1 2006-05-04 Jan Hubicka <jh@suse.cz>
4 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9 that this only matches CONST_INTs. All users changed to VOIDmode
12 * config/bfin/bfin.c: Include "optabs.h".
13 (bfin_rtx_costs): Some costs for vector operations, to allow combine
15 (enum bfin_builtins): Add a number of fractional and vector builtins.
16 (bfin_init_builtins): Likewise.
17 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
18 (safe_vector_operand, bfin_expand_binop_builtin,
19 bfin_expand_unop_builtin): New functions.
20 (bfin_expand_builtin): Handle the new builtins.
21 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
24 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
27 * Makefile.in (OBJS-common): Add see.o.
28 (see.o): Add dependencies.
29 * common.opt (fsee): New flag for the see optimization was added.
30 * opts.c (flag_see): Initialized.
31 * passes.c (init_optimization_passes, pass_see): New pass.
32 * rtl.h (see_main): Declaration as extern.
33 * timevar.def (TV_SEE): New.
34 * tree-pass.h (pass_see): Declaration as extern.
35 * invoke.texi (-fsee): Document.
36 * recog.c (validate_simplify_insn): New function.
37 * recog.h (validate_simplify_insn): Declaration as extern.
38 * df-problems.c (df_chain_dump): Check for NULL.
40 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
41 Daniel Berlin <dberlin@dberlin.org>
43 * cfgrtl.c (insert_insn_bb_end_new): New function.
44 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
46 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
48 * df.h (struct web_entry): Moved from web.c.
49 (union_defs): Declaration as extern.
50 (unionfind_root): Likewise.
51 (unionfind_union): Likewise.
52 * web.c (struct web_entry): Moved to df.h.
53 (unionfind_root): Remove static declaration.
54 (unionfind_union): Likewise.
55 (union_defs): Likewise and generalize to use callback function.
56 (web_main): Update arguments for union_defs function call.
58 2006-05-04 Richard Guenther <rguenther@suse.de>
60 PR tree-optimization/26447
61 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
62 produce SSA_NAME copies before the store stmt to avoid
63 breaking exception handling.
65 2006-05-04 Jakub Jelinek <jakub@redhat.com>
68 * gimplify.c (omp_is_private): If var is shared in some outer context,
69 return false instead of true. Stop searching on parallel context
72 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
75 * coverage.c: Use get_gcov_unsigned_t() instead of
76 unsigned_type_node all over.
78 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
80 PR tree-optimization/27381
81 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
82 maintain the same immediate_use links.
83 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
84 node rather than segfaulting.
86 2006-05-03 Jakub Jelinek <jakub@redhat.com>
89 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
90 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
91 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
93 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
95 Fix PR tree-optimization/26626
96 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
98 * tree-ssa-operands.c (access_can_touch_variable): Allow
99 typecasting through union pointers.
101 2006-05-02 Jakub Jelinek <jakub@redhat.com>
104 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
105 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
106 to find if var will be a global variable even in the nested context.
107 (omp_copy_decl): Only check for global variable at the end, it might
108 be overridden in outer contexts.
109 (scan_sharing_clauses): For global variables don't create a field.
110 (lower_rec_input_clauses): Do nothing for global shared variables.
111 Emit a barrier at the end of ILIST if there were any decls in both
112 firstprivate and lastprivate clauses.
113 (lower_send_clauses): Do nothing for global variables except for
116 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
118 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
119 of the correct signedness is returned.
121 2006-05-02 Jeff Law <law@redhat.com>
123 PR tree-optimization/27364
124 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
125 multiply expressions.
127 2006-05-02 Tom Tromey <tromey@redhat.com>
129 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
131 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
134 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
135 -mthumb -fPIC are used.
137 2006-05-02 Joshua Kinard <kumba@gentoo.org>
140 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
141 with 64-bit pointers.
143 2006-05-02 Paul Brook <paul@codesourcery.com>
145 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
147 (create_fix_barrier): Check that a suitable barrier location is
149 (arm_reorg): Include ftmp->address in allowable range of addresses.
151 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
154 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
157 2006-05-02 Jakub Jelinek <jakub@redhat.com>
160 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
161 around RESULT_DECL for result passed by reference.
162 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
163 * omp-low.c (use_pointer_for_field): Don't look at
164 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
165 (scan_omp_1): Call remap_decl on RESULT_DECLs.
166 (lower_rec_input_clauses): Don't allocate VLA memory for the second
167 time or var for passing by reference for
168 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
169 TREE_ADDRESSABLE variables when passing by reference.
171 * omp-low.c (dump_omp_region): Fix output formatting.
174 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
175 (expand_omp_parallel): Likewise.
176 * tree-cfg.c (move_sese_region_to_fn): Likewise.
179 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
180 on statement list containing also constructors and destructors.
181 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
184 * except.c (duplicate_eh_regions): Fix clearing of
185 cfun->eh->region_array entries.
187 2006-05-01 DJ Delorie <dj@redhat.com>
189 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
191 (gcc_cv_objdump): Likewise.
192 * configure: Regenerated.
194 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
197 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
198 templates for case 3 and 4.
200 2006-05-01 DJ Delorie <dj@redhat.com>
202 * vec.c: Include bconfig.h when appropriate.
203 * Makefile.in (build/vec.o): Adjust dependencies.
204 * mkconfig.sh: Make sure config.h isn't used for build machine
207 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
209 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
211 (mark_phi_for_rewrite): New function.
212 (insert_phi_nodes_for, mark_use_interesting): Call
213 mark_phi_for_rewrite.
214 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
215 (update_ssa): Initialize and free phis_to_rewrite.
217 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
219 PR rtl-optimization/27291
220 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
221 folded to a constant.
223 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
225 PR tree-optimization/27283
226 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
227 not whole # of iteration descriptions.
228 (niter_for_exit): Return just # of iterations. Fail if # of iterations
229 uses abnormal ssa name.
230 (niter_for_single_dom_exit): Ditto.
231 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
232 return just the number of iterations.
234 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
236 PR tree-optimization/27144
237 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
238 (record_estimate): Only record constant upper bound.
239 (infer_loop_bounds_from_undefined): Call
240 compute_estimated_nb_iterations just once.
241 (proved_non_wrapping_p): Renamed to ...
242 (n_of_executions_at_most): ... this. Expect bound to be a constant.
243 (convert_step_widening, scev_probably_wraps_p): Call
244 n_of_executions_at_most instead of proved_non_wrapping_p.
245 (substitute_in_loop_info): Do not replace values in bounds.
246 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
249 2006-05-01 Richard Henderson <rth@redhat.com>
252 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
253 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
256 2006-05-01 Roger Sayle <roger@eyesopen.com>
258 * c-typeck.c (parser_build_binary_op): Don't call the function
259 unsigned_conversion_warning to spot operand/result type overflow.
260 (build_binary_op): Instead, call convert_and_check instead of
261 convert to report the problem when the operands are promoted.
262 * c-common.c (unsigned_conversion_warning): Make static.
263 * c-common.h (unsigned_conversion_warning): Delete prototype.
265 2006-05-01 Richard Guenther <rguenther@suse.de>
267 PR tree-optimization/26726
268 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
270 (find_interesting_uses_address): ... we work around here
271 by folding INDIRECT_REFs in the substituted base.
273 2006-05-01 Diego Novillo <dnovillo@redhat.com>
275 * omp-low.c (dump_omp_region): Add newlines.
277 2006-04-30 Roger Sayle <roger@eyesopen.com>
279 * common.opt (Woverflow): New command line option.
280 * c-common.c (constant_expression_warning): Check warn_overflow.
281 (overflow_waring): Pass OPT_Woverflow to warning.
282 (unsigned_conversion_warning): Likewise.
283 (convert_and_check): Likewise.
284 * doc/invoke.texi: Document new command line option.
286 2006-04-30 David Edelsohn <edelsohn@gnu.org>
288 * config/rs6000/rs6000.c (rs6000_override_options): Enable
289 TARGET_NO_FP_IN_TOC for section anchors.
290 (optimization_options): Enable section anchors for all
291 non-"Objective" languages.
293 2006-04-28 Eric Christopher <echristo@apple.com>
295 * config/darwin-c.c (darwin_ms_struct): Move this
296 (darwin_set_default_type_attributes): and this...
297 * config/darwin.c: ... here.
298 * config/darwin.h (darwin_ms_struct): Declare.
300 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
302 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
304 2006-04-28 Roger Sayle <roger@eyesopen.com>
307 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
308 (push_array_bounds): Delete prototype. Change BOUNDS argument to
309 an unsigned HOST_WIDE_INT.
310 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
312 (really_start_incremental_init): No need to call convert because
313 bitsize_zero_node is already of type bitsizetype.
314 (push_init_level): Extract the value of constructor_index as an
315 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
316 (process_init_element): Likewise.
318 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
320 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
321 value before passing to make_relative_prefix.
323 2006-04-28 Alan Modra <amodra@bigpond.net.au>
326 * builtins.c (expand_builtin_memset): Expand val in original mode.
328 2006-04-27 Eric Christopher <echristo@apple.com>
330 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
332 * config/darwin-c.c (darwin_ms_struct): New.
333 (darwin_pragma_ms_struct): Ditto.
334 (darwin_set_default_type_attributes): Ditto.
335 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
336 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
337 Register ms_struct pragma.
338 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
339 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
340 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
341 darwin_set_default_type_attributes if TARGET_MACHO.
343 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
345 PR tree-optimization/26854
346 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
347 * doc/tree-ssa.texi: Update immuse iterator documentation.
348 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
349 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
350 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
351 first_safe_imm_use, next_safe_imm_use): Remove.
352 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
353 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
354 (move_use_after_head): New. Helper function to sort immuses in a stmt.
355 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
356 (first_imm_use_stmt): New. Get first stmt in an immuse list.
357 (next_imm_use_stmt): New. Get next stmt in an immuse list.
358 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
359 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
360 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
361 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
362 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
363 (perfect_nestify): Use new iterator.
364 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
366 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
367 (next_imm_name): New field in struct immediate_use_iterator_d.
368 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
369 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
370 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
371 * tree-cfg.c (replace_uses_by): Use new iterator.
372 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
373 * tree-ssa-operands.c (correct_use_link): Remove.
374 (finalize_ssa_use_ops): No longer call correct_use_link.
376 2006-04-27 Stuart Hastings <stuart@apple.com>
378 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
379 * config/t-darwin (crt3.o): Use it.
380 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
381 'pmode', use Pmode instead of SImode for SYMBOL_REF.
382 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
383 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
384 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
387 2006-04-27 Roger Sayle <roger@eyesopen.com>
389 * expmed.c (store_fixed_bit_field): If we're not optimizing for
390 size, force the intermediate into a new pseudo rather instead of
391 performing both a bitwise AND and a bitwise IOR in memory.
393 2006-04-27 Richard Guenther <rguenther@suse.de>
395 PR rtl-optimization/26685
396 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
397 this one "max-flow-memory-locations".
399 2006-04-27 Richard Guenther <rguenther@suse.de>
401 PR tree-optimization/25148
402 * tree-vrp.c (compare_values): Remove code dealing with
403 comparisons against type min/max value. Honour overflow
404 and negative constants in code dealing with comparisons
405 of plus and minus expressions.
406 (value_inside_range): Use fold_binary with LE_EXPR and
407 GE_EXPR rather than compare_values.
409 2006-04-27 Dirk Mueller <dmueller@suse.de>
411 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
414 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
416 * basic-block.h (safe_insert_insn_on_edge): Removed.
417 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
420 2006-04-26 David Edelsohn <edelsohn@gnu.org>
421 Paolo Bonzini <bonzini@gnu.org>
424 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
425 (simplify_and_const_int): Same.
427 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
429 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
431 2006-04-26 Jakub Jelinek <jakub@redhat.com>
434 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
435 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
436 cgraph_global_info_ready.
439 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
442 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
443 either decl or init is error_mark_node.
446 * tree-flow.h (struct omp_region): Add sched_kind.
447 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
448 instead of extracting omp for data.
449 (expand_omp_for): Save extracted sched_kind.
451 2006-04-25 Roger Sayle <roger@eyesopen.com>
453 * expmed.c (store_bit_field): Also check whether the bitsize is
454 valid for the machine's "insv" instruction before moving the
455 target into a pseudo for use with the insv.
456 * config/i386/predicates.md (const8_operand): New predicate.
457 * config/i386/i386.md (extv, extzv, insv): Use the new
458 const8_operand predicate where appropriate.
460 2006-04-25 DJ Delorie <dj@redhat.com>
462 * doc/install.texi (Specific): Clarify that this is not a list of
463 supported hosts or targets.
465 2006-04-25 Richard Sandiford <richard@codesourcery.com>
467 PR rtl-optimization/26725
468 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
469 block's BB_DIRTY flag.
471 2006-04-25 Geoffrey Keating <geoffk@apple.com>
473 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
476 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
479 2006-04-25 David Edelsohn <edelsohn@gnu.org>
481 * varasm.c (align_variable): New function.
482 (get_block_for_decl): Apply align_variable to DECL before
483 calculating section information.
484 (assemble_variable): Split out alignment computation.
486 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
488 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
491 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
493 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
494 MODE_PARTIAL_INT mode.
495 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
496 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
498 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
499 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
501 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
503 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
505 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
506 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
507 MACFLAG_IH): Likewise.
508 (movstricthi_1): Renamed from "*movstricthi".
509 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
510 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
511 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
512 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
513 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
514 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
515 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
516 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
517 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
518 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
519 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
520 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
521 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
522 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
523 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
525 * doc/rtl.texi (ss_ashift): Improve wording.
527 2006-04-24 Geoffrey Keating <geoffk@apple.com>
529 * dwarf2out.c (verify_marks_clear): New.
530 (prune_unused_types): Call verify_marks_clear initially, not
533 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
535 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
536 * doc/rtl.texi: Document them.
537 * simplify-rtx.c (simplify_unary_operation,
538 simplify_binary_operation_1): Don't abort when we see them.
540 2006-04-24 Mark Mitchell <mark@codesourcery.com>
543 2006-04-23 Mark Mitchell <mark@codesourcery.com>
544 * configure.ac: Completely disregard languages that are not
546 * configure: Regenerated.
548 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
549 Richard Guenther <rguenther@suse.de>
551 PR tree-optimization/27236
552 * tree-inline.c (copy_body_r): Make sure to copy
553 TREE_THIS_VOLATILE flag.
555 2006-04-24 Richard Guenther <rguenther@suse.de>
558 * tree-complex.c (update_parameter_components): Don't handle
559 unused parameters which have no default def.
561 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
562 Richard Guenther <rguenther@suse.de>
564 PR tree-optimization/27218
565 * tree-inline.c (expand_call_inline): Strip useless type
566 conversions for the return slot address.
568 2006-04-24 Richard Guenther <rguenther@suse.de>
570 * cfgloop.h (struct loops): Remove unused field array. Reorder
572 (LOOP_PREFETCH): Remove.
574 2006-04-24 Richard Guenther <rguenther@suse.de>
576 PR tree-optimization/22525
577 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
578 variable, adjust types of generated expressions.
580 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
582 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
583 (tree-vect-patterns.o): Likewise.
585 (cselib.o): Likewise.
586 (loop-doloop.o): Likewise.
587 (regclass.o): Likewise.
588 (reload1.o): Likewise.
589 (explow.o): Replace target.h with $(TARGET_H).
590 (ipa-prop.o): Likewise.
591 (ipa-cp.o): Likewise.
592 (ipa-inline.o): Likewise.
594 (reg-stack.o): Likewise.
596 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
598 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
600 2006-04-23 Mark Mitchell <mark@codesourcery.com>
602 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
604 * configure.ac: Completely disregard languages that are not
606 * configure: Regenerated.
609 * c-common.h (c_build_bitfield_integer_type): Declare.
610 * c-decl.c (c_build_bitfield_integer_type): Move to ...
611 * c-common.c (c_build_bitfield_integer_type): ... here.
613 2006-04-23 Roger Sayle <roger@eyesopen.com>
616 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
617 a SImode SUBREG of a floating point register after no_new_pseudos.
619 2006-04-23 Roger Sayle <roger@eyesopen.com>
621 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
622 identify potentially eliminable registers to additionally catch
623 VIRTUAL_INCOMING_ARGS_REGNUM.
624 (addsi3): Update the conditions on when to use addsi_small_int.
626 2006-04-23 Roger Sayle <roger@eyesopen.com>
629 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
630 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
631 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
633 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
635 * fold-const.c (range_predecessor): Use operand_equal_p
636 as the predicate for equality.
637 (range_successor): Likewise.
639 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
642 * config/soft-fp/op-common.h: Fix a typo.
644 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
647 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
648 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
650 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
652 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
654 * doc/tm.texi: Fix a typo.
656 2006-04-21 Geoffrey Keating <geoffk@apple.com>
658 * dwarf2out.c (struct die_struct): Document that die_sib makes
659 a circular linked list.
660 (FOR_EACH_CHILD): New.
661 (reverse_die_lists): Delete.
662 (reverse_all_dies): Delete.
663 (add_dwarf_attr): Correct documentation.
664 (remove_child_with_prev): New.
665 (remove_child_TAG): Update for change to die_struct, use
666 remove_child_with_prev.
667 (add_child_die): Update for change to die_struct.
668 (splice_child_die): Use remove_child_with_prev and add_child_die.
669 (print_die): Use FOR_EACH_CHILD.
670 (die_checksum): Likewise.
671 (assign_symbol_names): Likewise.
672 (output_location_lists): Likewise.
673 (build_abbrev_table): Likewise.
674 (calc_die_sizes): Likewise.
675 (mark_dies): Likewise.
676 (unmark_dies): Likewise.
677 (unmark_all_dies): Likewise.
678 (output_die): Likewise.
679 (prune_unused_types_mark): Likewise.
680 (prune_unused_types_walk): Likewise.
681 (same_die_p): Update for change to die_struct.
682 (break_out_includes): Likewise.
683 (prune_unused_types_prune): Likewise.
684 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
685 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
687 (dwarf2out_finish): Don't call reverse_all_dies.
689 2006-04-21 Eric Christopher <echristo@apple.com>
691 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
692 in comments and function names.
694 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
697 * c-typeck.c (digest_init): Robustify.
699 * c-typeck.c (pop_init_level): Simplify.
701 2006-04-21 Steve Ellcey <sje@cup.hp.com>
703 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
705 2006-04-21 Paul Brook <paul@codesourcery.com>
707 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
708 hardware floating point.
710 2006-04-21 David Edelsohn <edelsohn@gnu.org>
712 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
715 2006-04-21 Nick Clifton <nickc@redhat.com>
717 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
720 2006-04-21 Alan Modra <amodra@bigpond.net.au>
723 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
724 C++ lang type in traceback table for Objective-C++.
726 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
728 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
730 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
732 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
735 * tree-mudflap.c (mudflap_finish_file): Skip function when there
736 were errors. Remove check for erroneous objects.
738 2006-04-20 Jeff Law <law@redhat.com>
740 PR tree-optimization/26854
741 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
742 checking for zero or one use.
743 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
744 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
745 * tree-ssa-reassoc.c (negate_value): Similarly.
746 (reassociate_bb): Similarly.
748 2006-04-20 Jakub Jelinek <jakub@redhat.com>
750 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
751 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
752 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
754 2006-04-20 Alan Modra <amodra@bigpond.net.au>
756 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
757 fp regs if the last fp arg doesn't fit in regs.
759 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
762 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
763 that the last insn has the REG_INC note.
765 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
766 Nathan Sidwell <nathan@codesourcery.com>
769 * stor-layout.c (update_alignment_for_field): Do not align
771 (place_union_field): Place union field at the start of the union.
772 (place_field): Move ERROR_MARK check later, and use the current
773 allocation position to maintain monotonicity.
775 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
777 * dominance.c: Include timevar.h.
778 (calculate_dominance_info): Use TV_DOMINANCE.
779 * timevar.def (TV_DOMINANCE): New timevar.
780 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
782 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
784 PR rtl-optimization/14261
785 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
786 move would be an INSV insn.
787 (noce_process_if_block): Don't optimize if the destination is a
788 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
790 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
792 * config/s390/s390.md: Add comments with the instructions emitted
793 by an insn pattern if macros are used.
795 2006-04-19 Alan Modra <amodra@bigpond.net.au>
797 PR rtl-optimization/26026
798 * fold-const.c (fold_binary): Optimize div and mod where the divisor
799 is a known power of two shifted left a variable amount.
801 2006-04-18 Geoffrey Keating <geoffk@apple.com>
803 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
804 to hash table twice when the debug_str section has SECTION_MERGE.
806 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
808 * config/soft-fp: New directory. From glibc.
809 * config/soft-fp/t-softfp: New.
810 * config/soft-fp/README: New.
811 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
812 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
813 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
814 (LIBGCC_DEPS): Add $(SFP_MACHINE).
815 * config.gcc: Use rs6000/t-fprules-fpbit or
816 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
818 * config/rs6000/sfp-machine.h: New. Based on glibc.
819 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
821 * config/rs6000/t-fprules: Remove fp-bit rules.
822 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
823 * config/rs6000/t-linux64: Likewise. Remove duplicates from
824 LIB2FUNCS_EXTRA. Remove fp-bit rules.
825 (softfp_wrap_start, softfp_wrap_end): New.
827 2006-04-18 DJ Delorie <dj@redhat.com>
829 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
831 2006-04-18 Devang Patel <dpatel@apple.com>
833 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
835 2006-04-18 Nick Clifton <nickc@redhat.com>
837 * config/sh/t-symbian: Add rule to build sh-c.o
838 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
839 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
840 (sh_symbian_encode_section_info): Likewise.
842 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
844 * builtins.c (expand_builtin_strcmp): Cover label definition of
845 do_libcall with HAVE_cmpstrnsi.
847 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
849 * function.c (temp_slots_at_level, max_slot_level): Use VEC
851 * function.h (temp_slot_p): New.
852 (function): Change the type of x_used_temp_slots to
853 VEC(temp_slot_p,gc) *.
855 2006-04-18 Nick Clifton <nickc@redhat.com>
857 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
858 flag_strength_reduce.
860 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
862 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
866 Partial revert of revision 112637
867 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
868 Dale Johannesen <dalej@apple.com>
871 * regclass.c (struct reg_pref): Update documentation.
872 (regclass): Set prefclass to NO_REGS if memory is the best option.
873 (record_reg_classes): Cope with a prefclass set to NO_REGS.
875 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
877 PR tree-optimization/26821
878 * tree-ssa-math-opts.c (get_constant_one): New.
879 (insert_reciprocals): Use it.
881 2006-04-17 Geoffrey Keating <geoffk@apple.com>
883 * dwarf2out.c (free_AT): Delete.
884 (remove_AT): Update string ref counts.
885 (remove_child_TAG): Don't call free_die.
887 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
889 (prune_unused_types_walk_attribs): Reset string refcounts.
890 (prune_unused_types_update_strings): New.
891 (prune_unused_types_prune): Don't make unnecessary stores. Don't
892 call free_die. Do call prune_unused_types_update_strings.
893 (prune_unused_types): Empty debug_str_hash.
895 2006-04-17 Roger Sayle <roger@eyesopen.com>
897 * expr.c (expand_assignment): Optimize away no-op moves where the
898 source and destination are equal and have no side-effects.
900 2006-04-17 Richard Guenther <rguenther@suse.de>
903 * reload.c (push_reload): Guard calls to get_secondary_mem
906 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
908 * alias.c (reg_base_value, old_reg_base_value): Change the
909 type to VEC(rtx,gc) *.
910 (REG_BASE_VALUE, find_base_value, record_set,
911 init_alias_analysis): Use VEC instead of VARRAY.
913 * alias.c (alias_sets): Change the type to
914 VEC(alias_set_entry,gc) *.
915 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
916 VEC instead of VARRAY.
917 (last_alias_set): Remove.
919 * cgraph.h (cgraph_edge_p): New.
920 Update the prototype of cgraph_function_versioning.
921 * cgraphunit.c (cgraph_copy_node_for_versioning,
922 cgraph_function_versioning): Use VEC instead of VARRAY.
923 * ipa-cp.c (ipcp_insert_stage): Likewise.
925 2006-04-16 Roger Sayle <roger@eyesopen.com>
928 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
929 "A op B" or "A op C", we may need to convert A to the type of B and C.
931 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
933 * target.h (struct gcc_target): Add mode_rep_extended.
934 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
935 (init_num_sign_bit_copies_in_rep): Initialize it using
937 (truncate_to_mode): Use it.
938 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
939 * targhooks.h (default_mode_rep_extended): Declare it.
940 * targhooks.c (default_mode_rep_extended): Define it.
941 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
942 default_mode_rep_extended.
943 (TARGET_INITIALIZER): Include it.
944 * doc/tm.texi (Misc): Document it.
945 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
946 (mips_truncated_to_mode): New function.
948 2006-04-16 Roger Sayle <roger@eyesopen.com>
951 * expr.c (compress_float_constant): Copy the narrow constant into
952 a new pseudo before extending it to its final width.
954 2006-04-16 Roger Sayle <roger@eyesopen.com>
955 Andrew Pinski <pinskia@gcc.gnu.org>
956 Dale Johannesen <dalej@apple.com>
959 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
960 special case code to implement V8HImode and V16QImode with SSE2.
962 2006-04-15 Roger Sayle <roger@eyesopen.com>
964 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
965 trees are constructed with a suitable tree type.
967 2006-04-15 Roger Sayle <roger@eyesopen.com>
969 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
970 (integer_onep): Likewise.
971 (integer_all_onesp): Likewise.
972 (integer_pow2p): Likewise.
973 (integer_nonzerop): Likewise.
974 (real_zerop): Likewise.
975 (real_onep): Likewise.
976 (real_twop): Likewise.
977 (real_minus_onep): Likewise.
978 (int_size_in_bytes): Likewise.
979 (host_integerp): Likewise.
981 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
983 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
984 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
985 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
987 * tree-ssa-structalias.h (alias_info): Remove num_references.
989 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
991 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
992 (output_bvb patterns): Likewise.
993 * pa.c (output_bb): Use 'bb' insn for long branch case.
994 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
995 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
996 1. Correct length operand for alternatives 1 and 2.
997 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
998 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1000 2006-04-14 Roger Sayle <roger@eyesopen.com>
1002 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1003 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1004 were accidentally reverted by r112959.
1006 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1009 * except.h (eh_region_outermost): New prototype.
1010 * except.c (eh_region_outermost): New function.
1011 * tree-cfg.c (find_outermost_region_in_block): Use it.
1013 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1015 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1017 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1018 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1019 (init_reload, reload): Use VEC instead of VARRAY.
1020 * reload.h: Update the prototype for
1021 reg_equiv_memory_loc_varray.
1023 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1024 Eric Botcazou <ebotcazou@libertysurf.fr>
1026 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1029 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1032 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1033 to expand fallback builtin function call.
1035 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1038 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1039 and emit libcall here in case the builtin fails.
1040 (expand_builtin_strcmp): Always emit the libcall here on failure.
1042 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1044 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1045 * flow.c (reg_n_info): Change the type to
1046 VEC(reg_info_p,heap) *.
1047 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1049 * regs.h (reg_info_p): New.
1050 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1051 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1052 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1055 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1057 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1059 * params.h (MAX_SCHED_READY_INSNS): New macro.
1060 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1061 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1062 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1063 the ready list for 1 cycle during the first scheduling pass.
1064 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1066 2006-04-13 Richard Henderson <rth@redhat.com>
1069 * gimple-low.c (lower_omp_directive): Remove dead code.
1070 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1071 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1072 * omp-low.c (struct omp_region): Move to tree-flow.h.
1073 (root_omp_region): Export.
1074 (omp_regions, lookup_omp_region): Remove.
1075 (determine_parallel_type): Update for struct omp_region changes.
1076 (dump_omp_region): Dump regions with block numbers.
1077 (new_omp_region): Take type and block instead of stmt; malloc
1079 (free_omp_region_1, free_omp_regions): New.
1080 (expand_parallel_call): Take entry_stmt as argument; update for
1081 changes to omp_region.
1082 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1083 (remove_exit_barriers): New.
1084 (expand_omp_parallel): Update for struct omp_region changes.
1085 (expand_omp_synch): Likewise.
1086 (expand_omp): Likewise.
1087 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1088 (expand_omp_for_static_chunk): Likewise.
1089 (expand_omp_for): Likewise.
1090 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1091 (expand_omp_sections): Similarly, with GOMP_sections_end.
1092 (expand_omp_single): New.
1093 (build_omp_regions_1): Update for OMP_CONTINUE.
1094 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1095 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1096 OMP_SECTIONS_SECTIONS.
1097 (lower_omp_single_simple): Don't emit barrier here.
1098 (lower_omp_single_copy): Likewise.
1099 (lower_omp_single): Fix bindings, and lower to straightline now.
1100 (lower_omp_master, lower_omp_ordered): Likewise.
1101 (lower_omp_critical): Likewise.
1102 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1103 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1104 omp edges, free it afterward.
1105 (make_omp_sections_edges): Remove.
1106 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1107 (move_stmt_r): Handle OMP_CONTINUE.
1108 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1109 statement pointers to basic blocks. Add type member.
1110 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1111 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1112 * tree-inline.c (estimate_num_insns_1): Likewise.
1113 * tree-pretty-print.c (dump_generic_node): Likewise.
1114 * tree-ssa-operands.c (get_expr_operands): Likewise.
1115 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1116 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1117 (OMP_CONTINUE): New.
1118 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1119 (OMP_SECTIONS_SECTIONS): Remove.
1120 (OMP_SECTION_LAST): New.
1121 (OMP_RETURN_NOWAIT): New.
1123 2006-04-13 Roger Sayle <roger@eyesopen.com>
1125 * fold-const.c (native_encode_vector, native_interpret_real):
1126 Correct obvious mistakes in the previous check-in.
1128 2006-04-13 Roger Sayle <roger@eyesopen.com>
1130 * fold-const.c (native_encode_expr): New function to encode
1131 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1132 or VECTOR_CST into a specified buffer.
1133 (native_encode_int): New function.
1134 (native_encode_real): New function.
1135 (native_encode_complex): New function.
1136 (native_encode_vector): New function.
1137 (native_interpret_expr): Inverse of native_encode_expr to convert
1138 a target representation into an INTEGER_CST, REAL_CST etc...
1139 (native_interpret_int): New function.
1140 (native_interpret_real): New function.
1141 (native_interpret_complex): New function.
1142 (native_interpret_vector): New function.
1143 (fold_view_convert_expr): New function to constant fold/evaluate
1144 a VIEW_CONVERT_EXPR of a suitable constant expression.
1145 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1146 Change call of build1 to fold_build1 when constructing a
1149 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1150 Ulrich Weigand <uweigand@de.ibm.com>
1153 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1156 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1159 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1160 optimize to lo_sum for DFmode if !TARGET_FPRS.
1162 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1164 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1165 delete_alias_info, compute_flow_sensitive_aliasing,
1166 group_aliases): Use VEC instead of VARRAY.
1167 * tree-ssa-structalias.c (update_alias_info): Likewise.
1168 * tree-ssa-structalias.h (alias_info): Change the type of
1169 processed_ptrs to VEC(tree,heap) *.
1171 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1174 * config/sh/lib1funcs.h: New file, broken out of:
1175 * config/sh/lib1funcs.asm.
1176 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1178 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1179 * config/sh/lib1funcs-Os-4-200.asm: New file.
1180 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1181 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1182 (EXTRA_MULTILIB_PARTS): Include it.
1183 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1184 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1185 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1186 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1189 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1191 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1192 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1193 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1195 * tree-ssa-live.h: Include vecprim.h.
1196 (tree_partition_associator_d): Change the type of
1197 first_partition to VEC(int,heap) *.
1198 (tpa_first_partition): Use VEC instead of VARRAY.
1200 * Makefile.in (GTFILES): Move functions.h after tree.h.
1201 * function.c (reset_block_changes, record_block_change,
1202 check_block_change, free_block_changes): Use VEC instead of
1204 * function.h (function): Change the type of
1205 ib_boundaries_block to VEC(tree,gc) *.
1206 * tree-inline.c (copy_cfg_body): Initialize
1207 ib_boundaries_block to NULL instead of (varray_type) 0.
1209 2006-04-12 Roger Sayle <roger@eyesopen.com>
1211 * expr.c (emit_group_store): Correct operand order in call to
1212 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1213 a SUBREG_BYTE of zero.
1215 2006-04-12 Richard Guenther <rguenther@suse.de>
1217 * profile.c (compute_branch_probabilities): Remove code
1218 encapsulated in !ir_type (), which are remanents of the
1219 removed RTL profiling code.
1220 * rtl-profile.c: Remove.
1222 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1224 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1225 magic NULL_RTX comment.
1226 (function_arg): Store entire fp arg to mem if any part should go
1228 (rs6000_arg_partial_bytes): Adjust for above change.
1230 2006-04-11 Roger Sayle <roger@eyesopen.com>
1232 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1233 if it hasn't been initialized by dwarf2out_init.
1235 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1237 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1238 symbolic constants in branch patterns.
1240 2006-04-11 Roger Sayle <roger@eyesopen.com>
1242 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1244 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1246 PR rtl-optimization/27073
1247 * gcse.c (try_replace_reg): Revert last change. Continue to search
1248 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1251 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1253 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1254 aggregate types other than record and union types.
1255 (function_arg): Likewise.
1256 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1258 (function_value): In 64-bit mode, return objects that require it
1261 2006-04-11 Roger Sayle <roger@eyesopen.com>
1263 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1265 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1267 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1269 2006-04-03 Jeff Law <law@redhat.com>
1272 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1273 alias information too.
1275 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1277 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1279 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1282 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1283 (premark_used_types_helper): New.
1284 (premark_used_types): New.
1285 (gen_subprogram_die): Call premark_used_types.
1286 (prune_unused_types_walk): Do not prune perennial dies.
1287 * function.c (used_types_insert): New.
1288 * function.h (struct function): Add used_types_hash field.
1289 (used_types_insert): Add prototype.
1290 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1291 * c-parser.c (c_parser_cast_expression): Save casted types in used
1294 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1297 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1298 rs6000_explicit_options.float_gprs.
1300 2006-04-10 Roger Sayle <roger@eyesopen.com>
1302 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1303 from ix86_expand_vector_init_low_nonzero. Take an additional
1304 one_var argument indicating which element is non-zero. Support
1305 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1306 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1307 with one_var instead of ix86_expand_vector_init_low_nonzero.
1309 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1311 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1312 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1313 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1314 build/genextract.o): Depend on vecprim.h.
1315 * cfglayout.c, df-problems.c, function.c, genextract.c,
1316 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1317 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1321 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1323 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1324 Declare VECs of this type.
1325 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1326 (remove_children): Delete.
1327 (add_dwarf_attr): Use VEC routines.
1328 (add_AT_flag): Update for changes to add_dwarf_attr.
1329 (add_AT_int): Likewise.
1330 (add_AT_unsigned): Likewise.
1331 (add_AT_long_long): Likewise.
1332 (add_AT_vec): Likewise.
1333 (add_AT_string): Likewise.
1334 (add_AT_die_ref): Likewise.
1335 (add_AT_fde_ref): Likewise.
1336 (add_AT_loc): Likewise.
1337 (add_AT_loc_list): Likewise.
1338 (add_AT_addr): Likewise.
1339 (add_AT_lbl_id): Likewise.
1340 (add_AT_lineptr): Likewise.
1341 (add_AT_macptr): Likewise.
1342 (add_AT_offset): Likewise.
1343 (add_AT_range_list): Likewise.
1344 (get_AT): Use VEC_iterate.
1345 (remove_AT): Use VEC_ordered_remove.
1346 (free_die): Fold remove_children into here; have it use VEC_iterate.
1347 (print_die): Use VEC_iterate on attrs.
1348 (reverse_die_lists): Don't reverse attr lists.
1349 (die_checksum): Use VEC_iterate on attrs.
1350 (same_die_p): Likewise.
1351 (output_location_lists): Likewise.
1352 (build_abbrev_table): Likewise.
1353 (size_of_die): Likewise.
1354 (unmark_all_dies): Likewise.
1355 (output_abbrev_section): Likewise.
1356 (output_die): Likewise.
1357 (prune_unused_types_walk_attribs): Likewise.
1359 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1361 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1363 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1366 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1368 2006-04-09 Roger Sayle <roger@eyesopen.com>
1370 * expr.c (store_constructor): Don't bother clearing target if
1371 we're about to assign a vector to it using vec_init_optab.
1373 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1375 * tree-ssa-alias.c (lhs_may_store_to): New function.
1376 (recalculate_used_alone): Handle LHS of calls.
1378 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1382 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1383 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1384 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1385 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1386 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1387 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1388 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1389 stubs. Add ".align 8" directives before all ".dword" directives.
1390 (GTHREAD_USE_WEAK): Revise comment.
1391 (TARGET_ATTRIBUTE_WEAK): Define.
1392 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1393 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1394 * stublib.c: New file.
1399 * pa.md (cbranch patterns): Revise arguments used in calls to
1400 output_cbranch, output_bb and output_bvd. Add long branch length
1402 (fbranch patterns): Handle long branches.
1403 (jump): Revise length check. Revise arguments for output_lbranch call.
1404 Add long branch length attributes.
1405 (decrement_and_branch_until_zero): Add long branch length attributes.
1406 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1407 Likewise. Revise arguments for output_parallel_addb and
1408 output_parallel_movb calls.
1409 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1410 output_parallel_movb and output_parallel_addb): Update prototypes.
1411 * pa.c (output_cbranch): Revise arguments. Correct handling of
1412 nullification in long branches.
1413 (output_lbranch): Add new argument to control extraction of delay
1415 (output_bb): Handle long branches.
1416 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1417 output_parallel_addb): Likewise.
1419 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1421 PR rtl-optimization/27073
1422 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1425 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1427 * tree.h (tree_memory_tag): Add old_used_alone.
1428 (SMT_OLD_USED_ALONE): New macro.
1429 * tree-ssa-alias.c (recalculate_used_alone): Stop
1430 marking things for renaming unnecessarily.
1432 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1434 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1435 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1436 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1437 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1438 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1439 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1440 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1441 spelling convensions.
1442 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1443 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1444 typos. Follow spelling conventions.
1446 2006-04-07 DJ Delorie <dj@redhat.com>
1448 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1449 passed on the stack.
1450 (m32c_init_cumulative_args): When a function returns a structure,
1451 always pass the pointer to that return area on the stack.
1452 (m32c_function_arg_advance): Don't increment the parameter number
1453 if we're processing the returned structure pointer.
1454 (pushm_info): Reverse order of registers.
1456 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1458 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1459 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1460 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1461 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1463 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1464 chrec_fold_multiply): Same.
1465 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1466 force_expr_to_var_cost): Same.
1467 * tree-mudflap.c (mf_xform_derefs_1): Same.
1468 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1470 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1472 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1473 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1476 2006-04-07 Jan Hubicka <jh@suse.cz>
1478 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1480 2006-04-07 Richard Guenther <rguenther@suse.de>
1482 PR tree-optimization/26135
1483 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1484 loads for store copy-prop.
1485 (copy_prop_visit_stmt): Likewise.
1487 2006-04-05 Robert Millan <robertmh@gnu.org>
1489 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1490 being overriden in config/k*bsd-gnu.h.
1491 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1493 * gcc/config/knetbsd-gnu.h: Ditto.
1495 2006-04-06 Jan Hubicka <jh@suse.cz>
1499 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1502 2006-04-06 Mike Stump <mrs@apple.com>
1504 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1505 for HAVE_nonlocal_goto to be consistent.
1506 (expand_builtin_nonlocal_goto): Likewise.
1507 (expand_builtin_strcmp): Use #ifdef instead of #if
1508 for HAVE_cmpstrnsi to be consistent.
1510 2006-04-05 DJ Delorie <dj@redhat.com>
1512 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1515 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1517 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1518 got-relative addressing for anything but SImode.
1520 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1521 even if the calling function doesn't modify them.
1523 2006-04-05 Richard Guenther <rguenther@suse.de>
1525 PR tree-optimization/26919
1526 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1527 to cgraph_estimate_size_after_inlining.
1529 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1531 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1533 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1535 PR tree-optimization/26996
1536 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1537 VECTOR_TYPE variables.
1539 2006-04-05 Richard Guenther <rguenther@suse.de>
1541 PR tree-optimization/26763
1542 * fold-const.c (fold_comparison): Move folding of
1543 PTR + CST CMP PTR + CST ...
1544 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1546 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1548 * doc/install.texi (Prerequisites): Refine some wording on
1549 bootstrapping and ksh.
1550 Move the version numbers of DejaGnu here from the testing section
1551 and fix casing of names.
1552 Fix markup and clarify wording for autogen requirements.
1553 Refer to GCJ instead of just java.
1554 Refer to SVN instead of CVS.
1555 Describe diffutils as useful instead of necessary.
1556 (Downloading the source): Refer to SVN instead of CVS.
1557 Adjust a link to our web site accordingly.
1558 (Configuration): Fix casing of Bison.
1559 (Building): Refer to SVN instead of CVS.
1560 Fix a sentence on the use of Bison and remove duplicate (and
1561 incorrect) version number of Bison requirement.
1562 Remove one redundant list of packages needed for building.
1563 (Specific): Avoid reference to CVS.
1565 2006-04-04 Eric Christopher <echristo@apple.com>
1567 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1568 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1569 (rs6000_handle_struct_attribute): New.
1570 (rs6000_ms_bitfield_layout_p): Ditto.
1572 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1574 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1575 NULL for dso parameter to atexit_common.
1577 2006-04-04 Eric Christopher <echristo@apple.com>
1579 * config/i386/i386.c (machopic_output_stub): Output \t
1580 between instructions and operands.
1582 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1584 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1585 satisfies_constraint_[IL] to explicit tests on value.
1587 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1589 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1590 set_nb_iterations_in_loop): Use build_int_cst instead of
1592 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1593 build_int_cst instead of convert.
1595 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1597 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1598 new value 2 for incoming.
1599 * function.c (expand_function_start): Call struct_value_rtx
1601 * config/sparc/sparc.md: Comment updated_return.
1602 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1603 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1604 struct return if sparc_std_struct_return and incoming is 2.
1605 (print_operand): Do not adjust return if
1606 sparc_std_struct_return.
1608 2006-04-04 Roger Sayle <roger@eyesopen.com>
1610 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1611 convert in the middle-end.
1612 * expr.c (store_expr, store_constructor, get_inner_reference,
1613 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1615 * tree.c (build_range_type): Likewise.
1617 2006-04-04 Tom Tromey <tromey@redhat.com>
1619 * doc/install.texi (Prerequisites): Mention jar.
1621 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1623 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1626 2006-04-04 Matthias Klose <doko@debian.org>
1628 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1629 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1632 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1634 * doc/extend.texi (Function Attributes): Rewrite visibility
1635 attribute documentation.
1636 * doc/invoke.texi (C++ Dialect Options): Rewrite
1637 -fvisibility-inlines-hidden documentation to describe something
1638 entirely different, although in practise compatible.
1639 (Code Gen Options): Warn about system headers in -fvisibiltity=
1642 * doc/extend.texi (Other Builtins): Document that
1643 __builtin_nan is a compile-time constant only when its argument
1646 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1648 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1649 trying to remove TRUNCATE check if all bits outside the new mode
1650 are identical to the sign bit.
1652 2006-04-03 Jeff Law <law@redhat.com>
1654 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1655 and operand scanning in some common cases.
1657 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1658 Dale Johannesen <dalej@apple.com>
1661 * regclass.c (struct reg_pref): Update documentation.
1662 (regclass): Set prefclass to NO_REGS if memory is the best option.
1663 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1664 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1665 into account. For non-registers, equate an empty preferred
1666 reload class to a `!' in the constraint; move the if clause to
1667 do so after those that reject the insn.
1668 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1670 (find_dummy_reload): Likewise.
1671 * doc/tm.texi (Register Classes): Document what it means
1672 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1673 * config/i386/i386.c (ix86_preferred_reload_class): Force
1674 using SSE registers (and return NO_REGS for floating-point
1675 constants) if math is done with SSE.
1676 (ix86_preferred_output_reload_class): New.
1677 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1678 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1679 * config/i386/i386.md: Remove # register preferences.
1681 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1684 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1685 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1686 the type of nb_iter.
1687 (instantiate_parameters_1): Convert the operands before calling
1688 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1689 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1691 2006-04-02 Roger Sayle <roger@eyesopen.com>
1693 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1694 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1696 * dojump.c (do_jump): Likewise.
1697 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1698 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1699 gimplify_boolean_expr): Likewise.
1700 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1701 * varasm.c (array_size_for_constructor): Likewise.
1702 * tree-object-size.c (compute_object_offset): Likewise.
1704 2006-04-02 Roger Sayle <roger@eyesopen.com>
1707 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1708 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1710 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1712 PR tree-optimization/26939
1713 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1715 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1717 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1718 at_stmt. Convert the type of operands before calling
1719 build_polynomial_chrec.
1720 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1722 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1723 (instantiate_parameters_1): Convert the type of operands before calling
1724 build_polynomial_chrec.
1725 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1726 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1727 reset_evolution_in_loop): Insert asserts to check the types of the
1729 (chrec_type): Moved...
1730 (eq_evolutions_p): Use operand_equal_p.
1731 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1732 the types of the operands.
1733 (chrec_type): ...here.
1734 * tree-data-ref.c (create_data_ref): Convert the operands before
1735 calling chrec_replace_initial_condition.
1736 (same_access_functions, analyze_subscript_affine_affine,
1737 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1738 (compute_subscript_distance, analyze_ziv_subscript,
1739 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1740 analyze_miv_subscript): Convert the operands before calling
1741 chrec_fold_minus or chrec_fold_plus.
1743 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1745 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1746 the dependence_relations vector.
1747 (compute_data_dependences_for_loop): Adjust call to
1748 compute_all_dependences.
1750 2006-04-01 Roger Sayle <roger@eyesopen.com>
1751 Richard Henderson <rth@redhat.com>
1753 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1754 gimple_boolify on the condition before calling gimplify_expr.
1756 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1758 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1759 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1760 the frame size. Update to use the new macros.
1761 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1762 * config/xtensa/ieee754-df.S: Likewise.
1764 2006-03-31 Richard Henderson <rth@redhat.com>
1766 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1767 (make_edges): ... here. Control fallthru creation with a local
1768 variable. Do not play with fake edges.
1769 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1770 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1773 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1775 * dwarf2.h (DW64_CIE_ID): Define.
1776 * dwarf2out.c (DWARF_CIE_ID): Define.
1777 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1778 length header. Use DWARF_CIE_ID.
1779 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1780 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1782 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1784 * config/sh/linux-atomic.asm: New file.
1785 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1787 2006-03-31 DJ Delorie <dj@redhat.com>
1789 * config/m32c/cond.md: Set condition flags properly throughout.
1790 * config/m32c/minmax.md: Likewise.
1791 * config/m32c/prologue.md: Likewise.
1792 * config/m32c/bitops.md: Likewise.
1793 * config/m32c/muldiv.md: Likewise.
1794 * config/m32c/mov.md: Likewise.
1795 * config/m32c/addsub.md: Likewise.
1796 * config/m32c/m32c.md: Likewise.
1797 * config/m32c/jump.md: Likewise.
1798 * config/m32c/shift.md: Likewise.
1800 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1801 conditionally output the pattern for this.
1802 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1803 (m32c_compare_redundant): New.
1804 (m32c_output_compare): New.
1805 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1807 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1808 dest, not src. Allow other 4-byte modes.
1810 2006-03-30 Denis Chertykov <denisc@overta.ru>
1812 * doc/md.texi: Refer to avr/constraints.md instead of
1815 2006-03-30 Roger Sayle <roger@eyesopen.com>
1817 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1818 signed vs. unsigned comparison failures on some hosts.
1820 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1823 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1824 change to FLOAT_REGS.
1826 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1827 (rs6000_override_options): Use it.
1828 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1829 only for -mabi=spe/no-spe and -mabi=altivec.
1831 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1833 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1836 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1838 * Makefile.in: Rename docdir to gcc_docdir.
1840 2006-03-30 Roger Sayle <roger@eyesopen.com>
1843 * expr.c (emit_group_store): Optimize group stores into a pseudo
1844 register by using a paradoxical subreg to initialize the destination
1845 if the first or last member of the group specifies a "low part".
1847 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1850 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1851 * target.h (struct gcc_target.speculate_insn): Change type of the
1852 second parameter to 'int'.
1853 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1854 the second operand of the DEPS_LIST.
1855 (copy_DEPS_LIST_list): Update reference to the second operand of the
1857 * rtl.h (alloc_DEPS_LIST): Update signature.
1858 * sched-int.h (ds_t): Change typedef to 'int'.
1859 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1861 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1863 * haifa-sched.c (try_ready): Change condition to restore
1864 non-speculative pattern of the instruction.
1865 (process_insn_depend_be_in_spec): Code to keep probability of the
1866 speculative dependence non-decreasing.
1868 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1870 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1871 (single_move_for_movmem): ... this. Also change all uses.
1872 (bfin_expand_strmov): Renamed to...
1873 (bfin_expand_movmem): ... this. Also change all uses.
1874 * config/bfin/bfin.md (movstrsi): Renamed to...
1875 (movstrsi): ...this.
1877 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1879 PR tree-optimization/26830
1881 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1882 (copy_prop_visit_stmt): Remove write-only variable ann.
1883 (init_copy_prop): Check variable loop depth here. Do not simulate
1884 memory-tag and virtual operand PHIs except for store copy prop.
1886 2006-03-30 Richard Guenther <rguenther@suse.de>
1888 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1889 variants with double arguments.
1891 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1893 * genpreds.c (write_tm_constrs_h): Delete variable p.
1894 * genconditions.c (write_header): Add tm-constrs.h to included
1896 * genpeep.c (main): Add toplev.h to included headers.
1897 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1898 (build/genpeep.o): Add toplev.h dependency.
1899 * config/rs6000/constraints.md: Add "W" constraint.
1901 2006-03-29 Roger Sayle <roger@eyesopen.com>
1903 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1904 sizes by correctly testing whether the size fits a host integer.
1905 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1906 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1907 SImode range for the default sizetype and bitsizetype.
1909 2006-03-29 Roger Sayle <roger@eyesopen.com>
1911 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1912 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1913 quickly if the argument is already of the correct type.
1914 Call fold_build1 instead of build1. Tidy up blank lines.
1916 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1918 * genemit.c (main): Add tm-constrs.h to included headers.
1919 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1920 * genpeep.c (main): Add tm-constrs.h to included headers.
1921 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1922 (write_tm_constrs_h): this and write complete file.
1923 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1924 (write_insn_preds_c): Add tm-constrs.h to included headers.
1925 (gen_constrs): New variable.
1926 (parse_option): Parse "-c".
1927 (main): Invoke write_tm_constrs_h.
1928 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1929 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1930 (object_out_file): Add tm-constrs.h dependency.
1931 (insn-emit.o): Same.
1932 (insn-output.o): Same.
1933 (insn-peep.o): Same.
1934 (insn-preds.o): Same.
1935 (insn-recog.o): Same.
1936 (tm-constsr.h): New target.
1937 (s-constrs-h): New target.
1939 * config/rs6000/constraints.md: New file.
1940 * config/rs6000/rs6000.c: Include tm-constrs.h.
1941 (num_insn_constant_wide): Convert to satisfies_constraint.
1942 (rs6000_rtx_costs): Convert to satisfies_constraint.
1943 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1944 (CONST_OK_FOR_LETTER_P): Delete.
1945 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1946 (EXTRA_CONSTRAINT): Delete.
1947 (EXTRA_MEMORY_CONSTRAINT): Delete.
1948 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1949 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1950 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1951 satisfies_constraint.
1953 * config/i386/i386.c: Include tm-constrs.h.
1955 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1957 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1958 * tree-data-ref.c (find_data_references_in_loop,
1959 compute_data_dependences_for_loop): Use pointers to VEC.
1960 (analyze_all_data_dependences): Adjust calls.
1961 * tree-data-ref.h (find_data_references_in_loop,
1962 compute_data_dependences_for_loop): Adjust declarations.
1963 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1964 compute_data_dependences_for_loop.
1966 2006-03-29 Paul Brook <paul@codesourcery.com>
1968 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1971 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1973 PR tree-optimization/26859
1974 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1976 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1977 for the step after fold_convert.
1979 2006-03-29 Paul Brook <paul@codesourcery.com>
1981 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1982 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1984 2006-03-29 Paul Brook <paul@codesourcery.com>
1987 * targhooks.c (default_narrow_bitfield): New fuction.
1988 * targhooks.h (default_narrow_bitfield): add prototype.
1989 * target.h (gcc_target): Add narrow_volatile_bitfield.
1990 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1991 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1992 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1993 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1995 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1997 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1999 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2000 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2001 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2002 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2003 (s390_function_arg_float): Allow SDmode and DDmode values to be
2004 passed in floating point registers.
2005 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2006 check with SCALAR_FLOAT_MODE_P.
2007 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2009 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2011 PR tree-optimization/25985
2012 * tree-ssa-loop-niter.c (number_of_iterations_le,
2013 number_of_iterations_ne): Make comments more precise.
2014 (number_of_iterations_cond): Add only_exit argument. Use the
2015 fact that signed variables do not overflow only when only_exit
2017 (loop_only_exit_p): New.
2018 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2019 number_of_iterations_cond.
2021 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2023 PR tree-optimization/26643
2024 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2027 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2029 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2030 (divsi3_i4_int): Likewise.
2032 2006-03-28 Roger Sayle <roger@eyesopen.com>
2034 * expr.c (emit_group_store): Only create a new pseudo reg if the
2035 quantity it needs to hold isn't already a suitable pseudo.
2037 2006-03-28 Jeff Law <law@redhat.com>
2039 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2040 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2042 2006-03-28 Roger Sayle <roger@eyesopen.com>
2044 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2045 the equivalent ~X & Y, and the symmetry related transformations.
2046 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2047 ~X & Y, and symmetry related transforms.
2049 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2051 Revert my 2006-03-27 patches.
2053 2006-03-28 Roger Sayle <roger@eyesopen.com>
2055 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2056 ~(T1)X, when T1 and T2 are integer types of the same precision
2057 and (T2)X isn't an extension.
2059 2006-03-28 Jeff Law <law@redhat.com>
2061 PR tree-optimization/26796
2062 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2063 need EH edge cleanups rather than purging them immediately.
2064 (eliminate_degenerate_phis): Handle queued EH cleanups.
2066 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2068 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2071 2006-03-27 Roger Sayle <roger@eyesopen.com>
2074 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2075 cast BIT_NOT_EXPR operand to the correct type.
2077 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2079 * tree-loop-linear.c: Don't include varray.h.
2080 (gather_interchange_stats, try_interchange_loops,
2081 linear_transform_loops): Use VEC instead of VARRAY.
2082 * lambda-mat.c: Don't include varray.h.
2083 * tree-chrec.c: Same.
2084 * lambda-trans.c: Same.
2085 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2086 VEC instead of VARRAY.
2087 * tree-vectorizer.h: Idem.
2088 * tree-data-ref.c (dump_data_references,
2089 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2090 initialize_data_dependence_relation, finalize_ddr_dependent,
2091 compute_all_dependences, find_data_references_in_loop,
2092 compute_data_dependences_for_loop, analyze_all_data_dependences,
2093 free_dependence_relation, free_dependence_relations,
2094 free_data_refs): Idem.
2095 * tree-data-ref.h (data_reference_p, subscript_p): New.
2096 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2097 VEC instead of VARRAY.
2098 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2099 (find_data_references_in_loop, compute_data_dependences_for_loop,
2100 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2101 dump_data_dependence_relations, free_dependence_relations,
2102 free_data_refs): Adjust declaration.
2103 (lambda_transform_legal_p): Move declaration here...
2104 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2105 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2106 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2107 vect_analyze_data_refs): Use VEC instead of VARRAY.
2108 * lambda.h (lambda_transform_legal_p): ...from here.
2109 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2110 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2111 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2112 tree-chrec.o): Don't depend on VARRAY_H.
2114 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2116 * rtl.def (Copyright): Update date.
2117 (DEPS_LIST): Change type of the second operand to 'int'.
2118 * target.h (Copyright): Update date.
2119 (struct gcc_target.speculate_insn): Change type of the second parameter
2121 * lists.c (Copyright): Update date.
2122 (alloc_DEPS_LIST): Change signature. Update reference to the second
2123 operand of the DEPS_LIST.
2124 (copy_DEPS_LIST_list): Update reference to the second operand of the
2126 * rtl.h (Copyright): Update date.
2127 (alloc_DEPS_LIST): Update signature.
2128 * sched-int.h (Copyright): Update date.
2129 (ds_t): Change typedef to 'int'.
2130 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2132 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2134 * haifa-sched.c (Copyright): Update date.
2135 (try_ready): Change condition to restore non-speculative pattern
2137 (process_insn_depend_be_in_spec): Code to keep probability of the
2138 speculative dependence non-decreasing.
2140 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2142 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2143 shut up the compiler.
2145 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2147 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2148 to use lib prefix for target.
2149 ($(T)libic_invalidate_array_4-200.a): Likewise.
2150 ($(T)libic_invalidate_array_4a.a): Likewise.
2152 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2153 J"orn Rennecke <joern.rennecke@st.com>
2155 * superh.opt: New file.
2156 * sh.c (boardtype, osruntime): Remove.
2157 * superh.h (SUBTARGET_OPTIONS): Remove.
2158 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2160 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2161 arguments with ^ and/or [].
2163 * config.gcc (sh-*-*): Add quoting to account for quirk of
2165 Replace == with = in enable_incomplete_targets test.
2167 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2168 with MASK_LITTLE_ENDIAN.
2170 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2171 * config/sh/sh.opt: Added to some comments.
2172 * config/sh/superh.h: Removed some chaff.
2174 * config/sh/sh.opt: Add m4-[1234]00* options.
2175 * config/sh/sh.c (sh_handle_option): Likewise.
2176 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2177 (ic_invalidate_array_4-100.o): New rule.
2178 ($(T)libic_invalidate_array_4-100.a): Likewise.
2179 (ic_invalidate_array_4-200.o): Likewise.
2180 ($(T)libic_invalidate_array_4-200.a): Likewise.
2181 (ic_invalidate_array_4a.o): Likewise.
2182 ($(T)libic_invalidate_array_4a.a): Likewise.
2183 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2184 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2186 * config/sh/crt1.asm: Merged in profiling code.
2187 * config/sh/superh.h (STARTFILE_SPEC): Override.
2188 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2189 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2190 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2192 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2193 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2194 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2196 * sh.opt (mpretend-cmove): New option.
2197 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2198 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2199 (movsicc): Add TARGET_PRETEND_CMOVE code.
2201 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2203 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2204 s390_class_max_nregs): New function prototypes.
2205 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2206 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2207 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2208 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2210 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2212 * dwarf2out.c (add_location_or_const_value_attribute): Call
2213 tree_add_const_value_attribute if nothing else works.
2214 (reference_to_unused): New.
2215 (rtl_for_decl_init): Use reference_to_unused to decide whether
2216 to output an initializer.
2218 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2221 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2222 peephole removing spe frob_di_df_2.
2224 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2226 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2227 (subscript_dependence_tester_1): Declared.
2228 (print_dir_vectors, print_dist_vectors): New.
2229 (debug_data_dependence_relation): New.
2230 (dump_data_dependence_relation): Print more details.
2231 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2232 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2233 (save_dist_v, save_dir_v, add_outer_distances,
2234 build_classic_dist_vector_1): New.
2235 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2236 Don't test for lambda_vector_lexico_pos.
2237 (same_access_functions, add_multivariate_self_dist,
2238 add_other_self_distances, dir_from_dist): New.
2239 (build_classic_dir_vector): Replace implementation almost identical to
2240 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2242 (subscript_dependence_tester_1): New.
2243 (subscript_dependence_tester): Handle the lexicographically negative
2244 distance vectors by recomputing the dependence relation.
2245 (compute_affine_dependence): Remove parameter loop_nest_depth.
2246 (compute_self_dependence): Don't call compute_subscript_distance.
2247 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2248 Add a parameter for the loop_nest.
2249 (find_loop_nest_1, find_loop_nest): New.
2250 (compute_data_dependences_for_loop): Compute the loop nest, and give
2251 up if the nest is not well formed.
2252 * tree-data-ref.h (loop_p): New.
2253 (struct data_dependence_relation): Replace size_vect field with
2254 loop_nest, a vec of loops.
2255 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2256 (DDR_LOOP_NEST): New.
2257 (print_dir_vectors, print_dist_vectors,
2258 debug_data_dependence_relation): Declared.
2259 (index_in_loop_nest): New.
2260 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2261 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2264 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2266 * simplify-rtx.c (simplify_relational_operation): Call
2267 simplify_relational_operation_1 even if mode is VOIDmode.
2269 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2271 PR tree-optimization/26804
2272 * tree.h (DECL_CALL_CLOBBERED): New macro.
2273 (tree_decl_common): Add call_clobbered_flag.
2274 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2275 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2276 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2277 (mark_non_addressable): Ditto.
2278 * tree-ssa.c (verify_call_clobbered): New function.
2279 (verify_alias_info): Use it.
2280 * tree-pass.h (pass_reset_cc_flags): New prototype.
2281 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2282 (reset_cc_flags): New function.
2283 * passes.c (init_optimization_passes): Call reset_cc_flags after
2284 initializing referenced_vars.
2286 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2287 Roger Sayle <roger@eyesopen.com>
2290 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2291 to 1.0 for non-real operands. Implement A / A optimization for
2294 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2296 * config/i386/i386.c (size_cost): Correct the comment for
2297 cost of storing fp registers.
2298 (i386_cost): Likewise.
2299 (i486_cost): Likewise.
2300 (pentium_cost): Likewise.
2301 (pentiumpro_cost): Likewise.
2302 (k6_cost): Likewise.
2303 (athlon_cost): Likewise.
2304 (k8_cost): Likewise.
2305 (pentium4_cost): Likewise.
2306 (nocona_cost): Likewise.
2307 (generic64_cost): Likewise.
2308 (generic32_cost): Likewise.
2310 2006-03-24 Denis Chertykov <denisc@overta.ru>
2312 * config/avr/avr-protos.h (extra_constraint): Delete.
2313 (extra_constraint_Q): New declaration.
2314 * config/avr/constraints.md: New file.
2315 * config/avr/avr.md: Include it.
2316 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2317 (TMP_REGNO, ZERO_REGNO): Likewise.
2318 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2319 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2320 (extra_constraint): Delete.
2321 (extra_constraint_Q): Test for memory constraint 'Q'.
2322 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2323 (REG_CLASS_FROM_LETTER): Delete.
2324 (CONST_OK_FOR_LETTER_P): Delete.
2325 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2326 (EXTRA_CONSTRAINT): Delete.
2327 (TMP_REGNO): Delete.
2328 (ZERO_REGNO): Delete.
2330 2006-03-24 Jeff Law <law@redhat.com>
2332 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2333 directly. Call mark_new_vars_to_rename slightly earlier.
2335 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2337 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2339 (gen_compile_unit_die): Use new language types for Objective-C and
2341 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2342 DW_LANG_C_plus_plus.
2345 * config/t-darwin (crt3.o): Work around bug 26840.
2346 * config/darwin-crt3.c: Rewrite.
2347 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2349 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2351 * doc/invoke.texi: Document -femit-class-debug-always
2352 * common.opt: Add -femit-class-debug-always.
2354 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2356 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2357 index and base register.
2358 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2359 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2360 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2361 REGNO_OK_FOR_INDEX_P.
2362 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2364 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2365 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2366 REG_OK_FOR_BASE_P): Definitions removed.
2368 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2371 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2372 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2373 set yet or weren't marked as local yet.
2375 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2377 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2380 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2382 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2383 (rs6000_legitimate_small_data_p): Delete.
2384 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2385 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2386 and make static. Add forward declaration. Update uses.
2387 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2388 of offsettable_memref_p.
2389 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2390 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2392 2006-03-24 Jeff Law <law@redhat.com>
2394 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2395 around bug in immediate-use iterator.
2397 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2400 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2401 or __LITTLE_ENDIAN__.
2403 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2405 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2406 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2407 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2408 * config/sh/sh.opt (mdiv=): Amend description.
2409 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2410 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2411 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2412 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2413 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2414 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2415 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2416 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2417 TARGET_DIVIDE_CALL_FP.
2419 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2421 * haifa-sched.c (choose_ready): Fix type of the local variable.
2422 Move local variables. Add comment.
2423 (check_reg_live): Change signature. Make callable from debugger.
2424 * sched-int.h (check_reg_live): Update signature.
2425 * sched-ebb.c (check_reg_live): Update parameters.
2426 * sched-rgn.c (check_reg_live): Ditto.
2427 (region_head_or_leaf_p): Check pointer before dereferencing.
2428 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2429 before reload on optimization levels below 1.
2431 2006-03-23 Richard Henderson <rth@redhat.com>
2433 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2437 * config/alpha/predicates.md (local_symbolic_operand): Reject
2440 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2443 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2444 expressions which have overflowed constants.
2446 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2448 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2450 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2452 * cfgloopmanip.c (create_loop_notes): Removed.
2453 * final.c (final_scan_insn): Do not handle loop notes.
2454 * jump.c (squeeze_notes): Ditto.
2455 * cfglayout.c (skip_insns_after_block,
2456 duplicate_insn_chain): Ditto.
2457 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2459 * cfgloop.h (create_loop_notes): Declaration removed.
2461 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2463 * varasm.c (output_constant_pool): Restore fnname and fndecl
2465 (assemble_start_function): Adjust call accordingly.
2466 (assemble_end_function): Likewise.
2468 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2471 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2474 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2476 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2479 * system.h (ICE_EXIT_CODE): New macro.
2480 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2481 (diagnostic_action_after_output): Likewise.
2482 * gcc.c (fatal_ice): New function.
2483 (execute): Use it instead of fatal.
2484 (fancy_abort): Likewise.
2485 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2487 2006-03-22 Jeff Law <law@redhat.com>
2489 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2490 iv_analyze_result returning false.
2492 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2494 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2496 2006-03-22 Richard Henderson <rth@redhat.com>
2499 * except.c (duplicate_eh_regions_0): New.
2500 (duplicate_eh_region_1): Duplicate the children of the node as
2501 well as the node itself. Link them up properly.
2502 (duplicate_eh_region_2): Merge into ...
2503 (duplicate_eh_regions): ... here. Take copy_region argument, and
2504 copy only a sub-tree if asked. Simplify copying and fixup.
2505 (eh_region_outer_p): New.
2506 * except.h (duplicate_eh_regions): Update decl.
2507 (eh_region_outer_p): Declare.
2508 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2509 (lower_omp_master): Likewise.
2510 (lower_omp_ordered): Likewise.
2511 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2512 (move_stmt_r): Use it to remap labels. Handle recursion vs
2513 remap_decls_p properly.
2514 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2515 (find_outermost_region_in_block): New.
2516 (new_label_mapper): New.
2517 (move_sese_region_to_fn): Copy eh information to the new function
2519 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2521 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2524 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2526 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2527 into shared libraries.
2529 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2531 * doc/md.texi: Refer to i386/constraints.md instead of
2533 * config/i386/constraints.md: New file, extracted from...
2534 * config/i386/predicates.md: ...here.
2535 * config/i386/i386.md: Include constraints.md.
2537 2006-03-21 Jason Merrill <jason@redhat.com>
2539 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2542 * expr.c (init_block_move_fn): Force default visibility.
2543 (init_block_clear_fn): Likewise.
2544 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2545 * targhooks.c (default_external_stack_protect_fail): Likewise.
2547 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2549 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2550 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2551 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2552 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2553 (loadgp): Use mips_current_loadgp_style.
2554 (loadgp_noshared): New pattern.
2555 (sibcall_internal): Use MIPS_CALL.
2556 (sibcall_value_internal): Likewise.
2557 (sibcall_value_multiple_internal): Likewise.
2558 (call_internal): Likewise.
2559 (call_value_internal): Likewise.
2560 (call_value_multiple_internal): Likewise.
2561 (call_split): Use MIPS_CALL and add an 'S' constraint.
2562 (call_value_split): Likewise.
2563 (call_value_multiple_split): Likewise.
2564 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2565 (-mshared): New option.
2566 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2567 (mips_current_loadgp_style): Declare.
2568 * config/mips/mips.c (mips_classify_symbol): Avoid using
2569 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2570 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2571 TARGET_ABSOLUTE_ABICALLS.
2572 (override_options): Adjust comments. Improve the warning that is
2573 issued when -mabicalls and -G are used together.
2574 (mips_file_start): Remove comment.
2575 (mips_current_loadgp_style): New function.
2576 (mips_gnu_local_gp): New variable.
2577 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2579 (mips_output_function_prologue): Use mips_current_laodgp_style.
2580 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2581 the cprestore instruction.
2582 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2583 live for TARGET_ABSOLUTE_ABICALLS.
2584 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2585 (ASM_SPEC): Pass down -mshared and -mno-shared.
2586 (MIPS_CALL): New macro.
2587 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2589 * doc/invoke.texi (-mabicalls): Update documentation.
2590 (-mshared): Document.
2592 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2594 * config/ia64/unwind-hpux.c: New file.
2595 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2597 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2600 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2602 2006-03-21 Jeff Law <law@redhat.com>
2604 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2605 type conversions of a VR_VARYING source to a wider type.
2607 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2609 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2610 tm_file on Solaris 10 and later.
2611 (sparc64-*-solaris2*): Likewise.
2612 (sparc-*-solaris2*): Likewise.
2613 * config/sol26.h: Rename to config/sol2-6.h.
2614 * config/sol2-10.h: New file.
2616 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2619 * tree-ssa-pre.c (create_component_ref_by_pieces):
2622 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2625 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2626 return it immediately.
2628 2006-03-21 Michael Matz <matz@suse.de>
2630 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2632 (remove_arc, add_arc): Update num_out_arcs member.
2633 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2635 (cache_presence): New function.
2636 (compare_states_for_equiv): New function.
2637 (state_is_differed): Don't take number of outargs, adjust callers.
2638 Use new invariant for speeding up.
2639 (init_equiv_class): Create initial classes based on sorted
2641 (partition_equiv_class): Don't track out_arcs_num.
2642 (evaluate_equiv_classes): Call cache_presence on all states and
2645 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2647 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2648 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2649 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2650 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2652 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2653 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2654 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2655 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2656 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2658 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2659 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2660 (REGNO_REG_CLASS): ARGP is in PREGS.
2661 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2663 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2664 to deal with those addresses.
2665 * addresses.h: New file.
2666 * caller-save.c: Include "addresses.h".
2667 (init_caller_save): Use new base_reg_class function.
2668 * rtl-factoring.c: Include "addresses.h".
2669 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2670 * recog.c: Include "addresses.h".
2671 (preprocess_constraints): Use new base_reg_class function.
2672 * regrename.c: Include "addresses.h".
2673 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2674 functions. Keep track of a new var INDEX_CODE to compute valid
2676 (replace_oldest_value_addr): Likewise.
2677 (replace_oldest_value_mem): Use base_reg_class.
2678 * reload.c: Include "addresses.h".
2679 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2680 (find_reloads): Use new base_reg_class function.
2681 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2682 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2683 all callers and prototype changed.
2684 * reload1.c: Include "addresses.h".
2685 (maybe_fix_stack_asms): Use base_reg_class.
2686 * regclass.c: Include "addresses.h".
2687 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2688 (init_reg_autoinc): Use new base_reg_class function.
2689 (record_reg_classes): Likewise.
2690 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2691 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2692 Use new args to compute necessary class.
2694 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2695 regrename.o, rtl-factoring.o): Update dependencies.
2696 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2697 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2698 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2699 REG_OK_FOR_INDEX_P): Delete documentation.
2701 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2703 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2704 from V7 to V9 for Solaris 7 and above.
2706 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2708 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2709 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2710 argument pointers may not alias any other storage.
2711 * common.opt: Define option -fargument-noalias-anything.
2712 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2713 alias semantics is specified by flag_argument_noalias > 2.
2715 2006-03-20 Jeff Law <law@redhat.com>
2717 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2718 (pass_phi_only_cprop): Declare.
2719 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2721 * tree-ssa-dom.c (degenerate_phi_result): New function.
2722 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2723 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2724 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2725 (eliminate_degenerate_phis): Likewise.
2726 (pass_phi_only_cprop): New pass descriptor.
2727 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2728 support code. Callers updated.
2729 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2730 (store_copy_prop): Likewise.
2731 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2733 2006-03-20 Jason Merrill <jason@redhat.com>
2736 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2737 (push_visibility, pop_visibility): Likewise.
2738 * c-pragma.h: Declare them.
2740 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2742 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2744 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2745 parameter and use get_ebb_head_tail.
2746 (sh_md_init_global): Adjust uses of find_regmode_weight.
2748 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2750 * function.h (struct function) <x_tail_recursion_reentry>:
2751 Rename to x_stack_check_probe_note.
2752 (tail_recursion_reentry): Rename to stack_check_probe_note.
2753 * function.c: Replace tail_recursion_reentry with
2754 stack_check_probe_note everywhere.
2755 (expand_function_start): Only emit a note for
2756 stack_check_probe_note with -fstack-protect.
2757 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2759 * emit-rtl.c (remove_unnecessary_notes): Remove.
2760 (pass_remove_unnecessary_notes): Remove.
2761 * rtl.h (remove_unnecessary_notes): Remove prototype.
2762 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2763 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2764 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2766 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2769 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2770 (valid_in_set): Handle ARRAY_REF.
2771 Change "if min_variant or VH" to asserts.
2772 (create_component_ref_by_pieces): Handle ARRAY_REF.
2773 (create_expression_by_pieces): Likewise.
2774 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2776 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2778 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2779 is operand of switch, not str[0].
2781 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2783 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2784 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2786 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2788 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2789 end of insn_extra_address_constraint declaration.
2791 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2793 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2794 (no-sum-in-toc): Same.
2795 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2797 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2798 NO_FP_IN_TOC for -fPIC instead of mask.
2800 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2801 (BOOT_LDFLAGS): Delete.
2803 * config/rs6000/t-aix52: Same.
2805 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2806 (stmsi[345678]_power): New.
2808 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2810 * config/ia64/ia64.opt: Add empty line to end of file.
2812 2006-03-17 Richard Guenther <rguenther@suse.de>
2815 * builtins.c (get_pointer_alignment): For component style references
2816 adjust alignment to the component type alignment. Make sure
2817 to adjust alignment for component access of constants.
2819 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2821 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2824 2006-03-17 Paul Brook <paul@codesourcery.com>
2826 * doc/install.texi: Docuemnt --with-mode.
2827 * config.gcc: Add --with-mode for arm*-*-*.
2828 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2830 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2832 * sh.c (max_labelno_before_reorg): New variable.
2833 (sh_reorg): Initialize it.
2834 (find_barrier): Check max_labelno_before_reorg before using
2835 label_to_alignment. Take length of explicit alignment insns
2836 into account. When seeing a UNSPECV_CONST_END, return it.
2838 * sh.c (fixup_mova): Set mode of affected label to QImode.
2839 (untangle_mova): New function.
2840 (find_barrier): Use it. Check mode of label before decrementing
2842 (sh_reorg): Likewise.
2843 Set mode of all insns back to VOIDmode.
2845 * sh.c (MOVA_LABELREF): New macro.
2846 (mova_p, fixup_mova, sh_reorg): Use it.
2847 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2848 ADDR_DIFF_VEC matches mova.
2850 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2852 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2853 with ATTRIBUTE_UNUSED.
2855 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2857 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2858 pointer, instead of assuming it is possible to derive the
2859 correct args size from a call insn.
2861 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2863 * rtl.h (CONST_INT_P): Define.
2864 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2865 instead of GET_CODE(x) == CONST_INT.
2866 (vax_rtx_costs): Likewise.
2867 (vax_output_int_move): Likewise.
2868 (vax_output_int_add): Likewise.
2869 (legitimate_constant_address_p): Likewise.
2870 (index_term_p): Likewise.
2871 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2872 * config/vax/vax.md (and<mode>3): Likewise.
2873 (ashrsi3): Likewise.
2875 (movstricthi): Likewise.
2876 (movstrictqi): Likewise.
2877 (rotrsi3): Likewise.
2878 (five unnamed insns): Likewise.
2880 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2882 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2883 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2884 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2885 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2886 Pass to ASM_OUTPUT_DWARF_OFFSET.
2887 * dwarf2out.c (debug_frame_section): New.
2888 (output_call_frame_info): Use debug_frame_section. Pass it to
2889 dw2_asm_output_offset.
2890 (output_die): Pass appropriate section to dw2_asm_output_offset.
2891 (output_compilation_unit_header): Likewise.
2892 (output_pubnames): Likewise.
2893 (output_aranges): Likewise.
2894 (enum dw_val_class): Break dw_val_class_lbl_offset into
2895 dw_val_class_lineptr and dw_val_class_macptr.
2896 (add_AT_lbl_offset): Delete.
2897 (add_AT_lineptr): New.
2898 (add_AT_macptr): New.
2899 (AT_lbl): Expect a lineptr or macptr.
2900 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2901 (attr_checksum): Likewise.
2902 (same_dw_val_p): Likewise.
2903 (size_of_die): Likewise.
2904 (value_format): Likewise.
2905 (output_die): Likewise.
2906 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2908 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2909 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2910 * config/darwin-protos.h (darwin_file_start): New.
2911 (darwin_asm_output_dwarf_offset): New.
2912 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2913 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2915 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2916 if not EH section; simplify.
2917 (darwin_file_start): New.
2918 (darwin_asm_output_dwarf_offset): New.
2919 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2921 (DEBUG_INFO_SECTION): Likewise.
2922 (DEBUG_ABBREV_SECTION): Likewise.
2923 (DEBUG_ARANGES_SECTION): Likewise.
2924 (DEBUG_MACINFO_SECTION): Likewise.
2925 (DEBUG_LINE_SECTION): Likewise.
2926 (DEBUG_LOC_SECTION): Likewise.
2927 (DEBUG_PUBNAMES_SECTION): Likewise.
2928 (DEBUG_STR_SECTION): Likewise.
2929 (DEBUG_RANGES_SECTION): Likewise.
2930 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2931 (ASM_OUTPUT_DWARF_OFFSET): New.
2933 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2935 * config.gcc (tm_defines): Always add to previous value rather
2938 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2940 * config/mips/predicates.md (splittable_const_int_operand): New,
2941 split from move_operand.
2942 (splittable_symbolic_operand): New.
2943 (move_operand): Add commentary. Use splittable_const_int_operand.
2944 Inline mips_atomic_symbolic_constant_p.
2945 * config/mips/mips.md: Add combine splitters for handling moves
2946 of splittable_const_int_operands and splittable_symbolic_operands.
2947 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2948 (mips_split_symbol): Declare.
2949 (mips_move_integer): Declare.
2950 * config/mips/mips.c (mips_split_p): Make global.
2951 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2952 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2953 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2954 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2955 (mips_offset_within_object_p): Handle block symbols.
2956 (mips_atomic_symbolic_constant_p): Delete.
2957 (mips_cannot_force_const_mem): Return false for constants that
2958 mips_legitimize_move can handle.
2959 (mips_use_blocks_for_constant_p): New function.
2960 (mips_split_symbol): Make global.
2961 (mips_move_integer): Likewise. Add a temporary register argument.
2962 (mips_legitimize_const_move): Use splittable_const_int_operand and
2963 splittable_symbolic_operand.
2964 (mips_use_anchors_for_symbol_p): New function.
2965 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2966 (mips_split_p): Declare.
2968 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2970 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2971 (mips*-*-linux*): Likewise.
2973 2006-03-16 Roger Sayle <roger@eyesopen.com>
2974 Daniel Speyer <dspeyer@wam.umd.edu>
2977 * tree-dump.c (dump_real): New function.
2978 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2979 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2980 (tree-dump.o): Add $(REAL_H) to the dependencies.
2982 2006-03-16 Roger Sayle <roger@eyesopen.com>
2985 * real.c (real_from_string): If the mantissa is zero, don't bother
2986 parsing the exponent as the result should always be zero.
2988 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2990 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2992 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2994 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2995 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2996 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2997 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2998 ia64_sched_finish_global): New static functions to implement
2999 hooks from gcc_target.sched.
3000 (spec_check_no, max_uid, pending_data_specs): New static variables.
3001 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3002 ia64_spec_check_src_p): New static functions.
3003 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3004 (TARGET_SCHED_ADJUST_COST): Removed.
3005 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3006 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3007 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3008 TARGET_SCHED_GEN_CHECK,
3009 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3010 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3011 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3012 Fixed to handle speculation checks.
3013 (rtx_needs_barrier): Fixed to handle speculative loads and
3015 (ia64_variable_issue): Added code to count speculative loads and their
3017 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3019 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3021 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3023 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3024 (ia64_reorg): Reset stops_p to NULL after it is freed.
3025 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3026 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3027 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3029 (data_speculative, control_speculative, check_load): New attributes.
3030 (mov<mode>_advanced, mov<mode>_speculative,
3031 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3032 zero_extend<mode>di2_speculative,
3033 zero_extend<mode>di2_speculative_advanced): New patterns for
3034 data and control speculative loads.
3035 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3037 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3038 New pattern for data and control speculation checks.
3039 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3040 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3041 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3042 Auxiliary definitions for the patterns.
3043 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3044 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3046 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3048 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3049 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3050 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3051 New resource constraints.
3052 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3054 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3055 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3056 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3057 msched-in-control-spec, msched-ldc, msched-control-ldc,
3058 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3059 msched-prefer-non-control-spec-insns,
3060 msched-count-spec-in-critical-path): New flags to tune speculative
3062 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3063 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3064 msched-in-control-spec, msched-ldc, msched-control-ldc,
3065 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3066 msched-prefer-non-control-spec-insns,
3067 msched-count-spec-in-critical-path): Document new flags.
3069 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3071 * target.h (struct spec_info_def): New opaque declaration.
3072 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3073 speculate_insn, needs_block_p, gen_check,
3074 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3075 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3076 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3077 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3078 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3079 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3081 (TARGET_SCHED): Use new macros.
3082 * rtl.h (copy_DEPS_LIST_list): New prototype.
3083 * sched-int.h (struct sched_info): Change signature of new_ready field,
3084 adjust all initializations. New fields: add_remove_insn,
3085 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3086 region_head_or_leaf_p.
3087 (struct spec_info_def): New structure declaration.
3088 (spec_info_t): New typedef.
3089 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3090 recovery_block, orig_pat.
3091 (glat_start, glat_end): New variables declaraions.
3092 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3094 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3095 DETACH_LIFE_INFO, USE_GLAT.
3096 (enum SPEC_SCHED_FLAGS): New enumeration.
3097 (NOTE_NOTE_BB_P): New macro.
3098 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3099 attach_life_info, debug_spec_status, check_reg_live): New functions.
3100 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3101 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3103 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3104 * ddg.c (get_block_head_tail): Adjust all uses.
3105 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3106 (sms_sched_info): Initialize new fields.
3107 (contributes_to_priority): Removed.
3108 * haifa-sched.c (params.h): New include.
3109 (get_block_head_tail): Adjust all uses.
3110 (ISSUE_POINTS): New macro.
3111 (glat_start, glat_end): New global variables.
3112 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3113 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3114 old_last_basic_block, before_recovery, current_sched_info_var,
3115 rgn_n_insns, luid): New static variables.
3116 (insn_cost1): New function. Move logic from insn_cost to here.
3117 (find_insn_reg_weight1): New function. Move logic from
3118 find_insn_reg_weight to here.
3119 (reemit_notes, move_insn, max_issue): Change signature.
3120 (move_insn1): Removed.
3121 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3122 extend_bb): New static functions to support extension of scheduler's
3124 (generate_recovery_code, process_insn_depend_be_in_spec,
3125 begin_speculative_block, add_to_speculative_block,
3126 init_before_recovery, create_recovery_block, create_check_block_twin,
3127 fix_recovery_deps): New static functions to support
3128 generation of recovery code.
3129 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3130 restore_bb_notes, move_block_after_check, move_succs): New static
3131 functions to support ebb scheduling.
3132 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3133 functions to support handling of register live information.
3134 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3135 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3136 add_jump_dependencies): New static functions.
3137 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3138 consistancy checking.
3139 (debug_spec_status): New function to call from debugger.
3140 (priority): Added code to handle speculation checks.
3141 (rank_for_schedule): Added code to distinguish speculative instructions.
3142 (schedule_insn): Added code to handle speculation checks.
3143 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3144 Fixed to handle ebbs.
3145 (move_insn): Added code to handle ebb scheduling.
3146 (max_issue): Added code to use ISSUE_POINTS of instructions.
3147 (choose_ready): Added code to choose between speculative and
3148 non-speculative instructions.
3149 (schedule_block): Added code to handle ebb scheduling and scheduling of
3150 speculative instructions.
3151 (sched_init): Initialize new variables.
3152 (sched_finish): Free new variables. Print statistics.
3153 (try_ready): Added code to handle speculative instructions.
3154 * lists.c (copy_DEPS_LIST_list): New function.
3155 * sched-deps.c (extend_dependency_caches): New function. Move logic
3156 from create_dependency_caches to here.
3157 (get_dep_weak, ds_merge): Make global.
3158 * genattr.c (main): Code to output prototype for
3159 dfa_clear_single_insn_cache.
3160 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3161 (output_dfa_clean_insn_cache_func): Code to output
3162 dfa_clear_single_insn_cache function.
3163 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3165 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3167 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3168 New static variables.
3169 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3170 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3172 (ebb_sched_info): Initialize new fields.
3173 (get_block_head_tail): Adjust all uses.
3174 (compute_jump_reg_dependencies): Fixed to use glat_start.
3175 (schedule_ebb): Code to remove unreachable last block.
3176 (schedule_ebbs): Added code to update register live information.
3177 * sched-rgn.c (region_sched_info): Initialize new fields.
3178 (get_block_head_tail): Adjust all uses.
3179 (last_was_jump): Removed. Adjust users.
3180 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3181 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3182 Implement new hooks.
3183 (check_dead_notes1): New static function.
3184 (struct region): New fields: dont_calc_deps, has_real_ebb.
3185 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3186 (BB_TO_BLOCK): Fixed to handle EBBs.
3187 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3188 (ebb_head): New static variable.
3189 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3190 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3192 (compute_dom_prob_ps): New assertion.
3193 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3194 global_live_at_start.
3195 (init_ready_list): New assertions.
3196 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3197 (new_ready): Add support for BEGIN_CONTROL speculation.
3198 (schedule_insns): Fixed code that updates register live information
3200 (schedule_region): Fixed to handle EBBs.
3201 (init_regions): Use extend_regions and check_dead_notes1.
3202 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3203 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3204 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3205 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3206 TARGET_SCHED_GEN_CHECK,
3207 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3208 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3209 * doc/invoke.texi (max-sched-insn-conflict-delay,
3210 sched-spec-prob-cutoff): Document.
3212 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3214 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3215 inter_tick, queue_index.
3216 (struct sched_info): Change signature of init_ready_list field.
3217 Adjust all initializations.
3218 (RESOLVED_DEPS): New access macro.
3219 (ready_add): Remove prototype.
3220 (try_ready): Add prototype.
3221 * sched-rgn.c (init_ready_list): Use try_ready.
3222 (schedule_region): Initialize
3223 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3224 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3225 (init_ready_list): Use try_ready.
3226 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3227 * lists.c (remove_list_elem): Remove `static'.
3228 (remove_free_INSN_LIST_elem): New function.
3229 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3230 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3231 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3233 (readyp): New variable.
3234 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3235 change_queue_index, resolve_dep): New static functions.
3236 (try_ready): New function. Adjust callers in sched-rgn.c and
3237 sched-ebb.c to use it instead of ready_add.
3238 (clock_var): Move at the begining of file.
3239 (rank_for_schedule): Fix typo.
3240 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3241 (ready_lastpos): Enforce assertion.
3242 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3244 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3245 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3246 (queue_to_ready): Use free_INSN_LIST_list.
3247 (early_queue_to_ready): Fix typo.
3248 (schedule_block): Init readyp. Move init_ready_list call after the
3249 initialization of clock_var. Fix error in rejecting insn by
3250 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3251 that previously corrected INSN_TICKs. Add code for handling
3253 (set_priorities): Fix typo.
3254 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3255 Clarify comment and code that keeps current_sched_info->next_tail
3258 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3260 * sched-rgn.c (extend_rgns): New static function.
3261 (find_rgns): Use it.
3262 (gather_region_statistics, print_region_statistics): New static
3264 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3265 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3267 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3268 Andrey Belevantsev <abel@ispras.ru>
3270 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3271 * lists.c (unused_deps_list): New variable.
3272 (free_list): Add assertions to verify the proper distinguishing
3273 between INSN_LISTs and DEPS_LISTs.
3274 (find_list_elem, remove_list_elem, remove_list_node): New static
3276 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3277 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3278 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3279 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3281 (free_INSN_LIST_node): Likewise.
3282 * modulo-sched.c (current_sched_info): Initialize flags field.
3283 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3284 * rtl.def (DEPS_LIST): Define.
3285 * rtl.h: Declare new functions from lists.c.
3286 * sched-deps.c (spec_dependency_cache): New static variable.
3287 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3288 (add_dependence): Change return type to void. Move the logic to ...
3289 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3290 (delete_all_dependences): Add comment about forward_dependency_cache.
3291 Handle spec_dependency_cache. Handle DEPS_LISTs.
3292 (fixup_sched_groups): Clarify the change of priority of output
3293 and anti dependencies.
3294 (sched_analyze_2): Adjust add_dependence calls to create data
3295 speculative dependence.
3296 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3297 Adjust all callers. Handle DEPS_LISTS.
3298 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3299 presence of speculation.
3300 (init_dependency_caches, free_dependency_caches):
3301 Handle spec_dependency_cache.
3302 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3303 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3304 New static functions.
3305 (add_or_update_back_dep, add_or_update_back_forw_dep,
3306 add_back_forw_dep, delete_back_forw_dep): New functions.
3307 * sched-int.h (ds_t, dw_t): New typedefs.
3308 (struct sched_info): Add new field flags.
3309 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3310 Prototype new sched-deps.c functions.
3311 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3312 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3313 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3314 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3315 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3316 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3318 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3320 * sched-rgn.c (current_sched_info): Initialize flags field.
3321 (schedule_insns): Initialize current_sched_info before the sched_init
3323 * sched-ebb.c (current_sched_info): Initialize flags field.
3324 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3325 Call add_or_update_back_dep instead of add_dependence.
3326 Create control speculative dependencies.
3327 (schedule_insns): Initialize current_sched_info before the sched_init
3330 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3332 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3334 (sh_fallback_frame_state): Likewise.
3336 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3338 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3339 Do switch on default_use_cxa_atexit.
3340 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3341 * config/darwin-crt3.o: New.
3342 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3343 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3344 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3346 * config/rs6000/t-darwin: Move crt2.o building to here.
3347 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3348 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3351 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3353 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3354 from '! xxx' to '!xxx' for coding-style conformance.
3355 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3356 (EXTRA_CONSTRAINT): Likewise.
3357 * config/vax/vax.md (four unnamed insns): Likewise.
3359 2006-03-15 Paul Brook <paul@codesourcery.com>
3361 * config/arm/arm.c (minipool_pad): New.
3362 (add_minipool_forward_ref): Include pool alignment padding in address
3364 (push_minipool_fix): Set minipool_pad.
3365 (minipool_pad): Ditto.
3367 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3369 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3370 instead of GET_CODE() == MEM and REG_P() instead of
3372 (print_operand_address): Likewise.
3373 (vax_address_cost): Likewise.
3374 (vax_rtx_costs): Likewise.
3375 (vax_notice_update_cc): Likewise.
3376 (vax_output_int_add): Likewise.
3377 (INDEX_REGISTER_P): Likewise.
3378 (BASE_REGISTER_P): Likewise.
3379 (nonindexed_address_p): Likewise.
3380 (vax_mode_dependent_address_p): Likewise.
3381 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3382 (PRINT_OPERAND): Likewise.
3383 * config/vax/vax.md (ashlsi3): Likewise.
3384 (ashlsi3): Likewise.
3385 (some more unnamed insns): Likewise.
3387 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3389 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3390 iterator-style macro.
3391 (mark_control_dependent_edges_necessary): Update the use of
3392 EXECUTE_IF_CONTROL_DEPENDENT.
3394 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3396 * config/sh/predicates.md (cache_address_operand): Special.
3397 (ua_address_operand): Likewise.
3399 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3401 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3403 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3405 2006-03-15 Andreas Schwab <schwab@suse.de>
3407 * gensupport.c (identify_predicable_attribute): Don't free p_false
3408 when it is still in use.
3410 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3412 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3413 the default setting here.
3415 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3417 * tree-pass.h (pass_cfg): Remove.
3418 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3419 * passes.c (pass_cfg): Don't run it.
3421 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3423 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3424 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3426 (stack_regs_mentioned): Update the uses of
3427 stack_regs_mentioned_data. Don't access the array beyond its
3429 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3430 Don't include gt-reg-stack.h.
3432 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3433 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3435 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3438 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3441 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3443 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3445 2006-03-14 Richard Guenther <rguenther@suse.de>
3447 PR tree-optimization/26672
3448 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3451 2006-03-14 Richard Guenther <rguenther@suse.de>
3453 PR tree-optimization/26667
3454 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3455 node for the callees. Always allow inlining if it will shrink
3458 2006-03-14 Richard Guenther <rguenther@suse.de>
3461 * builtins.c (get_pointer_alignment): Prefer alignment
3462 information from decls over that from types.
3464 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3467 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3469 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3471 * config/rs6000/rs6000.opt (mdlmzb): New option.
3472 (msched-prolog, msched-epilog): Use Var not Mask.
3473 * doc/invoke.texi (-mdlmzb): Document.
3474 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3476 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3477 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3479 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3481 PR rtl-optimization/25739
3482 * bt-load.c (augment_live_range): Free tos pointer.
3484 * gensupport.c (identify_predicable_attribute): Free
3486 * gcov.c (create_file_names): Free name pointer.
3488 2006-03-13 Roger Sayle <roger@eyesopen.com>
3491 * stmt.c (emit_case_nodes): Handle the case where the index is a
3492 CONST_INT, where the comparison mode is specified by the index type.
3494 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3496 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3499 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3501 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3502 (*branch_fp_inverted): Likewise.
3504 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3507 * omp-low.c (expand_omp_for_generic): Mark istart0
3508 and iend0 as addressable.
3510 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3512 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3514 2006-03-13 Jeff Law <law@redhat.com>
3516 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3517 virtual operands are interesting.
3518 (vrp_visit_stmt): Corresponding changes.
3520 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3522 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3524 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3525 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3526 * config/bfin/crti.S: Use it instead of __PIC__.
3527 * config/bfin/crtn.S: Likewise.
3529 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3530 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3532 Lose 'G' modifier for call operand.
3533 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3534 recognize 'G' modifier.
3536 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3539 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3540 * stmt.c (expand_case): Likewise.
3542 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3544 PR rtl-optimization/26254
3545 * loop-invariant.c (seq_insns_valid_p): New function.
3546 (move_invariant_reg): Only emit new code if it is valid.
3548 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3550 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3552 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3553 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3554 (commit_one_edge_insertion): Do not look for loop notes.
3556 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3558 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3559 flag_test_coverage out of loop.
3561 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3563 * final.c (shorten_branches): Remove outdated comment, and turn
3564 the if branch that guards it to continue.
3566 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3568 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3569 * cfgloop.h (struct loop): Remove unused fields.
3571 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3573 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3574 (-dL, -fdump-rtl-loop2): Update the dump file names
3576 * doc/invoke.texi: Update dump file names.
3578 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3580 * predict.c (estimate_probability): Remove.
3581 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3582 * basic-block.h (estimate_probability): Remove prototype.
3583 * passes.c (finish_optimization_passes): Dump branch prediction or
3584 profiling heuristics to the .profile tree dump.
3585 (init_optimization_passes): Unqueue pass_branch_prob.
3587 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3589 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3591 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3592 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3594 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3596 * function.h (frame_offset_overflow): Declare.
3597 * function.c (frame_offset_overflow): New function.
3598 (assign_stack_local_1): Call it to detect that the offset overflows.
3599 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3601 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3603 * config/sh/sh.c: Include alloc-pool.h.
3604 (label_ref_list_pool): New alloc pool.
3605 (label_ref_list_t): New type for lists of labels.
3606 (struct pool_node): Make wend a label_ref_list_t.
3607 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3609 (dump_table): Likewise.
3610 (sh_reorg): Set up the alloc pool before using add_constant and
3611 dump_table, and destroy it when finishing.
3613 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3615 * config/mips/mips.c: Remove redundant comment.
3617 2006-03-10 Jason Merrill <jason@redhat.com>
3620 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3621 the target was declared 'register'.
3623 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3625 * genpreds.c (write_insn_constraint_len): Change definition of
3626 insn_constraint_len to return size_t to match the declaration.
3628 2006-03-10 DJ Delorie <dj@redhat.com>
3630 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3632 (m32c_expand_insv): Fix test for an AND mask.
3634 2006-03-10 Richard Guenther <rguenther@suse.de>
3637 * builtins.c (get_pointer_alignment): Handle component
3638 references for field alignment.
3640 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3642 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3643 when building with libgloss.
3644 (sh*elf): Implement --without-fp option.
3645 (sh64-superh-linux*): Don't multilib.
3647 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3649 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3651 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3653 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3654 Set it when one of the replacement functions returned true.
3655 Return TODO_cleanup_cfg if cfgchanged is true.
3656 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3658 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3660 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3661 instead of gen_lowpart.
3663 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3665 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3667 (mips_output_order_conditional_branch): Declare.
3668 * config/mips/mips.h (MIPS_BRANCH): New macro.
3669 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3670 for the comparison. Use gen_condjump.
3671 (mips_output_conditional_branch): Rework interface to take the
3672 asm templates for a direct branch and the inverse of a direct branch.
3673 (mips_output_order_conditional_branch): New function.
3674 (mips_builtin_branch_and_move): New function.
3675 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3676 branch condition. Use gen_single_cc as the condition for
3677 __builtin_mips_upper_* or __builtin_mips_lower_*.
3678 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3679 Use VOIDmode for the branch condition.
3680 * config/mips/predicates.md (order_operator): New predicate.
3681 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3682 (branch_fp): Rename to...
3683 (*branch_fp): ...this. Remove mode from comparison operator.
3684 Use new mips_output_conditional_branch interface.
3685 (branch_fp_inverted): Rename to...
3686 (*branch_fp_inverted): ...this and update as for *branch_fp.
3687 (*branch_zero<mode>): Rename to...
3688 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3689 Use mips_output_order_conditional_branch. Only accept ordered
3691 (*branch_zero<mode>_inverted): Rename to...
3692 (*branch_order<mode>_inverted): ...this and update as for
3693 *branch_order<mode>.
3694 (*branch_equality<mode>): Accept zero as the second operand to
3695 the equality operator. Use the new mips_output_conditional_branch
3697 (*branch_equality<mode>_inverted): Likewise.
3698 (condjump): New expander.
3699 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3701 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3702 (bc1any2t, bc1any2f): Likewise.
3703 (single_cc): New expander.
3704 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3706 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3708 * doc/md.texi: Update documentation of MIPS constraints.
3709 * config/mips/constraints.md: New file.
3710 * config/mips/mips.md: Include it.
3711 * config/mips/mips.c (mips_char_to_class): Delete.
3712 (override_options): Don't initialize mips_char_to_class.
3713 * config/mips/mips.h (mips_char_to_class): Delete.
3714 (REG_CLASS_FROM_LETTER): Delete.
3715 (CONST_OK_FOR_LETTER_P): Delete.
3716 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3717 (EXTRA_CONSTRAINT_Y): Delete.
3718 (EXTRA_CONSTRAINT_STR): Delete.
3719 (CONSTRAINT_LEN): Delete.
3720 (EXTRA_MEMORY_CONSTRAINT): Delete.
3722 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3724 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3725 original fn's eh regions.
3727 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3729 * fold-const.c (build_range_check): Make sure to use a valid type to
3730 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3733 (range_predecessor): New static function.
3734 (range_successor): Likewise.
3735 (merge_ranges): Use them to compute predecessors and successors of
3738 2006-03-09 Roger Sayle <roger@eyesopen.com>
3741 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3742 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3744 2006-03-08 DJ Delorie <dj@redhat.com>
3746 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3747 (addpsi3): Expand to include memory operands. Remove
3748 reload-specific splits.
3749 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3750 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3751 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3752 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3753 (shift1_qi, shift1_hi, insv): New.
3754 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3755 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3756 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3758 * config/m32c/m32c-protos.h: Update as needed.
3759 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3760 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3761 Fail for unrecognized R* constraints.
3762 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3763 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3764 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3766 (m32c_init_libfuncs): New.
3767 (m32c_legitimate_address_p): Add debug wrapper.
3768 (m32c_rtx_costs): New.
3769 (m32c_address_cost): New.
3770 (conversions): Add 'B' prefix.
3771 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3772 operands, or word regnames for QI operands. 'B' prints bit
3774 (m32c_expand_setmemhi): New.
3775 (m32c_expand_movmemhi): New.
3776 (m32c_expand_movstr): New.
3777 (m32c_expand_cmpstr): New.
3778 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3779 (m32c_expand_neg_mulpsi3): Handle non-ints.
3780 (m32c_cmp_flg_0): New.
3781 (m32c_expand_movcc): New.
3782 (m32c_expand_insv): New.
3783 (m32c_scc_pattern): New.
3784 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3785 a0/a1 out of SIregs.
3786 (STORE_FLAG_VALUE): New.
3787 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3790 * config/m32c/mov.md: Make constraints more liberal.
3791 (zero_extendqihi2): Optimize r0/r1 case.
3792 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3793 * config/m32c/predicates.md (m32c_any_operand): New.
3794 (m32c_nonimmediate_operand): New.
3795 (m32c_hl_operand): New.
3796 (m32c_r3_operand): New.
3799 (memsym_operand): New.
3800 (memimmed_operand): New.
3801 (a_qi_operand): New.
3802 (m32c_eqne_operator): New.
3803 (m32c_1bit8_operand): New.
3804 (m32c_1bit16_operand): New.
3805 (m32c_1mask8_operand): New.
3806 (m32c_1mask16_operand): New.
3807 * config/m32c/blkmov.md: New file.
3808 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3810 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3812 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3813 unsigned to fix signed/unsigned comparison issue in
3814 DWARF2_FRAME_REG_OUT.
3815 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3816 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3818 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3819 of ptr into the ENABLE_CHECKING section.
3821 2006-03-08 Jeff Law <law@redhat.com>
3823 * tree-vrp.c (infer_value_range): Only count pointer uses
3824 and dereferences if -fdelete-null-pointer-checks is enabled.
3826 * tree-vrp.c (find_assert_locations): Infer value ranges for
3827 single use pointers, but do not create ASSERT_EXPRs for them.
3828 When a non-null range is inferred for a pointer, backwards
3829 propagate that range to other equivalent pointers through the
3832 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3835 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3836 language hook targets.
3837 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3838 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3839 if language hook targets were missing.
3841 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3843 * tree-ssa-opfinalize.h: Removed.
3844 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3846 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3847 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3848 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3849 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3850 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3851 finalize_ssa_v_must_def_ops): New.
3853 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3855 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3858 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3860 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3862 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3863 addresses with offsets; reorganize.
3865 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3866 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3867 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3869 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3872 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3874 2006-03-08 Ben Elliston <bje@au.ibm.com>
3876 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3878 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3881 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3884 2006-03-07 Richard Guenther <rguenther@suse.de>
3886 PR tree-optimization/26587
3887 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3889 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3891 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3893 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3895 * hooks.c (hook_bool_mode_rtx_true): New function.
3896 * hooks.h (hook_bool_mode_rtx_true): Declare.
3897 * toplev.c (compile_file): Call output_shared_constant_pool.
3898 * varasm.c (shared_constant_pool): New variable.
3899 (assemble_start_function, assemble_end_function): Remove arguments
3900 from call to output_constant_pool.
3901 (create_constant_pool): New function, split out from...
3902 (init_varasm_status): ...here.
3903 (force_const_mem): Choose between the shared and per-function constant
3904 pools. Set current_function_uses_const_pool when reusing old entries
3905 as well as when creating new ones.
3906 (mark_constant): Ignore data argument.
3907 (mark_constants): Remove pool argument.
3908 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3909 to decide whether the function uses a constant pool.
3910 (output_constant_pool_contents): New function, split out from...
3911 (output_constant_pool): ...here.
3912 (output_shared_constant_pool): New function.
3913 (init_varasm_once): Initialize shared_constant_pool.
3914 * output.h (output_constant_pool): Delete.
3915 (output_shared_constant_pool): Declare.
3916 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3917 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3919 2006-03-06 Nick Clifton <nickc@redhat.com>
3921 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3922 flag_strength_reduce.
3924 2006-03-06 Ben Elliston <bje@au.ibm.com>
3926 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3927 x86_64-*-linux* configurations.
3929 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3930 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3932 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3934 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3936 * basic-block.h: Remove the extern for
3937 rediscover_loops_after_threading.
3939 * cfgloop.c (cancel_loop): Make it static.
3940 * cfgloop.h: Remove the prototype for cancel_loop.
3942 * flow.c (recompute_reg_usage): Make it static.
3943 * rtl.h: Remove the prototype for recompute_reg_usage.
3945 * function.c (use_return_register): Make it static.
3946 * function.h: Remove the prototype.
3948 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3950 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3952 * recog.h: Remove the prototype for
3953 validate_change_maybe_volatile.
3955 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3957 * rtlanal.c (replace_reg): Remove.
3958 * rtl.h: Remove the prototype for replace_reg.
3960 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3962 * regclass.c (reg_scan_update): Remove.
3963 (reg_scan_mark_refs): Remove the last argument.
3964 * rtl.h: Remove the prototype for reg_scan_update.
3966 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3968 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3969 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3970 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3971 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3972 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3973 loop-invariant.c, omp-low.c, opts.c, passes.c,
3974 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3975 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3976 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3977 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3978 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3979 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3981 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3983 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3984 * dwarf2out.h: Remove the prototype for
3985 dwarf2out_add_library_unit_info.
3987 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3989 * tree.c (add_var_to_bind_expr): Remove.
3990 * tree.h: Remove the prototype for add_var_to_bind_expr.
3992 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3994 * regclass.c (n_non_fixed_regs): Remove.
3995 (init_reg_sets_1, globalize_reg): Remove all uses of
3997 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3999 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4001 * rtlanal.c (insns_safe_to_move_p): Remove.
4002 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4004 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4006 * expmed.c (expand_mult_add): Remove.
4007 * expr.h: Remove the prototype for expand_mult_add.
4009 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4011 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4012 and REG_SAVED_VAL_EXP constants.
4013 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4014 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4015 Handle regs stored by value.
4016 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4017 (execute_cfa_program): Handle DW_CFA_val_offset,
4018 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4019 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4020 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4021 (uw_install_context_1): Handle target regs stored by value.
4023 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4025 * tree-sra.c (tree_sra): Return todoflags;
4026 (generate_one_element): Set TODO_update_smt_usage if needed.
4027 (pass_sra): Remove TODO_update_smt_usage.
4028 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4030 (tree_ssa_forward_propagate_single_use_vars): Return
4031 TODO_update_smt_usage if we need to update SMT usage.
4032 (pass_forwprop): Remove TODO_update_smt_usage.
4034 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4036 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4037 (correct_use_link): Remove reference to get_stmt_operands.
4038 (update_stmt_operands): Likewise.
4039 (get_modify_expr_operands): New function factored out of
4040 parse_ssa_operands and get_expr_operands.
4041 Try to create V_MUST_DEFs for LHS by default.
4042 (get_expr_operands) <case MODIFY_EXPR>: Call
4043 get_modify_expr_operands.
4044 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4045 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4046 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4047 get_modify_expr_operands.
4049 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4051 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4052 * tree-flow.h: Remove the prototype for
4053 referenced_var_lookup_if_exists.
4055 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4057 PR rtl-optimization/26345
4059 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4061 2006-03-03 Roger Sayle <roger@eyesopen.com>
4063 PR tree-optimization/26524
4064 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4065 fold_convert to create a constant of the appropriate type.
4067 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4069 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4070 SYMBOL_REF_IN_BLOCK_P.
4071 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4072 of SYMBOL_FLAG_IN_BLOCK.
4073 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4074 instead of SYMBOL_REF_IN_BLOCK_P.
4075 * explow.c (use_anchored_address): Likewise.
4076 * rtl.c (rtx_size): Likewise.
4077 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4078 instead of SYMBOL_FLAG_IN_BLOCK.
4079 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4080 SYMBOL_REF_IN_BLOCK_P.
4081 (assemble_variable): Likewise.
4082 (output_constant_def_contents): Likewise.
4083 (output_constant_pool): Likewise.
4084 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4085 instead of SYMBOL_FLAG_IN_BLOCK.
4086 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4087 SYMBOL_REF_IN_BLOCK_P.
4088 (SYMBOL_REF_BLOCK): Likewise.
4089 (SYMBOL_REF_OFFSET): Likewise.
4090 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4091 SYMBOL_REF_IN_BLOCK_P.
4092 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4093 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4094 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4095 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4097 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4099 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4101 2006-03-02 Roger Sayle <roger@eyesopen.com>
4103 * simplify-rtx.c (simplify_unary_operation): When simplifying
4104 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4105 that we perform the right shift in the appropriate mode, and
4106 then extend or truncate the result to requested mode.
4108 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4110 * gengtype.c (main): Handle double_int type.
4111 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4112 * double-int.c: New file.
4113 * double-int.h: New file.
4114 * system.h: Include doubleint.h.
4115 * Makefile.in (SYSTEM_H): Include double-int.h.
4116 (double-int.o): Add.
4118 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4121 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4124 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4126 * tree-vrp.c (remove_range_assertions): Do not update statements
4129 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4131 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4133 * gcse.c (rest_of_handle_gcse): Ditto.
4134 * except.c (gate_handle_eh): Ditto.
4135 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4136 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4138 2006-03-02 Eric Christopher <echristo@apple.com>
4140 * config/i386/i386.c (machopic_output_stub): Add indirection to
4143 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4147 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4149 Sun Niagara specific optimizations.
4150 * config.gcc: Recognize niagara as target.
4151 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4152 (TARGET_CPU_niagara): Define.
4153 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4154 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4155 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4156 (ASM_CPU_SPEC): Likewise.
4157 (PROCESSOR_NIAGARA): New enum entry.
4158 (REGISTER_MOVE_COST): Handle Niagara.
4159 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4160 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4161 (sparc_override_options): Recognize "niagara", set appropriate
4162 default MASK_* values for it, and align functions to 32-bytes
4163 by default just like ULTRASPARC/ULTRASPARC3.
4164 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4165 (sparc64_initialize_trampoline): Likewise.
4166 (sparc_use_sched_lookahead): Use zero for niagara.
4167 (sparc_issue_rate): Use one for niagara.
4168 * config/sparc/niagara.md: New file.
4169 * config/sparc/sparc.md: Include it.
4170 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4171 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4172 when default cpu is niagara.
4173 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4174 (ASM_CPU_SPEC): Likewise.
4175 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4176 when default cpu is niagara.
4177 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4178 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4179 just like v9/ultrasparc/ultrasparc3.
4180 * doc/invoke.texi: Add documentation for "niagara" and improve
4181 existing documentation for ultrasparc variants.
4183 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4185 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4187 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4189 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4190 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4191 and say that only one is needed.
4192 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4193 * target.h (have_switchable_bss_sections): New hook.
4194 * explow.c (use_anchored_address): Check that the symbol is in a block.
4195 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4196 (bss_noswitch_section): New variables.
4197 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4198 (get_noswitch_section): New function.
4199 (get_block_for_section): Allow SECT to be null.
4200 (unlikely_text_section_p): Use SECTION_STYLE.
4201 (bss_initializer_p): New function.
4202 (get_variable_section): Move earlier in file. Take a new argument,
4203 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4204 Return one of the new *_sections in such cases.
4205 (get_block_for_decl): New function, extracting some logic from
4206 use_blocks_for_decl_p.
4207 (change_symbol_section): Remove in favor of...
4208 (change_symbol_block): ...this new function.
4209 (use_blocks_for_decl_p): Remove checks now performed by
4211 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4212 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4213 (emit_local, emit_bss, emit_common): ...these new functions.
4214 Return true if the alignment was honored.
4215 (emit_tls_common): New function.
4216 (asm_emit_uninitialised): Delete.
4217 (assemble_variable_noswitch): New function, split out from...
4218 (assemble_variable): ...here. Don't make decisions about common
4219 variables here. Globalize all public decls that go into non-common
4220 sections. Check whether SYMBOL_REF_BLOCK is null.
4221 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4222 (output_constant_pool): Likewise.
4223 (init_varasm_once): Initialize the new section variables.
4224 (have_global_bss_p): New function.
4225 (categorize_decl_for_section): Use bss_initializer_p.
4226 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4227 (place_block_symbol): Assert that the symbol must be in a block.
4228 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4229 (TARGET_INITIALIZER): Include it.
4230 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4231 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4232 (SECTION_MACH_DEP): Bump by two.
4233 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4234 (unnamed_section): Mention SECTION_UNNAMED in comment.
4235 (named_section): Likewise SECTION_NAMED.
4236 (noswitch_section_callback): New type.
4237 (noswitch_section): New structure.
4238 (section): Add a noswitch_section alternative.
4239 (SECTION_STYLE): New macro.
4240 (tls_comm_section, comm_section, lcomm_section): Declare.
4241 (bss_noswitch_section, have_global_bss_p): Declare.
4242 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4243 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4245 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4246 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4249 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4251 * gcc/tree-vrp.c (execute_vrp): Return value.
4252 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4253 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4254 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4255 (tree_lower_complex_O0): Ditto.
4256 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4257 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4258 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4259 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4260 (execute_tail_calls): Ditto.
4261 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4262 * gcc/tree.h (init_function_for_compilation): Ditto.
4263 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4264 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4265 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4266 * gcc/final.c (compute_alignments): Ditto.
4267 (rest_of_handle_final): Ditto.
4268 (rest_of_handle_shorten_branches): Ditto.
4269 (rest_of_clean_state): Ditto.
4270 * gcc/omp-low.c (execute_expand_omp): Ditto.
4271 (execute_lower_omp): Ditto.
4272 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4273 * gcc/ipa-reference.c (static_execute): Ditto.
4274 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4275 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4276 (rest_of_handle_machine_reorg): Ditto.
4277 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4278 * gcc/flow.c (recompute_reg_usage): Ditto.
4279 (rest_of_handle_remove_death_notes): Ditto.
4280 (rest_of_handle_life): Ditto.
4281 (rest_of_handle_flow2): Ditto.
4282 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4283 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4284 (do_ssa_store_ccp): Ditto.
4285 (execute_fold_all_builtins): Ditto.
4286 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4287 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4288 * gcc/ipa-pure-const.c (static_execute): Ditto.
4289 * gcc/cse.c (rest_of_handle_cse): Ditto.
4290 (rest_of_handle_cse2): Ditto.
4291 * gcc/web.c (rest_of_handle_web): Ditto.
4292 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4293 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4294 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4295 * gcc/tree-nrv.c (tree_nrv): Ditto.
4296 (execute_return_slot_opt): Ditto.
4297 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4298 (create_structure_vars): Ditto.
4299 * gcc/loop-init.c (rtl_loop_init): Ditto.
4300 (rtl_loop_done): Ditto.
4301 (rtl_move_loop_invariants): Ditto.
4302 (rtl_unswitch): Ditto.
4303 (rtl_unroll_and_peel_loops): Ditto.
4304 (rtl_doloop): Ditto.
4305 * gcc/gimple-low.c (lower_function_body): Ditto.
4306 (mark_used_blocks): Ditto.
4307 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4308 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4309 (cgraph_early_inlining): Ditto.
4310 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4311 * gcc/jump.c (cleanup_barriers): Ditto.
4312 (purge_line_number_notes): Ditto.
4313 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4314 (rest_of_handle_if_after_reload): Ditto.
4315 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4316 (tree_ssa_loop_im): Ditto.
4317 (tree_ssa_loop_unswitch): Ditto.
4318 (tree_vectorize): Ditto.
4319 (tree_linear_transform): Ditto.
4320 (tree_ssa_loop_ivcanon): Ditto.
4321 (tree_ssa_empty_loop): Ditto.
4322 (tree_ssa_loop_bounds): Ditto.
4323 (tree_complete_unroll): Ditto.
4324 (tree_ssa_loop_prefetch): Ditto.
4325 (tree_ssa_loop_ivopts): Ditto.
4326 (tree_ssa_loop_done): Ditto.
4327 * gcc/predict.c (tree_estimate_probability): Ditto.
4328 * gcc/recog.c (split_all_insns_noflow): Ditto.
4329 (rest_of_handle_peephole2): Ditto.
4330 (rest_of_handle_split_all_insns): Ditto.
4331 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4332 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4333 (rest_of_handle_stack_adjustments): Ditto.
4334 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4335 * gcc/function.c (instantiate_virtual_regs): Ditto.
4336 (init_function_for_compilation): Ditto.
4337 (rest_of_handle_check_leaf_regs): Ditto.
4338 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4339 (rest_of_handle_gcse): Ditto.
4340 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4341 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4342 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4343 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4344 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4345 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4346 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4347 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4348 * gcc/except.c (set_nothrow_function_flags): Ditto.
4349 (convert_to_eh_region_ranges): Ditto.
4350 (rest_of_handle_eh): Ditto.
4351 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4352 (remove_unnecessary_notes): Ditto.
4353 * gcc/except.h (set_nothrow_function_flags): Ditto.
4354 (convert_to_eh_region_ranges): Ditto.
4355 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4356 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4357 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4358 (execute_fre): Ditto.
4359 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4360 (rest_of_handle_jump2): Ditto.
4361 * gcc/tree-sra.c (tree_sra): Ditto.
4362 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4363 (execute_mudflap_function_decls): Ditto.
4364 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4365 (do_store_copy_prop): Ditto.
4366 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4367 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4368 * gcc/tree-ssa-forwprop.c
4369 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4370 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4371 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4372 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4373 (execute_late_warn_uninitialized): Ditto.
4374 * gcc/rtl.h (cleanup_barriers): Ditto.
4375 (split_all_insns_noflow): Ditto.
4376 (purge_line_number_notes): Ditto.
4377 (unshare_all_rtl): Ditto.
4378 (remove_unnecessary_notes): Ditto.
4379 (recompute_reg_usage): Ditto.
4380 (variable_tracking_main): Ditto.
4381 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4382 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4383 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4384 (execute_free_cfg_annotations): Ditto.
4385 (execute_fixup_cfg): Ditto.
4386 (execute_cleanup_cfg_pre_ipa): Ditto.
4387 (execute_cleanup_cfg_post_optimizing): Ditto.
4388 (execute_init_datastructures): Ditto.
4389 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4390 * gcc/combine.c (rest_of_handle_combine): Ditto.
4391 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4392 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4393 (rest_of_handle_reorder_blocks): Ditto.
4394 (rest_of_handle_partition_blocks): Ditto.
4395 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4396 * gcc/tree-profile.c (tree_profiling): Ditto.
4397 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4398 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4399 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4400 (rest_of_handle_sched2): Ditto.
4401 * gcc/basic-block.h (free_bb_insn): Ditto.
4402 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4403 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4404 (remove_useless_stmts): Ditto.
4405 (split_critical_edges): Ditto.
4406 (execute_warn_function_return): Ditto.
4407 (execute_warn_function_noreturn): Ditto.
4408 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4409 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4410 * gcc/passes.c (execute_one_pass): Run additional
4411 todos returned by execute function.
4412 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4415 2006-03-02 Richard Guenther <rguenther@suse.de>
4417 * tree-ssa-alias.c (find_used_portions): Consider taking
4418 the address as making the variable not write-only.
4420 2006-03-02 Nick Clifton <nickc@redhat.com>
4422 * config.gcc (default_use_cxa_atexit): Extend the description of
4423 this configure variable. Set its default value to "yes" for
4424 Linux, NetBSD and ELF targets on the assumption that they will
4425 use C libraries with the __cxa_atexit function.
4427 2006-03-02 Ben Elliston <bje@au.ibm.com>
4429 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4430 parameter as unused to suppress a build warning.
4432 2006-03-02 Ben Elliston <bje@au.ibm.com>
4434 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4437 2006-03-01 Roger Sayle <roger@eyesopen.com>
4440 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4441 declared name, the weak reference name, and the typeof name.
4442 (__gthrw): Avoid expanding the declared name suffix.
4443 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4445 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4447 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4449 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4450 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4451 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4452 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4453 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4454 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4455 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4456 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4457 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4458 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4459 (DW_END_default, DW_END_big, DW_END_little): New.
4460 (DW_END_lo_user, DW_END_hi_user): Define.
4461 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4462 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4463 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4466 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4468 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4470 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4472 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4474 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4476 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4477 to 'symbol_mem_tag'.
4479 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4482 2006-03-01 Roger Sayle <roger@eyesopen.com>
4484 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4486 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4489 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4490 MACHO_DYNAMIC_NO_PIC_P.
4491 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4493 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4496 * config/darwin-protos.h (darwin_asm_output_anchor):
4498 * config/darwin-sections.def (cstring_section):
4499 Add SECTION_MERGE to the flags.
4500 (literal4_section): Likewise.
4501 (literal8_section): Likewise.
4502 (objc_selector_refs_section): Likewise.
4503 (objc_cls_refs_section): Likewise.
4504 * config/darwin.c (darwin_asm_output_anchor): New
4506 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4508 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4510 Fix PR tree-optimization/26443
4511 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4512 to todo and PROP_tmt_usage to properties_destroyed.
4513 * tree-ssa-ccp.c (pass_ccp): Ditto.
4514 (pass_store_ccp): Ditto.
4515 * tree-ssa-dom.c (pass_dominator): Ditto.
4517 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4519 * tree-ssa-operands.c: Cleanup whitespace.
4520 (get_asm_expr_operands): Move before first invocation.
4521 (get_indirect_ref_operands): Likewise.
4522 (get_tmr_operands): Likewise.
4523 (get_call_expr_operands): Likewise.
4524 (append_def): Likewise.
4525 (append_use): Likewise.
4526 (append_v_may_def): Likewise.
4527 (append_v_must_def): Likewise.
4528 (add_call_clobber_ops): Likewise.
4529 (add_call_read_ops): Likewise.
4530 (add_stmt_operand): Likewise.
4531 (add_virtual_operand): Likewise.
4532 (build_ssa_operands): Likewise.
4534 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4539 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4540 with a call expr to ...
4541 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4543 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4545 * tree-vrp.c (extract_range_from_assert): Remove special
4546 handling for types with super-types.
4548 2006-03-01 Ben Elliston <bje@au.ibm.com>
4550 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4551 and powerpc64-*-linux* configurations.
4552 * config/t-dfprules: New file.
4554 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4555 Compile dfp-bit.c from the source directory using -DWIDTH and
4556 $DFP_CFLAGS to control the compilation of that file, rather than
4557 generating width-specific versions in the build directory.
4558 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4559 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4561 2006-02-28 Zack Weinberg <zackw@panix.com>
4563 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4566 2006-02-28 Eric Christopher <echristo@apple.com>
4568 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4569 Set up IN_LIBGCC definition of TARGET_64BIT.
4570 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4572 2006-02-28 Roger Sayle <roger@eyesopen.com>
4575 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4576 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4577 cases via the construction of "expr != 0".
4579 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4581 * alias.c (alias_invariant, alias_invariant_size): Remove.
4582 (record_base_value): Remove.
4583 (memrefs_conflict_p): Don't look at alias_invariant.
4584 (end_alias_analysis): Don't free it.
4585 * alias.h (record_base_value): Remove prototype.
4587 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4588 Adam Nemet <anemet@caviumnetworks.com>
4590 * rtl.h (truncated_to_mode): Declare it.
4591 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4592 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4593 (RTL_HOOKS_INITIALIZER): Include it.
4594 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4595 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4596 reg_truncated_to_mode.
4597 * rtlanal.c (truncated_to_mode): Define it.
4598 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4600 2006-02-28 Jeff Law <law@redhat.com>
4602 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4603 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4604 the range allowed by TYPE_PRECISION.
4606 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4608 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4610 PR tree-optimization/26419
4611 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4614 2006-02-27 Zack Weinberg <zackw@panix.com>
4616 * doc/md.texi: Fix typo in previous change.
4618 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4622 2006-02-27 Zack Weinberg <zackw@panix.com>
4624 * rtl.def (define_constraint, define_register_constraint)
4625 (define_memory_constraint, define_address_constraint): New MD forms.
4626 * gensupport.c (process_rtx): Put define_constraint etc on the
4628 * genpreds.c (process_define_predicate): Adjust comment. Validate
4629 the name, and call validate_exp to validate the expression.
4630 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4631 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4632 all callers changed.
4633 (validate_exp, needs_variable, struct constraint_data)
4634 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4635 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4636 (const_dbl_constraints, constraint_max_namelen)
4637 (have_register_constraints, have_memory_constraints)
4638 (have_address_constraints, have_address_constraints)
4639 (have_extra_constraints, have_const_int_constraints)
4640 (have_const_dbl_constraints, mangle, add_constraint)
4641 (process_define_constraint, process_define_register_constraint)
4642 (write_enum_constraint_num, write_lookup_constraint)
4643 (write_insn_constraint_len, write_regclass_for_constraint)
4644 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4645 (write_insn_extra_memory_constraint)
4646 (write_insn_extra_address_constraint)
4647 (write_satisfies_constraint_fns): New.
4648 (write_tm_preds_h): If we have new-style constraint definitions,
4649 prototype the functions generated from them, and define the
4650 old constraint interface (still used by generic code) in terms of
4652 (write_insn_preds_c): If we have new-style constraint definitions,
4653 generate all relevant functions from those definitions.
4654 (main): Handle define_constraint etc.
4655 * genoutput.c (struct constraint_data, indep_constraints)
4656 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4657 (mdep_constraint_len): New data structures and functions, defined
4658 #ifdef USE_MD_CONSTRAINTS.
4659 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4660 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4661 use new logic to validate operand constraints against constraint
4663 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4665 * defaults.h: If none of the old-style constraint macros are
4666 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4667 old-style macros; and poison REG_CLASS_FROM_LETTER,
4668 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4670 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4671 * doc/md.texi: Document new constraint-definition mechanism and the
4672 C interface it provides. Remove references to old mechanism
4673 elsewhere in the document.
4674 (Machine Constraints): Use pathnames relative to gcc directory,
4675 i.e. config/ARCH/FILE. Change i386 section to refer to
4676 config/i386/predicates.md; update that section to match docstrings.
4677 * doc/tm.texi: Move all documentation of the old constraint-
4678 definition macros to their own section, clearly mark as obsolete.
4680 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4681 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4683 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4684 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4685 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4687 (splits and peepholes): Use satisfies_constraint_*.
4688 * config/i386/i386.c (memory_address_length)
4689 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4691 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4693 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4694 scalar operation to be put back into the loop.
4696 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4699 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4700 (extract_cie_info): Handle S flag in augmentation string.
4701 (execute_cfa_program): If context->signal_frame, execute also
4702 fs->pc == context->ra instructions.
4703 (uw_frame_state_for): If context->signal_frame, don't subtract one
4704 from context->ra to find FDE.
4705 (uw_update_context_1): Set context->signal_frame to
4707 (_Unwind_GetIPInfo): New function.
4708 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4709 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4711 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4712 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4713 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4714 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4715 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4716 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4717 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4718 x86_64_fallback_frame_state): Set fs->signal_frame.
4719 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4720 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4721 (frob_update_context): Likewise. Workaround missing S flag in
4722 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4723 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4724 Remove the psw_addr + 1 hack.
4726 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4728 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4729 with aggregates here.
4730 (find_func_aliases): Remove code for &<aggregate> from here.
4732 2006-02-26 Roger Sayle <roger@eyesopen.com>
4734 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4735 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4736 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4739 2006-02-26 Roger Sayle <roger@eyesopen.com>
4742 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4744 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4746 * opts.c (decode_options): Do not handle flag_strength_reduce.
4747 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4748 and OPT_fstrength_reduce.
4749 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4750 flag_prefetch_loop_arrays for being nonzero.
4751 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4753 (fprefetch-loop-arrays-rtl): Removed.
4754 (flag_prefetch_loop_arrays): Do not specify the value.
4756 * doc/passes.texi: Update documentation of loop optimizer
4758 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4759 -frerun-loop-opt): Remove.
4761 2006-02-26 Richard Guenther <rguenther@suse.de>
4763 PR tree-optimization/26421
4764 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4765 in function calls that are ADDR_EXPRs as using the whole structure.
4767 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4769 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4770 * tree-pass.h (pass_loop_optimize): Remove.
4771 * passes.c (pass_loop_optimize): Never run it.
4772 * toplev.c (backend_init): Don't call init_loop.
4773 * opts.c (flag_loop_optimize_set): Remove.
4774 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4775 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4776 the old RTL loop optimizer when profiling enabled.
4777 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4778 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4779 pre-headers for the sake of the old RTL loop optimizer.
4780 * Makefile.in: Remove all references to loop.o.
4782 * doc/invoke.texi: Remove all references to -floop-optimize
4783 and -frerun-loop-opt.
4785 2006-02-26 Zack Weinberg <zackw@panix.com>
4787 * doc/md.texi (Machine Constraints): Refer to all files with paths
4788 relative to gcc directory (i.e. config/CPU/file). Add missing
4789 @table @code ... @end table to M32C subsection.
4791 2006-02-26 Roger Sayle <roger@eyesopen.com>
4793 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4795 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4797 2006-02-26 Roger Sayle <roger@eyesopen.com>
4798 James A. Morrison <phython@gcc.gnu.org>
4801 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4802 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4803 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4804 signedness of the shift operation.
4806 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4808 PR tree-optimization/26359
4809 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4811 2006-02-25 Roger Sayle <roger@eyesopen.com>
4813 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4814 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4815 as X == 0, and some symmetry related transformations.
4816 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4818 2006-02-25 Roger Sayle <roger@eyesopen.com>
4821 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4822 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4823 symmetry related transformations. Fold (X^C1) == C2 as
4826 2006-02-25 Juergen Weigert <jw@suse.de>
4827 Richard Guenther <rguenther@suse.de>
4829 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4831 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4833 * combine.c (gen_lowpart_or_truncate): Call
4834 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4836 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4838 * doc/invoke.texi: Move -fopenmp description to "Options for
4840 Remove reference to -lgomp.
4842 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4844 * doc/install.texi: Require GNU tar version 1.14.
4846 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4848 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4849 * doc/invoke.texi (C++ Dialect Options): Document
4850 -fno-use-cxa-get-exception-ptr.
4851 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4852 * configure: Regenerate.
4853 * c.opt (fuse-cxa-get-exception-ptr): New.
4854 * c-opts.c (c_common_handle_option): Handle
4855 OPT_fuse_cxa_get_exception_ptr.
4856 * c-common.c (flag_use_cxa_atexit): Update documentation.
4857 (flag_use_cxa_get_exception_ptr): New.
4858 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4859 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4861 (C_COMMON_OVERRIDE_OPTIONS): New.
4863 2006-02-24 Roger Sayle <roger@eyesopen.com>
4866 * combine.c (try_combine): Explicitly check whether GET_CODE is
4867 a SET or a CLOBBER, instead on checking that it isn't a USE.
4869 2006-02-24 Roger Sayle <roger@eyesopen.com>
4871 * fold-const.c (fold_comparison): New subroutine of fold_binary
4872 containing transformations common to both the equality and
4873 ordering relational operators, factored out of fold_binary.
4874 (fold_binary): Separate out the equality operators (EQ_EXPR
4875 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4876 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4877 transformations common to both.
4878 (fold_div_compare): Fix latent bugs in the previously unreachable
4879 LT_EXPR and GE_EXPR cases.
4881 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4883 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4884 decl libname for clog to __clog on AIX.
4886 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4888 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4891 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4892 output traceback table for thunks. Localise rs6000_stack_info call.
4894 2006-02-23 Roger Sayle <roger@eyesopen.com>
4895 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4897 * gthr-posix.h (__gthrw): Fix typo in comment.
4899 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4901 * doc/cpp.texi (Character sets): Document that we do support
4902 input files to be in any character set.
4904 2006-02-23 Jeff Law <law@redhat.com>
4906 * tree.h (PHI_ARG_NONZERO): Remove.
4907 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4908 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4909 node to the new node.
4911 PR tree-optimization/26425
4912 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4913 min/max, then assume its varying.
4915 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4917 PR rtl-optimization/26316
4918 * rtlanal.c (enum may_trap_p_flags): New.
4919 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4920 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4921 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4922 (may_trap_after_code_motion_p): New function.
4923 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4924 (find_invariant_insn): Use may_trap_after_code_motion_p.
4925 * rtl.h (may_trap_after_code_motion_p): Declare.
4927 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4929 * emit-rtl.c (immed_double_const): Cleanup.
4931 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4933 Fix PR tree-optimization/26376
4934 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4937 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4940 * gimplify.c (omp_add_variable): Guard variable size decl test with
4941 DECL_SIZE (decl) check.
4943 2006-02-23 Richard Guenther <rguenther@suse.de>
4946 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4947 like aggregate types.
4949 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4951 * configure.ac: Add --with{,out}-long-double-128 configure option.
4952 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4953 * configure: Rebuilt.
4954 * config.in: Rebuilt.
4955 * doc/install.texi (Options specification): Document
4956 --with-long-double-128.
4958 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4959 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4960 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4961 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4963 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4965 * config/s390/s390.c (override_options): Handle
4966 TARGET_DEFAULT_LONG_DOUBLE_128.
4968 * config/alpha/alpha.c (override_options): Handle
4969 TARGET_DEFAULT_LONG_DOUBLE_128.
4971 * config/sparc/sparc.c (sparc_override_options): Handle
4972 TARGET_DEFAULT_LONG_DOUBLE_128.
4974 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4976 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4977 (real-install-headers-tar, real-install-headers-cpio)
4978 (real-install-headers-cp): New targets.
4980 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4982 * tree.h (variable_section): Delete.
4983 * varasm.c (variable_section): Delete.
4985 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4987 * install.texi: Add notes on install.texi2html.
4988 (Building in parallel): Do not use footnotes.
4990 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4993 * doc/install.texi (Configuration): Document --disable-libgomp.
4995 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4997 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4999 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5001 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5002 (vec_extractv2df_0_sse): New.
5004 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5006 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5007 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5008 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5009 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5010 to the result of the expression.
5011 (def_cfa_1): Adjust.
5012 (frame_pointer_cfa_offset): Rename to...
5013 (frame_pointer_fb_offset): ... this. Adjust all uses.
5014 (convert_cfa_to_loc_list): Rename to...
5015 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5016 Pass it on to build_cfa_loc.
5017 (compute_frame_pointer_to_cfa_displacement): Rename to...
5018 (compute_frame_pointer_to_fb_displacement): ... this. New
5019 offset parameter. Use it in computation.
5020 (gen_subprogram_die): Compute cfa_fb_offset with the new
5021 macro, and use it to compute the fb loc list and the
5024 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5026 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5027 replaced with register_operand.
5028 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5029 non-DREG is expensive.
5030 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5031 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5034 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5036 * doc/install.texi2html: Use set -e.
5038 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5040 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5041 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5042 * doc/invoke.texi (-fshared-data): Delete.
5043 * common.opt (fshared-data): Delete.
5044 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5045 (assemble_static_space): Remove #if 0 code.
5046 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5047 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5048 * config/cris/cris.h: Remove FIXME.
5050 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5052 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5055 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5058 * combine.c (simplify_shift_const_1): Disable nested shifts
5059 optimization for vector shifts.
5061 2006-02-20 Roger Sayle <roger@eyesopen.com>
5063 PR tree-optimization/26361
5064 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5065 of unsigned integer types.
5067 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5069 * tree-chrec.c (eq_evolutions_p): New.
5070 * tree-chrec.h (eq_evolutions_p): Declared.
5071 * tree-data-ref.c: Fix formatting.
5072 (datadep_stats, dependence_stats): New.
5074 (print_direction_vector): New.
5075 (dump_data_dependence_relation): Use print_direction_vector.
5076 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5077 (compute_subscript_distance): Static.
5078 (initialize_data_dependence_relation): Static. Get the number
5079 of loops surrounding the references from the callers, and initialize
5080 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5081 base_object_differ_p analyzers.
5082 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5083 compute_overlap_steps_for_affine_1_2,
5084 analyze_subscript_affine_affine): Count the classified dependences.
5085 Print a message when a test failed.
5086 (can_use_analyze_subscript_affine_affine): New.
5087 (analyze_siv_subscript): Compute the data dependences on symbolic
5088 scevs that verify can_use_analyze_subscript_affine_affine.
5089 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5090 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5091 Handle symbolic scevs.
5092 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5094 (subscript_dependence_tester): Moved...
5095 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5096 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5097 DDR_SIZE_VECT instead of getting it in parameter.
5098 (subscript_dependence_tester): ... here. Take as a parameter
5099 loop_nest_depth. Call build_classic_dist_vector and
5100 build_classic_dir_vector.
5101 (compute_affine_dependence): Update subscript_dependence_tester
5102 parameters. Update datadep_stats counters. Call
5103 compute_subscript_distance.
5104 (compute_self_dependence): Save the dist and dir vectors. Call
5105 compute_subscript_distance.
5106 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5107 (compute_all_dependences): Reorder parameters as they were before
5108 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5109 compute_subscript_distance. Update the use of
5110 compute_affine_dependence and initialize_data_dependence_relation.
5111 (find_data_references_in_loop): Handle COMPONENT_REF.
5112 (compute_data_dependences_for_loop): Initialize dependence_stats.
5113 Don't call build_classic_dist_vector and build_classic_dir_vector.
5114 Update the parameters of initialize_data_dependence_relation and
5115 compute_all_dependences. Print the statistics from datadep_stats.
5116 (analyze_all_data_dependences): Static. Not used until the pass for
5117 checking the data dependences is contributed.
5118 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5119 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5120 (initialize_data_dependence_relation, compute_affine_dependence,
5121 analyze_all_data_dependences, compute_subscript_distance): Removed.
5122 (print_direction_vector): New.
5123 * lambda.h (gcd): ... here.
5124 (lambda_vector_gcd): Moved here from gcd_vector.
5125 * lambda-code.c (gcd, gcd_vector): Removed.
5126 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5127 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5129 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5131 * ipa-type-escape.c: Tidy some comments and white space.
5132 * tree-ssa-operands.c: Likewise.
5134 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5137 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5138 (dump_decl_name): Do not walk the decl tree chains.
5139 * tree-pass.h (TDF_CHAIN): Remove.
5141 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5143 * Makefile.in (C): Remove
5145 (.PHONY): Remove C and PROTO
5147 2006-02-20 Roger Sayle <roger@eyesopen.com>
5150 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5151 deprecated CHAR_TYPE tree code.
5153 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5155 * configure.ac (target_list): Add install-info, dvi, html.
5156 * configure: Regenerate.
5158 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5159 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5160 treelang/Make-lang.in: Do not use double-colon rules.
5162 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5164 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5165 (TMT_USED_ALONE): New macro.
5166 * tree-pass.h (PROP_tmt_usage): New property.
5167 (TODO_update_tmt_usage): New todo.
5168 * tree-ssa-alias.c (updating_used_alone): New variable.
5169 (recalculate_used_alone): New function.
5170 (compute_may_aliases): Set updating_used_alone, call
5171 recalculate_used_alone.
5172 * tree-sra.c (pass_sra): Note that this pass destroys
5173 PROP_tmt_usage, and add TODO_update_tmt_usage.
5174 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5175 * tree-flow.h (updating_used_alone): Prototype.
5176 (recalculate_used_alone): Ditto.
5177 * passes.c (execute_todo): Add code to set updating_used_alone,
5178 and call recalculate.
5179 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5180 for clobber if used alone, and add assert to verify used_alone
5183 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5185 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5186 for non tls symbols added.
5187 (legitimize_address): Do nothing for PLUS expressions if one of the
5188 addends is a tls symbol reference.
5190 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5194 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5196 * Makefile.in (BOOTSTRAPPING): New.
5197 (quickstrap): New definition if BOOTSTRAPPING=yes.
5199 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5200 * configure.ac: Substitute all_selected_languages with the languages
5201 that were configured. For all the other variables except
5202 lang_specs_files, include all the languages in the tree.
5203 * configure: Regenerate.
5205 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5206 if there is one. Run the commands to run fixincludes in the same
5209 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5210 * doc/install.texi: Document exact conventions for searching target tools.
5211 Document --with-build-time-tools. Document toplevel bootstrap. Document
5212 something more about building an Ada cross-compiler. Don't list GNU Make
5213 requirements which affect all platforms.
5215 2006-02-19 Roger Sayle <roger@eyesopen.com>
5218 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5219 only equivalent if the have both the same mode and precision.
5221 2006-02-20 Ben Elliston <bje@au.ibm.com>
5223 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5225 2006-02-19 Roger Sayle <roger@eyesopen.com>
5226 Steven Bosscher <stevenb.gcc@gmail.com>
5228 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5229 constant pool references to identify stack mode constants.
5230 * rtlanal.c (constant_pool_constant_p): New predicate to check
5231 whether operand is a floating point constant in the pool.
5232 * rtl.h (constant_pool_constant_p): Prototype here.
5233 * loop.c (scan_loop): Avoid hoisting constants from the constant
5234 pool on STACK_REGS targets.
5235 (load_mems): Likewise.
5236 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5237 loads into x87 registers expensive in terms of register pressure.
5239 2006-02-19 Roger Sayle <roger@eyesopen.com>
5241 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5242 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5244 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5246 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5247 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5249 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5251 * doc/invoke.texi: Document -fipa-pta.
5252 * common.opt: Add ipa-pta option.
5253 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5254 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5255 (do_ds_constraint): Ditto.
5256 (get_constraint_for): Only add to referenced_vars if
5257 referenced_vars exists.
5258 (insert_into_field_list): Rewrite to do this unsorted.
5259 (insert_into_field_list_sorted): Rename old insert_into_field_list
5261 (create_function_info_for): Use insert_into_field_list_sorted.
5262 (create_variable_info_for): Rewrite so it uses unsorted version,
5263 since the field list is sorted.
5264 (intra_create_variable_infos): Only add to referenced_vars if
5265 referenced_vars exists.
5266 (ipa_pta_execute): Init heapvars, and delete when done.
5267 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5269 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5271 * doc/install.texi: Add missing `@samp'.
5273 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5275 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5278 2006-02-18 Mark Wielaard <mark@klomp.org>
5280 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5281 who added new 4.1 features, bug fixes and integration support.
5283 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5286 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5289 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5291 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5292 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5293 (copy_insn_1): Likewise. Don't copy each field individually.
5295 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5297 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5298 * rtl.c (rtx_size): Rename variable to...
5299 (rtx_code_size): ...this.
5300 (rtx_size): New function.
5301 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5302 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5304 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5305 * rtl.h (rtx_code_size): New variable.
5306 (rtx_size): Change from a variable to a function.
5307 (RTX_SIZE): Rename to...
5308 (RTX_CODE_SIZE): ...this.
5311 PR tree-optimization/17106
5312 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5313 (Anchored Addresses): New section.
5314 * doc/invoke.texi (-fsection-anchors): Document.
5315 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5316 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5317 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5318 * hooks.c (hook_bool_mode_rtx_false): New function.
5319 * hooks.h (hook_bool_mode_rtx_false): Declare.
5320 * gengtype.c (create_optional_field): New function.
5321 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5322 SYMBOL_REF_IN_BLOCK_P is true.
5323 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5324 (min_anchor_offset, max_anchor_offset): Likewise.
5325 (use_anchors_for_symbol_p): New hook.
5326 * toplev.c (compile_file): Call output_object_blocks.
5327 (target_supports_section_anchors_p): New function.
5328 (process_options): Check that -fsection-anchors is only used on
5329 targets that support it and when -funit-at-a-time is in effect.
5330 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5331 if the decl doesn't have one.
5332 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5333 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5334 of force_const_mem through use_anchored_address.
5335 (expand_expr_constant): New function.
5336 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5337 calling expand_expr for INDIRECT_REF.
5338 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5339 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5340 * expr.h (use_anchored_address): Declare.
5341 * loop-unroll.c: Don't declare rtx vectors here.
5342 * explow.c: Include output.h.
5343 (validize_mem): Call use_anchored_address.
5344 (use_anchored_address): New function.
5345 * common.opt (-fsection-anchors): New switch.
5346 * varasm.c (object_block_htab, anchor_labelno): New variables.
5347 (hash_section, object_block_entry_eq, object_block_entry_hash)
5348 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5349 (use_blocks_for_decl_p, change_symbol_section): New functions.
5350 (get_variable_section): New function, split out from assemble_variable.
5351 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5352 use_blocks_for_decl_p say so. Use change_symbol_section if the
5353 symbol has already been created.
5354 (assemble_variable_contents): New function, split out from...
5355 (assemble_variable): ...here. Don't output any code for
5356 block symbols; just pass them to place_block_symbol.
5357 Use get_variable_section and assemble_variable_contents.
5358 (get_constant_alignment, get_constant_section, get_constant_size): New
5359 functions, split from output_constant_def_contents.
5360 (build_constant_desc): Create a block symbol if use_object_blocks_p
5361 says so. Or into SYMBOL_REF_FLAGS.
5362 (assemble_constant_contents): New function, split from...
5363 (output_constant_def_contents): ...here. Don't output any code
5364 for block symbols; just pass them to place_section_symbol.
5365 Use get_constant_section and get_constant_alignment.
5366 (force_const_mem): Create a block symbol if use_object_blocks_p and
5367 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5368 (output_constant_pool_1): Add an explicit alignment argument.
5369 Don't switch sections here.
5370 (output_constant_pool): Adjust call to output_constant_pool_1.
5371 Switch sections here instead. Don't output anything for block symbols;
5372 just pass them to place_block_symbol.
5373 (init_varasm_once): Initialize object_block_htab.
5374 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5375 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5376 (place_block_symbol, get_section_anchor, output_object_block)
5377 (output_object_block_htab, output_object_blocks): New functions.
5378 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5379 (TARGET_ASM_OUT): Include it.
5380 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5381 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5382 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5383 (TARGET_INITIALIZER): Include them.
5384 * rtl.c (rtl_check_failed_block_symbol): New function.
5385 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5386 (block_symbol, object_block): New structures.
5387 (rtx_def): Add a block_symbol field to the union.
5388 (BLOCK_SYMBOL_CHECK): New macro.
5389 (rtl_check_failed_block_symbol): Declare.
5390 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5391 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5392 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5393 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5394 * output.h (output_section_symbols): Declare.
5395 (object_block): Name structure.
5396 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5397 (default_use_anchors_for_symbol_p): Declare.
5398 * Makefile.in (RTL_BASE_H): Add vec.h.
5399 (explow.o): Depend on output.h.
5400 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5401 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5402 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5403 (rs6000_use_blocks_for_constant_p): New function.
5405 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5407 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5409 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5412 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5415 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5417 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5421 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5424 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5425 instead of DECL_REGISTER.
5427 2006-02-18 Olivier Hainque <hainque@adacore.com>
5430 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5432 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5435 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5436 * opth-gen.awk: Handle Var and InverseMask together.
5437 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5438 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5439 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5440 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5442 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5443 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5444 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5445 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5446 LINUX_DYNAMIC_LINKER): Define.
5447 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5448 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5450 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5451 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5452 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5453 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5454 (TARGET_C99_FUNCTIONS): Don't define.
5455 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5456 GLIBC_DYNAMIC_LINKER.
5457 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5458 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5459 GLIBC_DYNAMIC_LINKER64): Define.
5460 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5461 LINUX_DYNAMIC_LINKER64.
5462 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5463 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5464 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5465 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5466 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5467 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5468 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5469 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5470 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5471 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5472 and LINUX_DYNAMIC_LINKER32.
5473 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5474 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5475 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5476 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5477 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5479 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5480 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5481 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5482 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5483 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5484 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5485 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5486 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5487 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5488 LINUX_DYNAMIC_LINKER): Define.
5489 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5490 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5491 GLIBC_DYNAMIC_LINKER64): Define.
5492 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5493 LINUX_DYNAMIC_LINKER64.
5494 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5495 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5496 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5497 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5498 LINUX_DYNAMIC_LINKER): Define.
5499 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5500 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5501 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5502 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5503 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5504 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5505 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5506 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5507 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5508 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5509 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5510 * doc/invoke.texi (-muclibc): Remove caveat about supported
5513 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5515 * doc/cpp.texi (__TIMESTAMP__): Document.
5517 2006-02-17 Roger Sayle <roger@eyesopen.com>
5520 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5521 C is one less than the width of X (and related transformations).
5522 * simplify-rtx.c (simplify_unary_operation_1): Transform
5523 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5524 depending on STORE_FLAG_VALUE, were C is one less then the
5527 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5529 Fix PR tree-optimization/26341
5530 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5531 about NAME_MEMORY_TAG's.
5533 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5536 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5537 with hardware float support, and software float support. Add fcpy
5538 alternative to hardware patterns. Add alternatives to copy between
5539 general and floating-point registers to the 32-bit pattern.
5540 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5541 secondary reload to load a QI or HI mode constant into a floating
5543 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5544 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5546 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5549 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5551 (load_macho_picbase_di): Likewise.
5553 2006-02-16 Jeff Law <law@redhat.com>
5555 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5556 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5557 (ssa_name_nonzero_p): Likewise.
5558 (get_value_range): Return NULL if VRP is not running.
5559 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5560 VRP routines do not discover a range.
5561 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5562 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5563 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5564 (tree_expr_nonnegative_p): Similarly.
5565 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5566 (restore_nonzero_vars_to_original_value): Remove.
5567 (unsafe_associative_fp_binop): Remove.
5568 (tree_ssa_dominator_optimize): Remove initialization and
5569 finalization of nonzero_vars and nonzero_vars_stack.
5570 (dom_opt_initialize_block): No longer push marker on
5572 (dom_opt_finalize_block): No longer call
5573 restore_nonzero_vars_to_original_value.
5574 (record_equivalences_from_phis): No longer look for
5575 nonzero PHI arguments.
5576 (cprop_into_successor_phis): No longer propagate nonzero
5577 property into PHI arguments. Lose unused argument. Caller
5579 (record_equivalences_from_stmt): No longer record nonzero
5580 values for SSA_NAMEs.
5581 (lookup_avail_expr): No longer use nonzero_vars.
5583 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5584 for sizetype when sizetype is unsigned.
5586 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5588 PR rtl-optimization/25603
5589 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5590 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5591 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5592 with new meaning of SETS.
5594 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5599 * config/linux.opt: New file.
5600 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5601 LINUX_DYNAMIC_LINKER): Define.
5602 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5603 * config.gcc (*-*-linux*): Define extra_options.
5604 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5605 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5606 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5607 GLIBC_DYNAMIC_LINKER.
5608 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5609 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5610 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5611 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5612 * doc/invoke.texi (GNU/Linux Options): New section.
5614 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5616 * config/sparc/sparc.md (setjmp): Rewrite.
5617 (setjmp_32): Delete.
5618 (setjmp_64): Likewise.
5620 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5622 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5625 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5627 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5630 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5632 PR rtl-optimization/26296
5633 * Makefile.in (loop-invariant.c): Add except.h dependency.
5634 * loop-invariant.c: Include except.h.
5635 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5637 2005-02-16 Paul Brook <paul@codesourcery.com>
5639 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5642 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5644 PR rtl-optimization/25636
5645 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5646 when deciding whether an insn is an initializing insn.
5648 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5650 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5651 (tree_code_size): Ditto.
5652 * tree.h (struct tree_memory_tag): Remove parent_var.
5653 (struct tree_struct_field_tag): New.
5656 (union tree_node): Add sft member.
5657 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5659 (create_sft): Add size and offset argument, set SFT_OFFSET and
5661 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5662 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5663 * tree-flow-inline.h (get_subvar_at): Update for
5664 SFT_OFFSET/SFT_SIZE.
5665 (var_can_have_subvars): Ditto.
5666 (overlap_subvar): Ditto.
5667 * print-tree.c (print_node): Print out interesting things for
5669 * tree-flow.h (struct subvar): Remove offset and size members.
5670 * tree-ssa-operands.c (get_expr_operands): Update for
5671 get_indirect_ref_operands changes.
5672 (get_indirect_ref_operands): Call add_virtual_operand instead of
5673 add_stmt_operand. Only recurse on base var if requested.
5674 (access_can_touch_variable): New function.
5675 (add_stmt_operand): Split virtual operand handling into ...
5676 (add_virtual_operand): Here. Add offset, size, and for_clobber
5677 arguments. Prune alias sets.
5678 (add_call_clobber_ops): Call add_virtual_operand.
5680 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5683 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5685 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5686 than TREE_CODE as index into omp_clause_num_ops array.
5688 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5690 PR rtl-optimization/26184
5691 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5693 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5694 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5695 must_precede, must_follow and tobe_scheduled.
5698 * opts.c (common_handle_option): Free new_option pointer.
5699 * df-core.c (df_analyze): Free postorder pointer.
5701 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5703 * Makefile.in: Fix the examples about the use of stamps
5705 2006-02-15 Michael Matz <matz@suse.de>
5709 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5710 influenced by maximum_field_alignment or DECL_PACKED.
5711 (update_alignment_for_field): Ditto.
5712 (place_field): Ditto.
5713 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5716 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5718 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5719 (debug_flow_info): Pass it.
5720 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5721 * bb-reorder.c (reorder_basic_blocks): Likewise.
5722 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5723 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5724 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5725 * gcse.c (gcse_main, bypass_jumps): Likewise.
5726 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5727 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5728 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5729 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5730 * rtl.h (dump_flow_info): Adjust prototype.
5731 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5732 * var-tracking.c (variable_tracking_main): Likewise.
5733 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5734 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5737 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5739 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5742 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5744 PR tree-optimization/26209
5745 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5746 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5748 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5750 2006-02-14 Roger Sayle <roger@eyesopen.com>
5753 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5754 (X,Y) and the corresponding symmetry related transformations.
5755 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5756 (X,Y) and its symmetry related transformations.
5758 2006-02-14 Roger Sayle <roger@eyesopen.com>
5760 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5763 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5765 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5767 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5770 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5771 support COMDAT group.
5772 * configure: Regenerate.
5774 2006-02-14 Roger Sayle <roger@eyesopen.com>
5779 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5781 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5783 Fix PR tree-optimization/26260
5785 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5787 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5788 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5789 * tree-ssa-structalias.c (create_variable_info_for): Use
5790 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5792 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5794 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5796 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5797 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5798 of the ending condition.
5799 * tree-ssa-loop-manip.c: Include params.h.
5800 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5801 tree_unroll_loop): New functions.
5802 * tree-pass.h (pass_loop_prefetch): Declare.
5803 * loop.c (rest_of_handle_loop_optimize): Test for
5804 -fprefetch-loop-arrays-rtl.
5805 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5806 * timevar.def (TV_TREE_PREFETCH): New timevar.
5807 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5808 pass_loop_prefetch): New.
5809 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5810 (cleanup_tree_cfg_loop): Call scev_reset.
5811 * common.opt (fprefetch-loop-arrays-rtl): Add.
5812 * tree-ssa-loop-prefetch.c: New file.
5813 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5814 (new_temp_expr_table): Initialize expr_vars.
5815 (free_temp_expr_table): Cleanup expr_vars.
5816 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5817 expressions from being merged into one.
5818 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5819 (struct tree_niter_desc): Add control, bound and cmp fields.
5820 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5822 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5823 (tree-cfgcleanup.o): Add SCEV_H dependency.
5824 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5825 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5827 2006-02-14 Richard Guenther <rguenther@suse.de>
5829 PR tree-optimization/26258
5830 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5831 in PHI argument processing.
5833 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5835 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5836 new expression in the requested machine mode.
5838 2006-02-13 Roger Sayle <roger@eyesopen.com>
5840 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5841 directly, instead let do_compare_rtx_and_jump handle this for us.
5842 * expr.c (expand_expr_real_1): Likewise.
5843 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5844 before do_jump_by_parts_greater.
5845 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5846 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5848 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5850 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5852 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5854 PR rtl-optimization/26235
5855 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5856 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5859 2006-02-13 Jeff Law <law@redhat.com>
5861 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5864 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5867 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5868 twice if decl is a builtin. When trying again, call get_callee_fndecl
5869 first to verify it is still a builtin.
5871 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5873 * dwarf2out.c (base_type_die): Don't add AT_name here.
5874 (subrange_type_die): Don't add AT_name here.
5875 (modified_type_die): Rearrange code flow. Do add AT_name here.
5877 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5879 PR rtl-optimization/26247
5880 PR rtl-optimization/26248
5881 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5883 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5885 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5886 * config/fixtfdi.c: Likewise.
5887 * config/fixunstfdi.c: Likewise.
5888 * config/floatditf.c: Likewise.
5890 2006-02-13 Roger Sayle <roger@eyesopen.com>
5893 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5894 into (X,C2) if C1 is a subset of the bits of C2. Transform
5895 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5897 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5899 2006-02-13 Josh Conner <jconner@apple.com>
5902 * varasm.c (function_section): Check for section name before
5903 calling select_section on targets that define
5904 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5905 unlikely_text_section instead of hot_function_section if
5906 first_function_block_is_cold.
5908 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5911 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5913 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5915 PR rtl-optimization/26222
5916 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5917 after tree->rtl expansion.
5918 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5919 before passing it to emit_move_insn.
5921 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5923 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5925 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5926 Clarify documentation.
5927 * c-common.h (warn_write_strings): Remove.
5928 * c-common.c (warn_write_strings): Likewise.
5929 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5932 2006-02-12 Roger Sayle <roger@eyesopen.com>
5935 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5936 (do_jump_parts_zero_rtx): New function renamed from
5937 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5938 (do_jump_parts_equality_rtx): New function split out from
5939 do_jump_parts_equality. Old implementation renamed as above.
5940 Call do_jump_parts_zero_rtx if either operand is zero.
5941 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5942 do all of the heavy lifting.
5943 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5944 calling either do_jump_by_parts_greater_rtx or
5945 do_jump_by_parts_equality_rtx.
5946 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5947 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5948 moved to do_compare_rtx_and_jump, call it directly.
5949 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5950 mode argument. Call do_compare_rtx_and_jump.
5951 (emit_case_nodes): Update calls to do_jump_if_equal.
5953 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5955 PR rtl-optimization/26225
5956 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5958 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5960 PR rtl-optimization/26232
5961 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5963 2006-02-11 Jason Merrill <jason@redhat.com>
5966 * tree-inline.c (declare_return_variable): Just don't use the
5967 modify target if it's a gimple complex reg and the return slot
5970 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5972 * doc/contrib.texi: Update my entry.
5974 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5976 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5978 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5980 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5983 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5985 * doc/invoke.texi (-floop-optimize2): Removed.
5986 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5987 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5988 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5989 * common.opt (floop-optimize2): Removed.
5990 (fmove-loop-invariants): Enabled by default.
5992 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5994 * tree-if-conv.c (combine_blocks): Free the result of
5995 get_loop_exit_edges.
5997 2006-02-10 Jeff Law <law@redhat.com>
5999 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6001 PR tree-optimization/26213
6002 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6003 loop trying to follow SSA_NAME_VALUE chains.
6005 2006-02-10 Richard Guenther <rguenther@suse.de>
6007 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6008 deal with structures that end in implicitly variable sized arrays.
6010 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6012 PR rtl-optimization/24762
6013 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6016 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6018 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6019 (struct ivopts_data): Add regs_used field.
6020 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6021 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6022 instead of loop_data->regs_used;
6023 (free_loop_data): Do not free aux fields for loops.
6024 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6025 and tree_ssa_iv_optimize_finalize.
6027 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6029 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6031 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6034 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6035 computing the effective result type.
6037 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6040 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6041 (tree_overlaps_hard_reg_set): Declare.
6042 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6043 type and signature to match function type expected by walk_tree.
6044 (tree_overlaps_hard_reg_set): New function.
6045 (decl_conflicts_with_clobbers_p): Rename to:
6046 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6047 Use tree_overlaps_hard_reg_set. Changed caller.
6048 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6049 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6050 * cris.c (cris_md_asm_clobbers): Likewise.
6052 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6054 * reload1.c (emit_input_reload_insns): Delete code that tries to
6055 inherit using find_equiv_reg.
6057 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6059 * c-common.h (flag_const_strings): Don't declare.
6060 * c-common.c (flag_const_strings): Remove.
6061 * c.opt (fconst_strings): Remove.
6062 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6063 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6064 (c_common_init_options): Don't set flag_const_strings.
6065 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6067 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6069 * arm.md (tlobits_cbranch): New pattern.
6070 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6071 testing a single bit.
6073 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6076 * tree-ssa-pre.c (create_component_ref_by_pieces):
6077 Handle RETURN_DECL like VAR_DECL.
6079 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6082 * fold-const.c (fold_indirect_ref_1): Fold
6083 "*(foo *)&complexfoo" to "__real__ complexfoo"
6084 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6086 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6088 * tree-flow-inline.h (var_can_have_subvars):
6089 Volatile variables should not have subvariables.
6091 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6094 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6095 multiplying unsigned values.
6098 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6100 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6102 2006-02-08 Jason Merrill <jason@redhat.com>
6105 * tree.def: Elaborate on difference from MODIFY_EXPR.
6106 * doc/c-tree.texi (INIT_EXPR): Likewise.
6107 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6108 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6109 (gimplify_target_expr): Likewise.
6110 (gimplify_cond_expr): Remove target handling.
6111 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6112 (gimplify_expr): Clobber it here.
6113 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6114 Do return slot optimization if we have an INIT_EXPR.
6117 * tree-inline.c (declare_return_variable): Also clear
6118 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6121 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6124 * gimplify.c (gimplify_one_sizepos): Fix typo.
6126 2006-02-08 Jeff Law <law@redhat.com>
6128 PR tree-optimization/21417
6129 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6130 across a backedge if the control statement at the end of the
6131 block is data dependent on other statements in the same block.
6132 (record_temporary_equivalences_from_stmts): Remove over-conservative
6133 test for threading across backedges.
6135 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6136 control statement, handle all three special cases in the same
6137 manner as they all have the same desired solution. No longer
6138 special case edge flag updating when the post dominator is
6141 2006-02-08 Roger Sayle <roger@eyesopen.com>
6143 * tree.def (CHAR_TYPE): Remove.
6144 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6145 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6146 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6147 (gen_string_type_die): Delete unreachable function.
6149 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6150 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6151 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6152 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6153 * builtins.c (type_to_class): Likewise.
6154 * fold-const.c (fold_convert, build_range_check,
6155 merge_ranges): Likewise.
6156 * expr.c (count_type_elements): Likewise.
6157 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6158 * stor-layout.c (layout_type): Likewise.
6159 * ipa-type-escape.c (type_to_consider): Likewise.
6160 * gimplify.c (omp_firstprivatize_type_sizes,
6161 gimplify_type_sizes): Likewise.
6162 * explow.c (promote_mode): Likewise.
6163 * tree-sra.c (is_sra_scalar_type): Likewise.
6164 * varasm.c (output_constant): Likewise.
6165 * tree-inline.c (remap_type_1): Likewise.
6166 * convert.c (convert_to_pointer, convert_to_real,
6167 convert_to_integer, convert_to_complex): Likewise.
6169 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6171 * df-scan.c (df_def_record_1): A set destination may
6172 be a parallel regardless of mode.
6174 2006-02-08 Roger Sayle <roger@eyesopen.com>
6177 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6178 * config/mips/_tilib.c: Remove.
6179 * config/fixtfdi.c: New libgcc source file.
6180 * config/fixunstfdi.c: New source file.
6181 * config/floatditf.c: New source file.
6182 * config/floatunditf.c: New souce file.
6183 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6184 files above instead of config/mips/_tilib.c.
6185 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6187 2006-02-08 Jeff Law <law@redhat.com>
6189 PR tree-optimization/26169
6190 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6193 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6195 * df.h (DF_REG_SIZE): Return the length of the initialized
6198 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6200 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6201 __muldf3): Return a correctly signed zero.
6203 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6205 * passes.c (register_one_dump_file): Accept the current properties
6206 instead of pass number. Adjust call to dump_register. Remove
6208 (register_dump_files): Now a wrapper around...
6209 (register_dump_files_1): ... this one. Do not modify the pass
6211 (next_pass_1): Cosmetic fix.
6212 (execute_todo): Keep second parameter only. Use curr_properties
6213 instead of fetching it from the pass structure. Check and set
6215 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6216 instead of fetching it from the pass structure. Fix calls to
6217 execute_todo. Update curr_properties and initialize .vcg RTL dump
6218 after running the pass. Reset last_verified.
6219 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6221 (FIRST_AUTO_NUMBERED_DUMP): New.
6222 (dump_register): Remove "num" parameter, assign it within the
6224 (get_dump_file_name): Modify template for dumps.
6225 * tree-dump.h (dump_register): Adjust prototype.
6226 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6227 (PROP_trees): Add PROP_gimple_lomp.
6228 (TODO_set_props): New.
6229 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6230 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6231 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6233 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6235 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6236 (sparc64-*-linux*): Likewise.
6237 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6238 * config/sparc/t-linux: New file.
6239 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6240 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6241 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6242 -m32 -mlong-double-128.
6244 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6245 * config/alpha/t-linux: New file.
6246 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6248 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6249 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6250 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6251 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6252 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6253 (CPP_ARCH32_SPEC): Remove.
6255 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6257 PR tree-optimization/26145
6258 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6261 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6264 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6265 >= 240000 when generating code for SOM runtime.
6266 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6267 to $$dyncall when generating code for SOM runtime..
6269 2006-02-07 Dirk Mueller <dmueller@suse.com>
6272 * doc/invoke.texi (-Wsequence-point): Update documentation
6273 that -Wsequence-point is implemented for C++ as well.
6275 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6277 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6278 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6279 (LIB_SPEC): Likewise.
6280 * doc/invoke.texi (SPARC options): Document -pthread.
6282 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6284 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6287 2006-02-07 Roger Sayle <roger@eyesopen.com>
6289 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6290 Correct comment describing BOOLEAN_TYPE.
6292 2006-02-07 Dirk Mueller <dmueller@suse.com>
6294 * c.opt: C++ frontend supports -Wdiv-by-zero.
6295 * c-opts.c (c_common_handle_option): Remove dead case.
6297 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6299 * configure.ac (TLS assembler check): Do not enable TLS by
6300 default on SPARC/Solaris before version 10.
6301 * configure: Regenerate.
6303 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6305 * doc/invoke.texi (xl-compat): Document conversion and support
6308 2006-02-07 Jeff Law <law@redhat.com>
6310 * tree-vrp.c (find_conditional_asserts): Update comments.
6311 (simplify_stmt_for_jump_threading): New.
6312 (identify_jump_threads, finalize_jump_threads): New.
6313 (vrp_finalize): Call identify_jump_threads.
6314 (execute_vrp): Call finalize_jump_threads.
6315 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6316 (vrp_element, vrp_data, vrp_element_p): Remove.
6317 (vrp_hash_elt, vrp_variables_stack): Remove.
6318 (vrp_hash, vrp_eq, record_range): Remove.
6319 (simplify_cond_and_lookup_avail_expr): Remove.
6320 (extract_range_from_cond): Remove.
6321 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6322 (simplify_stmt_for_jump_threading): New.
6323 (dom_thread_across_edge): New wrapper.
6324 (tree_ssa_dominator_optimize): No longer initialize or
6325 finalize any of the VRP datastructures. Remove iteration
6326 step and simplify as a result of removal of iteration step.
6327 (pass_dominator): Perform a cfg cleanup after DOM.
6328 (dom_opt_finalize_block): Use the new common routines
6329 for threading jumps. Simplify stack management slightly.
6330 No longer need to unwind VRP state.
6331 (record_equivalences_from_incoming_edge): No longer record
6333 (eliminate_redundant_computations): No longer call
6334 simplify_cond_and_lookup_avail_expr.
6335 * tree-flow.h (potentially_threadable_block): Prototype.
6336 (thread_across_edge): Likewise.
6337 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6338 (tree-ssa-threadedge.o): Add dependencies.
6339 * tree-ssa-threadedge.c: New file.
6340 * passes.c (init_optimization_passes): Merge PHIs before
6341 calling VRP. Run VRP again late in the SSA optimization pipeline.
6343 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6345 * df-core.c (df_set_blocks): Do not dereference function pointers.
6346 (df_finish1): Likewise.
6347 (df_hybrid_search_forward): Likewise.
6348 (df_hybrid_search_backward): Likewise.
6349 (df_iterative_dataflow): Likewise.
6350 (df_analyze_problem): Likewise.
6351 (df_compact_blocks): Likewise.
6352 (df_dump): Likewise.
6353 * df-scan.c (df_rescan_blocks): Likewise.
6354 (df_record_entry_block_defs): Likewise.
6356 * genconditions.c (write_conditions): Guard the definition of
6357 'insn_conditions' with the check on GCC version.
6358 (write_writer): Guard the traversal 'insn_conditions' with
6359 the check on GCC version.
6361 2006-02-07 Richard Guenther <rguenther@suse.de>
6365 2006-01-30 Richard Guenther <rguenther@suse.de>
6367 * gimplify.c (gimplify_target_expr): Handle easy cases
6368 without creating a temporary.
6370 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6372 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6373 use of float in probability computations. Use edge probabilities
6374 in place of statically computed probabilities.
6375 (min_spec_prob): New static variable.
6376 (schedule_insns): Initialize it.
6377 (GET_SRC_PROB): Removed.
6378 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6380 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6383 * config/ia64/unwind-ia64.c: Revert last change.
6384 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6385 (INCOMING_FRAME_SP_OFFSET): Define.
6387 2006-02-06 Roger Sayle <roger@eyesopen.com>
6389 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6391 2006-02-07 Ben Elliston <bje@au.ibm.com>
6393 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6394 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6395 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6396 (ix86_return_in_memory): Handle TDmode.
6397 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6398 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6400 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6402 * reorg.c (dbr_schedule): Use dump_file instead of file.
6404 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6407 * config/ia64/predicates.md (extr_len_operand): New predicate.
6408 * config/ia64/ia64.md (extv): Tighten constraints.
6410 (*tbit_and_2): Ditto.
6411 (*tbit_and_3): Ditto.
6412 (*tbit_or_2): Ditto.
6413 (*tbit_or_3): Ditto.
6417 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6420 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6422 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6424 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6425 loop_optimizer_init and loop_optimizer_finalize
6426 * tree-ssa-sink.c (execute_sink_code): Ditto.
6427 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6428 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6429 tree_ssa_loop_done): Ditto.
6430 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6431 * sched-ebb.c: Include output.h.
6432 (schedule_ebbs): Do not use dump argument.
6433 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6434 * loop.c (loop_dump_stream): Removed.
6435 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6437 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6438 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6439 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6440 loop_iterations, strength_reduce, record_biv, record_giv,
6441 final_giv_value, check_final_value, check_ext_dependent_givs,
6442 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6443 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6444 dump_file instead of loop_dump_stream.
6445 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6447 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6449 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6450 * haifa-sched.c: Include output.h
6451 (schedule_insns, sched_init): Do not use dump argument.
6452 * mode-switching.c (optimize_mode_switching): Ditto.
6453 * modulo-sched.c (stats_file): Removed.
6454 (print_node_sched_params): Do not call argument dump_file.
6455 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6456 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6458 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6460 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6461 rtl_loop_init, rtl_loop_done): Ditto.
6462 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6463 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6465 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6466 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6467 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6468 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6469 * emit-rtl.c (renumber_insns): Ditto.
6470 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6471 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6472 * regclass.c (regclass): Ditto.
6473 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6474 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6475 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6476 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6478 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6479 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6481 * gcse.c (gcse_file, debug_stderr): Removed.
6482 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6483 rest_of_handle_gcse): Do not use dump argument.
6484 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6485 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6486 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6487 compute_code_hoist_vbeinout, compute_code_hoist_data,
6488 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6489 compute_store_table, build_store_vectors, insert_insn_start_bb,
6490 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6491 store_motion): Use dump_file instead of gcse_file.
6492 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6493 * profile.c (profile_dump_file): Removed.
6494 (branch_prob): Use dump_file instead of profile_dump_file.
6495 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6497 * tree-ssa-copy.c (dump_copy_of): Ditto.
6498 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6499 dump file to life_analysis.
6500 * bt-load.c (branch_target_load_optimize): Ditto.
6501 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6503 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6504 regclass, dbr_schedule): Declaration changed.
6505 * sched-int.h (sched_init): Declaration changed.
6506 * tree-profile.c (tree_profile_dump_file): Removed.
6507 (tree_profile_hooks): Removed profile_dump_file hook.
6508 * rtl-profile (rtl_profile_dump_file): Removed.
6509 (rtl_profile_hooks): emoved profile_dump_file hook.
6510 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6512 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6513 * tree-cfg.c (build_tree_cfg): Ditto.
6514 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6515 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6516 Declaration changed.
6517 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6518 life_analysis and schedule_insns.
6519 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6521 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6523 * config/mips/mips.c (mips_reorg): Ditto.
6524 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6527 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6529 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6530 (s390_mangle_fundamental_type): New.
6531 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6534 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6535 (alpha_mangle_fundamental_type): New.
6536 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6539 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6541 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6543 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6544 (sparc_mangle_fundamental_type): New.
6546 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6548 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6549 (s390x-*-linux*): Likewise.
6550 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6551 * config/s390/t-linux: New file.
6553 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6555 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6556 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6558 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6560 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6561 (ANTIC_SAFE_LOADS): New macro.
6562 (find_or_generate_expression): Add prototype.
6563 (set_contains_value): Allow null set for sake of not always having
6564 to allocate ANTIC_SAFE_LOADS.
6565 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6566 Allow COMPONENT_REF too.
6567 (valid_in_set): Allow COMPONENT_REF.
6568 Check ANTIC_SAFE_LOADS too.
6569 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6570 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6572 (can_PRE_operation): Add COMPONENT_REF.
6573 (create_component_ref_by_pieces): New function.
6574 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6575 (insert_aux): Move AGGREGATE_TYPE_P check here.
6576 (compute_avail): Set bb local stmt uids.
6577 (pass_pre): Use TODO_update_ssa_only_virtuals.
6579 2006-02-06 Ben Elliston <bje@au.ibm.com>
6581 * configure.ac: Unconditionally disable decimal float by default.
6582 * configure: Regenerate.
6584 2006-02-06 Ben Elliston <bje@au.ibm.com>
6586 * read-rtl.c (read_name): Terminate reading on EOF.
6588 2006-02-06 Ben Elliston <bje@au.ibm.com>
6590 * dfp.c (decimal_real_arithmetic): Change second argument type
6591 from int to enum tree_code. Do not always return true, but now
6592 return result of any call to decimal_do helper functions.
6593 * dfp.h (decimal_real_arithmetic): Update prototype.
6595 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6597 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6599 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6602 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6605 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6607 * tree-vrp.c (cfg_loops): Removed.
6608 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6609 Use current_loops instead of cfg_loops. Pass flags to
6610 loop_optimizer_init.
6611 * cfgloopmanip.c (fix_loop_structure): Update only available
6613 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6614 loop_optimizer_init.
6615 * modulo-sched.c (build_loops_structure): Removed.
6616 (sms_schedule): Use loop_optimizer_init.
6617 * loop-init.c (loop_optimizer_init): Use flags to determine
6618 which properties of loops to prepare.
6619 (rtl_loop_init): Pass flags to loop_optimizer_init.
6620 * tree-ssa-sink.c (execute_sink_code): Ditto.
6621 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6622 * tree-ssa-pre.c (init_pre): Ditto.
6623 * cfgloop.h (LOOPS_NORMAL): New.
6624 (loop_optimizer_init): Declaration changed.
6626 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6628 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6629 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6631 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6633 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6635 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6636 * pa/t-pa64: Delete quadlib.c rule.
6637 * pa/x-ada: Revert last change.
6638 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6640 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6642 PR rtl-optimization/26087
6643 * rtlanal.c (canonicalize_condition): Do not cross basic block
6646 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6649 * config/ia64/ia64.c: Include debug.h.
6650 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6651 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6652 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6653 (process_epilogue, process_set, process_for_unwind_directive):
6654 Output unwind info only if requested. Add CFA info if requested.
6655 Add new arguments as needed. Adjust callers.
6656 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6658 (DWARF2_FRAME_INFO): Define to zero.
6659 * config/ia64/unwind-ia64.c: Remove code that compensated for
6660 the CFA offset error fixed above.
6661 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6662 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6663 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6664 -funwind-tables and -fexceptions to enable frame info.
6665 (dwarf2out_frame_init): Define initial CFA even if
6666 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6667 DWARF2_UNWIND_INFO is nonzero, not just defined.
6668 (dwarf2out_frame_finish): Output non-EH call frame info only
6669 if DWARF2_FRAME_INFO is nonzero.
6670 (convert_cfa_to_loc_list,
6671 compute_frame_pointer_to_cfa_displacement): Define even if
6672 unwind info is not supported.
6673 (gen_subprogram_die): Use the above unconditionally. Remove
6674 legacy alternate code.
6675 * toplev.c (compile_file): Compile in call to
6676 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6677 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6679 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6680 Jakub Jelinek <jakub@redhat.com>
6682 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6683 IBM extended float format long double as "g" on powerpc*-linux.
6685 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6688 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6689 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6691 2006-02-03 Jason Merrill <jason@redhat.com>
6694 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6697 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6698 on the return slot if it's an NRV.
6700 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6702 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6703 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6704 rewrite_use): Do not handle USE_OUTER.
6705 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6706 add_iv_outer_candidates, may_replace_final_value,
6707 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6708 (find_interesting_uses_op): Functionality of
6709 find_interesting_uses_outer_or_nonlin moved here.
6710 (find_interesting_uses_outside): Use find_interesting_uses_op.
6712 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6715 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6717 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6718 Ulrich Weigand <uweigand@de.ibm.com>
6721 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6722 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6723 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6724 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6726 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6727 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6728 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6729 Define secondary reloads for TFmode moves.
6730 (constant_modes): Add TFmode.
6731 (NR_C_MODES): Set to 8.
6732 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6734 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6735 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6736 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6737 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6738 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6739 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6740 (FPR mode macro): Add TFmode.
6741 (DSF mode macro): New.
6742 (<de>, <dee> mode attributes): Removed.
6743 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6744 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6745 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6746 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6747 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6748 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6749 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6750 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6751 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6752 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6753 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6754 "*negabs<mode>2", "sqrt<mode>2"):
6755 Changed <de> to <xde>. R constraint replaced by <Rf>.
6756 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6758 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6759 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6760 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6762 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6763 "extenddftf2", "extendsftf2"): New expanders.
6764 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6765 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6766 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6767 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6769 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6770 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6771 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6772 __floatditf): Add a GCC_4.1.0 symbol version tag.
6773 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6776 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6779 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6780 Use targetm.binds_local_p instead of TREE_PUBLIC.
6782 2006-02-02 Roger Sayle <roger@eyesopen.com>
6784 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6785 on INTEGER_TYPEs to indicate that it denotes a character type.
6786 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6787 signed_char_type_node, unsigned_char_type_node and char_type_node.
6788 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6789 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6790 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6792 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6793 Daniel Berlin <dberlin@dberlin.org>
6795 * tree-tailcall.c (arg_needs_copy_p): New function.
6796 (eliminate_tail_call): Use arg_needs_copy_p.
6797 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6798 (add_virtual_phis): New function.
6800 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6802 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6803 #ignore instead of #scratch for %g7 .register directive.
6805 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6807 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6810 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6812 * flow.c (calculate_global_regs_live): Assert that there aren't any
6815 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6817 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6819 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6820 bsi_after_labels iterator.
6821 * tree-if-conv.c (find_phi_replacement_condition,
6822 replace_phi_with_cond_modify_expr): Likewise.
6823 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6824 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6826 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6828 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6830 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6833 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6834 array after growing it.
6836 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6839 * fold-const.c (fold_checksum_tree): Change type of buf.
6841 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6843 * reload.c (push_secondary_reload): Initialize t_icode.
6845 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6847 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6848 -msoft-float -mlong-double-128 only issue a warning, but don't
6849 swich to DFmode long double.
6851 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6853 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6854 has a constant equivalent, iterate over equivalents for arg0,
6855 calling simplify_relational_operation and if there's a result
6856 cheaper than X, apply fold_rtx and return the result.
6858 2006-02-01 Jan Hubicka <jh@suse.cz>
6860 * opts.c (no_unit_at_a_time_default): New global variable.
6861 (decode_options): Use it.
6862 * opts.h (no_unit_at_a_time_default): Declare.
6864 2006-02-01 Paul Brook <paul@codesourcery.com>
6866 * function.c (assign_parm_setup_reg): Use function argument promotion
6868 * expr.c (expand_expr_real_1): Use function argument promotion rules
6871 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6873 * gcc.c (process_command): Change j to 'unsigned int'.
6875 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6878 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6879 Use the corrected index for the character
6880 out of the string constant.
6882 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6884 * mode-switching.c (optimize_mode_switching): Fix size
6885 allocated for bb_info[n_entities].
6887 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6889 * gcc.c (main): Correct type that is allocated for
6890 explicit_link_files.
6892 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6894 * config/s390/s390.c (init_alignment_context): Set
6895 ALIAS_SET_MEMORY_BARRIER on the MEM.
6896 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6898 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6901 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6903 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6906 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6908 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6909 * regrename.c: Ditto.
6910 * tree-ssa-loop-im.c: Ditto.
6911 * tree-dump.c: Ditto.
6912 * tree-complex.c: Ditto.
6913 * genrecog.c: Ditto.
6914 * tree-ssa-threadupdate.c: Ditto.
6916 * java/class.c: Ditto.
6917 * java/jcf-parse.c: Ditto.
6918 * java/resource.c: Ditto.
6919 * java/except.c: Ditto.
6920 * java/jvspec.c: Ditto.
6921 * java/jcf-write.c: Ditto.
6922 * java/jcf-path.c: Ditto.
6923 * java/gjavah.c: Ditto.
6924 * java/zextract.c: Ditto.
6925 * java/jcf-io.c: Ditto.
6926 * java/jcf.h: Ditto.
6927 * java/buffer.c: Ditto.
6928 * java/lang.c: Ditto.
6929 * java/parse-scan.y: Ditto.
6930 * java/lex.c: Ditto.
6931 * java/lex.h: Ditto.
6932 * cfgloopmanip.c: Ditto.
6933 * postreload-gcse.c: Ditto.
6934 * tree-ssa-loop-manip.c: Ditto.
6935 * postreload.c: Ditto.
6936 * tree-ssa-loop-ch.c: Ditto.
6940 * diagnostic.c: Ditto.
6942 * genoutput.c: Ditto.
6944 * cfghooks.c: Ditto.
6945 * cfgloopanal.c: Ditto.
6946 * objc/objc-act.c: Ditto.
6948 * genextract.c: Ditto.
6949 * genautomata.c: Ditto.
6950 * pretty-print.c: Ditto.
6952 * cgraphunit.c: Ditto.
6955 * haifa-sched.c: Ditto.
6956 * dominance.c: Ditto.
6958 * tree-ssa-loop-ivopts.c: Ditto.
6960 * mode-switching.c: Ditto.
6961 * modulo-sched.c: Ditto.
6963 * ipa-pure-const.c: Ditto.
6965 * fix-header.c: Ditto.
6967 * tree-stdarg.c: Ditto.
6968 * ipa-utils.c: Ditto.
6969 * loop-init.c: Ditto.
6970 * ipa-inline.c: Ditto.
6973 * alloc-pool.c: Ditto.
6974 * dwarf2out.c: Ditto.
6976 * genattrtab.c: Ditto.
6977 * tree-ssa-loop-ivcanon.c: Ditto.
6981 * fortran/gfortranspec.c: Ditto.
6983 * local-alloc.c: Ditto.
6984 * langhooks.c: Ditto.
6985 * function.c: Ditto.
6986 * tree-vectorizer.c: Ditto.
6988 * ipa-type-escape.c: Ditto.
6990 * tree-if-conv.c: Ditto.
6993 * tree-data-ref.c: Ditto.
6994 * loop-unroll.c: Ditto.
6995 * treelang/treetree.c: Ditto.
6998 * ggc-common.c: Ditto.
7000 * coverage.c: Ditto.
7002 * tree-cfgcleanup.c: Ditto.
7003 * tree-ssa-pre.c: Ditto.
7004 * cfgcleanup.c: Ditto.
7005 * loop-invariant.c: Ditto.
7007 * ipa-prop.c: Ditto.
7008 * print-tree.c: Ditto.
7009 * conflict.c: Ditto.
7010 * ggc-page.c: Ditto.
7011 * sched-deps.c: Ditto.
7012 * regclass.c: Ditto.
7013 * tree-object-size.c: Ditto.
7015 * bb-reorder.c: Ditto.
7016 * resource.c: Ditto.
7017 * var-tracking.c: Ditto.
7019 * df-problems.c: Ditto.
7020 * reg-stack.c: Ditto.
7023 * sched-rgn.c: Ditto.
7024 * tree-ssa-structalias.c: Ditto.
7025 * tree-ssa-reassoc.c: Ditto.
7026 * config/darwin-c.c: Ditto.
7027 * config/darwin.c: Ditto.
7028 * config/arm/arm.c: Ditto.
7030 * collect2.c: Ditto.
7033 2006-01-31 Nicolas Pitre <nico@cam.org>
7035 * arm.md (smaxsi3): Make aware of smax_m1.
7038 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7040 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7042 2006-01-31 Richard Guenther <rguenther@suse.de>
7044 * doc/invoke.texi (-msselibm): Document.
7045 * target.h (expand_library_builtin): New target hook.
7046 * builtins.c (expand_builtin): Use expand_library_builtin.
7047 (default_expand_library_builtin): New function.
7048 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7049 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7050 (link_gcc_math_spec): Declare.
7051 (static_specs): Add link_gcc_math_spec.
7052 * expr.h (default_expand_library_builtin): Declare.
7053 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7054 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7055 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7056 * config/i386/i386.opt (msselibm): New target option.
7057 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7058 (ix86_init_sse_abi_builtins): New function.
7059 (ix86_expand_library_builtin): Likewise.
7060 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7061 (override_options): Handle error conditions wrt -msselibm.
7062 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7063 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7064 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7067 2006-01-31 Richard Guenther <rguenther@suse.de>
7068 Paolo Bonzini <bonzini@gnu.org>
7070 * doc/install.texi (--disable-libgcc-math): Document.
7072 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7074 * expr.h (expand_normal): new inline function.
7075 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7077 * dwarf2out.c: use it.
7082 * config/sparc/sparc.c: use it.
7083 * config/i386/i386.c: use it.
7084 * config/rs6000/rs6000.c: use it.
7085 * config/arm/arm.c: use it.
7086 * config/mips/mips.c: use it.
7087 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7089 2006-01-30 Roger Sayle <roger@eyesopen.com>
7091 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7092 argv to the appropriate type.
7094 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7096 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7099 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7102 * config/s390/s390.c (struct machine_function): New flag
7103 decomposed_literal_pool_addresses_ok_p.
7104 (s390_reorg): Set it before final stage of literal pool transforms.
7105 (s390_decompose_address): Only accept displacements of the form
7106 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7108 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7110 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7111 the comparison routine return.
7113 2006-01-30 Michael Matz <matz@suse.de>
7115 * global.c (find_reg): Only evict for global regs.
7116 Take n_refs into account and dump more info.
7118 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7121 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7122 (pragma_trap, pragma_nosave_low_regs): Likewise.
7123 (current_function_anonymous_args): Likewise.
7124 (sh_deferred_function_attributes): New variable.
7125 (sh_deferred_function_attributes_tail): Likewise.
7126 (print_operand): For '@', look up trap_exit attribute.
7127 (calc_live_regs): Look up trapa_handler attribute. For trapa
7128 handlers, save/restore fpscr, but don't do any other
7129 interrupt-specific saves.
7130 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7131 Fix check for partially saved registers to check for SHmedia.
7132 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7133 (sh_output_function_epilogue): Don't clear any of the removed
7135 (sh_insert_attributes): Don't check pragma_interrupt.
7136 Insert deferred attributes. Check that interrupt attribute is
7137 present for other attributes that require its presence.
7138 (sh_attribute_table): Add new attributes trapa_handler and
7140 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7141 Don't check for pragma_interrupt. Don't store argument.
7142 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7143 (sh_deferred_function_attributes): Declare.
7144 (sh_deferred_function_attributes_tail): Likewise.
7145 * sh.md (sp_switch_1): Add operand. Change generator caller.
7146 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7147 (*return_i): Don't use when trap_exit attribute is in effect.
7148 (*return_trapa): New insn pattern.
7150 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7151 setting c_target_objs and cxx_target_objs.
7152 * t-sh: Add rule for sh-c.o.
7154 2006-01-30 Richard Guenther <rguenther@suse.de>
7157 * gimplify.c (gimplify_target_expr): Handle easy cases
7158 without creating a temporary.
7160 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7162 * vec.h (safe_grow): Remove duplicated line.
7164 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7167 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7168 (expand_omp): ... here.
7169 (expand_omp_parallel): Only remove barriers for combined
7170 parallel+workshare constructs.
7172 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7176 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7177 * tree.c (build_qualified_type): Chain the new type to the original
7178 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7179 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7180 (build_pointer_type_for_mode): Only return unqualified types.
7181 (build_reference_type_for_mode): Likewise.
7183 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7185 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7186 * Makefile.in (CXX_COMPAT_WARN): Define.
7187 * configure: Regenerate.
7189 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7192 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7195 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7197 * toplev.c: Fix thinko.
7199 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7200 Marcin Dalecki <martin@dalecki.de>
7202 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7203 (push_srcloc): Use XNEW.
7204 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7206 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7208 * df-core.c (df_set_blocks): Deleted all variable.
7210 2006-01-28 Ian Lance Taylor <ian@airs.com>
7212 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7213 cgraph_output_pending_asms.
7215 2006-01-28 Zack Weinberg <zackw@panix.com>
7217 * c.opt: Add -W(no-)overlength-strings.
7218 * doc/invoke.texi: Document it.
7219 * c-opts.c (c_common_handle_option): -pedantic implies
7220 -Woverlength-strings, if not explicitly disabled already.
7221 (c_common_post_options): -Woverlength-strings defaults to off, and
7222 is always off for C++.
7223 * c-common.c (fix_string_type): Issue warning about strings longer
7224 than is portable only if warn_overlength_strings. Rearrange code
7225 a little for clarity.
7226 * configure.in: Check for -Wno-overlength-strings as well before
7227 enabling -pedantic in stage 1.
7228 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7229 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7231 * genconditions.c (write_header, write_one_condition)
7232 (write_conditions, write_writer): Consolidate very long strings
7233 that were broken up to fit in C89 portable limit. Don't use
7234 printf when fputs will do.
7236 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7238 * combine.c (simplify_comparison <AND>): Check
7239 TRULY_NOOP_TRUNCATION before start using a subreg.
7241 * config/mips/mips.md (*branch_zero<mode>,
7242 *branch_zero<mode>_inverted, *branch_equality<mode>,
7243 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7244 Remove mode check from comparisons.
7246 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7248 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7250 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7252 * expmed.c (const_mult_add_overflow_p): Remove.
7253 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7255 * recog.c (validate_replace_rtx_subexp): Remove.
7256 * recog.h: Remove the prototype for
7257 validate_replace_rtx_subexp.
7259 * integrate.h: Remove the prototype for
7260 copy_decl_for_inlining.
7261 * rtl.h: Remove the prototype for mark_constant_function.
7262 * tree-vectorizer.h: Remove the prototype for
7263 vect_strip_conversion.
7265 * modulo-sched.c (create_partial_schedule,
7266 free_partial_schedule, reset_partial_schedule): Make them
7269 * hooks.c (hook_bool_rtx_int_false): Remove.
7270 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7272 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7274 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7275 and -mlong-double-128 are incompatible.
7276 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7277 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7278 (TARGET_LIBGCC2_CFLAGS): Define.
7279 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7280 (TARGET_LIBGCC2_CFLAGS): Same.
7281 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7283 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7286 * c-typeck.c (build_binary_op): Perform implicit casts of
7287 operands before shortening them.
7289 * cfgloopmanip.c (split_loop_bb): Remove.
7290 * cfgloop.h: Remove the prototype for split_loop_bb.
7292 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7293 * cfgloop.h: Remove the prototype for
7294 flow_loop_outside_edge_p.
7296 * emit-rtl.c (init_virtual_regs): Make it static.
7297 * function.h: Remove the prototype for init_virtual_regs.
7299 * recog.c (peephole2_optimize): Make it static.
7300 * recog.h: Remove the prototype for peephole2_optimize.
7302 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7304 * df-scan.c (df_record_entry_block_defs): Check if
7305 INCOMING_RETURN_ADDR_RTX is defined.
7307 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7308 Kenneth Zadeck <zadeck@naturalbridge.com>
7310 PR rtl-optimization/24762
7311 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7312 * targhooks.c (hook_void_bitmap): New hook prototype.
7313 * targhoohs.h (hook_void_bitmap): Ditto.
7314 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7315 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7316 * target.h (live_on_entry): New function pointer.
7317 * df-scan.c (df_all_hard_regs): Removed.
7318 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7319 (df_scan_free_internal): Added df->entry_block_defs.
7320 (df_scan_alloc): Ditto.
7321 (df_scan_dump): Ditto.
7322 (df_uses_record): Plumbed flag field properly thru calls.
7323 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7324 This part fixes PR24762.
7325 (df_bb_refs_record): Added code to make the frame and arg
7326 pointers live in EH blocks.
7327 (df_refs_record): Added call to df_record_entry_block_defs.
7328 (df_record_entry_block_defs): New function.
7329 * df-core.c: Added comments to describe new artifical defs.
7330 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7331 (entry_block_defs): New field in struct df.
7332 (df_all_hard_regs): Deleted.
7333 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7334 * df-problems.c (df_ru_bb_local_compute_process_def):
7335 Added code to handle artifical defs in the entry to a function.
7336 (df_ru_bb_local_compute): Ditto.
7337 (df_rd_bb_local_compute_process_def): Ditto.
7338 (df_rd_bb_local_compute): Ditto.
7339 (df_lr_bb_local_compute): Ditto.
7340 (df_ur_bb_local_compute): Ditto.
7341 (df_urec_bb_local_compute): Ditto.
7342 (df_chain_create_bb): Ditto.
7343 (df_ur_local_finalize): Removed entry.
7344 (df_urec_init): Ditto.
7345 (df_urec_local_finalize): Ditto.
7346 (df_ri_bb_compute): Added detection of last use of pseudos.
7347 * Makefile.in (df-scan.o): Updated dependencies.
7348 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7349 * config/mips/mips.c (mips_set_live_on_entry): Added.
7350 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7352 * dce.c (marked_insn_p): Added code to handle artifical defs.
7354 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7356 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7358 (_mm_cvtsi128_si64): Likewise.
7359 (_mm_cvtsd_si64): Likewise.
7360 (_mm_cvttsd_si64): Likewise.
7361 (_mm_cvtsi64_sd): Likewise.
7362 (_mm_cvtsi64_si128): Likewise.
7363 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7364 (_mm_cvtsi64_m64): Likewise.
7365 (_m_to_int64): Likewise.
7366 (_mm_cvtm64_si64): Likewise.
7367 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7368 (_mm_cvttss_si64): Likewise.
7369 (_mm_cvtsi64_ss): Likewise.
7370 (_mm_cvtss_f32): Likewise.
7372 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7374 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7375 for pragma redefine_extname.
7377 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7380 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7381 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7382 -mno-minimal-toc to previous content.
7383 (bispecs): Remove goal.
7384 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7385 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7386 compatibility aliases on powerpc-*-*gnu*.
7387 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7388 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7389 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7390 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7391 (ldblspecs): New goal.
7392 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7393 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7395 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7396 L_sf_to_tf or L_df_to_tf is defined.
7398 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7399 Alan Modra <amodra@bigpond.net.au>
7402 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7403 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7404 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7405 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7406 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7407 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7408 (rs6000_override_options): Initialize rs6000_ieeequad.
7409 Initialize TFmode format to ibm_extended_format if not
7411 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7413 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7414 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7415 (function_arg_advance): IBM long double passed in two FPRs, not
7417 (function_arg): IBM long double passed in FPRs.
7418 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7419 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7420 Only multireg GPR aligned.
7421 (rs6000_init_libfuncs): Enable IBM long double functions if not
7423 (rs6000_generate_compare): Use IBM long double compare if not
7425 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7426 (TARGET_IEEEQUAD): Define.
7427 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7428 not TARGET_IEEEQUAD.
7429 * config/rs6000/rs6000.md: Enable TFmode patterns if
7431 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7432 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7433 and -mlong-double-128 are incompatible.
7434 * doc/invoke.texi (-mabi): Collect options together. Add
7435 ibmlongdouble and ieeelongdouble.
7437 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7439 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7441 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7442 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7443 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7444 * rtl.h (rtunion_def): Remove rt_ptr.
7446 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7447 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7448 * config/i386/winnt.c (i386_pe_mark_dllexport)
7449 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7451 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7453 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7455 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7459 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7460 pthread_key_delete. From John David Anglin. gthrw-ify
7461 pthread_getunique_np only if it it's not a macro. Delete
7463 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7464 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7465 __gthread_objc_condition_signal, __gthread_key_delete): Add
7466 "__attribute__ ((__unused__))" to unused arguments.
7467 (__gthread_recursive_mutex_init_function): Add missing return.
7468 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7469 gthr-posix95.h: Use macro-based approach for name redirection
7470 on targets missing weakref.
7472 2006-01-26 Zack Weinberg <zackw@panix.com>
7474 * genconditions.c (write_header): In generated code, #ifdef out
7475 all includes and fake declarations, except includes of bconfig.h
7476 and system.h, unless GCC_VERSION >= 3001. Do not include
7477 gensupport.h in any case.
7478 (write_conditions): Generate a definition of struct c_test. Add
7479 a comment to the generated #endif.
7480 (write_one_condition): Escape backslashes in string too.
7481 (write_writer): Generated code must escape backslashes and quote
7482 marks (but not newlines) in the strings it writes.
7483 * Makefile.in (build/gencondmd.o): Update dependencies.
7485 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7488 * Makefile.in (insn-automata.o): Add header file dependencies.
7489 * genautomata.c: Add includes.
7491 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7494 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7496 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7498 * configure.ac: Expect target tools paths to be passed from the toplevel
7499 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7501 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7503 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7506 * c.opt (Wpointer-sign): Init to -1.
7507 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7508 OPT_pedantic, to 0 otherwise.
7509 * doc/invoke.texi: Update.
7511 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7513 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7514 constants provided by 80387 instructions in the destination mode.
7516 2006-01-26 Richard Guenther <rguenther@suse.de>
7517 Andrew Pinski <pinskia@physics.uc.edu>
7520 partial PR tree-opt/17064
7521 * tree-ssa-structalias.c (intra_create_variable_infos):
7522 Create heap variables for incoming parameters if
7523 flag_argument_noalias > 1.
7524 (find_what_p_points_to): Look through default defs of
7527 2006-01-26 Jeff Law <law@redhat.com>
7530 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7531 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7532 within the VR_RANGE, use the VR_RANGE as the result, not the
7534 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7535 bounds for the type.
7537 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7539 * tree-ssa-alias.c (maybe_create_global_var): Change
7540 subvar walking to an assertion that we don't have subvar'd variables.
7542 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7545 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7546 Use a new variable, inner. PARM_DECLs are always non-weak.
7548 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7550 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7553 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7555 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7557 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7559 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7560 (smax_insn, smin_insn, smax_0, smin_0): New.
7562 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7565 * config/cris/cris.c (cris_order_for_addsi3): New function.
7566 * config/cris/cris-protos.h: Prototype it.
7567 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7568 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7569 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7570 (split for "op.S1 [rx=rx+i],ry (swapped)")
7571 (split for "op(s|u).S1 [rx=rx+i],ry")
7572 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7573 Apply cris_order_for_addsi3 when generating addsi3 insns.
7575 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7577 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7578 (TREE_BLOCK): Add call to EXPR_CHECK.
7580 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7583 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7584 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7585 (dump_omp_clauses): ... here.
7586 (dump_generic_node): Handle OMP_CLAUSE.
7587 * tree.c (omp_clause_num_ops): New.
7588 (omp_clause_code_name): New.
7589 (tree_code_size): Handle OMP_CLAUSE.
7590 (tree_size): Likewise.
7591 (make_node): Document handling of OMP_CLAUSE.
7592 (tree_node_structure): Handle OMP_CLAUSE.
7593 (omp_clause_check_failed): New.
7594 (omp_clause_range_check_failed): New.
7595 (omp_clause_operand_check_failed): New.
7596 (build_omp_clause): New.
7597 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7598 * tree.h (enum omp_clause_code): Declare.
7599 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7600 (OMP_CLAUSE_RANGE_CHECK): Define.
7601 (OMP_CLAUSE_ELT_CHECK): Define.
7602 (omp_clause_check_failed): Declare.
7603 (omp_clause_operand_check_failed): Declare.
7604 (omp_clause_range_check_failed): Declare.
7605 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7606 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7607 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7608 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7609 (OMP_CLAUSE_IF_EXPR): Likewise.
7610 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7611 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7612 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7613 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7614 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7615 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7616 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7617 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7618 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7619 (OMP_CLAUSE_CODE): Define.
7620 (OMP_CLAUSE_SET_CODE): Define.
7621 (OMP_CLAUSE_CODE): Define.
7622 (OMP_CLAUSE_OPERAND): Define.
7623 (struct tree_omp_clause): Declare.
7624 (union tree_node): Add field 'omp_clause'.
7625 * treestruct.def (TS_OMP_CLAUSE): Define.
7626 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7627 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7628 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7629 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7630 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7631 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7632 (OMP_CLAUSE): Define.
7633 * print-tree.c (print_node): Handle OMP_CLAUSE.
7634 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7635 * c-typeck.c: Likewise.
7636 * gimplify.c: Likewise.
7637 * c-omp.c: Likewise.
7638 * tree-nested.c: Likewise.
7639 * tree-inline.c: Likewise.
7640 * c-parser.c: Likewise.
7641 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7644 2006-01-25 Roger Sayle <roger@eyesopen.com>
7646 PR rtl-optimization/25703
7647 * combine.c (try_combine): Handle zero_extract and strict_low_part
7648 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7650 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7652 * global.c: Fix comment typos.
7654 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7657 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7658 Use output_addr_const instead of assemble_name.
7660 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7662 * Makefile.in (sched-vis.o): Update dependencies.
7663 * haifa-sched.c (sched_finish): Clear current_sched_info.
7664 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7665 (dump_flow_info): Call it.
7666 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7668 * basic-block.h (dump_bb_info): Declare.
7669 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7670 option, and apply options only for dump files whose TDF_RTL,
7671 TDF_TREE, or TDF_IPA bits match.
7672 * rtl.h: Declare new functions exported from sched-vis.c.
7673 * sched-vis.c: Enable also if scheduling is not used.
7674 (print_value): Print the mode of registers if not inside scheduling.
7675 (print_insn): Make it work outside the scheduler. Beautify the output
7677 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7679 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7681 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7682 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7683 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7684 depending on the value of CONSTANT_POOL_ADDRESS_P.
7685 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7687 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7688 rather than SYMBOL_REF_DECL.
7689 (rtx_constant_pool): Remove const_rtx_sym_htab.
7690 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7691 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7692 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7693 Remove handling of const_rtx_sym_htab.
7694 (find_pool_constant): Delete.
7695 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7696 rather than find_pool_constant.
7697 (get_pool_constant_for_function): Delete.
7698 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7700 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7701 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7702 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7703 (SYMBOL_REF_CONSTANT): New macro.
7704 (get_pool_constant_for_function): Delete.
7705 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7706 rather than SYMBOL_REF_DECL.
7707 (i386_pe_mark_dllimport): Likewise.
7708 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7709 rather than SYMBOL_REF_DECL.
7710 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7711 (machopic_indirect_call_target): Likewise.
7713 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7715 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7717 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7719 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7721 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7723 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7725 2006-01-24 David Daney <ddaney@avtrex.com>
7728 * configure.ac (enable_tls): New enable option.
7729 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7730 * configure: Regenerate.
7731 * doc/install.texi (--enable-tls): Document new option.
7732 (--disable-tls): Ditto.
7734 2006-01-24 Richard Henderson <rth@redehat.com>
7736 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7737 * alias.c (true_dependence): Respect it.
7738 (canon_true_dependence, write_dependence_p): Likewise.
7739 * builtins.c (get_builtin_sync_mem): Set it.
7741 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7743 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7746 2006-01-24 DJ Delorie <dj@redhat.com>
7748 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7749 for storing constants in single-bit bitfields.
7751 2006-01-25 Ben Elliston <bje@au.ibm.com>
7753 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7755 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7758 * tree-ssa-pre.c (phi_translate): Return NULL
7759 for AGGREGATE_TYPE's.
7761 2006-01-24 Zack Weinberg <zackw@panix.com>
7763 * genautomata.c (process_state_for_insn_equiv_partition):
7764 Use xcalloc for insn_arcs_array.
7765 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7766 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7768 2006-01-24 Richard Henderson <rth@redhat.com>
7770 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7773 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7775 PR rtl-optimization/25890
7776 PR rtl-optimization/25905
7777 * combine.c (expand_compound_operation, expand_field_assignment):
7778 Fail if the bitfield's final position is out of bounds.
7780 2006-01-24 Ian Lance Taylor <ian@airs.com>
7783 * cgraphunit.c (cgraph_output_in_order): Don't clear
7784 cgraph_asm_nodes until after asm strings have been output.
7786 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7788 * fix-header.c (read_scan_file): Add new parameter imultilib when
7789 calling register_include_chains.
7791 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7793 * omp-low.c: Update documentation.
7795 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7796 Daniel Berlin <dberlin@dberlin.org>
7800 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7801 return from the function.
7803 2006-01-22 Zack Weinberg <zackw@panix.com>
7805 * rtl.def (match_code): Add second argument.
7806 * genpreds.c (write_extract_subexp): New function.
7807 (write_match_code): Add path argument. Use write_extract_subexp.
7808 (write_predicate_expr): Pass path to write_match_code.
7809 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7810 not perform a mode test.
7811 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7812 a subexpression does not constrain the top-level code set.
7813 * read-rtl.c (read_rtx_variadic): New function.
7814 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7815 * doc/md.texi: Document new notation.
7816 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7817 (cmpsi_operand): ... here, using new notation.
7819 2006-01-22 Zack Weinberg <zackw@panix.com>
7821 * varray.c: Remove GENERATOR_FILE #ifdefs.
7823 2006-01-22 Zack Weinberg <zackw@panix.com>
7825 * genautomata.c (output_reserved_units_table): Emit nothing if
7826 description->query_units_num is zero. Remove extra blank line.
7827 (output_cpu_unit_reservation_p): Short circuit
7828 if description->query_units_num is zero.
7830 2006-01-22 Zack Weinberg <zackw@panix.com>
7832 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7833 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7834 nor any of the random handful of variables that used to be necessary
7835 when this program was linked with rtlanal.o. Prune set of forward
7836 function declarations.
7837 (struct attr_desc): Remove static_p field.
7838 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7839 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7840 (attr_string): Do not read the character one past the length of
7842 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7843 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7844 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7845 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7846 (make_automaton_attrs): New.
7847 (main): Do not call into genautomata. Call local gen_bypass
7848 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7849 Remove special case for insn_alts.
7850 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7851 varray.h (leftover from previous change). Prune set of forward
7852 function declarations. Remove state_alts fields from all
7853 structures. Remove state_alts_table from struct automaton.
7854 Make everything except main static. Do not maintain num_dfa_decls.
7855 Do not maintain state_alts fields of various structures.
7856 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7857 (add_arc): Remove state_alts argument. All callers updated.
7858 (output_reserved_units_table): Emit #ifdef here...
7859 (output_tables): ...not here. Don't generate state_alts tables.
7860 (expand_automata): Don't generate attributes.
7861 (write_automata): Don't generate state_alts functions.
7862 (main): New function.
7863 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7864 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7865 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7866 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7867 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7868 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7869 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7870 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7872 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7873 * genattrtab.h: Delete file.
7874 * Makefile.in (OBJS-common): Add insn-automata.o.
7875 (insn-automata.o): New rule.
7876 (simple_generated_c): Add insn-automata.c.
7877 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7878 (genprogmd): Add automata.
7879 (build/genattrtab): Needs no extra objects nor libraries.
7880 (build/genautomata): Needs build/vec.o and -lm.
7882 2006-01-22 Zack Weinberg <zackw@panix.com>
7884 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7885 (output_dfa_max_issue_rate, locked_states_num): Delete.
7886 (struct automaton): Add locked_states field.
7887 (output_dead_lock_vect): Save number of locked states in
7888 automaton->locked_states. If it is zero, don't print anything.
7889 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7890 (output_internal_dead_lock_func): Only test the dead_lock_vect
7891 for automata that have locked states.
7892 (output_statistics): Always print the number of locked states for
7893 each automaton. Calculate total number of locked states here.
7894 (write_automata): Don't call output_dfa_max_issue_rate.
7895 * genattrtab.c: Define length_unit_log as a const variable.
7896 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7897 max_insn_queue_index const.
7898 * final.c (length_unit_log): Declare const.
7899 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7901 2006-01-22 Zack Weinberg <zackw@panix.com>
7903 * genautomata.c: Include vec.h, not varray.h.
7904 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7905 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7906 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7907 VEC_* macros operating on appropriately typed vectors, or to
7908 malloced arrays when the size is known in advance. Const-ify
7909 many char* variables and function arguments. No functional changes.
7910 * Makefile.in (build/varray.o): Delete rule.
7911 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7912 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7914 2006-01-22 Zack Weinberg <zackw@panix.com>
7916 * gensupport.c: Define get_insn_name and record_insn_name here.
7917 (read_md_rtx): Call record_insn_name as appropriate.
7918 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7919 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7920 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7922 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7923 (BUILD_VARRAY): Delete.
7924 (genprognormal): Rename genprogmd. Fold in all programs from
7925 genprognoprint; also attrtab.
7926 (build/genattrtab): Just mention genautomata.o and varray.o.
7927 Reorganize a bit, add comments to make the categories clearer.
7929 2006-01-22 Zack Weinberg <zackw@panix.com>
7931 * genconditions.c (condition_table, add_condition): Delete.
7932 (write_conditions): Don't emit n_insn_conditions nor
7933 insn_elision_unavailable. Issue the gcc version #ifdef here,
7934 inside the table, with no #else clause ...
7935 (write_header): ...not here.
7936 (write_writer): New function.
7937 (main): Don't initialize condition_table. Use add_c_test.
7939 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7940 files on the command line.
7941 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7942 Return -1 if there is no entry in the table, don't abort.
7943 (add_c_test, traverse_c_tests): New functions.
7944 * gensupport.h (insn_elision_unavailable, insn_conditions)
7945 (n_insn_conditions): Delete declarations.
7946 (add_c_test, traverse_c_tests): Declare.
7947 * read-rtl.c: Include gensupport.h.
7948 (read_conditions): New function.
7949 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7950 (read_rtx_1): If we get EOF when we were looking for an initial
7951 open paren, return 0. Call read_conditions when appropriate.
7952 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7953 dummy-conditions.o. Eliminate references to insn-conditions.o,
7954 or change them to build/gencondmd.o, as appropriate. Remove
7955 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7956 from $(simple_generated_c). For all files remaining in those
7957 two lists, add insn-conditions.md to the generator command line.
7958 Give insn-constants.h/s-constants their own rules. Add rules
7959 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7960 (build/read-rtl.o): Depend on gensupport.h.
7961 (genprognormal): Include preds.
7962 (genprogearly): Rename genprognoprint; only difference is now that
7963 they don't link with $(BUILD_PRINT).
7964 * dummy-conditions.c: Delete.
7966 2006-01-22 Zack Weinberg <zackw@panix.com>
7968 * genextract.c: Don't include insn-config.h. Do include vec.h.
7969 Declare vectors of int, char, and locstr.
7970 (locstr): New typedef.
7971 (struct extraction): Make all array fields into bare pointers.
7972 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7973 (insn_code_number): Delete.
7974 (accum_extract): New struct.
7975 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7976 (gen_insn): Take insn_code_number as an argument. Use an
7977 accum_extract structure instead of loading data directly into
7978 a struct extraction, and having to know how big it might get.
7979 (walk_rtx): Operate entirely on an accum_extract structure.
7980 (print_path): Avoid unnecessary use of printf.
7981 (print_header): New function, split out of main. Distinguish
7982 more carefully between an unrecognizable insn and an insn that
7983 has the code number of a define_expand.
7984 (main): Pass insn_code_number to gen_insn. Call print_header
7985 only after parsing. Avoid unnecessary use of printf.
7986 * Makefile.in (build/vec.o): New rule.
7987 (build/genextract): Depend on build/vec.o.
7988 (build/genextract.o): Don't depend on insn-config.h.
7990 2006-01-22 Zack Weinberg <zackw@panix.com>
7992 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7993 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7994 practical. Eliminate per-generator-program link rules.
7996 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7999 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8000 with a call expr to ...
8001 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8003 2006-01-23 Richard Guenther <rguenther@suse.de>
8005 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8006 before make_edge with conditional EDGE_TRUE_VALUE.
8008 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8009 Jan Hubicka <jh@suse.cz>
8010 Richard Guenther <rguenther@suse.de>
8012 PR rtl-optimization/25654
8013 * cfgexpand.c (aggregate_contains_union_type): New function.
8014 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8015 for structure variables that contain a union type.
8017 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8019 * gengtype.c (new_structure): Return the structure.
8020 (create_option): Add an extra "next" argument.
8021 (create_field): New function.
8022 (adjust_field_rtx_def): Use create_option and create_field.
8023 Remove a now-unnecessary call to find_structure.
8024 (adjust_field_tree_def): Likewise.
8025 (note_yacc_type): Remove an unnecessary call to find_structure.
8026 * gengtype.h (new_structure): Return the structure.
8027 (create_option): Add an extra argument.
8028 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8029 (option): Adjust calls to create_option.
8031 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8033 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8035 2006-01-22 Paul Brook <paul@codesourcery.com>
8036 Peter Barada <peter@the-baradas.com>
8038 * config/m68k/m68k.md: Add Coldfire FPU support.
8039 Define FP mode macro and associated attributes.
8040 Use it for float mode patterns.
8041 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8042 (LIBCALL_VALUE): Use m68k_libcall_value.
8043 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8044 (m68k_function_value): Ditto.
8045 (emit_move_sequence): Ditto.
8046 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8047 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8048 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8049 (MULTILIB_EXCEPTIONS): Ditto.
8050 * config/m68k/m68k.opt: Add mcfv4e.
8051 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8052 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8053 (m68k_output_function_prologue): Save ColdFire FPU registers.
8054 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8055 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8056 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8057 ColdFire FPU registers.
8058 (m68k_libcall_value, m68k_function_value): New functions.
8059 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8060 (LIBCALL_VALUE): Use m68k_libcall_value.
8061 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8062 (MASK_COLDFIRE): Add MASK_CFV4E.
8063 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8064 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8065 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8066 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8067 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8068 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8069 * doc/invoke.tex: Document -mcfv4e on m68k.
8071 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8073 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8076 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8079 * c-opts.c (c_common_handle_option): Don't include
8080 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8081 * doc/invoke.texi (C++ Dialect Options): Document that
8082 -Wnon-virtual-dtor is no longer included in -Wall.
8084 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8086 * gcov.c (print_version), gcov-dump.c (print_version),
8087 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8090 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8092 * df-scan.c (problem_SCAN): Added NULL reset function.
8093 (df_scan_reset_blocks): Added code to call reset block function
8094 (df_bb_refs_delete) Fixed comment.
8095 (df_insn_refs_delete): Made tolerant of deleting non existent info
8096 for dataflow problems that need to be reset.
8097 * df-core.c (df_set_blocks): Ditto.
8098 * df.h (struct df_problem): Added reset_fun.
8099 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8100 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8101 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8102 functions to clear out all references to def-use or use-def chains.
8104 2006-01-21 Ben Elliston <bje@au.ibm.com>
8106 * varasm.c (assemble_real): Initialise data array.
8108 2006-01-20 Paul Brook <paul@codesourcery.com>
8110 Merge from csl-arm-branch.
8111 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8112 * config/arm/arm.md (movdi): Force operands[1] to a register
8113 if we have a non-register source.
8114 (*arm_movdi, *movdf_soft_insn): Require that one of the
8115 operands be a register.
8116 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8117 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8119 2006-01-20 DJ Delorie <dj@redhat.com>
8121 * varasm.c (initialize_constant_valid_p): Allow pointers
8122 initialized from integer constants of lesser precision.
8123 (output_constant): Allow non-int-sized pointer modes to be
8124 initialized from integer constants.
8126 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8129 * cppdefault.h (struct default_include): Add multilib flag.
8130 * cppdefault.c (cpp_include_defaults): Set it.
8131 * c.opt (-imultilib): New option.
8132 * c-opts.c (imultilib): New.
8133 (c_common_handle_option): Handle -imultilib.
8134 (c_common_post_options): Likewise.
8135 * c-incpath.c (add_standard_paths, register_include_chains):
8137 * c-incpath.h (register_include_chains): Add extra parameter.
8138 * gcc.c (do_spec_1): Generate -imultilib option.
8139 (The Specs Language): Update %I description.
8140 (process_command): Update copyright notice.
8141 * doc/cppopts.texi (-imultilib): Document.
8142 * doc/invoke.texi (-imultilib): Include in option summary.
8143 (%I): Update specs documentation.
8145 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8147 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8149 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8151 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8154 2006-01-20 Richard Guenther <rguenther@suse.de>
8155 Steven Bosscher <stevenb.gcc@gmail.com>
8157 PR rtl-optimization/24626
8158 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8159 EDGE_TRUE_VALUE if in RTL mode.
8162 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8163 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8165 2006-01-20 Dirk Mueller <dmueller@suse.com>
8168 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8169 instead of a special NOP marker.
8170 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8171 NOP marker handling.
8172 * c-common.h (empty_body_warning): Add forward declaration.
8173 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8174 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8176 2006-01-20 Paul Brook <paul@codesourcery.com>
8178 * Makefile.in (lang_checks): Keep going if mkdir fails.
8180 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8182 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8183 be able to clean out basic block when not necessary.
8184 (df_scan_free): Fixed to properly delete information if df is
8185 unused before calling df_finish.
8186 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8187 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8189 (df_bb_refs_delete): New function.
8190 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8191 * df-core.c (df_set_blocks): Added code to properly clean out
8192 unused blocks if they are not part of the blocks to consider.
8193 Added additional null check.
8194 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8195 be able to clean out basic block when not necessary
8196 * df.h (df_free_bb_function): Ditto.
8197 (df_bb_refs_delete): New function.
8198 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8199 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8200 basic block parameter to be able to clean out basic block when not
8202 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8203 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8204 Fixed to properly delete information if df is unused before
8207 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8209 PR rtl-optimization/25799
8210 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8211 Corrected confluence operator to remove bits from op2 before oring
8212 with op1 rather than removing bits from op1.
8213 (df_ru_transfer_function): Corrected test on wrong bitmap which
8214 caused infinite loop. Both of these problems were introduced in
8215 the dataflow rewrite.
8217 2006-01-19 DJ Delorie <dj@redhat.com>
8219 * reload1.c (find_reload_regs): Note the details of reload
8220 failures in the dump file.
8221 (spill_failure): Likewise.
8223 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8225 * loop-iv.c: Include df.h and hashtab.h.
8226 (enum iv_grd_result): New enum.
8227 (DF_REF_IV, DF_REF_IV_SET): New macros.
8228 (struct biv_entry): New.
8229 (df, bivs): New global variables.
8230 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8231 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8233 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8234 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8235 analyzed_for_bivness_p, record_biv): New functions.
8236 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8237 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8238 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8240 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8242 (iv_number_of_iterations): Use new interface to iv analysis.
8243 * loop-unroll.c: Do not include varray.h.
8244 (analyze_iv_to_split_insn): Use new interface to iv
8246 * loop-unswitch.c (may_unswitch_on): Ditto.
8247 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8249 (df_bb_modify): Realloc tables to the new index.
8250 (df_find_use): New function.
8251 * df.h (df_find_use): Declare.
8252 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8254 * cfgloop.h (struct rtx_iv): Remove analysed field.
8255 (iv_get_reaching_def): Removed.
8256 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8257 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8258 (loop-iv.o): Add df.h and hashtab.h dependency.
8259 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8261 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8264 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8266 (__floatundisf, __floatundidf): Likewise.
8267 * libgcc2.h (IS_IBM_EXTENDED): Define.
8269 2006-01-19 DJ Delorie <dj@redhat.com>
8271 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8273 2006-01-19 Paul Brook <paul@codesourcery.com>
8275 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8276 as nothrow when unwinding tables are disabled.
8278 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8281 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8282 of bit-field" when in system header.
8284 2006-01-19 DJ Delorie <dj@redhat.com>
8286 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8287 the 16 bit shift limit of the m16c.
8289 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8292 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8293 * config/i386/i386.c (output_set_got): Output the label if we have one
8294 for the TARGET_DEEP_BRANCH_PREDICTION case.
8296 2006-01-19 Jan Hubicka <jh@suse.cz>
8297 H.J. Lu <hongjiu.lu@intel.com>
8298 Evandro Menezes <evandro.menezes@amd.com>
8300 * invoke.texi (generic): Document
8302 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8303 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8304 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8305 (x86_use_incdec, x86_pad_returns): New variables
8306 (TARGET_CPU_DEFAULT_generic): New constant
8307 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8308 (enum processor_type): Add generic32 and generic64.
8309 * i386.md (cpu attribute): Add generic32/generic64
8310 (movhi splitter): Behave sanely when both partial_reg_dependency and
8311 partial_reg_stall are set.
8312 (K8 splitters): Enable for generic as well.
8313 * predicates.md (incdec_operand): Use TARGET_INCDEC
8314 (aligned_operand): Avoid memory mismatch stalls.
8315 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8316 * ppro.md: Enable for generic32
8317 * i386.c (generic64_cost, generic32_cost): New.
8318 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8319 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8320 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8321 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8322 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8323 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8324 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8325 x86_accumulate_outgoing_args, x86_prologue_using_move,
8326 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8327 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8329 (x86_use_incdec, x86_pad_returns): New.
8330 (override_options): Add generic32 and generic64, translate "generic"
8331 to generic32/generic64 and "i686" to "generic32", refuse
8332 "generic32"/"generic64" as arch target.
8333 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8334 (ix86_reorg): Honor PAD_RETURNS.
8336 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8338 * tree-pretty-print.c (dump_generic_node): Handle
8339 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8340 * cgraph.c (cgraph_expand_queue): Rename from
8341 cgraph_analyze_queue. Update all users.
8342 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8343 cgraph_expand_queue.
8344 (cgraph_expand_all_functions): Likewise.
8345 (cgraph_finalize_pending_functions): Remove. Update callers.
8347 * tree.h (OMP_DIRECTIVE_P): Define.
8348 (OMP_PARALLEL_FN): Define.
8349 (OMP_PARALLEL_DATA_ARG): Define.
8350 (OMP_SECTIONS_SECTIONS): Define.
8351 * tree-pass.h (pass_expand_omp): Declare.
8352 * omp-low.c (struct omp_region): Declare.
8353 (struct omp_context): Remove fields 'parallel_type',
8354 'parallel_start_ix' and 'parallel_start_additional_args'.
8356 (struct omp_for_data): Rename from struct expand_omp_for_data.
8357 (omp_regions): New static variable.
8358 (root_omp_region): New static variable.
8359 (find_omp_clause): Make static.
8360 (is_in_combined_parallel_ctx): Remove.
8361 (is_combined_parallel): New.
8362 (extract_omp_for_data): Move earlier in the file.
8363 (workshare_safe_to_combine_p): New.
8364 (get_ws_args_for): New.
8365 (determine_parallel_type): Move earlier in the file.
8366 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8368 (omp_copy_decl): Likewise.
8369 (create_omp_child_function): Likewise.
8370 (lookup_omp_region): New.
8371 (dump_omp_region): New.
8372 (debug_omp_region): New.
8373 (debug_all_omp_regions): New.
8374 (new_omp_region): New.
8375 (scan_omp_parallel): If parallel_nesting_level > 1, the
8376 directive is nested within another parallel directive.
8377 Set OMP_PARALLEL_FN.
8378 (scan_omp_for): Do not try to handle combined parallel+for
8380 Remove FIXME comment.
8381 (scan_omp_nested): Remove.
8382 (scan_omp_1): Do not call scan_omp_nested when
8383 parallel_nesting_level is > 1.
8384 Do not change the DECL_CONTEXT of local variables found.
8385 (lookup_decl_in_outer_ctx): New.
8386 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8387 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8388 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8389 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8390 If CTX is nested, lookup VAR in the outer context when
8391 building copy assignment.
8392 (lower_send_clauses): Rename from expand_send_clauses.
8393 If CTX is nested, lookup VAR in the outer context when
8394 building copy assignments.
8395 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8396 If CTX is nested, lookup VAR in the outer context when
8397 building copy assignments.
8398 (expand_parallel_call): Rename from build_parallel_call.
8399 Handle combined parallel+workshare cases.
8400 Re-implement to emit code into the CFG.
8402 (expand_omp_parallel): Re-implement to emit code into the CFG.
8403 Call move_sese_region_to_fn to outline the sub-graph
8404 containing the parallel region.
8405 (expand_omp_for_1): Remove.
8406 (expand_omp_for_generic): Re-implement to emit code into the
8408 (expand_omp_for_static_nochunk): Likewise.
8409 (expand_omp_for_static_chunk): Likewise.
8410 (expand_omp_for): Likewise.
8411 (expand_omp_sections): Likewise.
8412 (remove_exit_barriers): New.
8413 (expand_omp_synch): New.
8415 (build_omp_regions_1): New.
8416 (build_omp_regions): New.
8417 (execute_expand_omp): New.
8418 (gate_expand_omp): New.
8419 (pass_expand_omp): Define.
8420 (lower_omp_sections): Rename from expand_omp_sections.
8421 Set OMP_SECTIONS_SECTIONS.
8422 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8423 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8424 (lower_omp_single): Rename from expand_omp_simple.
8425 (lower_omp_master): Rename from expand_omp_master.
8426 (lower_omp_ordered): Rename from expand_omp_ordered.
8427 (lower_omp_critical): Rename from expand_omp_critical.
8428 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8429 (lower_omp_for): Re-implement.
8430 (lower_omp_parallel): Re-implement.
8431 (lower_regimplify): Rename from expand_regimplify.
8432 (lower_omp_1): Rename from expand_omp_1.
8433 If there are syntax errors in the program, replace every
8434 OpenMP directive with NOP.
8435 Call lower_omp_* instead of expand_omp_*.
8436 (lower_omp): Rename from expand_omp.
8438 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8439 * tree-gimple.h (enum omp_parallel_type): Remove.
8440 (gimple_boolify): Declare extern.
8441 (find_omp_clause, determine_parallel_type): Remove.
8443 * gimple-low.c (lower_omp_directive): New.
8444 (lower_stmt): Call it.
8445 (record_vars_into): Move from ...
8446 (record_vars): ... here.
8447 Call record_vars_into with current_function_decl.
8449 * gimplify.c (struct gimplify_ctx): Remove fields
8450 combined_pre_p and combined_ctxp. Update users.
8451 (get_formal_tmp_var): Add documentation.
8452 (gimple_boolify): Make extern.
8453 (gimplify_expr_in_ctx): Remove. Update callers.
8454 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8455 will always be a BIND_EXPR.
8456 (gimplify_expr): Handle OMP_RETURN_EXPR.
8457 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8458 (OMP_PARALLEL): Add 3 operands.
8459 (OMP_SECTIONS): Add 1 operand.
8460 (OMP_RETURN_EXPR): Define.
8462 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8463 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8464 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8465 creating a circular free list.
8466 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8468 * tree-flow.h (move_sese_region_to_fn): Declare.
8469 (record_vars_into): Declare.
8470 * tree-cfg.c (make_omp_sections_edges): New.
8471 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8472 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8473 OMP_SECTIONS and OMP_SECTION.
8474 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8475 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8476 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8477 (gather_blocks_in_sese_region): New.
8478 (struct move_stmt_d): Declare.
8480 (move_block_to_fn): New.
8481 (move_sese_region_to_fn): New.
8483 * passes.c (init_optimization_passes): Schedule
8484 pass_expand_omp after pass_init_datastructures.
8486 * tree-ssa-operands.c (get_expr_operands): Handle
8487 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8488 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8490 2006-01-19 Jeff Law <law@redhat.com>
8492 * tree-vrp.c (extract_range_from_assert): Refine the result range
8493 if the variable referenced by the ASSERT_EXPR has a range and
8494 either the tentative result range or the previous range is a
8497 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8499 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8501 2006-01-19 Jan Hubicka <jh@suse.cz>
8503 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8505 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8507 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8508 (expand_compound_operation, expand_field_assignment): Fail if the
8509 bit lengths of an extract operation are out of range.
8510 (make_extraction): Compute wanted_inner_mode based on the position
8511 and length of the extraction. Make it extraction_mode for non-constant
8512 positions, and do not modify offset in that case. When generating a
8513 new MEM, use a mode that can hold the extraction while keeping correct
8514 alignment. Remove code that supported MEMs wrapped by USEs.
8515 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8517 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8519 * config/s390/s390.md ("Y", "y"): New mode attribute.
8520 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8521 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8522 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8523 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8524 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8525 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8526 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8527 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8528 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8529 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8530 "addsi3", "subsi3"): Insn patterns removed.
8531 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8532 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8533 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8534 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8535 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8536 "*sub<mode>3_cconly2"): New insn patterns.
8537 ("addsi3", "subsi3"): New expanders.
8539 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8541 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8542 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8543 existing STMT_VINFO_VECTYPE if available.
8544 (vect_mark_relevant): Add special handling for stmts that are
8545 marked as STMT_VINFO_IN_PATTERN_P.
8546 (vect_analyze_loop): Call vect_pattern_recog.
8547 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8548 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8550 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8551 (vect_recog_func_ptr): New function-pointer type.
8552 * tree-vect-patterns.c: New file.
8553 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8554 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8555 (vect_pattern_recog_1): New functions.
8556 (vect_pattern_recog_funcs): New array of function pointers.
8558 * tree-vectorizer.h (ternary_op): New enum value.
8559 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8560 declaration. Revised documentation. Removed redundant dump prints.
8561 Removed redundant argument. Added support for reduction patterns.
8562 (vectorizable_reduction): Added support for reduction patterns.
8563 (vect_transform_stmt): Added support for patterns.
8565 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8566 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8567 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8568 (expand_widen_pattern_expr): New function.
8569 (init_optabs): Initialize new optabs udot_prod_optab,
8571 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8572 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8573 (expand_widen_pattern_expr): New function declaration.
8574 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8576 * tree-inline.c (estimate_num_insns_1): Added cases for new
8577 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8578 * tree-pretty-print.c (dump_generic_node): Likewise.
8579 (op_prio): Likewise.
8580 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8581 * tree-ssa-operands.c (get_expr_operands): Added case for
8583 * tree-vect-patterns.c (widened_name_p): New function.
8584 (vect_recog_dot_prod_pattern): Added function implementation.
8585 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8586 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8587 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8588 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8590 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8591 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8592 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8593 (init_optabs): Initialize new optabs widen_ssum_optab,
8595 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8596 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8597 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8598 use instead of type of def.
8599 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8600 function implementation.
8601 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8602 widen_ssumv8hi): New.
8604 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8607 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8610 * c-decl.c (add_flexible_array_elts_to_size): New function.
8611 (finish_decl): Use it.
8613 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8615 * diagnostic.h: Include options.h.
8616 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8617 dependancies for diagnostic.h.
8618 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8620 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8622 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8623 (ssa_ro_call_cache_valid): Ditto.
8624 * tree-ssa-alias.c (sort_tags_by_id): New function.
8625 (init_transitive_clobber_worklist): Ditto.
8626 (add_to_worklist): Ditto.
8627 (mark_aliases_call_clobbered): Ditto.
8628 (compute_tag_properties): Ditto.
8629 (set_initial_properties): Ditto.
8630 (compute_call_clobbered): Ditto.
8631 (compute_may_aliases): Call compute_call_clobbered and grouping.
8632 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8633 (compute_flow_insensitive_aliasing): Grouping now happens in our
8635 (setup_pointers_and_addressables): Remove clobbering related code.
8636 (add_may_alias): Ditto.
8637 (replace_may_alias): Ditto.
8638 (get_nmt_for): Ditto.
8639 (create_global_var):
8640 (is_escape_site): Return an escape_type enumeration.
8641 * tree-flow-inline.h (is_call_clobbered): Global var does not
8642 imply call clobbered.
8643 (mark_call_clobbered): Take a reason for marking this. Remove
8644 marking of globalness, and cache invalidation.
8645 (clear_call_clobbered): Remove cache invalidation code.
8646 * tree-dfa.c (dump_variable): If details is on, dump the reason
8648 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8650 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8651 (struct var_ann_d): Ditto.
8652 (enum escape_type): New.
8653 (mark_call_clobbered): Adjust prototype.
8654 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8655 are never call clobbered.
8656 Record reasons for escaping.
8657 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8658 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8659 (ssa_ro_call_cache_valid): Ditto.
8660 (clobbered_v_may_defs): Ditto.
8661 (clobbered_vuses): Ditto.
8662 (ro_call_vuses): Ditto.
8663 (clobber_stats): New.
8664 (init_ssa_operands): Zero out clobber stats.
8665 (fini_ssa_operands): Print out clobber stats.
8666 (get_call_expr_operands): Pass callee fndecl to
8668 (add_call_clobber_ops): Remove use of cache.
8669 Add use of PURE_CONST information.
8670 (add_call_read_ops): Remove use of cache.
8671 Add use of static not_read information.
8673 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8675 Introduce TLS descriptors for i386 and x86_64.
8676 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8677 (TARGET_ANY_GNU_TLS): New macro.
8678 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8679 (struct machine_function): Add tls_descriptor_call_expanded_p.
8680 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8681 (ix86_current_function_calls_tls_descriptor): Likewise.
8682 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8683 (override_options): Introduce gnu2 tls dialect.
8684 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8686 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8688 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8689 (ix86_init_machine_status): Initialize new field.
8690 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8691 (ix86_tls_module_base): New.
8692 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8693 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8694 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8695 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8696 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8697 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8698 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8699 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8700 * config/i386/predicates.md (tls_modbase_operand): New.
8701 (tp_or_register_operand): New.
8703 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8705 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8706 (look_for_address_of): Ditto.
8707 (ipa_init): Walk the function decls.
8708 (static_execute): Don't set readonly on FUNCTION_DECL's.
8710 2006-01-18 Roger Sayle <roger@eyesopen.com>
8712 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8713 for shifts where the source and destination registers are different.
8715 2006-01-18 Paul Brook <paul@codesourcery.com>
8717 Merge from csl-arm-branch.
8718 2005-03-14 Julian Brown <julian@codesourcery.com>
8719 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8720 (aeabi_llsl): Likewise.
8721 (ashrdi3): Likewise.
8722 (aeabi_lasr): Likewise.
8723 (lshrdi3): Likewise.
8724 (aeabi_llsr): Likewise.
8725 2005-03-10 Julian Brown <julian@codesourcery.com>
8726 * config.gcc: Disable shared libgcc for SymbianOS.
8727 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8729 2006-01-18 DJ Delorie <dj@redhat.com>
8731 * c-pragma.c (handle_pragma_diagnostic): New.
8732 (init_pragma): Register it.
8733 * doc/extend.texi: Document it.
8735 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8736 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8737 (diagnostic_context): Add classify_diagnostic[].
8738 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8739 as errors if they're overridden to DK_WARNING.
8740 (diagnostic_initialize): Initialize classify_diagnostic[].
8741 (diagnostic_set_kind_override): New.
8742 (diagnostic_report_diagnostic): Check for kind changes.
8743 * opts.c (common_handle_option): Take lang_mask. Update callers.
8745 * common.opt (Werror=): New.
8746 * doc/invoke.texi: Document -Werror=*
8748 2006-01-18 Jeff Law <law@redhat.com>
8750 * tree-vrp.c (test_for_singularity): Correct test for new
8751 min limit. Use operand_equal_p rather than pointer equality
8752 for testing if new min/max values are equal.
8754 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8755 using range information until after propagation and folding.
8757 2006-01-18 Richard Henderson <rth@redhat.com>
8758 Aldy Hernandez <aldyh@redhat.com>
8759 Jakub Jelinek <jakub@redhat.com>
8760 Diego Novillo <dnovillo@redhat.com>
8762 * omp-low.c: New file.
8763 * c-omp.c: New file.
8765 2006-01-18 Richard Henderson <rth@redhat.com>
8766 Jakub Jelinek <jakub@redhat.com>
8767 Diego Novillo <dnovillo@redhat.com>
8769 * doc/invoke.texi: Document -fopenmp.
8770 * tree-dump.h (debug_function): Declare.
8771 * hooks.c (hook_bool_tree_bool_false): New function.
8772 (hook_tree_tree_null): Remove.
8773 (hook_tree_tree_tree_null): New.
8774 * hooks.h: Update to match.
8775 * tree-pretty-print.c (debug_tree_chain): New.
8776 (print_generic_expr): Handle TDF_CHAIN.
8777 (dump_generic_node): Handle BLOCK.
8778 Do not abort with incomplete SWITCH_EXPRs.
8779 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8780 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8781 print space after directive name.
8782 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8783 Handle OMP_MASTER and OMP_ORDERED.
8784 Handle printing of OMP_BODY just in one place, goto
8785 dump_omp_body in the rest of OMP_* nodes that have
8787 Don't handle clause nodes here. Update omp statements to
8788 use dump_omp_clauses.
8789 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8790 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8791 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8792 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8793 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8794 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8795 Adjust output for GOMP_PARALLEL.
8796 (dump_omp_clauses): New.
8797 (print_declaration): Dump DECL_VALUE_EXPR.
8798 (op_symbol_1): Split out of op_symbol.
8799 (dumping_stmts): Remove. Update all users.
8800 * cgraph.c (cgraph_analyze_queue): New.
8801 (cgraph_add_new_function): New.
8802 * cgraph.h (cgraph_analyze_queue): Declare.
8803 (cgraph_add_new_function): Declare.
8804 (cgraph_lower_function): Remove.
8805 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8806 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8807 and TYPE_P nodes in its default clause.
8808 (empty_body_p): New.
8809 (tree_range_check_failed): New.
8811 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8812 OMP_CLAUSE_REDUCTION_MERGE,
8813 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8814 OMP_CLAUSE_PRIVATE_DEBUG,
8815 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8816 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8817 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8818 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8819 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8820 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8821 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8822 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8823 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8824 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8825 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8826 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8827 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8828 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8829 (TREE_RANGE_CHECK): New.
8830 (empty_body_p): Declare.
8831 (enum omp_clause_default_kind): New.
8832 (build_string_literal): Declare.
8833 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8834 (build5_stat, build5): Declare.
8835 * tree-pass.h (TDF_CHAIN): Define.
8836 * tree-pass.h (PROP_gimple_lomp): Define.
8837 (pass_lower_omp): Declare.
8838 * diagnostic.h (debug_tree_chain): Declare.
8839 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8841 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8842 * builtins.c (build_string_literal): Make extern.
8843 * gcc.c (include_spec_function): New.
8844 (static_spec_functions): Add it.
8845 (main): Move load of libgomp.spec ...
8846 (LINK_COMMAND_SPEC): ... here.
8847 (link_gomp_spec): New.
8848 (static_specs): Include it.
8849 (LINK_COMMAND_SPEC): Add link_gomp.
8850 (GOMP_SELF_SPECS): New.
8851 (driver_self_specs): Include it.
8852 (switch_matches): Don't mark inline.
8853 (main): Load libgomp.spec.
8854 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8855 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8856 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8857 * tree-gimple.h (enum omp_parallel): Declare.
8858 (determine_parallel_type): Declare.
8859 (omp_firstprivatize_variable): Declare.
8860 (omp_reduction_init): Declare.
8861 (diagnose_omp_structured_block_errors): Declare.
8862 (struct walk_stmt_info): Add want_return_expr.
8863 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8864 (find_omp_clause): Declare.
8865 (insert_field_into_struct): Declare.
8866 (struct walk_stmt_info): Move from tree-nested.c
8867 (walk_stmts): Declare.
8868 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8870 * cgraphunit.c (cgraph_lower_function): Make static.
8871 (cgraph_finalize_pending_functions): New.
8872 (cgraph_finalize_function): Call it.
8873 (cgraph_finalize_compilation_unit): Likewise.
8874 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8875 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8876 (BT_FN_UINT_UINT): New.
8877 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8878 DEF_FUNCTION_TYPE_VAR_4): Document.
8879 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8880 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8881 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8882 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8883 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8884 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8885 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8886 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8887 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8888 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8889 into separate files.
8890 (DEF_GOMP_BUILTIN): New.
8891 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8892 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8893 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8894 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8895 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8896 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8897 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8898 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8899 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8900 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8901 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8902 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8903 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8904 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8905 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8906 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8907 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8908 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8909 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8910 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8911 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8912 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8913 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8914 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8915 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8916 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8917 * sync-builtins.def: New file, moved from builtins.def.
8918 * omp-builtins.def: New file, moved from builtins.def.
8919 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8920 * gimple-low.c (lower_function_body): Clear data.
8921 (lower_stmt): Do not handle COMPOUND_EXPR.
8922 Remove call to print_node_brief.
8923 * c-tree.h (c_finish_omp_clauses): New prototype.
8924 (C_DECL_THREADPRIVATE_P): Define.
8925 (lookup_name_no_remap, c_omp_remap_private): Remove
8926 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8927 (check_for_loop_decls): Update decl.
8928 (lookup_name_no_remap, c_omp_remap_private): Declare.
8929 (build_indirect_ref, build_modify_expr, pushdecl,
8930 pushdecl_top_level): Move to c-common.h.
8931 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8932 before the switch, but just in the 2 places that need it.
8933 * c-decl.c (diagnose_mismatched_decls): Do not check for
8934 mismatched thread-local attributes when OLDDECL is marked
8935 threadprivate and NEWDECL has no thread-local attributes.
8936 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8937 (c_gimple_diagnostics_recursively): Rename from
8938 c_warn_unused_result_recursively. Invoke
8939 diagnose_omp_structured_block_errors.
8940 (check_for_loop_decls): Return a singular decl found.
8941 * langhooks.c (lhd_omp_predetermined_sharing): Return
8942 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8943 (lhd_omp_firstprivatize_type_sizes): New.
8944 (lhd_omp_assignment): New.
8945 (lhd_omp_predetermined_sharing): New.
8946 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8947 (struct lang_hooks_for_types): Add
8948 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8949 omp_predetermined_sharing, omp_disregard_value_expr,
8950 omp_private_debug_clause, omp_clause_default_ctor,
8951 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8952 (c_finish_omp_clauses): New.
8953 (c_finish_bc_stmt): Diagnose break within omp for.
8954 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8955 (build_unary_op): Return error_mark after reporting
8957 (build_modify_expr): Likewise.
8958 * gimplify.c: Include optabs.h and pointer-set.h.
8959 (enum gimplify_omp_var_data): Declare.
8960 (struct gimplify_omp_ctx): Declare.
8961 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8963 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8964 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8965 (splay_tree_compare_decl_uid): New.
8966 (new_omp_context): New.
8967 (delete_omp_context): New.
8968 (gimple_add_tmp_var): Call omp_add_variable.
8969 (gimplify_bind_expr): Likewise.
8970 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8971 true, disregard DECL_VALUE_EXPR on the decl if any.
8972 (gimplify_expr_in_ctx): New.
8973 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8974 omp_add_variable, omp_notice_variable, omp_is_private
8975 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8976 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8977 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8978 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8979 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8980 gimplify_omp_atomic): New.
8981 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8982 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8983 OMP_CRITICAL and OMP_ATOMIC.
8984 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8985 * c-pragma.h (enum pragma_kind): Add
8986 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8987 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8988 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8989 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8990 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8991 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8992 PRAGMA_OMP_THREADPRIVATE.
8993 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8994 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8995 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8996 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8997 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8998 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8999 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9000 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9001 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9002 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9003 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9004 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9005 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9007 (struct nesting_info): Add field_map,
9008 suppress_expansion, debug_var_chain.
9009 (create_nesting_tree): Initialize them.
9010 (lookup_field_for_decl): Use field_map.
9011 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9012 (convert_local_omp_clauses): New.
9013 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9014 (walk_body): Split out of walk_function.
9015 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9016 (convert_nonlocal_reference): Handle omp statements.
9017 (convert_local_reference): Likewise.
9018 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9019 (unnest_nesting_tree): New.
9020 (lower_nested_functions): Call it.
9021 (insert_field_into_struct): Make extern.
9022 (struct walk_stmt_info): Move to tree-gimple.h.
9023 (walk_stmts): Make extern.
9024 * omp-builtins.def: New file.
9025 * tree-iterator.c (expr_only): Clarify comment.
9026 * c-common.h (pushdecl_top_level, pushdecl,
9027 build_modify_expr, build_indirect_ref,
9028 c_finish_omp_master, c_finish_omp_critical,
9029 c_finish_omp_ordered, c_finish_omp_barrier,
9030 c_finish_omp_atomic, c_finish_omp_flush,
9031 c_finish_omp_for, c_split_parallel_clauses,
9032 omp_clause_default_kind, c_omp_sharing_predetermined,
9033 c_omp_remap_decl): Declare.
9034 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9035 (OBJS-common): Add omp-low.o.
9036 (c-omp.o, omp-low.o): Add.
9037 (gimplify.o): Add dependency on $(OPTABS_H).
9038 (GTFILES): Add omp-low.c.
9039 (gt-stringpool.h): Add.
9040 * tree-cfg.c (set_bb_for_stmt): Do not update the
9041 block-to-labels map if we are currently expanding to RTL.
9042 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9044 Handle IDENTIFIER_NODE.
9045 (tree_verify_flow_info): Do not ICE when emitting error
9046 messages about invalid labels.
9047 (dump_function_to_file): Reset CFUN before emitting the body
9049 (debug_function): New.
9050 * passes.c (init_optimization_passes): Schedule
9052 * langhooks-def.h (lhd_omp_predetermined_sharing,
9053 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9055 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9056 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9057 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9058 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9059 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9060 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9061 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9062 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9063 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9064 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9065 (LANG_HOOK_DECLS): Use them.
9067 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9068 Richard Henderson <rth@redhat.com>
9069 Jakub Jelinek <jakub@redhat.com>
9070 Diego Novillo <dnovillo@redhat.com>
9072 * c-parser.c (pragma_omp_clause): Define.
9073 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9074 (c_parser_compound_statement): Likewise.
9075 (c_parser_statement): Likewise.
9076 (c_parser_pragma): Handle omp pragmas.
9077 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9078 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9079 (c_parser_omp_clause_name, check_no_duplicate_clause,
9080 c_parser_omp_variable_list,
9081 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9082 c_parser_omp_clause_copyprivate,
9083 c_parser_omp_clause_default,
9084 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9085 c_parser_omp_clause_lastprivate,
9086 c_parser_omp_clause_nowait,
9087 c_parser_omp_clause_num_threads,
9088 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9089 c_parser_omp_clause_reduction,
9090 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9091 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9092 c_parser_omp_atomic, c_parser_omp_barrier,
9093 c_parser_omp_critical, c_parser_omp_flush,
9094 c_parser_omp_for_loop, c_parser_omp_for,
9095 c_parser_omp_master, c_parser_omp_ordered,
9096 c_parser_omp_sections_scope, c_parser_omp_sections,
9097 c_parser_omp_parallel, c_parser_omp_single,
9098 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9099 * c-pragma.c (init_pragma): Do omp pragma registration here.
9100 * c.opt (fopenmp): New flag.
9102 2006-01-18 Eric Christopher <echristo@apple.com>
9104 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9105 * config/darwin.h (GOMP_SELF_SPECS): Define.
9107 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9109 * rtl.h: Remove the prototype for reg_alloc.
9111 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9114 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9115 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9116 sjlj and dwarf2 exception handling.
9117 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9118 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9119 * pa/pa.c (function_value): Treat complex and vector types as
9121 (function_arg): Likewise. Only pass scalar floats in the floating
9122 point argument registers.
9123 * pa/t-slibgcc-dwarf-ver: New file.
9124 * pa/t-slibgcc-sjlj-ver: New file.
9125 * pa/t-slibgcc-elf-ver: Delete file.
9127 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9129 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9130 unlikely_test_section_p test.
9132 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9134 * mode-switching.c (optimize_mode_switching): Make it static.
9135 * basic-block.h: Remove the prototype for
9136 optimize_mode_switching.
9138 * modulo-sched.c (sms_schedule): Make it static.
9139 * rtl.h: Remove the prototype for sms_schedule.
9141 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9142 * rtl.h: Remove the prototype for gcse_after_reload_main.
9144 * reg-stack.c (reg_to_stack): Make it static.
9145 * rtl.h: Remove the prototype for reg_to_stack.
9147 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9149 * rtl.h: Remove the prototypes for regrename_optimize and
9150 copyprop_hardreg_forward.
9152 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9154 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9155 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9156 Test against the appropriate null constant for the mode.
9157 If 'fixup_overlap' is true, swap the operands if they overlap.
9158 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9159 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9160 alpha_split_tmode_pair and adjust for above change.
9161 * config/alpha/alpha.md (movtf_internal): Adjust call to
9162 alpha_split_tfmode_pair and rely on it to swap the operands.
9163 (movti_internal): New insn and post-reload splitter.
9164 (movti): New expander.
9166 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9168 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9171 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9173 * rtlanal.c (global_reg_mentioned_p_1,
9174 global_reg_mentioned_p): Remove.
9175 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9177 * flow.c (initialize_uninitialized_subregs): Make it static.
9178 * rtl.h: Remove the prototype for
9179 initialize_uninitialized_subregs.
9181 * function.c (instantiate_virtual_regs): Make it static.
9182 * function.h: Remove the prototype for
9183 instantiate_virtual_regs.
9185 * regmove.c (regmove_optimize, combine_stack_adjustments):
9187 * rtl.h: Remove the prototypes for regmove_optimize and
9188 combine_stack_adjustments.
9190 2006-01-17 Roger Sayle <roger@eyesopen.com>
9192 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9193 (size_cost): Encode costs in bytes so that a reg-reg addition is
9194 equivalent to COSTS_N_INSNS(1).
9195 (override_options): Use the size_cost.branch_cost as the default
9196 ix86_branch_cost when optimizing for size.
9198 2006-01-18 Ben Elliston <bje@au.ibm.com>
9200 * Makefile.in (D32PBIT_FUNCS): New.
9201 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9202 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9203 D64PBIT_FUNCS and D128PBIT_FUNCS.
9204 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9205 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9207 (decnumber_dep): Define.
9208 * doc/libgcc.texi (Decimal float library routines): New node.
9209 * config/dfp-bit.h, config/dfp-bit.c: New files.
9211 2006-01-18 Ben Elliston <bje@au.ibm.com>
9213 * expr.c (emit_move_change_mode): Always adjust addresses, not
9214 just during reload. Copy replacements only during reload.
9215 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9216 emit_move_via_integer.
9218 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9220 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9221 instead of $(srcdir) and ${srcdir}.
9223 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9227 * arm.h (struct machine_function): Add pic_reg.
9228 * arm.c (arm_pic_register): Make unsigned.
9229 (arm_override_options): Only set arm_pic_register if
9230 TARGET_SINGLE_PIC_BASE.
9231 (use_return_insn): Only test for a pic register if it is fixed.
9232 (arm_compute_save_reg0_reg12_mask): Likewise.
9233 (thumb_compute_save_reg_mask): Likewise.
9234 (legitimate_pic_operand): Factor out some known invariants.
9235 (legitimize_pic_address): If we don't have a fixed pic register,
9236 then set up a pseudo in the function entry sequence. Handle the
9237 pic base being in a pseudo.
9238 (arm_load_pic_register): Handle the pic register being in a pseudo.
9239 (arm_expand_prologue): Only set up the pic register if it is fixed.
9240 (thumb_expand_prologue): Likewise.
9241 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9242 (pic_load_addr_based_insn): Likewise.
9243 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9246 2006-01-18 Ben Elliston <bje@au.ibm.com>
9248 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9249 decimal float modes for all floating point registers.
9251 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9252 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9254 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9257 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9258 even when the pointer is not NULL.
9260 2006-01-16 Ian Lance Taylor <ian@airs.com>
9262 * common.opt (ftoplevel-reorder): New option.
9263 * cgraph.c (cgraph_asm_nodes): New global variable.
9264 (cgraph_asm_last_node): New static variable.
9265 (cgraph_order): New global variable.
9266 (cgraph_create_node): Set new order field.
9267 (cgraph_varpool_node): Likewise.
9268 (decide_is_variable_needed): Return true if not
9269 flag_toplevel_reorder.
9270 (cgraph_add_asm_node): New function.
9271 * cgraph.h (struct cgraph_node): Add order field.
9272 (struct cgraph_varpool_node): Add order field.
9273 (struct cgraph_asm_node): Define.
9274 (cgraph_asm_nodes, cgraph_order): Declare.
9275 (cgraph_add_asm_node): Declare.
9276 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9278 (cgraph_varpool_assemble_pending_decls): Call it.
9279 (cgraph_output_pending_asms): New static function.
9280 (cgraph_finalize_compilation_unit): Call it.
9281 (struct cgraph_order_sort): Define.
9282 (cgraph_output_in_order): New static function.
9283 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9284 !flag_toplevel_reorder case.
9285 * c-parser.c: Include "cgraph.h".
9286 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9288 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9289 than -fno-unit-at-a-time.
9290 * doc/invoke.texi (Option Summary): Mention
9291 -fno-toplevel-reorder.
9292 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9293 -funit-at-a-time documentation.
9295 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9296 Kazu Hirata <kazu@codesourcery.com>
9298 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9300 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9302 * Makefile.in (FUNCTION_H): New. Use it instead of
9303 function.h throughout the file.
9304 * function.h: Include tree.h.
9306 2006-01-17 Ben Elliston <bje@au.ibm.com>
9308 * recog.c: Separate some functions with whitespace.
9310 2006-01-16 Richard Henderson <rth@redhat.com>
9312 Merge from gomp branch:
9313 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9314 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9315 and rename from struct inline_data. Rename callee* to dst*;
9316 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9317 transform_new_cfg, transform_return_to_modify, and
9318 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9320 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9321 (copy_decl_for_dup): Remove.
9322 * tree-inline.c (struct inline_data): Move to header.
9323 (insert_decl_map): Export.
9324 (remap_decl): Update for member name changes. Use copy_decl hook.
9325 Allow for replacement to be a non-decl. Remove dead code.
9326 (remap_type_1): Check for existing mapping.
9327 (remap_type): Export.
9328 (remap_decls): Update for member name changes.
9329 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9330 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9331 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9332 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9333 (tree_function_versioning, build_duplicate_type): Likewise.
9334 (copy_body_r): Likewise. Export.
9335 (copy_decl_for_dup): Split into ...
9336 (copy_decl_for_dup_finish, copy_decl_to_var,
9337 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9338 (replace_ref_tree, inlining_p): Remove.
9340 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9342 * ifcvt.c (if_convert): Make it static.
9343 * rtl.h: Remove the prototype for if_convert.
9345 * local-alloc.c (local_alloc): Make it static.
9346 * rtl.h: Remove the prototype for local_alloc.
9348 * loop.c (loop_optimize): Make it static.
9349 * cfgloop.h: Remove the prototype for loop_optimize.
9352 2006-01-16 DJ Delorie <dj@redhat.com>
9354 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9357 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9359 * pa.md: Disparage copies between general and floating-point registers
9360 in 32-bit move patterns.
9362 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9365 * Makefile.in (check-%): Depend on site.exp instead of
9366 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9369 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9371 * global.c (global_alloc): Make it static.
9372 * rtl.h: Remove the prototype for global_alloc.
9374 2006-01-16 Richard Guenther <rguenther@suse.de>
9376 * tree-ssa-alias.c (struct used_part): Add write_only field.
9377 (get_or_create_used_part_for): Initialize it to true.
9378 (create_overlap_variables_for): Don't create structure variables
9379 for structures that only are written to.
9380 (find_used_portions): Handle MODIFY_EXPR to track whether a
9381 structure is only written to.
9383 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9385 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9387 * basic-block.h: Remove the prototype for
9388 partition_hot_cold_basic_blocks.
9390 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9392 * cppspec.c (lang_specific_spec_functions): Remove.
9393 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9394 * gcc.h (lang_specific_spec_functions): Remove.
9395 * gccspec.c (lang_specific_spec_functions): Remove.
9397 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9399 * combine.c (record_value_for_reg): Invalidate registers
9401 (record_dead_and_set_regs_1): Likewise, by passing them to
9402 record_value_for_reg.
9403 (record_dead_and_set_regs): Invalidate stores made by a
9404 call. We do not combine across a call, but we still
9405 relied on equivalences.
9407 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9409 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9410 vrp_int_const_binop returning non-constant nodes.
9412 2006-01-16 Paul Brook <paul@codesourcery.com>
9414 * config/m68k/m68k.c (output_move_const_into_data_reg):
9415 Output correct mnemonic for mvz and mvs.
9417 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9419 * rtl-factoring.c: Add sequence abstraction algorithm.
9420 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9421 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9423 (block_has_preserve_label): New function.
9424 * common.opt: Register new pass.
9425 * Makefile.in: Ditto.
9427 * timevar.def: Ditto.
9428 * tree-pass.h: Ditto.
9429 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9430 * rtl.h (make_jump_insn_raw): Add forward decl.
9431 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9433 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9434 Roger Sayle <roger@eyesopen.com>
9436 * fold-const.c (fold_minmax): New static function.
9437 (fold_binary) <MIN_EXPR>: Call it.
9438 <MAX_EXPR>: Likewise.
9439 * stor-layout.c (place_field): Use DECL_SIZE consistently
9440 in the computation of the new record size.
9442 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9444 * cse.c (cse_condition_code_reg): Make it static.
9445 * rtl.h: Remove the prototype for cse_condition_code_reg.
9447 * combine.c (combine_instructions): Make it static.
9448 * rtl.h: Remove the prototype for combine_instructions.
9450 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9453 * tree.c (get_file_function_name_long): Concatenate the first global
9454 object name with a string derived from the input filename of the object
9457 2006-01-16 Ben Elliston <bje@au.ibm.com>
9459 * config/i386/winnt-stubs.c: Update FSF address.
9460 * config/xtensa/ieee754-df.S: Ditto.
9461 * config/xtensa/ieee754-sf.S: Ditto.
9463 2006-01-14 Ian Lance Taylor <ian@airs.com>
9465 * ifcvt.c (noce_init_if_info): New static function, broken out of
9466 noce_process_if_block.
9467 (noce_process_if_block): Call noce_init_if_info.
9468 (check_cond_move_block): New static function.
9469 (cond_move_process_if_block): New static function.
9470 (process_if_block): Call cond_move_process_if_block.
9472 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9474 * cselib.c (hash_table): Rename to cselib_hash_table.
9475 (cselib_clear_table, discard_useless_values,
9476 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9477 cselib_init, cselib_finish): Adjust uses of hash_table.
9479 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9481 PR tree-optimization/25485
9482 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9483 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9484 is known to be false and true, respectively.
9486 2006-01-14 Richard Guenther <rguenther@suse.de>
9488 PR tree-optimization/22548
9489 PR tree-optimization/22555
9490 PR tree-optimization/22501
9491 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9492 * params.def (salias-max-array-elements): New parameter.
9493 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9494 * doc/invoke.texi (salias-max-array-elements): Document.
9495 * tree-flow-inline.h (var_can_have_subvars): We also handle
9497 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9499 * tree-ssa-structalias.c (params.h): Include.
9500 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9501 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9502 (get_constraint_for): For ADDR_EXPR operating on something
9503 containing an ARRAY_REF, add all subvars to the solution.
9504 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9505 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9506 for creating MUST_DEFs.
9507 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9509 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9511 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9513 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9514 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9515 number_of_iterations_le): New functions.
9516 (number_of_iterations_special): Removed.
9517 (number_of_iterations_exit): Do not use number_of_iterations_special.
9518 * tree.c (unsigned_type_for): Always return integer type.
9520 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9521 Richard Guenther <rguenther@suse.de>
9523 PR rtl-optimization/24257
9524 * gcse.c (find_moveable_store): Only consider a store movable
9525 when the SET_SRC of the insn can be assigned to a register.
9527 2006-01-14 Ian Lance Taylor <ian@airs.com>
9529 * tree.c (tree_not_class_check_failed): New function.
9530 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9531 (tree_not_class_check_failed): Declare.
9533 2006-01-13 Ian Lance Taylor <ian@airs.com>
9535 * reload1.c (do_output_reload): Add assertion rejecting a
9538 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9540 * combine.c (struct reg_stat): Add new fields truncation_label and
9542 (record_value_for_reg): Reset truncated_to_mode.
9543 (record_truncated_value): New function.
9544 (check_promoted_subreg): Call it. Rename to check_conversions.
9545 (combine_instructions): Rename check_promoted_subreg to
9547 (reg_truncated_to_mode): New function.
9548 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9549 (gen_lowpart_or_truncate): New function.
9550 (force_to_mode): Use it instead of gen_lowpart.
9552 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9554 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9555 VAR is a tag, not its type tag.
9557 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9559 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9560 alternatives to match style of other entries.
9561 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9563 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9565 PR tree-optimization/25771
9566 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9569 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9572 * tree-inline.c (declare_return_variable): If the return variable
9573 was marked as a non gimple complex, set the return slot variable
9574 to be a non gimple comple variable.
9576 2006-01-13 Richard Guenther <rguenther@suse.de>
9578 * builtins.c (expand_builtin_sincos): New function.
9579 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9581 (expand_builtin): Expand sincos using expand_builtin_sincos.
9583 2006-01-12 DJ Delorie <dj@redhat.com>
9585 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9586 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9587 so that constant shifts can be split.
9588 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9589 (m32c_valid_pointer_mode): Make static.
9590 (shift_gen_func_for): New.
9591 (m32c_prepare_shift): Use it. Split large const shifts into
9593 * config/m32c/predicates.md (shiftcount_operand): Allow more
9595 (longshiftcount_operand): New.
9596 * doc/md.texi (Machine Constraints): Document In6.
9598 2006-01-13 Ben Elliston <bje@au.ibm.com>
9600 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9601 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9604 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9606 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9607 to try to avoid clobbering pieces of structures when we know
9608 something about the whole structure.
9609 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9611 2006-01-13 Ben Elliston <bje@au.ibm.com>
9613 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9614 return in memory, as this is no limitation is no longer present.
9616 2006-01-12 DJ Delorie <dj@redhat.com>
9618 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9619 mova with fb, and for fb+0 -> An.
9621 * config/m32c/mov.md (peephole2): Fix enabling logic.
9623 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9624 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9625 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9626 FINI_ARRAY_SECTION_ASM_OP): Define.
9628 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9630 (m32c_legitimize_reload_address): New logic to reload FB to An.
9631 (m32c_output_reg_push): Add newline.
9632 (m32c_output_reg_pop): Likewise.
9634 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9636 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9638 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9640 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9642 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9644 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9647 2006-01-11 Ben Elliston <bje@au.ibm.com>
9649 * rtlanal.c (find_reg_note): Assert insn is not null.
9651 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9653 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9656 2006-01-11 Jeff Law <law@redhat.com>
9658 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9660 (mark_threaded_blocks, register_jump_thread): New functions.
9661 (thread_through_all_blocks): Remove unwanted argument. No
9662 longer rely on e->aux to communicate thread target info.
9663 Call mark_threaded_blocks. Release the threaded_blocks
9664 bitmap and threaded_edges vector when complete.
9665 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9666 (threaded_blocks): Remove.
9667 (tree_ssa_dominator_optimize): Remove initialization and
9668 finalization of threaded_blocks. Simplify call to
9669 thread_through_all_blocks.
9670 (thread_across_edge): Call register_jump_thread rather than
9671 storing thread information into e->aux.
9672 (free_all_edge_infos): Simplify now that e->aux is no longer
9673 used to communicate with thread_through_all_blocks.
9674 * tree-flow.h (thread_through_all_blocks): Update prototype.
9675 (register_jump_thread): Prototype.
9677 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9679 * df-core.c (df_compact_blocks, df_bb_replace): Use
9680 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9682 2006-01-11 Richard Guenther <rguenther@suse.de>
9684 PR tree-optimization/25734
9685 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9686 stop propagation after successful propagation to the LHS.
9688 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9690 * basic-block.h (control_flow_graph): Change the type of
9691 x_basic_block_info to VEC(basic_block,gc) *.
9692 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9694 (SET_BASIC_BLOCK): New.
9695 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9696 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9697 * cfgbuild.c (find_basic_blocks): Likewise.
9698 * cfglayout.c (fixup_reorder_chain): Likewise.
9699 * cfgrtl.c (create_basic_block_structure,
9700 rtl_create_basic_block): Likewise.
9701 * ifcvt.c (find_if_case_1): Likewise.
9702 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9705 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9707 * Makefile.in: Removed rotted odf.c entry.
9709 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9712 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9713 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9714 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9715 output pattern modifier, not %e.
9716 * config/cris/cris.c (cris_op_str): Update comment about pattern
9718 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9719 before falling through into...
9720 <case 'E'>: Redefined from old 'e' case.
9722 2006-01-11 Jan Hubicka <jh@suse.cz>
9725 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9727 2006-01-11 Jan Hubicka <jh@suse.cz>
9729 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9730 * i386.c (x86_decompose_lea): Kill.
9731 (ix86_rtx_costs): Kill.
9733 2006-01-11 Jan Hubicka <jh@suse.cz>
9735 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9736 * cgraph.h (cgraph_node): Add inline_decl.
9737 (cgraph_insert_node_to_hashtable): Declare.
9738 (save_inline_function_body): Declare.
9739 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9741 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9742 (cgraph_function_versioning): Update call of tree_function_versioning.
9743 (save_inline_function_body): New function.
9744 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9745 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9746 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9747 (cgraph_default_inline_p): Likewise.
9748 (cgraph_decide_inlining_incrementally): Likewise.
9749 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9750 (copy_bb): Kill saving; do updating of clones.
9751 (copy_cfg_body): Kill saving.
9752 (initialize_inlined-parameters): Likewise.
9753 (expand_call_inline): Likewise.
9755 (tree_function_versioning): New parameter "update_clones".
9756 (inlining_p): Kill saving.
9757 * tree-inline.h (tree_function_versioning): Update prototype.
9758 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9761 2006-01-11 Ian Lance Taylor <ian@airs.com>
9763 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9764 Allow undoing set of machine mode.
9765 (do_SUBST): Use enums instead of is_int.
9766 (do_SUBST_MODE): New function.
9767 (SUBST_MODE): New macro.
9768 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9769 reg and trying to replace reg_regno_rtx with a new register.
9770 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9771 (simplify_set): Use SUBST_MODE.
9772 (distribute_notes): Remove code that tried to update reg notes
9773 for regno_reg_rtx changes.
9775 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9777 PR tree-optimization/23109
9778 PR tree-optimization/23948
9779 PR tree-optimization/24123
9781 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9782 * tree-cfg.c (single_noncomplex_succ): New.
9783 * tree-flow.h (single_noncomplex_succ): Declare it.
9784 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9785 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9786 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9787 insert_bb, register_division_in, insert_reciprocals,
9788 replace_reciprocal, free_bb): New.
9789 (execute_cse_reciprocals_1): Rewritten.
9790 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9791 Do not commit any edge insertion. Always compute dominators and
9792 create the allocation pool.
9793 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9794 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9795 * targhooks.c (default_min_divistions_for_recip_mul): New.
9796 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9797 * passes.c (init_optimization_passes): Run recip after tree loop
9799 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9801 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9802 Kenneth Zadeck <zadeck@naturalbridge.com>
9804 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9805 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9806 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9807 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9808 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9809 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9810 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9811 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9812 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9813 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9814 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9815 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9816 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9817 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9818 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9819 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9820 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9821 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9822 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9823 DF_SCAN_POST_ALLOC): New macros.
9824 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9825 df_free_bb_function, df_local_compute_function, df_init_function,
9826 df_dataflow_function, df_confluence_function_0,
9827 df_confluence_function_n, df_transfer_function,
9828 df_finalizer_function, df_free_function, df_dump_problem_function,
9829 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9830 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9831 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9832 df_urec_bb_info, ) New types.
9833 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9835 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9836 df_analyze_simple_change_some_blocks,
9837 df_analyze_simple_change_one_block, df_compact_blocks,
9838 df_bb_replace, df_bb_regno_last_use_find,
9839 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9840 df_insn_regno_def_p, df_find_def, df_find_use,
9841 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9842 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9843 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9844 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9845 debug_df_chain, df_get_dependent_problem, df_chain_create,
9846 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9847 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9848 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9849 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9850 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9851 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9852 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9853 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9854 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9855 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9856 df_reorganize_refs, df_set_state, df_hard_reg_init,
9857 df_read_modify_subreg_p) New public functions.
9858 * df-core.c: The core dataflow solver and glue routines for rtl
9860 (df_init, df_add_problem, df_set_blocks, df_finish,
9861 df_hybrid_search_forward, df_hybrid_search_backward,
9862 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9863 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9864 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9865 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9866 df_reg_defined, df_find_use, df_reg_used, df_dump,
9867 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9868 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9869 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9870 debug_df_useno, reset_df_after_reload): New functions.
9871 * df-scan.c: The scanning fuctions, once in df.c, completely
9872 rewritten so that they now fully model the functionality of
9873 register usage at the backend.
9874 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9875 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9876 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9877 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9878 df_get_artificial_defs, df_get_artificial_uses,
9879 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9880 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9881 df_refs_delete, df_reorganize_refs, df_set_state,
9882 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9883 df_def_record_1, df_defs_record, df_uses_record,
9884 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9885 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9886 df_record_exit_block_uses, df_hard_reg_init): New functions.
9888 * df-problems.c: Seven concrete dataflow problems that use the
9889 scanning in df-scan.c and are solved by the engine in df-core.c.
9890 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9891 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9892 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9893 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9894 df_ru_free_bb_info, df_ru_alloc,
9895 df_ru_bb_local_compute_process_def,
9896 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9897 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9898 df_ru_transfer_function, df_ru_free, df_ru_dump,
9899 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9900 df_rd_free_bb_info, df_rd_alloc,
9901 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9902 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9903 df_rd_transfer_function, df_rd_free, df_rd_dump,
9904 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9905 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9906 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9907 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9908 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9909 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9910 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9911 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9912 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9913 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9914 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9915 df_urec_mark_reg_use_for_earlyclobber,
9916 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9917 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9918 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9919 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9920 df_chain_create_bb_process_use, df_chain_create_bb,
9921 df_chain_finalize, df_chain_free, df_chains_dump,
9922 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9923 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9924 df_reg_lifetime): New functions.
9925 * df.c: Deleted file.
9926 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9927 consistent with new df api.
9928 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9929 rest_of_handle_sms): Ditto.
9930 * web.c (unionfind_union, union_defs, entry_register, web_main):
9932 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9933 invariant_expr_equal_p, find_defs, check_dependencies,
9934 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9935 free_inv_motion_data, move_loop_invariants): Ditto.
9936 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9937 Update dependencies.
9938 (odf.c): Added defective entry that was deleted later in day.
9939 * sched-deps.c (sched_analyze_1): Ditto.
9941 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9943 * tree-ssa-operands.c (get_expr_operands): Record addressable
9944 variables directly. Do not call add_stmt_operands for CONST_DECLs
9946 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9947 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9949 2006-01-11 Ben Elliston <bje@au.ibm.com>
9951 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9952 function returns true in the positive case.
9954 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9957 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9958 for SI, DI, SF and DF modes. Add alternatives to copy between
9959 general and floating point registers to the 32-bit patterns.
9960 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9961 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9962 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9963 generating 64-bit code.
9964 * config/pa/pa.c (output_move_double): Handle copies between general
9965 and floating registers.
9967 2006-01-10 Stuart Hastings <stuart@apple.com>
9969 * config/i386/i386.md (set_got): Update.
9970 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9971 (builtin_setjmp_receiver): Mach-O support.
9972 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9973 (GOT_SYMBOL_NAME): Define.
9974 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9975 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9976 * config/i386/i386.c (override_options): Revise for Darwin.
9977 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9978 support. (darwin_x86_file_end): New. (output_set_got): Add label
9979 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9980 * config/i386/i386-protos.h (output_set_got): Likewise.
9981 * config/darwin.c (machopic_legitimize_pic_address): Update
9984 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9986 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9987 when MODE isn't BLKmode.
9989 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9991 PR rtl-optimization/25367
9992 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9994 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9997 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9998 for a negative bound.
10000 2006-01-10 Richard Guenther <rguenther@suse.de>
10002 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10003 Never override with anything constraint.
10005 2006-01-10 Jan Beulich <jbeulich@novell.com>
10007 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10008 256 bits when optimize_size.
10010 2006-01-10 Jan Beulich <jbeulich@novell.com>
10012 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10014 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10015 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10018 2006-01-10 Ben Elliston <bje@au.ibm.com>
10020 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10022 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10023 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10024 (USE_FP_FOR_ARG): Reject decimal float modes.
10025 (function_arg_advance): Likewise.
10026 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10027 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10028 point types in AltiVec vectors.
10029 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10030 (rs6000_libcall_value): Likewise.
10032 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10034 * config/xtensa/ieee754-df.S: New file.
10035 * config/xtensa/ieee754-sf.S: New file.
10036 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10037 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10038 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10040 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10042 * config/sh/predicates.md (binary_float_operator,
10043 binary_logical_operator, commutative_float_operator,
10044 equality_comparison_operator, greater_comparison_operator,
10045 less_comparison_operator, logical_operator,
10046 noncommutative_float_operator, shift_operator,
10047 symbol_ref_operand, unary_float_operator): Remove redundant
10050 2006-01-09 Jeff Law <law@redhat.com>
10052 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10053 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10054 now unused arguments. Callers updated.
10055 (eliminate_redundant_computations): Remove now unused arguments,
10057 (local_fold): Remove, no longer used.
10058 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10060 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10061 (simplify_cond): New function.
10062 (forward_propagate_into_cond): Call simplify_cond.
10064 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10066 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10067 (*vec_extractv2di_1_sse): New.
10069 2006-01-09 Ben Elliston <bje@au.ibm.com>
10071 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10073 2006-01-08 Richard Guenther <rguenther@suse.de>
10075 * tree-ssa-structalias.c (get_constraint_for): Remove
10076 anyoffset argument.
10077 (get_constraint_for_component_ref): Likewise.
10078 (do_deref): Likewise.
10079 (get_constraint_for): Likewise.
10080 (do_structure_copy): Likewise.
10081 (handle_ptr_arith): Likewise.
10082 (find_func_aliases): Likewise. Remove unused need_anyoffset
10085 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10086 Kaz Kojima <kkojima@gcc.gnu.org>
10088 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10089 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10090 (EXTRA_CONSTRAINT_C16): Remove.
10091 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10092 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10093 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10094 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10095 constants of SHmedia. Handle nested constant expressions of
10097 (andcosts): Fix the costs for SHmedia constants.
10098 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10099 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10100 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10101 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10102 (movv4hi_i, movv2si_i): Likewise.
10103 (movsi_const): Adjust the second operand of ior so to match with
10104 the Csu constraint.
10105 (movdi_const, movdi_const_32bit): Likewise.
10106 (movdi_const_16bit+1): Don't sign-extend LOW.
10107 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10109 (*double_shori): Fix the split condition. Use GEN_INT instead
10110 of get_int_mode calls. Mask lower 16-bit of the argument of
10112 (sym2GOTPLT): Remove.
10113 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10115 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10116 instead of EXTRA_CONSTRAINT_C16.
10118 2006-01-07 Ian Lance Taylor <ian@airs.com>
10119 David Edelsohn <edelsohn@gnu.org>
10121 PR rtl-optimization/25662
10122 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10123 for constant operands instead of simplify_gen_binary.
10124 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10125 after trying simplify_binary_operation
10127 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10129 * tree.c (iterative_hash_expr): Hash decls based on UID.
10131 2006-01-06 Eric Christopher <echristo@apple.com>
10133 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10134 (TARGET_UNWIND_EMIT): Fix spelling.
10135 * target.h (gcc_target): Add except_table_label.
10136 * except.c (output_function_exception_table): Use.
10137 * varasm.c (default_emit_except_table_label): New.
10138 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10140 (asm_out): Add here.
10141 * output.h (default_emit_except_table_label): Prototype.
10142 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10143 * config/darwin.c (darwin_emit_except_table_label): Define.
10144 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10146 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10148 PR tree-optimization/18527
10149 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10150 number_of_iterations_special, number_of_iterations_exit):
10151 Move base and step of an iv to a single structure. Add
10152 no_overflow flag, and use it in # of iterations analysis.
10153 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10154 folded_casts argument.
10155 (simple_iv): Pass base and step in a structure. Set no_overflow
10157 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10158 Evaluate expensiveness of computing # of iterations instead of
10159 the final expression.
10160 * tree-scalar-evolution.h (affine_iv): New structure.
10161 (simple_iv): Declaration changed.
10162 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10163 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10164 find_givs_in_stmt): Changed due to simple_iv change.
10166 2006-01-06 Jeff Law <law@redhat.com>
10169 * tree-cfg.c (bsi_replace): Rename final argument from
10170 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10171 change (stmt -> orig_stmt).
10172 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10173 (bsi_remove): Add new argument. Remove EH information
10175 (verify_eh_throw_table_statements): New function.
10176 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10178 * tree-optimize.c (execute_free_cfg_annotations): Verify
10179 the EH throw statement table after removing annotations.
10180 * except.h (verify_eh_throw_table_statements): Prototype.
10181 * tree-flow.h (bsi_remove): Update prototype.
10182 * tree-vrp.c (remove_range_assertions): Add new argument to
10184 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10185 * tree-complex.c (expand_complex_div_wide): Likewise.
10186 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10187 * tree-tailcall.c (eliminate_tailcall): Likewise.
10188 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10189 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10190 * tree-nrv.c (tree_nrv): Likewise.
10191 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10192 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10193 (combine_blocks): Likewise.
10194 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10195 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10196 (cleanup_control_flow): Likewise.
10197 (remove_forwarder_block): Likewise.
10198 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10199 * tree-sra.c (sra_replace): Likewise.
10200 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10201 (forward_propagate_single_use_vars): Likewise.
10202 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10203 * tree-inline.c (expand_call_inline): Likewise.
10204 * tree-vect-transform.c (vect_transform_loop): Likewise.
10205 * tree-outof-ssa.c (rewrite_trees): Likewise.
10206 * tree-cfg.c (make_goto_expr_edges): Likewise.
10207 (cleanup_dead_labels): Likewise.
10208 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10209 (bsi_move_before, bsi_move_after): Likewise.
10210 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10211 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10213 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10216 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10218 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10219 on non gimple variables. Also add checks at the top for decls and
10221 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10223 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10224 and IMAGPART_EXPR for creating MUST_DEFs.
10225 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10226 and NAME_MEMORY_TAG separately from the DECLs.
10228 2006-01-06 Richard Guenther <rguenther@suse.de>
10230 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10231 annotation, if necessary.
10232 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10233 redundant calls to update_stmt.
10234 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10237 2006-01-05 Richard Henderson <rth@redhat.com>
10239 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10241 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10243 * c-typeck.c: Update copyright date.
10245 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10247 * c-typeck.c (build_c_cast): Always warn when casting
10248 from a pointer to an integer of different size, even if
10249 the node was constant.
10251 2006-01-05 Richard Guenther <rguenther@suse.de>
10253 PR tree-optimization/22555
10254 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10255 if one structure field is an array.
10256 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10257 operands even if we found a subvar, but ignore VOPs in this
10259 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10261 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10263 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10265 PR middle-end/24998
10266 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10268 2006-01-05 Richard Guenther <rguenther@suse.de>
10269 Diego Novillo <dnovillo@redhat.com>
10271 * tree-pass.h (TODO_remove_unused_locals): Define.
10272 * gimple-low.c (expand_var_p, remove_useless_vars,
10273 pass_remove_useless_vars): Remove. Update all users.
10274 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10275 (remove_unused_locals): New function.
10276 * tree-flow.h (remove_unused_locals): Declare.
10277 * passes.c (execute_todo): Call remove_unused_locals if
10278 TODO_remove_unused_locals is set.
10279 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10280 * tree-ssa-dce.c (pass_dce): Likewise.
10281 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10283 2006-01-05 Richard Guenther <rguenther@suse.de>
10285 * tree-flow.h (struct fieldoff): Decompose field to
10286 type, size and decl.
10287 * tree-ssa-alias.c (create_sft): Take type as parameter.
10288 (create_overlap_variables_for): Store type, size and decl
10289 in the fieldoff structure.
10290 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10291 of struct fieldoff.
10292 (push_fields_onto_fieldstack): Likewise.
10293 (create_variable_info_for): Likewise. Use offset for the
10294 SFT name if the decl is not available.
10296 2006-01-04 Paul Brook <paul@codesourcery.com>
10298 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10300 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10302 * lambda-code.c (can_put_in_inner_loop): Relax
10304 (can_put_after_inner_loop): New function.
10305 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10306 (perfect_nestify): Change to make copies and modify uses.
10308 2006-01-04 Richard Henderson <rth@redhat.com>
10310 Merge from gomp branch:
10311 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10312 via integer constant.
10313 (pragma_lex): Remove.
10314 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10315 rather than parsing it.
10316 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10317 handle_pragma_extern_prefix): Add %< %> quotes.
10318 (registered_pragmas): New.
10319 (c_register_pragma_1): New.
10320 (c_register_pragma): Use it.
10321 (c_register_pragma_with_expansion): Likewise.
10322 (c_invoke_pragma_handler): New.
10323 (init_pragma): Use cpp_register_deferred_pragma directly for
10325 * c-pragma.h (enum pragma_kind): New.
10326 (pragma_handler): New.
10327 (c_invoke_pragma_handler): Declare.
10328 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10330 * c-common.h (c_common_pch_pragma): Update decl.
10331 * Makefile.in (c-parser.o): Update dependencies.
10332 (GTFILES): Add c-pragma.h.
10333 * c-parser.c (struct c_token): Add pragma_kind.
10334 (struct c_parser): Add in_pragma.
10335 (c_lex_one_token): Always initialize keyword and pragma_kind.
10336 Extract data for CPP_PRAGMA.
10337 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10338 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10339 Don't allow CPP_PRAGMA_EOL if in_pragma.
10340 (c_parser_consume_pragma): New.
10341 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10342 (c_parser_skip_to_end_of_parameter): Likewise.
10343 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10344 (c_parser_skip_to_pragma_eol): New.
10345 (c_parser_external_declaration): Handle CPP_PRAGMA.
10346 (c_parser_compound_statement_nostart): Likewise.
10347 (c_parser_statement_after_labels): Likewise.
10348 (c_parser_pragma): New.
10349 (pragma_lex): Likewise.
10350 (c_parser_pragma_pch_preprocess): New.
10351 (c_parser_new): Merge into ...
10352 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10354 2006-01-04 Jeff Law <law@redhat.com>
10357 * tree-cfg.c (bsi_replace): Remove the original statement
10358 from the EH throw statement table.
10360 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10362 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10363 make the prototype extern "C" and add throw ().
10366 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10367 and pos non-negative and pos + len <= 32.
10368 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10369 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10370 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10373 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10374 as well as sizes not multiple of component size.
10377 * function.c (instantiate_expr): New function.
10378 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10379 walk its DECL_VALUE_EXPR with instantiate_expr.
10381 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10382 DW_OP_deref{,_size} if address isn't going to be added.
10384 2006-01-04 Ben Elliston <bje@au.ibm.com>
10386 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10387 * config/fp-bit.c: Likewise.
10389 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10391 * dominance.c: Add comment about why we use DFS numbering
10394 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10395 Richard Henderson <rth@redhat.com>
10397 Merge from gomp-branch:
10398 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10399 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10401 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10403 PR rtl-optimization/25578
10404 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10405 pass a parameter to simplify_shift_const if changing ASHIFTRT
10408 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10410 * builtins.c (get_builtin_sync_mem): New function.
10411 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10412 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10413 Call get_builtin_sync_mem to generate mem rtx.
10415 2006-01-03 Richard Guenther <rguenther@suse.de>
10418 * stmt.c (add_case_node): Make sure to clear overflow flags
10421 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10423 Merge from gomp-branch.
10424 * config/sparc/sync.md: New file.
10425 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10426 UNSPECV_LDSTUB): New constants.
10427 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10428 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10429 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10432 2006-01-03 Roger Sayle <roger@eyesopen.com>
10434 * combine.c (reg_subword_p): New predicate to test whether the
10435 destination of a set refers to a subword/piece of a register.
10436 (try_combine): Generalize the code to merge the setting of a
10437 pseudo to a constant followed by a set of a subword of that
10438 register to a constant.
10440 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10442 * basic-block.h (control_flow_graph): Change the type of
10443 x_label_to_block_map to VEC(basic_block,gc) *.
10444 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10445 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10447 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10448 VEC(basic_block,heap) *.
10449 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10450 ssa_prop_fini): Adjust the uses of cfg_blocks.
10452 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10454 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10456 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10457 hashing trees instead of a pointer hash.
10458 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10459 compare for MEM_EXPR.
10461 PR rtl-optimization/25130
10462 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10463 when comparing MEMs for GCSE
10465 2006-01-03 Ben Elliston <bje@au.ibm.com>
10467 * targhooks.h (default_decimal_float_supported_p): Declare.
10468 * targhooks.c (default_decimal_float_supported_p): Define.
10469 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10470 `default_decimal_float_supported_p'.
10471 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10473 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10475 * combine.c (apply_distributive_law <SUBREG>): Check
10476 TRULY_NOOP_TRUNCATION.
10478 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10480 * dwarf2out.c (have_switched_text_section): Delete.
10481 (have_multiple_function_sections): New.
10482 (have_location_lists): Make 'bool'.
10483 (add_AT_loc_list): Use 'true' not '1'.
10484 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10485 (output_loc_list): Use have_multiple_function_sections.
10486 (output_ranges): Likewise.
10487 (dwarf2out_begin_function): Set have_multiple_function_sections if
10489 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10490 Check function_section rather than DECL_SECTION_NAME.
10491 (dwarf2out_finish): Use have_multiple_function_sections.
10492 Don't clear have_location_lists.
10494 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10495 Jan Hubicka <jh@suse.cz>
10497 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10498 case of conditional jump jumping to the next instruction.
10499 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10500 cases of conditional jump jumping to the next instruction.
10502 2006-01-02 Jan Hubicka <jh@suse.cz>
10504 * i386.c (*_cost): Add COSTS_N_INSNS.
10505 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10507 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10510 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10512 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10514 * config/arm/arm.c (all_fpus): Fix comment typo.
10515 * config/darwin.c: Likewise.
10516 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10517 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10518 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10520 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10522 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10523 (rs6000_split_compare_and_swapqhi): New.
10524 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10525 (sync_compare_and_swapqhi_internal): New.
10526 * config/rs6000/rs6000-protos.h: Declare.
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