declaration changed.
6594 * sched-int.h (sched_init): Declaration changed.
6595 * tree-profile.c (tree_profile_dump_file): Removed.
6596 (tree_profile_hooks): Removed profile_dump_file hook.
6597 * rtl-profile (rtl_profile_dump_file): Removed.
6598 (rtl_profile_hooks): emoved profile_dump_file hook.
6599 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6601 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6602 * tree-cfg.c (build_tree_cfg): Ditto.
6603 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6604 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6605 Declaration changed.
6606 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6607 life_analysis and schedule_insns.
6608 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6610 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6612 * config/mips/mips.c (mips_reorg): Ditto.
6613 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6616 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6618 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6619 (s390_mangle_fundamental_type): New.
6620 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6623 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6624 (alpha_mangle_fundamental_type): New.
6625 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6628 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6630 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6632 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6633 (sparc_mangle_fundamental_type): New.
6635 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6637 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6638 (s390x-*-linux*): Likewise.
6639 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6640 * config/s390/t-linux: New file.
6642 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6644 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6645 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6647 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6649 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6650 (ANTIC_SAFE_LOADS): New macro.
6651 (find_or_generate_expression): Add prototype.
6652 (set_contains_value): Allow null set for sake of not always having
6653 to allocate ANTIC_SAFE_LOADS.
6654 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6655 Allow COMPONENT_REF too.
6656 (valid_in_set): Allow COMPONENT_REF.
6657 Check ANTIC_SAFE_LOADS too.
6658 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6659 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6661 (can_PRE_operation): Add COMPONENT_REF.
6662 (create_component_ref_by_pieces): New function.
6663 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6664 (insert_aux): Move AGGREGATE_TYPE_P check here.
6665 (compute_avail): Set bb local stmt uids.
6666 (pass_pre): Use TODO_update_ssa_only_virtuals.
6668 2006-02-06 Ben Elliston <bje@au.ibm.com>
6670 * configure.ac: Unconditionally disable decimal float by default.
6671 * configure: Regenerate.
6673 2006-02-06 Ben Elliston <bje@au.ibm.com>
6675 * read-rtl.c (read_name): Terminate reading on EOF.
6677 2006-02-06 Ben Elliston <bje@au.ibm.com>
6679 * dfp.c (decimal_real_arithmetic): Change second argument type
6680 from int to enum tree_code. Do not always return true, but now
6681 return result of any call to decimal_do helper functions.
6682 * dfp.h (decimal_real_arithmetic): Update prototype.
6684 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6686 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6688 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6691 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6694 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6696 * tree-vrp.c (cfg_loops): Removed.
6697 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6698 Use current_loops instead of cfg_loops. Pass flags to
6699 loop_optimizer_init.
6700 * cfgloopmanip.c (fix_loop_structure): Update only available
6702 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6703 loop_optimizer_init.
6704 * modulo-sched.c (build_loops_structure): Removed.
6705 (sms_schedule): Use loop_optimizer_init.
6706 * loop-init.c (loop_optimizer_init): Use flags to determine
6707 which properties of loops to prepare.
6708 (rtl_loop_init): Pass flags to loop_optimizer_init.
6709 * tree-ssa-sink.c (execute_sink_code): Ditto.
6710 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6711 * tree-ssa-pre.c (init_pre): Ditto.
6712 * cfgloop.h (LOOPS_NORMAL): New.
6713 (loop_optimizer_init): Declaration changed.
6715 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6717 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6718 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6720 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6722 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6724 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6725 * pa/t-pa64: Delete quadlib.c rule.
6726 * pa/x-ada: Revert last change.
6727 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6729 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6731 PR rtl-optimization/26087
6732 * rtlanal.c (canonicalize_condition): Do not cross basic block
6735 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6738 * config/ia64/ia64.c: Include debug.h.
6739 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6740 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6741 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6742 (process_epilogue, process_set, process_for_unwind_directive):
6743 Output unwind info only if requested. Add CFA info if requested.
6744 Add new arguments as needed. Adjust callers.
6745 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6747 (DWARF2_FRAME_INFO): Define to zero.
6748 * config/ia64/unwind-ia64.c: Remove code that compensated for
6749 the CFA offset error fixed above.
6750 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6751 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6752 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6753 -funwind-tables and -fexceptions to enable frame info.
6754 (dwarf2out_frame_init): Define initial CFA even if
6755 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6756 DWARF2_UNWIND_INFO is nonzero, not just defined.
6757 (dwarf2out_frame_finish): Output non-EH call frame info only
6758 if DWARF2_FRAME_INFO is nonzero.
6759 (convert_cfa_to_loc_list,
6760 compute_frame_pointer_to_cfa_displacement): Define even if
6761 unwind info is not supported.
6762 (gen_subprogram_die): Use the above unconditionally. Remove
6763 legacy alternate code.
6764 * toplev.c (compile_file): Compile in call to
6765 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6766 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6768 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6769 Jakub Jelinek <jakub@redhat.com>
6771 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6772 IBM extended float format long double as "g" on powerpc*-linux.
6774 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6777 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6778 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6780 2006-02-03 Jason Merrill <jason@redhat.com>
6783 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6786 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6787 on the return slot if it's an NRV.
6789 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6791 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6792 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6793 rewrite_use): Do not handle USE_OUTER.
6794 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6795 add_iv_outer_candidates, may_replace_final_value,
6796 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6797 (find_interesting_uses_op): Functionality of
6798 find_interesting_uses_outer_or_nonlin moved here.
6799 (find_interesting_uses_outside): Use find_interesting_uses_op.
6801 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6804 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6806 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6807 Ulrich Weigand <uweigand@de.ibm.com>
6810 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6811 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6812 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6813 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6815 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6816 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6817 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6818 Define secondary reloads for TFmode moves.
6819 (constant_modes): Add TFmode.
6820 (NR_C_MODES): Set to 8.
6821 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6823 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6824 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6825 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6826 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6827 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6828 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6829 (FPR mode macro): Add TFmode.
6830 (DSF mode macro): New.
6831 (<de>, <dee> mode attributes): Removed.
6832 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6833 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6834 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6835 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6836 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6837 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6838 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6839 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6840 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6841 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6842 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6843 "*negabs<mode>2", "sqrt<mode>2"):
6844 Changed <de> to <xde>. R constraint replaced by <Rf>.
6845 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6847 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6848 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6849 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6851 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6852 "extenddftf2", "extendsftf2"): New expanders.
6853 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6854 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6855 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6856 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6858 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6859 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6860 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6861 __floatditf): Add a GCC_4.1.0 symbol version tag.
6862 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6865 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6868 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6869 Use targetm.binds_local_p instead of TREE_PUBLIC.
6871 2006-02-02 Roger Sayle <roger@eyesopen.com>
6873 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6874 on INTEGER_TYPEs to indicate that it denotes a character type.
6875 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6876 signed_char_type_node, unsigned_char_type_node and char_type_node.
6877 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6878 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6879 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6881 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6882 Daniel Berlin <dberlin@dberlin.org>
6884 * tree-tailcall.c (arg_needs_copy_p): New function.
6885 (eliminate_tail_call): Use arg_needs_copy_p.
6886 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6887 (add_virtual_phis): New function.
6889 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6891 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6892 #ignore instead of #scratch for %g7 .register directive.
6894 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6896 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6899 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6901 * flow.c (calculate_global_regs_live): Assert that there aren't any
6904 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6906 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6908 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6909 bsi_after_labels iterator.
6910 * tree-if-conv.c (find_phi_replacement_condition,
6911 replace_phi_with_cond_modify_expr): Likewise.
6912 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6913 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6915 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6917 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6919 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6922 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6923 array after growing it.
6925 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6928 * fold-const.c (fold_checksum_tree): Change type of buf.
6930 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6932 * reload.c (push_secondary_reload): Initialize t_icode.
6934 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6936 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6937 -msoft-float -mlong-double-128 only issue a warning, but don't
6938 swich to DFmode long double.
6940 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6942 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6943 has a constant equivalent, iterate over equivalents for arg0,
6944 calling simplify_relational_operation and if there's a result
6945 cheaper than X, apply fold_rtx and return the result.
6947 2006-02-01 Jan Hubicka <jh@suse.cz>
6949 * opts.c (no_unit_at_a_time_default): New global variable.
6950 (decode_options): Use it.
6951 * opts.h (no_unit_at_a_time_default): Declare.
6953 2006-02-01 Paul Brook <paul@codesourcery.com>
6955 * function.c (assign_parm_setup_reg): Use function argument promotion
6957 * expr.c (expand_expr_real_1): Use function argument promotion rules
6960 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6962 * gcc.c (process_command): Change j to 'unsigned int'.
6964 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6967 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6968 Use the corrected index for the character
6969 out of the string constant.
6971 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6973 * mode-switching.c (optimize_mode_switching): Fix size
6974 allocated for bb_info[n_entities].
6976 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6978 * gcc.c (main): Correct type that is allocated for
6979 explicit_link_files.
6981 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6983 * config/s390/s390.c (init_alignment_context): Set
6984 ALIAS_SET_MEMORY_BARRIER on the MEM.
6985 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6987 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6990 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6992 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6995 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6997 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6998 * regrename.c: Ditto.
6999 * tree-ssa-loop-im.c: Ditto.
7000 * tree-dump.c: Ditto.
7001 * tree-complex.c: Ditto.
7002 * genrecog.c: Ditto.
7003 * tree-ssa-threadupdate.c: Ditto.
7005 * java/class.c: Ditto.
7006 * java/jcf-parse.c: Ditto.
7007 * java/resource.c: Ditto.
7008 * java/except.c: Ditto.
7009 * java/jvspec.c: Ditto.
7010 * java/jcf-write.c: Ditto.
7011 * java/jcf-path.c: Ditto.
7012 * java/gjavah.c: Ditto.
7013 * java/zextract.c: Ditto.
7014 * java/jcf-io.c: Ditto.
7015 * java/jcf.h: Ditto.
7016 * java/buffer.c: Ditto.
7017 * java/lang.c: Ditto.
7018 * java/parse-scan.y: Ditto.
7019 * java/lex.c: Ditto.
7020 * java/lex.h: Ditto.
7021 * cfgloopmanip.c: Ditto.
7022 * postreload-gcse.c: Ditto.
7023 * tree-ssa-loop-manip.c: Ditto.
7024 * postreload.c: Ditto.
7025 * tree-ssa-loop-ch.c: Ditto.
7029 * diagnostic.c: Ditto.
7031 * genoutput.c: Ditto.
7033 * cfghooks.c: Ditto.
7034 * cfgloopanal.c: Ditto.
7035 * objc/objc-act.c: Ditto.
7037 * genextract.c: Ditto.
7038 * genautomata.c: Ditto.
7039 * pretty-print.c: Ditto.
7041 * cgraphunit.c: Ditto.
7044 * haifa-sched.c: Ditto.
7045 * dominance.c: Ditto.
7047 * tree-ssa-loop-ivopts.c: Ditto.
7049 * mode-switching.c: Ditto.
7050 * modulo-sched.c: Ditto.
7052 * ipa-pure-const.c: Ditto.
7054 * fix-header.c: Ditto.
7056 * tree-stdarg.c: Ditto.
7057 * ipa-utils.c: Ditto.
7058 * loop-init.c: Ditto.
7059 * ipa-inline.c: Ditto.
7062 * alloc-pool.c: Ditto.
7063 * dwarf2out.c: Ditto.
7065 * genattrtab.c: Ditto.
7066 * tree-ssa-loop-ivcanon.c: Ditto.
7070 * fortran/gfortranspec.c: Ditto.
7072 * local-alloc.c: Ditto.
7073 * langhooks.c: Ditto.
7074 * function.c: Ditto.
7075 * tree-vectorizer.c: Ditto.
7077 * ipa-type-escape.c: Ditto.
7079 * tree-if-conv.c: Ditto.
7082 * tree-data-ref.c: Ditto.
7083 * loop-unroll.c: Ditto.
7084 * treelang/treetree.c: Ditto.
7087 * ggc-common.c: Ditto.
7089 * coverage.c: Ditto.
7091 * tree-cfgcleanup.c: Ditto.
7092 * tree-ssa-pre.c: Ditto.
7093 * cfgcleanup.c: Ditto.
7094 * loop-invariant.c: Ditto.
7096 * ipa-prop.c: Ditto.
7097 * print-tree.c: Ditto.
7098 * conflict.c: Ditto.
7099 * ggc-page.c: Ditto.
7100 * sched-deps.c: Ditto.
7101 * regclass.c: Ditto.
7102 * tree-object-size.c: Ditto.
7104 * bb-reorder.c: Ditto.
7105 * resource.c: Ditto.
7106 * var-tracking.c: Ditto.
7108 * df-problems.c: Ditto.
7109 * reg-stack.c: Ditto.
7112 * sched-rgn.c: Ditto.
7113 * tree-ssa-structalias.c: Ditto.
7114 * tree-ssa-reassoc.c: Ditto.
7115 * config/darwin-c.c: Ditto.
7116 * config/darwin.c: Ditto.
7117 * config/arm/arm.c: Ditto.
7119 * collect2.c: Ditto.
7122 2006-01-31 Nicolas Pitre <nico@cam.org>
7124 * arm.md (smaxsi3): Make aware of smax_m1.
7127 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7129 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7131 2006-01-31 Richard Guenther <rguenther@suse.de>
7133 * doc/invoke.texi (-msselibm): Document.
7134 * target.h (expand_library_builtin): New target hook.
7135 * builtins.c (expand_builtin): Use expand_library_builtin.
7136 (default_expand_library_builtin): New function.
7137 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7138 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7139 (link_gcc_math_spec): Declare.
7140 (static_specs): Add link_gcc_math_spec.
7141 * expr.h (default_expand_library_builtin): Declare.
7142 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7143 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7144 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7145 * config/i386/i386.opt (msselibm): New target option.
7146 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7147 (ix86_init_sse_abi_builtins): New function.
7148 (ix86_expand_library_builtin): Likewise.
7149 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7150 (override_options): Handle error conditions wrt -msselibm.
7151 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7152 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7153 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7156 2006-01-31 Richard Guenther <rguenther@suse.de>
7157 Paolo Bonzini <bonzini@gnu.org>
7159 * doc/install.texi (--disable-libgcc-math): Document.
7161 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7163 * expr.h (expand_normal): new inline function.
7164 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7166 * dwarf2out.c: use it.
7171 * config/sparc/sparc.c: use it.
7172 * config/i386/i386.c: use it.
7173 * config/rs6000/rs6000.c: use it.
7174 * config/arm/arm.c: use it.
7175 * config/mips/mips.c: use it.
7176 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7178 2006-01-30 Roger Sayle <roger@eyesopen.com>
7180 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7181 argv to the appropriate type.
7183 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7185 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7188 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7191 * config/s390/s390.c (struct machine_function): New flag
7192 decomposed_literal_pool_addresses_ok_p.
7193 (s390_reorg): Set it before final stage of literal pool transforms.
7194 (s390_decompose_address): Only accept displacements of the form
7195 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7197 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7199 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7200 the comparison routine return.
7202 2006-01-30 Michael Matz <matz@suse.de>
7204 * global.c (find_reg): Only evict for global regs.
7205 Take n_refs into account and dump more info.
7207 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7210 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7211 (pragma_trap, pragma_nosave_low_regs): Likewise.
7212 (current_function_anonymous_args): Likewise.
7213 (sh_deferred_function_attributes): New variable.
7214 (sh_deferred_function_attributes_tail): Likewise.
7215 (print_operand): For '@', look up trap_exit attribute.
7216 (calc_live_regs): Look up trapa_handler attribute. For trapa
7217 handlers, save/restore fpscr, but don't do any other
7218 interrupt-specific saves.
7219 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7220 Fix check for partially saved registers to check for SHmedia.
7221 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7222 (sh_output_function_epilogue): Don't clear any of the removed
7224 (sh_insert_attributes): Don't check pragma_interrupt.
7225 Insert deferred attributes. Check that interrupt attribute is
7226 present for other attributes that require its presence.
7227 (sh_attribute_table): Add new attributes trapa_handler and
7229 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7230 Don't check for pragma_interrupt. Don't store argument.
7231 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7232 (sh_deferred_function_attributes): Declare.
7233 (sh_deferred_function_attributes_tail): Likewise.
7234 * sh.md (sp_switch_1): Add operand. Change generator caller.
7235 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7236 (*return_i): Don't use when trap_exit attribute is in effect.
7237 (*return_trapa): New insn pattern.
7239 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7240 setting c_target_objs and cxx_target_objs.
7241 * t-sh: Add rule for sh-c.o.
7243 2006-01-30 Richard Guenther <rguenther@suse.de>
7246 * gimplify.c (gimplify_target_expr): Handle easy cases
7247 without creating a temporary.
7249 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7251 * vec.h (safe_grow): Remove duplicated line.
7253 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7256 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7257 (expand_omp): ... here.
7258 (expand_omp_parallel): Only remove barriers for combined
7259 parallel+workshare constructs.
7261 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7265 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7266 * tree.c (build_qualified_type): Chain the new type to the original
7267 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7268 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7269 (build_pointer_type_for_mode): Only return unqualified types.
7270 (build_reference_type_for_mode): Likewise.
7272 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7274 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7275 * Makefile.in (CXX_COMPAT_WARN): Define.
7276 * configure: Regenerate.
7278 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7281 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7284 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7286 * toplev.c: Fix thinko.
7288 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7289 Marcin Dalecki <martin@dalecki.de>
7291 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7292 (push_srcloc): Use XNEW.
7293 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7295 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7297 * df-core.c (df_set_blocks): Deleted all variable.
7299 2006-01-28 Ian Lance Taylor <ian@airs.com>
7301 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7302 cgraph_output_pending_asms.
7304 2006-01-28 Zack Weinberg <zackw@panix.com>
7306 * c.opt: Add -W(no-)overlength-strings.
7307 * doc/invoke.texi: Document it.
7308 * c-opts.c (c_common_handle_option): -pedantic implies
7309 -Woverlength-strings, if not explicitly disabled already.
7310 (c_common_post_options): -Woverlength-strings defaults to off, and
7311 is always off for C++.
7312 * c-common.c (fix_string_type): Issue warning about strings longer
7313 than is portable only if warn_overlength_strings. Rearrange code
7314 a little for clarity.
7315 * configure.in: Check for -Wno-overlength-strings as well before
7316 enabling -pedantic in stage 1.
7317 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7318 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7320 * genconditions.c (write_header, write_one_condition)
7321 (write_conditions, write_writer): Consolidate very long strings
7322 that were broken up to fit in C89 portable limit. Don't use
7323 printf when fputs will do.
7325 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7327 * combine.c (simplify_comparison <AND>): Check
7328 TRULY_NOOP_TRUNCATION before start using a subreg.
7330 * config/mips/mips.md (*branch_zero<mode>,
7331 *branch_zero<mode>_inverted, *branch_equality<mode>,
7332 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7333 Remove mode check from comparisons.
7335 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7337 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7339 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7341 * expmed.c (const_mult_add_overflow_p): Remove.
7342 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7344 * recog.c (validate_replace_rtx_subexp): Remove.
7345 * recog.h: Remove the prototype for
7346 validate_replace_rtx_subexp.
7348 * integrate.h: Remove the prototype for
7349 copy_decl_for_inlining.
7350 * rtl.h: Remove the prototype for mark_constant_function.
7351 * tree-vectorizer.h: Remove the prototype for
7352 vect_strip_conversion.
7354 * modulo-sched.c (create_partial_schedule,
7355 free_partial_schedule, reset_partial_schedule): Make them
7358 * hooks.c (hook_bool_rtx_int_false): Remove.
7359 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7361 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7363 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7364 and -mlong-double-128 are incompatible.
7365 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7366 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7367 (TARGET_LIBGCC2_CFLAGS): Define.
7368 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7369 (TARGET_LIBGCC2_CFLAGS): Same.
7370 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7372 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7375 * c-typeck.c (build_binary_op): Perform implicit casts of
7376 operands before shortening them.
7378 * cfgloopmanip.c (split_loop_bb): Remove.
7379 * cfgloop.h: Remove the prototype for split_loop_bb.
7381 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7382 * cfgloop.h: Remove the prototype for
7383 flow_loop_outside_edge_p.
7385 * emit-rtl.c (init_virtual_regs): Make it static.
7386 * function.h: Remove the prototype for init_virtual_regs.
7388 * recog.c (peephole2_optimize): Make it static.
7389 * recog.h: Remove the prototype for peephole2_optimize.
7391 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7393 * df-scan.c (df_record_entry_block_defs): Check if
7394 INCOMING_RETURN_ADDR_RTX is defined.
7396 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7397 Kenneth Zadeck <zadeck@naturalbridge.com>
7399 PR rtl-optimization/24762
7400 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7401 * targhooks.c (hook_void_bitmap): New hook prototype.
7402 * targhoohs.h (hook_void_bitmap): Ditto.
7403 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7404 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7405 * target.h (live_on_entry): New function pointer.
7406 * df-scan.c (df_all_hard_regs): Removed.
7407 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7408 (df_scan_free_internal): Added df->entry_block_defs.
7409 (df_scan_alloc): Ditto.
7410 (df_scan_dump): Ditto.
7411 (df_uses_record): Plumbed flag field properly thru calls.
7412 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7413 This part fixes PR24762.
7414 (df_bb_refs_record): Added code to make the frame and arg
7415 pointers live in EH blocks.
7416 (df_refs_record): Added call to df_record_entry_block_defs.
7417 (df_record_entry_block_defs): New function.
7418 * df-core.c: Added comments to describe new artifical defs.
7419 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7420 (entry_block_defs): New field in struct df.
7421 (df_all_hard_regs): Deleted.
7422 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7423 * df-problems.c (df_ru_bb_local_compute_process_def):
7424 Added code to handle artifical defs in the entry to a function.
7425 (df_ru_bb_local_compute): Ditto.
7426 (df_rd_bb_local_compute_process_def): Ditto.
7427 (df_rd_bb_local_compute): Ditto.
7428 (df_lr_bb_local_compute): Ditto.
7429 (df_ur_bb_local_compute): Ditto.
7430 (df_urec_bb_local_compute): Ditto.
7431 (df_chain_create_bb): Ditto.
7432 (df_ur_local_finalize): Removed entry.
7433 (df_urec_init): Ditto.
7434 (df_urec_local_finalize): Ditto.
7435 (df_ri_bb_compute): Added detection of last use of pseudos.
7436 * Makefile.in (df-scan.o): Updated dependencies.
7437 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7438 * config/mips/mips.c (mips_set_live_on_entry): Added.
7439 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7441 * dce.c (marked_insn_p): Added code to handle artifical defs.
7443 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7445 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7447 (_mm_cvtsi128_si64): Likewise.
7448 (_mm_cvtsd_si64): Likewise.
7449 (_mm_cvttsd_si64): Likewise.
7450 (_mm_cvtsi64_sd): Likewise.
7451 (_mm_cvtsi64_si128): Likewise.
7452 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7453 (_mm_cvtsi64_m64): Likewise.
7454 (_m_to_int64): Likewise.
7455 (_mm_cvtm64_si64): Likewise.
7456 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7457 (_mm_cvttss_si64): Likewise.
7458 (_mm_cvtsi64_ss): Likewise.
7459 (_mm_cvtss_f32): Likewise.
7461 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7463 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7464 for pragma redefine_extname.
7466 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7469 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7470 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7471 -mno-minimal-toc to previous content.
7472 (bispecs): Remove goal.
7473 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7474 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7475 compatibility aliases on powerpc-*-*gnu*.
7476 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7477 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7478 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7479 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7480 (ldblspecs): New goal.
7481 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7482 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7484 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7485 L_sf_to_tf or L_df_to_tf is defined.
7487 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7488 Alan Modra <amodra@bigpond.net.au>
7491 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7492 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7493 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7494 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7495 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7496 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7497 (rs6000_override_options): Initialize rs6000_ieeequad.
7498 Initialize TFmode format to ibm_extended_format if not
7500 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7502 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7503 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7504 (function_arg_advance): IBM long double passed in two FPRs, not
7506 (function_arg): IBM long double passed in FPRs.
7507 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7508 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7509 Only multireg GPR aligned.
7510 (rs6000_init_libfuncs): Enable IBM long double functions if not
7512 (rs6000_generate_compare): Use IBM long double compare if not
7514 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7515 (TARGET_IEEEQUAD): Define.
7516 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7517 not TARGET_IEEEQUAD.
7518 * config/rs6000/rs6000.md: Enable TFmode patterns if
7520 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7521 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7522 and -mlong-double-128 are incompatible.
7523 * doc/invoke.texi (-mabi): Collect options together. Add
7524 ibmlongdouble and ieeelongdouble.
7526 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7528 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7530 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7531 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7532 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7533 * rtl.h (rtunion_def): Remove rt_ptr.
7535 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7536 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7537 * config/i386/winnt.c (i386_pe_mark_dllexport)
7538 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7540 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7542 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7544 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7548 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7549 pthread_key_delete. From John David Anglin. gthrw-ify
7550 pthread_getunique_np only if it it's not a macro. Delete
7552 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7553 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7554 __gthread_objc_condition_signal, __gthread_key_delete): Add
7555 "__attribute__ ((__unused__))" to unused arguments.
7556 (__gthread_recursive_mutex_init_function): Add missing return.
7557 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7558 gthr-posix95.h: Use macro-based approach for name redirection
7559 on targets missing weakref.
7561 2006-01-26 Zack Weinberg <zackw@panix.com>
7563 * genconditions.c (write_header): In generated code, #ifdef out
7564 all includes and fake declarations, except includes of bconfig.h
7565 and system.h, unless GCC_VERSION >= 3001. Do not include
7566 gensupport.h in any case.
7567 (write_conditions): Generate a definition of struct c_test. Add
7568 a comment to the generated #endif.
7569 (write_one_condition): Escape backslashes in string too.
7570 (write_writer): Generated code must escape backslashes and quote
7571 marks (but not newlines) in the strings it writes.
7572 * Makefile.in (build/gencondmd.o): Update dependencies.
7574 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7577 * Makefile.in (insn-automata.o): Add header file dependencies.
7578 * genautomata.c: Add includes.
7580 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7583 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7585 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7587 * configure.ac: Expect target tools paths to be passed from the toplevel
7588 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7590 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7592 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7595 * c.opt (Wpointer-sign): Init to -1.
7596 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7597 OPT_pedantic, to 0 otherwise.
7598 * doc/invoke.texi: Update.
7600 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7602 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7603 constants provided by 80387 instructions in the destination mode.
7605 2006-01-26 Richard Guenther <rguenther@suse.de>
7606 Andrew Pinski <pinskia@physics.uc.edu>
7609 partial PR tree-opt/17064
7610 * tree-ssa-structalias.c (intra_create_variable_infos):
7611 Create heap variables for incoming parameters if
7612 flag_argument_noalias > 1.
7613 (find_what_p_points_to): Look through default defs of
7616 2006-01-26 Jeff Law <law@redhat.com>
7619 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7620 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7621 within the VR_RANGE, use the VR_RANGE as the result, not the
7623 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7624 bounds for the type.
7626 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7628 * tree-ssa-alias.c (maybe_create_global_var): Change
7629 subvar walking to an assertion that we don't have subvar'd variables.
7631 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7634 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7635 Use a new variable, inner. PARM_DECLs are always non-weak.
7637 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7639 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7642 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7644 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7646 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7648 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7649 (smax_insn, smin_insn, smax_0, smin_0): New.
7651 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7654 * config/cris/cris.c (cris_order_for_addsi3): New function.
7655 * config/cris/cris-protos.h: Prototype it.
7656 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7657 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7658 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7659 (split for "op.S1 [rx=rx+i],ry (swapped)")
7660 (split for "op(s|u).S1 [rx=rx+i],ry")
7661 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7662 Apply cris_order_for_addsi3 when generating addsi3 insns.
7664 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7666 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7667 (TREE_BLOCK): Add call to EXPR_CHECK.
7669 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7672 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7673 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7674 (dump_omp_clauses): ... here.
7675 (dump_generic_node): Handle OMP_CLAUSE.
7676 * tree.c (omp_clause_num_ops): New.
7677 (omp_clause_code_name): New.
7678 (tree_code_size): Handle OMP_CLAUSE.
7679 (tree_size): Likewise.
7680 (make_node): Document handling of OMP_CLAUSE.
7681 (tree_node_structure): Handle OMP_CLAUSE.
7682 (omp_clause_check_failed): New.
7683 (omp_clause_range_check_failed): New.
7684 (omp_clause_operand_check_failed): New.
7685 (build_omp_clause): New.
7686 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7687 * tree.h (enum omp_clause_code): Declare.
7688 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7689 (OMP_CLAUSE_RANGE_CHECK): Define.
7690 (OMP_CLAUSE_ELT_CHECK): Define.
7691 (omp_clause_check_failed): Declare.
7692 (omp_clause_operand_check_failed): Declare.
7693 (omp_clause_range_check_failed): Declare.
7694 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7695 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7696 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7697 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7698 (OMP_CLAUSE_IF_EXPR): Likewise.
7699 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7700 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7701 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7702 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7703 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7704 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7705 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7706 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7707 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7708 (OMP_CLAUSE_CODE): Define.
7709 (OMP_CLAUSE_SET_CODE): Define.
7710 (OMP_CLAUSE_CODE): Define.
7711 (OMP_CLAUSE_OPERAND): Define.
7712 (struct tree_omp_clause): Declare.
7713 (union tree_node): Add field 'omp_clause'.
7714 * treestruct.def (TS_OMP_CLAUSE): Define.
7715 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7716 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7717 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7718 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7719 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7720 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7721 (OMP_CLAUSE): Define.
7722 * print-tree.c (print_node): Handle OMP_CLAUSE.
7723 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7724 * c-typeck.c: Likewise.
7725 * gimplify.c: Likewise.
7726 * c-omp.c: Likewise.
7727 * tree-nested.c: Likewise.
7728 * tree-inline.c: Likewise.
7729 * c-parser.c: Likewise.
7730 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7733 2006-01-25 Roger Sayle <roger@eyesopen.com>
7735 PR rtl-optimization/25703
7736 * combine.c (try_combine): Handle zero_extract and strict_low_part
7737 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7739 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7741 * global.c: Fix comment typos.
7743 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7746 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7747 Use output_addr_const instead of assemble_name.
7749 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7751 * Makefile.in (sched-vis.o): Update dependencies.
7752 * haifa-sched.c (sched_finish): Clear current_sched_info.
7753 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7754 (dump_flow_info): Call it.
7755 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7757 * basic-block.h (dump_bb_info): Declare.
7758 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7759 option, and apply options only for dump files whose TDF_RTL,
7760 TDF_TREE, or TDF_IPA bits match.
7761 * rtl.h: Declare new functions exported from sched-vis.c.
7762 * sched-vis.c: Enable also if scheduling is not used.
7763 (print_value): Print the mode of registers if not inside scheduling.
7764 (print_insn): Make it work outside the scheduler. Beautify the output
7766 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7768 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7770 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7771 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7772 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7773 depending on the value of CONSTANT_POOL_ADDRESS_P.
7774 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7776 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7777 rather than SYMBOL_REF_DECL.
7778 (rtx_constant_pool): Remove const_rtx_sym_htab.
7779 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7780 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7781 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7782 Remove handling of const_rtx_sym_htab.
7783 (find_pool_constant): Delete.
7784 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7785 rather than find_pool_constant.
7786 (get_pool_constant_for_function): Delete.
7787 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7789 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7790 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7791 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7792 (SYMBOL_REF_CONSTANT): New macro.
7793 (get_pool_constant_for_function): Delete.
7794 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7795 rather than SYMBOL_REF_DECL.
7796 (i386_pe_mark_dllimport): Likewise.
7797 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7798 rather than SYMBOL_REF_DECL.
7799 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7800 (machopic_indirect_call_target): Likewise.
7802 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7804 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7806 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7808 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7810 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7812 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7814 2006-01-24 David Daney <ddaney@avtrex.com>
7817 * configure.ac (enable_tls): New enable option.
7818 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7819 * configure: Regenerate.
7820 * doc/install.texi (--enable-tls): Document new option.
7821 (--disable-tls): Ditto.
7823 2006-01-24 Richard Henderson <rth@redehat.com>
7825 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7826 * alias.c (true_dependence): Respect it.
7827 (canon_true_dependence, write_dependence_p): Likewise.
7828 * builtins.c (get_builtin_sync_mem): Set it.
7830 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7832 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7835 2006-01-24 DJ Delorie <dj@redhat.com>
7837 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7838 for storing constants in single-bit bitfields.
7840 2006-01-25 Ben Elliston <bje@au.ibm.com>
7842 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7844 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7847 * tree-ssa-pre.c (phi_translate): Return NULL
7848 for AGGREGATE_TYPE's.
7850 2006-01-24 Zack Weinberg <zackw@panix.com>
7852 * genautomata.c (process_state_for_insn_equiv_partition):
7853 Use xcalloc for insn_arcs_array.
7854 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7855 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7857 2006-01-24 Richard Henderson <rth@redhat.com>
7859 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7862 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7864 PR rtl-optimization/25890
7865 PR rtl-optimization/25905
7866 * combine.c (expand_compound_operation, expand_field_assignment):
7867 Fail if the bitfield's final position is out of bounds.
7869 2006-01-24 Ian Lance Taylor <ian@airs.com>
7872 * cgraphunit.c (cgraph_output_in_order): Don't clear
7873 cgraph_asm_nodes until after asm strings have been output.
7875 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7877 * fix-header.c (read_scan_file): Add new parameter imultilib when
7878 calling register_include_chains.
7880 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7882 * omp-low.c: Update documentation.
7884 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7885 Daniel Berlin <dberlin@dberlin.org>
7889 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7890 return from the function.
7892 2006-01-22 Zack Weinberg <zackw@panix.com>
7894 * rtl.def (match_code): Add second argument.
7895 * genpreds.c (write_extract_subexp): New function.
7896 (write_match_code): Add path argument. Use write_extract_subexp.
7897 (write_predicate_expr): Pass path to write_match_code.
7898 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7899 not perform a mode test.
7900 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7901 a subexpression does not constrain the top-level code set.
7902 * read-rtl.c (read_rtx_variadic): New function.
7903 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7904 * doc/md.texi: Document new notation.
7905 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7906 (cmpsi_operand): ... here, using new notation.
7908 2006-01-22 Zack Weinberg <zackw@panix.com>
7910 * varray.c: Remove GENERATOR_FILE #ifdefs.
7912 2006-01-22 Zack Weinberg <zackw@panix.com>
7914 * genautomata.c (output_reserved_units_table): Emit nothing if
7915 description->query_units_num is zero. Remove extra blank line.
7916 (output_cpu_unit_reservation_p): Short circuit
7917 if description->query_units_num is zero.
7919 2006-01-22 Zack Weinberg <zackw@panix.com>
7921 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7922 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7923 nor any of the random handful of variables that used to be necessary
7924 when this program was linked with rtlanal.o. Prune set of forward
7925 function declarations.
7926 (struct attr_desc): Remove static_p field.
7927 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7928 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7929 (attr_string): Do not read the character one past the length of
7931 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7932 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7933 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7934 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7935 (make_automaton_attrs): New.
7936 (main): Do not call into genautomata. Call local gen_bypass
7937 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7938 Remove special case for insn_alts.
7939 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7940 varray.h (leftover from previous change). Prune set of forward
7941 function declarations. Remove state_alts fields from all
7942 structures. Remove state_alts_table from struct automaton.
7943 Make everything except main static. Do not maintain num_dfa_decls.
7944 Do not maintain state_alts fields of various structures.
7945 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7946 (add_arc): Remove state_alts argument. All callers updated.
7947 (output_reserved_units_table): Emit #ifdef here...
7948 (output_tables): ...not here. Don't generate state_alts tables.
7949 (expand_automata): Don't generate attributes.
7950 (write_automata): Don't generate state_alts functions.
7951 (main): New function.
7952 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7953 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7954 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7955 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7956 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7957 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7958 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7959 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7961 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7962 * genattrtab.h: Delete file.
7963 * Makefile.in (OBJS-common): Add insn-automata.o.
7964 (insn-automata.o): New rule.
7965 (simple_generated_c): Add insn-automata.c.
7966 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7967 (genprogmd): Add automata.
7968 (build/genattrtab): Needs no extra objects nor libraries.
7969 (build/genautomata): Needs build/vec.o and -lm.
7971 2006-01-22 Zack Weinberg <zackw@panix.com>
7973 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7974 (output_dfa_max_issue_rate, locked_states_num): Delete.
7975 (struct automaton): Add locked_states field.
7976 (output_dead_lock_vect): Save number of locked states in
7977 automaton->locked_states. If it is zero, don't print anything.
7978 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7979 (output_internal_dead_lock_func): Only test the dead_lock_vect
7980 for automata that have locked states.
7981 (output_statistics): Always print the number of locked states for
7982 each automaton. Calculate total number of locked states here.
7983 (write_automata): Don't call output_dfa_max_issue_rate.
7984 * genattrtab.c: Define length_unit_log as a const variable.
7985 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7986 max_insn_queue_index const.
7987 * final.c (length_unit_log): Declare const.
7988 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7990 2006-01-22 Zack Weinberg <zackw@panix.com>
7992 * genautomata.c: Include vec.h, not varray.h.
7993 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7994 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7995 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7996 VEC_* macros operating on appropriately typed vectors, or to
7997 malloced arrays when the size is known in advance. Const-ify
7998 many char* variables and function arguments. No functional changes.
7999 * Makefile.in (build/varray.o): Delete rule.
8000 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8001 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8003 2006-01-22 Zack Weinberg <zackw@panix.com>
8005 * gensupport.c: Define get_insn_name and record_insn_name here.
8006 (read_md_rtx): Call record_insn_name as appropriate.
8007 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8008 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8009 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8011 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8012 (BUILD_VARRAY): Delete.
8013 (genprognormal): Rename genprogmd. Fold in all programs from
8014 genprognoprint; also attrtab.
8015 (build/genattrtab): Just mention genautomata.o and varray.o.
8016 Reorganize a bit, add comments to make the categories clearer.
8018 2006-01-22 Zack Weinberg <zackw@panix.com>
8020 * genconditions.c (condition_table, add_condition): Delete.
8021 (write_conditions): Don't emit n_insn_conditions nor
8022 insn_elision_unavailable. Issue the gcc version #ifdef here,
8023 inside the table, with no #else clause ...
8024 (write_header): ...not here.
8025 (write_writer): New function.
8026 (main): Don't initialize condition_table. Use add_c_test.
8028 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8029 files on the command line.
8030 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8031 Return -1 if there is no entry in the table, don't abort.
8032 (add_c_test, traverse_c_tests): New functions.
8033 * gensupport.h (insn_elision_unavailable, insn_conditions)
8034 (n_insn_conditions): Delete declarations.
8035 (add_c_test, traverse_c_tests): Declare.
8036 * read-rtl.c: Include gensupport.h.
8037 (read_conditions): New function.
8038 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8039 (read_rtx_1): If we get EOF when we were looking for an initial
8040 open paren, return 0. Call read_conditions when appropriate.
8041 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8042 dummy-conditions.o. Eliminate references to insn-conditions.o,
8043 or change them to build/gencondmd.o, as appropriate. Remove
8044 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8045 from $(simple_generated_c). For all files remaining in those
8046 two lists, add insn-conditions.md to the generator command line.
8047 Give insn-constants.h/s-constants their own rules. Add rules
8048 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8049 (build/read-rtl.o): Depend on gensupport.h.
8050 (genprognormal): Include preds.
8051 (genprogearly): Rename genprognoprint; only difference is now that
8052 they don't link with $(BUILD_PRINT).
8053 * dummy-conditions.c: Delete.
8055 2006-01-22 Zack Weinberg <zackw@panix.com>
8057 * genextract.c: Don't include insn-config.h. Do include vec.h.
8058 Declare vectors of int, char, and locstr.
8059 (locstr): New typedef.
8060 (struct extraction): Make all array fields into bare pointers.
8061 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8062 (insn_code_number): Delete.
8063 (accum_extract): New struct.
8064 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8065 (gen_insn): Take insn_code_number as an argument. Use an
8066 accum_extract structure instead of loading data directly into
8067 a struct extraction, and having to know how big it might get.
8068 (walk_rtx): Operate entirely on an accum_extract structure.
8069 (print_path): Avoid unnecessary use of printf.
8070 (print_header): New function, split out of main. Distinguish
8071 more carefully between an unrecognizable insn and an insn that
8072 has the code number of a define_expand.
8073 (main): Pass insn_code_number to gen_insn. Call print_header
8074 only after parsing. Avoid unnecessary use of printf.
8075 * Makefile.in (build/vec.o): New rule.
8076 (build/genextract): Depend on build/vec.o.
8077 (build/genextract.o): Don't depend on insn-config.h.
8079 2006-01-22 Zack Weinberg <zackw@panix.com>
8081 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8082 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8083 practical. Eliminate per-generator-program link rules.
8085 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8088 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8089 with a call expr to ...
8090 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8092 2006-01-23 Richard Guenther <rguenther@suse.de>
8094 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8095 before make_edge with conditional EDGE_TRUE_VALUE.
8097 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8098 Jan Hubicka <jh@suse.cz>
8099 Richard Guenther <rguenther@suse.de>
8101 PR rtl-optimization/25654
8102 * cfgexpand.c (aggregate_contains_union_type): New function.
8103 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8104 for structure variables that contain a union type.
8106 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8108 * gengtype.c (new_structure): Return the structure.
8109 (create_option): Add an extra "next" argument.
8110 (create_field): New function.
8111 (adjust_field_rtx_def): Use create_option and create_field.
8112 Remove a now-unnecessary call to find_structure.
8113 (adjust_field_tree_def): Likewise.
8114 (note_yacc_type): Remove an unnecessary call to find_structure.
8115 * gengtype.h (new_structure): Return the structure.
8116 (create_option): Add an extra argument.
8117 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8118 (option): Adjust calls to create_option.
8120 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8122 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8124 2006-01-22 Paul Brook <paul@codesourcery.com>
8125 Peter Barada <peter@the-baradas.com>
8127 * config/m68k/m68k.md: Add Coldfire FPU support.
8128 Define FP mode macro and associated attributes.
8129 Use it for float mode patterns.
8130 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8131 (LIBCALL_VALUE): Use m68k_libcall_value.
8132 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8133 (m68k_function_value): Ditto.
8134 (emit_move_sequence): Ditto.
8135 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8136 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8137 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8138 (MULTILIB_EXCEPTIONS): Ditto.
8139 * config/m68k/m68k.opt: Add mcfv4e.
8140 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8141 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8142 (m68k_output_function_prologue): Save ColdFire FPU registers.
8143 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8144 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8145 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8146 ColdFire FPU registers.
8147 (m68k_libcall_value, m68k_function_value): New functions.
8148 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8149 (LIBCALL_VALUE): Use m68k_libcall_value.
8150 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8151 (MASK_COLDFIRE): Add MASK_CFV4E.
8152 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8153 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8154 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8155 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8156 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8157 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8158 * doc/invoke.tex: Document -mcfv4e on m68k.
8160 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8162 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8165 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8168 * c-opts.c (c_common_handle_option): Don't include
8169 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8170 * doc/invoke.texi (C++ Dialect Options): Document that
8171 -Wnon-virtual-dtor is no longer included in -Wall.
8173 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8175 * gcov.c (print_version), gcov-dump.c (print_version),
8176 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8179 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8181 * df-scan.c (problem_SCAN): Added NULL reset function.
8182 (df_scan_reset_blocks): Added code to call reset block function
8183 (df_bb_refs_delete) Fixed comment.
8184 (df_insn_refs_delete): Made tolerant of deleting non existent info
8185 for dataflow problems that need to be reset.
8186 * df-core.c (df_set_blocks): Ditto.
8187 * df.h (struct df_problem): Added reset_fun.
8188 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8189 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8190 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8191 functions to clear out all references to def-use or use-def chains.
8193 2006-01-21 Ben Elliston <bje@au.ibm.com>
8195 * varasm.c (assemble_real): Initialise data array.
8197 2006-01-20 Paul Brook <paul@codesourcery.com>
8199 Merge from csl-arm-branch.
8200 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8201 * config/arm/arm.md (movdi): Force operands[1] to a register
8202 if we have a non-register source.
8203 (*arm_movdi, *movdf_soft_insn): Require that one of the
8204 operands be a register.
8205 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8206 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8208 2006-01-20 DJ Delorie <dj@redhat.com>
8210 * varasm.c (initialize_constant_valid_p): Allow pointers
8211 initialized from integer constants of lesser precision.
8212 (output_constant): Allow non-int-sized pointer modes to be
8213 initialized from integer constants.
8215 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8218 * cppdefault.h (struct default_include): Add multilib flag.
8219 * cppdefault.c (cpp_include_defaults): Set it.
8220 * c.opt (-imultilib): New option.
8221 * c-opts.c (imultilib): New.
8222 (c_common_handle_option): Handle -imultilib.
8223 (c_common_post_options): Likewise.
8224 * c-incpath.c (add_standard_paths, register_include_chains):
8226 * c-incpath.h (register_include_chains): Add extra parameter.
8227 * gcc.c (do_spec_1): Generate -imultilib option.
8228 (The Specs Language): Update %I description.
8229 (process_command): Update copyright notice.
8230 * doc/cppopts.texi (-imultilib): Document.
8231 * doc/invoke.texi (-imultilib): Include in option summary.
8232 (%I): Update specs documentation.
8234 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8236 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8238 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8240 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8243 2006-01-20 Richard Guenther <rguenther@suse.de>
8244 Steven Bosscher <stevenb.gcc@gmail.com>
8246 PR rtl-optimization/24626
8247 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8248 EDGE_TRUE_VALUE if in RTL mode.
8251 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8252 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8254 2006-01-20 Dirk Mueller <dmueller@suse.com>
8257 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8258 instead of a special NOP marker.
8259 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8260 NOP marker handling.
8261 * c-common.h (empty_body_warning): Add forward declaration.
8262 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8263 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8265 2006-01-20 Paul Brook <paul@codesourcery.com>
8267 * Makefile.in (lang_checks): Keep going if mkdir fails.
8269 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8271 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8272 be able to clean out basic block when not necessary.
8273 (df_scan_free): Fixed to properly delete information if df is
8274 unused before calling df_finish.
8275 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8276 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8278 (df_bb_refs_delete): New function.
8279 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8280 * df-core.c (df_set_blocks): Added code to properly clean out
8281 unused blocks if they are not part of the blocks to consider.
8282 Added additional null check.
8283 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8284 be able to clean out basic block when not necessary
8285 * df.h (df_free_bb_function): Ditto.
8286 (df_bb_refs_delete): New function.
8287 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8288 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8289 basic block parameter to be able to clean out basic block when not
8291 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8292 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8293 Fixed to properly delete information if df is unused before
8296 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8298 PR rtl-optimization/25799
8299 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8300 Corrected confluence operator to remove bits from op2 before oring
8301 with op1 rather than removing bits from op1.
8302 (df_ru_transfer_function): Corrected test on wrong bitmap which
8303 caused infinite loop. Both of these problems were introduced in
8304 the dataflow rewrite.
8306 2006-01-19 DJ Delorie <dj@redhat.com>
8308 * reload1.c (find_reload_regs): Note the details of reload
8309 failures in the dump file.
8310 (spill_failure): Likewise.
8312 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8314 * loop-iv.c: Include df.h and hashtab.h.
8315 (enum iv_grd_result): New enum.
8316 (DF_REF_IV, DF_REF_IV_SET): New macros.
8317 (struct biv_entry): New.
8318 (df, bivs): New global variables.
8319 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8320 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8322 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8323 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8324 analyzed_for_bivness_p, record_biv): New functions.
8325 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8326 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8327 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8329 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8331 (iv_number_of_iterations): Use new interface to iv analysis.
8332 * loop-unroll.c: Do not include varray.h.
8333 (analyze_iv_to_split_insn): Use new interface to iv
8335 * loop-unswitch.c (may_unswitch_on): Ditto.
8336 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8338 (df_bb_modify): Realloc tables to the new index.
8339 (df_find_use): New function.
8340 * df.h (df_find_use): Declare.
8341 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8343 * cfgloop.h (struct rtx_iv): Remove analysed field.
8344 (iv_get_reaching_def): Removed.
8345 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8346 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8347 (loop-iv.o): Add df.h and hashtab.h dependency.
8348 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8350 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8353 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8355 (__floatundisf, __floatundidf): Likewise.
8356 * libgcc2.h (IS_IBM_EXTENDED): Define.
8358 2006-01-19 DJ Delorie <dj@redhat.com>
8360 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8362 2006-01-19 Paul Brook <paul@codesourcery.com>
8364 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8365 as nothrow when unwinding tables are disabled.
8367 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8370 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8371 of bit-field" when in system header.
8373 2006-01-19 DJ Delorie <dj@redhat.com>
8375 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8376 the 16 bit shift limit of the m16c.
8378 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8381 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8382 * config/i386/i386.c (output_set_got): Output the label if we have one
8383 for the TARGET_DEEP_BRANCH_PREDICTION case.
8385 2006-01-19 Jan Hubicka <jh@suse.cz>
8386 H.J. Lu <hongjiu.lu@intel.com>
8387 Evandro Menezes <evandro.menezes@amd.com>
8389 * invoke.texi (generic): Document
8391 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8392 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8393 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8394 (x86_use_incdec, x86_pad_returns): New variables
8395 (TARGET_CPU_DEFAULT_generic): New constant
8396 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8397 (enum processor_type): Add generic32 and generic64.
8398 * i386.md (cpu attribute): Add generic32/generic64
8399 (movhi splitter): Behave sanely when both partial_reg_dependency and
8400 partial_reg_stall are set.
8401 (K8 splitters): Enable for generic as well.
8402 * predicates.md (incdec_operand): Use TARGET_INCDEC
8403 (aligned_operand): Avoid memory mismatch stalls.
8404 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8405 * ppro.md: Enable for generic32
8406 * i386.c (generic64_cost, generic32_cost): New.
8407 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8408 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8409 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8410 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8411 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8412 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8413 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8414 x86_accumulate_outgoing_args, x86_prologue_using_move,
8415 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8416 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8418 (x86_use_incdec, x86_pad_returns): New.
8419 (override_options): Add generic32 and generic64, translate "generic"
8420 to generic32/generic64 and "i686" to "generic32", refuse
8421 "generic32"/"generic64" as arch target.
8422 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8423 (ix86_reorg): Honor PAD_RETURNS.
8425 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8427 * tree-pretty-print.c (dump_generic_node): Handle
8428 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8429 * cgraph.c (cgraph_expand_queue): Rename from
8430 cgraph_analyze_queue. Update all users.
8431 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8432 cgraph_expand_queue.
8433 (cgraph_expand_all_functions): Likewise.
8434 (cgraph_finalize_pending_functions): Remove. Update callers.
8436 * tree.h (OMP_DIRECTIVE_P): Define.
8437 (OMP_PARALLEL_FN): Define.
8438 (OMP_PARALLEL_DATA_ARG): Define.
8439 (OMP_SECTIONS_SECTIONS): Define.
8440 * tree-pass.h (pass_expand_omp): Declare.
8441 * omp-low.c (struct omp_region): Declare.
8442 (struct omp_context): Remove fields 'parallel_type',
8443 'parallel_start_ix' and 'parallel_start_additional_args'.
8445 (struct omp_for_data): Rename from struct expand_omp_for_data.
8446 (omp_regions): New static variable.
8447 (root_omp_region): New static variable.
8448 (find_omp_clause): Make static.
8449 (is_in_combined_parallel_ctx): Remove.
8450 (is_combined_parallel): New.
8451 (extract_omp_for_data): Move earlier in the file.
8452 (workshare_safe_to_combine_p): New.
8453 (get_ws_args_for): New.
8454 (determine_parallel_type): Move earlier in the file.
8455 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8457 (omp_copy_decl): Likewise.
8458 (create_omp_child_function): Likewise.
8459 (lookup_omp_region): New.
8460 (dump_omp_region): New.
8461 (debug_omp_region): New.
8462 (debug_all_omp_regions): New.
8463 (new_omp_region): New.
8464 (scan_omp_parallel): If parallel_nesting_level > 1, the
8465 directive is nested within another parallel directive.
8466 Set OMP_PARALLEL_FN.
8467 (scan_omp_for): Do not try to handle combined parallel+for
8469 Remove FIXME comment.
8470 (scan_omp_nested): Remove.
8471 (scan_omp_1): Do not call scan_omp_nested when
8472 parallel_nesting_level is > 1.
8473 Do not change the DECL_CONTEXT of local variables found.
8474 (lookup_decl_in_outer_ctx): New.
8475 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8476 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8477 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8478 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8479 If CTX is nested, lookup VAR in the outer context when
8480 building copy assignment.
8481 (lower_send_clauses): Rename from expand_send_clauses.
8482 If CTX is nested, lookup VAR in the outer context when
8483 building copy assignments.
8484 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8485 If CTX is nested, lookup VAR in the outer context when
8486 building copy assignments.
8487 (expand_parallel_call): Rename from build_parallel_call.
8488 Handle combined parallel+workshare cases.
8489 Re-implement to emit code into the CFG.
8491 (expand_omp_parallel): Re-implement to emit code into the CFG.
8492 Call move_sese_region_to_fn to outline the sub-graph
8493 containing the parallel region.
8494 (expand_omp_for_1): Remove.
8495 (expand_omp_for_generic): Re-implement to emit code into the
8497 (expand_omp_for_static_nochunk): Likewise.
8498 (expand_omp_for_static_chunk): Likewise.
8499 (expand_omp_for): Likewise.
8500 (expand_omp_sections): Likewise.
8501 (remove_exit_barriers): New.
8502 (expand_omp_synch): New.
8504 (build_omp_regions_1): New.
8505 (build_omp_regions): New.
8506 (execute_expand_omp): New.
8507 (gate_expand_omp): New.
8508 (pass_expand_omp): Define.
8509 (lower_omp_sections): Rename from expand_omp_sections.
8510 Set OMP_SECTIONS_SECTIONS.
8511 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8512 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8513 (lower_omp_single): Rename from expand_omp_simple.
8514 (lower_omp_master): Rename from expand_omp_master.
8515 (lower_omp_ordered): Rename from expand_omp_ordered.
8516 (lower_omp_critical): Rename from expand_omp_critical.
8517 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8518 (lower_omp_for): Re-implement.
8519 (lower_omp_parallel): Re-implement.
8520 (lower_regimplify): Rename from expand_regimplify.
8521 (lower_omp_1): Rename from expand_omp_1.
8522 If there are syntax errors in the program, replace every
8523 OpenMP directive with NOP.
8524 Call lower_omp_* instead of expand_omp_*.
8525 (lower_omp): Rename from expand_omp.
8527 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8528 * tree-gimple.h (enum omp_parallel_type): Remove.
8529 (gimple_boolify): Declare extern.
8530 (find_omp_clause, determine_parallel_type): Remove.
8532 * gimple-low.c (lower_omp_directive): New.
8533 (lower_stmt): Call it.
8534 (record_vars_into): Move from ...
8535 (record_vars): ... here.
8536 Call record_vars_into with current_function_decl.
8538 * gimplify.c (struct gimplify_ctx): Remove fields
8539 combined_pre_p and combined_ctxp. Update users.
8540 (get_formal_tmp_var): Add documentation.
8541 (gimple_boolify): Make extern.
8542 (gimplify_expr_in_ctx): Remove. Update callers.
8543 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8544 will always be a BIND_EXPR.
8545 (gimplify_expr): Handle OMP_RETURN_EXPR.
8546 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8547 (OMP_PARALLEL): Add 3 operands.
8548 (OMP_SECTIONS): Add 1 operand.
8549 (OMP_RETURN_EXPR): Define.
8551 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8552 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8553 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8554 creating a circular free list.
8555 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8557 * tree-flow.h (move_sese_region_to_fn): Declare.
8558 (record_vars_into): Declare.
8559 * tree-cfg.c (make_omp_sections_edges): New.
8560 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8561 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8562 OMP_SECTIONS and OMP_SECTION.
8563 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8564 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8565 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8566 (gather_blocks_in_sese_region): New.
8567 (struct move_stmt_d): Declare.
8569 (move_block_to_fn): New.
8570 (move_sese_region_to_fn): New.
8572 * passes.c (init_optimization_passes): Schedule
8573 pass_expand_omp after pass_init_datastructures.
8575 * tree-ssa-operands.c (get_expr_operands): Handle
8576 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8577 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8579 2006-01-19 Jeff Law <law@redhat.com>
8581 * tree-vrp.c (extract_range_from_assert): Refine the result range
8582 if the variable referenced by the ASSERT_EXPR has a range and
8583 either the tentative result range or the previous range is a
8586 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8588 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8590 2006-01-19 Jan Hubicka <jh@suse.cz>
8592 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8594 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8596 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8597 (expand_compound_operation, expand_field_assignment): Fail if the
8598 bit lengths of an extract operation are out of range.
8599 (make_extraction): Compute wanted_inner_mode based on the position
8600 and length of the extraction. Make it extraction_mode for non-constant
8601 positions, and do not modify offset in that case. When generating a
8602 new MEM, use a mode that can hold the extraction while keeping correct
8603 alignment. Remove code that supported MEMs wrapped by USEs.
8604 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8606 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8608 * config/s390/s390.md ("Y", "y"): New mode attribute.
8609 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8610 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8611 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8612 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8613 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8614 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8615 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8616 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8617 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8618 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8619 "addsi3", "subsi3"): Insn patterns removed.
8620 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8621 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8622 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8623 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8624 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8625 "*sub<mode>3_cconly2"): New insn patterns.
8626 ("addsi3", "subsi3"): New expanders.
8628 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8630 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8631 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8632 existing STMT_VINFO_VECTYPE if available.
8633 (vect_mark_relevant): Add special handling for stmts that are
8634 marked as STMT_VINFO_IN_PATTERN_P.
8635 (vect_analyze_loop): Call vect_pattern_recog.
8636 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8637 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8639 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8640 (vect_recog_func_ptr): New function-pointer type.
8641 * tree-vect-patterns.c: New file.
8642 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8643 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8644 (vect_pattern_recog_1): New functions.
8645 (vect_pattern_recog_funcs): New array of function pointers.
8647 * tree-vectorizer.h (ternary_op): New enum value.
8648 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8649 declaration. Revised documentation. Removed redundant dump prints.
8650 Removed redundant argument. Added support for reduction patterns.
8651 (vectorizable_reduction): Added support for reduction patterns.
8652 (vect_transform_stmt): Added support for patterns.
8654 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8655 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8656 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8657 (expand_widen_pattern_expr): New function.
8658 (init_optabs): Initialize new optabs udot_prod_optab,
8660 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8661 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8662 (expand_widen_pattern_expr): New function declaration.
8663 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8665 * tree-inline.c (estimate_num_insns_1): Added cases for new
8666 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8667 * tree-pretty-print.c (dump_generic_node): Likewise.
8668 (op_prio): Likewise.
8669 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8670 * tree-ssa-operands.c (get_expr_operands): Added case for
8672 * tree-vect-patterns.c (widened_name_p): New function.
8673 (vect_recog_dot_prod_pattern): Added function implementation.
8674 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8675 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8676 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8677 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8679 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8680 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8681 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8682 (init_optabs): Initialize new optabs widen_ssum_optab,
8684 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8685 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8686 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8687 use instead of type of def.
8688 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8689 function implementation.
8690 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8691 widen_ssumv8hi): New.
8693 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8696 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8699 * c-decl.c (add_flexible_array_elts_to_size): New function.
8700 (finish_decl): Use it.
8702 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8704 * diagnostic.h: Include options.h.
8705 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8706 dependancies for diagnostic.h.
8707 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8709 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8711 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8712 (ssa_ro_call_cache_valid): Ditto.
8713 * tree-ssa-alias.c (sort_tags_by_id): New function.
8714 (init_transitive_clobber_worklist): Ditto.
8715 (add_to_worklist): Ditto.
8716 (mark_aliases_call_clobbered): Ditto.
8717 (compute_tag_properties): Ditto.
8718 (set_initial_properties): Ditto.
8719 (compute_call_clobbered): Ditto.
8720 (compute_may_aliases): Call compute_call_clobbered and grouping.
8721 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8722 (compute_flow_insensitive_aliasing): Grouping now happens in our
8724 (setup_pointers_and_addressables): Remove clobbering related code.
8725 (add_may_alias): Ditto.
8726 (replace_may_alias): Ditto.
8727 (get_nmt_for): Ditto.
8728 (create_global_var):
8729 (is_escape_site): Return an escape_type enumeration.
8730 * tree-flow-inline.h (is_call_clobbered): Global var does not
8731 imply call clobbered.
8732 (mark_call_clobbered): Take a reason for marking this. Remove
8733 marking of globalness, and cache invalidation.
8734 (clear_call_clobbered): Remove cache invalidation code.
8735 * tree-dfa.c (dump_variable): If details is on, dump the reason
8737 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8739 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8740 (struct var_ann_d): Ditto.
8741 (enum escape_type): New.
8742 (mark_call_clobbered): Adjust prototype.
8743 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8744 are never call clobbered.
8745 Record reasons for escaping.
8746 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8747 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8748 (ssa_ro_call_cache_valid): Ditto.
8749 (clobbered_v_may_defs): Ditto.
8750 (clobbered_vuses): Ditto.
8751 (ro_call_vuses): Ditto.
8752 (clobber_stats): New.
8753 (init_ssa_operands): Zero out clobber stats.
8754 (fini_ssa_operands): Print out clobber stats.
8755 (get_call_expr_operands): Pass callee fndecl to
8757 (add_call_clobber_ops): Remove use of cache.
8758 Add use of PURE_CONST information.
8759 (add_call_read_ops): Remove use of cache.
8760 Add use of static not_read information.
8762 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8764 Introduce TLS descriptors for i386 and x86_64.
8765 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8766 (TARGET_ANY_GNU_TLS): New macro.
8767 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8768 (struct machine_function): Add tls_descriptor_call_expanded_p.
8769 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8770 (ix86_current_function_calls_tls_descriptor): Likewise.
8771 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8772 (override_options): Introduce gnu2 tls dialect.
8773 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8775 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8777 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8778 (ix86_init_machine_status): Initialize new field.
8779 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8780 (ix86_tls_module_base): New.
8781 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8782 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8783 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8784 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8785 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8786 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8787 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8788 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8789 * config/i386/predicates.md (tls_modbase_operand): New.
8790 (tp_or_register_operand): New.
8792 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8794 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8795 (look_for_address_of): Ditto.
8796 (ipa_init): Walk the function decls.
8797 (static_execute): Don't set readonly on FUNCTION_DECL's.
8799 2006-01-18 Roger Sayle <roger@eyesopen.com>
8801 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8802 for shifts where the source and destination registers are different.
8804 2006-01-18 Paul Brook <paul@codesourcery.com>
8806 Merge from csl-arm-branch.
8807 2005-03-14 Julian Brown <julian@codesourcery.com>
8808 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8809 (aeabi_llsl): Likewise.
8810 (ashrdi3): Likewise.
8811 (aeabi_lasr): Likewise.
8812 (lshrdi3): Likewise.
8813 (aeabi_llsr): Likewise.
8814 2005-03-10 Julian Brown <julian@codesourcery.com>
8815 * config.gcc: Disable shared libgcc for SymbianOS.
8816 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8818 2006-01-18 DJ Delorie <dj@redhat.com>
8820 * c-pragma.c (handle_pragma_diagnostic): New.
8821 (init_pragma): Register it.
8822 * doc/extend.texi: Document it.
8824 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8825 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8826 (diagnostic_context): Add classify_diagnostic[].
8827 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8828 as errors if they're overridden to DK_WARNING.
8829 (diagnostic_initialize): Initialize classify_diagnostic[].
8830 (diagnostic_set_kind_override): New.
8831 (diagnostic_report_diagnostic): Check for kind changes.
8832 * opts.c (common_handle_option): Take lang_mask. Update callers.
8834 * common.opt (Werror=): New.
8835 * doc/invoke.texi: Document -Werror=*
8837 2006-01-18 Jeff Law <law@redhat.com>
8839 * tree-vrp.c (test_for_singularity): Correct test for new
8840 min limit. Use operand_equal_p rather than pointer equality
8841 for testing if new min/max values are equal.
8843 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8844 using range information until after propagation and folding.
8846 2006-01-18 Richard Henderson <rth@redhat.com>
8847 Aldy Hernandez <aldyh@redhat.com>
8848 Jakub Jelinek <jakub@redhat.com>
8849 Diego Novillo <dnovillo@redhat.com>
8851 * omp-low.c: New file.
8852 * c-omp.c: New file.
8854 2006-01-18 Richard Henderson <rth@redhat.com>
8855 Jakub Jelinek <jakub@redhat.com>
8856 Diego Novillo <dnovillo@redhat.com>
8858 * doc/invoke.texi: Document -fopenmp.
8859 * tree-dump.h (debug_function): Declare.
8860 * hooks.c (hook_bool_tree_bool_false): New function.
8861 (hook_tree_tree_null): Remove.
8862 (hook_tree_tree_tree_null): New.
8863 * hooks.h: Update to match.
8864 * tree-pretty-print.c (debug_tree_chain): New.
8865 (print_generic_expr): Handle TDF_CHAIN.
8866 (dump_generic_node): Handle BLOCK.
8867 Do not abort with incomplete SWITCH_EXPRs.
8868 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8869 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8870 print space after directive name.
8871 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8872 Handle OMP_MASTER and OMP_ORDERED.
8873 Handle printing of OMP_BODY just in one place, goto
8874 dump_omp_body in the rest of OMP_* nodes that have
8876 Don't handle clause nodes here. Update omp statements to
8877 use dump_omp_clauses.
8878 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8879 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8880 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8881 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8882 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8883 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8884 Adjust output for GOMP_PARALLEL.
8885 (dump_omp_clauses): New.
8886 (print_declaration): Dump DECL_VALUE_EXPR.
8887 (op_symbol_1): Split out of op_symbol.
8888 (dumping_stmts): Remove. Update all users.
8889 * cgraph.c (cgraph_analyze_queue): New.
8890 (cgraph_add_new_function): New.
8891 * cgraph.h (cgraph_analyze_queue): Declare.
8892 (cgraph_add_new_function): Declare.
8893 (cgraph_lower_function): Remove.
8894 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8895 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8896 and TYPE_P nodes in its default clause.
8897 (empty_body_p): New.
8898 (tree_range_check_failed): New.
8900 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8901 OMP_CLAUSE_REDUCTION_MERGE,
8902 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8903 OMP_CLAUSE_PRIVATE_DEBUG,
8904 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8905 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8906 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8907 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8908 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8909 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8910 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8911 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8912 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8913 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8914 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8915 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8916 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8917 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8918 (TREE_RANGE_CHECK): New.
8919 (empty_body_p): Declare.
8920 (enum omp_clause_default_kind): New.
8921 (build_string_literal): Declare.
8922 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8923 (build5_stat, build5): Declare.
8924 * tree-pass.h (TDF_CHAIN): Define.
8925 * tree-pass.h (PROP_gimple_lomp): Define.
8926 (pass_lower_omp): Declare.
8927 * diagnostic.h (debug_tree_chain): Declare.
8928 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8930 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8931 * builtins.c (build_string_literal): Make extern.
8932 * gcc.c (include_spec_function): New.
8933 (static_spec_functions): Add it.
8934 (main): Move load of libgomp.spec ...
8935 (LINK_COMMAND_SPEC): ... here.
8936 (link_gomp_spec): New.
8937 (static_specs): Include it.
8938 (LINK_COMMAND_SPEC): Add link_gomp.
8939 (GOMP_SELF_SPECS): New.
8940 (driver_self_specs): Include it.
8941 (switch_matches): Don't mark inline.
8942 (main): Load libgomp.spec.
8943 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8944 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8945 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8946 * tree-gimple.h (enum omp_parallel): Declare.
8947 (determine_parallel_type): Declare.
8948 (omp_firstprivatize_variable): Declare.
8949 (omp_reduction_init): Declare.
8950 (diagnose_omp_structured_block_errors): Declare.
8951 (struct walk_stmt_info): Add want_return_expr.
8952 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8953 (find_omp_clause): Declare.
8954 (insert_field_into_struct): Declare.
8955 (struct walk_stmt_info): Move from tree-nested.c
8956 (walk_stmts): Declare.
8957 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8959 * cgraphunit.c (cgraph_lower_function): Make static.
8960 (cgraph_finalize_pending_functions): New.
8961 (cgraph_finalize_function): Call it.
8962 (cgraph_finalize_compilation_unit): Likewise.
8963 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8964 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8965 (BT_FN_UINT_UINT): New.
8966 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8967 DEF_FUNCTION_TYPE_VAR_4): Document.
8968 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8969 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8970 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8971 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8972 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8973 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8974 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8975 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8976 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8977 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8978 into separate files.
8979 (DEF_GOMP_BUILTIN): New.
8980 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8981 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8982 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8983 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8984 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8985 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8986 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8987 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8988 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8989 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8990 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8991 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8992 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8993 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8994 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8995 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8996 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8997 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8998 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8999 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9000 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9001 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9002 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9003 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9004 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9005 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9006 * sync-builtins.def: New file, moved from builtins.def.
9007 * omp-builtins.def: New file, moved from builtins.def.
9008 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9009 * gimple-low.c (lower_function_body): Clear data.
9010 (lower_stmt): Do not handle COMPOUND_EXPR.
9011 Remove call to print_node_brief.
9012 * c-tree.h (c_finish_omp_clauses): New prototype.
9013 (C_DECL_THREADPRIVATE_P): Define.
9014 (lookup_name_no_remap, c_omp_remap_private): Remove
9015 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9016 (check_for_loop_decls): Update decl.
9017 (lookup_name_no_remap, c_omp_remap_private): Declare.
9018 (build_indirect_ref, build_modify_expr, pushdecl,
9019 pushdecl_top_level): Move to c-common.h.
9020 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9021 before the switch, but just in the 2 places that need it.
9022 * c-decl.c (diagnose_mismatched_decls): Do not check for
9023 mismatched thread-local attributes when OLDDECL is marked
9024 threadprivate and NEWDECL has no thread-local attributes.
9025 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9026 (c_gimple_diagnostics_recursively): Rename from
9027 c_warn_unused_result_recursively. Invoke
9028 diagnose_omp_structured_block_errors.
9029 (check_for_loop_decls): Return a singular decl found.
9030 * langhooks.c (lhd_omp_predetermined_sharing): Return
9031 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9032 (lhd_omp_firstprivatize_type_sizes): New.
9033 (lhd_omp_assignment): New.
9034 (lhd_omp_predetermined_sharing): New.
9035 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9036 (struct lang_hooks_for_types): Add
9037 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9038 omp_predetermined_sharing, omp_disregard_value_expr,
9039 omp_private_debug_clause, omp_clause_default_ctor,
9040 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9041 (c_finish_omp_clauses): New.
9042 (c_finish_bc_stmt): Diagnose break within omp for.
9043 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9044 (build_unary_op): Return error_mark after reporting
9046 (build_modify_expr): Likewise.
9047 * gimplify.c: Include optabs.h and pointer-set.h.
9048 (enum gimplify_omp_var_data): Declare.
9049 (struct gimplify_omp_ctx): Declare.
9050 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9052 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9053 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9054 (splay_tree_compare_decl_uid): New.
9055 (new_omp_context): New.
9056 (delete_omp_context): New.
9057 (gimple_add_tmp_var): Call omp_add_variable.
9058 (gimplify_bind_expr): Likewise.
9059 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9060 true, disregard DECL_VALUE_EXPR on the decl if any.
9061 (gimplify_expr_in_ctx): New.
9062 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9063 omp_add_variable, omp_notice_variable, omp_is_private
9064 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9065 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9066 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9067 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9068 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9069 gimplify_omp_atomic): New.
9070 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9071 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9072 OMP_CRITICAL and OMP_ATOMIC.
9073 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9074 * c-pragma.h (enum pragma_kind): Add
9075 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9076 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9077 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9078 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9079 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9080 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9081 PRAGMA_OMP_THREADPRIVATE.
9082 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9083 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9084 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9085 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9086 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9087 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9088 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9089 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9090 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9091 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9092 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9093 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9094 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9096 (struct nesting_info): Add field_map,
9097 suppress_expansion, debug_var_chain.
9098 (create_nesting_tree): Initialize them.
9099 (lookup_field_for_decl): Use field_map.
9100 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9101 (convert_local_omp_clauses): New.
9102 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9103 (walk_body): Split out of walk_function.
9104 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9105 (convert_nonlocal_reference): Handle omp statements.
9106 (convert_local_reference): Likewise.
9107 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9108 (unnest_nesting_tree): New.
9109 (lower_nested_functions): Call it.
9110 (insert_field_into_struct): Make extern.
9111 (struct walk_stmt_info): Move to tree-gimple.h.
9112 (walk_stmts): Make extern.
9113 * omp-builtins.def: New file.
9114 * tree-iterator.c (expr_only): Clarify comment.
9115 * c-common.h (pushdecl_top_level, pushdecl,
9116 build_modify_expr, build_indirect_ref,
9117 c_finish_omp_master, c_finish_omp_critical,
9118 c_finish_omp_ordered, c_finish_omp_barrier,
9119 c_finish_omp_atomic, c_finish_omp_flush,
9120 c_finish_omp_for, c_split_parallel_clauses,
9121 omp_clause_default_kind, c_omp_sharing_predetermined,
9122 c_omp_remap_decl): Declare.
9123 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9124 (OBJS-common): Add omp-low.o.
9125 (c-omp.o, omp-low.o): Add.
9126 (gimplify.o): Add dependency on $(OPTABS_H).
9127 (GTFILES): Add omp-low.c.
9128 (gt-stringpool.h): Add.
9129 * tree-cfg.c (set_bb_for_stmt): Do not update the
9130 block-to-labels map if we are currently expanding to RTL.
9131 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9133 Handle IDENTIFIER_NODE.
9134 (tree_verify_flow_info): Do not ICE when emitting error
9135 messages about invalid labels.
9136 (dump_function_to_file): Reset CFUN before emitting the body
9138 (debug_function): New.
9139 * passes.c (init_optimization_passes): Schedule
9141 * langhooks-def.h (lhd_omp_predetermined_sharing,
9142 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9144 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9145 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9146 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9147 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9148 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9149 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9150 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9151 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9152 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9153 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9154 (LANG_HOOK_DECLS): Use them.
9156 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9157 Richard Henderson <rth@redhat.com>
9158 Jakub Jelinek <jakub@redhat.com>
9159 Diego Novillo <dnovillo@redhat.com>
9161 * c-parser.c (pragma_omp_clause): Define.
9162 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9163 (c_parser_compound_statement): Likewise.
9164 (c_parser_statement): Likewise.
9165 (c_parser_pragma): Handle omp pragmas.
9166 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9167 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9168 (c_parser_omp_clause_name, check_no_duplicate_clause,
9169 c_parser_omp_variable_list,
9170 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9171 c_parser_omp_clause_copyprivate,
9172 c_parser_omp_clause_default,
9173 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9174 c_parser_omp_clause_lastprivate,
9175 c_parser_omp_clause_nowait,
9176 c_parser_omp_clause_num_threads,
9177 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9178 c_parser_omp_clause_reduction,
9179 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9180 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9181 c_parser_omp_atomic, c_parser_omp_barrier,
9182 c_parser_omp_critical, c_parser_omp_flush,
9183 c_parser_omp_for_loop, c_parser_omp_for,
9184 c_parser_omp_master, c_parser_omp_ordered,
9185 c_parser_omp_sections_scope, c_parser_omp_sections,
9186 c_parser_omp_parallel, c_parser_omp_single,
9187 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9188 * c-pragma.c (init_pragma): Do omp pragma registration here.
9189 * c.opt (fopenmp): New flag.
9191 2006-01-18 Eric Christopher <echristo@apple.com>
9193 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9194 * config/darwin.h (GOMP_SELF_SPECS): Define.
9196 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9198 * rtl.h: Remove the prototype for reg_alloc.
9200 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9203 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9204 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9205 sjlj and dwarf2 exception handling.
9206 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9207 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9208 * pa/pa.c (function_value): Treat complex and vector types as
9210 (function_arg): Likewise. Only pass scalar floats in the floating
9211 point argument registers.
9212 * pa/t-slibgcc-dwarf-ver: New file.
9213 * pa/t-slibgcc-sjlj-ver: New file.
9214 * pa/t-slibgcc-elf-ver: Delete file.
9216 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9218 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9219 unlikely_test_section_p test.
9221 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9223 * mode-switching.c (optimize_mode_switching): Make it static.
9224 * basic-block.h: Remove the prototype for
9225 optimize_mode_switching.
9227 * modulo-sched.c (sms_schedule): Make it static.
9228 * rtl.h: Remove the prototype for sms_schedule.
9230 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9231 * rtl.h: Remove the prototype for gcse_after_reload_main.
9233 * reg-stack.c (reg_to_stack): Make it static.
9234 * rtl.h: Remove the prototype for reg_to_stack.
9236 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9238 * rtl.h: Remove the prototypes for regrename_optimize and
9239 copyprop_hardreg_forward.
9241 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9243 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9244 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9245 Test against the appropriate null constant for the mode.
9246 If 'fixup_overlap' is true, swap the operands if they overlap.
9247 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9248 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9249 alpha_split_tmode_pair and adjust for above change.
9250 * config/alpha/alpha.md (movtf_internal): Adjust call to
9251 alpha_split_tfmode_pair and rely on it to swap the operands.
9252 (movti_internal): New insn and post-reload splitter.
9253 (movti): New expander.
9255 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9257 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9260 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9262 * rtlanal.c (global_reg_mentioned_p_1,
9263 global_reg_mentioned_p): Remove.
9264 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9266 * flow.c (initialize_uninitialized_subregs): Make it static.
9267 * rtl.h: Remove the prototype for
9268 initialize_uninitialized_subregs.
9270 * function.c (instantiate_virtual_regs): Make it static.
9271 * function.h: Remove the prototype for
9272 instantiate_virtual_regs.
9274 * regmove.c (regmove_optimize, combine_stack_adjustments):
9276 * rtl.h: Remove the prototypes for regmove_optimize and
9277 combine_stack_adjustments.
9279 2006-01-17 Roger Sayle <roger@eyesopen.com>
9281 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9282 (size_cost): Encode costs in bytes so that a reg-reg addition is
9283 equivalent to COSTS_N_INSNS(1).
9284 (override_options): Use the size_cost.branch_cost as the default
9285 ix86_branch_cost when optimizing for size.
9287 2006-01-18 Ben Elliston <bje@au.ibm.com>
9289 * Makefile.in (D32PBIT_FUNCS): New.
9290 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9291 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9292 D64PBIT_FUNCS and D128PBIT_FUNCS.
9293 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9294 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9296 (decnumber_dep): Define.
9297 * doc/libgcc.texi (Decimal float library routines): New node.
9298 * config/dfp-bit.h, config/dfp-bit.c: New files.
9300 2006-01-18 Ben Elliston <bje@au.ibm.com>
9302 * expr.c (emit_move_change_mode): Always adjust addresses, not
9303 just during reload. Copy replacements only during reload.
9304 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9305 emit_move_via_integer.
9307 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9309 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9310 instead of $(srcdir) and ${srcdir}.
9312 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9316 * arm.h (struct machine_function): Add pic_reg.
9317 * arm.c (arm_pic_register): Make unsigned.
9318 (arm_override_options): Only set arm_pic_register if
9319 TARGET_SINGLE_PIC_BASE.
9320 (use_return_insn): Only test for a pic register if it is fixed.
9321 (arm_compute_save_reg0_reg12_mask): Likewise.
9322 (thumb_compute_save_reg_mask): Likewise.
9323 (legitimate_pic_operand): Factor out some known invariants.
9324 (legitimize_pic_address): If we don't have a fixed pic register,
9325 then set up a pseudo in the function entry sequence. Handle the
9326 pic base being in a pseudo.
9327 (arm_load_pic_register): Handle the pic register being in a pseudo.
9328 (arm_expand_prologue): Only set up the pic register if it is fixed.
9329 (thumb_expand_prologue): Likewise.
9330 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9331 (pic_load_addr_based_insn): Likewise.
9332 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9335 2006-01-18 Ben Elliston <bje@au.ibm.com>
9337 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9338 decimal float modes for all floating point registers.
9340 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9341 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9343 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9346 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9347 even when the pointer is not NULL.
9349 2006-01-16 Ian Lance Taylor <ian@airs.com>
9351 * common.opt (ftoplevel-reorder): New option.
9352 * cgraph.c (cgraph_asm_nodes): New global variable.
9353 (cgraph_asm_last_node): New static variable.
9354 (cgraph_order): New global variable.
9355 (cgraph_create_node): Set new order field.
9356 (cgraph_varpool_node): Likewise.
9357 (decide_is_variable_needed): Return true if not
9358 flag_toplevel_reorder.
9359 (cgraph_add_asm_node): New function.
9360 * cgraph.h (struct cgraph_node): Add order field.
9361 (struct cgraph_varpool_node): Add order field.
9362 (struct cgraph_asm_node): Define.
9363 (cgraph_asm_nodes, cgraph_order): Declare.
9364 (cgraph_add_asm_node): Declare.
9365 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9367 (cgraph_varpool_assemble_pending_decls): Call it.
9368 (cgraph_output_pending_asms): New static function.
9369 (cgraph_finalize_compilation_unit): Call it.
9370 (struct cgraph_order_sort): Define.
9371 (cgraph_output_in_order): New static function.
9372 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9373 !flag_toplevel_reorder case.
9374 * c-parser.c: Include "cgraph.h".
9375 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9377 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9378 than -fno-unit-at-a-time.
9379 * doc/invoke.texi (Option Summary): Mention
9380 -fno-toplevel-reorder.
9381 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9382 -funit-at-a-time documentation.
9384 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9385 Kazu Hirata <kazu@codesourcery.com>
9387 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9389 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9391 * Makefile.in (FUNCTION_H): New. Use it instead of
9392 function.h throughout the file.
9393 * function.h: Include tree.h.
9395 2006-01-17 Ben Elliston <bje@au.ibm.com>
9397 * recog.c: Separate some functions with whitespace.
9399 2006-01-16 Richard Henderson <rth@redhat.com>
9401 Merge from gomp branch:
9402 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9403 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9404 and rename from struct inline_data. Rename callee* to dst*;
9405 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9406 transform_new_cfg, transform_return_to_modify, and
9407 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9409 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9410 (copy_decl_for_dup): Remove.
9411 * tree-inline.c (struct inline_data): Move to header.
9412 (insert_decl_map): Export.
9413 (remap_decl): Update for member name changes. Use copy_decl hook.
9414 Allow for replacement to be a non-decl. Remove dead code.
9415 (remap_type_1): Check for existing mapping.
9416 (remap_type): Export.
9417 (remap_decls): Update for member name changes.
9418 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9419 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9420 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9421 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9422 (tree_function_versioning, build_duplicate_type): Likewise.
9423 (copy_body_r): Likewise. Export.
9424 (copy_decl_for_dup): Split into ...
9425 (copy_decl_for_dup_finish, copy_decl_to_var,
9426 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9427 (replace_ref_tree, inlining_p): Remove.
9429 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9431 * ifcvt.c (if_convert): Make it static.
9432 * rtl.h: Remove the prototype for if_convert.
9434 * local-alloc.c (local_alloc): Make it static.
9435 * rtl.h: Remove the prototype for local_alloc.
9437 * loop.c (loop_optimize): Make it static.
9438 * cfgloop.h: Remove the prototype for loop_optimize.
9441 2006-01-16 DJ Delorie <dj@redhat.com>
9443 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9446 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9448 * pa.md: Disparage copies between general and floating-point registers
9449 in 32-bit move patterns.
9451 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9454 * Makefile.in (check-%): Depend on site.exp instead of
9455 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9458 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9460 * global.c (global_alloc): Make it static.
9461 * rtl.h: Remove the prototype for global_alloc.
9463 2006-01-16 Richard Guenther <rguenther@suse.de>
9465 * tree-ssa-alias.c (struct used_part): Add write_only field.
9466 (get_or_create_used_part_for): Initialize it to true.
9467 (create_overlap_variables_for): Don't create structure variables
9468 for structures that only are written to.
9469 (find_used_portions): Handle MODIFY_EXPR to track whether a
9470 structure is only written to.
9472 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9474 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9476 * basic-block.h: Remove the prototype for
9477 partition_hot_cold_basic_blocks.
9479 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9481 * cppspec.c (lang_specific_spec_functions): Remove.
9482 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9483 * gcc.h (lang_specific_spec_functions): Remove.
9484 * gccspec.c (lang_specific_spec_functions): Remove.
9486 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9488 * combine.c (record_value_for_reg): Invalidate registers
9490 (record_dead_and_set_regs_1): Likewise, by passing them to
9491 record_value_for_reg.
9492 (record_dead_and_set_regs): Invalidate stores made by a
9493 call. We do not combine across a call, but we still
9494 relied on equivalences.
9496 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9498 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9499 vrp_int_const_binop returning non-constant nodes.
9501 2006-01-16 Paul Brook <paul@codesourcery.com>
9503 * config/m68k/m68k.c (output_move_const_into_data_reg):
9504 Output correct mnemonic for mvz and mvs.
9506 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9508 * rtl-factoring.c: Add sequence abstraction algorithm.
9509 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9510 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9512 (block_has_preserve_label): New function.
9513 * common.opt: Register new pass.
9514 * Makefile.in: Ditto.
9516 * timevar.def: Ditto.
9517 * tree-pass.h: Ditto.
9518 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9519 * rtl.h (make_jump_insn_raw): Add forward decl.
9520 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9522 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9523 Roger Sayle <roger@eyesopen.com>
9525 * fold-const.c (fold_minmax): New static function.
9526 (fold_binary) <MIN_EXPR>: Call it.
9527 <MAX_EXPR>: Likewise.
9528 * stor-layout.c (place_field): Use DECL_SIZE consistently
9529 in the computation of the new record size.
9531 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9533 * cse.c (cse_condition_code_reg): Make it static.
9534 * rtl.h: Remove the prototype for cse_condition_code_reg.
9536 * combine.c (combine_instructions): Make it static.
9537 * rtl.h: Remove the prototype for combine_instructions.
9539 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9542 * tree.c (get_file_function_name_long): Concatenate the first global
9543 object name with a string derived from the input filename of the object
9546 2006-01-16 Ben Elliston <bje@au.ibm.com>
9548 * config/i386/winnt-stubs.c: Update FSF address.
9549 * config/xtensa/ieee754-df.S: Ditto.
9550 * config/xtensa/ieee754-sf.S: Ditto.
9552 2006-01-14 Ian Lance Taylor <ian@airs.com>
9554 * ifcvt.c (noce_init_if_info): New static function, broken out of
9555 noce_process_if_block.
9556 (noce_process_if_block): Call noce_init_if_info.
9557 (check_cond_move_block): New static function.
9558 (cond_move_process_if_block): New static function.
9559 (process_if_block): Call cond_move_process_if_block.
9561 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9563 * cselib.c (hash_table): Rename to cselib_hash_table.
9564 (cselib_clear_table, discard_useless_values,
9565 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9566 cselib_init, cselib_finish): Adjust uses of hash_table.
9568 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9570 PR tree-optimization/25485
9571 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9572 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9573 is known to be false and true, respectively.
9575 2006-01-14 Richard Guenther <rguenther@suse.de>
9577 PR tree-optimization/22548
9578 PR tree-optimization/22555
9579 PR tree-optimization/22501
9580 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9581 * params.def (salias-max-array-elements): New parameter.
9582 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9583 * doc/invoke.texi (salias-max-array-elements): Document.
9584 * tree-flow-inline.h (var_can_have_subvars): We also handle
9586 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9588 * tree-ssa-structalias.c (params.h): Include.
9589 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9590 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9591 (get_constraint_for): For ADDR_EXPR operating on something
9592 containing an ARRAY_REF, add all subvars to the solution.
9593 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9594 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9595 for creating MUST_DEFs.
9596 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9598 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9600 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9602 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9603 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9604 number_of_iterations_le): New functions.
9605 (number_of_iterations_special): Removed.
9606 (number_of_iterations_exit): Do not use number_of_iterations_special.
9607 * tree.c (unsigned_type_for): Always return integer type.
9609 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9610 Richard Guenther <rguenther@suse.de>
9612 PR rtl-optimization/24257
9613 * gcse.c (find_moveable_store): Only consider a store movable
9614 when the SET_SRC of the insn can be assigned to a register.
9616 2006-01-14 Ian Lance Taylor <ian@airs.com>
9618 * tree.c (tree_not_class_check_failed): New function.
9619 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9620 (tree_not_class_check_failed): Declare.
9622 2006-01-13 Ian Lance Taylor <ian@airs.com>
9624 * reload1.c (do_output_reload): Add assertion rejecting a
9627 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9629 * combine.c (struct reg_stat): Add new fields truncation_label and
9631 (record_value_for_reg): Reset truncated_to_mode.
9632 (record_truncated_value): New function.
9633 (check_promoted_subreg): Call it. Rename to check_conversions.
9634 (combine_instructions): Rename check_promoted_subreg to
9636 (reg_truncated_to_mode): New function.
9637 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9638 (gen_lowpart_or_truncate): New function.
9639 (force_to_mode): Use it instead of gen_lowpart.
9641 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9643 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9644 VAR is a tag, not its type tag.
9646 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9648 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9649 alternatives to match style of other entries.
9650 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9652 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9654 PR tree-optimization/25771
9655 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9658 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9661 * tree-inline.c (declare_return_variable): If the return variable
9662 was marked as a non gimple complex, set the return slot variable
9663 to be a non gimple comple variable.
9665 2006-01-13 Richard Guenther <rguenther@suse.de>
9667 * builtins.c (expand_builtin_sincos): New function.
9668 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9670 (expand_builtin): Expand sincos using expand_builtin_sincos.
9672 2006-01-12 DJ Delorie <dj@redhat.com>
9674 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9675 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9676 so that constant shifts can be split.
9677 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9678 (m32c_valid_pointer_mode): Make static.
9679 (shift_gen_func_for): New.
9680 (m32c_prepare_shift): Use it. Split large const shifts into
9682 * config/m32c/predicates.md (shiftcount_operand): Allow more
9684 (longshiftcount_operand): New.
9685 * doc/md.texi (Machine Constraints): Document In6.
9687 2006-01-13 Ben Elliston <bje@au.ibm.com>
9689 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9690 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9693 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9695 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9696 to try to avoid clobbering pieces of structures when we know
9697 something about the whole structure.
9698 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9700 2006-01-13 Ben Elliston <bje@au.ibm.com>
9702 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9703 return in memory, as this is no limitation is no longer present.
9705 2006-01-12 DJ Delorie <dj@redhat.com>
9707 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9708 mova with fb, and for fb+0 -> An.
9710 * config/m32c/mov.md (peephole2): Fix enabling logic.
9712 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9713 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9714 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9715 FINI_ARRAY_SECTION_ASM_OP): Define.
9717 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9719 (m32c_legitimize_reload_address): New logic to reload FB to An.
9720 (m32c_output_reg_push): Add newline.
9721 (m32c_output_reg_pop): Likewise.
9723 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9725 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9727 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9729 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9731 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9733 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9736 2006-01-11 Ben Elliston <bje@au.ibm.com>
9738 * rtlanal.c (find_reg_note): Assert insn is not null.
9740 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9742 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9745 2006-01-11 Jeff Law <law@redhat.com>
9747 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9749 (mark_threaded_blocks, register_jump_thread): New functions.
9750 (thread_through_all_blocks): Remove unwanted argument. No
9751 longer rely on e->aux to communicate thread target info.
9752 Call mark_threaded_blocks. Release the threaded_blocks
9753 bitmap and threaded_edges vector when complete.
9754 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9755 (threaded_blocks): Remove.
9756 (tree_ssa_dominator_optimize): Remove initialization and
9757 finalization of threaded_blocks. Simplify call to
9758 thread_through_all_blocks.
9759 (thread_across_edge): Call register_jump_thread rather than
9760 storing thread information into e->aux.
9761 (free_all_edge_infos): Simplify now that e->aux is no longer
9762 used to communicate with thread_through_all_blocks.
9763 * tree-flow.h (thread_through_all_blocks): Update prototype.
9764 (register_jump_thread): Prototype.
9766 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9768 * df-core.c (df_compact_blocks, df_bb_replace): Use
9769 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9771 2006-01-11 Richard Guenther <rguenther@suse.de>
9773 PR tree-optimization/25734
9774 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9775 stop propagation after successful propagation to the LHS.
9777 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9779 * basic-block.h (control_flow_graph): Change the type of
9780 x_basic_block_info to VEC(basic_block,gc) *.
9781 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9783 (SET_BASIC_BLOCK): New.
9784 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9785 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9786 * cfgbuild.c (find_basic_blocks): Likewise.
9787 * cfglayout.c (fixup_reorder_chain): Likewise.
9788 * cfgrtl.c (create_basic_block_structure,
9789 rtl_create_basic_block): Likewise.
9790 * ifcvt.c (find_if_case_1): Likewise.
9791 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9794 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9796 * Makefile.in: Removed rotted odf.c entry.
9798 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9801 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9802 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9803 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9804 output pattern modifier, not %e.
9805 * config/cris/cris.c (cris_op_str): Update comment about pattern
9807 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9808 before falling through into...
9809 <case 'E'>: Redefined from old 'e' case.
9811 2006-01-11 Jan Hubicka <jh@suse.cz>
9814 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9816 2006-01-11 Jan Hubicka <jh@suse.cz>
9818 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9819 * i386.c (x86_decompose_lea): Kill.
9820 (ix86_rtx_costs): Kill.
9822 2006-01-11 Jan Hubicka <jh@suse.cz>
9824 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9825 * cgraph.h (cgraph_node): Add inline_decl.
9826 (cgraph_insert_node_to_hashtable): Declare.
9827 (save_inline_function_body): Declare.
9828 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9830 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9831 (cgraph_function_versioning): Update call of tree_function_versioning.
9832 (save_inline_function_body): New function.
9833 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9834 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9835 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9836 (cgraph_default_inline_p): Likewise.
9837 (cgraph_decide_inlining_incrementally): Likewise.
9838 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9839 (copy_bb): Kill saving; do updating of clones.
9840 (copy_cfg_body): Kill saving.
9841 (initialize_inlined-parameters): Likewise.
9842 (expand_call_inline): Likewise.
9844 (tree_function_versioning): New parameter "update_clones".
9845 (inlining_p): Kill saving.
9846 * tree-inline.h (tree_function_versioning): Update prototype.
9847 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9850 2006-01-11 Ian Lance Taylor <ian@airs.com>
9852 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9853 Allow undoing set of machine mode.
9854 (do_SUBST): Use enums instead of is_int.
9855 (do_SUBST_MODE): New function.
9856 (SUBST_MODE): New macro.
9857 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9858 reg and trying to replace reg_regno_rtx with a new register.
9859 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9860 (simplify_set): Use SUBST_MODE.
9861 (distribute_notes): Remove code that tried to update reg notes
9862 for regno_reg_rtx changes.
9864 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9866 PR tree-optimization/23109
9867 PR tree-optimization/23948
9868 PR tree-optimization/24123
9870 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9871 * tree-cfg.c (single_noncomplex_succ): New.
9872 * tree-flow.h (single_noncomplex_succ): Declare it.
9873 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9874 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9875 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9876 insert_bb, register_division_in, insert_reciprocals,
9877 replace_reciprocal, free_bb): New.
9878 (execute_cse_reciprocals_1): Rewritten.
9879 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9880 Do not commit any edge insertion. Always compute dominators and
9881 create the allocation pool.
9882 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9883 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9884 * targhooks.c (default_min_divistions_for_recip_mul): New.
9885 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9886 * passes.c (init_optimization_passes): Run recip after tree loop
9888 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9890 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9891 Kenneth Zadeck <zadeck@naturalbridge.com>
9893 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9894 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9895 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9896 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9897 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9898 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9899 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9900 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9901 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9902 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9903 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9904 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9905 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9906 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9907 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9908 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9909 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9910 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9911 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9912 DF_SCAN_POST_ALLOC): New macros.
9913 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9914 df_free_bb_function, df_local_compute_function, df_init_function,
9915 df_dataflow_function, df_confluence_function_0,
9916 df_confluence_function_n, df_transfer_function,
9917 df_finalizer_function, df_free_function, df_dump_problem_function,
9918 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9919 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9920 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9921 df_urec_bb_info, ) New types.
9922 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9924 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9925 df_analyze_simple_change_some_blocks,
9926 df_analyze_simple_change_one_block, df_compact_blocks,
9927 df_bb_replace, df_bb_regno_last_use_find,
9928 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9929 df_insn_regno_def_p, df_find_def, df_find_use,
9930 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9931 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9932 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9933 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9934 debug_df_chain, df_get_dependent_problem, df_chain_create,
9935 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9936 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9937 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9938 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9939 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9940 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9941 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9942 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9943 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9944 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9945 df_reorganize_refs, df_set_state, df_hard_reg_init,
9946 df_read_modify_subreg_p) New public functions.
9947 * df-core.c: The core dataflow solver and glue routines for rtl
9949 (df_init, df_add_problem, df_set_blocks, df_finish,
9950 df_hybrid_search_forward, df_hybrid_search_backward,
9951 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9952 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9953 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9954 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9955 df_reg_defined, df_find_use, df_reg_used, df_dump,
9956 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9957 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9958 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9959 debug_df_useno, reset_df_after_reload): New functions.
9960 * df-scan.c: The scanning fuctions, once in df.c, completely
9961 rewritten so that they now fully model the functionality of
9962 register usage at the backend.
9963 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9964 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9965 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9966 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9967 df_get_artificial_defs, df_get_artificial_uses,
9968 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9969 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9970 df_refs_delete, df_reorganize_refs, df_set_state,
9971 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9972 df_def_record_1, df_defs_record, df_uses_record,
9973 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9974 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9975 df_record_exit_block_uses, df_hard_reg_init): New functions.
9977 * df-problems.c: Seven concrete dataflow problems that use the
9978 scanning in df-scan.c and are solved by the engine in df-core.c.
9979 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9980 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9981 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9982 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9983 df_ru_free_bb_info, df_ru_alloc,
9984 df_ru_bb_local_compute_process_def,
9985 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9986 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9987 df_ru_transfer_function, df_ru_free, df_ru_dump,
9988 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9989 df_rd_free_bb_info, df_rd_alloc,
9990 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9991 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9992 df_rd_transfer_function, df_rd_free, df_rd_dump,
9993 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9994 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9995 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9996 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9997 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9998 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9999 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10000 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10001 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10002 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10003 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10004 df_urec_mark_reg_use_for_earlyclobber,
10005 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10006 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10007 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10008 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10009 df_chain_create_bb_process_use, df_chain_create_bb,
10010 df_chain_finalize, df_chain_free, df_chains_dump,
10011 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10012 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10013 df_reg_lifetime): New functions.
10014 * df.c: Deleted file.
10015 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10016 consistent with new df api.
10017 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10018 rest_of_handle_sms): Ditto.
10019 * web.c (unionfind_union, union_defs, entry_register, web_main):
10021 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10022 invariant_expr_equal_p, find_defs, check_dependencies,
10023 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10024 free_inv_motion_data, move_loop_invariants): Ditto.
10025 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10026 Update dependencies.
10027 (odf.c): Added defective entry that was deleted later in day.
10028 * sched-deps.c (sched_analyze_1): Ditto.
10030 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10032 * tree-ssa-operands.c (get_expr_operands): Record addressable
10033 variables directly. Do not call add_stmt_operands for CONST_DECLs
10035 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10036 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10038 2006-01-11 Ben Elliston <bje@au.ibm.com>
10040 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10041 function returns true in the positive case.
10043 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10046 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10047 for SI, DI, SF and DF modes. Add alternatives to copy between
10048 general and floating point registers to the 32-bit patterns.
10049 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10050 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10051 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10052 generating 64-bit code.
10053 * config/pa/pa.c (output_move_double): Handle copies between general
10054 and floating registers.
10056 2006-01-10 Stuart Hastings <stuart@apple.com>
10058 * config/i386/i386.md (set_got): Update.
10059 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10060 (builtin_setjmp_receiver): Mach-O support.
10061 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10062 (GOT_SYMBOL_NAME): Define.
10063 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10064 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10065 * config/i386/i386.c (override_options): Revise for Darwin.
10066 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10067 support. (darwin_x86_file_end): New. (output_set_got): Add label
10068 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10069 * config/i386/i386-protos.h (output_set_got): Likewise.
10070 * config/darwin.c (machopic_legitimize_pic_address): Update
10073 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10075 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10076 when MODE isn't BLKmode.
10078 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10080 PR rtl-optimization/25367
10081 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10083 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10086 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10087 for a negative bound.
10089 2006-01-10 Richard Guenther <rguenther@suse.de>
10091 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10092 Never override with anything constraint.
10094 2006-01-10 Jan Beulich <jbeulich@novell.com>
10096 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10097 256 bits when optimize_size.
10099 2006-01-10 Jan Beulich <jbeulich@novell.com>
10101 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10103 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10104 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10107 2006-01-10 Ben Elliston <bje@au.ibm.com>
10109 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10111 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10112 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10113 (USE_FP_FOR_ARG): Reject decimal float modes.
10114 (function_arg_advance): Likewise.
10115 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10116 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10117 point types in AltiVec vectors.
10118 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10119 (rs6000_libcall_value): Likewise.
10121 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10123 * config/xtensa/ieee754-df.S: New file.
10124 * config/xtensa/ieee754-sf.S: New file.
10125 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10126 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10127 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10129 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10131 * config/sh/predicates.md (binary_float_operator,
10132 binary_logical_operator, commutative_float_operator,
10133 equality_comparison_operator, greater_comparison_operator,
10134 less_comparison_operator, logical_operator,
10135 noncommutative_float_operator, shift_operator,
10136 symbol_ref_operand, unary_float_operator): Remove redundant
10139 2006-01-09 Jeff Law <law@redhat.com>
10141 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10142 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10143 now unused arguments. Callers updated.
10144 (eliminate_redundant_computations): Remove now unused arguments,
10146 (local_fold): Remove, no longer used.
10147 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10149 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10150 (simplify_cond): New function.
10151 (forward_propagate_into_cond): Call simplify_cond.
10153 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10155 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10156 (*vec_extractv2di_1_sse): New.
10158 2006-01-09 Ben Elliston <bje@au.ibm.com>
10160 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10162 2006-01-08 Richard Guenther <rguenther@suse.de>
10164 * tree-ssa-structalias.c (get_constraint_for): Remove
10165 anyoffset argument.
10166 (get_constraint_for_component_ref): Likewise.
10167 (do_deref): Likewise.
10168 (get_constraint_for): Likewise.
10169 (do_structure_copy): Likewise.
10170 (handle_ptr_arith): Likewise.
10171 (find_func_aliases): Likewise. Remove unused need_anyoffset
10174 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10175 Kaz Kojima <kkojima@gcc.gnu.org>
10177 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10178 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10179 (EXTRA_CONSTRAINT_C16): Remove.
10180 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10181 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10182 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10183 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10184 constants of SHmedia. Handle nested constant expressions of
10186 (andcosts): Fix the costs for SHmedia constants.
10187 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10188 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10189 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10190 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10191 (movv4hi_i, movv2si_i): Likewise.
10192 (movsi_const): Adjust the second operand of ior so to match with
10193 the Csu constraint.
10194 (movdi_const, movdi_const_32bit): Likewise.
10195 (movdi_const_16bit+1): Don't sign-extend LOW.
10196 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10198 (*double_shori): Fix the split condition. Use GEN_INT instead
10199 of get_int_mode calls. Mask lower 16-bit of the argument of
10201 (sym2GOTPLT): Remove.
10202 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10204 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10205 instead of EXTRA_CONSTRAINT_C16.
10207 2006-01-07 Ian Lance Taylor <ian@airs.com>
10208 David Edelsohn <edelsohn@gnu.org>
10210 PR rtl-optimization/25662
10211 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10212 for constant operands instead of simplify_gen_binary.
10213 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10214 after trying simplify_binary_operation
10216 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10218 * tree.c (iterative_hash_expr): Hash decls based on UID.
10220 2006-01-06 Eric Christopher <echristo@apple.com>
10222 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10223 (TARGET_UNWIND_EMIT): Fix spelling.
10224 * target.h (gcc_target): Add except_table_label.
10225 * except.c (output_function_exception_table): Use.
10226 * varasm.c (default_emit_except_table_label): New.
10227 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10229 (asm_out): Add here.
10230 * output.h (default_emit_except_table_label): Prototype.
10231 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10232 * config/darwin.c (darwin_emit_except_table_label): Define.
10233 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10235 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10237 PR tree-optimization/18527
10238 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10239 number_of_iterations_special, number_of_iterations_exit):
10240 Move base and step of an iv to a single structure. Add
10241 no_overflow flag, and use it in # of iterations analysis.
10242 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10243 folded_casts argument.
10244 (simple_iv): Pass base and step in a structure. Set no_overflow
10246 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10247 Evaluate expensiveness of computing # of iterations instead of
10248 the final expression.
10249 * tree-scalar-evolution.h (affine_iv): New structure.
10250 (simple_iv): Declaration changed.
10251 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10252 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10253 find_givs_in_stmt): Changed due to simple_iv change.
10255 2006-01-06 Jeff Law <law@redhat.com>
10258 * tree-cfg.c (bsi_replace): Rename final argument from
10259 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10260 change (stmt -> orig_stmt).
10261 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10262 (bsi_remove): Add new argument. Remove EH information
10264 (verify_eh_throw_table_statements): New function.
10265 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10267 * tree-optimize.c (execute_free_cfg_annotations): Verify
10268 the EH throw statement table after removing annotations.
10269 * except.h (verify_eh_throw_table_statements): Prototype.
10270 * tree-flow.h (bsi_remove): Update prototype.
10271 * tree-vrp.c (remove_range_assertions): Add new argument to
10273 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10274 * tree-complex.c (expand_complex_div_wide): Likewise.
10275 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10276 * tree-tailcall.c (eliminate_tailcall): Likewise.
10277 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10278 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10279 * tree-nrv.c (tree_nrv): Likewise.
10280 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10281 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10282 (combine_blocks): Likewise.
10283 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10284 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10285 (cleanup_control_flow): Likewise.
10286 (remove_forwarder_block): Likewise.
10287 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10288 * tree-sra.c (sra_replace): Likewise.
10289 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10290 (forward_propagate_single_use_vars): Likewise.
10291 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10292 * tree-inline.c (expand_call_inline): Likewise.
10293 * tree-vect-transform.c (vect_transform_loop): Likewise.
10294 * tree-outof-ssa.c (rewrite_trees): Likewise.
10295 * tree-cfg.c (make_goto_expr_edges): Likewise.
10296 (cleanup_dead_labels): Likewise.
10297 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10298 (bsi_move_before, bsi_move_after): Likewise.
10299 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10300 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10302 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10305 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10307 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10308 on non gimple variables. Also add checks at the top for decls and
10310 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10312 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10313 and IMAGPART_EXPR for creating MUST_DEFs.
10314 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10315 and NAME_MEMORY_TAG separately from the DECLs.
10317 2006-01-06 Richard Guenther <rguenther@suse.de>
10319 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10320 annotation, if necessary.
10321 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10322 redundant calls to update_stmt.
10323 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10326 2006-01-05 Richard Henderson <rth@redhat.com>
10328 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10330 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10332 * c-typeck.c: Update copyright date.
10334 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10336 * c-typeck.c (build_c_cast): Always warn when casting
10337 from a pointer to an integer of different size, even if
10338 the node was constant.
10340 2006-01-05 Richard Guenther <rguenther@suse.de>
10342 PR tree-optimization/22555
10343 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10344 if one structure field is an array.
10345 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10346 operands even if we found a subvar, but ignore VOPs in this
10348 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10350 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10352 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10354 PR middle-end/24998
10355 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10357 2006-01-05 Richard Guenther <rguenther@suse.de>
10358 Diego Novillo <dnovillo@redhat.com>
10360 * tree-pass.h (TODO_remove_unused_locals): Define.
10361 * gimple-low.c (expand_var_p, remove_useless_vars,
10362 pass_remove_useless_vars): Remove. Update all users.
10363 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10364 (remove_unused_locals): New function.
10365 * tree-flow.h (remove_unused_locals): Declare.
10366 * passes.c (execute_todo): Call remove_unused_locals if
10367 TODO_remove_unused_locals is set.
10368 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10369 * tree-ssa-dce.c (pass_dce): Likewise.
10370 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10372 2006-01-05 Richard Guenther <rguenther@suse.de>
10374 * tree-flow.h (struct fieldoff): Decompose field to
10375 type, size and decl.
10376 * tree-ssa-alias.c (create_sft): Take type as parameter.
10377 (create_overlap_variables_for): Store type, size and decl
10378 in the fieldoff structure.
10379 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10380 of struct fieldoff.
10381 (push_fields_onto_fieldstack): Likewise.
10382 (create_variable_info_for): Likewise. Use offset for the
10383 SFT name if the decl is not available.
10385 2006-01-04 Paul Brook <paul@codesourcery.com>
10387 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10389 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10391 * lambda-code.c (can_put_in_inner_loop): Relax
10393 (can_put_after_inner_loop): New function.
10394 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10395 (perfect_nestify): Change to make copies and modify uses.
10397 2006-01-04 Richard Henderson <rth@redhat.com>
10399 Merge from gomp branch:
10400 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10401 via integer constant.
10402 (pragma_lex): Remove.
10403 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10404 rather than parsing it.
10405 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10406 handle_pragma_extern_prefix): Add %< %> quotes.
10407 (registered_pragmas): New.
10408 (c_register_pragma_1): New.
10409 (c_register_pragma): Use it.
10410 (c_register_pragma_with_expansion): Likewise.
10411 (c_invoke_pragma_handler): New.
10412 (init_pragma): Use cpp_register_deferred_pragma directly for
10414 * c-pragma.h (enum pragma_kind): New.
10415 (pragma_handler): New.
10416 (c_invoke_pragma_handler): Declare.
10417 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10419 * c-common.h (c_common_pch_pragma): Update decl.
10420 * Makefile.in (c-parser.o): Update dependencies.
10421 (GTFILES): Add c-pragma.h.
10422 * c-parser.c (struct c_token): Add pragma_kind.
10423 (struct c_parser): Add in_pragma.
10424 (c_lex_one_token): Always initialize keyword and pragma_kind.
10425 Extract data for CPP_PRAGMA.
10426 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10427 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10428 Don't allow CPP_PRAGMA_EOL if in_pragma.
10429 (c_parser_consume_pragma): New.
10430 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10431 (c_parser_skip_to_end_of_parameter): Likewise.
10432 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10433 (c_parser_skip_to_pragma_eol): New.
10434 (c_parser_external_declaration): Handle CPP_PRAGMA.
10435 (c_parser_compound_statement_nostart): Likewise.
10436 (c_parser_statement_after_labels): Likewise.
10437 (c_parser_pragma): New.
10438 (pragma_lex): Likewise.
10439 (c_parser_pragma_pch_preprocess): New.
10440 (c_parser_new): Merge into ...
10441 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10443 2006-01-04 Jeff Law <law@redhat.com>
10446 * tree-cfg.c (bsi_replace): Remove the original statement
10447 from the EH throw statement table.
10449 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10451 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10452 make the prototype extern "C" and add throw ().
10455 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10456 and pos non-negative and pos + len <= 32.
10457 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10458 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10459 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10462 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10463 as well as sizes not multiple of component size.
10466 * function.c (instantiate_expr): New function.
10467 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10468 walk its DECL_VALUE_EXPR with instantiate_expr.
10470 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10471 DW_OP_deref{,_size} if address isn't going to be added.
10473 2006-01-04 Ben Elliston <bje@au.ibm.com>
10475 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10476 * config/fp-bit.c: Likewise.
10478 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10480 * dominance.c: Add comment about why we use DFS numbering
10483 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10484 Richard Henderson <rth@redhat.com>
10486 Merge from gomp-branch:
10487 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10488 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10490 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10492 PR rtl-optimization/25578
10493 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10494 pass a parameter to simplify_shift_const if changing ASHIFTRT
10497 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10499 * builtins.c (get_builtin_sync_mem): New function.
10500 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10501 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10502 Call get_builtin_sync_mem to generate mem rtx.
10504 2006-01-03 Richard Guenther <rguenther@suse.de>
10507 * stmt.c (add_case_node): Make sure to clear overflow flags
10510 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10512 Merge from gomp-branch.
10513 * config/sparc/sync.md: New file.
10514 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10515 UNSPECV_LDSTUB): New constants.
10516 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10517 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10518 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10521 2006-01-03 Roger Sayle <roger@eyesopen.com>
10523 * combine.c (reg_subword_p): New predicate to test whether the
10524 destination of a set refers to a subword/piece of a register.
10525 (try_combine): Generalize the code to merge the setting of a
10526 pseudo to a constant followed by a set of a subword of that
10527 register to a constant.
10529 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10531 * basic-block.h (control_flow_graph): Change the type of
10532 x_label_to_block_map to VEC(basic_block,gc) *.
10533 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10534 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10536 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10537 VEC(basic_block,heap) *.
10538 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10539 ssa_prop_fini): Adjust the uses of cfg_blocks.
10541 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10543 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10545 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10546 hashing trees instead of a pointer hash.
10547 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10548 compare for MEM_EXPR.
10550 PR rtl-optimization/25130
10551 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10552 when comparing MEMs for GCSE
10554 2006-01-03 Ben Elliston <bje@au.ibm.com>
10556 * targhooks.h (default_decimal_float_supported_p): Declare.
10557 * targhooks.c (default_decimal_float_supported_p): Define.
10558 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10559 `default_decimal_float_supported_p'.
10560 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10562 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10564 * combine.c (apply_distributive_law <SUBREG>): Check
10565 TRULY_NOOP_TRUNCATION.
10567 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10569 * dwarf2out.c (have_switched_text_section): Delete.
10570 (have_multiple_function_sections): New.
10571 (have_location_lists): Make 'bool'.
10572 (add_AT_loc_list): Use 'true' not '1'.
10573 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10574 (output_loc_list): Use have_multiple_function_sections.
10575 (output_ranges): Likewise.
10576 (dwarf2out_begin_function): Set have_multiple_function_sections if
10578 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10579 Check function_section rather than DECL_SECTION_NAME.
10580 (dwarf2out_finish): Use have_multiple_function_sections.
10581 Don't clear have_location_lists.
10583 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10584 Jan Hubicka <jh@suse.cz>
10586 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10587 case of conditional jump jumping to the next instruction.
10588 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10589 cases of conditional jump jumping to the next instruction.
10591 2006-01-02 Jan Hubicka <jh@suse.cz>
10593 * i386.c (*_cost): Add COSTS_N_INSNS.
10594 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10596 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10599 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10601 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10603 * config/arm/arm.c (all_fpus): Fix comment typo.
10604 * config/darwin.c: Likewise.
10605 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10606 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10607 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10609 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10611 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10612 (rs6000_split_compare_and_swapqhi): New.
10613 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10614 (sync_compare_and_swapqhi_internal): New.
10615 * config/rs6000/rs6000-protos.h: Declare.
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