1 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4 * Makefile.in (OBJS-common): Add see.o.
5 (see.o): Add dependencies.
6 * common.opt (fsee): New flag for the see optimization was added.
7 * opts.c (flag_see): Initialized.
8 * passes.c (init_optimization_passes, pass_see): New pass.
9 * rtl.h (see_main): Declaration as extern.
10 * timevar.def (TV_SEE): New.
11 * tree-pass.h (pass_see): Declaration as extern.
12 * invoke.texi (-fsee): Document.
13 * recog.c (validate_simplify_insn): New function.
14 * recog.h (validate_simplify_insn): Declaration as extern.
15 * df-problems.c (df_chain_dump): Check for NULL.
17 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
18 Daniel Berlin <dberlin@dberlin.org>
20 * cfgrtl.c (insert_insn_bb_end_new): New function.
21 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
23 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
25 * df.h (struct web_entry): Moved from web.c.
26 (union_defs): Declaration as extern.
27 (unionfind_root): Likewise.
28 (unionfind_union): Likewise.
29 * web.c (struct web_entry): Moved to df.h.
30 (unionfind_root): Remove static declaration.
31 (unionfind_union): Likewise.
32 (union_defs): Likewise and generalize to use callback function.
33 (web_main): Update arguments for union_defs function call.
35 2006-05-04 Richard Guenther <rguenther@suse.de>
37 PR tree-optimization/26447
38 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
39 produce SSA_NAME copies before the store stmt to avoid
40 breaking exception handling.
42 2006-05-04 Jakub Jelinek <jakub@redhat.com>
45 * gimplify.c (omp_is_private): If var is shared in some outer context,
46 return false instead of true. Stop searching on parallel context
49 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
52 * coverage.c: Use get_gcov_unsigned_t() instead of
53 unsigned_type_node all over.
55 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
57 PR tree-optimization/27381
58 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
59 maintain the same immediate_use links.
60 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
61 node rather than segfaulting.
63 2006-05-03 Jakub Jelinek <jakub@redhat.com>
66 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
67 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
68 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
70 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
72 Fix PR tree-optimization/26626
73 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
75 * tree-ssa-operands.c (access_can_touch_variable): Allow
76 typecasting through union pointers.
78 2006-05-02 Jakub Jelinek <jakub@redhat.com>
81 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
82 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
83 to find if var will be a global variable even in the nested context.
84 (omp_copy_decl): Only check for global variable at the end, it might
85 be overridden in outer contexts.
86 (scan_sharing_clauses): For global variables don't create a field.
87 (lower_rec_input_clauses): Do nothing for global shared variables.
88 Emit a barrier at the end of ILIST if there were any decls in both
89 firstprivate and lastprivate clauses.
90 (lower_send_clauses): Do nothing for global variables except for
93 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
95 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
96 of the correct signedness is returned.
98 2006-05-02 Jeff Law <law@redhat.com>
100 PR tree-optimization/27364
101 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
102 multiply expressions.
104 2006-05-02 Tom Tromey <tromey@redhat.com>
106 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
108 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
111 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
112 -mthumb -fPIC are used.
114 2006-05-02 Joshua Kinard <kumba@gentoo.org>
117 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
118 with 64-bit pointers.
120 2006-05-02 Paul Brook <paul@codesourcery.com>
122 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
124 (create_fix_barrier): Check that a suitable barrier location is
126 (arm_reorg): Include ftmp->address in allowable range of addresses.
128 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
131 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
134 2006-05-02 Jakub Jelinek <jakub@redhat.com>
137 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
138 around RESULT_DECL for result passed by reference.
139 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
140 * omp-low.c (use_pointer_for_field): Don't look at
141 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
142 (scan_omp_1): Call remap_decl on RESULT_DECLs.
143 (lower_rec_input_clauses): Don't allocate VLA memory for the second
144 time or var for passing by reference for
145 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
146 TREE_ADDRESSABLE variables when passing by reference.
148 * omp-low.c (dump_omp_region): Fix output formatting.
151 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
152 (expand_omp_parallel): Likewise.
153 * tree-cfg.c (move_sese_region_to_fn): Likewise.
156 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
157 on statement list containing also constructors and destructors.
158 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
161 * except.c (duplicate_eh_regions): Fix clearing of
162 cfun->eh->region_array entries.
164 2006-05-01 DJ Delorie <dj@redhat.com>
166 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
168 (gcc_cv_objdump): Likewise.
169 * configure: Regenerated.
171 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
174 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
175 templates for case 3 and 4.
177 2006-05-01 DJ Delorie <dj@redhat.com>
179 * vec.c: Include bconfig.h when appropriate.
180 * Makefile.in (build/vec.o): Adjust dependencies.
181 * mkconfig.sh: Make sure config.h isn't used for build machine
184 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
186 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
188 (mark_phi_for_rewrite): New function.
189 (insert_phi_nodes_for, mark_use_interesting): Call
190 mark_phi_for_rewrite.
191 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
192 (update_ssa): Initialize and free phis_to_rewrite.
194 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
196 PR rtl-optimization/27291
197 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
198 folded to a constant.
200 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
202 PR tree-optimization/27283
203 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
204 not whole # of iteration descriptions.
205 (niter_for_exit): Return just # of iterations. Fail if # of iterations
206 uses abnormal ssa name.
207 (niter_for_single_dom_exit): Ditto.
208 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
209 return just the number of iterations.
211 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
213 PR tree-optimization/27144
214 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
215 (record_estimate): Only record constant upper bound.
216 (infer_loop_bounds_from_undefined): Call
217 compute_estimated_nb_iterations just once.
218 (proved_non_wrapping_p): Renamed to ...
219 (n_of_executions_at_most): ... this. Expect bound to be a constant.
220 (convert_step_widening, scev_probably_wraps_p): Call
221 n_of_executions_at_most instead of proved_non_wrapping_p.
222 (substitute_in_loop_info): Do not replace values in bounds.
223 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
226 2006-05-01 Richard Henderson <rth@redhat.com>
229 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
230 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
233 2006-05-01 Roger Sayle <roger@eyesopen.com>
235 * c-typeck.c (parser_build_binary_op): Don't call the function
236 unsigned_conversion_warning to spot operand/result type overflow.
237 (build_binary_op): Instead, call convert_and_check instead of
238 convert to report the problem when the operands are promoted.
239 * c-common.c (unsigned_conversion_warning): Make static.
240 * c-common.h (unsigned_conversion_warning): Delete prototype.
242 2006-05-01 Richard Guenther <rguenther@suse.de>
244 PR tree-optimization/26726
245 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
247 (find_interesting_uses_address): ... we work around here
248 by folding INDIRECT_REFs in the substituted base.
250 2006-05-01 Diego Novillo <dnovillo@redhat.com>
252 * omp-low.c (dump_omp_region): Add newlines.
254 2006-04-30 Roger Sayle <roger@eyesopen.com>
256 * common.opt (Woverflow): New command line option.
257 * c-common.c (constant_expression_warning): Check warn_overflow.
258 (overflow_waring): Pass OPT_Woverflow to warning.
259 (unsigned_conversion_warning): Likewise.
260 (convert_and_check): Likewise.
261 * doc/invoke.texi: Document new command line option.
263 2006-04-30 David Edelsohn <edelsohn@gnu.org>
265 * config/rs6000/rs6000.c (rs6000_override_options): Enable
266 TARGET_NO_FP_IN_TOC for section anchors.
267 (optimization_options): Enable section anchors for all
268 non-"Objective" languages.
270 2006-04-28 Eric Christopher <echristo@apple.com>
272 * config/darwin-c.c (darwin_ms_struct): Move this
273 (darwin_set_default_type_attributes): and this...
274 * config/darwin.c: ... here.
275 * config/darwin.h (darwin_ms_struct): Declare.
277 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
279 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
281 2006-04-28 Roger Sayle <roger@eyesopen.com>
284 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
285 (push_array_bounds): Delete prototype. Change BOUNDS argument to
286 an unsigned HOST_WIDE_INT.
287 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
289 (really_start_incremental_init): No need to call convert because
290 bitsize_zero_node is already of type bitsizetype.
291 (push_init_level): Extract the value of constructor_index as an
292 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
293 (process_init_element): Likewise.
295 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
297 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
298 value before passing to make_relative_prefix.
300 2006-04-28 Alan Modra <amodra@bigpond.net.au>
303 * builtins.c (expand_builtin_memset): Expand val in original mode.
305 2006-04-27 Eric Christopher <echristo@apple.com>
307 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
309 * config/darwin-c.c (darwin_ms_struct): New.
310 (darwin_pragma_ms_struct): Ditto.
311 (darwin_set_default_type_attributes): Ditto.
312 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
313 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
314 Register ms_struct pragma.
315 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
316 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
317 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
318 darwin_set_default_type_attributes if TARGET_MACHO.
320 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
322 PR tree-optimization/26854
323 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
324 * doc/tree-ssa.texi: Update immuse iterator documentation.
325 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
326 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
327 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
328 first_safe_imm_use, next_safe_imm_use): Remove.
329 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
330 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
331 (move_use_after_head): New. Helper function to sort immuses in a stmt.
332 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
333 (first_imm_use_stmt): New. Get first stmt in an immuse list.
334 (next_imm_use_stmt): New. Get next stmt in an immuse list.
335 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
336 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
337 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
338 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
339 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
340 (perfect_nestify): Use new iterator.
341 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
343 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
344 (next_imm_name): New field in struct immediate_use_iterator_d.
345 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
346 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
347 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
348 * tree-cfg.c (replace_uses_by): Use new iterator.
349 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
350 * tree-ssa-operands.c (correct_use_link): Remove.
351 (finalize_ssa_use_ops): No longer call correct_use_link.
353 2006-04-27 Stuart Hastings <stuart@apple.com>
355 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
356 * config/t-darwin (crt3.o): Use it.
357 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
358 'pmode', use Pmode instead of SImode for SYMBOL_REF.
359 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
360 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
361 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
364 2006-04-27 Roger Sayle <roger@eyesopen.com>
366 * expmed.c (store_fixed_bit_field): If we're not optimizing for
367 size, force the intermediate into a new pseudo rather instead of
368 performing both a bitwise AND and a bitwise IOR in memory.
370 2006-04-27 Richard Guenther <rguenther@suse.de>
372 PR rtl-optimization/26685
373 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
374 this one "max-flow-memory-locations".
376 2006-04-27 Richard Guenther <rguenther@suse.de>
378 PR tree-optimization/25148
379 * tree-vrp.c (compare_values): Remove code dealing with
380 comparisons against type min/max value. Honour overflow
381 and negative constants in code dealing with comparisons
382 of plus and minus expressions.
383 (value_inside_range): Use fold_binary with LE_EXPR and
384 GE_EXPR rather than compare_values.
386 2006-04-27 Dirk Mueller <dmueller@suse.de>
388 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
391 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
393 * basic-block.h (safe_insert_insn_on_edge): Removed.
394 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
397 2006-04-26 David Edelsohn <edelsohn@gnu.org>
398 Paolo Bonzini <bonzini@gnu.org>
401 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
402 (simplify_and_const_int): Same.
404 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
406 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
408 2006-04-26 Jakub Jelinek <jakub@redhat.com>
411 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
412 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
413 cgraph_global_info_ready.
416 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
419 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
420 either decl or init is error_mark_node.
423 * tree-flow.h (struct omp_region): Add sched_kind.
424 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
425 instead of extracting omp for data.
426 (expand_omp_for): Save extracted sched_kind.
428 2006-04-25 Roger Sayle <roger@eyesopen.com>
430 * expmed.c (store_bit_field): Also check whether the bitsize is
431 valid for the machine's "insv" instruction before moving the
432 target into a pseudo for use with the insv.
433 * config/i386/predicates.md (const8_operand): New predicate.
434 * config/i386/i386.md (extv, extzv, insv): Use the new
435 const8_operand predicate where appropriate.
437 2006-04-25 DJ Delorie <dj@redhat.com>
439 * doc/install.texi (Specific): Clarify that this is not a list of
440 supported hosts or targets.
442 2006-04-25 Richard Sandiford <richard@codesourcery.com>
444 PR rtl-optimization/26725
445 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
446 block's BB_DIRTY flag.
448 2006-04-25 Geoffrey Keating <geoffk@apple.com>
450 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
453 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
456 2006-04-25 David Edelsohn <edelsohn@gnu.org>
458 * varasm.c (align_variable): New function.
459 (get_block_for_decl): Apply align_variable to DECL before
460 calculating section information.
461 (assemble_variable): Split out alignment computation.
463 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
465 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
468 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
470 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
471 MODE_PARTIAL_INT mode.
472 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
473 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
475 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
476 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
478 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
480 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
482 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
483 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
484 MACFLAG_IH): Likewise.
485 (movstricthi_1): Renamed from "*movstricthi".
486 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
487 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
488 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
489 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
490 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
491 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
492 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
493 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
494 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
495 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
496 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
497 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
498 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
499 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
500 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
502 * doc/rtl.texi (ss_ashift): Improve wording.
504 2006-04-24 Geoffrey Keating <geoffk@apple.com>
506 * dwarf2out.c (verify_marks_clear): New.
507 (prune_unused_types): Call verify_marks_clear initially, not
510 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
512 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
513 * doc/rtl.texi: Document them.
514 * simplify-rtx.c (simplify_unary_operation,
515 simplify_binary_operation_1): Don't abort when we see them.
517 2006-04-24 Mark Mitchell <mark@codesourcery.com>
520 2006-04-23 Mark Mitchell <mark@codesourcery.com>
521 * configure.ac: Completely disregard languages that are not
523 * configure: Regenerated.
525 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
526 Richard Guenther <rguenther@suse.de>
528 PR tree-optimization/27236
529 * tree-inline.c (copy_body_r): Make sure to copy
530 TREE_THIS_VOLATILE flag.
532 2006-04-24 Richard Guenther <rguenther@suse.de>
535 * tree-complex.c (update_parameter_components): Don't handle
536 unused parameters which have no default def.
538 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
539 Richard Guenther <rguenther@suse.de>
541 PR tree-optimization/27218
542 * tree-inline.c (expand_call_inline): Strip useless type
543 conversions for the return slot address.
545 2006-04-24 Richard Guenther <rguenther@suse.de>
547 * cfgloop.h (struct loops): Remove unused field array. Reorder
549 (LOOP_PREFETCH): Remove.
551 2006-04-24 Richard Guenther <rguenther@suse.de>
553 PR tree-optimization/22525
554 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
555 variable, adjust types of generated expressions.
557 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
559 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
560 (tree-vect-patterns.o): Likewise.
562 (cselib.o): Likewise.
563 (loop-doloop.o): Likewise.
564 (regclass.o): Likewise.
565 (reload1.o): Likewise.
566 (explow.o): Replace target.h with $(TARGET_H).
567 (ipa-prop.o): Likewise.
568 (ipa-cp.o): Likewise.
569 (ipa-inline.o): Likewise.
571 (reg-stack.o): Likewise.
573 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
575 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
577 2006-04-23 Mark Mitchell <mark@codesourcery.com>
579 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
581 * configure.ac: Completely disregard languages that are not
583 * configure: Regenerated.
586 * c-common.h (c_build_bitfield_integer_type): Declare.
587 * c-decl.c (c_build_bitfield_integer_type): Move to ...
588 * c-common.c (c_build_bitfield_integer_type): ... here.
590 2006-04-23 Roger Sayle <roger@eyesopen.com>
593 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
594 a SImode SUBREG of a floating point register after no_new_pseudos.
596 2006-04-23 Roger Sayle <roger@eyesopen.com>
598 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
599 identify potentially eliminable registers to additionally catch
600 VIRTUAL_INCOMING_ARGS_REGNUM.
601 (addsi3): Update the conditions on when to use addsi_small_int.
603 2006-04-23 Roger Sayle <roger@eyesopen.com>
606 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
607 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
608 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
610 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
612 * fold-const.c (range_predecessor): Use operand_equal_p
613 as the predicate for equality.
614 (range_successor): Likewise.
616 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
619 * config/soft-fp/op-common.h: Fix a typo.
621 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
624 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
625 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
627 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
629 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
631 * doc/tm.texi: Fix a typo.
633 2006-04-21 Geoffrey Keating <geoffk@apple.com>
635 * dwarf2out.c (struct die_struct): Document that die_sib makes
636 a circular linked list.
637 (FOR_EACH_CHILD): New.
638 (reverse_die_lists): Delete.
639 (reverse_all_dies): Delete.
640 (add_dwarf_attr): Correct documentation.
641 (remove_child_with_prev): New.
642 (remove_child_TAG): Update for change to die_struct, use
643 remove_child_with_prev.
644 (add_child_die): Update for change to die_struct.
645 (splice_child_die): Use remove_child_with_prev and add_child_die.
646 (print_die): Use FOR_EACH_CHILD.
647 (die_checksum): Likewise.
648 (assign_symbol_names): Likewise.
649 (output_location_lists): Likewise.
650 (build_abbrev_table): Likewise.
651 (calc_die_sizes): Likewise.
652 (mark_dies): Likewise.
653 (unmark_dies): Likewise.
654 (unmark_all_dies): Likewise.
655 (output_die): Likewise.
656 (prune_unused_types_mark): Likewise.
657 (prune_unused_types_walk): Likewise.
658 (same_die_p): Update for change to die_struct.
659 (break_out_includes): Likewise.
660 (prune_unused_types_prune): Likewise.
661 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
662 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
664 (dwarf2out_finish): Don't call reverse_all_dies.
666 2006-04-21 Eric Christopher <echristo@apple.com>
668 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
669 in comments and function names.
671 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
674 * c-typeck.c (digest_init): Robustify.
676 * c-typeck.c (pop_init_level): Simplify.
678 2006-04-21 Steve Ellcey <sje@cup.hp.com>
680 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
682 2006-04-21 Paul Brook <paul@codesourcery.com>
684 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
685 hardware floating point.
687 2006-04-21 David Edelsohn <edelsohn@gnu.org>
689 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
692 2006-04-21 Nick Clifton <nickc@redhat.com>
694 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
697 2006-04-21 Alan Modra <amodra@bigpond.net.au>
700 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
701 C++ lang type in traceback table for Objective-C++.
703 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
705 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
707 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
709 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
712 * tree-mudflap.c (mudflap_finish_file): Skip function when there
713 were errors. Remove check for erroneous objects.
715 2006-04-20 Jeff Law <law@redhat.com>
717 PR tree-optimization/26854
718 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
719 checking for zero or one use.
720 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
721 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
722 * tree-ssa-reassoc.c (negate_value): Similarly.
723 (reassociate_bb): Similarly.
725 2006-04-20 Jakub Jelinek <jakub@redhat.com>
727 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
728 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
729 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
731 2006-04-20 Alan Modra <amodra@bigpond.net.au>
733 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
734 fp regs if the last fp arg doesn't fit in regs.
736 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
739 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
740 that the last insn has the REG_INC note.
742 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
743 Nathan Sidwell <nathan@codesourcery.com>
746 * stor-layout.c (update_alignment_for_field): Do not align
748 (place_union_field): Place union field at the start of the union.
749 (place_field): Move ERROR_MARK check later, and use the current
750 allocation position to maintain monotonicity.
752 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
754 * dominance.c: Include timevar.h.
755 (calculate_dominance_info): Use TV_DOMINANCE.
756 * timevar.def (TV_DOMINANCE): New timevar.
757 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
759 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
761 PR rtl-optimization/14261
762 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
763 move would be an INSV insn.
764 (noce_process_if_block): Don't optimize if the destination is a
765 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
767 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
769 * config/s390/s390.md: Add comments with the instructions emitted
770 by an insn pattern if macros are used.
772 2006-04-19 Alan Modra <amodra@bigpond.net.au>
774 PR rtl-optimization/26026
775 * fold-const.c (fold_binary): Optimize div and mod where the divisor
776 is a known power of two shifted left a variable amount.
778 2006-04-18 Geoffrey Keating <geoffk@apple.com>
780 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
781 to hash table twice when the debug_str section has SECTION_MERGE.
783 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
785 * config/soft-fp: New directory. From glibc.
786 * config/soft-fp/t-softfp: New.
787 * config/soft-fp/README: New.
788 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
789 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
790 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
791 (LIBGCC_DEPS): Add $(SFP_MACHINE).
792 * config.gcc: Use rs6000/t-fprules-fpbit or
793 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
795 * config/rs6000/sfp-machine.h: New. Based on glibc.
796 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
798 * config/rs6000/t-fprules: Remove fp-bit rules.
799 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
800 * config/rs6000/t-linux64: Likewise. Remove duplicates from
801 LIB2FUNCS_EXTRA. Remove fp-bit rules.
802 (softfp_wrap_start, softfp_wrap_end): New.
804 2006-04-18 DJ Delorie <dj@redhat.com>
806 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
808 2006-04-18 Devang Patel <dpatel@apple.com>
810 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
812 2006-04-18 Nick Clifton <nickc@redhat.com>
814 * config/sh/t-symbian: Add rule to build sh-c.o
815 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
816 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
817 (sh_symbian_encode_section_info): Likewise.
819 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
821 * builtins.c (expand_builtin_strcmp): Cover label definition of
822 do_libcall with HAVE_cmpstrnsi.
824 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
826 * function.c (temp_slots_at_level, max_slot_level): Use VEC
828 * function.h (temp_slot_p): New.
829 (function): Change the type of x_used_temp_slots to
830 VEC(temp_slot_p,gc) *.
832 2006-04-18 Nick Clifton <nickc@redhat.com>
834 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
835 flag_strength_reduce.
837 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
839 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
843 Partial revert of revision 112637
844 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
845 Dale Johannesen <dalej@apple.com>
848 * regclass.c (struct reg_pref): Update documentation.
849 (regclass): Set prefclass to NO_REGS if memory is the best option.
850 (record_reg_classes): Cope with a prefclass set to NO_REGS.
852 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
854 PR tree-optimization/26821
855 * tree-ssa-math-opts.c (get_constant_one): New.
856 (insert_reciprocals): Use it.
858 2006-04-17 Geoffrey Keating <geoffk@apple.com>
860 * dwarf2out.c (free_AT): Delete.
861 (remove_AT): Update string ref counts.
862 (remove_child_TAG): Don't call free_die.
864 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
866 (prune_unused_types_walk_attribs): Reset string refcounts.
867 (prune_unused_types_update_strings): New.
868 (prune_unused_types_prune): Don't make unnecessary stores. Don't
869 call free_die. Do call prune_unused_types_update_strings.
870 (prune_unused_types): Empty debug_str_hash.
872 2006-04-17 Roger Sayle <roger@eyesopen.com>
874 * expr.c (expand_assignment): Optimize away no-op moves where the
875 source and destination are equal and have no side-effects.
877 2006-04-17 Richard Guenther <rguenther@suse.de>
880 * reload.c (push_reload): Guard calls to get_secondary_mem
883 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
885 * alias.c (reg_base_value, old_reg_base_value): Change the
886 type to VEC(rtx,gc) *.
887 (REG_BASE_VALUE, find_base_value, record_set,
888 init_alias_analysis): Use VEC instead of VARRAY.
890 * alias.c (alias_sets): Change the type to
891 VEC(alias_set_entry,gc) *.
892 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
893 VEC instead of VARRAY.
894 (last_alias_set): Remove.
896 * cgraph.h (cgraph_edge_p): New.
897 Update the prototype of cgraph_function_versioning.
898 * cgraphunit.c (cgraph_copy_node_for_versioning,
899 cgraph_function_versioning): Use VEC instead of VARRAY.
900 * ipa-cp.c (ipcp_insert_stage): Likewise.
902 2006-04-16 Roger Sayle <roger@eyesopen.com>
905 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
906 "A op B" or "A op C", we may need to convert A to the type of B and C.
908 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
910 * target.h (struct gcc_target): Add mode_rep_extended.
911 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
912 (init_num_sign_bit_copies_in_rep): Initialize it using
914 (truncate_to_mode): Use it.
915 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
916 * targhooks.h (default_mode_rep_extended): Declare it.
917 * targhooks.c (default_mode_rep_extended): Define it.
918 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
919 default_mode_rep_extended.
920 (TARGET_INITIALIZER): Include it.
921 * doc/tm.texi (Misc): Document it.
922 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
923 (mips_truncated_to_mode): New function.
925 2006-04-16 Roger Sayle <roger@eyesopen.com>
928 * expr.c (compress_float_constant): Copy the narrow constant into
929 a new pseudo before extending it to its final width.
931 2006-04-16 Roger Sayle <roger@eyesopen.com>
932 Andrew Pinski <pinskia@gcc.gnu.org>
933 Dale Johannesen <dalej@apple.com>
936 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
937 special case code to implement V8HImode and V16QImode with SSE2.
939 2006-04-15 Roger Sayle <roger@eyesopen.com>
941 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
942 trees are constructed with a suitable tree type.
944 2006-04-15 Roger Sayle <roger@eyesopen.com>
946 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
947 (integer_onep): Likewise.
948 (integer_all_onesp): Likewise.
949 (integer_pow2p): Likewise.
950 (integer_nonzerop): Likewise.
951 (real_zerop): Likewise.
952 (real_onep): Likewise.
953 (real_twop): Likewise.
954 (real_minus_onep): Likewise.
955 (int_size_in_bytes): Likewise.
956 (host_integerp): Likewise.
958 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
960 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
961 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
962 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
964 * tree-ssa-structalias.h (alias_info): Remove num_references.
966 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
968 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
969 (output_bvb patterns): Likewise.
970 * pa.c (output_bb): Use 'bb' insn for long branch case.
971 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
972 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
973 1. Correct length operand for alternatives 1 and 2.
974 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
975 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
977 2006-04-14 Roger Sayle <roger@eyesopen.com>
979 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
980 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
981 were accidentally reverted by r112959.
983 2006-04-15 Jakub Jelinek <jakub@redhat.com>
986 * except.h (eh_region_outermost): New prototype.
987 * except.c (eh_region_outermost): New function.
988 * tree-cfg.c (find_outermost_region_in_block): Use it.
990 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
992 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
994 * reload1.c (reg_equiv_memory_loc_varray): Rename to
995 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
996 (init_reload, reload): Use VEC instead of VARRAY.
997 * reload.h: Update the prototype for
998 reg_equiv_memory_loc_varray.
1000 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1001 Eric Botcazou <ebotcazou@libertysurf.fr>
1003 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1006 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1009 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1010 to expand fallback builtin function call.
1012 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1015 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1016 and emit libcall here in case the builtin fails.
1017 (expand_builtin_strcmp): Always emit the libcall here on failure.
1019 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1021 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1022 * flow.c (reg_n_info): Change the type to
1023 VEC(reg_info_p,heap) *.
1024 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1026 * regs.h (reg_info_p): New.
1027 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1028 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1029 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1032 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1034 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1036 * params.h (MAX_SCHED_READY_INSNS): New macro.
1037 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1038 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1039 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1040 the ready list for 1 cycle during the first scheduling pass.
1041 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1043 2006-04-13 Richard Henderson <rth@redhat.com>
1046 * gimple-low.c (lower_omp_directive): Remove dead code.
1047 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1048 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1049 * omp-low.c (struct omp_region): Move to tree-flow.h.
1050 (root_omp_region): Export.
1051 (omp_regions, lookup_omp_region): Remove.
1052 (determine_parallel_type): Update for struct omp_region changes.
1053 (dump_omp_region): Dump regions with block numbers.
1054 (new_omp_region): Take type and block instead of stmt; malloc
1056 (free_omp_region_1, free_omp_regions): New.
1057 (expand_parallel_call): Take entry_stmt as argument; update for
1058 changes to omp_region.
1059 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1060 (remove_exit_barriers): New.
1061 (expand_omp_parallel): Update for struct omp_region changes.
1062 (expand_omp_synch): Likewise.
1063 (expand_omp): Likewise.
1064 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1065 (expand_omp_for_static_chunk): Likewise.
1066 (expand_omp_for): Likewise.
1067 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1068 (expand_omp_sections): Similarly, with GOMP_sections_end.
1069 (expand_omp_single): New.
1070 (build_omp_regions_1): Update for OMP_CONTINUE.
1071 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1072 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1073 OMP_SECTIONS_SECTIONS.
1074 (lower_omp_single_simple): Don't emit barrier here.
1075 (lower_omp_single_copy): Likewise.
1076 (lower_omp_single): Fix bindings, and lower to straightline now.
1077 (lower_omp_master, lower_omp_ordered): Likewise.
1078 (lower_omp_critical): Likewise.
1079 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1080 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1081 omp edges, free it afterward.
1082 (make_omp_sections_edges): Remove.
1083 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1084 (move_stmt_r): Handle OMP_CONTINUE.
1085 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1086 statement pointers to basic blocks. Add type member.
1087 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1088 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1089 * tree-inline.c (estimate_num_insns_1): Likewise.
1090 * tree-pretty-print.c (dump_generic_node): Likewise.
1091 * tree-ssa-operands.c (get_expr_operands): Likewise.
1092 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1093 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1094 (OMP_CONTINUE): New.
1095 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1096 (OMP_SECTIONS_SECTIONS): Remove.
1097 (OMP_SECTION_LAST): New.
1098 (OMP_RETURN_NOWAIT): New.
1100 2006-04-13 Roger Sayle <roger@eyesopen.com>
1102 * fold-const.c (native_encode_vector, native_interpret_real):
1103 Correct obvious mistakes in the previous check-in.
1105 2006-04-13 Roger Sayle <roger@eyesopen.com>
1107 * fold-const.c (native_encode_expr): New function to encode
1108 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1109 or VECTOR_CST into a specified buffer.
1110 (native_encode_int): New function.
1111 (native_encode_real): New function.
1112 (native_encode_complex): New function.
1113 (native_encode_vector): New function.
1114 (native_interpret_expr): Inverse of native_encode_expr to convert
1115 a target representation into an INTEGER_CST, REAL_CST etc...
1116 (native_interpret_int): New function.
1117 (native_interpret_real): New function.
1118 (native_interpret_complex): New function.
1119 (native_interpret_vector): New function.
1120 (fold_view_convert_expr): New function to constant fold/evaluate
1121 a VIEW_CONVERT_EXPR of a suitable constant expression.
1122 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1123 Change call of build1 to fold_build1 when constructing a
1126 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1127 Ulrich Weigand <uweigand@de.ibm.com>
1130 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1133 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1136 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1137 optimize to lo_sum for DFmode if !TARGET_FPRS.
1139 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1141 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1142 delete_alias_info, compute_flow_sensitive_aliasing,
1143 group_aliases): Use VEC instead of VARRAY.
1144 * tree-ssa-structalias.c (update_alias_info): Likewise.
1145 * tree-ssa-structalias.h (alias_info): Change the type of
1146 processed_ptrs to VEC(tree,heap) *.
1148 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1151 * config/sh/lib1funcs.h: New file, broken out of:
1152 * config/sh/lib1funcs.asm.
1153 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1155 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1156 * config/sh/lib1funcs-Os-4-200.asm: New file.
1157 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1158 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1159 (EXTRA_MULTILIB_PARTS): Include it.
1160 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1161 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1162 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1163 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1166 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1168 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1169 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1170 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1172 * tree-ssa-live.h: Include vecprim.h.
1173 (tree_partition_associator_d): Change the type of
1174 first_partition to VEC(int,heap) *.
1175 (tpa_first_partition): Use VEC instead of VARRAY.
1177 * Makefile.in (GTFILES): Move functions.h after tree.h.
1178 * function.c (reset_block_changes, record_block_change,
1179 check_block_change, free_block_changes): Use VEC instead of
1181 * function.h (function): Change the type of
1182 ib_boundaries_block to VEC(tree,gc) *.
1183 * tree-inline.c (copy_cfg_body): Initialize
1184 ib_boundaries_block to NULL instead of (varray_type) 0.
1186 2006-04-12 Roger Sayle <roger@eyesopen.com>
1188 * expr.c (emit_group_store): Correct operand order in call to
1189 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1190 a SUBREG_BYTE of zero.
1192 2006-04-12 Richard Guenther <rguenther@suse.de>
1194 * profile.c (compute_branch_probabilities): Remove code
1195 encapsulated in !ir_type (), which are remanents of the
1196 removed RTL profiling code.
1197 * rtl-profile.c: Remove.
1199 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1201 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1202 magic NULL_RTX comment.
1203 (function_arg): Store entire fp arg to mem if any part should go
1205 (rs6000_arg_partial_bytes): Adjust for above change.
1207 2006-04-11 Roger Sayle <roger@eyesopen.com>
1209 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1210 if it hasn't been initialized by dwarf2out_init.
1212 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1214 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1215 symbolic constants in branch patterns.
1217 2006-04-11 Roger Sayle <roger@eyesopen.com>
1219 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1221 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1223 PR rtl-optimization/27073
1224 * gcse.c (try_replace_reg): Revert last change. Continue to search
1225 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1228 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1230 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1231 aggregate types other than record and union types.
1232 (function_arg): Likewise.
1233 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1235 (function_value): In 64-bit mode, return objects that require it
1238 2006-04-11 Roger Sayle <roger@eyesopen.com>
1240 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1242 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1244 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1246 2006-04-03 Jeff Law <law@redhat.com>
1249 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1250 alias information too.
1252 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1254 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1256 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1259 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1260 (premark_used_types_helper): New.
1261 (premark_used_types): New.
1262 (gen_subprogram_die): Call premark_used_types.
1263 (prune_unused_types_walk): Do not prune perennial dies.
1264 * function.c (used_types_insert): New.
1265 * function.h (struct function): Add used_types_hash field.
1266 (used_types_insert): Add prototype.
1267 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1268 * c-parser.c (c_parser_cast_expression): Save casted types in used
1271 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1274 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1275 rs6000_explicit_options.float_gprs.
1277 2006-04-10 Roger Sayle <roger@eyesopen.com>
1279 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1280 from ix86_expand_vector_init_low_nonzero. Take an additional
1281 one_var argument indicating which element is non-zero. Support
1282 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1283 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1284 with one_var instead of ix86_expand_vector_init_low_nonzero.
1286 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1288 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1289 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1290 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1291 build/genextract.o): Depend on vecprim.h.
1292 * cfglayout.c, df-problems.c, function.c, genextract.c,
1293 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1294 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1298 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1300 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1301 Declare VECs of this type.
1302 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1303 (remove_children): Delete.
1304 (add_dwarf_attr): Use VEC routines.
1305 (add_AT_flag): Update for changes to add_dwarf_attr.
1306 (add_AT_int): Likewise.
1307 (add_AT_unsigned): Likewise.
1308 (add_AT_long_long): Likewise.
1309 (add_AT_vec): Likewise.
1310 (add_AT_string): Likewise.
1311 (add_AT_die_ref): Likewise.
1312 (add_AT_fde_ref): Likewise.
1313 (add_AT_loc): Likewise.
1314 (add_AT_loc_list): Likewise.
1315 (add_AT_addr): Likewise.
1316 (add_AT_lbl_id): Likewise.
1317 (add_AT_lineptr): Likewise.
1318 (add_AT_macptr): Likewise.
1319 (add_AT_offset): Likewise.
1320 (add_AT_range_list): Likewise.
1321 (get_AT): Use VEC_iterate.
1322 (remove_AT): Use VEC_ordered_remove.
1323 (free_die): Fold remove_children into here; have it use VEC_iterate.
1324 (print_die): Use VEC_iterate on attrs.
1325 (reverse_die_lists): Don't reverse attr lists.
1326 (die_checksum): Use VEC_iterate on attrs.
1327 (same_die_p): Likewise.
1328 (output_location_lists): Likewise.
1329 (build_abbrev_table): Likewise.
1330 (size_of_die): Likewise.
1331 (unmark_all_dies): Likewise.
1332 (output_abbrev_section): Likewise.
1333 (output_die): Likewise.
1334 (prune_unused_types_walk_attribs): Likewise.
1336 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1338 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1340 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1343 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1345 2006-04-09 Roger Sayle <roger@eyesopen.com>
1347 * expr.c (store_constructor): Don't bother clearing target if
1348 we're about to assign a vector to it using vec_init_optab.
1350 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1352 * tree-ssa-alias.c (lhs_may_store_to): New function.
1353 (recalculate_used_alone): Handle LHS of calls.
1355 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1359 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1360 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1361 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1362 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1363 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1364 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1365 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1366 stubs. Add ".align 8" directives before all ".dword" directives.
1367 (GTHREAD_USE_WEAK): Revise comment.
1368 (TARGET_ATTRIBUTE_WEAK): Define.
1369 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1370 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1371 * stublib.c: New file.
1376 * pa.md (cbranch patterns): Revise arguments used in calls to
1377 output_cbranch, output_bb and output_bvd. Add long branch length
1379 (fbranch patterns): Handle long branches.
1380 (jump): Revise length check. Revise arguments for output_lbranch call.
1381 Add long branch length attributes.
1382 (decrement_and_branch_until_zero): Add long branch length attributes.
1383 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1384 Likewise. Revise arguments for output_parallel_addb and
1385 output_parallel_movb calls.
1386 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1387 output_parallel_movb and output_parallel_addb): Update prototypes.
1388 * pa.c (output_cbranch): Revise arguments. Correct handling of
1389 nullification in long branches.
1390 (output_lbranch): Add new argument to control extraction of delay
1392 (output_bb): Handle long branches.
1393 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1394 output_parallel_addb): Likewise.
1396 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1398 PR rtl-optimization/27073
1399 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1402 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1404 * tree.h (tree_memory_tag): Add old_used_alone.
1405 (SMT_OLD_USED_ALONE): New macro.
1406 * tree-ssa-alias.c (recalculate_used_alone): Stop
1407 marking things for renaming unnecessarily.
1409 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1411 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1412 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1413 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1414 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1415 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1416 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1417 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1418 spelling convensions.
1419 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1420 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1421 typos. Follow spelling conventions.
1423 2006-04-07 DJ Delorie <dj@redhat.com>
1425 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1426 passed on the stack.
1427 (m32c_init_cumulative_args): When a function returns a structure,
1428 always pass the pointer to that return area on the stack.
1429 (m32c_function_arg_advance): Don't increment the parameter number
1430 if we're processing the returned structure pointer.
1431 (pushm_info): Reverse order of registers.
1433 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1435 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1436 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1437 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1438 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1440 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1441 chrec_fold_multiply): Same.
1442 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1443 force_expr_to_var_cost): Same.
1444 * tree-mudflap.c (mf_xform_derefs_1): Same.
1445 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1447 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1449 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1450 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1453 2006-04-07 Jan Hubicka <jh@suse.cz>
1455 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1457 2006-04-07 Richard Guenther <rguenther@suse.de>
1459 PR tree-optimization/26135
1460 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1461 loads for store copy-prop.
1462 (copy_prop_visit_stmt): Likewise.
1464 2006-04-05 Robert Millan <robertmh@gnu.org>
1466 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1467 being overriden in config/k*bsd-gnu.h.
1468 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1470 * gcc/config/knetbsd-gnu.h: Ditto.
1472 2006-04-06 Jan Hubicka <jh@suse.cz>
1476 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1479 2006-04-06 Mike Stump <mrs@apple.com>
1481 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1482 for HAVE_nonlocal_goto to be consistent.
1483 (expand_builtin_nonlocal_goto): Likewise.
1484 (expand_builtin_strcmp): Use #ifdef instead of #if
1485 for HAVE_cmpstrnsi to be consistent.
1487 2006-04-05 DJ Delorie <dj@redhat.com>
1489 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1492 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1494 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1495 got-relative addressing for anything but SImode.
1497 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1498 even if the calling function doesn't modify them.
1500 2006-04-05 Richard Guenther <rguenther@suse.de>
1502 PR tree-optimization/26919
1503 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1504 to cgraph_estimate_size_after_inlining.
1506 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1508 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1510 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1512 PR tree-optimization/26996
1513 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1514 VECTOR_TYPE variables.
1516 2006-04-05 Richard Guenther <rguenther@suse.de>
1518 PR tree-optimization/26763
1519 * fold-const.c (fold_comparison): Move folding of
1520 PTR + CST CMP PTR + CST ...
1521 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1523 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1525 * doc/install.texi (Prerequisites): Refine some wording on
1526 bootstrapping and ksh.
1527 Move the version numbers of DejaGnu here from the testing section
1528 and fix casing of names.
1529 Fix markup and clarify wording for autogen requirements.
1530 Refer to GCJ instead of just java.
1531 Refer to SVN instead of CVS.
1532 Describe diffutils as useful instead of necessary.
1533 (Downloading the source): Refer to SVN instead of CVS.
1534 Adjust a link to our web site accordingly.
1535 (Configuration): Fix casing of Bison.
1536 (Building): Refer to SVN instead of CVS.
1537 Fix a sentence on the use of Bison and remove duplicate (and
1538 incorrect) version number of Bison requirement.
1539 Remove one redundant list of packages needed for building.
1540 (Specific): Avoid reference to CVS.
1542 2006-04-04 Eric Christopher <echristo@apple.com>
1544 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1545 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1546 (rs6000_handle_struct_attribute): New.
1547 (rs6000_ms_bitfield_layout_p): Ditto.
1549 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1551 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1552 NULL for dso parameter to atexit_common.
1554 2006-04-04 Eric Christopher <echristo@apple.com>
1556 * config/i386/i386.c (machopic_output_stub): Output \t
1557 between instructions and operands.
1559 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1561 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1562 satisfies_constraint_[IL] to explicit tests on value.
1564 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1566 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1567 set_nb_iterations_in_loop): Use build_int_cst instead of
1569 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1570 build_int_cst instead of convert.
1572 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1574 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1575 new value 2 for incoming.
1576 * function.c (expand_function_start): Call struct_value_rtx
1578 * config/sparc/sparc.md: Comment updated_return.
1579 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1580 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1581 struct return if sparc_std_struct_return and incoming is 2.
1582 (print_operand): Do not adjust return if
1583 sparc_std_struct_return.
1585 2006-04-04 Roger Sayle <roger@eyesopen.com>
1587 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1588 convert in the middle-end.
1589 * expr.c (store_expr, store_constructor, get_inner_reference,
1590 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1592 * tree.c (build_range_type): Likewise.
1594 2006-04-04 Tom Tromey <tromey@redhat.com>
1596 * doc/install.texi (Prerequisites): Mention jar.
1598 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1600 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1603 2006-04-04 Matthias Klose <doko@debian.org>
1605 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1606 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1609 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1611 * doc/extend.texi (Function Attributes): Rewrite visibility
1612 attribute documentation.
1613 * doc/invoke.texi (C++ Dialect Options): Rewrite
1614 -fvisibility-inlines-hidden documentation to describe something
1615 entirely different, although in practise compatible.
1616 (Code Gen Options): Warn about system headers in -fvisibiltity=
1619 * doc/extend.texi (Other Builtins): Document that
1620 __builtin_nan is a compile-time constant only when its argument
1623 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1625 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1626 trying to remove TRUNCATE check if all bits outside the new mode
1627 are identical to the sign bit.
1629 2006-04-03 Jeff Law <law@redhat.com>
1631 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1632 and operand scanning in some common cases.
1634 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1635 Dale Johannesen <dalej@apple.com>
1638 * regclass.c (struct reg_pref): Update documentation.
1639 (regclass): Set prefclass to NO_REGS if memory is the best option.
1640 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1641 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1642 into account. For non-registers, equate an empty preferred
1643 reload class to a `!' in the constraint; move the if clause to
1644 do so after those that reject the insn.
1645 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1647 (find_dummy_reload): Likewise.
1648 * doc/tm.texi (Register Classes): Document what it means
1649 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1650 * config/i386/i386.c (ix86_preferred_reload_class): Force
1651 using SSE registers (and return NO_REGS for floating-point
1652 constants) if math is done with SSE.
1653 (ix86_preferred_output_reload_class): New.
1654 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1655 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1656 * config/i386/i386.md: Remove # register preferences.
1658 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1661 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1662 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1663 the type of nb_iter.
1664 (instantiate_parameters_1): Convert the operands before calling
1665 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1666 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1668 2006-04-02 Roger Sayle <roger@eyesopen.com>
1670 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1671 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1673 * dojump.c (do_jump): Likewise.
1674 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1675 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1676 gimplify_boolean_expr): Likewise.
1677 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1678 * varasm.c (array_size_for_constructor): Likewise.
1679 * tree-object-size.c (compute_object_offset): Likewise.
1681 2006-04-02 Roger Sayle <roger@eyesopen.com>
1684 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1685 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1687 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1689 PR tree-optimization/26939
1690 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1692 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1694 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1695 at_stmt. Convert the type of operands before calling
1696 build_polynomial_chrec.
1697 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1699 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1700 (instantiate_parameters_1): Convert the type of operands before calling
1701 build_polynomial_chrec.
1702 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1703 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1704 reset_evolution_in_loop): Insert asserts to check the types of the
1706 (chrec_type): Moved...
1707 (eq_evolutions_p): Use operand_equal_p.
1708 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1709 the types of the operands.
1710 (chrec_type): ...here.
1711 * tree-data-ref.c (create_data_ref): Convert the operands before
1712 calling chrec_replace_initial_condition.
1713 (same_access_functions, analyze_subscript_affine_affine,
1714 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1715 (compute_subscript_distance, analyze_ziv_subscript,
1716 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1717 analyze_miv_subscript): Convert the operands before calling
1718 chrec_fold_minus or chrec_fold_plus.
1720 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1722 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1723 the dependence_relations vector.
1724 (compute_data_dependences_for_loop): Adjust call to
1725 compute_all_dependences.
1727 2006-04-01 Roger Sayle <roger@eyesopen.com>
1728 Richard Henderson <rth@redhat.com>
1730 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1731 gimple_boolify on the condition before calling gimplify_expr.
1733 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1735 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1736 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1737 the frame size. Update to use the new macros.
1738 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1739 * config/xtensa/ieee754-df.S: Likewise.
1741 2006-03-31 Richard Henderson <rth@redhat.com>
1743 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1744 (make_edges): ... here. Control fallthru creation with a local
1745 variable. Do not play with fake edges.
1746 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1747 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1750 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1752 * dwarf2.h (DW64_CIE_ID): Define.
1753 * dwarf2out.c (DWARF_CIE_ID): Define.
1754 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1755 length header. Use DWARF_CIE_ID.
1756 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1757 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1759 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1761 * config/sh/linux-atomic.asm: New file.
1762 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1764 2006-03-31 DJ Delorie <dj@redhat.com>
1766 * config/m32c/cond.md: Set condition flags properly throughout.
1767 * config/m32c/minmax.md: Likewise.
1768 * config/m32c/prologue.md: Likewise.
1769 * config/m32c/bitops.md: Likewise.
1770 * config/m32c/muldiv.md: Likewise.
1771 * config/m32c/mov.md: Likewise.
1772 * config/m32c/addsub.md: Likewise.
1773 * config/m32c/m32c.md: Likewise.
1774 * config/m32c/jump.md: Likewise.
1775 * config/m32c/shift.md: Likewise.
1777 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1778 conditionally output the pattern for this.
1779 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1780 (m32c_compare_redundant): New.
1781 (m32c_output_compare): New.
1782 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1784 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1785 dest, not src. Allow other 4-byte modes.
1787 2006-03-30 Denis Chertykov <denisc@overta.ru>
1789 * doc/md.texi: Refer to avr/constraints.md instead of
1792 2006-03-30 Roger Sayle <roger@eyesopen.com>
1794 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1795 signed vs. unsigned comparison failures on some hosts.
1797 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1800 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1801 change to FLOAT_REGS.
1803 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1804 (rs6000_override_options): Use it.
1805 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1806 only for -mabi=spe/no-spe and -mabi=altivec.
1808 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1810 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1813 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1815 * Makefile.in: Rename docdir to gcc_docdir.
1817 2006-03-30 Roger Sayle <roger@eyesopen.com>
1820 * expr.c (emit_group_store): Optimize group stores into a pseudo
1821 register by using a paradoxical subreg to initialize the destination
1822 if the first or last member of the group specifies a "low part".
1824 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1827 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1828 * target.h (struct gcc_target.speculate_insn): Change type of the
1829 second parameter to 'int'.
1830 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1831 the second operand of the DEPS_LIST.
1832 (copy_DEPS_LIST_list): Update reference to the second operand of the
1834 * rtl.h (alloc_DEPS_LIST): Update signature.
1835 * sched-int.h (ds_t): Change typedef to 'int'.
1836 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1838 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1840 * haifa-sched.c (try_ready): Change condition to restore
1841 non-speculative pattern of the instruction.
1842 (process_insn_depend_be_in_spec): Code to keep probability of the
1843 speculative dependence non-decreasing.
1845 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1847 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1848 (single_move_for_movmem): ... this. Also change all uses.
1849 (bfin_expand_strmov): Renamed to...
1850 (bfin_expand_movmem): ... this. Also change all uses.
1851 * config/bfin/bfin.md (movstrsi): Renamed to...
1852 (movstrsi): ...this.
1854 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1856 PR tree-optimization/26830
1858 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1859 (copy_prop_visit_stmt): Remove write-only variable ann.
1860 (init_copy_prop): Check variable loop depth here. Do not simulate
1861 memory-tag and virtual operand PHIs except for store copy prop.
1863 2006-03-30 Richard Guenther <rguenther@suse.de>
1865 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1866 variants with double arguments.
1868 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1870 * genpreds.c (write_tm_constrs_h): Delete variable p.
1871 * genconditions.c (write_header): Add tm-constrs.h to included
1873 * genpeep.c (main): Add toplev.h to included headers.
1874 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1875 (build/genpeep.o): Add toplev.h dependency.
1876 * config/rs6000/constraints.md: Add "W" constraint.
1878 2006-03-29 Roger Sayle <roger@eyesopen.com>
1880 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1881 sizes by correctly testing whether the size fits a host integer.
1882 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1883 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1884 SImode range for the default sizetype and bitsizetype.
1886 2006-03-29 Roger Sayle <roger@eyesopen.com>
1888 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1889 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1890 quickly if the argument is already of the correct type.
1891 Call fold_build1 instead of build1. Tidy up blank lines.
1893 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1895 * genemit.c (main): Add tm-constrs.h to included headers.
1896 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1897 * genpeep.c (main): Add tm-constrs.h to included headers.
1898 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1899 (write_tm_constrs_h): this and write complete file.
1900 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1901 (write_insn_preds_c): Add tm-constrs.h to included headers.
1902 (gen_constrs): New variable.
1903 (parse_option): Parse "-c".
1904 (main): Invoke write_tm_constrs_h.
1905 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1906 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1907 (object_out_file): Add tm-constrs.h dependency.
1908 (insn-emit.o): Same.
1909 (insn-output.o): Same.
1910 (insn-peep.o): Same.
1911 (insn-preds.o): Same.
1912 (insn-recog.o): Same.
1913 (tm-constsr.h): New target.
1914 (s-constrs-h): New target.
1916 * config/rs6000/constraints.md: New file.
1917 * config/rs6000/rs6000.c: Include tm-constrs.h.
1918 (num_insn_constant_wide): Convert to satisfies_constraint.
1919 (rs6000_rtx_costs): Convert to satisfies_constraint.
1920 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1921 (CONST_OK_FOR_LETTER_P): Delete.
1922 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1923 (EXTRA_CONSTRAINT): Delete.
1924 (EXTRA_MEMORY_CONSTRAINT): Delete.
1925 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1926 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1927 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1928 satisfies_constraint.
1930 * config/i386/i386.c: Include tm-constrs.h.
1932 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1934 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1935 * tree-data-ref.c (find_data_references_in_loop,
1936 compute_data_dependences_for_loop): Use pointers to VEC.
1937 (analyze_all_data_dependences): Adjust calls.
1938 * tree-data-ref.h (find_data_references_in_loop,
1939 compute_data_dependences_for_loop): Adjust declarations.
1940 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1941 compute_data_dependences_for_loop.
1943 2006-03-29 Paul Brook <paul@codesourcery.com>
1945 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1948 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1950 PR tree-optimization/26859
1951 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1953 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1954 for the step after fold_convert.
1956 2006-03-29 Paul Brook <paul@codesourcery.com>
1958 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1959 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1961 2006-03-29 Paul Brook <paul@codesourcery.com>
1964 * targhooks.c (default_narrow_bitfield): New fuction.
1965 * targhooks.h (default_narrow_bitfield): add prototype.
1966 * target.h (gcc_target): Add narrow_volatile_bitfield.
1967 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1968 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1969 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1970 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1972 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1974 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1976 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1977 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1978 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1979 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1980 (s390_function_arg_float): Allow SDmode and DDmode values to be
1981 passed in floating point registers.
1982 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1983 check with SCALAR_FLOAT_MODE_P.
1984 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1986 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1988 PR tree-optimization/25985
1989 * tree-ssa-loop-niter.c (number_of_iterations_le,
1990 number_of_iterations_ne): Make comments more precise.
1991 (number_of_iterations_cond): Add only_exit argument. Use the
1992 fact that signed variables do not overflow only when only_exit
1994 (loop_only_exit_p): New.
1995 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1996 number_of_iterations_cond.
1998 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2000 PR tree-optimization/26643
2001 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2004 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2006 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2007 (divsi3_i4_int): Likewise.
2009 2006-03-28 Roger Sayle <roger@eyesopen.com>
2011 * expr.c (emit_group_store): Only create a new pseudo reg if the
2012 quantity it needs to hold isn't already a suitable pseudo.
2014 2006-03-28 Jeff Law <law@redhat.com>
2016 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2017 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2019 2006-03-28 Roger Sayle <roger@eyesopen.com>
2021 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2022 the equivalent ~X & Y, and the symmetry related transformations.
2023 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2024 ~X & Y, and symmetry related transforms.
2026 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2028 Revert my 2006-03-27 patches.
2030 2006-03-28 Roger Sayle <roger@eyesopen.com>
2032 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2033 ~(T1)X, when T1 and T2 are integer types of the same precision
2034 and (T2)X isn't an extension.
2036 2006-03-28 Jeff Law <law@redhat.com>
2038 PR tree-optimization/26796
2039 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2040 need EH edge cleanups rather than purging them immediately.
2041 (eliminate_degenerate_phis): Handle queued EH cleanups.
2043 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2045 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2048 2006-03-27 Roger Sayle <roger@eyesopen.com>
2051 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2052 cast BIT_NOT_EXPR operand to the correct type.
2054 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2056 * tree-loop-linear.c: Don't include varray.h.
2057 (gather_interchange_stats, try_interchange_loops,
2058 linear_transform_loops): Use VEC instead of VARRAY.
2059 * lambda-mat.c: Don't include varray.h.
2060 * tree-chrec.c: Same.
2061 * lambda-trans.c: Same.
2062 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2063 VEC instead of VARRAY.
2064 * tree-vectorizer.h: Idem.
2065 * tree-data-ref.c (dump_data_references,
2066 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2067 initialize_data_dependence_relation, finalize_ddr_dependent,
2068 compute_all_dependences, find_data_references_in_loop,
2069 compute_data_dependences_for_loop, analyze_all_data_dependences,
2070 free_dependence_relation, free_dependence_relations,
2071 free_data_refs): Idem.
2072 * tree-data-ref.h (data_reference_p, subscript_p): New.
2073 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2074 VEC instead of VARRAY.
2075 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2076 (find_data_references_in_loop, compute_data_dependences_for_loop,
2077 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2078 dump_data_dependence_relations, free_dependence_relations,
2079 free_data_refs): Adjust declaration.
2080 (lambda_transform_legal_p): Move declaration here...
2081 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2082 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2083 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2084 vect_analyze_data_refs): Use VEC instead of VARRAY.
2085 * lambda.h (lambda_transform_legal_p): ...from here.
2086 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2087 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2088 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2089 tree-chrec.o): Don't depend on VARRAY_H.
2091 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2093 * rtl.def (Copyright): Update date.
2094 (DEPS_LIST): Change type of the second operand to 'int'.
2095 * target.h (Copyright): Update date.
2096 (struct gcc_target.speculate_insn): Change type of the second parameter
2098 * lists.c (Copyright): Update date.
2099 (alloc_DEPS_LIST): Change signature. Update reference to the second
2100 operand of the DEPS_LIST.
2101 (copy_DEPS_LIST_list): Update reference to the second operand of the
2103 * rtl.h (Copyright): Update date.
2104 (alloc_DEPS_LIST): Update signature.
2105 * sched-int.h (Copyright): Update date.
2106 (ds_t): Change typedef to 'int'.
2107 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2109 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2111 * haifa-sched.c (Copyright): Update date.
2112 (try_ready): Change condition to restore non-speculative pattern
2114 (process_insn_depend_be_in_spec): Code to keep probability of the
2115 speculative dependence non-decreasing.
2117 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2119 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2120 shut up the compiler.
2122 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2124 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2125 to use lib prefix for target.
2126 ($(T)libic_invalidate_array_4-200.a): Likewise.
2127 ($(T)libic_invalidate_array_4a.a): Likewise.
2129 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2130 J"orn Rennecke <joern.rennecke@st.com>
2132 * superh.opt: New file.
2133 * sh.c (boardtype, osruntime): Remove.
2134 * superh.h (SUBTARGET_OPTIONS): Remove.
2135 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2137 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2138 arguments with ^ and/or [].
2140 * config.gcc (sh-*-*): Add quoting to account for quirk of
2142 Replace == with = in enable_incomplete_targets test.
2144 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2145 with MASK_LITTLE_ENDIAN.
2147 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2148 * config/sh/sh.opt: Added to some comments.
2149 * config/sh/superh.h: Removed some chaff.
2151 * config/sh/sh.opt: Add m4-[1234]00* options.
2152 * config/sh/sh.c (sh_handle_option): Likewise.
2153 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2154 (ic_invalidate_array_4-100.o): New rule.
2155 ($(T)libic_invalidate_array_4-100.a): Likewise.
2156 (ic_invalidate_array_4-200.o): Likewise.
2157 ($(T)libic_invalidate_array_4-200.a): Likewise.
2158 (ic_invalidate_array_4a.o): Likewise.
2159 ($(T)libic_invalidate_array_4a.a): Likewise.
2160 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2161 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2163 * config/sh/crt1.asm: Merged in profiling code.
2164 * config/sh/superh.h (STARTFILE_SPEC): Override.
2165 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2166 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2167 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2169 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2170 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2171 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2173 * sh.opt (mpretend-cmove): New option.
2174 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2175 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2176 (movsicc): Add TARGET_PRETEND_CMOVE code.
2178 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2180 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2181 s390_class_max_nregs): New function prototypes.
2182 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2183 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2184 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2185 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2187 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2189 * dwarf2out.c (add_location_or_const_value_attribute): Call
2190 tree_add_const_value_attribute if nothing else works.
2191 (reference_to_unused): New.
2192 (rtl_for_decl_init): Use reference_to_unused to decide whether
2193 to output an initializer.
2195 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2198 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2199 peephole removing spe frob_di_df_2.
2201 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2203 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2204 (subscript_dependence_tester_1): Declared.
2205 (print_dir_vectors, print_dist_vectors): New.
2206 (debug_data_dependence_relation): New.
2207 (dump_data_dependence_relation): Print more details.
2208 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2209 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2210 (save_dist_v, save_dir_v, add_outer_distances,
2211 build_classic_dist_vector_1): New.
2212 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2213 Don't test for lambda_vector_lexico_pos.
2214 (same_access_functions, add_multivariate_self_dist,
2215 add_other_self_distances, dir_from_dist): New.
2216 (build_classic_dir_vector): Replace implementation almost identical to
2217 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2219 (subscript_dependence_tester_1): New.
2220 (subscript_dependence_tester): Handle the lexicographically negative
2221 distance vectors by recomputing the dependence relation.
2222 (compute_affine_dependence): Remove parameter loop_nest_depth.
2223 (compute_self_dependence): Don't call compute_subscript_distance.
2224 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2225 Add a parameter for the loop_nest.
2226 (find_loop_nest_1, find_loop_nest): New.
2227 (compute_data_dependences_for_loop): Compute the loop nest, and give
2228 up if the nest is not well formed.
2229 * tree-data-ref.h (loop_p): New.
2230 (struct data_dependence_relation): Replace size_vect field with
2231 loop_nest, a vec of loops.
2232 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2233 (DDR_LOOP_NEST): New.
2234 (print_dir_vectors, print_dist_vectors,
2235 debug_data_dependence_relation): Declared.
2236 (index_in_loop_nest): New.
2237 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2238 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2241 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2243 * simplify-rtx.c (simplify_relational_operation): Call
2244 simplify_relational_operation_1 even if mode is VOIDmode.
2246 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2248 PR tree-optimization/26804
2249 * tree.h (DECL_CALL_CLOBBERED): New macro.
2250 (tree_decl_common): Add call_clobbered_flag.
2251 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2252 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2253 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2254 (mark_non_addressable): Ditto.
2255 * tree-ssa.c (verify_call_clobbered): New function.
2256 (verify_alias_info): Use it.
2257 * tree-pass.h (pass_reset_cc_flags): New prototype.
2258 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2259 (reset_cc_flags): New function.
2260 * passes.c (init_optimization_passes): Call reset_cc_flags after
2261 initializing referenced_vars.
2263 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2264 Roger Sayle <roger@eyesopen.com>
2267 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2268 to 1.0 for non-real operands. Implement A / A optimization for
2271 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2273 * config/i386/i386.c (size_cost): Correct the comment for
2274 cost of storing fp registers.
2275 (i386_cost): Likewise.
2276 (i486_cost): Likewise.
2277 (pentium_cost): Likewise.
2278 (pentiumpro_cost): Likewise.
2279 (k6_cost): Likewise.
2280 (athlon_cost): Likewise.
2281 (k8_cost): Likewise.
2282 (pentium4_cost): Likewise.
2283 (nocona_cost): Likewise.
2284 (generic64_cost): Likewise.
2285 (generic32_cost): Likewise.
2287 2006-03-24 Denis Chertykov <denisc@overta.ru>
2289 * config/avr/avr-protos.h (extra_constraint): Delete.
2290 (extra_constraint_Q): New declaration.
2291 * config/avr/constraints.md: New file.
2292 * config/avr/avr.md: Include it.
2293 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2294 (TMP_REGNO, ZERO_REGNO): Likewise.
2295 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2296 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2297 (extra_constraint): Delete.
2298 (extra_constraint_Q): Test for memory constraint 'Q'.
2299 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2300 (REG_CLASS_FROM_LETTER): Delete.
2301 (CONST_OK_FOR_LETTER_P): Delete.
2302 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2303 (EXTRA_CONSTRAINT): Delete.
2304 (TMP_REGNO): Delete.
2305 (ZERO_REGNO): Delete.
2307 2006-03-24 Jeff Law <law@redhat.com>
2309 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2310 directly. Call mark_new_vars_to_rename slightly earlier.
2312 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2314 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2316 (gen_compile_unit_die): Use new language types for Objective-C and
2318 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2319 DW_LANG_C_plus_plus.
2322 * config/t-darwin (crt3.o): Work around bug 26840.
2323 * config/darwin-crt3.c: Rewrite.
2324 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2326 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2328 * doc/invoke.texi: Document -femit-class-debug-always
2329 * common.opt: Add -femit-class-debug-always.
2331 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2333 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2334 index and base register.
2335 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2336 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2337 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2338 REGNO_OK_FOR_INDEX_P.
2339 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2341 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2342 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2343 REG_OK_FOR_BASE_P): Definitions removed.
2345 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2348 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2349 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2350 set yet or weren't marked as local yet.
2352 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2354 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2357 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2359 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2360 (rs6000_legitimate_small_data_p): Delete.
2361 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2362 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2363 and make static. Add forward declaration. Update uses.
2364 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2365 of offsettable_memref_p.
2366 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2367 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2369 2006-03-24 Jeff Law <law@redhat.com>
2371 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2372 around bug in immediate-use iterator.
2374 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2377 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2378 or __LITTLE_ENDIAN__.
2380 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2382 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2383 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2384 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2385 * config/sh/sh.opt (mdiv=): Amend description.
2386 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2387 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2388 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2389 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2390 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2391 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2392 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2393 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2394 TARGET_DIVIDE_CALL_FP.
2396 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2398 * haifa-sched.c (choose_ready): Fix type of the local variable.
2399 Move local variables. Add comment.
2400 (check_reg_live): Change signature. Make callable from debugger.
2401 * sched-int.h (check_reg_live): Update signature.
2402 * sched-ebb.c (check_reg_live): Update parameters.
2403 * sched-rgn.c (check_reg_live): Ditto.
2404 (region_head_or_leaf_p): Check pointer before dereferencing.
2405 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2406 before reload on optimization levels below 1.
2408 2006-03-23 Richard Henderson <rth@redhat.com>
2410 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2414 * config/alpha/predicates.md (local_symbolic_operand): Reject
2417 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2420 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2421 expressions which have overflowed constants.
2423 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2425 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2427 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2429 * cfgloopmanip.c (create_loop_notes): Removed.
2430 * final.c (final_scan_insn): Do not handle loop notes.
2431 * jump.c (squeeze_notes): Ditto.
2432 * cfglayout.c (skip_insns_after_block,
2433 duplicate_insn_chain): Ditto.
2434 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2436 * cfgloop.h (create_loop_notes): Declaration removed.
2438 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2440 * varasm.c (output_constant_pool): Restore fnname and fndecl
2442 (assemble_start_function): Adjust call accordingly.
2443 (assemble_end_function): Likewise.
2445 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2448 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2451 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2453 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2456 * system.h (ICE_EXIT_CODE): New macro.
2457 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2458 (diagnostic_action_after_output): Likewise.
2459 * gcc.c (fatal_ice): New function.
2460 (execute): Use it instead of fatal.
2461 (fancy_abort): Likewise.
2462 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2464 2006-03-22 Jeff Law <law@redhat.com>
2466 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2467 iv_analyze_result returning false.
2469 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2471 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2473 2006-03-22 Richard Henderson <rth@redhat.com>
2476 * except.c (duplicate_eh_regions_0): New.
2477 (duplicate_eh_region_1): Duplicate the children of the node as
2478 well as the node itself. Link them up properly.
2479 (duplicate_eh_region_2): Merge into ...
2480 (duplicate_eh_regions): ... here. Take copy_region argument, and
2481 copy only a sub-tree if asked. Simplify copying and fixup.
2482 (eh_region_outer_p): New.
2483 * except.h (duplicate_eh_regions): Update decl.
2484 (eh_region_outer_p): Declare.
2485 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2486 (lower_omp_master): Likewise.
2487 (lower_omp_ordered): Likewise.
2488 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2489 (move_stmt_r): Use it to remap labels. Handle recursion vs
2490 remap_decls_p properly.
2491 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2492 (find_outermost_region_in_block): New.
2493 (new_label_mapper): New.
2494 (move_sese_region_to_fn): Copy eh information to the new function
2496 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2498 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2501 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2503 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2504 into shared libraries.
2506 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2508 * doc/md.texi: Refer to i386/constraints.md instead of
2510 * config/i386/constraints.md: New file, extracted from...
2511 * config/i386/predicates.md: ...here.
2512 * config/i386/i386.md: Include constraints.md.
2514 2006-03-21 Jason Merrill <jason@redhat.com>
2516 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2519 * expr.c (init_block_move_fn): Force default visibility.
2520 (init_block_clear_fn): Likewise.
2521 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2522 * targhooks.c (default_external_stack_protect_fail): Likewise.
2524 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2526 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2527 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2528 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2529 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2530 (loadgp): Use mips_current_loadgp_style.
2531 (loadgp_noshared): New pattern.
2532 (sibcall_internal): Use MIPS_CALL.
2533 (sibcall_value_internal): Likewise.
2534 (sibcall_value_multiple_internal): Likewise.
2535 (call_internal): Likewise.
2536 (call_value_internal): Likewise.
2537 (call_value_multiple_internal): Likewise.
2538 (call_split): Use MIPS_CALL and add an 'S' constraint.
2539 (call_value_split): Likewise.
2540 (call_value_multiple_split): Likewise.
2541 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2542 (-mshared): New option.
2543 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2544 (mips_current_loadgp_style): Declare.
2545 * config/mips/mips.c (mips_classify_symbol): Avoid using
2546 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2547 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2548 TARGET_ABSOLUTE_ABICALLS.
2549 (override_options): Adjust comments. Improve the warning that is
2550 issued when -mabicalls and -G are used together.
2551 (mips_file_start): Remove comment.
2552 (mips_current_loadgp_style): New function.
2553 (mips_gnu_local_gp): New variable.
2554 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2556 (mips_output_function_prologue): Use mips_current_laodgp_style.
2557 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2558 the cprestore instruction.
2559 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2560 live for TARGET_ABSOLUTE_ABICALLS.
2561 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2562 (ASM_SPEC): Pass down -mshared and -mno-shared.
2563 (MIPS_CALL): New macro.
2564 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2566 * doc/invoke.texi (-mabicalls): Update documentation.
2567 (-mshared): Document.
2569 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2571 * config/ia64/unwind-hpux.c: New file.
2572 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2574 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2577 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2579 2006-03-21 Jeff Law <law@redhat.com>
2581 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2582 type conversions of a VR_VARYING source to a wider type.
2584 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2586 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2587 tm_file on Solaris 10 and later.
2588 (sparc64-*-solaris2*): Likewise.
2589 (sparc-*-solaris2*): Likewise.
2590 * config/sol26.h: Rename to config/sol2-6.h.
2591 * config/sol2-10.h: New file.
2593 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2596 * tree-ssa-pre.c (create_component_ref_by_pieces):
2599 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2602 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2603 return it immediately.
2605 2006-03-21 Michael Matz <matz@suse.de>
2607 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2609 (remove_arc, add_arc): Update num_out_arcs member.
2610 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2612 (cache_presence): New function.
2613 (compare_states_for_equiv): New function.
2614 (state_is_differed): Don't take number of outargs, adjust callers.
2615 Use new invariant for speeding up.
2616 (init_equiv_class): Create initial classes based on sorted
2618 (partition_equiv_class): Don't track out_arcs_num.
2619 (evaluate_equiv_classes): Call cache_presence on all states and
2622 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2624 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2625 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2626 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2627 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2629 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2630 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2631 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2632 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2633 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2635 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2636 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2637 (REGNO_REG_CLASS): ARGP is in PREGS.
2638 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2640 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2641 to deal with those addresses.
2642 * addresses.h: New file.
2643 * caller-save.c: Include "addresses.h".
2644 (init_caller_save): Use new base_reg_class function.
2645 * rtl-factoring.c: Include "addresses.h".
2646 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2647 * recog.c: Include "addresses.h".
2648 (preprocess_constraints): Use new base_reg_class function.
2649 * regrename.c: Include "addresses.h".
2650 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2651 functions. Keep track of a new var INDEX_CODE to compute valid
2653 (replace_oldest_value_addr): Likewise.
2654 (replace_oldest_value_mem): Use base_reg_class.
2655 * reload.c: Include "addresses.h".
2656 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2657 (find_reloads): Use new base_reg_class function.
2658 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2659 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2660 all callers and prototype changed.
2661 * reload1.c: Include "addresses.h".
2662 (maybe_fix_stack_asms): Use base_reg_class.
2663 * regclass.c: Include "addresses.h".
2664 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2665 (init_reg_autoinc): Use new base_reg_class function.
2666 (record_reg_classes): Likewise.
2667 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2668 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2669 Use new args to compute necessary class.
2671 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2672 regrename.o, rtl-factoring.o): Update dependencies.
2673 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2674 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2675 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2676 REG_OK_FOR_INDEX_P): Delete documentation.
2678 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2680 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2681 from V7 to V9 for Solaris 7 and above.
2683 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2685 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2686 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2687 argument pointers may not alias any other storage.
2688 * common.opt: Define option -fargument-noalias-anything.
2689 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2690 alias semantics is specified by flag_argument_noalias > 2.
2692 2006-03-20 Jeff Law <law@redhat.com>
2694 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2695 (pass_phi_only_cprop): Declare.
2696 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2698 * tree-ssa-dom.c (degenerate_phi_result): New function.
2699 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2700 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2701 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2702 (eliminate_degenerate_phis): Likewise.
2703 (pass_phi_only_cprop): New pass descriptor.
2704 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2705 support code. Callers updated.
2706 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2707 (store_copy_prop): Likewise.
2708 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2710 2006-03-20 Jason Merrill <jason@redhat.com>
2713 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2714 (push_visibility, pop_visibility): Likewise.
2715 * c-pragma.h: Declare them.
2717 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2719 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2721 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2722 parameter and use get_ebb_head_tail.
2723 (sh_md_init_global): Adjust uses of find_regmode_weight.
2725 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2727 * function.h (struct function) <x_tail_recursion_reentry>:
2728 Rename to x_stack_check_probe_note.
2729 (tail_recursion_reentry): Rename to stack_check_probe_note.
2730 * function.c: Replace tail_recursion_reentry with
2731 stack_check_probe_note everywhere.
2732 (expand_function_start): Only emit a note for
2733 stack_check_probe_note with -fstack-protect.
2734 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2736 * emit-rtl.c (remove_unnecessary_notes): Remove.
2737 (pass_remove_unnecessary_notes): Remove.
2738 * rtl.h (remove_unnecessary_notes): Remove prototype.
2739 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2740 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2741 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2743 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2746 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2747 (valid_in_set): Handle ARRAY_REF.
2748 Change "if min_variant or VH" to asserts.
2749 (create_component_ref_by_pieces): Handle ARRAY_REF.
2750 (create_expression_by_pieces): Likewise.
2751 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2753 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2755 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2756 is operand of switch, not str[0].
2758 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2760 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2761 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2763 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2765 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2766 end of insn_extra_address_constraint declaration.
2768 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2770 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2771 (no-sum-in-toc): Same.
2772 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2774 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2775 NO_FP_IN_TOC for -fPIC instead of mask.
2777 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2778 (BOOT_LDFLAGS): Delete.
2780 * config/rs6000/t-aix52: Same.
2782 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2783 (stmsi[345678]_power): New.
2785 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2787 * config/ia64/ia64.opt: Add empty line to end of file.
2789 2006-03-17 Richard Guenther <rguenther@suse.de>
2792 * builtins.c (get_pointer_alignment): For component style references
2793 adjust alignment to the component type alignment. Make sure
2794 to adjust alignment for component access of constants.
2796 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2798 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2801 2006-03-17 Paul Brook <paul@codesourcery.com>
2803 * doc/install.texi: Docuemnt --with-mode.
2804 * config.gcc: Add --with-mode for arm*-*-*.
2805 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2807 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2809 * sh.c (max_labelno_before_reorg): New variable.
2810 (sh_reorg): Initialize it.
2811 (find_barrier): Check max_labelno_before_reorg before using
2812 label_to_alignment. Take length of explicit alignment insns
2813 into account. When seeing a UNSPECV_CONST_END, return it.
2815 * sh.c (fixup_mova): Set mode of affected label to QImode.
2816 (untangle_mova): New function.
2817 (find_barrier): Use it. Check mode of label before decrementing
2819 (sh_reorg): Likewise.
2820 Set mode of all insns back to VOIDmode.
2822 * sh.c (MOVA_LABELREF): New macro.
2823 (mova_p, fixup_mova, sh_reorg): Use it.
2824 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2825 ADDR_DIFF_VEC matches mova.
2827 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2829 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2830 with ATTRIBUTE_UNUSED.
2832 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2834 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2835 pointer, instead of assuming it is possible to derive the
2836 correct args size from a call insn.
2838 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2840 * rtl.h (CONST_INT_P): Define.
2841 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2842 instead of GET_CODE(x) == CONST_INT.
2843 (vax_rtx_costs): Likewise.
2844 (vax_output_int_move): Likewise.
2845 (vax_output_int_add): Likewise.
2846 (legitimate_constant_address_p): Likewise.
2847 (index_term_p): Likewise.
2848 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2849 * config/vax/vax.md (and<mode>3): Likewise.
2850 (ashrsi3): Likewise.
2852 (movstricthi): Likewise.
2853 (movstrictqi): Likewise.
2854 (rotrsi3): Likewise.
2855 (five unnamed insns): Likewise.
2857 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2859 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2860 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2861 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2862 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2863 Pass to ASM_OUTPUT_DWARF_OFFSET.
2864 * dwarf2out.c (debug_frame_section): New.
2865 (output_call_frame_info): Use debug_frame_section. Pass it to
2866 dw2_asm_output_offset.
2867 (output_die): Pass appropriate section to dw2_asm_output_offset.
2868 (output_compilation_unit_header): Likewise.
2869 (output_pubnames): Likewise.
2870 (output_aranges): Likewise.
2871 (enum dw_val_class): Break dw_val_class_lbl_offset into
2872 dw_val_class_lineptr and dw_val_class_macptr.
2873 (add_AT_lbl_offset): Delete.
2874 (add_AT_lineptr): New.
2875 (add_AT_macptr): New.
2876 (AT_lbl): Expect a lineptr or macptr.
2877 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2878 (attr_checksum): Likewise.
2879 (same_dw_val_p): Likewise.
2880 (size_of_die): Likewise.
2881 (value_format): Likewise.
2882 (output_die): Likewise.
2883 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2885 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2886 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2887 * config/darwin-protos.h (darwin_file_start): New.
2888 (darwin_asm_output_dwarf_offset): New.
2889 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2890 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2892 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2893 if not EH section; simplify.
2894 (darwin_file_start): New.
2895 (darwin_asm_output_dwarf_offset): New.
2896 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2898 (DEBUG_INFO_SECTION): Likewise.
2899 (DEBUG_ABBREV_SECTION): Likewise.
2900 (DEBUG_ARANGES_SECTION): Likewise.
2901 (DEBUG_MACINFO_SECTION): Likewise.
2902 (DEBUG_LINE_SECTION): Likewise.
2903 (DEBUG_LOC_SECTION): Likewise.
2904 (DEBUG_PUBNAMES_SECTION): Likewise.
2905 (DEBUG_STR_SECTION): Likewise.
2906 (DEBUG_RANGES_SECTION): Likewise.
2907 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2908 (ASM_OUTPUT_DWARF_OFFSET): New.
2910 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2912 * config.gcc (tm_defines): Always add to previous value rather
2915 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2917 * config/mips/predicates.md (splittable_const_int_operand): New,
2918 split from move_operand.
2919 (splittable_symbolic_operand): New.
2920 (move_operand): Add commentary. Use splittable_const_int_operand.
2921 Inline mips_atomic_symbolic_constant_p.
2922 * config/mips/mips.md: Add combine splitters for handling moves
2923 of splittable_const_int_operands and splittable_symbolic_operands.
2924 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2925 (mips_split_symbol): Declare.
2926 (mips_move_integer): Declare.
2927 * config/mips/mips.c (mips_split_p): Make global.
2928 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2929 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2930 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2931 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2932 (mips_offset_within_object_p): Handle block symbols.
2933 (mips_atomic_symbolic_constant_p): Delete.
2934 (mips_cannot_force_const_mem): Return false for constants that
2935 mips_legitimize_move can handle.
2936 (mips_use_blocks_for_constant_p): New function.
2937 (mips_split_symbol): Make global.
2938 (mips_move_integer): Likewise. Add a temporary register argument.
2939 (mips_legitimize_const_move): Use splittable_const_int_operand and
2940 splittable_symbolic_operand.
2941 (mips_use_anchors_for_symbol_p): New function.
2942 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2943 (mips_split_p): Declare.
2945 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2947 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2948 (mips*-*-linux*): Likewise.
2950 2006-03-16 Roger Sayle <roger@eyesopen.com>
2951 Daniel Speyer <dspeyer@wam.umd.edu>
2954 * tree-dump.c (dump_real): New function.
2955 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2956 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2957 (tree-dump.o): Add $(REAL_H) to the dependencies.
2959 2006-03-16 Roger Sayle <roger@eyesopen.com>
2962 * real.c (real_from_string): If the mantissa is zero, don't bother
2963 parsing the exponent as the result should always be zero.
2965 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2967 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2969 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2971 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2972 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2973 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2974 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2975 ia64_sched_finish_global): New static functions to implement
2976 hooks from gcc_target.sched.
2977 (spec_check_no, max_uid, pending_data_specs): New static variables.
2978 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2979 ia64_spec_check_src_p): New static functions.
2980 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2981 (TARGET_SCHED_ADJUST_COST): Removed.
2982 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2983 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2984 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2985 TARGET_SCHED_GEN_CHECK,
2986 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2987 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2988 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2989 Fixed to handle speculation checks.
2990 (rtx_needs_barrier): Fixed to handle speculative loads and
2992 (ia64_variable_issue): Added code to count speculative loads and their
2994 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2996 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2998 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3000 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3001 (ia64_reorg): Reset stops_p to NULL after it is freed.
3002 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3003 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3004 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3006 (data_speculative, control_speculative, check_load): New attributes.
3007 (mov<mode>_advanced, mov<mode>_speculative,
3008 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3009 zero_extend<mode>di2_speculative,
3010 zero_extend<mode>di2_speculative_advanced): New patterns for
3011 data and control speculative loads.
3012 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3014 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3015 New pattern for data and control speculation checks.
3016 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3017 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3018 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3019 Auxiliary definitions for the patterns.
3020 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3021 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3023 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3025 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3026 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3027 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3028 New resource constraints.
3029 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3031 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3032 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3033 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3034 msched-in-control-spec, msched-ldc, msched-control-ldc,
3035 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3036 msched-prefer-non-control-spec-insns,
3037 msched-count-spec-in-critical-path): New flags to tune speculative
3039 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3040 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3041 msched-in-control-spec, msched-ldc, msched-control-ldc,
3042 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3043 msched-prefer-non-control-spec-insns,
3044 msched-count-spec-in-critical-path): Document new flags.
3046 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3048 * target.h (struct spec_info_def): New opaque declaration.
3049 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3050 speculate_insn, needs_block_p, gen_check,
3051 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3052 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3053 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3054 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3055 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3056 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3058 (TARGET_SCHED): Use new macros.
3059 * rtl.h (copy_DEPS_LIST_list): New prototype.
3060 * sched-int.h (struct sched_info): Change signature of new_ready field,
3061 adjust all initializations. New fields: add_remove_insn,
3062 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3063 region_head_or_leaf_p.
3064 (struct spec_info_def): New structure declaration.
3065 (spec_info_t): New typedef.
3066 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3067 recovery_block, orig_pat.
3068 (glat_start, glat_end): New variables declaraions.
3069 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3071 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3072 DETACH_LIFE_INFO, USE_GLAT.
3073 (enum SPEC_SCHED_FLAGS): New enumeration.
3074 (NOTE_NOTE_BB_P): New macro.
3075 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3076 attach_life_info, debug_spec_status, check_reg_live): New functions.
3077 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3078 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3080 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3081 * ddg.c (get_block_head_tail): Adjust all uses.
3082 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3083 (sms_sched_info): Initialize new fields.
3084 (contributes_to_priority): Removed.
3085 * haifa-sched.c (params.h): New include.
3086 (get_block_head_tail): Adjust all uses.
3087 (ISSUE_POINTS): New macro.
3088 (glat_start, glat_end): New global variables.
3089 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3090 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3091 old_last_basic_block, before_recovery, current_sched_info_var,
3092 rgn_n_insns, luid): New static variables.
3093 (insn_cost1): New function. Move logic from insn_cost to here.
3094 (find_insn_reg_weight1): New function. Move logic from
3095 find_insn_reg_weight to here.
3096 (reemit_notes, move_insn, max_issue): Change signature.
3097 (move_insn1): Removed.
3098 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3099 extend_bb): New static functions to support extension of scheduler's
3101 (generate_recovery_code, process_insn_depend_be_in_spec,
3102 begin_speculative_block, add_to_speculative_block,
3103 init_before_recovery, create_recovery_block, create_check_block_twin,
3104 fix_recovery_deps): New static functions to support
3105 generation of recovery code.
3106 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3107 restore_bb_notes, move_block_after_check, move_succs): New static
3108 functions to support ebb scheduling.
3109 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3110 functions to support handling of register live information.
3111 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3112 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3113 add_jump_dependencies): New static functions.
3114 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3115 consistancy checking.
3116 (debug_spec_status): New function to call from debugger.
3117 (priority): Added code to handle speculation checks.
3118 (rank_for_schedule): Added code to distinguish speculative instructions.
3119 (schedule_insn): Added code to handle speculation checks.
3120 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3121 Fixed to handle ebbs.
3122 (move_insn): Added code to handle ebb scheduling.
3123 (max_issue): Added code to use ISSUE_POINTS of instructions.
3124 (choose_ready): Added code to choose between speculative and
3125 non-speculative instructions.
3126 (schedule_block): Added code to handle ebb scheduling and scheduling of
3127 speculative instructions.
3128 (sched_init): Initialize new variables.
3129 (sched_finish): Free new variables. Print statistics.
3130 (try_ready): Added code to handle speculative instructions.
3131 * lists.c (copy_DEPS_LIST_list): New function.
3132 * sched-deps.c (extend_dependency_caches): New function. Move logic
3133 from create_dependency_caches to here.
3134 (get_dep_weak, ds_merge): Make global.
3135 * genattr.c (main): Code to output prototype for
3136 dfa_clear_single_insn_cache.
3137 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3138 (output_dfa_clean_insn_cache_func): Code to output
3139 dfa_clear_single_insn_cache function.
3140 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3142 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3144 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3145 New static variables.
3146 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3147 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3149 (ebb_sched_info): Initialize new fields.
3150 (get_block_head_tail): Adjust all uses.
3151 (compute_jump_reg_dependencies): Fixed to use glat_start.
3152 (schedule_ebb): Code to remove unreachable last block.
3153 (schedule_ebbs): Added code to update register live information.
3154 * sched-rgn.c (region_sched_info): Initialize new fields.
3155 (get_block_head_tail): Adjust all uses.
3156 (last_was_jump): Removed. Adjust users.
3157 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3158 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3159 Implement new hooks.
3160 (check_dead_notes1): New static function.
3161 (struct region): New fields: dont_calc_deps, has_real_ebb.
3162 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3163 (BB_TO_BLOCK): Fixed to handle EBBs.
3164 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3165 (ebb_head): New static variable.
3166 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3167 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3169 (compute_dom_prob_ps): New assertion.
3170 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3171 global_live_at_start.
3172 (init_ready_list): New assertions.
3173 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3174 (new_ready): Add support for BEGIN_CONTROL speculation.
3175 (schedule_insns): Fixed code that updates register live information
3177 (schedule_region): Fixed to handle EBBs.
3178 (init_regions): Use extend_regions and check_dead_notes1.
3179 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3180 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3181 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3182 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3183 TARGET_SCHED_GEN_CHECK,
3184 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3185 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3186 * doc/invoke.texi (max-sched-insn-conflict-delay,
3187 sched-spec-prob-cutoff): Document.
3189 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3191 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3192 inter_tick, queue_index.
3193 (struct sched_info): Change signature of init_ready_list field.
3194 Adjust all initializations.
3195 (RESOLVED_DEPS): New access macro.
3196 (ready_add): Remove prototype.
3197 (try_ready): Add prototype.
3198 * sched-rgn.c (init_ready_list): Use try_ready.
3199 (schedule_region): Initialize
3200 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3201 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3202 (init_ready_list): Use try_ready.
3203 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3204 * lists.c (remove_list_elem): Remove `static'.
3205 (remove_free_INSN_LIST_elem): New function.
3206 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3207 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3208 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3210 (readyp): New variable.
3211 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3212 change_queue_index, resolve_dep): New static functions.
3213 (try_ready): New function. Adjust callers in sched-rgn.c and
3214 sched-ebb.c to use it instead of ready_add.
3215 (clock_var): Move at the begining of file.
3216 (rank_for_schedule): Fix typo.
3217 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3218 (ready_lastpos): Enforce assertion.
3219 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3221 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3222 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3223 (queue_to_ready): Use free_INSN_LIST_list.
3224 (early_queue_to_ready): Fix typo.
3225 (schedule_block): Init readyp. Move init_ready_list call after the
3226 initialization of clock_var. Fix error in rejecting insn by
3227 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3228 that previously corrected INSN_TICKs. Add code for handling
3230 (set_priorities): Fix typo.
3231 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3232 Clarify comment and code that keeps current_sched_info->next_tail
3235 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3237 * sched-rgn.c (extend_rgns): New static function.
3238 (find_rgns): Use it.
3239 (gather_region_statistics, print_region_statistics): New static
3241 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3242 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3244 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3245 Andrey Belevantsev <abel@ispras.ru>
3247 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3248 * lists.c (unused_deps_list): New variable.
3249 (free_list): Add assertions to verify the proper distinguishing
3250 between INSN_LISTs and DEPS_LISTs.
3251 (find_list_elem, remove_list_elem, remove_list_node): New static
3253 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3254 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3255 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3256 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3258 (free_INSN_LIST_node): Likewise.
3259 * modulo-sched.c (current_sched_info): Initialize flags field.
3260 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3261 * rtl.def (DEPS_LIST): Define.
3262 * rtl.h: Declare new functions from lists.c.
3263 * sched-deps.c (spec_dependency_cache): New static variable.
3264 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3265 (add_dependence): Change return type to void. Move the logic to ...
3266 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3267 (delete_all_dependences): Add comment about forward_dependency_cache.
3268 Handle spec_dependency_cache. Handle DEPS_LISTs.
3269 (fixup_sched_groups): Clarify the change of priority of output
3270 and anti dependencies.
3271 (sched_analyze_2): Adjust add_dependence calls to create data
3272 speculative dependence.
3273 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3274 Adjust all callers. Handle DEPS_LISTS.
3275 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3276 presence of speculation.
3277 (init_dependency_caches, free_dependency_caches):
3278 Handle spec_dependency_cache.
3279 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3280 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3281 New static functions.
3282 (add_or_update_back_dep, add_or_update_back_forw_dep,
3283 add_back_forw_dep, delete_back_forw_dep): New functions.
3284 * sched-int.h (ds_t, dw_t): New typedefs.
3285 (struct sched_info): Add new field flags.
3286 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3287 Prototype new sched-deps.c functions.
3288 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3289 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3290 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3291 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3292 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3293 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3295 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3297 * sched-rgn.c (current_sched_info): Initialize flags field.
3298 (schedule_insns): Initialize current_sched_info before the sched_init
3300 * sched-ebb.c (current_sched_info): Initialize flags field.
3301 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3302 Call add_or_update_back_dep instead of add_dependence.
3303 Create control speculative dependencies.
3304 (schedule_insns): Initialize current_sched_info before the sched_init
3307 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3309 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3311 (sh_fallback_frame_state): Likewise.
3313 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3315 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3316 Do switch on default_use_cxa_atexit.
3317 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3318 * config/darwin-crt3.o: New.
3319 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3320 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3321 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3323 * config/rs6000/t-darwin: Move crt2.o building to here.
3324 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3325 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3328 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3330 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3331 from '! xxx' to '!xxx' for coding-style conformance.
3332 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3333 (EXTRA_CONSTRAINT): Likewise.
3334 * config/vax/vax.md (four unnamed insns): Likewise.
3336 2006-03-15 Paul Brook <paul@codesourcery.com>
3338 * config/arm/arm.c (minipool_pad): New.
3339 (add_minipool_forward_ref): Include pool alignment padding in address
3341 (push_minipool_fix): Set minipool_pad.
3342 (minipool_pad): Ditto.
3344 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3346 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3347 instead of GET_CODE() == MEM and REG_P() instead of
3349 (print_operand_address): Likewise.
3350 (vax_address_cost): Likewise.
3351 (vax_rtx_costs): Likewise.
3352 (vax_notice_update_cc): Likewise.
3353 (vax_output_int_add): Likewise.
3354 (INDEX_REGISTER_P): Likewise.
3355 (BASE_REGISTER_P): Likewise.
3356 (nonindexed_address_p): Likewise.
3357 (vax_mode_dependent_address_p): Likewise.
3358 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3359 (PRINT_OPERAND): Likewise.
3360 * config/vax/vax.md (ashlsi3): Likewise.
3361 (ashlsi3): Likewise.
3362 (some more unnamed insns): Likewise.
3364 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3366 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3367 iterator-style macro.
3368 (mark_control_dependent_edges_necessary): Update the use of
3369 EXECUTE_IF_CONTROL_DEPENDENT.
3371 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3373 * config/sh/predicates.md (cache_address_operand): Special.
3374 (ua_address_operand): Likewise.
3376 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3378 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3380 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3382 2006-03-15 Andreas Schwab <schwab@suse.de>
3384 * gensupport.c (identify_predicable_attribute): Don't free p_false
3385 when it is still in use.
3387 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3389 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3390 the default setting here.
3392 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3394 * tree-pass.h (pass_cfg): Remove.
3395 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3396 * passes.c (pass_cfg): Don't run it.
3398 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3400 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3401 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3403 (stack_regs_mentioned): Update the uses of
3404 stack_regs_mentioned_data. Don't access the array beyond its
3406 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3407 Don't include gt-reg-stack.h.
3409 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3410 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3412 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3415 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3418 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3420 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3422 2006-03-14 Richard Guenther <rguenther@suse.de>
3424 PR tree-optimization/26672
3425 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3428 2006-03-14 Richard Guenther <rguenther@suse.de>
3430 PR tree-optimization/26667
3431 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3432 node for the callees. Always allow inlining if it will shrink
3435 2006-03-14 Richard Guenther <rguenther@suse.de>
3438 * builtins.c (get_pointer_alignment): Prefer alignment
3439 information from decls over that from types.
3441 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3444 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3446 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3448 * config/rs6000/rs6000.opt (mdlmzb): New option.
3449 (msched-prolog, msched-epilog): Use Var not Mask.
3450 * doc/invoke.texi (-mdlmzb): Document.
3451 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3453 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3454 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3456 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3458 PR rtl-optimization/25739
3459 * bt-load.c (augment_live_range): Free tos pointer.
3461 * gensupport.c (identify_predicable_attribute): Free
3463 * gcov.c (create_file_names): Free name pointer.
3465 2006-03-13 Roger Sayle <roger@eyesopen.com>
3468 * stmt.c (emit_case_nodes): Handle the case where the index is a
3469 CONST_INT, where the comparison mode is specified by the index type.
3471 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3473 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3476 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3478 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3479 (*branch_fp_inverted): Likewise.
3481 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3484 * omp-low.c (expand_omp_for_generic): Mark istart0
3485 and iend0 as addressable.
3487 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3489 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3491 2006-03-13 Jeff Law <law@redhat.com>
3493 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3494 virtual operands are interesting.
3495 (vrp_visit_stmt): Corresponding changes.
3497 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3499 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3501 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3502 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3503 * config/bfin/crti.S: Use it instead of __PIC__.
3504 * config/bfin/crtn.S: Likewise.
3506 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3507 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3509 Lose 'G' modifier for call operand.
3510 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3511 recognize 'G' modifier.
3513 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3516 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3517 * stmt.c (expand_case): Likewise.
3519 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3521 PR rtl-optimization/26254
3522 * loop-invariant.c (seq_insns_valid_p): New function.
3523 (move_invariant_reg): Only emit new code if it is valid.
3525 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3527 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3529 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3530 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3531 (commit_one_edge_insertion): Do not look for loop notes.
3533 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3535 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3536 flag_test_coverage out of loop.
3538 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3540 * final.c (shorten_branches): Remove outdated comment, and turn
3541 the if branch that guards it to continue.
3543 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3545 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3546 * cfgloop.h (struct loop): Remove unused fields.
3548 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3550 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3551 (-dL, -fdump-rtl-loop2): Update the dump file names
3553 * doc/invoke.texi: Update dump file names.
3555 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3557 * predict.c (estimate_probability): Remove.
3558 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3559 * basic-block.h (estimate_probability): Remove prototype.
3560 * passes.c (finish_optimization_passes): Dump branch prediction or
3561 profiling heuristics to the .profile tree dump.
3562 (init_optimization_passes): Unqueue pass_branch_prob.
3564 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3566 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3568 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3569 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3571 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3573 * function.h (frame_offset_overflow): Declare.
3574 * function.c (frame_offset_overflow): New function.
3575 (assign_stack_local_1): Call it to detect that the offset overflows.
3576 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3578 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3580 * config/sh/sh.c: Include alloc-pool.h.
3581 (label_ref_list_pool): New alloc pool.
3582 (label_ref_list_t): New type for lists of labels.
3583 (struct pool_node): Make wend a label_ref_list_t.
3584 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3586 (dump_table): Likewise.
3587 (sh_reorg): Set up the alloc pool before using add_constant and
3588 dump_table, and destroy it when finishing.
3590 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3592 * config/mips/mips.c: Remove redundant comment.
3594 2006-03-10 Jason Merrill <jason@redhat.com>
3597 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3598 the target was declared 'register'.
3600 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3602 * genpreds.c (write_insn_constraint_len): Change definition of
3603 insn_constraint_len to return size_t to match the declaration.
3605 2006-03-10 DJ Delorie <dj@redhat.com>
3607 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3609 (m32c_expand_insv): Fix test for an AND mask.
3611 2006-03-10 Richard Guenther <rguenther@suse.de>
3614 * builtins.c (get_pointer_alignment): Handle component
3615 references for field alignment.
3617 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3619 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3620 when building with libgloss.
3621 (sh*elf): Implement --without-fp option.
3622 (sh64-superh-linux*): Don't multilib.
3624 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3626 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3628 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3630 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3631 Set it when one of the replacement functions returned true.
3632 Return TODO_cleanup_cfg if cfgchanged is true.
3633 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3635 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3637 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3638 instead of gen_lowpart.
3640 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3642 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3644 (mips_output_order_conditional_branch): Declare.
3645 * config/mips/mips.h (MIPS_BRANCH): New macro.
3646 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3647 for the comparison. Use gen_condjump.
3648 (mips_output_conditional_branch): Rework interface to take the
3649 asm templates for a direct branch and the inverse of a direct branch.
3650 (mips_output_order_conditional_branch): New function.
3651 (mips_builtin_branch_and_move): New function.
3652 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3653 branch condition. Use gen_single_cc as the condition for
3654 __builtin_mips_upper_* or __builtin_mips_lower_*.
3655 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3656 Use VOIDmode for the branch condition.
3657 * config/mips/predicates.md (order_operator): New predicate.
3658 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3659 (branch_fp): Rename to...
3660 (*branch_fp): ...this. Remove mode from comparison operator.
3661 Use new mips_output_conditional_branch interface.
3662 (branch_fp_inverted): Rename to...
3663 (*branch_fp_inverted): ...this and update as for *branch_fp.
3664 (*branch_zero<mode>): Rename to...
3665 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3666 Use mips_output_order_conditional_branch. Only accept ordered
3668 (*branch_zero<mode>_inverted): Rename to...
3669 (*branch_order<mode>_inverted): ...this and update as for
3670 *branch_order<mode>.
3671 (*branch_equality<mode>): Accept zero as the second operand to
3672 the equality operator. Use the new mips_output_conditional_branch
3674 (*branch_equality<mode>_inverted): Likewise.
3675 (condjump): New expander.
3676 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3678 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3679 (bc1any2t, bc1any2f): Likewise.
3680 (single_cc): New expander.
3681 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3683 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3685 * doc/md.texi: Update documentation of MIPS constraints.
3686 * config/mips/constraints.md: New file.
3687 * config/mips/mips.md: Include it.
3688 * config/mips/mips.c (mips_char_to_class): Delete.
3689 (override_options): Don't initialize mips_char_to_class.
3690 * config/mips/mips.h (mips_char_to_class): Delete.
3691 (REG_CLASS_FROM_LETTER): Delete.
3692 (CONST_OK_FOR_LETTER_P): Delete.
3693 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3694 (EXTRA_CONSTRAINT_Y): Delete.
3695 (EXTRA_CONSTRAINT_STR): Delete.
3696 (CONSTRAINT_LEN): Delete.
3697 (EXTRA_MEMORY_CONSTRAINT): Delete.
3699 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3701 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3702 original fn's eh regions.
3704 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3706 * fold-const.c (build_range_check): Make sure to use a valid type to
3707 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3710 (range_predecessor): New static function.
3711 (range_successor): Likewise.
3712 (merge_ranges): Use them to compute predecessors and successors of
3715 2006-03-09 Roger Sayle <roger@eyesopen.com>
3718 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3719 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3721 2006-03-08 DJ Delorie <dj@redhat.com>
3723 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3724 (addpsi3): Expand to include memory operands. Remove
3725 reload-specific splits.
3726 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3727 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3728 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3729 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3730 (shift1_qi, shift1_hi, insv): New.
3731 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3732 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3733 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3735 * config/m32c/m32c-protos.h: Update as needed.
3736 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3737 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3738 Fail for unrecognized R* constraints.
3739 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3740 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3741 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3743 (m32c_init_libfuncs): New.
3744 (m32c_legitimate_address_p): Add debug wrapper.
3745 (m32c_rtx_costs): New.
3746 (m32c_address_cost): New.
3747 (conversions): Add 'B' prefix.
3748 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3749 operands, or word regnames for QI operands. 'B' prints bit
3751 (m32c_expand_setmemhi): New.
3752 (m32c_expand_movmemhi): New.
3753 (m32c_expand_movstr): New.
3754 (m32c_expand_cmpstr): New.
3755 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3756 (m32c_expand_neg_mulpsi3): Handle non-ints.
3757 (m32c_cmp_flg_0): New.
3758 (m32c_expand_movcc): New.
3759 (m32c_expand_insv): New.
3760 (m32c_scc_pattern): New.
3761 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3762 a0/a1 out of SIregs.
3763 (STORE_FLAG_VALUE): New.
3764 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3767 * config/m32c/mov.md: Make constraints more liberal.
3768 (zero_extendqihi2): Optimize r0/r1 case.
3769 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3770 * config/m32c/predicates.md (m32c_any_operand): New.
3771 (m32c_nonimmediate_operand): New.
3772 (m32c_hl_operand): New.
3773 (m32c_r3_operand): New.
3776 (memsym_operand): New.
3777 (memimmed_operand): New.
3778 (a_qi_operand): New.
3779 (m32c_eqne_operator): New.
3780 (m32c_1bit8_operand): New.
3781 (m32c_1bit16_operand): New.
3782 (m32c_1mask8_operand): New.
3783 (m32c_1mask16_operand): New.
3784 * config/m32c/blkmov.md: New file.
3785 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3787 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3789 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3790 unsigned to fix signed/unsigned comparison issue in
3791 DWARF2_FRAME_REG_OUT.
3792 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3793 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3795 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3796 of ptr into the ENABLE_CHECKING section.
3798 2006-03-08 Jeff Law <law@redhat.com>
3800 * tree-vrp.c (infer_value_range): Only count pointer uses
3801 and dereferences if -fdelete-null-pointer-checks is enabled.
3803 * tree-vrp.c (find_assert_locations): Infer value ranges for
3804 single use pointers, but do not create ASSERT_EXPRs for them.
3805 When a non-null range is inferred for a pointer, backwards
3806 propagate that range to other equivalent pointers through the
3809 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3812 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3813 language hook targets.
3814 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3815 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3816 if language hook targets were missing.
3818 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3820 * tree-ssa-opfinalize.h: Removed.
3821 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3823 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3824 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3825 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3826 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3827 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3828 finalize_ssa_v_must_def_ops): New.
3830 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3832 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3835 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3837 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3839 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3840 addresses with offsets; reorganize.
3842 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3843 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3844 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3846 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3849 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3851 2006-03-08 Ben Elliston <bje@au.ibm.com>
3853 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3855 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3858 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3861 2006-03-07 Richard Guenther <rguenther@suse.de>
3863 PR tree-optimization/26587
3864 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3866 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3868 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3870 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3872 * hooks.c (hook_bool_mode_rtx_true): New function.
3873 * hooks.h (hook_bool_mode_rtx_true): Declare.
3874 * toplev.c (compile_file): Call output_shared_constant_pool.
3875 * varasm.c (shared_constant_pool): New variable.
3876 (assemble_start_function, assemble_end_function): Remove arguments
3877 from call to output_constant_pool.
3878 (create_constant_pool): New function, split out from...
3879 (init_varasm_status): ...here.
3880 (force_const_mem): Choose between the shared and per-function constant
3881 pools. Set current_function_uses_const_pool when reusing old entries
3882 as well as when creating new ones.
3883 (mark_constant): Ignore data argument.
3884 (mark_constants): Remove pool argument.
3885 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3886 to decide whether the function uses a constant pool.
3887 (output_constant_pool_contents): New function, split out from...
3888 (output_constant_pool): ...here.
3889 (output_shared_constant_pool): New function.
3890 (init_varasm_once): Initialize shared_constant_pool.
3891 * output.h (output_constant_pool): Delete.
3892 (output_shared_constant_pool): Declare.
3893 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3894 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3896 2006-03-06 Nick Clifton <nickc@redhat.com>
3898 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3899 flag_strength_reduce.
3901 2006-03-06 Ben Elliston <bje@au.ibm.com>
3903 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3904 x86_64-*-linux* configurations.
3906 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3907 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3909 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3911 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3913 * basic-block.h: Remove the extern for
3914 rediscover_loops_after_threading.
3916 * cfgloop.c (cancel_loop): Make it static.
3917 * cfgloop.h: Remove the prototype for cancel_loop.
3919 * flow.c (recompute_reg_usage): Make it static.
3920 * rtl.h: Remove the prototype for recompute_reg_usage.
3922 * function.c (use_return_register): Make it static.
3923 * function.h: Remove the prototype.
3925 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3927 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3929 * recog.h: Remove the prototype for
3930 validate_change_maybe_volatile.
3932 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3934 * rtlanal.c (replace_reg): Remove.
3935 * rtl.h: Remove the prototype for replace_reg.
3937 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3939 * regclass.c (reg_scan_update): Remove.
3940 (reg_scan_mark_refs): Remove the last argument.
3941 * rtl.h: Remove the prototype for reg_scan_update.
3943 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3945 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3946 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3947 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3948 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3949 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3950 loop-invariant.c, omp-low.c, opts.c, passes.c,
3951 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3952 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3953 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3954 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3955 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3956 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3958 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3960 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3961 * dwarf2out.h: Remove the prototype for
3962 dwarf2out_add_library_unit_info.
3964 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3966 * tree.c (add_var_to_bind_expr): Remove.
3967 * tree.h: Remove the prototype for add_var_to_bind_expr.
3969 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3971 * regclass.c (n_non_fixed_regs): Remove.
3972 (init_reg_sets_1, globalize_reg): Remove all uses of
3974 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3976 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3978 * rtlanal.c (insns_safe_to_move_p): Remove.
3979 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3981 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3983 * expmed.c (expand_mult_add): Remove.
3984 * expr.h: Remove the prototype for expand_mult_add.
3986 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3988 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3989 and REG_SAVED_VAL_EXP constants.
3990 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3991 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3992 Handle regs stored by value.
3993 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3994 (execute_cfa_program): Handle DW_CFA_val_offset,
3995 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3996 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3997 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3998 (uw_install_context_1): Handle target regs stored by value.
4000 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4002 * tree-sra.c (tree_sra): Return todoflags;
4003 (generate_one_element): Set TODO_update_smt_usage if needed.
4004 (pass_sra): Remove TODO_update_smt_usage.
4005 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4007 (tree_ssa_forward_propagate_single_use_vars): Return
4008 TODO_update_smt_usage if we need to update SMT usage.
4009 (pass_forwprop): Remove TODO_update_smt_usage.
4011 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4013 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4014 (correct_use_link): Remove reference to get_stmt_operands.
4015 (update_stmt_operands): Likewise.
4016 (get_modify_expr_operands): New function factored out of
4017 parse_ssa_operands and get_expr_operands.
4018 Try to create V_MUST_DEFs for LHS by default.
4019 (get_expr_operands) <case MODIFY_EXPR>: Call
4020 get_modify_expr_operands.
4021 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4022 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4023 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4024 get_modify_expr_operands.
4026 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4028 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4029 * tree-flow.h: Remove the prototype for
4030 referenced_var_lookup_if_exists.
4032 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4034 PR rtl-optimization/26345
4036 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4038 2006-03-03 Roger Sayle <roger@eyesopen.com>
4040 PR tree-optimization/26524
4041 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4042 fold_convert to create a constant of the appropriate type.
4044 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4046 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4047 SYMBOL_REF_IN_BLOCK_P.
4048 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4049 of SYMBOL_FLAG_IN_BLOCK.
4050 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4051 instead of SYMBOL_REF_IN_BLOCK_P.
4052 * explow.c (use_anchored_address): Likewise.
4053 * rtl.c (rtx_size): Likewise.
4054 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4055 instead of SYMBOL_FLAG_IN_BLOCK.
4056 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4057 SYMBOL_REF_IN_BLOCK_P.
4058 (assemble_variable): Likewise.
4059 (output_constant_def_contents): Likewise.
4060 (output_constant_pool): Likewise.
4061 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4062 instead of SYMBOL_FLAG_IN_BLOCK.
4063 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4064 SYMBOL_REF_IN_BLOCK_P.
4065 (SYMBOL_REF_BLOCK): Likewise.
4066 (SYMBOL_REF_OFFSET): Likewise.
4067 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4068 SYMBOL_REF_IN_BLOCK_P.
4069 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4070 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4071 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4072 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4074 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4076 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4078 2006-03-02 Roger Sayle <roger@eyesopen.com>
4080 * simplify-rtx.c (simplify_unary_operation): When simplifying
4081 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4082 that we perform the right shift in the appropriate mode, and
4083 then extend or truncate the result to requested mode.
4085 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4087 * gengtype.c (main): Handle double_int type.
4088 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4089 * double-int.c: New file.
4090 * double-int.h: New file.
4091 * system.h: Include doubleint.h.
4092 * Makefile.in (SYSTEM_H): Include double-int.h.
4093 (double-int.o): Add.
4095 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4098 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4101 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4103 * tree-vrp.c (remove_range_assertions): Do not update statements
4106 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4108 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4110 * gcse.c (rest_of_handle_gcse): Ditto.
4111 * except.c (gate_handle_eh): Ditto.
4112 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4113 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4115 2006-03-02 Eric Christopher <echristo@apple.com>
4117 * config/i386/i386.c (machopic_output_stub): Add indirection to
4120 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4124 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4126 Sun Niagara specific optimizations.
4127 * config.gcc: Recognize niagara as target.
4128 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4129 (TARGET_CPU_niagara): Define.
4130 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4131 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4132 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4133 (ASM_CPU_SPEC): Likewise.
4134 (PROCESSOR_NIAGARA): New enum entry.
4135 (REGISTER_MOVE_COST): Handle Niagara.
4136 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4137 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4138 (sparc_override_options): Recognize "niagara", set appropriate
4139 default MASK_* values for it, and align functions to 32-bytes
4140 by default just like ULTRASPARC/ULTRASPARC3.
4141 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4142 (sparc64_initialize_trampoline): Likewise.
4143 (sparc_use_sched_lookahead): Use zero for niagara.
4144 (sparc_issue_rate): Use one for niagara.
4145 * config/sparc/niagara.md: New file.
4146 * config/sparc/sparc.md: Include it.
4147 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4148 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4149 when default cpu is niagara.
4150 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4151 (ASM_CPU_SPEC): Likewise.
4152 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4153 when default cpu is niagara.
4154 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4155 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4156 just like v9/ultrasparc/ultrasparc3.
4157 * doc/invoke.texi: Add documentation for "niagara" and improve
4158 existing documentation for ultrasparc variants.
4160 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4162 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4164 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4166 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4167 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4168 and say that only one is needed.
4169 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4170 * target.h (have_switchable_bss_sections): New hook.
4171 * explow.c (use_anchored_address): Check that the symbol is in a block.
4172 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4173 (bss_noswitch_section): New variables.
4174 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4175 (get_noswitch_section): New function.
4176 (get_block_for_section): Allow SECT to be null.
4177 (unlikely_text_section_p): Use SECTION_STYLE.
4178 (bss_initializer_p): New function.
4179 (get_variable_section): Move earlier in file. Take a new argument,
4180 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4181 Return one of the new *_sections in such cases.
4182 (get_block_for_decl): New function, extracting some logic from
4183 use_blocks_for_decl_p.
4184 (change_symbol_section): Remove in favor of...
4185 (change_symbol_block): ...this new function.
4186 (use_blocks_for_decl_p): Remove checks now performed by
4188 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4189 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4190 (emit_local, emit_bss, emit_common): ...these new functions.
4191 Return true if the alignment was honored.
4192 (emit_tls_common): New function.
4193 (asm_emit_uninitialised): Delete.
4194 (assemble_variable_noswitch): New function, split out from...
4195 (assemble_variable): ...here. Don't make decisions about common
4196 variables here. Globalize all public decls that go into non-common
4197 sections. Check whether SYMBOL_REF_BLOCK is null.
4198 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4199 (output_constant_pool): Likewise.
4200 (init_varasm_once): Initialize the new section variables.
4201 (have_global_bss_p): New function.
4202 (categorize_decl_for_section): Use bss_initializer_p.
4203 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4204 (place_block_symbol): Assert that the symbol must be in a block.
4205 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4206 (TARGET_INITIALIZER): Include it.
4207 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4208 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4209 (SECTION_MACH_DEP): Bump by two.
4210 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4211 (unnamed_section): Mention SECTION_UNNAMED in comment.
4212 (named_section): Likewise SECTION_NAMED.
4213 (noswitch_section_callback): New type.
4214 (noswitch_section): New structure.
4215 (section): Add a noswitch_section alternative.
4216 (SECTION_STYLE): New macro.
4217 (tls_comm_section, comm_section, lcomm_section): Declare.
4218 (bss_noswitch_section, have_global_bss_p): Declare.
4219 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4220 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4222 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4223 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4226 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4228 * gcc/tree-vrp.c (execute_vrp): Return value.
4229 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4230 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4231 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4232 (tree_lower_complex_O0): Ditto.
4233 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4234 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4235 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4236 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4237 (execute_tail_calls): Ditto.
4238 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4239 * gcc/tree.h (init_function_for_compilation): Ditto.
4240 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4241 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4242 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4243 * gcc/final.c (compute_alignments): Ditto.
4244 (rest_of_handle_final): Ditto.
4245 (rest_of_handle_shorten_branches): Ditto.
4246 (rest_of_clean_state): Ditto.
4247 * gcc/omp-low.c (execute_expand_omp): Ditto.
4248 (execute_lower_omp): Ditto.
4249 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4250 * gcc/ipa-reference.c (static_execute): Ditto.
4251 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4252 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4253 (rest_of_handle_machine_reorg): Ditto.
4254 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4255 * gcc/flow.c (recompute_reg_usage): Ditto.
4256 (rest_of_handle_remove_death_notes): Ditto.
4257 (rest_of_handle_life): Ditto.
4258 (rest_of_handle_flow2): Ditto.
4259 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4260 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4261 (do_ssa_store_ccp): Ditto.
4262 (execute_fold_all_builtins): Ditto.
4263 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4264 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4265 * gcc/ipa-pure-const.c (static_execute): Ditto.
4266 * gcc/cse.c (rest_of_handle_cse): Ditto.
4267 (rest_of_handle_cse2): Ditto.
4268 * gcc/web.c (rest_of_handle_web): Ditto.
4269 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4270 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4271 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4272 * gcc/tree-nrv.c (tree_nrv): Ditto.
4273 (execute_return_slot_opt): Ditto.
4274 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4275 (create_structure_vars): Ditto.
4276 * gcc/loop-init.c (rtl_loop_init): Ditto.
4277 (rtl_loop_done): Ditto.
4278 (rtl_move_loop_invariants): Ditto.
4279 (rtl_unswitch): Ditto.
4280 (rtl_unroll_and_peel_loops): Ditto.
4281 (rtl_doloop): Ditto.
4282 * gcc/gimple-low.c (lower_function_body): Ditto.
4283 (mark_used_blocks): Ditto.
4284 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4285 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4286 (cgraph_early_inlining): Ditto.
4287 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4288 * gcc/jump.c (cleanup_barriers): Ditto.
4289 (purge_line_number_notes): Ditto.
4290 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4291 (rest_of_handle_if_after_reload): Ditto.
4292 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4293 (tree_ssa_loop_im): Ditto.
4294 (tree_ssa_loop_unswitch): Ditto.
4295 (tree_vectorize): Ditto.
4296 (tree_linear_transform): Ditto.
4297 (tree_ssa_loop_ivcanon): Ditto.
4298 (tree_ssa_empty_loop): Ditto.
4299 (tree_ssa_loop_bounds): Ditto.
4300 (tree_complete_unroll): Ditto.
4301 (tree_ssa_loop_prefetch): Ditto.
4302 (tree_ssa_loop_ivopts): Ditto.
4303 (tree_ssa_loop_done): Ditto.
4304 * gcc/predict.c (tree_estimate_probability): Ditto.
4305 * gcc/recog.c (split_all_insns_noflow): Ditto.
4306 (rest_of_handle_peephole2): Ditto.
4307 (rest_of_handle_split_all_insns): Ditto.
4308 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4309 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4310 (rest_of_handle_stack_adjustments): Ditto.
4311 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4312 * gcc/function.c (instantiate_virtual_regs): Ditto.
4313 (init_function_for_compilation): Ditto.
4314 (rest_of_handle_check_leaf_regs): Ditto.
4315 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4316 (rest_of_handle_gcse): Ditto.
4317 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4318 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4319 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4320 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4321 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4322 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4323 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4324 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4325 * gcc/except.c (set_nothrow_function_flags): Ditto.
4326 (convert_to_eh_region_ranges): Ditto.
4327 (rest_of_handle_eh): Ditto.
4328 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4329 (remove_unnecessary_notes): Ditto.
4330 * gcc/except.h (set_nothrow_function_flags): Ditto.
4331 (convert_to_eh_region_ranges): Ditto.
4332 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4333 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4334 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4335 (execute_fre): Ditto.
4336 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4337 (rest_of_handle_jump2): Ditto.
4338 * gcc/tree-sra.c (tree_sra): Ditto.
4339 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4340 (execute_mudflap_function_decls): Ditto.
4341 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4342 (do_store_copy_prop): Ditto.
4343 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4344 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4345 * gcc/tree-ssa-forwprop.c
4346 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4347 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4348 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4349 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4350 (execute_late_warn_uninitialized): Ditto.
4351 * gcc/rtl.h (cleanup_barriers): Ditto.
4352 (split_all_insns_noflow): Ditto.
4353 (purge_line_number_notes): Ditto.
4354 (unshare_all_rtl): Ditto.
4355 (remove_unnecessary_notes): Ditto.
4356 (recompute_reg_usage): Ditto.
4357 (variable_tracking_main): Ditto.
4358 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4359 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4360 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4361 (execute_free_cfg_annotations): Ditto.
4362 (execute_fixup_cfg): Ditto.
4363 (execute_cleanup_cfg_pre_ipa): Ditto.
4364 (execute_cleanup_cfg_post_optimizing): Ditto.
4365 (execute_init_datastructures): Ditto.
4366 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4367 * gcc/combine.c (rest_of_handle_combine): Ditto.
4368 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4369 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4370 (rest_of_handle_reorder_blocks): Ditto.
4371 (rest_of_handle_partition_blocks): Ditto.
4372 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4373 * gcc/tree-profile.c (tree_profiling): Ditto.
4374 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4375 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4376 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4377 (rest_of_handle_sched2): Ditto.
4378 * gcc/basic-block.h (free_bb_insn): Ditto.
4379 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4380 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4381 (remove_useless_stmts): Ditto.
4382 (split_critical_edges): Ditto.
4383 (execute_warn_function_return): Ditto.
4384 (execute_warn_function_noreturn): Ditto.
4385 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4386 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4387 * gcc/passes.c (execute_one_pass): Run additional
4388 todos returned by execute function.
4389 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4392 2006-03-02 Richard Guenther <rguenther@suse.de>
4394 * tree-ssa-alias.c (find_used_portions): Consider taking
4395 the address as making the variable not write-only.
4397 2006-03-02 Nick Clifton <nickc@redhat.com>
4399 * config.gcc (default_use_cxa_atexit): Extend the description of
4400 this configure variable. Set its default value to "yes" for
4401 Linux, NetBSD and ELF targets on the assumption that they will
4402 use C libraries with the __cxa_atexit function.
4404 2006-03-02 Ben Elliston <bje@au.ibm.com>
4406 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4407 parameter as unused to suppress a build warning.
4409 2006-03-02 Ben Elliston <bje@au.ibm.com>
4411 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4414 2006-03-01 Roger Sayle <roger@eyesopen.com>
4417 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4418 declared name, the weak reference name, and the typeof name.
4419 (__gthrw): Avoid expanding the declared name suffix.
4420 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4422 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4424 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4426 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4427 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4428 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4429 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4430 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4431 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4432 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4433 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4434 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4435 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4436 (DW_END_default, DW_END_big, DW_END_little): New.
4437 (DW_END_lo_user, DW_END_hi_user): Define.
4438 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4439 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4440 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4443 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4445 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4447 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4449 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4451 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4453 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4454 to 'symbol_mem_tag'.
4456 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4459 2006-03-01 Roger Sayle <roger@eyesopen.com>
4461 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4463 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4466 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4467 MACHO_DYNAMIC_NO_PIC_P.
4468 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4470 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4473 * config/darwin-protos.h (darwin_asm_output_anchor):
4475 * config/darwin-sections.def (cstring_section):
4476 Add SECTION_MERGE to the flags.
4477 (literal4_section): Likewise.
4478 (literal8_section): Likewise.
4479 (objc_selector_refs_section): Likewise.
4480 (objc_cls_refs_section): Likewise.
4481 * config/darwin.c (darwin_asm_output_anchor): New
4483 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4485 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4487 Fix PR tree-optimization/26443
4488 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4489 to todo and PROP_tmt_usage to properties_destroyed.
4490 * tree-ssa-ccp.c (pass_ccp): Ditto.
4491 (pass_store_ccp): Ditto.
4492 * tree-ssa-dom.c (pass_dominator): Ditto.
4494 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4496 * tree-ssa-operands.c: Cleanup whitespace.
4497 (get_asm_expr_operands): Move before first invocation.
4498 (get_indirect_ref_operands): Likewise.
4499 (get_tmr_operands): Likewise.
4500 (get_call_expr_operands): Likewise.
4501 (append_def): Likewise.
4502 (append_use): Likewise.
4503 (append_v_may_def): Likewise.
4504 (append_v_must_def): Likewise.
4505 (add_call_clobber_ops): Likewise.
4506 (add_call_read_ops): Likewise.
4507 (add_stmt_operand): Likewise.
4508 (add_virtual_operand): Likewise.
4509 (build_ssa_operands): Likewise.
4511 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4516 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4517 with a call expr to ...
4518 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4520 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4522 * tree-vrp.c (extract_range_from_assert): Remove special
4523 handling for types with super-types.
4525 2006-03-01 Ben Elliston <bje@au.ibm.com>
4527 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4528 and powerpc64-*-linux* configurations.
4529 * config/t-dfprules: New file.
4531 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4532 Compile dfp-bit.c from the source directory using -DWIDTH and
4533 $DFP_CFLAGS to control the compilation of that file, rather than
4534 generating width-specific versions in the build directory.
4535 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4536 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4538 2006-02-28 Zack Weinberg <zackw@panix.com>
4540 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4543 2006-02-28 Eric Christopher <echristo@apple.com>
4545 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4546 Set up IN_LIBGCC definition of TARGET_64BIT.
4547 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4549 2006-02-28 Roger Sayle <roger@eyesopen.com>
4552 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4553 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4554 cases via the construction of "expr != 0".
4556 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4558 * alias.c (alias_invariant, alias_invariant_size): Remove.
4559 (record_base_value): Remove.
4560 (memrefs_conflict_p): Don't look at alias_invariant.
4561 (end_alias_analysis): Don't free it.
4562 * alias.h (record_base_value): Remove prototype.
4564 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4565 Adam Nemet <anemet@caviumnetworks.com>
4567 * rtl.h (truncated_to_mode): Declare it.
4568 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4569 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4570 (RTL_HOOKS_INITIALIZER): Include it.
4571 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4572 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4573 reg_truncated_to_mode.
4574 * rtlanal.c (truncated_to_mode): Define it.
4575 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4577 2006-02-28 Jeff Law <law@redhat.com>
4579 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4580 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4581 the range allowed by TYPE_PRECISION.
4583 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4585 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4587 PR tree-optimization/26419
4588 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4591 2006-02-27 Zack Weinberg <zackw@panix.com>
4593 * doc/md.texi: Fix typo in previous change.
4595 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4599 2006-02-27 Zack Weinberg <zackw@panix.com>
4601 * rtl.def (define_constraint, define_register_constraint)
4602 (define_memory_constraint, define_address_constraint): New MD forms.
4603 * gensupport.c (process_rtx): Put define_constraint etc on the
4605 * genpreds.c (process_define_predicate): Adjust comment. Validate
4606 the name, and call validate_exp to validate the expression.
4607 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4608 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4609 all callers changed.
4610 (validate_exp, needs_variable, struct constraint_data)
4611 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4612 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4613 (const_dbl_constraints, constraint_max_namelen)
4614 (have_register_constraints, have_memory_constraints)
4615 (have_address_constraints, have_address_constraints)
4616 (have_extra_constraints, have_const_int_constraints)
4617 (have_const_dbl_constraints, mangle, add_constraint)
4618 (process_define_constraint, process_define_register_constraint)
4619 (write_enum_constraint_num, write_lookup_constraint)
4620 (write_insn_constraint_len, write_regclass_for_constraint)
4621 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4622 (write_insn_extra_memory_constraint)
4623 (write_insn_extra_address_constraint)
4624 (write_satisfies_constraint_fns): New.
4625 (write_tm_preds_h): If we have new-style constraint definitions,
4626 prototype the functions generated from them, and define the
4627 old constraint interface (still used by generic code) in terms of
4629 (write_insn_preds_c): If we have new-style constraint definitions,
4630 generate all relevant functions from those definitions.
4631 (main): Handle define_constraint etc.
4632 * genoutput.c (struct constraint_data, indep_constraints)
4633 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4634 (mdep_constraint_len): New data structures and functions, defined
4635 #ifdef USE_MD_CONSTRAINTS.
4636 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4637 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4638 use new logic to validate operand constraints against constraint
4640 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4642 * defaults.h: If none of the old-style constraint macros are
4643 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4644 old-style macros; and poison REG_CLASS_FROM_LETTER,
4645 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4647 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4648 * doc/md.texi: Document new constraint-definition mechanism and the
4649 C interface it provides. Remove references to old mechanism
4650 elsewhere in the document.
4651 (Machine Constraints): Use pathnames relative to gcc directory,
4652 i.e. config/ARCH/FILE. Change i386 section to refer to
4653 config/i386/predicates.md; update that section to match docstrings.
4654 * doc/tm.texi: Move all documentation of the old constraint-
4655 definition macros to their own section, clearly mark as obsolete.
4657 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4658 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4660 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4661 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4662 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4664 (splits and peepholes): Use satisfies_constraint_*.
4665 * config/i386/i386.c (memory_address_length)
4666 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4668 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4670 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4671 scalar operation to be put back into the loop.
4673 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4676 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4677 (extract_cie_info): Handle S flag in augmentation string.
4678 (execute_cfa_program): If context->signal_frame, execute also
4679 fs->pc == context->ra instructions.
4680 (uw_frame_state_for): If context->signal_frame, don't subtract one
4681 from context->ra to find FDE.
4682 (uw_update_context_1): Set context->signal_frame to
4684 (_Unwind_GetIPInfo): New function.
4685 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4686 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4688 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4689 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4690 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4691 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4692 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4693 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4694 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4695 x86_64_fallback_frame_state): Set fs->signal_frame.
4696 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4697 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4698 (frob_update_context): Likewise. Workaround missing S flag in
4699 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4700 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4701 Remove the psw_addr + 1 hack.
4703 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4705 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4706 with aggregates here.
4707 (find_func_aliases): Remove code for &<aggregate> from here.
4709 2006-02-26 Roger Sayle <roger@eyesopen.com>
4711 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4712 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4713 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4716 2006-02-26 Roger Sayle <roger@eyesopen.com>
4719 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4721 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4723 * opts.c (decode_options): Do not handle flag_strength_reduce.
4724 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4725 and OPT_fstrength_reduce.
4726 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4727 flag_prefetch_loop_arrays for being nonzero.
4728 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4730 (fprefetch-loop-arrays-rtl): Removed.
4731 (flag_prefetch_loop_arrays): Do not specify the value.
4733 * doc/passes.texi: Update documentation of loop optimizer
4735 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4736 -frerun-loop-opt): Remove.
4738 2006-02-26 Richard Guenther <rguenther@suse.de>
4740 PR tree-optimization/26421
4741 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4742 in function calls that are ADDR_EXPRs as using the whole structure.
4744 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4746 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4747 * tree-pass.h (pass_loop_optimize): Remove.
4748 * passes.c (pass_loop_optimize): Never run it.
4749 * toplev.c (backend_init): Don't call init_loop.
4750 * opts.c (flag_loop_optimize_set): Remove.
4751 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4752 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4753 the old RTL loop optimizer when profiling enabled.
4754 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4755 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4756 pre-headers for the sake of the old RTL loop optimizer.
4757 * Makefile.in: Remove all references to loop.o.
4759 * doc/invoke.texi: Remove all references to -floop-optimize
4760 and -frerun-loop-opt.
4762 2006-02-26 Zack Weinberg <zackw@panix.com>
4764 * doc/md.texi (Machine Constraints): Refer to all files with paths
4765 relative to gcc directory (i.e. config/CPU/file). Add missing
4766 @table @code ... @end table to M32C subsection.
4768 2006-02-26 Roger Sayle <roger@eyesopen.com>
4770 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4772 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4774 2006-02-26 Roger Sayle <roger@eyesopen.com>
4775 James A. Morrison <phython@gcc.gnu.org>
4778 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4779 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4780 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4781 signedness of the shift operation.
4783 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4785 PR tree-optimization/26359
4786 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4788 2006-02-25 Roger Sayle <roger@eyesopen.com>
4790 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4791 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4792 as X == 0, and some symmetry related transformations.
4793 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4795 2006-02-25 Roger Sayle <roger@eyesopen.com>
4798 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4799 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4800 symmetry related transformations. Fold (X^C1) == C2 as
4803 2006-02-25 Juergen Weigert <jw@suse.de>
4804 Richard Guenther <rguenther@suse.de>
4806 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4808 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4810 * combine.c (gen_lowpart_or_truncate): Call
4811 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4813 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4815 * doc/invoke.texi: Move -fopenmp description to "Options for
4817 Remove reference to -lgomp.
4819 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4821 * doc/install.texi: Require GNU tar version 1.14.
4823 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4825 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4826 * doc/invoke.texi (C++ Dialect Options): Document
4827 -fno-use-cxa-get-exception-ptr.
4828 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4829 * configure: Regenerate.
4830 * c.opt (fuse-cxa-get-exception-ptr): New.
4831 * c-opts.c (c_common_handle_option): Handle
4832 OPT_fuse_cxa_get_exception_ptr.
4833 * c-common.c (flag_use_cxa_atexit): Update documentation.
4834 (flag_use_cxa_get_exception_ptr): New.
4835 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4836 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4838 (C_COMMON_OVERRIDE_OPTIONS): New.
4840 2006-02-24 Roger Sayle <roger@eyesopen.com>
4843 * combine.c (try_combine): Explicitly check whether GET_CODE is
4844 a SET or a CLOBBER, instead on checking that it isn't a USE.
4846 2006-02-24 Roger Sayle <roger@eyesopen.com>
4848 * fold-const.c (fold_comparison): New subroutine of fold_binary
4849 containing transformations common to both the equality and
4850 ordering relational operators, factored out of fold_binary.
4851 (fold_binary): Separate out the equality operators (EQ_EXPR
4852 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4853 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4854 transformations common to both.
4855 (fold_div_compare): Fix latent bugs in the previously unreachable
4856 LT_EXPR and GE_EXPR cases.
4858 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4860 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4861 decl libname for clog to __clog on AIX.
4863 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4865 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4868 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4869 output traceback table for thunks. Localise rs6000_stack_info call.
4871 2006-02-23 Roger Sayle <roger@eyesopen.com>
4872 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4874 * gthr-posix.h (__gthrw): Fix typo in comment.
4876 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4878 * doc/cpp.texi (Character sets): Document that we do support
4879 input files to be in any character set.
4881 2006-02-23 Jeff Law <law@redhat.com>
4883 * tree.h (PHI_ARG_NONZERO): Remove.
4884 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4885 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4886 node to the new node.
4888 PR tree-optimization/26425
4889 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4890 min/max, then assume its varying.
4892 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4894 PR rtl-optimization/26316
4895 * rtlanal.c (enum may_trap_p_flags): New.
4896 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4897 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4898 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4899 (may_trap_after_code_motion_p): New function.
4900 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4901 (find_invariant_insn): Use may_trap_after_code_motion_p.
4902 * rtl.h (may_trap_after_code_motion_p): Declare.
4904 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4906 * emit-rtl.c (immed_double_const): Cleanup.
4908 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4910 Fix PR tree-optimization/26376
4911 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4914 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4917 * gimplify.c (omp_add_variable): Guard variable size decl test with
4918 DECL_SIZE (decl) check.
4920 2006-02-23 Richard Guenther <rguenther@suse.de>
4923 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4924 like aggregate types.
4926 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4928 * configure.ac: Add --with{,out}-long-double-128 configure option.
4929 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4930 * configure: Rebuilt.
4931 * config.in: Rebuilt.
4932 * doc/install.texi (Options specification): Document
4933 --with-long-double-128.
4935 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4936 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4937 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4938 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4940 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4942 * config/s390/s390.c (override_options): Handle
4943 TARGET_DEFAULT_LONG_DOUBLE_128.
4945 * config/alpha/alpha.c (override_options): Handle
4946 TARGET_DEFAULT_LONG_DOUBLE_128.
4948 * config/sparc/sparc.c (sparc_override_options): Handle
4949 TARGET_DEFAULT_LONG_DOUBLE_128.
4951 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4953 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4954 (real-install-headers-tar, real-install-headers-cpio)
4955 (real-install-headers-cp): New targets.
4957 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4959 * tree.h (variable_section): Delete.
4960 * varasm.c (variable_section): Delete.
4962 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4964 * install.texi: Add notes on install.texi2html.
4965 (Building in parallel): Do not use footnotes.
4967 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4970 * doc/install.texi (Configuration): Document --disable-libgomp.
4972 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4974 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4976 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4978 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4979 (vec_extractv2df_0_sse): New.
4981 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4983 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4984 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4985 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4986 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4987 to the result of the expression.
4988 (def_cfa_1): Adjust.
4989 (frame_pointer_cfa_offset): Rename to...
4990 (frame_pointer_fb_offset): ... this. Adjust all uses.
4991 (convert_cfa_to_loc_list): Rename to...
4992 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4993 Pass it on to build_cfa_loc.
4994 (compute_frame_pointer_to_cfa_displacement): Rename to...
4995 (compute_frame_pointer_to_fb_displacement): ... this. New
4996 offset parameter. Use it in computation.
4997 (gen_subprogram_die): Compute cfa_fb_offset with the new
4998 macro, and use it to compute the fb loc list and the
5001 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5003 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5004 replaced with register_operand.
5005 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5006 non-DREG is expensive.
5007 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5008 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5011 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5013 * doc/install.texi2html: Use set -e.
5015 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5017 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5018 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5019 * doc/invoke.texi (-fshared-data): Delete.
5020 * common.opt (fshared-data): Delete.
5021 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5022 (assemble_static_space): Remove #if 0 code.
5023 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5024 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5025 * config/cris/cris.h: Remove FIXME.
5027 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5029 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5032 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5035 * combine.c (simplify_shift_const_1): Disable nested shifts
5036 optimization for vector shifts.
5038 2006-02-20 Roger Sayle <roger@eyesopen.com>
5040 PR tree-optimization/26361
5041 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5042 of unsigned integer types.
5044 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5046 * tree-chrec.c (eq_evolutions_p): New.
5047 * tree-chrec.h (eq_evolutions_p): Declared.
5048 * tree-data-ref.c: Fix formatting.
5049 (datadep_stats, dependence_stats): New.
5051 (print_direction_vector): New.
5052 (dump_data_dependence_relation): Use print_direction_vector.
5053 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5054 (compute_subscript_distance): Static.
5055 (initialize_data_dependence_relation): Static. Get the number
5056 of loops surrounding the references from the callers, and initialize
5057 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5058 base_object_differ_p analyzers.
5059 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5060 compute_overlap_steps_for_affine_1_2,
5061 analyze_subscript_affine_affine): Count the classified dependences.
5062 Print a message when a test failed.
5063 (can_use_analyze_subscript_affine_affine): New.
5064 (analyze_siv_subscript): Compute the data dependences on symbolic
5065 scevs that verify can_use_analyze_subscript_affine_affine.
5066 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5067 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5068 Handle symbolic scevs.
5069 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5071 (subscript_dependence_tester): Moved...
5072 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5073 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5074 DDR_SIZE_VECT instead of getting it in parameter.
5075 (subscript_dependence_tester): ... here. Take as a parameter
5076 loop_nest_depth. Call build_classic_dist_vector and
5077 build_classic_dir_vector.
5078 (compute_affine_dependence): Update subscript_dependence_tester
5079 parameters. Update datadep_stats counters. Call
5080 compute_subscript_distance.
5081 (compute_self_dependence): Save the dist and dir vectors. Call
5082 compute_subscript_distance.
5083 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5084 (compute_all_dependences): Reorder parameters as they were before
5085 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5086 compute_subscript_distance. Update the use of
5087 compute_affine_dependence and initialize_data_dependence_relation.
5088 (find_data_references_in_loop): Handle COMPONENT_REF.
5089 (compute_data_dependences_for_loop): Initialize dependence_stats.
5090 Don't call build_classic_dist_vector and build_classic_dir_vector.
5091 Update the parameters of initialize_data_dependence_relation and
5092 compute_all_dependences. Print the statistics from datadep_stats.
5093 (analyze_all_data_dependences): Static. Not used until the pass for
5094 checking the data dependences is contributed.
5095 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5096 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5097 (initialize_data_dependence_relation, compute_affine_dependence,
5098 analyze_all_data_dependences, compute_subscript_distance): Removed.
5099 (print_direction_vector): New.
5100 * lambda.h (gcd): ... here.
5101 (lambda_vector_gcd): Moved here from gcd_vector.
5102 * lambda-code.c (gcd, gcd_vector): Removed.
5103 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5104 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5106 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5108 * ipa-type-escape.c: Tidy some comments and white space.
5109 * tree-ssa-operands.c: Likewise.
5111 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5114 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5115 (dump_decl_name): Do not walk the decl tree chains.
5116 * tree-pass.h (TDF_CHAIN): Remove.
5118 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5120 * Makefile.in (C): Remove
5122 (.PHONY): Remove C and PROTO
5124 2006-02-20 Roger Sayle <roger@eyesopen.com>
5127 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5128 deprecated CHAR_TYPE tree code.
5130 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5132 * configure.ac (target_list): Add install-info, dvi, html.
5133 * configure: Regenerate.
5135 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5136 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5137 treelang/Make-lang.in: Do not use double-colon rules.
5139 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5141 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5142 (TMT_USED_ALONE): New macro.
5143 * tree-pass.h (PROP_tmt_usage): New property.
5144 (TODO_update_tmt_usage): New todo.
5145 * tree-ssa-alias.c (updating_used_alone): New variable.
5146 (recalculate_used_alone): New function.
5147 (compute_may_aliases): Set updating_used_alone, call
5148 recalculate_used_alone.
5149 * tree-sra.c (pass_sra): Note that this pass destroys
5150 PROP_tmt_usage, and add TODO_update_tmt_usage.
5151 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5152 * tree-flow.h (updating_used_alone): Prototype.
5153 (recalculate_used_alone): Ditto.
5154 * passes.c (execute_todo): Add code to set updating_used_alone,
5155 and call recalculate.
5156 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5157 for clobber if used alone, and add assert to verify used_alone
5160 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5162 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5163 for non tls symbols added.
5164 (legitimize_address): Do nothing for PLUS expressions if one of the
5165 addends is a tls symbol reference.
5167 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5171 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5173 * Makefile.in (BOOTSTRAPPING): New.
5174 (quickstrap): New definition if BOOTSTRAPPING=yes.
5176 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5177 * configure.ac: Substitute all_selected_languages with the languages
5178 that were configured. For all the other variables except
5179 lang_specs_files, include all the languages in the tree.
5180 * configure: Regenerate.
5182 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5183 if there is one. Run the commands to run fixincludes in the same
5186 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5187 * doc/install.texi: Document exact conventions for searching target tools.
5188 Document --with-build-time-tools. Document toplevel bootstrap. Document
5189 something more about building an Ada cross-compiler. Don't list GNU Make
5190 requirements which affect all platforms.
5192 2006-02-19 Roger Sayle <roger@eyesopen.com>
5195 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5196 only equivalent if the have both the same mode and precision.
5198 2006-02-20 Ben Elliston <bje@au.ibm.com>
5200 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5202 2006-02-19 Roger Sayle <roger@eyesopen.com>
5203 Steven Bosscher <stevenb.gcc@gmail.com>
5205 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5206 constant pool references to identify stack mode constants.
5207 * rtlanal.c (constant_pool_constant_p): New predicate to check
5208 whether operand is a floating point constant in the pool.
5209 * rtl.h (constant_pool_constant_p): Prototype here.
5210 * loop.c (scan_loop): Avoid hoisting constants from the constant
5211 pool on STACK_REGS targets.
5212 (load_mems): Likewise.
5213 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5214 loads into x87 registers expensive in terms of register pressure.
5216 2006-02-19 Roger Sayle <roger@eyesopen.com>
5218 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5219 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5221 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5223 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5224 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5226 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5228 * doc/invoke.texi: Document -fipa-pta.
5229 * common.opt: Add ipa-pta option.
5230 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5231 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5232 (do_ds_constraint): Ditto.
5233 (get_constraint_for): Only add to referenced_vars if
5234 referenced_vars exists.
5235 (insert_into_field_list): Rewrite to do this unsorted.
5236 (insert_into_field_list_sorted): Rename old insert_into_field_list
5238 (create_function_info_for): Use insert_into_field_list_sorted.
5239 (create_variable_info_for): Rewrite so it uses unsorted version,
5240 since the field list is sorted.
5241 (intra_create_variable_infos): Only add to referenced_vars if
5242 referenced_vars exists.
5243 (ipa_pta_execute): Init heapvars, and delete when done.
5244 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5246 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5248 * doc/install.texi: Add missing `@samp'.
5250 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5252 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5255 2006-02-18 Mark Wielaard <mark@klomp.org>
5257 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5258 who added new 4.1 features, bug fixes and integration support.
5260 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5263 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5266 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5268 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5269 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5270 (copy_insn_1): Likewise. Don't copy each field individually.
5272 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5274 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5275 * rtl.c (rtx_size): Rename variable to...
5276 (rtx_code_size): ...this.
5277 (rtx_size): New function.
5278 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5279 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5281 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5282 * rtl.h (rtx_code_size): New variable.
5283 (rtx_size): Change from a variable to a function.
5284 (RTX_SIZE): Rename to...
5285 (RTX_CODE_SIZE): ...this.
5288 PR tree-optimization/17106
5289 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5290 (Anchored Addresses): New section.
5291 * doc/invoke.texi (-fsection-anchors): Document.
5292 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5293 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5294 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5295 * hooks.c (hook_bool_mode_rtx_false): New function.
5296 * hooks.h (hook_bool_mode_rtx_false): Declare.
5297 * gengtype.c (create_optional_field): New function.
5298 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5299 SYMBOL_REF_IN_BLOCK_P is true.
5300 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5301 (min_anchor_offset, max_anchor_offset): Likewise.
5302 (use_anchors_for_symbol_p): New hook.
5303 * toplev.c (compile_file): Call output_object_blocks.
5304 (target_supports_section_anchors_p): New function.
5305 (process_options): Check that -fsection-anchors is only used on
5306 targets that support it and when -funit-at-a-time is in effect.
5307 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5308 if the decl doesn't have one.
5309 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5310 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5311 of force_const_mem through use_anchored_address.
5312 (expand_expr_constant): New function.
5313 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5314 calling expand_expr for INDIRECT_REF.
5315 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5316 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5317 * expr.h (use_anchored_address): Declare.
5318 * loop-unroll.c: Don't declare rtx vectors here.
5319 * explow.c: Include output.h.
5320 (validize_mem): Call use_anchored_address.
5321 (use_anchored_address): New function.
5322 * common.opt (-fsection-anchors): New switch.
5323 * varasm.c (object_block_htab, anchor_labelno): New variables.
5324 (hash_section, object_block_entry_eq, object_block_entry_hash)
5325 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5326 (use_blocks_for_decl_p, change_symbol_section): New functions.
5327 (get_variable_section): New function, split out from assemble_variable.
5328 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5329 use_blocks_for_decl_p say so. Use change_symbol_section if the
5330 symbol has already been created.
5331 (assemble_variable_contents): New function, split out from...
5332 (assemble_variable): ...here. Don't output any code for
5333 block symbols; just pass them to place_block_symbol.
5334 Use get_variable_section and assemble_variable_contents.
5335 (get_constant_alignment, get_constant_section, get_constant_size): New
5336 functions, split from output_constant_def_contents.
5337 (build_constant_desc): Create a block symbol if use_object_blocks_p
5338 says so. Or into SYMBOL_REF_FLAGS.
5339 (assemble_constant_contents): New function, split from...
5340 (output_constant_def_contents): ...here. Don't output any code
5341 for block symbols; just pass them to place_section_symbol.
5342 Use get_constant_section and get_constant_alignment.
5343 (force_const_mem): Create a block symbol if use_object_blocks_p and
5344 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5345 (output_constant_pool_1): Add an explicit alignment argument.
5346 Don't switch sections here.
5347 (output_constant_pool): Adjust call to output_constant_pool_1.
5348 Switch sections here instead. Don't output anything for block symbols;
5349 just pass them to place_block_symbol.
5350 (init_varasm_once): Initialize object_block_htab.
5351 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5352 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5353 (place_block_symbol, get_section_anchor, output_object_block)
5354 (output_object_block_htab, output_object_blocks): New functions.
5355 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5356 (TARGET_ASM_OUT): Include it.
5357 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5358 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5359 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5360 (TARGET_INITIALIZER): Include them.
5361 * rtl.c (rtl_check_failed_block_symbol): New function.
5362 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5363 (block_symbol, object_block): New structures.
5364 (rtx_def): Add a block_symbol field to the union.
5365 (BLOCK_SYMBOL_CHECK): New macro.
5366 (rtl_check_failed_block_symbol): Declare.
5367 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5368 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5369 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5370 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5371 * output.h (output_section_symbols): Declare.
5372 (object_block): Name structure.
5373 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5374 (default_use_anchors_for_symbol_p): Declare.
5375 * Makefile.in (RTL_BASE_H): Add vec.h.
5376 (explow.o): Depend on output.h.
5377 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5378 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5379 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5380 (rs6000_use_blocks_for_constant_p): New function.
5382 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5384 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5386 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5389 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5392 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5394 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5398 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5401 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5402 instead of DECL_REGISTER.
5404 2006-02-18 Olivier Hainque <hainque@adacore.com>
5407 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5409 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5412 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5413 * opth-gen.awk: Handle Var and InverseMask together.
5414 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5415 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5416 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5417 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5419 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5420 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5421 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5422 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5423 LINUX_DYNAMIC_LINKER): Define.
5424 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5425 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5427 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5428 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5429 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5430 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5431 (TARGET_C99_FUNCTIONS): Don't define.
5432 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5433 GLIBC_DYNAMIC_LINKER.
5434 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5435 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5436 GLIBC_DYNAMIC_LINKER64): Define.
5437 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5438 LINUX_DYNAMIC_LINKER64.
5439 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5440 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5441 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5442 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5443 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5444 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5445 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5446 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5447 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5448 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5449 and LINUX_DYNAMIC_LINKER32.
5450 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5451 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5452 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5453 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5454 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5456 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5457 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5458 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5459 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5460 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5461 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5462 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5463 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5464 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5465 LINUX_DYNAMIC_LINKER): Define.
5466 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5467 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5468 GLIBC_DYNAMIC_LINKER64): Define.
5469 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5470 LINUX_DYNAMIC_LINKER64.
5471 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5472 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5473 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5474 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5475 LINUX_DYNAMIC_LINKER): Define.
5476 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5477 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5478 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5479 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5480 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5481 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5482 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5483 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5484 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5485 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5486 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5487 * doc/invoke.texi (-muclibc): Remove caveat about supported
5490 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5492 * doc/cpp.texi (__TIMESTAMP__): Document.
5494 2006-02-17 Roger Sayle <roger@eyesopen.com>
5497 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5498 C is one less than the width of X (and related transformations).
5499 * simplify-rtx.c (simplify_unary_operation_1): Transform
5500 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5501 depending on STORE_FLAG_VALUE, were C is one less then the
5504 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5506 Fix PR tree-optimization/26341
5507 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5508 about NAME_MEMORY_TAG's.
5510 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5513 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5514 with hardware float support, and software float support. Add fcpy
5515 alternative to hardware patterns. Add alternatives to copy between
5516 general and floating-point registers to the 32-bit pattern.
5517 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5518 secondary reload to load a QI or HI mode constant into a floating
5520 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5521 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5523 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5526 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5528 (load_macho_picbase_di): Likewise.
5530 2006-02-16 Jeff Law <law@redhat.com>
5532 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5533 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5534 (ssa_name_nonzero_p): Likewise.
5535 (get_value_range): Return NULL if VRP is not running.
5536 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5537 VRP routines do not discover a range.
5538 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5539 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5540 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5541 (tree_expr_nonnegative_p): Similarly.
5542 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5543 (restore_nonzero_vars_to_original_value): Remove.
5544 (unsafe_associative_fp_binop): Remove.
5545 (tree_ssa_dominator_optimize): Remove initialization and
5546 finalization of nonzero_vars and nonzero_vars_stack.
5547 (dom_opt_initialize_block): No longer push marker on
5549 (dom_opt_finalize_block): No longer call
5550 restore_nonzero_vars_to_original_value.
5551 (record_equivalences_from_phis): No longer look for
5552 nonzero PHI arguments.
5553 (cprop_into_successor_phis): No longer propagate nonzero
5554 property into PHI arguments. Lose unused argument. Caller
5556 (record_equivalences_from_stmt): No longer record nonzero
5557 values for SSA_NAMEs.
5558 (lookup_avail_expr): No longer use nonzero_vars.
5560 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5561 for sizetype when sizetype is unsigned.
5563 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5565 PR rtl-optimization/25603
5566 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5567 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5568 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5569 with new meaning of SETS.
5571 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5576 * config/linux.opt: New file.
5577 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5578 LINUX_DYNAMIC_LINKER): Define.
5579 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5580 * config.gcc (*-*-linux*): Define extra_options.
5581 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5582 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5583 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5584 GLIBC_DYNAMIC_LINKER.
5585 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5586 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5587 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5588 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5589 * doc/invoke.texi (GNU/Linux Options): New section.
5591 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5593 * config/sparc/sparc.md (setjmp): Rewrite.
5594 (setjmp_32): Delete.
5595 (setjmp_64): Likewise.
5597 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5599 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5602 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5604 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5607 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5609 PR rtl-optimization/26296
5610 * Makefile.in (loop-invariant.c): Add except.h dependency.
5611 * loop-invariant.c: Include except.h.
5612 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5614 2005-02-16 Paul Brook <paul@codesourcery.com>
5616 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5619 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5621 PR rtl-optimization/25636
5622 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5623 when deciding whether an insn is an initializing insn.
5625 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5627 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5628 (tree_code_size): Ditto.
5629 * tree.h (struct tree_memory_tag): Remove parent_var.
5630 (struct tree_struct_field_tag): New.
5633 (union tree_node): Add sft member.
5634 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5636 (create_sft): Add size and offset argument, set SFT_OFFSET and
5638 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5639 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5640 * tree-flow-inline.h (get_subvar_at): Update for
5641 SFT_OFFSET/SFT_SIZE.
5642 (var_can_have_subvars): Ditto.
5643 (overlap_subvar): Ditto.
5644 * print-tree.c (print_node): Print out interesting things for
5646 * tree-flow.h (struct subvar): Remove offset and size members.
5647 * tree-ssa-operands.c (get_expr_operands): Update for
5648 get_indirect_ref_operands changes.
5649 (get_indirect_ref_operands): Call add_virtual_operand instead of
5650 add_stmt_operand. Only recurse on base var if requested.
5651 (access_can_touch_variable): New function.
5652 (add_stmt_operand): Split virtual operand handling into ...
5653 (add_virtual_operand): Here. Add offset, size, and for_clobber
5654 arguments. Prune alias sets.
5655 (add_call_clobber_ops): Call add_virtual_operand.
5657 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5660 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5662 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5663 than TREE_CODE as index into omp_clause_num_ops array.
5665 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5667 PR rtl-optimization/26184
5668 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5670 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5671 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5672 must_precede, must_follow and tobe_scheduled.
5675 * opts.c (common_handle_option): Free new_option pointer.
5676 * df-core.c (df_analyze): Free postorder pointer.
5678 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5680 * Makefile.in: Fix the examples about the use of stamps
5682 2006-02-15 Michael Matz <matz@suse.de>
5686 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5687 influenced by maximum_field_alignment or DECL_PACKED.
5688 (update_alignment_for_field): Ditto.
5689 (place_field): Ditto.
5690 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5693 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5695 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5696 (debug_flow_info): Pass it.
5697 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5698 * bb-reorder.c (reorder_basic_blocks): Likewise.
5699 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5700 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5701 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5702 * gcse.c (gcse_main, bypass_jumps): Likewise.
5703 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5704 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5705 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5706 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5707 * rtl.h (dump_flow_info): Adjust prototype.
5708 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5709 * var-tracking.c (variable_tracking_main): Likewise.
5710 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5711 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5714 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5716 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5719 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5721 PR tree-optimization/26209
5722 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5723 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5725 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5727 2006-02-14 Roger Sayle <roger@eyesopen.com>
5730 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5731 (X,Y) and the corresponding symmetry related transformations.
5732 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5733 (X,Y) and its symmetry related transformations.
5735 2006-02-14 Roger Sayle <roger@eyesopen.com>
5737 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5740 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5742 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5744 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5747 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5748 support COMDAT group.
5749 * configure: Regenerate.
5751 2006-02-14 Roger Sayle <roger@eyesopen.com>
5756 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5758 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5760 Fix PR tree-optimization/26260
5762 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5764 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5765 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5766 * tree-ssa-structalias.c (create_variable_info_for): Use
5767 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5769 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5771 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5773 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5774 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5775 of the ending condition.
5776 * tree-ssa-loop-manip.c: Include params.h.
5777 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5778 tree_unroll_loop): New functions.
5779 * tree-pass.h (pass_loop_prefetch): Declare.
5780 * loop.c (rest_of_handle_loop_optimize): Test for
5781 -fprefetch-loop-arrays-rtl.
5782 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5783 * timevar.def (TV_TREE_PREFETCH): New timevar.
5784 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5785 pass_loop_prefetch): New.
5786 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5787 (cleanup_tree_cfg_loop): Call scev_reset.
5788 * common.opt (fprefetch-loop-arrays-rtl): Add.
5789 * tree-ssa-loop-prefetch.c: New file.
5790 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5791 (new_temp_expr_table): Initialize expr_vars.
5792 (free_temp_expr_table): Cleanup expr_vars.
5793 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5794 expressions from being merged into one.
5795 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5796 (struct tree_niter_desc): Add control, bound and cmp fields.
5797 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5799 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5800 (tree-cfgcleanup.o): Add SCEV_H dependency.
5801 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5802 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5804 2006-02-14 Richard Guenther <rguenther@suse.de>
5806 PR tree-optimization/26258
5807 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5808 in PHI argument processing.
5810 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5812 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5813 new expression in the requested machine mode.
5815 2006-02-13 Roger Sayle <roger@eyesopen.com>
5817 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5818 directly, instead let do_compare_rtx_and_jump handle this for us.
5819 * expr.c (expand_expr_real_1): Likewise.
5820 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5821 before do_jump_by_parts_greater.
5822 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5823 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5825 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5827 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5829 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5831 PR rtl-optimization/26235
5832 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5833 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5836 2006-02-13 Jeff Law <law@redhat.com>
5838 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5841 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5844 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5845 twice if decl is a builtin. When trying again, call get_callee_fndecl
5846 first to verify it is still a builtin.
5848 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5850 * dwarf2out.c (base_type_die): Don't add AT_name here.
5851 (subrange_type_die): Don't add AT_name here.
5852 (modified_type_die): Rearrange code flow. Do add AT_name here.
5854 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5856 PR rtl-optimization/26247
5857 PR rtl-optimization/26248
5858 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5860 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5862 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5863 * config/fixtfdi.c: Likewise.
5864 * config/fixunstfdi.c: Likewise.
5865 * config/floatditf.c: Likewise.
5867 2006-02-13 Roger Sayle <roger@eyesopen.com>
5870 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5871 into (X,C2) if C1 is a subset of the bits of C2. Transform
5872 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5874 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5876 2006-02-13 Josh Conner <jconner@apple.com>
5879 * varasm.c (function_section): Check for section name before
5880 calling select_section on targets that define
5881 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5882 unlikely_text_section instead of hot_function_section if
5883 first_function_block_is_cold.
5885 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5888 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5890 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5892 PR rtl-optimization/26222
5893 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5894 after tree->rtl expansion.
5895 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5896 before passing it to emit_move_insn.
5898 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5900 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5902 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5903 Clarify documentation.
5904 * c-common.h (warn_write_strings): Remove.
5905 * c-common.c (warn_write_strings): Likewise.
5906 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5909 2006-02-12 Roger Sayle <roger@eyesopen.com>
5912 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5913 (do_jump_parts_zero_rtx): New function renamed from
5914 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5915 (do_jump_parts_equality_rtx): New function split out from
5916 do_jump_parts_equality. Old implementation renamed as above.
5917 Call do_jump_parts_zero_rtx if either operand is zero.
5918 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5919 do all of the heavy lifting.
5920 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5921 calling either do_jump_by_parts_greater_rtx or
5922 do_jump_by_parts_equality_rtx.
5923 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5924 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5925 moved to do_compare_rtx_and_jump, call it directly.
5926 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5927 mode argument. Call do_compare_rtx_and_jump.
5928 (emit_case_nodes): Update calls to do_jump_if_equal.
5930 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5932 PR rtl-optimization/26225
5933 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5935 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5937 PR rtl-optimization/26232
5938 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5940 2006-02-11 Jason Merrill <jason@redhat.com>
5943 * tree-inline.c (declare_return_variable): Just don't use the
5944 modify target if it's a gimple complex reg and the return slot
5947 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5949 * doc/contrib.texi: Update my entry.
5951 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5953 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5955 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5957 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5960 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5962 * doc/invoke.texi (-floop-optimize2): Removed.
5963 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5964 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5965 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5966 * common.opt (floop-optimize2): Removed.
5967 (fmove-loop-invariants): Enabled by default.
5969 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5971 * tree-if-conv.c (combine_blocks): Free the result of
5972 get_loop_exit_edges.
5974 2006-02-10 Jeff Law <law@redhat.com>
5976 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5978 PR tree-optimization/26213
5979 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5980 loop trying to follow SSA_NAME_VALUE chains.
5982 2006-02-10 Richard Guenther <rguenther@suse.de>
5984 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5985 deal with structures that end in implicitly variable sized arrays.
5987 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5989 PR rtl-optimization/24762
5990 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5993 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5995 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5996 (struct ivopts_data): Add regs_used field.
5997 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5998 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5999 instead of loop_data->regs_used;
6000 (free_loop_data): Do not free aux fields for loops.
6001 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6002 and tree_ssa_iv_optimize_finalize.
6004 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6006 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6008 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6011 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6012 computing the effective result type.
6014 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6017 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6018 (tree_overlaps_hard_reg_set): Declare.
6019 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6020 type and signature to match function type expected by walk_tree.
6021 (tree_overlaps_hard_reg_set): New function.
6022 (decl_conflicts_with_clobbers_p): Rename to:
6023 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6024 Use tree_overlaps_hard_reg_set. Changed caller.
6025 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6026 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6027 * cris.c (cris_md_asm_clobbers): Likewise.
6029 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6031 * reload1.c (emit_input_reload_insns): Delete code that tries to
6032 inherit using find_equiv_reg.
6034 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6036 * c-common.h (flag_const_strings): Don't declare.
6037 * c-common.c (flag_const_strings): Remove.
6038 * c.opt (fconst_strings): Remove.
6039 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6040 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6041 (c_common_init_options): Don't set flag_const_strings.
6042 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6044 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6046 * arm.md (tlobits_cbranch): New pattern.
6047 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6048 testing a single bit.
6050 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6053 * tree-ssa-pre.c (create_component_ref_by_pieces):
6054 Handle RETURN_DECL like VAR_DECL.
6056 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6059 * fold-const.c (fold_indirect_ref_1): Fold
6060 "*(foo *)&complexfoo" to "__real__ complexfoo"
6061 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6063 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6065 * tree-flow-inline.h (var_can_have_subvars):
6066 Volatile variables should not have subvariables.
6068 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6071 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6072 multiplying unsigned values.
6075 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6077 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6079 2006-02-08 Jason Merrill <jason@redhat.com>
6082 * tree.def: Elaborate on difference from MODIFY_EXPR.
6083 * doc/c-tree.texi (INIT_EXPR): Likewise.
6084 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6085 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6086 (gimplify_target_expr): Likewise.
6087 (gimplify_cond_expr): Remove target handling.
6088 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6089 (gimplify_expr): Clobber it here.
6090 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6091 Do return slot optimization if we have an INIT_EXPR.
6094 * tree-inline.c (declare_return_variable): Also clear
6095 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6098 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6101 * gimplify.c (gimplify_one_sizepos): Fix typo.
6103 2006-02-08 Jeff Law <law@redhat.com>
6105 PR tree-optimization/21417
6106 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6107 across a backedge if the control statement at the end of the
6108 block is data dependent on other statements in the same block.
6109 (record_temporary_equivalences_from_stmts): Remove over-conservative
6110 test for threading across backedges.
6112 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6113 control statement, handle all three special cases in the same
6114 manner as they all have the same desired solution. No longer
6115 special case edge flag updating when the post dominator is
6118 2006-02-08 Roger Sayle <roger@eyesopen.com>
6120 * tree.def (CHAR_TYPE): Remove.
6121 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6122 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6123 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6124 (gen_string_type_die): Delete unreachable function.
6126 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6127 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6128 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6129 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6130 * builtins.c (type_to_class): Likewise.
6131 * fold-const.c (fold_convert, build_range_check,
6132 merge_ranges): Likewise.
6133 * expr.c (count_type_elements): Likewise.
6134 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6135 * stor-layout.c (layout_type): Likewise.
6136 * ipa-type-escape.c (type_to_consider): Likewise.
6137 * gimplify.c (omp_firstprivatize_type_sizes,
6138 gimplify_type_sizes): Likewise.
6139 * explow.c (promote_mode): Likewise.
6140 * tree-sra.c (is_sra_scalar_type): Likewise.
6141 * varasm.c (output_constant): Likewise.
6142 * tree-inline.c (remap_type_1): Likewise.
6143 * convert.c (convert_to_pointer, convert_to_real,
6144 convert_to_integer, convert_to_complex): Likewise.
6146 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6148 * df-scan.c (df_def_record_1): A set destination may
6149 be a parallel regardless of mode.
6151 2006-02-08 Roger Sayle <roger@eyesopen.com>
6154 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6155 * config/mips/_tilib.c: Remove.
6156 * config/fixtfdi.c: New libgcc source file.
6157 * config/fixunstfdi.c: New source file.
6158 * config/floatditf.c: New source file.
6159 * config/floatunditf.c: New souce file.
6160 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6161 files above instead of config/mips/_tilib.c.
6162 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6164 2006-02-08 Jeff Law <law@redhat.com>
6166 PR tree-optimization/26169
6167 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6170 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6172 * df.h (DF_REG_SIZE): Return the length of the initialized
6175 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6177 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6178 __muldf3): Return a correctly signed zero.
6180 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6182 * passes.c (register_one_dump_file): Accept the current properties
6183 instead of pass number. Adjust call to dump_register. Remove
6185 (register_dump_files): Now a wrapper around...
6186 (register_dump_files_1): ... this one. Do not modify the pass
6188 (next_pass_1): Cosmetic fix.
6189 (execute_todo): Keep second parameter only. Use curr_properties
6190 instead of fetching it from the pass structure. Check and set
6192 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6193 instead of fetching it from the pass structure. Fix calls to
6194 execute_todo. Update curr_properties and initialize .vcg RTL dump
6195 after running the pass. Reset last_verified.
6196 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6198 (FIRST_AUTO_NUMBERED_DUMP): New.
6199 (dump_register): Remove "num" parameter, assign it within the
6201 (get_dump_file_name): Modify template for dumps.
6202 * tree-dump.h (dump_register): Adjust prototype.
6203 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6204 (PROP_trees): Add PROP_gimple_lomp.
6205 (TODO_set_props): New.
6206 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6207 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6208 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6210 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6212 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6213 (sparc64-*-linux*): Likewise.
6214 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6215 * config/sparc/t-linux: New file.
6216 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6217 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6218 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6219 -m32 -mlong-double-128.
6221 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6222 * config/alpha/t-linux: New file.
6223 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6225 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6226 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6227 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6228 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6229 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6230 (CPP_ARCH32_SPEC): Remove.
6232 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6234 PR tree-optimization/26145
6235 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6238 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6241 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6242 >= 240000 when generating code for SOM runtime.
6243 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6244 to $$dyncall when generating code for SOM runtime..
6246 2006-02-07 Dirk Mueller <dmueller@suse.com>
6249 * doc/invoke.texi (-Wsequence-point): Update documentation
6250 that -Wsequence-point is implemented for C++ as well.
6252 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6254 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6255 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6256 (LIB_SPEC): Likewise.
6257 * doc/invoke.texi (SPARC options): Document -pthread.
6259 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6261 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6264 2006-02-07 Roger Sayle <roger@eyesopen.com>
6266 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6267 Correct comment describing BOOLEAN_TYPE.
6269 2006-02-07 Dirk Mueller <dmueller@suse.com>
6271 * c.opt: C++ frontend supports -Wdiv-by-zero.
6272 * c-opts.c (c_common_handle_option): Remove dead case.
6274 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6276 * configure.ac (TLS assembler check): Do not enable TLS by
6277 default on SPARC/Solaris before version 10.
6278 * configure: Regenerate.
6280 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6282 * doc/invoke.texi (xl-compat): Document conversion and support
6285 2006-02-07 Jeff Law <law@redhat.com>
6287 * tree-vrp.c (find_conditional_asserts): Update comments.
6288 (simplify_stmt_for_jump_threading): New.
6289 (identify_jump_threads, finalize_jump_threads): New.
6290 (vrp_finalize): Call identify_jump_threads.
6291 (execute_vrp): Call finalize_jump_threads.
6292 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6293 (vrp_element, vrp_data, vrp_element_p): Remove.
6294 (vrp_hash_elt, vrp_variables_stack): Remove.
6295 (vrp_hash, vrp_eq, record_range): Remove.
6296 (simplify_cond_and_lookup_avail_expr): Remove.
6297 (extract_range_from_cond): Remove.
6298 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6299 (simplify_stmt_for_jump_threading): New.
6300 (dom_thread_across_edge): New wrapper.
6301 (tree_ssa_dominator_optimize): No longer initialize or
6302 finalize any of the VRP datastructures. Remove iteration
6303 step and simplify as a result of removal of iteration step.
6304 (pass_dominator): Perform a cfg cleanup after DOM.
6305 (dom_opt_finalize_block): Use the new common routines
6306 for threading jumps. Simplify stack management slightly.
6307 No longer need to unwind VRP state.
6308 (record_equivalences_from_incoming_edge): No longer record
6310 (eliminate_redundant_computations): No longer call
6311 simplify_cond_and_lookup_avail_expr.
6312 * tree-flow.h (potentially_threadable_block): Prototype.
6313 (thread_across_edge): Likewise.
6314 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6315 (tree-ssa-threadedge.o): Add dependencies.
6316 * tree-ssa-threadedge.c: New file.
6317 * passes.c (init_optimization_passes): Merge PHIs before
6318 calling VRP. Run VRP again late in the SSA optimization pipeline.
6320 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6322 * df-core.c (df_set_blocks): Do not dereference function pointers.
6323 (df_finish1): Likewise.
6324 (df_hybrid_search_forward): Likewise.
6325 (df_hybrid_search_backward): Likewise.
6326 (df_iterative_dataflow): Likewise.
6327 (df_analyze_problem): Likewise.
6328 (df_compact_blocks): Likewise.
6329 (df_dump): Likewise.
6330 * df-scan.c (df_rescan_blocks): Likewise.
6331 (df_record_entry_block_defs): Likewise.
6333 * genconditions.c (write_conditions): Guard the definition of
6334 'insn_conditions' with the check on GCC version.
6335 (write_writer): Guard the traversal 'insn_conditions' with
6336 the check on GCC version.
6338 2006-02-07 Richard Guenther <rguenther@suse.de>
6342 2006-01-30 Richard Guenther <rguenther@suse.de>
6344 * gimplify.c (gimplify_target_expr): Handle easy cases
6345 without creating a temporary.
6347 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6349 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6350 use of float in probability computations. Use edge probabilities
6351 in place of statically computed probabilities.
6352 (min_spec_prob): New static variable.
6353 (schedule_insns): Initialize it.
6354 (GET_SRC_PROB): Removed.
6355 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6357 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6360 * config/ia64/unwind-ia64.c: Revert last change.
6361 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6362 (INCOMING_FRAME_SP_OFFSET): Define.
6364 2006-02-06 Roger Sayle <roger@eyesopen.com>
6366 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6368 2006-02-07 Ben Elliston <bje@au.ibm.com>
6370 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6371 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6372 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6373 (ix86_return_in_memory): Handle TDmode.
6374 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6375 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6377 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6379 * reorg.c (dbr_schedule): Use dump_file instead of file.
6381 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6384 * config/ia64/predicates.md (extr_len_operand): New predicate.
6385 * config/ia64/ia64.md (extv): Tighten constraints.
6387 (*tbit_and_2): Ditto.
6388 (*tbit_and_3): Ditto.
6389 (*tbit_or_2): Ditto.
6390 (*tbit_or_3): Ditto.
6394 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6397 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6399 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6401 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6402 loop_optimizer_init and loop_optimizer_finalize
6403 * tree-ssa-sink.c (execute_sink_code): Ditto.
6404 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6405 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6406 tree_ssa_loop_done): Ditto.
6407 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6408 * sched-ebb.c: Include output.h.
6409 (schedule_ebbs): Do not use dump argument.
6410 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6411 * loop.c (loop_dump_stream): Removed.
6412 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6414 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6415 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6416 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6417 loop_iterations, strength_reduce, record_biv, record_giv,
6418 final_giv_value, check_final_value, check_ext_dependent_givs,
6419 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6420 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6421 dump_file instead of loop_dump_stream.
6422 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6424 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6426 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6427 * haifa-sched.c: Include output.h
6428 (schedule_insns, sched_init): Do not use dump argument.
6429 * mode-switching.c (optimize_mode_switching): Ditto.
6430 * modulo-sched.c (stats_file): Removed.
6431 (print_node_sched_params): Do not call argument dump_file.
6432 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6433 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6435 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6437 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6438 rtl_loop_init, rtl_loop_done): Ditto.
6439 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6440 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6442 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6443 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6444 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6445 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6446 * emit-rtl.c (renumber_insns): Ditto.
6447 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6448 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6449 * regclass.c (regclass): Ditto.
6450 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6451 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6452 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6453 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6455 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6456 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6458 * gcse.c (gcse_file, debug_stderr): Removed.
6459 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6460 rest_of_handle_gcse): Do not use dump argument.
6461 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6462 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6463 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6464 compute_code_hoist_vbeinout, compute_code_hoist_data,
6465 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6466 compute_store_table, build_store_vectors, insert_insn_start_bb,
6467 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6468 store_motion): Use dump_file instead of gcse_file.
6469 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6470 * profile.c (profile_dump_file): Removed.
6471 (branch_prob): Use dump_file instead of profile_dump_file.
6472 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6474 * tree-ssa-copy.c (dump_copy_of): Ditto.
6475 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6476 dump file to life_analysis.
6477 * bt-load.c (branch_target_load_optimize): Ditto.
6478 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6480 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6481 regclass, dbr_schedule): Declaration changed.
6482 * sched-int.h (sched_init): Declaration changed.
6483 * tree-profile.c (tree_profile_dump_file): Removed.
6484 (tree_profile_hooks): Removed profile_dump_file hook.
6485 * rtl-profile (rtl_profile_dump_file): Removed.
6486 (rtl_profile_hooks): emoved profile_dump_file hook.
6487 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6489 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6490 * tree-cfg.c (build_tree_cfg): Ditto.
6491 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6492 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6493 Declaration changed.
6494 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6495 life_analysis and schedule_insns.
6496 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6498 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6500 * config/mips/mips.c (mips_reorg): Ditto.
6501 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6504 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6506 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6507 (s390_mangle_fundamental_type): New.
6508 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6511 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6512 (alpha_mangle_fundamental_type): New.
6513 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6516 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6518 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6520 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6521 (sparc_mangle_fundamental_type): New.
6523 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6525 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6526 (s390x-*-linux*): Likewise.
6527 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6528 * config/s390/t-linux: New file.
6530 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6532 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6533 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6535 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6537 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6538 (ANTIC_SAFE_LOADS): New macro.
6539 (find_or_generate_expression): Add prototype.
6540 (set_contains_value): Allow null set for sake of not always having
6541 to allocate ANTIC_SAFE_LOADS.
6542 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6543 Allow COMPONENT_REF too.
6544 (valid_in_set): Allow COMPONENT_REF.
6545 Check ANTIC_SAFE_LOADS too.
6546 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6547 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6549 (can_PRE_operation): Add COMPONENT_REF.
6550 (create_component_ref_by_pieces): New function.
6551 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6552 (insert_aux): Move AGGREGATE_TYPE_P check here.
6553 (compute_avail): Set bb local stmt uids.
6554 (pass_pre): Use TODO_update_ssa_only_virtuals.
6556 2006-02-06 Ben Elliston <bje@au.ibm.com>
6558 * configure.ac: Unconditionally disable decimal float by default.
6559 * configure: Regenerate.
6561 2006-02-06 Ben Elliston <bje@au.ibm.com>
6563 * read-rtl.c (read_name): Terminate reading on EOF.
6565 2006-02-06 Ben Elliston <bje@au.ibm.com>
6567 * dfp.c (decimal_real_arithmetic): Change second argument type
6568 from int to enum tree_code. Do not always return true, but now
6569 return result of any call to decimal_do helper functions.
6570 * dfp.h (decimal_real_arithmetic): Update prototype.
6572 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6574 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6576 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6579 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6582 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6584 * tree-vrp.c (cfg_loops): Removed.
6585 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6586 Use current_loops instead of cfg_loops. Pass flags to
6587 loop_optimizer_init.
6588 * cfgloopmanip.c (fix_loop_structure): Update only available
6590 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6591 loop_optimizer_init.
6592 * modulo-sched.c (build_loops_structure): Removed.
6593 (sms_schedule): Use loop_optimizer_init.
6594 * loop-init.c (loop_optimizer_init): Use flags to determine
6595 which properties of loops to prepare.
6596 (rtl_loop_init): Pass flags to loop_optimizer_init.
6597 * tree-ssa-sink.c (execute_sink_code): Ditto.
6598 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6599 * tree-ssa-pre.c (init_pre): Ditto.
6600 * cfgloop.h (LOOPS_NORMAL): New.
6601 (loop_optimizer_init): Declaration changed.
6603 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6605 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6606 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6608 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6610 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6612 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6613 * pa/t-pa64: Delete quadlib.c rule.
6614 * pa/x-ada: Revert last change.
6615 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6617 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6619 PR rtl-optimization/26087
6620 * rtlanal.c (canonicalize_condition): Do not cross basic block
6623 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6626 * config/ia64/ia64.c: Include debug.h.
6627 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6628 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6629 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6630 (process_epilogue, process_set, process_for_unwind_directive):
6631 Output unwind info only if requested. Add CFA info if requested.
6632 Add new arguments as needed. Adjust callers.
6633 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6635 (DWARF2_FRAME_INFO): Define to zero.
6636 * config/ia64/unwind-ia64.c: Remove code that compensated for
6637 the CFA offset error fixed above.
6638 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6639 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6640 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6641 -funwind-tables and -fexceptions to enable frame info.
6642 (dwarf2out_frame_init): Define initial CFA even if
6643 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6644 DWARF2_UNWIND_INFO is nonzero, not just defined.
6645 (dwarf2out_frame_finish): Output non-EH call frame info only
6646 if DWARF2_FRAME_INFO is nonzero.
6647 (convert_cfa_to_loc_list,
6648 compute_frame_pointer_to_cfa_displacement): Define even if
6649 unwind info is not supported.
6650 (gen_subprogram_die): Use the above unconditionally. Remove
6651 legacy alternate code.
6652 * toplev.c (compile_file): Compile in call to
6653 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6654 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6656 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6657 Jakub Jelinek <jakub@redhat.com>
6659 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6660 IBM extended float format long double as "g" on powerpc*-linux.
6662 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6665 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6666 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6668 2006-02-03 Jason Merrill <jason@redhat.com>
6671 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6674 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6675 on the return slot if it's an NRV.
6677 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6679 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6680 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6681 rewrite_use): Do not handle USE_OUTER.
6682 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6683 add_iv_outer_candidates, may_replace_final_value,
6684 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6685 (find_interesting_uses_op): Functionality of
6686 find_interesting_uses_outer_or_nonlin moved here.
6687 (find_interesting_uses_outside): Use find_interesting_uses_op.
6689 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6692 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6694 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6695 Ulrich Weigand <uweigand@de.ibm.com>
6698 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6699 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6700 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6701 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6703 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6704 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6705 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6706 Define secondary reloads for TFmode moves.
6707 (constant_modes): Add TFmode.
6708 (NR_C_MODES): Set to 8.
6709 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6711 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6712 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6713 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6714 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6715 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6716 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6717 (FPR mode macro): Add TFmode.
6718 (DSF mode macro): New.
6719 (<de>, <dee> mode attributes): Removed.
6720 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6721 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6722 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6723 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6724 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6725 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6726 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6727 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6728 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6729 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6730 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6731 "*negabs<mode>2", "sqrt<mode>2"):
6732 Changed <de> to <xde>. R constraint replaced by <Rf>.
6733 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6735 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6736 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6737 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6739 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6740 "extenddftf2", "extendsftf2"): New expanders.
6741 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6742 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6743 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6744 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6746 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6747 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6748 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6749 __floatditf): Add a GCC_4.1.0 symbol version tag.
6750 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6753 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6756 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6757 Use targetm.binds_local_p instead of TREE_PUBLIC.
6759 2006-02-02 Roger Sayle <roger@eyesopen.com>
6761 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6762 on INTEGER_TYPEs to indicate that it denotes a character type.
6763 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6764 signed_char_type_node, unsigned_char_type_node and char_type_node.
6765 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6766 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6767 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6769 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6770 Daniel Berlin <dberlin@dberlin.org>
6772 * tree-tailcall.c (arg_needs_copy_p): New function.
6773 (eliminate_tail_call): Use arg_needs_copy_p.
6774 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6775 (add_virtual_phis): New function.
6777 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6779 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6780 #ignore instead of #scratch for %g7 .register directive.
6782 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6784 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6787 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6789 * flow.c (calculate_global_regs_live): Assert that there aren't any
6792 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6794 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6796 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6797 bsi_after_labels iterator.
6798 * tree-if-conv.c (find_phi_replacement_condition,
6799 replace_phi_with_cond_modify_expr): Likewise.
6800 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6801 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6803 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6805 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6807 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6810 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6811 array after growing it.
6813 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6816 * fold-const.c (fold_checksum_tree): Change type of buf.
6818 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6820 * reload.c (push_secondary_reload): Initialize t_icode.
6822 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6824 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6825 -msoft-float -mlong-double-128 only issue a warning, but don't
6826 swich to DFmode long double.
6828 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6830 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6831 has a constant equivalent, iterate over equivalents for arg0,
6832 calling simplify_relational_operation and if there's a result
6833 cheaper than X, apply fold_rtx and return the result.
6835 2006-02-01 Jan Hubicka <jh@suse.cz>
6837 * opts.c (no_unit_at_a_time_default): New global variable.
6838 (decode_options): Use it.
6839 * opts.h (no_unit_at_a_time_default): Declare.
6841 2006-02-01 Paul Brook <paul@codesourcery.com>
6843 * function.c (assign_parm_setup_reg): Use function argument promotion
6845 * expr.c (expand_expr_real_1): Use function argument promotion rules
6848 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6850 * gcc.c (process_command): Change j to 'unsigned int'.
6852 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6855 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6856 Use the corrected index for the character
6857 out of the string constant.
6859 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6861 * mode-switching.c (optimize_mode_switching): Fix size
6862 allocated for bb_info[n_entities].
6864 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6866 * gcc.c (main): Correct type that is allocated for
6867 explicit_link_files.
6869 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6871 * config/s390/s390.c (init_alignment_context): Set
6872 ALIAS_SET_MEMORY_BARRIER on the MEM.
6873 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6875 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6878 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6880 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6883 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6885 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6886 * regrename.c: Ditto.
6887 * tree-ssa-loop-im.c: Ditto.
6888 * tree-dump.c: Ditto.
6889 * tree-complex.c: Ditto.
6890 * genrecog.c: Ditto.
6891 * tree-ssa-threadupdate.c: Ditto.
6893 * java/class.c: Ditto.
6894 * java/jcf-parse.c: Ditto.
6895 * java/resource.c: Ditto.
6896 * java/except.c: Ditto.
6897 * java/jvspec.c: Ditto.
6898 * java/jcf-write.c: Ditto.
6899 * java/jcf-path.c: Ditto.
6900 * java/gjavah.c: Ditto.
6901 * java/zextract.c: Ditto.
6902 * java/jcf-io.c: Ditto.
6903 * java/jcf.h: Ditto.
6904 * java/buffer.c: Ditto.
6905 * java/lang.c: Ditto.
6906 * java/parse-scan.y: Ditto.
6907 * java/lex.c: Ditto.
6908 * java/lex.h: Ditto.
6909 * cfgloopmanip.c: Ditto.
6910 * postreload-gcse.c: Ditto.
6911 * tree-ssa-loop-manip.c: Ditto.
6912 * postreload.c: Ditto.
6913 * tree-ssa-loop-ch.c: Ditto.
6917 * diagnostic.c: Ditto.
6919 * genoutput.c: Ditto.
6921 * cfghooks.c: Ditto.
6922 * cfgloopanal.c: Ditto.
6923 * objc/objc-act.c: Ditto.
6925 * genextract.c: Ditto.
6926 * genautomata.c: Ditto.
6927 * pretty-print.c: Ditto.
6929 * cgraphunit.c: Ditto.
6932 * haifa-sched.c: Ditto.
6933 * dominance.c: Ditto.
6935 * tree-ssa-loop-ivopts.c: Ditto.
6937 * mode-switching.c: Ditto.
6938 * modulo-sched.c: Ditto.
6940 * ipa-pure-const.c: Ditto.
6942 * fix-header.c: Ditto.
6944 * tree-stdarg.c: Ditto.
6945 * ipa-utils.c: Ditto.
6946 * loop-init.c: Ditto.
6947 * ipa-inline.c: Ditto.
6950 * alloc-pool.c: Ditto.
6951 * dwarf2out.c: Ditto.
6953 * genattrtab.c: Ditto.
6954 * tree-ssa-loop-ivcanon.c: Ditto.
6958 * fortran/gfortranspec.c: Ditto.
6960 * local-alloc.c: Ditto.
6961 * langhooks.c: Ditto.
6962 * function.c: Ditto.
6963 * tree-vectorizer.c: Ditto.
6965 * ipa-type-escape.c: Ditto.
6967 * tree-if-conv.c: Ditto.
6970 * tree-data-ref.c: Ditto.
6971 * loop-unroll.c: Ditto.
6972 * treelang/treetree.c: Ditto.
6975 * ggc-common.c: Ditto.
6977 * coverage.c: Ditto.
6979 * tree-cfgcleanup.c: Ditto.
6980 * tree-ssa-pre.c: Ditto.
6981 * cfgcleanup.c: Ditto.
6982 * loop-invariant.c: Ditto.
6984 * ipa-prop.c: Ditto.
6985 * print-tree.c: Ditto.
6986 * conflict.c: Ditto.
6987 * ggc-page.c: Ditto.
6988 * sched-deps.c: Ditto.
6989 * regclass.c: Ditto.
6990 * tree-object-size.c: Ditto.
6992 * bb-reorder.c: Ditto.
6993 * resource.c: Ditto.
6994 * var-tracking.c: Ditto.
6996 * df-problems.c: Ditto.
6997 * reg-stack.c: Ditto.
7000 * sched-rgn.c: Ditto.
7001 * tree-ssa-structalias.c: Ditto.
7002 * tree-ssa-reassoc.c: Ditto.
7003 * config/darwin-c.c: Ditto.
7004 * config/darwin.c: Ditto.
7005 * config/arm/arm.c: Ditto.
7007 * collect2.c: Ditto.
7010 2006-01-31 Nicolas Pitre <nico@cam.org>
7012 * arm.md (smaxsi3): Make aware of smax_m1.
7015 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7017 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7019 2006-01-31 Richard Guenther <rguenther@suse.de>
7021 * doc/invoke.texi (-msselibm): Document.
7022 * target.h (expand_library_builtin): New target hook.
7023 * builtins.c (expand_builtin): Use expand_library_builtin.
7024 (default_expand_library_builtin): New function.
7025 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7026 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7027 (link_gcc_math_spec): Declare.
7028 (static_specs): Add link_gcc_math_spec.
7029 * expr.h (default_expand_library_builtin): Declare.
7030 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7031 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7032 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7033 * config/i386/i386.opt (msselibm): New target option.
7034 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7035 (ix86_init_sse_abi_builtins): New function.
7036 (ix86_expand_library_builtin): Likewise.
7037 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7038 (override_options): Handle error conditions wrt -msselibm.
7039 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7040 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7041 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7044 2006-01-31 Richard Guenther <rguenther@suse.de>
7045 Paolo Bonzini <bonzini@gnu.org>
7047 * doc/install.texi (--disable-libgcc-math): Document.
7049 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7051 * expr.h (expand_normal): new inline function.
7052 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7054 * dwarf2out.c: use it.
7059 * config/sparc/sparc.c: use it.
7060 * config/i386/i386.c: use it.
7061 * config/rs6000/rs6000.c: use it.
7062 * config/arm/arm.c: use it.
7063 * config/mips/mips.c: use it.
7064 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7066 2006-01-30 Roger Sayle <roger@eyesopen.com>
7068 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7069 argv to the appropriate type.
7071 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7073 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7076 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7079 * config/s390/s390.c (struct machine_function): New flag
7080 decomposed_literal_pool_addresses_ok_p.
7081 (s390_reorg): Set it before final stage of literal pool transforms.
7082 (s390_decompose_address): Only accept displacements of the form
7083 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7085 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7087 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7088 the comparison routine return.
7090 2006-01-30 Michael Matz <matz@suse.de>
7092 * global.c (find_reg): Only evict for global regs.
7093 Take n_refs into account and dump more info.
7095 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7098 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7099 (pragma_trap, pragma_nosave_low_regs): Likewise.
7100 (current_function_anonymous_args): Likewise.
7101 (sh_deferred_function_attributes): New variable.
7102 (sh_deferred_function_attributes_tail): Likewise.
7103 (print_operand): For '@', look up trap_exit attribute.
7104 (calc_live_regs): Look up trapa_handler attribute. For trapa
7105 handlers, save/restore fpscr, but don't do any other
7106 interrupt-specific saves.
7107 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7108 Fix check for partially saved registers to check for SHmedia.
7109 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7110 (sh_output_function_epilogue): Don't clear any of the removed
7112 (sh_insert_attributes): Don't check pragma_interrupt.
7113 Insert deferred attributes. Check that interrupt attribute is
7114 present for other attributes that require its presence.
7115 (sh_attribute_table): Add new attributes trapa_handler and
7117 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7118 Don't check for pragma_interrupt. Don't store argument.
7119 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7120 (sh_deferred_function_attributes): Declare.
7121 (sh_deferred_function_attributes_tail): Likewise.
7122 * sh.md (sp_switch_1): Add operand. Change generator caller.
7123 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7124 (*return_i): Don't use when trap_exit attribute is in effect.
7125 (*return_trapa): New insn pattern.
7127 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7128 setting c_target_objs and cxx_target_objs.
7129 * t-sh: Add rule for sh-c.o.
7131 2006-01-30 Richard Guenther <rguenther@suse.de>
7134 * gimplify.c (gimplify_target_expr): Handle easy cases
7135 without creating a temporary.
7137 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7139 * vec.h (safe_grow): Remove duplicated line.
7141 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7144 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7145 (expand_omp): ... here.
7146 (expand_omp_parallel): Only remove barriers for combined
7147 parallel+workshare constructs.
7149 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7153 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7154 * tree.c (build_qualified_type): Chain the new type to the original
7155 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7156 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7157 (build_pointer_type_for_mode): Only return unqualified types.
7158 (build_reference_type_for_mode): Likewise.
7160 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7162 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7163 * Makefile.in (CXX_COMPAT_WARN): Define.
7164 * configure: Regenerate.
7166 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7169 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7172 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7174 * toplev.c: Fix thinko.
7176 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7177 Marcin Dalecki <martin@dalecki.de>
7179 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7180 (push_srcloc): Use XNEW.
7181 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7183 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7185 * df-core.c (df_set_blocks): Deleted all variable.
7187 2006-01-28 Ian Lance Taylor <ian@airs.com>
7189 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7190 cgraph_output_pending_asms.
7192 2006-01-28 Zack Weinberg <zackw@panix.com>
7194 * c.opt: Add -W(no-)overlength-strings.
7195 * doc/invoke.texi: Document it.
7196 * c-opts.c (c_common_handle_option): -pedantic implies
7197 -Woverlength-strings, if not explicitly disabled already.
7198 (c_common_post_options): -Woverlength-strings defaults to off, and
7199 is always off for C++.
7200 * c-common.c (fix_string_type): Issue warning about strings longer
7201 than is portable only if warn_overlength_strings. Rearrange code
7202 a little for clarity.
7203 * configure.in: Check for -Wno-overlength-strings as well before
7204 enabling -pedantic in stage 1.
7205 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7206 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7208 * genconditions.c (write_header, write_one_condition)
7209 (write_conditions, write_writer): Consolidate very long strings
7210 that were broken up to fit in C89 portable limit. Don't use
7211 printf when fputs will do.
7213 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7215 * combine.c (simplify_comparison <AND>): Check
7216 TRULY_NOOP_TRUNCATION before start using a subreg.
7218 * config/mips/mips.md (*branch_zero<mode>,
7219 *branch_zero<mode>_inverted, *branch_equality<mode>,
7220 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7221 Remove mode check from comparisons.
7223 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7225 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7227 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7229 * expmed.c (const_mult_add_overflow_p): Remove.
7230 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7232 * recog.c (validate_replace_rtx_subexp): Remove.
7233 * recog.h: Remove the prototype for
7234 validate_replace_rtx_subexp.
7236 * integrate.h: Remove the prototype for
7237 copy_decl_for_inlining.
7238 * rtl.h: Remove the prototype for mark_constant_function.
7239 * tree-vectorizer.h: Remove the prototype for
7240 vect_strip_conversion.
7242 * modulo-sched.c (create_partial_schedule,
7243 free_partial_schedule, reset_partial_schedule): Make them
7246 * hooks.c (hook_bool_rtx_int_false): Remove.
7247 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7249 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7251 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7252 and -mlong-double-128 are incompatible.
7253 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7254 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7255 (TARGET_LIBGCC2_CFLAGS): Define.
7256 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7257 (TARGET_LIBGCC2_CFLAGS): Same.
7258 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7260 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7263 * c-typeck.c (build_binary_op): Perform implicit casts of
7264 operands before shortening them.
7266 * cfgloopmanip.c (split_loop_bb): Remove.
7267 * cfgloop.h: Remove the prototype for split_loop_bb.
7269 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7270 * cfgloop.h: Remove the prototype for
7271 flow_loop_outside_edge_p.
7273 * emit-rtl.c (init_virtual_regs): Make it static.
7274 * function.h: Remove the prototype for init_virtual_regs.
7276 * recog.c (peephole2_optimize): Make it static.
7277 * recog.h: Remove the prototype for peephole2_optimize.
7279 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7281 * df-scan.c (df_record_entry_block_defs): Check if
7282 INCOMING_RETURN_ADDR_RTX is defined.
7284 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7285 Kenneth Zadeck <zadeck@naturalbridge.com>
7287 PR rtl-optimization/24762
7288 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7289 * targhooks.c (hook_void_bitmap): New hook prototype.
7290 * targhoohs.h (hook_void_bitmap): Ditto.
7291 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7292 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7293 * target.h (live_on_entry): New function pointer.
7294 * df-scan.c (df_all_hard_regs): Removed.
7295 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7296 (df_scan_free_internal): Added df->entry_block_defs.
7297 (df_scan_alloc): Ditto.
7298 (df_scan_dump): Ditto.
7299 (df_uses_record): Plumbed flag field properly thru calls.
7300 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7301 This part fixes PR24762.
7302 (df_bb_refs_record): Added code to make the frame and arg
7303 pointers live in EH blocks.
7304 (df_refs_record): Added call to df_record_entry_block_defs.
7305 (df_record_entry_block_defs): New function.
7306 * df-core.c: Added comments to describe new artifical defs.
7307 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7308 (entry_block_defs): New field in struct df.
7309 (df_all_hard_regs): Deleted.
7310 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7311 * df-problems.c (df_ru_bb_local_compute_process_def):
7312 Added code to handle artifical defs in the entry to a function.
7313 (df_ru_bb_local_compute): Ditto.
7314 (df_rd_bb_local_compute_process_def): Ditto.
7315 (df_rd_bb_local_compute): Ditto.
7316 (df_lr_bb_local_compute): Ditto.
7317 (df_ur_bb_local_compute): Ditto.
7318 (df_urec_bb_local_compute): Ditto.
7319 (df_chain_create_bb): Ditto.
7320 (df_ur_local_finalize): Removed entry.
7321 (df_urec_init): Ditto.
7322 (df_urec_local_finalize): Ditto.
7323 (df_ri_bb_compute): Added detection of last use of pseudos.
7324 * Makefile.in (df-scan.o): Updated dependencies.
7325 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7326 * config/mips/mips.c (mips_set_live_on_entry): Added.
7327 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7329 * dce.c (marked_insn_p): Added code to handle artifical defs.
7331 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7333 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7335 (_mm_cvtsi128_si64): Likewise.
7336 (_mm_cvtsd_si64): Likewise.
7337 (_mm_cvttsd_si64): Likewise.
7338 (_mm_cvtsi64_sd): Likewise.
7339 (_mm_cvtsi64_si128): Likewise.
7340 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7341 (_mm_cvtsi64_m64): Likewise.
7342 (_m_to_int64): Likewise.
7343 (_mm_cvtm64_si64): Likewise.
7344 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7345 (_mm_cvttss_si64): Likewise.
7346 (_mm_cvtsi64_ss): Likewise.
7347 (_mm_cvtss_f32): Likewise.
7349 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7351 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7352 for pragma redefine_extname.
7354 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7357 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7358 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7359 -mno-minimal-toc to previous content.
7360 (bispecs): Remove goal.
7361 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7362 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7363 compatibility aliases on powerpc-*-*gnu*.
7364 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7365 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7366 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7367 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7368 (ldblspecs): New goal.
7369 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7370 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7372 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7373 L_sf_to_tf or L_df_to_tf is defined.
7375 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7376 Alan Modra <amodra@bigpond.net.au>
7379 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7380 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7381 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7382 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7383 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7384 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7385 (rs6000_override_options): Initialize rs6000_ieeequad.
7386 Initialize TFmode format to ibm_extended_format if not
7388 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7390 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7391 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7392 (function_arg_advance): IBM long double passed in two FPRs, not
7394 (function_arg): IBM long double passed in FPRs.
7395 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7396 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7397 Only multireg GPR aligned.
7398 (rs6000_init_libfuncs): Enable IBM long double functions if not
7400 (rs6000_generate_compare): Use IBM long double compare if not
7402 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7403 (TARGET_IEEEQUAD): Define.
7404 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7405 not TARGET_IEEEQUAD.
7406 * config/rs6000/rs6000.md: Enable TFmode patterns if
7408 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7409 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7410 and -mlong-double-128 are incompatible.
7411 * doc/invoke.texi (-mabi): Collect options together. Add
7412 ibmlongdouble and ieeelongdouble.
7414 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7416 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7418 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7419 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7420 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7421 * rtl.h (rtunion_def): Remove rt_ptr.
7423 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7424 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7425 * config/i386/winnt.c (i386_pe_mark_dllexport)
7426 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7428 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7430 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7432 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7436 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7437 pthread_key_delete. From John David Anglin. gthrw-ify
7438 pthread_getunique_np only if it it's not a macro. Delete
7440 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7441 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7442 __gthread_objc_condition_signal, __gthread_key_delete): Add
7443 "__attribute__ ((__unused__))" to unused arguments.
7444 (__gthread_recursive_mutex_init_function): Add missing return.
7445 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7446 gthr-posix95.h: Use macro-based approach for name redirection
7447 on targets missing weakref.
7449 2006-01-26 Zack Weinberg <zackw@panix.com>
7451 * genconditions.c (write_header): In generated code, #ifdef out
7452 all includes and fake declarations, except includes of bconfig.h
7453 and system.h, unless GCC_VERSION >= 3001. Do not include
7454 gensupport.h in any case.
7455 (write_conditions): Generate a definition of struct c_test. Add
7456 a comment to the generated #endif.
7457 (write_one_condition): Escape backslashes in string too.
7458 (write_writer): Generated code must escape backslashes and quote
7459 marks (but not newlines) in the strings it writes.
7460 * Makefile.in (build/gencondmd.o): Update dependencies.
7462 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7465 * Makefile.in (insn-automata.o): Add header file dependencies.
7466 * genautomata.c: Add includes.
7468 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7471 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7473 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7475 * configure.ac: Expect target tools paths to be passed from the toplevel
7476 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7478 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7480 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7483 * c.opt (Wpointer-sign): Init to -1.
7484 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7485 OPT_pedantic, to 0 otherwise.
7486 * doc/invoke.texi: Update.
7488 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7490 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7491 constants provided by 80387 instructions in the destination mode.
7493 2006-01-26 Richard Guenther <rguenther@suse.de>
7494 Andrew Pinski <pinskia@physics.uc.edu>
7497 partial PR tree-opt/17064
7498 * tree-ssa-structalias.c (intra_create_variable_infos):
7499 Create heap variables for incoming parameters if
7500 flag_argument_noalias > 1.
7501 (find_what_p_points_to): Look through default defs of
7504 2006-01-26 Jeff Law <law@redhat.com>
7507 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7508 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7509 within the VR_RANGE, use the VR_RANGE as the result, not the
7511 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7512 bounds for the type.
7514 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7516 * tree-ssa-alias.c (maybe_create_global_var): Change
7517 subvar walking to an assertion that we don't have subvar'd variables.
7519 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7522 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7523 Use a new variable, inner. PARM_DECLs are always non-weak.
7525 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7527 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7530 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7532 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7534 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7536 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7537 (smax_insn, smin_insn, smax_0, smin_0): New.
7539 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7542 * config/cris/cris.c (cris_order_for_addsi3): New function.
7543 * config/cris/cris-protos.h: Prototype it.
7544 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7545 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7546 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7547 (split for "op.S1 [rx=rx+i],ry (swapped)")
7548 (split for "op(s|u).S1 [rx=rx+i],ry")
7549 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7550 Apply cris_order_for_addsi3 when generating addsi3 insns.
7552 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7554 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7555 (TREE_BLOCK): Add call to EXPR_CHECK.
7557 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7560 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7561 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7562 (dump_omp_clauses): ... here.
7563 (dump_generic_node): Handle OMP_CLAUSE.
7564 * tree.c (omp_clause_num_ops): New.
7565 (omp_clause_code_name): New.
7566 (tree_code_size): Handle OMP_CLAUSE.
7567 (tree_size): Likewise.
7568 (make_node): Document handling of OMP_CLAUSE.
7569 (tree_node_structure): Handle OMP_CLAUSE.
7570 (omp_clause_check_failed): New.
7571 (omp_clause_range_check_failed): New.
7572 (omp_clause_operand_check_failed): New.
7573 (build_omp_clause): New.
7574 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7575 * tree.h (enum omp_clause_code): Declare.
7576 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7577 (OMP_CLAUSE_RANGE_CHECK): Define.
7578 (OMP_CLAUSE_ELT_CHECK): Define.
7579 (omp_clause_check_failed): Declare.
7580 (omp_clause_operand_check_failed): Declare.
7581 (omp_clause_range_check_failed): Declare.
7582 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7583 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7584 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7585 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7586 (OMP_CLAUSE_IF_EXPR): Likewise.
7587 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7588 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7589 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7590 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7591 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7592 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7593 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7594 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7595 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7596 (OMP_CLAUSE_CODE): Define.
7597 (OMP_CLAUSE_SET_CODE): Define.
7598 (OMP_CLAUSE_CODE): Define.
7599 (OMP_CLAUSE_OPERAND): Define.
7600 (struct tree_omp_clause): Declare.
7601 (union tree_node): Add field 'omp_clause'.
7602 * treestruct.def (TS_OMP_CLAUSE): Define.
7603 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7604 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7605 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7606 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7607 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7608 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7609 (OMP_CLAUSE): Define.
7610 * print-tree.c (print_node): Handle OMP_CLAUSE.
7611 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7612 * c-typeck.c: Likewise.
7613 * gimplify.c: Likewise.
7614 * c-omp.c: Likewise.
7615 * tree-nested.c: Likewise.
7616 * tree-inline.c: Likewise.
7617 * c-parser.c: Likewise.
7618 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7621 2006-01-25 Roger Sayle <roger@eyesopen.com>
7623 PR rtl-optimization/25703
7624 * combine.c (try_combine): Handle zero_extract and strict_low_part
7625 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7627 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7629 * global.c: Fix comment typos.
7631 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7634 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7635 Use output_addr_const instead of assemble_name.
7637 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7639 * Makefile.in (sched-vis.o): Update dependencies.
7640 * haifa-sched.c (sched_finish): Clear current_sched_info.
7641 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7642 (dump_flow_info): Call it.
7643 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7645 * basic-block.h (dump_bb_info): Declare.
7646 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7647 option, and apply options only for dump files whose TDF_RTL,
7648 TDF_TREE, or TDF_IPA bits match.
7649 * rtl.h: Declare new functions exported from sched-vis.c.
7650 * sched-vis.c: Enable also if scheduling is not used.
7651 (print_value): Print the mode of registers if not inside scheduling.
7652 (print_insn): Make it work outside the scheduler. Beautify the output
7654 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7656 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7658 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7659 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7660 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7661 depending on the value of CONSTANT_POOL_ADDRESS_P.
7662 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7664 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7665 rather than SYMBOL_REF_DECL.
7666 (rtx_constant_pool): Remove const_rtx_sym_htab.
7667 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7668 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7669 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7670 Remove handling of const_rtx_sym_htab.
7671 (find_pool_constant): Delete.
7672 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7673 rather than find_pool_constant.
7674 (get_pool_constant_for_function): Delete.
7675 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7677 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7678 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7679 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7680 (SYMBOL_REF_CONSTANT): New macro.
7681 (get_pool_constant_for_function): Delete.
7682 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7683 rather than SYMBOL_REF_DECL.
7684 (i386_pe_mark_dllimport): Likewise.
7685 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7686 rather than SYMBOL_REF_DECL.
7687 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7688 (machopic_indirect_call_target): Likewise.
7690 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7692 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7694 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7696 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7698 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7700 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7702 2006-01-24 David Daney <ddaney@avtrex.com>
7705 * configure.ac (enable_tls): New enable option.
7706 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7707 * configure: Regenerate.
7708 * doc/install.texi (--enable-tls): Document new option.
7709 (--disable-tls): Ditto.
7711 2006-01-24 Richard Henderson <rth@redehat.com>
7713 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7714 * alias.c (true_dependence): Respect it.
7715 (canon_true_dependence, write_dependence_p): Likewise.
7716 * builtins.c (get_builtin_sync_mem): Set it.
7718 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7720 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7723 2006-01-24 DJ Delorie <dj@redhat.com>
7725 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7726 for storing constants in single-bit bitfields.
7728 2006-01-25 Ben Elliston <bje@au.ibm.com>
7730 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7732 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7735 * tree-ssa-pre.c (phi_translate): Return NULL
7736 for AGGREGATE_TYPE's.
7738 2006-01-24 Zack Weinberg <zackw@panix.com>
7740 * genautomata.c (process_state_for_insn_equiv_partition):
7741 Use xcalloc for insn_arcs_array.
7742 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7743 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7745 2006-01-24 Richard Henderson <rth@redhat.com>
7747 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7750 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7752 PR rtl-optimization/25890
7753 PR rtl-optimization/25905
7754 * combine.c (expand_compound_operation, expand_field_assignment):
7755 Fail if the bitfield's final position is out of bounds.
7757 2006-01-24 Ian Lance Taylor <ian@airs.com>
7760 * cgraphunit.c (cgraph_output_in_order): Don't clear
7761 cgraph_asm_nodes until after asm strings have been output.
7763 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7765 * fix-header.c (read_scan_file): Add new parameter imultilib when
7766 calling register_include_chains.
7768 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7770 * omp-low.c: Update documentation.
7772 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7773 Daniel Berlin <dberlin@dberlin.org>
7777 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7778 return from the function.
7780 2006-01-22 Zack Weinberg <zackw@panix.com>
7782 * rtl.def (match_code): Add second argument.
7783 * genpreds.c (write_extract_subexp): New function.
7784 (write_match_code): Add path argument. Use write_extract_subexp.
7785 (write_predicate_expr): Pass path to write_match_code.
7786 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7787 not perform a mode test.
7788 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7789 a subexpression does not constrain the top-level code set.
7790 * read-rtl.c (read_rtx_variadic): New function.
7791 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7792 * doc/md.texi: Document new notation.
7793 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7794 (cmpsi_operand): ... here, using new notation.
7796 2006-01-22 Zack Weinberg <zackw@panix.com>
7798 * varray.c: Remove GENERATOR_FILE #ifdefs.
7800 2006-01-22 Zack Weinberg <zackw@panix.com>
7802 * genautomata.c (output_reserved_units_table): Emit nothing if
7803 description->query_units_num is zero. Remove extra blank line.
7804 (output_cpu_unit_reservation_p): Short circuit
7805 if description->query_units_num is zero.
7807 2006-01-22 Zack Weinberg <zackw@panix.com>
7809 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7810 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7811 nor any of the random handful of variables that used to be necessary
7812 when this program was linked with rtlanal.o. Prune set of forward
7813 function declarations.
7814 (struct attr_desc): Remove static_p field.
7815 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7816 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7817 (attr_string): Do not read the character one past the length of
7819 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7820 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7821 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7822 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7823 (make_automaton_attrs): New.
7824 (main): Do not call into genautomata. Call local gen_bypass
7825 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7826 Remove special case for insn_alts.
7827 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7828 varray.h (leftover from previous change). Prune set of forward
7829 function declarations. Remove state_alts fields from all
7830 structures. Remove state_alts_table from struct automaton.
7831 Make everything except main static. Do not maintain num_dfa_decls.
7832 Do not maintain state_alts fields of various structures.
7833 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7834 (add_arc): Remove state_alts argument. All callers updated.
7835 (output_reserved_units_table): Emit #ifdef here...
7836 (output_tables): ...not here. Don't generate state_alts tables.
7837 (expand_automata): Don't generate attributes.
7838 (write_automata): Don't generate state_alts functions.
7839 (main): New function.
7840 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7841 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7842 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7843 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7844 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7845 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7846 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7847 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7849 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7850 * genattrtab.h: Delete file.
7851 * Makefile.in (OBJS-common): Add insn-automata.o.
7852 (insn-automata.o): New rule.
7853 (simple_generated_c): Add insn-automata.c.
7854 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7855 (genprogmd): Add automata.
7856 (build/genattrtab): Needs no extra objects nor libraries.
7857 (build/genautomata): Needs build/vec.o and -lm.
7859 2006-01-22 Zack Weinberg <zackw@panix.com>
7861 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7862 (output_dfa_max_issue_rate, locked_states_num): Delete.
7863 (struct automaton): Add locked_states field.
7864 (output_dead_lock_vect): Save number of locked states in
7865 automaton->locked_states. If it is zero, don't print anything.
7866 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7867 (output_internal_dead_lock_func): Only test the dead_lock_vect
7868 for automata that have locked states.
7869 (output_statistics): Always print the number of locked states for
7870 each automaton. Calculate total number of locked states here.
7871 (write_automata): Don't call output_dfa_max_issue_rate.
7872 * genattrtab.c: Define length_unit_log as a const variable.
7873 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7874 max_insn_queue_index const.
7875 * final.c (length_unit_log): Declare const.
7876 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7878 2006-01-22 Zack Weinberg <zackw@panix.com>
7880 * genautomata.c: Include vec.h, not varray.h.
7881 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7882 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7883 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7884 VEC_* macros operating on appropriately typed vectors, or to
7885 malloced arrays when the size is known in advance. Const-ify
7886 many char* variables and function arguments. No functional changes.
7887 * Makefile.in (build/varray.o): Delete rule.
7888 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7889 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7891 2006-01-22 Zack Weinberg <zackw@panix.com>
7893 * gensupport.c: Define get_insn_name and record_insn_name here.
7894 (read_md_rtx): Call record_insn_name as appropriate.
7895 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7896 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7897 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7899 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7900 (BUILD_VARRAY): Delete.
7901 (genprognormal): Rename genprogmd. Fold in all programs from
7902 genprognoprint; also attrtab.
7903 (build/genattrtab): Just mention genautomata.o and varray.o.
7904 Reorganize a bit, add comments to make the categories clearer.
7906 2006-01-22 Zack Weinberg <zackw@panix.com>
7908 * genconditions.c (condition_table, add_condition): Delete.
7909 (write_conditions): Don't emit n_insn_conditions nor
7910 insn_elision_unavailable. Issue the gcc version #ifdef here,
7911 inside the table, with no #else clause ...
7912 (write_header): ...not here.
7913 (write_writer): New function.
7914 (main): Don't initialize condition_table. Use add_c_test.
7916 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7917 files on the command line.
7918 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7919 Return -1 if there is no entry in the table, don't abort.
7920 (add_c_test, traverse_c_tests): New functions.
7921 * gensupport.h (insn_elision_unavailable, insn_conditions)
7922 (n_insn_conditions): Delete declarations.
7923 (add_c_test, traverse_c_tests): Declare.
7924 * read-rtl.c: Include gensupport.h.
7925 (read_conditions): New function.
7926 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7927 (read_rtx_1): If we get EOF when we were looking for an initial
7928 open paren, return 0. Call read_conditions when appropriate.
7929 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7930 dummy-conditions.o. Eliminate references to insn-conditions.o,
7931 or change them to build/gencondmd.o, as appropriate. Remove
7932 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7933 from $(simple_generated_c). For all files remaining in those
7934 two lists, add insn-conditions.md to the generator command line.
7935 Give insn-constants.h/s-constants their own rules. Add rules
7936 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7937 (build/read-rtl.o): Depend on gensupport.h.
7938 (genprognormal): Include preds.
7939 (genprogearly): Rename genprognoprint; only difference is now that
7940 they don't link with $(BUILD_PRINT).
7941 * dummy-conditions.c: Delete.
7943 2006-01-22 Zack Weinberg <zackw@panix.com>
7945 * genextract.c: Don't include insn-config.h. Do include vec.h.
7946 Declare vectors of int, char, and locstr.
7947 (locstr): New typedef.
7948 (struct extraction): Make all array fields into bare pointers.
7949 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7950 (insn_code_number): Delete.
7951 (accum_extract): New struct.
7952 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7953 (gen_insn): Take insn_code_number as an argument. Use an
7954 accum_extract structure instead of loading data directly into
7955 a struct extraction, and having to know how big it might get.
7956 (walk_rtx): Operate entirely on an accum_extract structure.
7957 (print_path): Avoid unnecessary use of printf.
7958 (print_header): New function, split out of main. Distinguish
7959 more carefully between an unrecognizable insn and an insn that
7960 has the code number of a define_expand.
7961 (main): Pass insn_code_number to gen_insn. Call print_header
7962 only after parsing. Avoid unnecessary use of printf.
7963 * Makefile.in (build/vec.o): New rule.
7964 (build/genextract): Depend on build/vec.o.
7965 (build/genextract.o): Don't depend on insn-config.h.
7967 2006-01-22 Zack Weinberg <zackw@panix.com>
7969 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7970 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7971 practical. Eliminate per-generator-program link rules.
7973 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7976 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7977 with a call expr to ...
7978 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7980 2006-01-23 Richard Guenther <rguenther@suse.de>
7982 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7983 before make_edge with conditional EDGE_TRUE_VALUE.
7985 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7986 Jan Hubicka <jh@suse.cz>
7987 Richard Guenther <rguenther@suse.de>
7989 PR rtl-optimization/25654
7990 * cfgexpand.c (aggregate_contains_union_type): New function.
7991 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7992 for structure variables that contain a union type.
7994 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7996 * gengtype.c (new_structure): Return the structure.
7997 (create_option): Add an extra "next" argument.
7998 (create_field): New function.
7999 (adjust_field_rtx_def): Use create_option and create_field.
8000 Remove a now-unnecessary call to find_structure.
8001 (adjust_field_tree_def): Likewise.
8002 (note_yacc_type): Remove an unnecessary call to find_structure.
8003 * gengtype.h (new_structure): Return the structure.
8004 (create_option): Add an extra argument.
8005 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8006 (option): Adjust calls to create_option.
8008 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8010 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8012 2006-01-22 Paul Brook <paul@codesourcery.com>
8013 Peter Barada <peter@the-baradas.com>
8015 * config/m68k/m68k.md: Add Coldfire FPU support.
8016 Define FP mode macro and associated attributes.
8017 Use it for float mode patterns.
8018 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8019 (LIBCALL_VALUE): Use m68k_libcall_value.
8020 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8021 (m68k_function_value): Ditto.
8022 (emit_move_sequence): Ditto.
8023 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8024 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8025 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8026 (MULTILIB_EXCEPTIONS): Ditto.
8027 * config/m68k/m68k.opt: Add mcfv4e.
8028 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8029 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8030 (m68k_output_function_prologue): Save ColdFire FPU registers.
8031 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8032 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8033 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8034 ColdFire FPU registers.
8035 (m68k_libcall_value, m68k_function_value): New functions.
8036 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8037 (LIBCALL_VALUE): Use m68k_libcall_value.
8038 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8039 (MASK_COLDFIRE): Add MASK_CFV4E.
8040 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8041 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8042 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8043 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8044 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8045 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8046 * doc/invoke.tex: Document -mcfv4e on m68k.
8048 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8050 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8053 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8056 * c-opts.c (c_common_handle_option): Don't include
8057 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8058 * doc/invoke.texi (C++ Dialect Options): Document that
8059 -Wnon-virtual-dtor is no longer included in -Wall.
8061 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8063 * gcov.c (print_version), gcov-dump.c (print_version),
8064 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8067 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8069 * df-scan.c (problem_SCAN): Added NULL reset function.
8070 (df_scan_reset_blocks): Added code to call reset block function
8071 (df_bb_refs_delete) Fixed comment.
8072 (df_insn_refs_delete): Made tolerant of deleting non existent info
8073 for dataflow problems that need to be reset.
8074 * df-core.c (df_set_blocks): Ditto.
8075 * df.h (struct df_problem): Added reset_fun.
8076 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8077 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8078 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8079 functions to clear out all references to def-use or use-def chains.
8081 2006-01-21 Ben Elliston <bje@au.ibm.com>
8083 * varasm.c (assemble_real): Initialise data array.
8085 2006-01-20 Paul Brook <paul@codesourcery.com>
8087 Merge from csl-arm-branch.
8088 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8089 * config/arm/arm.md (movdi): Force operands[1] to a register
8090 if we have a non-register source.
8091 (*arm_movdi, *movdf_soft_insn): Require that one of the
8092 operands be a register.
8093 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8094 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8096 2006-01-20 DJ Delorie <dj@redhat.com>
8098 * varasm.c (initialize_constant_valid_p): Allow pointers
8099 initialized from integer constants of lesser precision.
8100 (output_constant): Allow non-int-sized pointer modes to be
8101 initialized from integer constants.
8103 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8106 * cppdefault.h (struct default_include): Add multilib flag.
8107 * cppdefault.c (cpp_include_defaults): Set it.
8108 * c.opt (-imultilib): New option.
8109 * c-opts.c (imultilib): New.
8110 (c_common_handle_option): Handle -imultilib.
8111 (c_common_post_options): Likewise.
8112 * c-incpath.c (add_standard_paths, register_include_chains):
8114 * c-incpath.h (register_include_chains): Add extra parameter.
8115 * gcc.c (do_spec_1): Generate -imultilib option.
8116 (The Specs Language): Update %I description.
8117 (process_command): Update copyright notice.
8118 * doc/cppopts.texi (-imultilib): Document.
8119 * doc/invoke.texi (-imultilib): Include in option summary.
8120 (%I): Update specs documentation.
8122 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8124 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8126 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8128 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8131 2006-01-20 Richard Guenther <rguenther@suse.de>
8132 Steven Bosscher <stevenb.gcc@gmail.com>
8134 PR rtl-optimization/24626
8135 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8136 EDGE_TRUE_VALUE if in RTL mode.
8139 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8140 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8142 2006-01-20 Dirk Mueller <dmueller@suse.com>
8145 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8146 instead of a special NOP marker.
8147 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8148 NOP marker handling.
8149 * c-common.h (empty_body_warning): Add forward declaration.
8150 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8151 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8153 2006-01-20 Paul Brook <paul@codesourcery.com>
8155 * Makefile.in (lang_checks): Keep going if mkdir fails.
8157 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8159 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8160 be able to clean out basic block when not necessary.
8161 (df_scan_free): Fixed to properly delete information if df is
8162 unused before calling df_finish.
8163 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8164 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8166 (df_bb_refs_delete): New function.
8167 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8168 * df-core.c (df_set_blocks): Added code to properly clean out
8169 unused blocks if they are not part of the blocks to consider.
8170 Added additional null check.
8171 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8172 be able to clean out basic block when not necessary
8173 * df.h (df_free_bb_function): Ditto.
8174 (df_bb_refs_delete): New function.
8175 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8176 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8177 basic block parameter to be able to clean out basic block when not
8179 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8180 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8181 Fixed to properly delete information if df is unused before
8184 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8186 PR rtl-optimization/25799
8187 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8188 Corrected confluence operator to remove bits from op2 before oring
8189 with op1 rather than removing bits from op1.
8190 (df_ru_transfer_function): Corrected test on wrong bitmap which
8191 caused infinite loop. Both of these problems were introduced in
8192 the dataflow rewrite.
8194 2006-01-19 DJ Delorie <dj@redhat.com>
8196 * reload1.c (find_reload_regs): Note the details of reload
8197 failures in the dump file.
8198 (spill_failure): Likewise.
8200 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8202 * loop-iv.c: Include df.h and hashtab.h.
8203 (enum iv_grd_result): New enum.
8204 (DF_REF_IV, DF_REF_IV_SET): New macros.
8205 (struct biv_entry): New.
8206 (df, bivs): New global variables.
8207 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8208 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8210 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8211 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8212 analyzed_for_bivness_p, record_biv): New functions.
8213 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8214 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8215 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8217 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8219 (iv_number_of_iterations): Use new interface to iv analysis.
8220 * loop-unroll.c: Do not include varray.h.
8221 (analyze_iv_to_split_insn): Use new interface to iv
8223 * loop-unswitch.c (may_unswitch_on): Ditto.
8224 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8226 (df_bb_modify): Realloc tables to the new index.
8227 (df_find_use): New function.
8228 * df.h (df_find_use): Declare.
8229 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8231 * cfgloop.h (struct rtx_iv): Remove analysed field.
8232 (iv_get_reaching_def): Removed.
8233 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8234 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8235 (loop-iv.o): Add df.h and hashtab.h dependency.
8236 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8238 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8241 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8243 (__floatundisf, __floatundidf): Likewise.
8244 * libgcc2.h (IS_IBM_EXTENDED): Define.
8246 2006-01-19 DJ Delorie <dj@redhat.com>
8248 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8250 2006-01-19 Paul Brook <paul@codesourcery.com>
8252 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8253 as nothrow when unwinding tables are disabled.
8255 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8258 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8259 of bit-field" when in system header.
8261 2006-01-19 DJ Delorie <dj@redhat.com>
8263 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8264 the 16 bit shift limit of the m16c.
8266 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8269 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8270 * config/i386/i386.c (output_set_got): Output the label if we have one
8271 for the TARGET_DEEP_BRANCH_PREDICTION case.
8273 2006-01-19 Jan Hubicka <jh@suse.cz>
8274 H.J. Lu <hongjiu.lu@intel.com>
8275 Evandro Menezes <evandro.menezes@amd.com>
8277 * invoke.texi (generic): Document
8279 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8280 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8281 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8282 (x86_use_incdec, x86_pad_returns): New variables
8283 (TARGET_CPU_DEFAULT_generic): New constant
8284 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8285 (enum processor_type): Add generic32 and generic64.
8286 * i386.md (cpu attribute): Add generic32/generic64
8287 (movhi splitter): Behave sanely when both partial_reg_dependency and
8288 partial_reg_stall are set.
8289 (K8 splitters): Enable for generic as well.
8290 * predicates.md (incdec_operand): Use TARGET_INCDEC
8291 (aligned_operand): Avoid memory mismatch stalls.
8292 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8293 * ppro.md: Enable for generic32
8294 * i386.c (generic64_cost, generic32_cost): New.
8295 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8296 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8297 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8298 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8299 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8300 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8301 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8302 x86_accumulate_outgoing_args, x86_prologue_using_move,
8303 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8304 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8306 (x86_use_incdec, x86_pad_returns): New.
8307 (override_options): Add generic32 and generic64, translate "generic"
8308 to generic32/generic64 and "i686" to "generic32", refuse
8309 "generic32"/"generic64" as arch target.
8310 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8311 (ix86_reorg): Honor PAD_RETURNS.
8313 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8315 * tree-pretty-print.c (dump_generic_node): Handle
8316 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8317 * cgraph.c (cgraph_expand_queue): Rename from
8318 cgraph_analyze_queue. Update all users.
8319 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8320 cgraph_expand_queue.
8321 (cgraph_expand_all_functions): Likewise.
8322 (cgraph_finalize_pending_functions): Remove. Update callers.
8324 * tree.h (OMP_DIRECTIVE_P): Define.
8325 (OMP_PARALLEL_FN): Define.
8326 (OMP_PARALLEL_DATA_ARG): Define.
8327 (OMP_SECTIONS_SECTIONS): Define.
8328 * tree-pass.h (pass_expand_omp): Declare.
8329 * omp-low.c (struct omp_region): Declare.
8330 (struct omp_context): Remove fields 'parallel_type',
8331 'parallel_start_ix' and 'parallel_start_additional_args'.
8333 (struct omp_for_data): Rename from struct expand_omp_for_data.
8334 (omp_regions): New static variable.
8335 (root_omp_region): New static variable.
8336 (find_omp_clause): Make static.
8337 (is_in_combined_parallel_ctx): Remove.
8338 (is_combined_parallel): New.
8339 (extract_omp_for_data): Move earlier in the file.
8340 (workshare_safe_to_combine_p): New.
8341 (get_ws_args_for): New.
8342 (determine_parallel_type): Move earlier in the file.
8343 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8345 (omp_copy_decl): Likewise.
8346 (create_omp_child_function): Likewise.
8347 (lookup_omp_region): New.
8348 (dump_omp_region): New.
8349 (debug_omp_region): New.
8350 (debug_all_omp_regions): New.
8351 (new_omp_region): New.
8352 (scan_omp_parallel): If parallel_nesting_level > 1, the
8353 directive is nested within another parallel directive.
8354 Set OMP_PARALLEL_FN.
8355 (scan_omp_for): Do not try to handle combined parallel+for
8357 Remove FIXME comment.
8358 (scan_omp_nested): Remove.
8359 (scan_omp_1): Do not call scan_omp_nested when
8360 parallel_nesting_level is > 1.
8361 Do not change the DECL_CONTEXT of local variables found.
8362 (lookup_decl_in_outer_ctx): New.
8363 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8364 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8365 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8366 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8367 If CTX is nested, lookup VAR in the outer context when
8368 building copy assignment.
8369 (lower_send_clauses): Rename from expand_send_clauses.
8370 If CTX is nested, lookup VAR in the outer context when
8371 building copy assignments.
8372 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8373 If CTX is nested, lookup VAR in the outer context when
8374 building copy assignments.
8375 (expand_parallel_call): Rename from build_parallel_call.
8376 Handle combined parallel+workshare cases.
8377 Re-implement to emit code into the CFG.
8379 (expand_omp_parallel): Re-implement to emit code into the CFG.
8380 Call move_sese_region_to_fn to outline the sub-graph
8381 containing the parallel region.
8382 (expand_omp_for_1): Remove.
8383 (expand_omp_for_generic): Re-implement to emit code into the
8385 (expand_omp_for_static_nochunk): Likewise.
8386 (expand_omp_for_static_chunk): Likewise.
8387 (expand_omp_for): Likewise.
8388 (expand_omp_sections): Likewise.
8389 (remove_exit_barriers): New.
8390 (expand_omp_synch): New.
8392 (build_omp_regions_1): New.
8393 (build_omp_regions): New.
8394 (execute_expand_omp): New.
8395 (gate_expand_omp): New.
8396 (pass_expand_omp): Define.
8397 (lower_omp_sections): Rename from expand_omp_sections.
8398 Set OMP_SECTIONS_SECTIONS.
8399 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8400 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8401 (lower_omp_single): Rename from expand_omp_simple.
8402 (lower_omp_master): Rename from expand_omp_master.
8403 (lower_omp_ordered): Rename from expand_omp_ordered.
8404 (lower_omp_critical): Rename from expand_omp_critical.
8405 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8406 (lower_omp_for): Re-implement.
8407 (lower_omp_parallel): Re-implement.
8408 (lower_regimplify): Rename from expand_regimplify.
8409 (lower_omp_1): Rename from expand_omp_1.
8410 If there are syntax errors in the program, replace every
8411 OpenMP directive with NOP.
8412 Call lower_omp_* instead of expand_omp_*.
8413 (lower_omp): Rename from expand_omp.
8415 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8416 * tree-gimple.h (enum omp_parallel_type): Remove.
8417 (gimple_boolify): Declare extern.
8418 (find_omp_clause, determine_parallel_type): Remove.
8420 * gimple-low.c (lower_omp_directive): New.
8421 (lower_stmt): Call it.
8422 (record_vars_into): Move from ...
8423 (record_vars): ... here.
8424 Call record_vars_into with current_function_decl.
8426 * gimplify.c (struct gimplify_ctx): Remove fields
8427 combined_pre_p and combined_ctxp. Update users.
8428 (get_formal_tmp_var): Add documentation.
8429 (gimple_boolify): Make extern.
8430 (gimplify_expr_in_ctx): Remove. Update callers.
8431 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8432 will always be a BIND_EXPR.
8433 (gimplify_expr): Handle OMP_RETURN_EXPR.
8434 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8435 (OMP_PARALLEL): Add 3 operands.
8436 (OMP_SECTIONS): Add 1 operand.
8437 (OMP_RETURN_EXPR): Define.
8439 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8440 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8441 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8442 creating a circular free list.
8443 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8445 * tree-flow.h (move_sese_region_to_fn): Declare.
8446 (record_vars_into): Declare.
8447 * tree-cfg.c (make_omp_sections_edges): New.
8448 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8449 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8450 OMP_SECTIONS and OMP_SECTION.
8451 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8452 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8453 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8454 (gather_blocks_in_sese_region): New.
8455 (struct move_stmt_d): Declare.
8457 (move_block_to_fn): New.
8458 (move_sese_region_to_fn): New.
8460 * passes.c (init_optimization_passes): Schedule
8461 pass_expand_omp after pass_init_datastructures.
8463 * tree-ssa-operands.c (get_expr_operands): Handle
8464 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8465 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8467 2006-01-19 Jeff Law <law@redhat.com>
8469 * tree-vrp.c (extract_range_from_assert): Refine the result range
8470 if the variable referenced by the ASSERT_EXPR has a range and
8471 either the tentative result range or the previous range is a
8474 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8476 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8478 2006-01-19 Jan Hubicka <jh@suse.cz>
8480 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8482 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8484 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8485 (expand_compound_operation, expand_field_assignment): Fail if the
8486 bit lengths of an extract operation are out of range.
8487 (make_extraction): Compute wanted_inner_mode based on the position
8488 and length of the extraction. Make it extraction_mode for non-constant
8489 positions, and do not modify offset in that case. When generating a
8490 new MEM, use a mode that can hold the extraction while keeping correct
8491 alignment. Remove code that supported MEMs wrapped by USEs.
8492 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8494 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8496 * config/s390/s390.md ("Y", "y"): New mode attribute.
8497 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8498 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8499 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8500 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8501 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8502 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8503 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8504 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8505 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8506 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8507 "addsi3", "subsi3"): Insn patterns removed.
8508 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8509 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8510 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8511 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8512 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8513 "*sub<mode>3_cconly2"): New insn patterns.
8514 ("addsi3", "subsi3"): New expanders.
8516 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8518 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8519 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8520 existing STMT_VINFO_VECTYPE if available.
8521 (vect_mark_relevant): Add special handling for stmts that are
8522 marked as STMT_VINFO_IN_PATTERN_P.
8523 (vect_analyze_loop): Call vect_pattern_recog.
8524 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8525 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8527 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8528 (vect_recog_func_ptr): New function-pointer type.
8529 * tree-vect-patterns.c: New file.
8530 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8531 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8532 (vect_pattern_recog_1): New functions.
8533 (vect_pattern_recog_funcs): New array of function pointers.
8535 * tree-vectorizer.h (ternary_op): New enum value.
8536 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8537 declaration. Revised documentation. Removed redundant dump prints.
8538 Removed redundant argument. Added support for reduction patterns.
8539 (vectorizable_reduction): Added support for reduction patterns.
8540 (vect_transform_stmt): Added support for patterns.
8542 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8543 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8544 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8545 (expand_widen_pattern_expr): New function.
8546 (init_optabs): Initialize new optabs udot_prod_optab,
8548 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8549 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8550 (expand_widen_pattern_expr): New function declaration.
8551 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8553 * tree-inline.c (estimate_num_insns_1): Added cases for new
8554 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8555 * tree-pretty-print.c (dump_generic_node): Likewise.
8556 (op_prio): Likewise.
8557 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8558 * tree-ssa-operands.c (get_expr_operands): Added case for
8560 * tree-vect-patterns.c (widened_name_p): New function.
8561 (vect_recog_dot_prod_pattern): Added function implementation.
8562 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8563 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8564 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8565 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8567 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8568 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8569 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8570 (init_optabs): Initialize new optabs widen_ssum_optab,
8572 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8573 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8574 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8575 use instead of type of def.
8576 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8577 function implementation.
8578 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8579 widen_ssumv8hi): New.
8581 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8584 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8587 * c-decl.c (add_flexible_array_elts_to_size): New function.
8588 (finish_decl): Use it.
8590 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8592 * diagnostic.h: Include options.h.
8593 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8594 dependancies for diagnostic.h.
8595 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8597 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8599 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8600 (ssa_ro_call_cache_valid): Ditto.
8601 * tree-ssa-alias.c (sort_tags_by_id): New function.
8602 (init_transitive_clobber_worklist): Ditto.
8603 (add_to_worklist): Ditto.
8604 (mark_aliases_call_clobbered): Ditto.
8605 (compute_tag_properties): Ditto.
8606 (set_initial_properties): Ditto.
8607 (compute_call_clobbered): Ditto.
8608 (compute_may_aliases): Call compute_call_clobbered and grouping.
8609 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8610 (compute_flow_insensitive_aliasing): Grouping now happens in our
8612 (setup_pointers_and_addressables): Remove clobbering related code.
8613 (add_may_alias): Ditto.
8614 (replace_may_alias): Ditto.
8615 (get_nmt_for): Ditto.
8616 (create_global_var):
8617 (is_escape_site): Return an escape_type enumeration.
8618 * tree-flow-inline.h (is_call_clobbered): Global var does not
8619 imply call clobbered.
8620 (mark_call_clobbered): Take a reason for marking this. Remove
8621 marking of globalness, and cache invalidation.
8622 (clear_call_clobbered): Remove cache invalidation code.
8623 * tree-dfa.c (dump_variable): If details is on, dump the reason
8625 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8627 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8628 (struct var_ann_d): Ditto.
8629 (enum escape_type): New.
8630 (mark_call_clobbered): Adjust prototype.
8631 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8632 are never call clobbered.
8633 Record reasons for escaping.
8634 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8635 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8636 (ssa_ro_call_cache_valid): Ditto.
8637 (clobbered_v_may_defs): Ditto.
8638 (clobbered_vuses): Ditto.
8639 (ro_call_vuses): Ditto.
8640 (clobber_stats): New.
8641 (init_ssa_operands): Zero out clobber stats.
8642 (fini_ssa_operands): Print out clobber stats.
8643 (get_call_expr_operands): Pass callee fndecl to
8645 (add_call_clobber_ops): Remove use of cache.
8646 Add use of PURE_CONST information.
8647 (add_call_read_ops): Remove use of cache.
8648 Add use of static not_read information.
8650 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8652 Introduce TLS descriptors for i386 and x86_64.
8653 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8654 (TARGET_ANY_GNU_TLS): New macro.
8655 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8656 (struct machine_function): Add tls_descriptor_call_expanded_p.
8657 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8658 (ix86_current_function_calls_tls_descriptor): Likewise.
8659 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8660 (override_options): Introduce gnu2 tls dialect.
8661 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8663 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8665 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8666 (ix86_init_machine_status): Initialize new field.
8667 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8668 (ix86_tls_module_base): New.
8669 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8670 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8671 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8672 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8673 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8674 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8675 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8676 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8677 * config/i386/predicates.md (tls_modbase_operand): New.
8678 (tp_or_register_operand): New.
8680 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8682 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8683 (look_for_address_of): Ditto.
8684 (ipa_init): Walk the function decls.
8685 (static_execute): Don't set readonly on FUNCTION_DECL's.
8687 2006-01-18 Roger Sayle <roger@eyesopen.com>
8689 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8690 for shifts where the source and destination registers are different.
8692 2006-01-18 Paul Brook <paul@codesourcery.com>
8694 Merge from csl-arm-branch.
8695 2005-03-14 Julian Brown <julian@codesourcery.com>
8696 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8697 (aeabi_llsl): Likewise.
8698 (ashrdi3): Likewise.
8699 (aeabi_lasr): Likewise.
8700 (lshrdi3): Likewise.
8701 (aeabi_llsr): Likewise.
8702 2005-03-10 Julian Brown <julian@codesourcery.com>
8703 * config.gcc: Disable shared libgcc for SymbianOS.
8704 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8706 2006-01-18 DJ Delorie <dj@redhat.com>
8708 * c-pragma.c (handle_pragma_diagnostic): New.
8709 (init_pragma): Register it.
8710 * doc/extend.texi: Document it.
8712 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8713 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8714 (diagnostic_context): Add classify_diagnostic[].
8715 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8716 as errors if they're overridden to DK_WARNING.
8717 (diagnostic_initialize): Initialize classify_diagnostic[].
8718 (diagnostic_set_kind_override): New.
8719 (diagnostic_report_diagnostic): Check for kind changes.
8720 * opts.c (common_handle_option): Take lang_mask. Update callers.
8722 * common.opt (Werror=): New.
8723 * doc/invoke.texi: Document -Werror=*
8725 2006-01-18 Jeff Law <law@redhat.com>
8727 * tree-vrp.c (test_for_singularity): Correct test for new
8728 min limit. Use operand_equal_p rather than pointer equality
8729 for testing if new min/max values are equal.
8731 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8732 using range information until after propagation and folding.
8734 2006-01-18 Richard Henderson <rth@redhat.com>
8735 Aldy Hernandez <aldyh@redhat.com>
8736 Jakub Jelinek <jakub@redhat.com>
8737 Diego Novillo <dnovillo@redhat.com>
8739 * omp-low.c: New file.
8740 * c-omp.c: New file.
8742 2006-01-18 Richard Henderson <rth@redhat.com>
8743 Jakub Jelinek <jakub@redhat.com>
8744 Diego Novillo <dnovillo@redhat.com>
8746 * doc/invoke.texi: Document -fopenmp.
8747 * tree-dump.h (debug_function): Declare.
8748 * hooks.c (hook_bool_tree_bool_false): New function.
8749 (hook_tree_tree_null): Remove.
8750 (hook_tree_tree_tree_null): New.
8751 * hooks.h: Update to match.
8752 * tree-pretty-print.c (debug_tree_chain): New.
8753 (print_generic_expr): Handle TDF_CHAIN.
8754 (dump_generic_node): Handle BLOCK.
8755 Do not abort with incomplete SWITCH_EXPRs.
8756 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8757 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8758 print space after directive name.
8759 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8760 Handle OMP_MASTER and OMP_ORDERED.
8761 Handle printing of OMP_BODY just in one place, goto
8762 dump_omp_body in the rest of OMP_* nodes that have
8764 Don't handle clause nodes here. Update omp statements to
8765 use dump_omp_clauses.
8766 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8767 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8768 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8769 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8770 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8771 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8772 Adjust output for GOMP_PARALLEL.
8773 (dump_omp_clauses): New.
8774 (print_declaration): Dump DECL_VALUE_EXPR.
8775 (op_symbol_1): Split out of op_symbol.
8776 (dumping_stmts): Remove. Update all users.
8777 * cgraph.c (cgraph_analyze_queue): New.
8778 (cgraph_add_new_function): New.
8779 * cgraph.h (cgraph_analyze_queue): Declare.
8780 (cgraph_add_new_function): Declare.
8781 (cgraph_lower_function): Remove.
8782 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8783 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8784 and TYPE_P nodes in its default clause.
8785 (empty_body_p): New.
8786 (tree_range_check_failed): New.
8788 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8789 OMP_CLAUSE_REDUCTION_MERGE,
8790 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8791 OMP_CLAUSE_PRIVATE_DEBUG,
8792 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8793 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8794 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8795 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8796 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8797 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8798 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8799 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8800 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8801 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8802 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8803 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8804 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8805 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8806 (TREE_RANGE_CHECK): New.
8807 (empty_body_p): Declare.
8808 (enum omp_clause_default_kind): New.
8809 (build_string_literal): Declare.
8810 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8811 (build5_stat, build5): Declare.
8812 * tree-pass.h (TDF_CHAIN): Define.
8813 * tree-pass.h (PROP_gimple_lomp): Define.
8814 (pass_lower_omp): Declare.
8815 * diagnostic.h (debug_tree_chain): Declare.
8816 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8818 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8819 * builtins.c (build_string_literal): Make extern.
8820 * gcc.c (include_spec_function): New.
8821 (static_spec_functions): Add it.
8822 (main): Move load of libgomp.spec ...
8823 (LINK_COMMAND_SPEC): ... here.
8824 (link_gomp_spec): New.
8825 (static_specs): Include it.
8826 (LINK_COMMAND_SPEC): Add link_gomp.
8827 (GOMP_SELF_SPECS): New.
8828 (driver_self_specs): Include it.
8829 (switch_matches): Don't mark inline.
8830 (main): Load libgomp.spec.
8831 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8832 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8833 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8834 * tree-gimple.h (enum omp_parallel): Declare.
8835 (determine_parallel_type): Declare.
8836 (omp_firstprivatize_variable): Declare.
8837 (omp_reduction_init): Declare.
8838 (diagnose_omp_structured_block_errors): Declare.
8839 (struct walk_stmt_info): Add want_return_expr.
8840 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8841 (find_omp_clause): Declare.
8842 (insert_field_into_struct): Declare.
8843 (struct walk_stmt_info): Move from tree-nested.c
8844 (walk_stmts): Declare.
8845 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8847 * cgraphunit.c (cgraph_lower_function): Make static.
8848 (cgraph_finalize_pending_functions): New.
8849 (cgraph_finalize_function): Call it.
8850 (cgraph_finalize_compilation_unit): Likewise.
8851 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8852 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8853 (BT_FN_UINT_UINT): New.
8854 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8855 DEF_FUNCTION_TYPE_VAR_4): Document.
8856 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8857 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8858 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8859 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8860 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8861 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8862 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8863 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8864 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8865 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8866 into separate files.
8867 (DEF_GOMP_BUILTIN): New.
8868 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8869 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8870 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8871 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8872 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8873 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8874 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8875 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8876 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8877 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8878 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8879 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8880 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8881 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8882 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8883 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8884 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8885 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8886 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8887 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8888 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8889 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8890 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8891 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8892 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8893 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8894 * sync-builtins.def: New file, moved from builtins.def.
8895 * omp-builtins.def: New file, moved from builtins.def.
8896 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8897 * gimple-low.c (lower_function_body): Clear data.
8898 (lower_stmt): Do not handle COMPOUND_EXPR.
8899 Remove call to print_node_brief.
8900 * c-tree.h (c_finish_omp_clauses): New prototype.
8901 (C_DECL_THREADPRIVATE_P): Define.
8902 (lookup_name_no_remap, c_omp_remap_private): Remove
8903 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8904 (check_for_loop_decls): Update decl.
8905 (lookup_name_no_remap, c_omp_remap_private): Declare.
8906 (build_indirect_ref, build_modify_expr, pushdecl,
8907 pushdecl_top_level): Move to c-common.h.
8908 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8909 before the switch, but just in the 2 places that need it.
8910 * c-decl.c (diagnose_mismatched_decls): Do not check for
8911 mismatched thread-local attributes when OLDDECL is marked
8912 threadprivate and NEWDECL has no thread-local attributes.
8913 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8914 (c_gimple_diagnostics_recursively): Rename from
8915 c_warn_unused_result_recursively. Invoke
8916 diagnose_omp_structured_block_errors.
8917 (check_for_loop_decls): Return a singular decl found.
8918 * langhooks.c (lhd_omp_predetermined_sharing): Return
8919 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8920 (lhd_omp_firstprivatize_type_sizes): New.
8921 (lhd_omp_assignment): New.
8922 (lhd_omp_predetermined_sharing): New.
8923 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8924 (struct lang_hooks_for_types): Add
8925 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8926 omp_predetermined_sharing, omp_disregard_value_expr,
8927 omp_private_debug_clause, omp_clause_default_ctor,
8928 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8929 (c_finish_omp_clauses): New.
8930 (c_finish_bc_stmt): Diagnose break within omp for.
8931 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8932 (build_unary_op): Return error_mark after reporting
8934 (build_modify_expr): Likewise.
8935 * gimplify.c: Include optabs.h and pointer-set.h.
8936 (enum gimplify_omp_var_data): Declare.
8937 (struct gimplify_omp_ctx): Declare.
8938 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8940 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8941 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8942 (splay_tree_compare_decl_uid): New.
8943 (new_omp_context): New.
8944 (delete_omp_context): New.
8945 (gimple_add_tmp_var): Call omp_add_variable.
8946 (gimplify_bind_expr): Likewise.
8947 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8948 true, disregard DECL_VALUE_EXPR on the decl if any.
8949 (gimplify_expr_in_ctx): New.
8950 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8951 omp_add_variable, omp_notice_variable, omp_is_private
8952 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8953 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8954 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8955 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8956 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8957 gimplify_omp_atomic): New.
8958 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8959 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8960 OMP_CRITICAL and OMP_ATOMIC.
8961 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8962 * c-pragma.h (enum pragma_kind): Add
8963 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8964 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8965 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8966 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8967 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8968 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8969 PRAGMA_OMP_THREADPRIVATE.
8970 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8971 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8972 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8973 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8974 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8975 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8976 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8977 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8978 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8979 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8980 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8981 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8982 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8984 (struct nesting_info): Add field_map,
8985 suppress_expansion, debug_var_chain.
8986 (create_nesting_tree): Initialize them.
8987 (lookup_field_for_decl): Use field_map.
8988 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8989 (convert_local_omp_clauses): New.
8990 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8991 (walk_body): Split out of walk_function.
8992 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8993 (convert_nonlocal_reference): Handle omp statements.
8994 (convert_local_reference): Likewise.
8995 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8996 (unnest_nesting_tree): New.
8997 (lower_nested_functions): Call it.
8998 (insert_field_into_struct): Make extern.
8999 (struct walk_stmt_info): Move to tree-gimple.h.
9000 (walk_stmts): Make extern.
9001 * omp-builtins.def: New file.
9002 * tree-iterator.c (expr_only): Clarify comment.
9003 * c-common.h (pushdecl_top_level, pushdecl,
9004 build_modify_expr, build_indirect_ref,
9005 c_finish_omp_master, c_finish_omp_critical,
9006 c_finish_omp_ordered, c_finish_omp_barrier,
9007 c_finish_omp_atomic, c_finish_omp_flush,
9008 c_finish_omp_for, c_split_parallel_clauses,
9009 omp_clause_default_kind, c_omp_sharing_predetermined,
9010 c_omp_remap_decl): Declare.
9011 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9012 (OBJS-common): Add omp-low.o.
9013 (c-omp.o, omp-low.o): Add.
9014 (gimplify.o): Add dependency on $(OPTABS_H).
9015 (GTFILES): Add omp-low.c.
9016 (gt-stringpool.h): Add.
9017 * tree-cfg.c (set_bb_for_stmt): Do not update the
9018 block-to-labels map if we are currently expanding to RTL.
9019 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9021 Handle IDENTIFIER_NODE.
9022 (tree_verify_flow_info): Do not ICE when emitting error
9023 messages about invalid labels.
9024 (dump_function_to_file): Reset CFUN before emitting the body
9026 (debug_function): New.
9027 * passes.c (init_optimization_passes): Schedule
9029 * langhooks-def.h (lhd_omp_predetermined_sharing,
9030 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9032 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9033 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9034 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9035 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9036 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9037 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9038 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9039 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9040 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9041 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9042 (LANG_HOOK_DECLS): Use them.
9044 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9045 Richard Henderson <rth@redhat.com>
9046 Jakub Jelinek <jakub@redhat.com>
9047 Diego Novillo <dnovillo@redhat.com>
9049 * c-parser.c (pragma_omp_clause): Define.
9050 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9051 (c_parser_compound_statement): Likewise.
9052 (c_parser_statement): Likewise.
9053 (c_parser_pragma): Handle omp pragmas.
9054 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9055 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9056 (c_parser_omp_clause_name, check_no_duplicate_clause,
9057 c_parser_omp_variable_list,
9058 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9059 c_parser_omp_clause_copyprivate,
9060 c_parser_omp_clause_default,
9061 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9062 c_parser_omp_clause_lastprivate,
9063 c_parser_omp_clause_nowait,
9064 c_parser_omp_clause_num_threads,
9065 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9066 c_parser_omp_clause_reduction,
9067 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9068 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9069 c_parser_omp_atomic, c_parser_omp_barrier,
9070 c_parser_omp_critical, c_parser_omp_flush,
9071 c_parser_omp_for_loop, c_parser_omp_for,
9072 c_parser_omp_master, c_parser_omp_ordered,
9073 c_parser_omp_sections_scope, c_parser_omp_sections,
9074 c_parser_omp_parallel, c_parser_omp_single,
9075 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9076 * c-pragma.c (init_pragma): Do omp pragma registration here.
9077 * c.opt (fopenmp): New flag.
9079 2006-01-18 Eric Christopher <echristo@apple.com>
9081 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9082 * config/darwin.h (GOMP_SELF_SPECS): Define.
9084 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9086 * rtl.h: Remove the prototype for reg_alloc.
9088 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9091 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9092 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9093 sjlj and dwarf2 exception handling.
9094 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9095 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9096 * pa/pa.c (function_value): Treat complex and vector types as
9098 (function_arg): Likewise. Only pass scalar floats in the floating
9099 point argument registers.
9100 * pa/t-slibgcc-dwarf-ver: New file.
9101 * pa/t-slibgcc-sjlj-ver: New file.
9102 * pa/t-slibgcc-elf-ver: Delete file.
9104 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9106 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9107 unlikely_test_section_p test.
9109 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9111 * mode-switching.c (optimize_mode_switching): Make it static.
9112 * basic-block.h: Remove the prototype for
9113 optimize_mode_switching.
9115 * modulo-sched.c (sms_schedule): Make it static.
9116 * rtl.h: Remove the prototype for sms_schedule.
9118 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9119 * rtl.h: Remove the prototype for gcse_after_reload_main.
9121 * reg-stack.c (reg_to_stack): Make it static.
9122 * rtl.h: Remove the prototype for reg_to_stack.
9124 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9126 * rtl.h: Remove the prototypes for regrename_optimize and
9127 copyprop_hardreg_forward.
9129 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9131 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9132 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9133 Test against the appropriate null constant for the mode.
9134 If 'fixup_overlap' is true, swap the operands if they overlap.
9135 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9136 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9137 alpha_split_tmode_pair and adjust for above change.
9138 * config/alpha/alpha.md (movtf_internal): Adjust call to
9139 alpha_split_tfmode_pair and rely on it to swap the operands.
9140 (movti_internal): New insn and post-reload splitter.
9141 (movti): New expander.
9143 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9145 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9148 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9150 * rtlanal.c (global_reg_mentioned_p_1,
9151 global_reg_mentioned_p): Remove.
9152 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9154 * flow.c (initialize_uninitialized_subregs): Make it static.
9155 * rtl.h: Remove the prototype for
9156 initialize_uninitialized_subregs.
9158 * function.c (instantiate_virtual_regs): Make it static.
9159 * function.h: Remove the prototype for
9160 instantiate_virtual_regs.
9162 * regmove.c (regmove_optimize, combine_stack_adjustments):
9164 * rtl.h: Remove the prototypes for regmove_optimize and
9165 combine_stack_adjustments.
9167 2006-01-17 Roger Sayle <roger@eyesopen.com>
9169 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9170 (size_cost): Encode costs in bytes so that a reg-reg addition is
9171 equivalent to COSTS_N_INSNS(1).
9172 (override_options): Use the size_cost.branch_cost as the default
9173 ix86_branch_cost when optimizing for size.
9175 2006-01-18 Ben Elliston <bje@au.ibm.com>
9177 * Makefile.in (D32PBIT_FUNCS): New.
9178 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9179 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9180 D64PBIT_FUNCS and D128PBIT_FUNCS.
9181 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9182 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9184 (decnumber_dep): Define.
9185 * doc/libgcc.texi (Decimal float library routines): New node.
9186 * config/dfp-bit.h, config/dfp-bit.c: New files.
9188 2006-01-18 Ben Elliston <bje@au.ibm.com>
9190 * expr.c (emit_move_change_mode): Always adjust addresses, not
9191 just during reload. Copy replacements only during reload.
9192 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9193 emit_move_via_integer.
9195 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9197 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9198 instead of $(srcdir) and ${srcdir}.
9200 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9204 * arm.h (struct machine_function): Add pic_reg.
9205 * arm.c (arm_pic_register): Make unsigned.
9206 (arm_override_options): Only set arm_pic_register if
9207 TARGET_SINGLE_PIC_BASE.
9208 (use_return_insn): Only test for a pic register if it is fixed.
9209 (arm_compute_save_reg0_reg12_mask): Likewise.
9210 (thumb_compute_save_reg_mask): Likewise.
9211 (legitimate_pic_operand): Factor out some known invariants.
9212 (legitimize_pic_address): If we don't have a fixed pic register,
9213 then set up a pseudo in the function entry sequence. Handle the
9214 pic base being in a pseudo.
9215 (arm_load_pic_register): Handle the pic register being in a pseudo.
9216 (arm_expand_prologue): Only set up the pic register if it is fixed.
9217 (thumb_expand_prologue): Likewise.
9218 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9219 (pic_load_addr_based_insn): Likewise.
9220 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9223 2006-01-18 Ben Elliston <bje@au.ibm.com>
9225 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9226 decimal float modes for all floating point registers.
9228 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9229 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9231 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9234 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9235 even when the pointer is not NULL.
9237 2006-01-16 Ian Lance Taylor <ian@airs.com>
9239 * common.opt (ftoplevel-reorder): New option.
9240 * cgraph.c (cgraph_asm_nodes): New global variable.
9241 (cgraph_asm_last_node): New static variable.
9242 (cgraph_order): New global variable.
9243 (cgraph_create_node): Set new order field.
9244 (cgraph_varpool_node): Likewise.
9245 (decide_is_variable_needed): Return true if not
9246 flag_toplevel_reorder.
9247 (cgraph_add_asm_node): New function.
9248 * cgraph.h (struct cgraph_node): Add order field.
9249 (struct cgraph_varpool_node): Add order field.
9250 (struct cgraph_asm_node): Define.
9251 (cgraph_asm_nodes, cgraph_order): Declare.
9252 (cgraph_add_asm_node): Declare.
9253 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9255 (cgraph_varpool_assemble_pending_decls): Call it.
9256 (cgraph_output_pending_asms): New static function.
9257 (cgraph_finalize_compilation_unit): Call it.
9258 (struct cgraph_order_sort): Define.
9259 (cgraph_output_in_order): New static function.
9260 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9261 !flag_toplevel_reorder case.
9262 * c-parser.c: Include "cgraph.h".
9263 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9265 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9266 than -fno-unit-at-a-time.
9267 * doc/invoke.texi (Option Summary): Mention
9268 -fno-toplevel-reorder.
9269 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9270 -funit-at-a-time documentation.
9272 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9273 Kazu Hirata <kazu@codesourcery.com>
9275 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9277 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9279 * Makefile.in (FUNCTION_H): New. Use it instead of
9280 function.h throughout the file.
9281 * function.h: Include tree.h.
9283 2006-01-17 Ben Elliston <bje@au.ibm.com>
9285 * recog.c: Separate some functions with whitespace.
9287 2006-01-16 Richard Henderson <rth@redhat.com>
9289 Merge from gomp branch:
9290 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9291 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9292 and rename from struct inline_data. Rename callee* to dst*;
9293 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9294 transform_new_cfg, transform_return_to_modify, and
9295 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9297 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9298 (copy_decl_for_dup): Remove.
9299 * tree-inline.c (struct inline_data): Move to header.
9300 (insert_decl_map): Export.
9301 (remap_decl): Update for member name changes. Use copy_decl hook.
9302 Allow for replacement to be a non-decl. Remove dead code.
9303 (remap_type_1): Check for existing mapping.
9304 (remap_type): Export.
9305 (remap_decls): Update for member name changes.
9306 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9307 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9308 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9309 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9310 (tree_function_versioning, build_duplicate_type): Likewise.
9311 (copy_body_r): Likewise. Export.
9312 (copy_decl_for_dup): Split into ...
9313 (copy_decl_for_dup_finish, copy_decl_to_var,
9314 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9315 (replace_ref_tree, inlining_p): Remove.
9317 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9319 * ifcvt.c (if_convert): Make it static.
9320 * rtl.h: Remove the prototype for if_convert.
9322 * local-alloc.c (local_alloc): Make it static.
9323 * rtl.h: Remove the prototype for local_alloc.
9325 * loop.c (loop_optimize): Make it static.
9326 * cfgloop.h: Remove the prototype for loop_optimize.
9329 2006-01-16 DJ Delorie <dj@redhat.com>
9331 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9334 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9336 * pa.md: Disparage copies between general and floating-point registers
9337 in 32-bit move patterns.
9339 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9342 * Makefile.in (check-%): Depend on site.exp instead of
9343 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9346 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9348 * global.c (global_alloc): Make it static.
9349 * rtl.h: Remove the prototype for global_alloc.
9351 2006-01-16 Richard Guenther <rguenther@suse.de>
9353 * tree-ssa-alias.c (struct used_part): Add write_only field.
9354 (get_or_create_used_part_for): Initialize it to true.
9355 (create_overlap_variables_for): Don't create structure variables
9356 for structures that only are written to.
9357 (find_used_portions): Handle MODIFY_EXPR to track whether a
9358 structure is only written to.
9360 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9362 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9364 * basic-block.h: Remove the prototype for
9365 partition_hot_cold_basic_blocks.
9367 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9369 * cppspec.c (lang_specific_spec_functions): Remove.
9370 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9371 * gcc.h (lang_specific_spec_functions): Remove.
9372 * gccspec.c (lang_specific_spec_functions): Remove.
9374 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9376 * combine.c (record_value_for_reg): Invalidate registers
9378 (record_dead_and_set_regs_1): Likewise, by passing them to
9379 record_value_for_reg.
9380 (record_dead_and_set_regs): Invalidate stores made by a
9381 call. We do not combine across a call, but we still
9382 relied on equivalences.
9384 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9386 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9387 vrp_int_const_binop returning non-constant nodes.
9389 2006-01-16 Paul Brook <paul@codesourcery.com>
9391 * config/m68k/m68k.c (output_move_const_into_data_reg):
9392 Output correct mnemonic for mvz and mvs.
9394 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9396 * rtl-factoring.c: Add sequence abstraction algorithm.
9397 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9398 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9400 (block_has_preserve_label): New function.
9401 * common.opt: Register new pass.
9402 * Makefile.in: Ditto.
9404 * timevar.def: Ditto.
9405 * tree-pass.h: Ditto.
9406 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9407 * rtl.h (make_jump_insn_raw): Add forward decl.
9408 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9410 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9411 Roger Sayle <roger@eyesopen.com>
9413 * fold-const.c (fold_minmax): New static function.
9414 (fold_binary) <MIN_EXPR>: Call it.
9415 <MAX_EXPR>: Likewise.
9416 * stor-layout.c (place_field): Use DECL_SIZE consistently
9417 in the computation of the new record size.
9419 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9421 * cse.c (cse_condition_code_reg): Make it static.
9422 * rtl.h: Remove the prototype for cse_condition_code_reg.
9424 * combine.c (combine_instructions): Make it static.
9425 * rtl.h: Remove the prototype for combine_instructions.
9427 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9430 * tree.c (get_file_function_name_long): Concatenate the first global
9431 object name with a string derived from the input filename of the object
9434 2006-01-16 Ben Elliston <bje@au.ibm.com>
9436 * config/i386/winnt-stubs.c: Update FSF address.
9437 * config/xtensa/ieee754-df.S: Ditto.
9438 * config/xtensa/ieee754-sf.S: Ditto.
9440 2006-01-14 Ian Lance Taylor <ian@airs.com>
9442 * ifcvt.c (noce_init_if_info): New static function, broken out of
9443 noce_process_if_block.
9444 (noce_process_if_block): Call noce_init_if_info.
9445 (check_cond_move_block): New static function.
9446 (cond_move_process_if_block): New static function.
9447 (process_if_block): Call cond_move_process_if_block.
9449 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9451 * cselib.c (hash_table): Rename to cselib_hash_table.
9452 (cselib_clear_table, discard_useless_values,
9453 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9454 cselib_init, cselib_finish): Adjust uses of hash_table.
9456 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9458 PR tree-optimization/25485
9459 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9460 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9461 is known to be false and true, respectively.
9463 2006-01-14 Richard Guenther <rguenther@suse.de>
9465 PR tree-optimization/22548
9466 PR tree-optimization/22555
9467 PR tree-optimization/22501
9468 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9469 * params.def (salias-max-array-elements): New parameter.
9470 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9471 * doc/invoke.texi (salias-max-array-elements): Document.
9472 * tree-flow-inline.h (var_can_have_subvars): We also handle
9474 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9476 * tree-ssa-structalias.c (params.h): Include.
9477 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9478 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9479 (get_constraint_for): For ADDR_EXPR operating on something
9480 containing an ARRAY_REF, add all subvars to the solution.
9481 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9482 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9483 for creating MUST_DEFs.
9484 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9486 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9488 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9490 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9491 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9492 number_of_iterations_le): New functions.
9493 (number_of_iterations_special): Removed.
9494 (number_of_iterations_exit): Do not use number_of_iterations_special.
9495 * tree.c (unsigned_type_for): Always return integer type.
9497 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9498 Richard Guenther <rguenther@suse.de>
9500 PR rtl-optimization/24257
9501 * gcse.c (find_moveable_store): Only consider a store movable
9502 when the SET_SRC of the insn can be assigned to a register.
9504 2006-01-14 Ian Lance Taylor <ian@airs.com>
9506 * tree.c (tree_not_class_check_failed): New function.
9507 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9508 (tree_not_class_check_failed): Declare.
9510 2006-01-13 Ian Lance Taylor <ian@airs.com>
9512 * reload1.c (do_output_reload): Add assertion rejecting a
9515 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9517 * combine.c (struct reg_stat): Add new fields truncation_label and
9519 (record_value_for_reg): Reset truncated_to_mode.
9520 (record_truncated_value): New function.
9521 (check_promoted_subreg): Call it. Rename to check_conversions.
9522 (combine_instructions): Rename check_promoted_subreg to
9524 (reg_truncated_to_mode): New function.
9525 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9526 (gen_lowpart_or_truncate): New function.
9527 (force_to_mode): Use it instead of gen_lowpart.
9529 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9531 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9532 VAR is a tag, not its type tag.
9534 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9536 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9537 alternatives to match style of other entries.
9538 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9540 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9542 PR tree-optimization/25771
9543 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9546 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9549 * tree-inline.c (declare_return_variable): If the return variable
9550 was marked as a non gimple complex, set the return slot variable
9551 to be a non gimple comple variable.
9553 2006-01-13 Richard Guenther <rguenther@suse.de>
9555 * builtins.c (expand_builtin_sincos): New function.
9556 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9558 (expand_builtin): Expand sincos using expand_builtin_sincos.
9560 2006-01-12 DJ Delorie <dj@redhat.com>
9562 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9563 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9564 so that constant shifts can be split.
9565 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9566 (m32c_valid_pointer_mode): Make static.
9567 (shift_gen_func_for): New.
9568 (m32c_prepare_shift): Use it. Split large const shifts into
9570 * config/m32c/predicates.md (shiftcount_operand): Allow more
9572 (longshiftcount_operand): New.
9573 * doc/md.texi (Machine Constraints): Document In6.
9575 2006-01-13 Ben Elliston <bje@au.ibm.com>
9577 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9578 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9581 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9583 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9584 to try to avoid clobbering pieces of structures when we know
9585 something about the whole structure.
9586 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9588 2006-01-13 Ben Elliston <bje@au.ibm.com>
9590 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9591 return in memory, as this is no limitation is no longer present.
9593 2006-01-12 DJ Delorie <dj@redhat.com>
9595 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9596 mova with fb, and for fb+0 -> An.
9598 * config/m32c/mov.md (peephole2): Fix enabling logic.
9600 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9601 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9602 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9603 FINI_ARRAY_SECTION_ASM_OP): Define.
9605 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9607 (m32c_legitimize_reload_address): New logic to reload FB to An.
9608 (m32c_output_reg_push): Add newline.
9609 (m32c_output_reg_pop): Likewise.
9611 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9613 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9615 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9617 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9619 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9621 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9624 2006-01-11 Ben Elliston <bje@au.ibm.com>
9626 * rtlanal.c (find_reg_note): Assert insn is not null.
9628 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9630 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9633 2006-01-11 Jeff Law <law@redhat.com>
9635 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9637 (mark_threaded_blocks, register_jump_thread): New functions.
9638 (thread_through_all_blocks): Remove unwanted argument. No
9639 longer rely on e->aux to communicate thread target info.
9640 Call mark_threaded_blocks. Release the threaded_blocks
9641 bitmap and threaded_edges vector when complete.
9642 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9643 (threaded_blocks): Remove.
9644 (tree_ssa_dominator_optimize): Remove initialization and
9645 finalization of threaded_blocks. Simplify call to
9646 thread_through_all_blocks.
9647 (thread_across_edge): Call register_jump_thread rather than
9648 storing thread information into e->aux.
9649 (free_all_edge_infos): Simplify now that e->aux is no longer
9650 used to communicate with thread_through_all_blocks.
9651 * tree-flow.h (thread_through_all_blocks): Update prototype.
9652 (register_jump_thread): Prototype.
9654 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9656 * df-core.c (df_compact_blocks, df_bb_replace): Use
9657 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9659 2006-01-11 Richard Guenther <rguenther@suse.de>
9661 PR tree-optimization/25734
9662 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9663 stop propagation after successful propagation to the LHS.
9665 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9667 * basic-block.h (control_flow_graph): Change the type of
9668 x_basic_block_info to VEC(basic_block,gc) *.
9669 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9671 (SET_BASIC_BLOCK): New.
9672 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9673 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9674 * cfgbuild.c (find_basic_blocks): Likewise.
9675 * cfglayout.c (fixup_reorder_chain): Likewise.
9676 * cfgrtl.c (create_basic_block_structure,
9677 rtl_create_basic_block): Likewise.
9678 * ifcvt.c (find_if_case_1): Likewise.
9679 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9682 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9684 * Makefile.in: Removed rotted odf.c entry.
9686 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9689 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9690 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9691 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9692 output pattern modifier, not %e.
9693 * config/cris/cris.c (cris_op_str): Update comment about pattern
9695 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9696 before falling through into...
9697 <case 'E'>: Redefined from old 'e' case.
9699 2006-01-11 Jan Hubicka <jh@suse.cz>
9702 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9704 2006-01-11 Jan Hubicka <jh@suse.cz>
9706 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9707 * i386.c (x86_decompose_lea): Kill.
9708 (ix86_rtx_costs): Kill.
9710 2006-01-11 Jan Hubicka <jh@suse.cz>
9712 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9713 * cgraph.h (cgraph_node): Add inline_decl.
9714 (cgraph_insert_node_to_hashtable): Declare.
9715 (save_inline_function_body): Declare.
9716 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9718 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9719 (cgraph_function_versioning): Update call of tree_function_versioning.
9720 (save_inline_function_body): New function.
9721 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9722 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9723 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9724 (cgraph_default_inline_p): Likewise.
9725 (cgraph_decide_inlining_incrementally): Likewise.
9726 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9727 (copy_bb): Kill saving; do updating of clones.
9728 (copy_cfg_body): Kill saving.
9729 (initialize_inlined-parameters): Likewise.
9730 (expand_call_inline): Likewise.
9732 (tree_function_versioning): New parameter "update_clones".
9733 (inlining_p): Kill saving.
9734 * tree-inline.h (tree_function_versioning): Update prototype.
9735 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9738 2006-01-11 Ian Lance Taylor <ian@airs.com>
9740 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9741 Allow undoing set of machine mode.
9742 (do_SUBST): Use enums instead of is_int.
9743 (do_SUBST_MODE): New function.
9744 (SUBST_MODE): New macro.
9745 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9746 reg and trying to replace reg_regno_rtx with a new register.
9747 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9748 (simplify_set): Use SUBST_MODE.
9749 (distribute_notes): Remove code that tried to update reg notes
9750 for regno_reg_rtx changes.
9752 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9754 PR tree-optimization/23109
9755 PR tree-optimization/23948
9756 PR tree-optimization/24123
9758 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9759 * tree-cfg.c (single_noncomplex_succ): New.
9760 * tree-flow.h (single_noncomplex_succ): Declare it.
9761 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9762 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9763 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9764 insert_bb, register_division_in, insert_reciprocals,
9765 replace_reciprocal, free_bb): New.
9766 (execute_cse_reciprocals_1): Rewritten.
9767 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9768 Do not commit any edge insertion. Always compute dominators and
9769 create the allocation pool.
9770 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9771 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9772 * targhooks.c (default_min_divistions_for_recip_mul): New.
9773 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9774 * passes.c (init_optimization_passes): Run recip after tree loop
9776 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9778 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9779 Kenneth Zadeck <zadeck@naturalbridge.com>
9781 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9782 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9783 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9784 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9785 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9786 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9787 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9788 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9789 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9790 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9791 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9792 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9793 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9794 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9795 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9796 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9797 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9798 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9799 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9800 DF_SCAN_POST_ALLOC): New macros.
9801 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9802 df_free_bb_function, df_local_compute_function, df_init_function,
9803 df_dataflow_function, df_confluence_function_0,
9804 df_confluence_function_n, df_transfer_function,
9805 df_finalizer_function, df_free_function, df_dump_problem_function,
9806 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9807 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9808 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9809 df_urec_bb_info, ) New types.
9810 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9812 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9813 df_analyze_simple_change_some_blocks,
9814 df_analyze_simple_change_one_block, df_compact_blocks,
9815 df_bb_replace, df_bb_regno_last_use_find,
9816 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9817 df_insn_regno_def_p, df_find_def, df_find_use,
9818 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9819 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9820 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9821 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9822 debug_df_chain, df_get_dependent_problem, df_chain_create,
9823 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9824 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9825 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9826 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9827 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9828 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9829 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9830 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9831 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9832 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9833 df_reorganize_refs, df_set_state, df_hard_reg_init,
9834 df_read_modify_subreg_p) New public functions.
9835 * df-core.c: The core dataflow solver and glue routines for rtl
9837 (df_init, df_add_problem, df_set_blocks, df_finish,
9838 df_hybrid_search_forward, df_hybrid_search_backward,
9839 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9840 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9841 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9842 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9843 df_reg_defined, df_find_use, df_reg_used, df_dump,
9844 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9845 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9846 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9847 debug_df_useno, reset_df_after_reload): New functions.
9848 * df-scan.c: The scanning fuctions, once in df.c, completely
9849 rewritten so that they now fully model the functionality of
9850 register usage at the backend.
9851 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9852 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9853 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9854 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9855 df_get_artificial_defs, df_get_artificial_uses,
9856 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9857 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9858 df_refs_delete, df_reorganize_refs, df_set_state,
9859 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9860 df_def_record_1, df_defs_record, df_uses_record,
9861 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9862 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9863 df_record_exit_block_uses, df_hard_reg_init): New functions.
9865 * df-problems.c: Seven concrete dataflow problems that use the
9866 scanning in df-scan.c and are solved by the engine in df-core.c.
9867 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9868 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9869 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9870 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9871 df_ru_free_bb_info, df_ru_alloc,
9872 df_ru_bb_local_compute_process_def,
9873 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9874 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9875 df_ru_transfer_function, df_ru_free, df_ru_dump,
9876 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9877 df_rd_free_bb_info, df_rd_alloc,
9878 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9879 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9880 df_rd_transfer_function, df_rd_free, df_rd_dump,
9881 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9882 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9883 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9884 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9885 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9886 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9887 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9888 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9889 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9890 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9891 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9892 df_urec_mark_reg_use_for_earlyclobber,
9893 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9894 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9895 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9896 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9897 df_chain_create_bb_process_use, df_chain_create_bb,
9898 df_chain_finalize, df_chain_free, df_chains_dump,
9899 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9900 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9901 df_reg_lifetime): New functions.
9902 * df.c: Deleted file.
9903 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9904 consistent with new df api.
9905 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9906 rest_of_handle_sms): Ditto.
9907 * web.c (unionfind_union, union_defs, entry_register, web_main):
9909 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9910 invariant_expr_equal_p, find_defs, check_dependencies,
9911 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9912 free_inv_motion_data, move_loop_invariants): Ditto.
9913 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9914 Update dependencies.
9915 (odf.c): Added defective entry that was deleted later in day.
9916 * sched-deps.c (sched_analyze_1): Ditto.
9918 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9920 * tree-ssa-operands.c (get_expr_operands): Record addressable
9921 variables directly. Do not call add_stmt_operands for CONST_DECLs
9923 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9924 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9926 2006-01-11 Ben Elliston <bje@au.ibm.com>
9928 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9929 function returns true in the positive case.
9931 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9934 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9935 for SI, DI, SF and DF modes. Add alternatives to copy between
9936 general and floating point registers to the 32-bit patterns.
9937 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9938 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9939 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9940 generating 64-bit code.
9941 * config/pa/pa.c (output_move_double): Handle copies between general
9942 and floating registers.
9944 2006-01-10 Stuart Hastings <stuart@apple.com>
9946 * config/i386/i386.md (set_got): Update.
9947 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9948 (builtin_setjmp_receiver): Mach-O support.
9949 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9950 (GOT_SYMBOL_NAME): Define.
9951 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9952 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9953 * config/i386/i386.c (override_options): Revise for Darwin.
9954 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9955 support. (darwin_x86_file_end): New. (output_set_got): Add label
9956 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9957 * config/i386/i386-protos.h (output_set_got): Likewise.
9958 * config/darwin.c (machopic_legitimize_pic_address): Update
9961 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9963 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9964 when MODE isn't BLKmode.
9966 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9968 PR rtl-optimization/25367
9969 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9971 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9974 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9975 for a negative bound.
9977 2006-01-10 Richard Guenther <rguenther@suse.de>
9979 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9980 Never override with anything constraint.
9982 2006-01-10 Jan Beulich <jbeulich@novell.com>
9984 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9985 256 bits when optimize_size.
9987 2006-01-10 Jan Beulich <jbeulich@novell.com>
9989 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9991 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9992 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9995 2006-01-10 Ben Elliston <bje@au.ibm.com>
9997 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9999 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10000 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10001 (USE_FP_FOR_ARG): Reject decimal float modes.
10002 (function_arg_advance): Likewise.
10003 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10004 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10005 point types in AltiVec vectors.
10006 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10007 (rs6000_libcall_value): Likewise.
10009 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10011 * config/xtensa/ieee754-df.S: New file.
10012 * config/xtensa/ieee754-sf.S: New file.
10013 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10014 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10015 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10017 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10019 * config/sh/predicates.md (binary_float_operator,
10020 binary_logical_operator, commutative_float_operator,
10021 equality_comparison_operator, greater_comparison_operator,
10022 less_comparison_operator, logical_operator,
10023 noncommutative_float_operator, shift_operator,
10024 symbol_ref_operand, unary_float_operator): Remove redundant
10027 2006-01-09 Jeff Law <law@redhat.com>
10029 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10030 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10031 now unused arguments. Callers updated.
10032 (eliminate_redundant_computations): Remove now unused arguments,
10034 (local_fold): Remove, no longer used.
10035 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10037 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10038 (simplify_cond): New function.
10039 (forward_propagate_into_cond): Call simplify_cond.
10041 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10043 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10044 (*vec_extractv2di_1_sse): New.
10046 2006-01-09 Ben Elliston <bje@au.ibm.com>
10048 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10050 2006-01-08 Richard Guenther <rguenther@suse.de>
10052 * tree-ssa-structalias.c (get_constraint_for): Remove
10053 anyoffset argument.
10054 (get_constraint_for_component_ref): Likewise.
10055 (do_deref): Likewise.
10056 (get_constraint_for): Likewise.
10057 (do_structure_copy): Likewise.
10058 (handle_ptr_arith): Likewise.
10059 (find_func_aliases): Likewise. Remove unused need_anyoffset
10062 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10063 Kaz Kojima <kkojima@gcc.gnu.org>
10065 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10066 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10067 (EXTRA_CONSTRAINT_C16): Remove.
10068 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10069 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10070 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10071 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10072 constants of SHmedia. Handle nested constant expressions of
10074 (andcosts): Fix the costs for SHmedia constants.
10075 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10076 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10077 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10078 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10079 (movv4hi_i, movv2si_i): Likewise.
10080 (movsi_const): Adjust the second operand of ior so to match with
10081 the Csu constraint.
10082 (movdi_const, movdi_const_32bit): Likewise.
10083 (movdi_const_16bit+1): Don't sign-extend LOW.
10084 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10086 (*double_shori): Fix the split condition. Use GEN_INT instead
10087 of get_int_mode calls. Mask lower 16-bit of the argument of
10089 (sym2GOTPLT): Remove.
10090 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10092 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10093 instead of EXTRA_CONSTRAINT_C16.
10095 2006-01-07 Ian Lance Taylor <ian@airs.com>
10096 David Edelsohn <edelsohn@gnu.org>
10098 PR rtl-optimization/25662
10099 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10100 for constant operands instead of simplify_gen_binary.
10101 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10102 after trying simplify_binary_operation
10104 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10106 * tree.c (iterative_hash_expr): Hash decls based on UID.
10108 2006-01-06 Eric Christopher <echristo@apple.com>
10110 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10111 (TARGET_UNWIND_EMIT): Fix spelling.
10112 * target.h (gcc_target): Add except_table_label.
10113 * except.c (output_function_exception_table): Use.
10114 * varasm.c (default_emit_except_table_label): New.
10115 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10117 (asm_out): Add here.
10118 * output.h (default_emit_except_table_label): Prototype.
10119 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10120 * config/darwin.c (darwin_emit_except_table_label): Define.
10121 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10123 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10125 PR tree-optimization/18527
10126 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10127 number_of_iterations_special, number_of_iterations_exit):
10128 Move base and step of an iv to a single structure. Add
10129 no_overflow flag, and use it in # of iterations analysis.
10130 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10131 folded_casts argument.
10132 (simple_iv): Pass base and step in a structure. Set no_overflow
10134 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10135 Evaluate expensiveness of computing # of iterations instead of
10136 the final expression.
10137 * tree-scalar-evolution.h (affine_iv): New structure.
10138 (simple_iv): Declaration changed.
10139 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10140 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10141 find_givs_in_stmt): Changed due to simple_iv change.
10143 2006-01-06 Jeff Law <law@redhat.com>
10146 * tree-cfg.c (bsi_replace): Rename final argument from
10147 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10148 change (stmt -> orig_stmt).
10149 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10150 (bsi_remove): Add new argument. Remove EH information
10152 (verify_eh_throw_table_statements): New function.
10153 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10155 * tree-optimize.c (execute_free_cfg_annotations): Verify
10156 the EH throw statement table after removing annotations.
10157 * except.h (verify_eh_throw_table_statements): Prototype.
10158 * tree-flow.h (bsi_remove): Update prototype.
10159 * tree-vrp.c (remove_range_assertions): Add new argument to
10161 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10162 * tree-complex.c (expand_complex_div_wide): Likewise.
10163 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10164 * tree-tailcall.c (eliminate_tailcall): Likewise.
10165 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10166 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10167 * tree-nrv.c (tree_nrv): Likewise.
10168 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10169 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10170 (combine_blocks): Likewise.
10171 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10172 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10173 (cleanup_control_flow): Likewise.
10174 (remove_forwarder_block): Likewise.
10175 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10176 * tree-sra.c (sra_replace): Likewise.
10177 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10178 (forward_propagate_single_use_vars): Likewise.
10179 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10180 * tree-inline.c (expand_call_inline): Likewise.
10181 * tree-vect-transform.c (vect_transform_loop): Likewise.
10182 * tree-outof-ssa.c (rewrite_trees): Likewise.
10183 * tree-cfg.c (make_goto_expr_edges): Likewise.
10184 (cleanup_dead_labels): Likewise.
10185 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10186 (bsi_move_before, bsi_move_after): Likewise.
10187 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10188 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10190 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10193 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10195 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10196 on non gimple variables. Also add checks at the top for decls and
10198 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10200 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10201 and IMAGPART_EXPR for creating MUST_DEFs.
10202 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10203 and NAME_MEMORY_TAG separately from the DECLs.
10205 2006-01-06 Richard Guenther <rguenther@suse.de>
10207 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10208 annotation, if necessary.
10209 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10210 redundant calls to update_stmt.
10211 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10214 2006-01-05 Richard Henderson <rth@redhat.com>
10216 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10218 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10220 * c-typeck.c: Update copyright date.
10222 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10224 * c-typeck.c (build_c_cast): Always warn when casting
10225 from a pointer to an integer of different size, even if
10226 the node was constant.
10228 2006-01-05 Richard Guenther <rguenther@suse.de>
10230 PR tree-optimization/22555
10231 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10232 if one structure field is an array.
10233 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10234 operands even if we found a subvar, but ignore VOPs in this
10236 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10238 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10240 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10242 PR middle-end/24998
10243 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10245 2006-01-05 Richard Guenther <rguenther@suse.de>
10246 Diego Novillo <dnovillo@redhat.com>
10248 * tree-pass.h (TODO_remove_unused_locals): Define.
10249 * gimple-low.c (expand_var_p, remove_useless_vars,
10250 pass_remove_useless_vars): Remove. Update all users.
10251 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10252 (remove_unused_locals): New function.
10253 * tree-flow.h (remove_unused_locals): Declare.
10254 * passes.c (execute_todo): Call remove_unused_locals if
10255 TODO_remove_unused_locals is set.
10256 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10257 * tree-ssa-dce.c (pass_dce): Likewise.
10258 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10260 2006-01-05 Richard Guenther <rguenther@suse.de>
10262 * tree-flow.h (struct fieldoff): Decompose field to
10263 type, size and decl.
10264 * tree-ssa-alias.c (create_sft): Take type as parameter.
10265 (create_overlap_variables_for): Store type, size and decl
10266 in the fieldoff structure.
10267 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10268 of struct fieldoff.
10269 (push_fields_onto_fieldstack): Likewise.
10270 (create_variable_info_for): Likewise. Use offset for the
10271 SFT name if the decl is not available.
10273 2006-01-04 Paul Brook <paul@codesourcery.com>
10275 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10277 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10279 * lambda-code.c (can_put_in_inner_loop): Relax
10281 (can_put_after_inner_loop): New function.
10282 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10283 (perfect_nestify): Change to make copies and modify uses.
10285 2006-01-04 Richard Henderson <rth@redhat.com>
10287 Merge from gomp branch:
10288 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10289 via integer constant.
10290 (pragma_lex): Remove.
10291 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10292 rather than parsing it.
10293 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10294 handle_pragma_extern_prefix): Add %< %> quotes.
10295 (registered_pragmas): New.
10296 (c_register_pragma_1): New.
10297 (c_register_pragma): Use it.
10298 (c_register_pragma_with_expansion): Likewise.
10299 (c_invoke_pragma_handler): New.
10300 (init_pragma): Use cpp_register_deferred_pragma directly for
10302 * c-pragma.h (enum pragma_kind): New.
10303 (pragma_handler): New.
10304 (c_invoke_pragma_handler): Declare.
10305 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10307 * c-common.h (c_common_pch_pragma): Update decl.
10308 * Makefile.in (c-parser.o): Update dependencies.
10309 (GTFILES): Add c-pragma.h.
10310 * c-parser.c (struct c_token): Add pragma_kind.
10311 (struct c_parser): Add in_pragma.
10312 (c_lex_one_token): Always initialize keyword and pragma_kind.
10313 Extract data for CPP_PRAGMA.
10314 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10315 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10316 Don't allow CPP_PRAGMA_EOL if in_pragma.
10317 (c_parser_consume_pragma): New.
10318 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10319 (c_parser_skip_to_end_of_parameter): Likewise.
10320 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10321 (c_parser_skip_to_pragma_eol): New.
10322 (c_parser_external_declaration): Handle CPP_PRAGMA.
10323 (c_parser_compound_statement_nostart): Likewise.
10324 (c_parser_statement_after_labels): Likewise.
10325 (c_parser_pragma): New.
10326 (pragma_lex): Likewise.
10327 (c_parser_pragma_pch_preprocess): New.
10328 (c_parser_new): Merge into ...
10329 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10331 2006-01-04 Jeff Law <law@redhat.com>
10334 * tree-cfg.c (bsi_replace): Remove the original statement
10335 from the EH throw statement table.
10337 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10339 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10340 make the prototype extern "C" and add throw ().
10343 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10344 and pos non-negative and pos + len <= 32.
10345 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10346 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10347 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10350 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10351 as well as sizes not multiple of component size.
10354 * function.c (instantiate_expr): New function.
10355 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10356 walk its DECL_VALUE_EXPR with instantiate_expr.
10358 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10359 DW_OP_deref{,_size} if address isn't going to be added.
10361 2006-01-04 Ben Elliston <bje@au.ibm.com>
10363 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10364 * config/fp-bit.c: Likewise.
10366 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10368 * dominance.c: Add comment about why we use DFS numbering
10371 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10372 Richard Henderson <rth@redhat.com>
10374 Merge from gomp-branch:
10375 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10376 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10378 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10380 PR rtl-optimization/25578
10381 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10382 pass a parameter to simplify_shift_const if changing ASHIFTRT
10385 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10387 * builtins.c (get_builtin_sync_mem): New function.
10388 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10389 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10390 Call get_builtin_sync_mem to generate mem rtx.
10392 2006-01-03 Richard Guenther <rguenther@suse.de>
10395 * stmt.c (add_case_node): Make sure to clear overflow flags
10398 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10400 Merge from gomp-branch.
10401 * config/sparc/sync.md: New file.
10402 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10403 UNSPECV_LDSTUB): New constants.
10404 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10405 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10406 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10409 2006-01-03 Roger Sayle <roger@eyesopen.com>
10411 * combine.c (reg_subword_p): New predicate to test whether the
10412 destination of a set refers to a subword/piece of a register.
10413 (try_combine): Generalize the code to merge the setting of a
10414 pseudo to a constant followed by a set of a subword of that
10415 register to a constant.
10417 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10419 * basic-block.h (control_flow_graph): Change the type of
10420 x_label_to_block_map to VEC(basic_block,gc) *.
10421 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10422 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10424 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10425 VEC(basic_block,heap) *.
10426 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10427 ssa_prop_fini): Adjust the uses of cfg_blocks.
10429 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10431 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10433 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10434 hashing trees instead of a pointer hash.
10435 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10436 compare for MEM_EXPR.
10438 PR rtl-optimization/25130
10439 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10440 when comparing MEMs for GCSE
10442 2006-01-03 Ben Elliston <bje@au.ibm.com>
10444 * targhooks.h (default_decimal_float_supported_p): Declare.
10445 * targhooks.c (default_decimal_float_supported_p): Define.
10446 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10447 `default_decimal_float_supported_p'.
10448 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10450 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10452 * combine.c (apply_distributive_law <SUBREG>): Check
10453 TRULY_NOOP_TRUNCATION.
10455 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10457 * dwarf2out.c (have_switched_text_section): Delete.
10458 (have_multiple_function_sections): New.
10459 (have_location_lists): Make 'bool'.
10460 (add_AT_loc_list): Use 'true' not '1'.
10461 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10462 (output_loc_list): Use have_multiple_function_sections.
10463 (output_ranges): Likewise.
10464 (dwarf2out_begin_function): Set have_multiple_function_sections if
10466 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10467 Check function_section rather than DECL_SECTION_NAME.
10468 (dwarf2out_finish): Use have_multiple_function_sections.
10469 Don't clear have_location_lists.
10471 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10472 Jan Hubicka <jh@suse.cz>
10474 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10475 case of conditional jump jumping to the next instruction.
10476 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10477 cases of conditional jump jumping to the next instruction.
10479 2006-01-02 Jan Hubicka <jh@suse.cz>
10481 * i386.c (*_cost): Add COSTS_N_INSNS.
10482 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10484 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10487 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10489 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10491 * config/arm/arm.c (all_fpus): Fix comment typo.
10492 * config/darwin.c: Likewise.
10493 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10494 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10495 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10497 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10499 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10500 (rs6000_split_compare_and_swapqhi): New.
10501 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10502 (sync_compare_and_swapqhi_internal): New.
10503 * config/rs6000/rs6000-protos.h: Declare.
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