1 2006-05-04 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/14287
4 PR tree-optimization/14844
5 PR tree-optimization/19792
6 PR tree-optimization/21608
7 PR tree-optimization/27090
8 * tree-ssa-pre.c (try_combine_conversion): New function.
9 (compute_avail): After constructing the value-handle
10 expression, use try_combine_conversion to combine NOP_EXPRs
11 with previous value-handle expressions and use the result if it
14 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
16 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
18 2006-05-04 Jan Hubicka <jh@suse.cz>
21 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
23 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
25 * config/bfin/predicates.md (const01_rtx): Tell generator programs
26 that this only matches CONST_INTs. All users changed to VOIDmode
29 * config/bfin/bfin.c: Include "optabs.h".
30 (bfin_rtx_costs): Some costs for vector operations, to allow combine
32 (enum bfin_builtins): Add a number of fractional and vector builtins.
33 (bfin_init_builtins): Likewise.
34 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
35 (safe_vector_operand, bfin_expand_binop_builtin,
36 bfin_expand_unop_builtin): New functions.
37 (bfin_expand_builtin): Handle the new builtins.
38 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
41 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
44 * Makefile.in (OBJS-common): Add see.o.
45 (see.o): Add dependencies.
46 * common.opt (fsee): New flag for the see optimization was added.
47 * opts.c (flag_see): Initialized.
48 * passes.c (init_optimization_passes, pass_see): New pass.
49 * rtl.h (see_main): Declaration as extern.
50 * timevar.def (TV_SEE): New.
51 * tree-pass.h (pass_see): Declaration as extern.
52 * invoke.texi (-fsee): Document.
53 * recog.c (validate_simplify_insn): New function.
54 * recog.h (validate_simplify_insn): Declaration as extern.
55 * df-problems.c (df_chain_dump): Check for NULL.
57 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
58 Daniel Berlin <dberlin@dberlin.org>
60 * cfgrtl.c (insert_insn_bb_end_new): New function.
61 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
63 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
65 * df.h (struct web_entry): Moved from web.c.
66 (union_defs): Declaration as extern.
67 (unionfind_root): Likewise.
68 (unionfind_union): Likewise.
69 * web.c (struct web_entry): Moved to df.h.
70 (unionfind_root): Remove static declaration.
71 (unionfind_union): Likewise.
72 (union_defs): Likewise and generalize to use callback function.
73 (web_main): Update arguments for union_defs function call.
75 2006-05-04 Richard Guenther <rguenther@suse.de>
77 PR tree-optimization/26447
78 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
79 produce SSA_NAME copies before the store stmt to avoid
80 breaking exception handling.
82 2006-05-04 Jakub Jelinek <jakub@redhat.com>
85 * gimplify.c (omp_is_private): If var is shared in some outer context,
86 return false instead of true. Stop searching on parallel context
89 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
92 * coverage.c: Use get_gcov_unsigned_t() instead of
93 unsigned_type_node all over.
95 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
97 PR tree-optimization/27381
98 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
99 maintain the same immediate_use links.
100 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
101 node rather than segfaulting.
103 2006-05-03 Jakub Jelinek <jakub@redhat.com>
106 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
107 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
108 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
110 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
112 Fix PR tree-optimization/26626
113 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
115 * tree-ssa-operands.c (access_can_touch_variable): Allow
116 typecasting through union pointers.
118 2006-05-02 Jakub Jelinek <jakub@redhat.com>
121 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
122 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
123 to find if var will be a global variable even in the nested context.
124 (omp_copy_decl): Only check for global variable at the end, it might
125 be overridden in outer contexts.
126 (scan_sharing_clauses): For global variables don't create a field.
127 (lower_rec_input_clauses): Do nothing for global shared variables.
128 Emit a barrier at the end of ILIST if there were any decls in both
129 firstprivate and lastprivate clauses.
130 (lower_send_clauses): Do nothing for global variables except for
133 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
135 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
136 of the correct signedness is returned.
138 2006-05-02 Jeff Law <law@redhat.com>
140 PR tree-optimization/27364
141 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
142 multiply expressions.
144 2006-05-02 Tom Tromey <tromey@redhat.com>
146 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
148 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
151 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
152 -mthumb -fPIC are used.
154 2006-05-02 Joshua Kinard <kumba@gentoo.org>
157 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
158 with 64-bit pointers.
160 2006-05-02 Paul Brook <paul@codesourcery.com>
162 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
164 (create_fix_barrier): Check that a suitable barrier location is
166 (arm_reorg): Include ftmp->address in allowable range of addresses.
168 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
171 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
174 2006-05-02 Jakub Jelinek <jakub@redhat.com>
177 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
178 around RESULT_DECL for result passed by reference.
179 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
180 * omp-low.c (use_pointer_for_field): Don't look at
181 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
182 (scan_omp_1): Call remap_decl on RESULT_DECLs.
183 (lower_rec_input_clauses): Don't allocate VLA memory for the second
184 time or var for passing by reference for
185 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
186 TREE_ADDRESSABLE variables when passing by reference.
188 * omp-low.c (dump_omp_region): Fix output formatting.
191 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
192 (expand_omp_parallel): Likewise.
193 * tree-cfg.c (move_sese_region_to_fn): Likewise.
196 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
197 on statement list containing also constructors and destructors.
198 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
201 * except.c (duplicate_eh_regions): Fix clearing of
202 cfun->eh->region_array entries.
204 2006-05-01 DJ Delorie <dj@redhat.com>
206 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
208 (gcc_cv_objdump): Likewise.
209 * configure: Regenerated.
211 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
214 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
215 templates for case 3 and 4.
217 2006-05-01 DJ Delorie <dj@redhat.com>
219 * vec.c: Include bconfig.h when appropriate.
220 * Makefile.in (build/vec.o): Adjust dependencies.
221 * mkconfig.sh: Make sure config.h isn't used for build machine
224 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
226 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
228 (mark_phi_for_rewrite): New function.
229 (insert_phi_nodes_for, mark_use_interesting): Call
230 mark_phi_for_rewrite.
231 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
232 (update_ssa): Initialize and free phis_to_rewrite.
234 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
236 PR rtl-optimization/27291
237 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
238 folded to a constant.
240 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
242 PR tree-optimization/27283
243 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
244 not whole # of iteration descriptions.
245 (niter_for_exit): Return just # of iterations. Fail if # of iterations
246 uses abnormal ssa name.
247 (niter_for_single_dom_exit): Ditto.
248 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
249 return just the number of iterations.
251 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
253 PR tree-optimization/27144
254 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
255 (record_estimate): Only record constant upper bound.
256 (infer_loop_bounds_from_undefined): Call
257 compute_estimated_nb_iterations just once.
258 (proved_non_wrapping_p): Renamed to ...
259 (n_of_executions_at_most): ... this. Expect bound to be a constant.
260 (convert_step_widening, scev_probably_wraps_p): Call
261 n_of_executions_at_most instead of proved_non_wrapping_p.
262 (substitute_in_loop_info): Do not replace values in bounds.
263 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
266 2006-05-01 Richard Henderson <rth@redhat.com>
269 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
270 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
273 2006-05-01 Roger Sayle <roger@eyesopen.com>
275 * c-typeck.c (parser_build_binary_op): Don't call the function
276 unsigned_conversion_warning to spot operand/result type overflow.
277 (build_binary_op): Instead, call convert_and_check instead of
278 convert to report the problem when the operands are promoted.
279 * c-common.c (unsigned_conversion_warning): Make static.
280 * c-common.h (unsigned_conversion_warning): Delete prototype.
282 2006-05-01 Richard Guenther <rguenther@suse.de>
284 PR tree-optimization/26726
285 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
287 (find_interesting_uses_address): ... we work around here
288 by folding INDIRECT_REFs in the substituted base.
290 2006-05-01 Diego Novillo <dnovillo@redhat.com>
292 * omp-low.c (dump_omp_region): Add newlines.
294 2006-04-30 Roger Sayle <roger@eyesopen.com>
296 * common.opt (Woverflow): New command line option.
297 * c-common.c (constant_expression_warning): Check warn_overflow.
298 (overflow_waring): Pass OPT_Woverflow to warning.
299 (unsigned_conversion_warning): Likewise.
300 (convert_and_check): Likewise.
301 * doc/invoke.texi: Document new command line option.
303 2006-04-30 David Edelsohn <edelsohn@gnu.org>
305 * config/rs6000/rs6000.c (rs6000_override_options): Enable
306 TARGET_NO_FP_IN_TOC for section anchors.
307 (optimization_options): Enable section anchors for all
308 non-"Objective" languages.
310 2006-04-28 Eric Christopher <echristo@apple.com>
312 * config/darwin-c.c (darwin_ms_struct): Move this
313 (darwin_set_default_type_attributes): and this...
314 * config/darwin.c: ... here.
315 * config/darwin.h (darwin_ms_struct): Declare.
317 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
319 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
321 2006-04-28 Roger Sayle <roger@eyesopen.com>
324 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
325 (push_array_bounds): Delete prototype. Change BOUNDS argument to
326 an unsigned HOST_WIDE_INT.
327 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
329 (really_start_incremental_init): No need to call convert because
330 bitsize_zero_node is already of type bitsizetype.
331 (push_init_level): Extract the value of constructor_index as an
332 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
333 (process_init_element): Likewise.
335 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
337 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
338 value before passing to make_relative_prefix.
340 2006-04-28 Alan Modra <amodra@bigpond.net.au>
343 * builtins.c (expand_builtin_memset): Expand val in original mode.
345 2006-04-27 Eric Christopher <echristo@apple.com>
347 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
349 * config/darwin-c.c (darwin_ms_struct): New.
350 (darwin_pragma_ms_struct): Ditto.
351 (darwin_set_default_type_attributes): Ditto.
352 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
353 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
354 Register ms_struct pragma.
355 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
356 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
357 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
358 darwin_set_default_type_attributes if TARGET_MACHO.
360 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
362 PR tree-optimization/26854
363 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
364 * doc/tree-ssa.texi: Update immuse iterator documentation.
365 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
366 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
367 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
368 first_safe_imm_use, next_safe_imm_use): Remove.
369 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
370 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
371 (move_use_after_head): New. Helper function to sort immuses in a stmt.
372 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
373 (first_imm_use_stmt): New. Get first stmt in an immuse list.
374 (next_imm_use_stmt): New. Get next stmt in an immuse list.
375 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
376 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
377 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
378 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
379 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
380 (perfect_nestify): Use new iterator.
381 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
383 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
384 (next_imm_name): New field in struct immediate_use_iterator_d.
385 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
386 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
387 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
388 * tree-cfg.c (replace_uses_by): Use new iterator.
389 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
390 * tree-ssa-operands.c (correct_use_link): Remove.
391 (finalize_ssa_use_ops): No longer call correct_use_link.
393 2006-04-27 Stuart Hastings <stuart@apple.com>
395 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
396 * config/t-darwin (crt3.o): Use it.
397 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
398 'pmode', use Pmode instead of SImode for SYMBOL_REF.
399 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
400 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
401 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
404 2006-04-27 Roger Sayle <roger@eyesopen.com>
406 * expmed.c (store_fixed_bit_field): If we're not optimizing for
407 size, force the intermediate into a new pseudo rather instead of
408 performing both a bitwise AND and a bitwise IOR in memory.
410 2006-04-27 Richard Guenther <rguenther@suse.de>
412 PR rtl-optimization/26685
413 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
414 this one "max-flow-memory-locations".
416 2006-04-27 Richard Guenther <rguenther@suse.de>
418 PR tree-optimization/25148
419 * tree-vrp.c (compare_values): Remove code dealing with
420 comparisons against type min/max value. Honour overflow
421 and negative constants in code dealing with comparisons
422 of plus and minus expressions.
423 (value_inside_range): Use fold_binary with LE_EXPR and
424 GE_EXPR rather than compare_values.
426 2006-04-27 Dirk Mueller <dmueller@suse.de>
428 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
431 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
433 * basic-block.h (safe_insert_insn_on_edge): Removed.
434 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
437 2006-04-26 David Edelsohn <edelsohn@gnu.org>
438 Paolo Bonzini <bonzini@gnu.org>
441 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
442 (simplify_and_const_int): Same.
444 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
446 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
448 2006-04-26 Jakub Jelinek <jakub@redhat.com>
451 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
452 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
453 cgraph_global_info_ready.
456 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
459 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
460 either decl or init is error_mark_node.
463 * tree-flow.h (struct omp_region): Add sched_kind.
464 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
465 instead of extracting omp for data.
466 (expand_omp_for): Save extracted sched_kind.
468 2006-04-25 Roger Sayle <roger@eyesopen.com>
470 * expmed.c (store_bit_field): Also check whether the bitsize is
471 valid for the machine's "insv" instruction before moving the
472 target into a pseudo for use with the insv.
473 * config/i386/predicates.md (const8_operand): New predicate.
474 * config/i386/i386.md (extv, extzv, insv): Use the new
475 const8_operand predicate where appropriate.
477 2006-04-25 DJ Delorie <dj@redhat.com>
479 * doc/install.texi (Specific): Clarify that this is not a list of
480 supported hosts or targets.
482 2006-04-25 Richard Sandiford <richard@codesourcery.com>
484 PR rtl-optimization/26725
485 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
486 block's BB_DIRTY flag.
488 2006-04-25 Geoffrey Keating <geoffk@apple.com>
490 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
493 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
496 2006-04-25 David Edelsohn <edelsohn@gnu.org>
498 * varasm.c (align_variable): New function.
499 (get_block_for_decl): Apply align_variable to DECL before
500 calculating section information.
501 (assemble_variable): Split out alignment computation.
503 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
505 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
508 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
510 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
511 MODE_PARTIAL_INT mode.
512 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
513 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
515 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
516 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
518 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
520 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
522 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
523 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
524 MACFLAG_IH): Likewise.
525 (movstricthi_1): Renamed from "*movstricthi".
526 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
527 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
528 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
529 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
530 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
531 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
532 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
533 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
534 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
535 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
536 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
537 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
538 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
539 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
540 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
542 * doc/rtl.texi (ss_ashift): Improve wording.
544 2006-04-24 Geoffrey Keating <geoffk@apple.com>
546 * dwarf2out.c (verify_marks_clear): New.
547 (prune_unused_types): Call verify_marks_clear initially, not
550 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
552 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
553 * doc/rtl.texi: Document them.
554 * simplify-rtx.c (simplify_unary_operation,
555 simplify_binary_operation_1): Don't abort when we see them.
557 2006-04-24 Mark Mitchell <mark@codesourcery.com>
560 2006-04-23 Mark Mitchell <mark@codesourcery.com>
561 * configure.ac: Completely disregard languages that are not
563 * configure: Regenerated.
565 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
566 Richard Guenther <rguenther@suse.de>
568 PR tree-optimization/27236
569 * tree-inline.c (copy_body_r): Make sure to copy
570 TREE_THIS_VOLATILE flag.
572 2006-04-24 Richard Guenther <rguenther@suse.de>
575 * tree-complex.c (update_parameter_components): Don't handle
576 unused parameters which have no default def.
578 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
579 Richard Guenther <rguenther@suse.de>
581 PR tree-optimization/27218
582 * tree-inline.c (expand_call_inline): Strip useless type
583 conversions for the return slot address.
585 2006-04-24 Richard Guenther <rguenther@suse.de>
587 * cfgloop.h (struct loops): Remove unused field array. Reorder
589 (LOOP_PREFETCH): Remove.
591 2006-04-24 Richard Guenther <rguenther@suse.de>
593 PR tree-optimization/22525
594 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
595 variable, adjust types of generated expressions.
597 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
599 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
600 (tree-vect-patterns.o): Likewise.
602 (cselib.o): Likewise.
603 (loop-doloop.o): Likewise.
604 (regclass.o): Likewise.
605 (reload1.o): Likewise.
606 (explow.o): Replace target.h with $(TARGET_H).
607 (ipa-prop.o): Likewise.
608 (ipa-cp.o): Likewise.
609 (ipa-inline.o): Likewise.
611 (reg-stack.o): Likewise.
613 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
615 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
617 2006-04-23 Mark Mitchell <mark@codesourcery.com>
619 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
621 * configure.ac: Completely disregard languages that are not
623 * configure: Regenerated.
626 * c-common.h (c_build_bitfield_integer_type): Declare.
627 * c-decl.c (c_build_bitfield_integer_type): Move to ...
628 * c-common.c (c_build_bitfield_integer_type): ... here.
630 2006-04-23 Roger Sayle <roger@eyesopen.com>
633 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
634 a SImode SUBREG of a floating point register after no_new_pseudos.
636 2006-04-23 Roger Sayle <roger@eyesopen.com>
638 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
639 identify potentially eliminable registers to additionally catch
640 VIRTUAL_INCOMING_ARGS_REGNUM.
641 (addsi3): Update the conditions on when to use addsi_small_int.
643 2006-04-23 Roger Sayle <roger@eyesopen.com>
646 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
647 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
648 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
650 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
652 * fold-const.c (range_predecessor): Use operand_equal_p
653 as the predicate for equality.
654 (range_successor): Likewise.
656 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
659 * config/soft-fp/op-common.h: Fix a typo.
661 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
664 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
665 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
667 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
669 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
671 * doc/tm.texi: Fix a typo.
673 2006-04-21 Geoffrey Keating <geoffk@apple.com>
675 * dwarf2out.c (struct die_struct): Document that die_sib makes
676 a circular linked list.
677 (FOR_EACH_CHILD): New.
678 (reverse_die_lists): Delete.
679 (reverse_all_dies): Delete.
680 (add_dwarf_attr): Correct documentation.
681 (remove_child_with_prev): New.
682 (remove_child_TAG): Update for change to die_struct, use
683 remove_child_with_prev.
684 (add_child_die): Update for change to die_struct.
685 (splice_child_die): Use remove_child_with_prev and add_child_die.
686 (print_die): Use FOR_EACH_CHILD.
687 (die_checksum): Likewise.
688 (assign_symbol_names): Likewise.
689 (output_location_lists): Likewise.
690 (build_abbrev_table): Likewise.
691 (calc_die_sizes): Likewise.
692 (mark_dies): Likewise.
693 (unmark_dies): Likewise.
694 (unmark_all_dies): Likewise.
695 (output_die): Likewise.
696 (prune_unused_types_mark): Likewise.
697 (prune_unused_types_walk): Likewise.
698 (same_die_p): Update for change to die_struct.
699 (break_out_includes): Likewise.
700 (prune_unused_types_prune): Likewise.
701 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
702 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
704 (dwarf2out_finish): Don't call reverse_all_dies.
706 2006-04-21 Eric Christopher <echristo@apple.com>
708 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
709 in comments and function names.
711 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
714 * c-typeck.c (digest_init): Robustify.
716 * c-typeck.c (pop_init_level): Simplify.
718 2006-04-21 Steve Ellcey <sje@cup.hp.com>
720 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
722 2006-04-21 Paul Brook <paul@codesourcery.com>
724 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
725 hardware floating point.
727 2006-04-21 David Edelsohn <edelsohn@gnu.org>
729 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
732 2006-04-21 Nick Clifton <nickc@redhat.com>
734 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
737 2006-04-21 Alan Modra <amodra@bigpond.net.au>
740 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
741 C++ lang type in traceback table for Objective-C++.
743 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
745 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
747 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
749 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
752 * tree-mudflap.c (mudflap_finish_file): Skip function when there
753 were errors. Remove check for erroneous objects.
755 2006-04-20 Jeff Law <law@redhat.com>
757 PR tree-optimization/26854
758 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
759 checking for zero or one use.
760 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
761 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
762 * tree-ssa-reassoc.c (negate_value): Similarly.
763 (reassociate_bb): Similarly.
765 2006-04-20 Jakub Jelinek <jakub@redhat.com>
767 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
768 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
769 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
771 2006-04-20 Alan Modra <amodra@bigpond.net.au>
773 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
774 fp regs if the last fp arg doesn't fit in regs.
776 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
779 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
780 that the last insn has the REG_INC note.
782 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
783 Nathan Sidwell <nathan@codesourcery.com>
786 * stor-layout.c (update_alignment_for_field): Do not align
788 (place_union_field): Place union field at the start of the union.
789 (place_field): Move ERROR_MARK check later, and use the current
790 allocation position to maintain monotonicity.
792 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
794 * dominance.c: Include timevar.h.
795 (calculate_dominance_info): Use TV_DOMINANCE.
796 * timevar.def (TV_DOMINANCE): New timevar.
797 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
799 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
801 PR rtl-optimization/14261
802 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
803 move would be an INSV insn.
804 (noce_process_if_block): Don't optimize if the destination is a
805 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
807 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
809 * config/s390/s390.md: Add comments with the instructions emitted
810 by an insn pattern if macros are used.
812 2006-04-19 Alan Modra <amodra@bigpond.net.au>
814 PR rtl-optimization/26026
815 * fold-const.c (fold_binary): Optimize div and mod where the divisor
816 is a known power of two shifted left a variable amount.
818 2006-04-18 Geoffrey Keating <geoffk@apple.com>
820 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
821 to hash table twice when the debug_str section has SECTION_MERGE.
823 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
825 * config/soft-fp: New directory. From glibc.
826 * config/soft-fp/t-softfp: New.
827 * config/soft-fp/README: New.
828 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
829 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
830 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
831 (LIBGCC_DEPS): Add $(SFP_MACHINE).
832 * config.gcc: Use rs6000/t-fprules-fpbit or
833 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
835 * config/rs6000/sfp-machine.h: New. Based on glibc.
836 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
838 * config/rs6000/t-fprules: Remove fp-bit rules.
839 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
840 * config/rs6000/t-linux64: Likewise. Remove duplicates from
841 LIB2FUNCS_EXTRA. Remove fp-bit rules.
842 (softfp_wrap_start, softfp_wrap_end): New.
844 2006-04-18 DJ Delorie <dj@redhat.com>
846 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
848 2006-04-18 Devang Patel <dpatel@apple.com>
850 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
852 2006-04-18 Nick Clifton <nickc@redhat.com>
854 * config/sh/t-symbian: Add rule to build sh-c.o
855 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
856 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
857 (sh_symbian_encode_section_info): Likewise.
859 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
861 * builtins.c (expand_builtin_strcmp): Cover label definition of
862 do_libcall with HAVE_cmpstrnsi.
864 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
866 * function.c (temp_slots_at_level, max_slot_level): Use VEC
868 * function.h (temp_slot_p): New.
869 (function): Change the type of x_used_temp_slots to
870 VEC(temp_slot_p,gc) *.
872 2006-04-18 Nick Clifton <nickc@redhat.com>
874 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
875 flag_strength_reduce.
877 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
879 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
883 Partial revert of revision 112637
884 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
885 Dale Johannesen <dalej@apple.com>
888 * regclass.c (struct reg_pref): Update documentation.
889 (regclass): Set prefclass to NO_REGS if memory is the best option.
890 (record_reg_classes): Cope with a prefclass set to NO_REGS.
892 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
894 PR tree-optimization/26821
895 * tree-ssa-math-opts.c (get_constant_one): New.
896 (insert_reciprocals): Use it.
898 2006-04-17 Geoffrey Keating <geoffk@apple.com>
900 * dwarf2out.c (free_AT): Delete.
901 (remove_AT): Update string ref counts.
902 (remove_child_TAG): Don't call free_die.
904 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
906 (prune_unused_types_walk_attribs): Reset string refcounts.
907 (prune_unused_types_update_strings): New.
908 (prune_unused_types_prune): Don't make unnecessary stores. Don't
909 call free_die. Do call prune_unused_types_update_strings.
910 (prune_unused_types): Empty debug_str_hash.
912 2006-04-17 Roger Sayle <roger@eyesopen.com>
914 * expr.c (expand_assignment): Optimize away no-op moves where the
915 source and destination are equal and have no side-effects.
917 2006-04-17 Richard Guenther <rguenther@suse.de>
920 * reload.c (push_reload): Guard calls to get_secondary_mem
923 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
925 * alias.c (reg_base_value, old_reg_base_value): Change the
926 type to VEC(rtx,gc) *.
927 (REG_BASE_VALUE, find_base_value, record_set,
928 init_alias_analysis): Use VEC instead of VARRAY.
930 * alias.c (alias_sets): Change the type to
931 VEC(alias_set_entry,gc) *.
932 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
933 VEC instead of VARRAY.
934 (last_alias_set): Remove.
936 * cgraph.h (cgraph_edge_p): New.
937 Update the prototype of cgraph_function_versioning.
938 * cgraphunit.c (cgraph_copy_node_for_versioning,
939 cgraph_function_versioning): Use VEC instead of VARRAY.
940 * ipa-cp.c (ipcp_insert_stage): Likewise.
942 2006-04-16 Roger Sayle <roger@eyesopen.com>
945 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
946 "A op B" or "A op C", we may need to convert A to the type of B and C.
948 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
950 * target.h (struct gcc_target): Add mode_rep_extended.
951 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
952 (init_num_sign_bit_copies_in_rep): Initialize it using
954 (truncate_to_mode): Use it.
955 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
956 * targhooks.h (default_mode_rep_extended): Declare it.
957 * targhooks.c (default_mode_rep_extended): Define it.
958 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
959 default_mode_rep_extended.
960 (TARGET_INITIALIZER): Include it.
961 * doc/tm.texi (Misc): Document it.
962 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
963 (mips_truncated_to_mode): New function.
965 2006-04-16 Roger Sayle <roger@eyesopen.com>
968 * expr.c (compress_float_constant): Copy the narrow constant into
969 a new pseudo before extending it to its final width.
971 2006-04-16 Roger Sayle <roger@eyesopen.com>
972 Andrew Pinski <pinskia@gcc.gnu.org>
973 Dale Johannesen <dalej@apple.com>
976 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
977 special case code to implement V8HImode and V16QImode with SSE2.
979 2006-04-15 Roger Sayle <roger@eyesopen.com>
981 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
982 trees are constructed with a suitable tree type.
984 2006-04-15 Roger Sayle <roger@eyesopen.com>
986 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
987 (integer_onep): Likewise.
988 (integer_all_onesp): Likewise.
989 (integer_pow2p): Likewise.
990 (integer_nonzerop): Likewise.
991 (real_zerop): Likewise.
992 (real_onep): Likewise.
993 (real_twop): Likewise.
994 (real_minus_onep): Likewise.
995 (int_size_in_bytes): Likewise.
996 (host_integerp): Likewise.
998 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1000 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1001 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1002 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1004 * tree-ssa-structalias.h (alias_info): Remove num_references.
1006 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1008 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1009 (output_bvb patterns): Likewise.
1010 * pa.c (output_bb): Use 'bb' insn for long branch case.
1011 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1012 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1013 1. Correct length operand for alternatives 1 and 2.
1014 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1015 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1017 2006-04-14 Roger Sayle <roger@eyesopen.com>
1019 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1020 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1021 were accidentally reverted by r112959.
1023 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1026 * except.h (eh_region_outermost): New prototype.
1027 * except.c (eh_region_outermost): New function.
1028 * tree-cfg.c (find_outermost_region_in_block): Use it.
1030 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1032 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1034 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1035 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1036 (init_reload, reload): Use VEC instead of VARRAY.
1037 * reload.h: Update the prototype for
1038 reg_equiv_memory_loc_varray.
1040 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1041 Eric Botcazou <ebotcazou@libertysurf.fr>
1043 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1046 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1049 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1050 to expand fallback builtin function call.
1052 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1055 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1056 and emit libcall here in case the builtin fails.
1057 (expand_builtin_strcmp): Always emit the libcall here on failure.
1059 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1061 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1062 * flow.c (reg_n_info): Change the type to
1063 VEC(reg_info_p,heap) *.
1064 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1066 * regs.h (reg_info_p): New.
1067 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1068 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1069 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1072 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1074 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1076 * params.h (MAX_SCHED_READY_INSNS): New macro.
1077 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1078 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1079 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1080 the ready list for 1 cycle during the first scheduling pass.
1081 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1083 2006-04-13 Richard Henderson <rth@redhat.com>
1086 * gimple-low.c (lower_omp_directive): Remove dead code.
1087 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1088 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1089 * omp-low.c (struct omp_region): Move to tree-flow.h.
1090 (root_omp_region): Export.
1091 (omp_regions, lookup_omp_region): Remove.
1092 (determine_parallel_type): Update for struct omp_region changes.
1093 (dump_omp_region): Dump regions with block numbers.
1094 (new_omp_region): Take type and block instead of stmt; malloc
1096 (free_omp_region_1, free_omp_regions): New.
1097 (expand_parallel_call): Take entry_stmt as argument; update for
1098 changes to omp_region.
1099 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1100 (remove_exit_barriers): New.
1101 (expand_omp_parallel): Update for struct omp_region changes.
1102 (expand_omp_synch): Likewise.
1103 (expand_omp): Likewise.
1104 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1105 (expand_omp_for_static_chunk): Likewise.
1106 (expand_omp_for): Likewise.
1107 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1108 (expand_omp_sections): Similarly, with GOMP_sections_end.
1109 (expand_omp_single): New.
1110 (build_omp_regions_1): Update for OMP_CONTINUE.
1111 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1112 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1113 OMP_SECTIONS_SECTIONS.
1114 (lower_omp_single_simple): Don't emit barrier here.
1115 (lower_omp_single_copy): Likewise.
1116 (lower_omp_single): Fix bindings, and lower to straightline now.
1117 (lower_omp_master, lower_omp_ordered): Likewise.
1118 (lower_omp_critical): Likewise.
1119 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1120 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1121 omp edges, free it afterward.
1122 (make_omp_sections_edges): Remove.
1123 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1124 (move_stmt_r): Handle OMP_CONTINUE.
1125 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1126 statement pointers to basic blocks. Add type member.
1127 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1128 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1129 * tree-inline.c (estimate_num_insns_1): Likewise.
1130 * tree-pretty-print.c (dump_generic_node): Likewise.
1131 * tree-ssa-operands.c (get_expr_operands): Likewise.
1132 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1133 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1134 (OMP_CONTINUE): New.
1135 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1136 (OMP_SECTIONS_SECTIONS): Remove.
1137 (OMP_SECTION_LAST): New.
1138 (OMP_RETURN_NOWAIT): New.
1140 2006-04-13 Roger Sayle <roger@eyesopen.com>
1142 * fold-const.c (native_encode_vector, native_interpret_real):
1143 Correct obvious mistakes in the previous check-in.
1145 2006-04-13 Roger Sayle <roger@eyesopen.com>
1147 * fold-const.c (native_encode_expr): New function to encode
1148 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1149 or VECTOR_CST into a specified buffer.
1150 (native_encode_int): New function.
1151 (native_encode_real): New function.
1152 (native_encode_complex): New function.
1153 (native_encode_vector): New function.
1154 (native_interpret_expr): Inverse of native_encode_expr to convert
1155 a target representation into an INTEGER_CST, REAL_CST etc...
1156 (native_interpret_int): New function.
1157 (native_interpret_real): New function.
1158 (native_interpret_complex): New function.
1159 (native_interpret_vector): New function.
1160 (fold_view_convert_expr): New function to constant fold/evaluate
1161 a VIEW_CONVERT_EXPR of a suitable constant expression.
1162 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1163 Change call of build1 to fold_build1 when constructing a
1166 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1167 Ulrich Weigand <uweigand@de.ibm.com>
1170 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1173 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1176 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1177 optimize to lo_sum for DFmode if !TARGET_FPRS.
1179 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1181 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1182 delete_alias_info, compute_flow_sensitive_aliasing,
1183 group_aliases): Use VEC instead of VARRAY.
1184 * tree-ssa-structalias.c (update_alias_info): Likewise.
1185 * tree-ssa-structalias.h (alias_info): Change the type of
1186 processed_ptrs to VEC(tree,heap) *.
1188 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1191 * config/sh/lib1funcs.h: New file, broken out of:
1192 * config/sh/lib1funcs.asm.
1193 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1195 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1196 * config/sh/lib1funcs-Os-4-200.asm: New file.
1197 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1198 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1199 (EXTRA_MULTILIB_PARTS): Include it.
1200 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1201 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1202 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1203 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1206 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1208 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1209 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1210 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1212 * tree-ssa-live.h: Include vecprim.h.
1213 (tree_partition_associator_d): Change the type of
1214 first_partition to VEC(int,heap) *.
1215 (tpa_first_partition): Use VEC instead of VARRAY.
1217 * Makefile.in (GTFILES): Move functions.h after tree.h.
1218 * function.c (reset_block_changes, record_block_change,
1219 check_block_change, free_block_changes): Use VEC instead of
1221 * function.h (function): Change the type of
1222 ib_boundaries_block to VEC(tree,gc) *.
1223 * tree-inline.c (copy_cfg_body): Initialize
1224 ib_boundaries_block to NULL instead of (varray_type) 0.
1226 2006-04-12 Roger Sayle <roger@eyesopen.com>
1228 * expr.c (emit_group_store): Correct operand order in call to
1229 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1230 a SUBREG_BYTE of zero.
1232 2006-04-12 Richard Guenther <rguenther@suse.de>
1234 * profile.c (compute_branch_probabilities): Remove code
1235 encapsulated in !ir_type (), which are remanents of the
1236 removed RTL profiling code.
1237 * rtl-profile.c: Remove.
1239 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1241 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1242 magic NULL_RTX comment.
1243 (function_arg): Store entire fp arg to mem if any part should go
1245 (rs6000_arg_partial_bytes): Adjust for above change.
1247 2006-04-11 Roger Sayle <roger@eyesopen.com>
1249 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1250 if it hasn't been initialized by dwarf2out_init.
1252 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1254 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1255 symbolic constants in branch patterns.
1257 2006-04-11 Roger Sayle <roger@eyesopen.com>
1259 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1261 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1263 PR rtl-optimization/27073
1264 * gcse.c (try_replace_reg): Revert last change. Continue to search
1265 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1268 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1270 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1271 aggregate types other than record and union types.
1272 (function_arg): Likewise.
1273 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1275 (function_value): In 64-bit mode, return objects that require it
1278 2006-04-11 Roger Sayle <roger@eyesopen.com>
1280 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1282 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1284 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1286 2006-04-03 Jeff Law <law@redhat.com>
1289 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1290 alias information too.
1292 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1294 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1296 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1299 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1300 (premark_used_types_helper): New.
1301 (premark_used_types): New.
1302 (gen_subprogram_die): Call premark_used_types.
1303 (prune_unused_types_walk): Do not prune perennial dies.
1304 * function.c (used_types_insert): New.
1305 * function.h (struct function): Add used_types_hash field.
1306 (used_types_insert): Add prototype.
1307 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1308 * c-parser.c (c_parser_cast_expression): Save casted types in used
1311 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1314 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1315 rs6000_explicit_options.float_gprs.
1317 2006-04-10 Roger Sayle <roger@eyesopen.com>
1319 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1320 from ix86_expand_vector_init_low_nonzero. Take an additional
1321 one_var argument indicating which element is non-zero. Support
1322 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1323 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1324 with one_var instead of ix86_expand_vector_init_low_nonzero.
1326 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1328 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1329 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1330 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1331 build/genextract.o): Depend on vecprim.h.
1332 * cfglayout.c, df-problems.c, function.c, genextract.c,
1333 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1334 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1338 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1340 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1341 Declare VECs of this type.
1342 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1343 (remove_children): Delete.
1344 (add_dwarf_attr): Use VEC routines.
1345 (add_AT_flag): Update for changes to add_dwarf_attr.
1346 (add_AT_int): Likewise.
1347 (add_AT_unsigned): Likewise.
1348 (add_AT_long_long): Likewise.
1349 (add_AT_vec): Likewise.
1350 (add_AT_string): Likewise.
1351 (add_AT_die_ref): Likewise.
1352 (add_AT_fde_ref): Likewise.
1353 (add_AT_loc): Likewise.
1354 (add_AT_loc_list): Likewise.
1355 (add_AT_addr): Likewise.
1356 (add_AT_lbl_id): Likewise.
1357 (add_AT_lineptr): Likewise.
1358 (add_AT_macptr): Likewise.
1359 (add_AT_offset): Likewise.
1360 (add_AT_range_list): Likewise.
1361 (get_AT): Use VEC_iterate.
1362 (remove_AT): Use VEC_ordered_remove.
1363 (free_die): Fold remove_children into here; have it use VEC_iterate.
1364 (print_die): Use VEC_iterate on attrs.
1365 (reverse_die_lists): Don't reverse attr lists.
1366 (die_checksum): Use VEC_iterate on attrs.
1367 (same_die_p): Likewise.
1368 (output_location_lists): Likewise.
1369 (build_abbrev_table): Likewise.
1370 (size_of_die): Likewise.
1371 (unmark_all_dies): Likewise.
1372 (output_abbrev_section): Likewise.
1373 (output_die): Likewise.
1374 (prune_unused_types_walk_attribs): Likewise.
1376 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1378 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1380 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1383 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1385 2006-04-09 Roger Sayle <roger@eyesopen.com>
1387 * expr.c (store_constructor): Don't bother clearing target if
1388 we're about to assign a vector to it using vec_init_optab.
1390 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1392 * tree-ssa-alias.c (lhs_may_store_to): New function.
1393 (recalculate_used_alone): Handle LHS of calls.
1395 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1399 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1400 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1401 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1402 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1403 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1404 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1405 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1406 stubs. Add ".align 8" directives before all ".dword" directives.
1407 (GTHREAD_USE_WEAK): Revise comment.
1408 (TARGET_ATTRIBUTE_WEAK): Define.
1409 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1410 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1411 * stublib.c: New file.
1416 * pa.md (cbranch patterns): Revise arguments used in calls to
1417 output_cbranch, output_bb and output_bvd. Add long branch length
1419 (fbranch patterns): Handle long branches.
1420 (jump): Revise length check. Revise arguments for output_lbranch call.
1421 Add long branch length attributes.
1422 (decrement_and_branch_until_zero): Add long branch length attributes.
1423 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1424 Likewise. Revise arguments for output_parallel_addb and
1425 output_parallel_movb calls.
1426 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1427 output_parallel_movb and output_parallel_addb): Update prototypes.
1428 * pa.c (output_cbranch): Revise arguments. Correct handling of
1429 nullification in long branches.
1430 (output_lbranch): Add new argument to control extraction of delay
1432 (output_bb): Handle long branches.
1433 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1434 output_parallel_addb): Likewise.
1436 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1438 PR rtl-optimization/27073
1439 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1442 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1444 * tree.h (tree_memory_tag): Add old_used_alone.
1445 (SMT_OLD_USED_ALONE): New macro.
1446 * tree-ssa-alias.c (recalculate_used_alone): Stop
1447 marking things for renaming unnecessarily.
1449 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1451 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1452 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1453 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1454 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1455 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1456 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1457 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1458 spelling convensions.
1459 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1460 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1461 typos. Follow spelling conventions.
1463 2006-04-07 DJ Delorie <dj@redhat.com>
1465 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1466 passed on the stack.
1467 (m32c_init_cumulative_args): When a function returns a structure,
1468 always pass the pointer to that return area on the stack.
1469 (m32c_function_arg_advance): Don't increment the parameter number
1470 if we're processing the returned structure pointer.
1471 (pushm_info): Reverse order of registers.
1473 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1475 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1476 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1477 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1478 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1480 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1481 chrec_fold_multiply): Same.
1482 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1483 force_expr_to_var_cost): Same.
1484 * tree-mudflap.c (mf_xform_derefs_1): Same.
1485 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1487 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1489 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1490 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1493 2006-04-07 Jan Hubicka <jh@suse.cz>
1495 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1497 2006-04-07 Richard Guenther <rguenther@suse.de>
1499 PR tree-optimization/26135
1500 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1501 loads for store copy-prop.
1502 (copy_prop_visit_stmt): Likewise.
1504 2006-04-05 Robert Millan <robertmh@gnu.org>
1506 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1507 being overriden in config/k*bsd-gnu.h.
1508 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1510 * gcc/config/knetbsd-gnu.h: Ditto.
1512 2006-04-06 Jan Hubicka <jh@suse.cz>
1516 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1519 2006-04-06 Mike Stump <mrs@apple.com>
1521 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1522 for HAVE_nonlocal_goto to be consistent.
1523 (expand_builtin_nonlocal_goto): Likewise.
1524 (expand_builtin_strcmp): Use #ifdef instead of #if
1525 for HAVE_cmpstrnsi to be consistent.
1527 2006-04-05 DJ Delorie <dj@redhat.com>
1529 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1532 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1534 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1535 got-relative addressing for anything but SImode.
1537 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1538 even if the calling function doesn't modify them.
1540 2006-04-05 Richard Guenther <rguenther@suse.de>
1542 PR tree-optimization/26919
1543 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1544 to cgraph_estimate_size_after_inlining.
1546 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1548 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1550 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1552 PR tree-optimization/26996
1553 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1554 VECTOR_TYPE variables.
1556 2006-04-05 Richard Guenther <rguenther@suse.de>
1558 PR tree-optimization/26763
1559 * fold-const.c (fold_comparison): Move folding of
1560 PTR + CST CMP PTR + CST ...
1561 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1563 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1565 * doc/install.texi (Prerequisites): Refine some wording on
1566 bootstrapping and ksh.
1567 Move the version numbers of DejaGnu here from the testing section
1568 and fix casing of names.
1569 Fix markup and clarify wording for autogen requirements.
1570 Refer to GCJ instead of just java.
1571 Refer to SVN instead of CVS.
1572 Describe diffutils as useful instead of necessary.
1573 (Downloading the source): Refer to SVN instead of CVS.
1574 Adjust a link to our web site accordingly.
1575 (Configuration): Fix casing of Bison.
1576 (Building): Refer to SVN instead of CVS.
1577 Fix a sentence on the use of Bison and remove duplicate (and
1578 incorrect) version number of Bison requirement.
1579 Remove one redundant list of packages needed for building.
1580 (Specific): Avoid reference to CVS.
1582 2006-04-04 Eric Christopher <echristo@apple.com>
1584 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1585 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1586 (rs6000_handle_struct_attribute): New.
1587 (rs6000_ms_bitfield_layout_p): Ditto.
1589 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1591 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1592 NULL for dso parameter to atexit_common.
1594 2006-04-04 Eric Christopher <echristo@apple.com>
1596 * config/i386/i386.c (machopic_output_stub): Output \t
1597 between instructions and operands.
1599 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1601 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1602 satisfies_constraint_[IL] to explicit tests on value.
1604 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1606 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1607 set_nb_iterations_in_loop): Use build_int_cst instead of
1609 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1610 build_int_cst instead of convert.
1612 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1614 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1615 new value 2 for incoming.
1616 * function.c (expand_function_start): Call struct_value_rtx
1618 * config/sparc/sparc.md: Comment updated_return.
1619 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1620 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1621 struct return if sparc_std_struct_return and incoming is 2.
1622 (print_operand): Do not adjust return if
1623 sparc_std_struct_return.
1625 2006-04-04 Roger Sayle <roger@eyesopen.com>
1627 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1628 convert in the middle-end.
1629 * expr.c (store_expr, store_constructor, get_inner_reference,
1630 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1632 * tree.c (build_range_type): Likewise.
1634 2006-04-04 Tom Tromey <tromey@redhat.com>
1636 * doc/install.texi (Prerequisites): Mention jar.
1638 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1640 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1643 2006-04-04 Matthias Klose <doko@debian.org>
1645 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1646 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1649 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1651 * doc/extend.texi (Function Attributes): Rewrite visibility
1652 attribute documentation.
1653 * doc/invoke.texi (C++ Dialect Options): Rewrite
1654 -fvisibility-inlines-hidden documentation to describe something
1655 entirely different, although in practise compatible.
1656 (Code Gen Options): Warn about system headers in -fvisibiltity=
1659 * doc/extend.texi (Other Builtins): Document that
1660 __builtin_nan is a compile-time constant only when its argument
1663 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1665 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1666 trying to remove TRUNCATE check if all bits outside the new mode
1667 are identical to the sign bit.
1669 2006-04-03 Jeff Law <law@redhat.com>
1671 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1672 and operand scanning in some common cases.
1674 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1675 Dale Johannesen <dalej@apple.com>
1678 * regclass.c (struct reg_pref): Update documentation.
1679 (regclass): Set prefclass to NO_REGS if memory is the best option.
1680 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1681 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1682 into account. For non-registers, equate an empty preferred
1683 reload class to a `!' in the constraint; move the if clause to
1684 do so after those that reject the insn.
1685 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1687 (find_dummy_reload): Likewise.
1688 * doc/tm.texi (Register Classes): Document what it means
1689 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1690 * config/i386/i386.c (ix86_preferred_reload_class): Force
1691 using SSE registers (and return NO_REGS for floating-point
1692 constants) if math is done with SSE.
1693 (ix86_preferred_output_reload_class): New.
1694 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1695 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1696 * config/i386/i386.md: Remove # register preferences.
1698 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1701 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1702 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1703 the type of nb_iter.
1704 (instantiate_parameters_1): Convert the operands before calling
1705 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1706 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1708 2006-04-02 Roger Sayle <roger@eyesopen.com>
1710 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1711 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1713 * dojump.c (do_jump): Likewise.
1714 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1715 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1716 gimplify_boolean_expr): Likewise.
1717 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1718 * varasm.c (array_size_for_constructor): Likewise.
1719 * tree-object-size.c (compute_object_offset): Likewise.
1721 2006-04-02 Roger Sayle <roger@eyesopen.com>
1724 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1725 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1727 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1729 PR tree-optimization/26939
1730 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1732 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1734 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1735 at_stmt. Convert the type of operands before calling
1736 build_polynomial_chrec.
1737 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1739 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1740 (instantiate_parameters_1): Convert the type of operands before calling
1741 build_polynomial_chrec.
1742 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1743 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1744 reset_evolution_in_loop): Insert asserts to check the types of the
1746 (chrec_type): Moved...
1747 (eq_evolutions_p): Use operand_equal_p.
1748 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1749 the types of the operands.
1750 (chrec_type): ...here.
1751 * tree-data-ref.c (create_data_ref): Convert the operands before
1752 calling chrec_replace_initial_condition.
1753 (same_access_functions, analyze_subscript_affine_affine,
1754 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1755 (compute_subscript_distance, analyze_ziv_subscript,
1756 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1757 analyze_miv_subscript): Convert the operands before calling
1758 chrec_fold_minus or chrec_fold_plus.
1760 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1762 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1763 the dependence_relations vector.
1764 (compute_data_dependences_for_loop): Adjust call to
1765 compute_all_dependences.
1767 2006-04-01 Roger Sayle <roger@eyesopen.com>
1768 Richard Henderson <rth@redhat.com>
1770 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1771 gimple_boolify on the condition before calling gimplify_expr.
1773 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1775 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1776 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1777 the frame size. Update to use the new macros.
1778 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1779 * config/xtensa/ieee754-df.S: Likewise.
1781 2006-03-31 Richard Henderson <rth@redhat.com>
1783 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1784 (make_edges): ... here. Control fallthru creation with a local
1785 variable. Do not play with fake edges.
1786 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1787 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1790 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1792 * dwarf2.h (DW64_CIE_ID): Define.
1793 * dwarf2out.c (DWARF_CIE_ID): Define.
1794 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1795 length header. Use DWARF_CIE_ID.
1796 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1797 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1799 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1801 * config/sh/linux-atomic.asm: New file.
1802 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1804 2006-03-31 DJ Delorie <dj@redhat.com>
1806 * config/m32c/cond.md: Set condition flags properly throughout.
1807 * config/m32c/minmax.md: Likewise.
1808 * config/m32c/prologue.md: Likewise.
1809 * config/m32c/bitops.md: Likewise.
1810 * config/m32c/muldiv.md: Likewise.
1811 * config/m32c/mov.md: Likewise.
1812 * config/m32c/addsub.md: Likewise.
1813 * config/m32c/m32c.md: Likewise.
1814 * config/m32c/jump.md: Likewise.
1815 * config/m32c/shift.md: Likewise.
1817 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1818 conditionally output the pattern for this.
1819 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1820 (m32c_compare_redundant): New.
1821 (m32c_output_compare): New.
1822 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1824 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1825 dest, not src. Allow other 4-byte modes.
1827 2006-03-30 Denis Chertykov <denisc@overta.ru>
1829 * doc/md.texi: Refer to avr/constraints.md instead of
1832 2006-03-30 Roger Sayle <roger@eyesopen.com>
1834 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1835 signed vs. unsigned comparison failures on some hosts.
1837 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1840 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1841 change to FLOAT_REGS.
1843 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1844 (rs6000_override_options): Use it.
1845 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1846 only for -mabi=spe/no-spe and -mabi=altivec.
1848 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1850 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1853 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1855 * Makefile.in: Rename docdir to gcc_docdir.
1857 2006-03-30 Roger Sayle <roger@eyesopen.com>
1860 * expr.c (emit_group_store): Optimize group stores into a pseudo
1861 register by using a paradoxical subreg to initialize the destination
1862 if the first or last member of the group specifies a "low part".
1864 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1867 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1868 * target.h (struct gcc_target.speculate_insn): Change type of the
1869 second parameter to 'int'.
1870 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1871 the second operand of the DEPS_LIST.
1872 (copy_DEPS_LIST_list): Update reference to the second operand of the
1874 * rtl.h (alloc_DEPS_LIST): Update signature.
1875 * sched-int.h (ds_t): Change typedef to 'int'.
1876 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1878 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1880 * haifa-sched.c (try_ready): Change condition to restore
1881 non-speculative pattern of the instruction.
1882 (process_insn_depend_be_in_spec): Code to keep probability of the
1883 speculative dependence non-decreasing.
1885 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1887 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1888 (single_move_for_movmem): ... this. Also change all uses.
1889 (bfin_expand_strmov): Renamed to...
1890 (bfin_expand_movmem): ... this. Also change all uses.
1891 * config/bfin/bfin.md (movstrsi): Renamed to...
1892 (movstrsi): ...this.
1894 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1896 PR tree-optimization/26830
1898 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1899 (copy_prop_visit_stmt): Remove write-only variable ann.
1900 (init_copy_prop): Check variable loop depth here. Do not simulate
1901 memory-tag and virtual operand PHIs except for store copy prop.
1903 2006-03-30 Richard Guenther <rguenther@suse.de>
1905 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1906 variants with double arguments.
1908 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1910 * genpreds.c (write_tm_constrs_h): Delete variable p.
1911 * genconditions.c (write_header): Add tm-constrs.h to included
1913 * genpeep.c (main): Add toplev.h to included headers.
1914 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1915 (build/genpeep.o): Add toplev.h dependency.
1916 * config/rs6000/constraints.md: Add "W" constraint.
1918 2006-03-29 Roger Sayle <roger@eyesopen.com>
1920 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1921 sizes by correctly testing whether the size fits a host integer.
1922 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1923 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1924 SImode range for the default sizetype and bitsizetype.
1926 2006-03-29 Roger Sayle <roger@eyesopen.com>
1928 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1929 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1930 quickly if the argument is already of the correct type.
1931 Call fold_build1 instead of build1. Tidy up blank lines.
1933 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1935 * genemit.c (main): Add tm-constrs.h to included headers.
1936 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1937 * genpeep.c (main): Add tm-constrs.h to included headers.
1938 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1939 (write_tm_constrs_h): this and write complete file.
1940 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1941 (write_insn_preds_c): Add tm-constrs.h to included headers.
1942 (gen_constrs): New variable.
1943 (parse_option): Parse "-c".
1944 (main): Invoke write_tm_constrs_h.
1945 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1946 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1947 (object_out_file): Add tm-constrs.h dependency.
1948 (insn-emit.o): Same.
1949 (insn-output.o): Same.
1950 (insn-peep.o): Same.
1951 (insn-preds.o): Same.
1952 (insn-recog.o): Same.
1953 (tm-constsr.h): New target.
1954 (s-constrs-h): New target.
1956 * config/rs6000/constraints.md: New file.
1957 * config/rs6000/rs6000.c: Include tm-constrs.h.
1958 (num_insn_constant_wide): Convert to satisfies_constraint.
1959 (rs6000_rtx_costs): Convert to satisfies_constraint.
1960 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1961 (CONST_OK_FOR_LETTER_P): Delete.
1962 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1963 (EXTRA_CONSTRAINT): Delete.
1964 (EXTRA_MEMORY_CONSTRAINT): Delete.
1965 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1966 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1967 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1968 satisfies_constraint.
1970 * config/i386/i386.c: Include tm-constrs.h.
1972 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1974 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1975 * tree-data-ref.c (find_data_references_in_loop,
1976 compute_data_dependences_for_loop): Use pointers to VEC.
1977 (analyze_all_data_dependences): Adjust calls.
1978 * tree-data-ref.h (find_data_references_in_loop,
1979 compute_data_dependences_for_loop): Adjust declarations.
1980 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1981 compute_data_dependences_for_loop.
1983 2006-03-29 Paul Brook <paul@codesourcery.com>
1985 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1988 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1990 PR tree-optimization/26859
1991 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1993 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1994 for the step after fold_convert.
1996 2006-03-29 Paul Brook <paul@codesourcery.com>
1998 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1999 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2001 2006-03-29 Paul Brook <paul@codesourcery.com>
2004 * targhooks.c (default_narrow_bitfield): New fuction.
2005 * targhooks.h (default_narrow_bitfield): add prototype.
2006 * target.h (gcc_target): Add narrow_volatile_bitfield.
2007 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2008 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2009 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2010 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2012 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2014 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2016 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2017 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2018 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2019 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2020 (s390_function_arg_float): Allow SDmode and DDmode values to be
2021 passed in floating point registers.
2022 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2023 check with SCALAR_FLOAT_MODE_P.
2024 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2026 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2028 PR tree-optimization/25985
2029 * tree-ssa-loop-niter.c (number_of_iterations_le,
2030 number_of_iterations_ne): Make comments more precise.
2031 (number_of_iterations_cond): Add only_exit argument. Use the
2032 fact that signed variables do not overflow only when only_exit
2034 (loop_only_exit_p): New.
2035 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2036 number_of_iterations_cond.
2038 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2040 PR tree-optimization/26643
2041 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2044 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2046 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2047 (divsi3_i4_int): Likewise.
2049 2006-03-28 Roger Sayle <roger@eyesopen.com>
2051 * expr.c (emit_group_store): Only create a new pseudo reg if the
2052 quantity it needs to hold isn't already a suitable pseudo.
2054 2006-03-28 Jeff Law <law@redhat.com>
2056 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2057 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2059 2006-03-28 Roger Sayle <roger@eyesopen.com>
2061 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2062 the equivalent ~X & Y, and the symmetry related transformations.
2063 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2064 ~X & Y, and symmetry related transforms.
2066 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2068 Revert my 2006-03-27 patches.
2070 2006-03-28 Roger Sayle <roger@eyesopen.com>
2072 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2073 ~(T1)X, when T1 and T2 are integer types of the same precision
2074 and (T2)X isn't an extension.
2076 2006-03-28 Jeff Law <law@redhat.com>
2078 PR tree-optimization/26796
2079 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2080 need EH edge cleanups rather than purging them immediately.
2081 (eliminate_degenerate_phis): Handle queued EH cleanups.
2083 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2085 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2088 2006-03-27 Roger Sayle <roger@eyesopen.com>
2091 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2092 cast BIT_NOT_EXPR operand to the correct type.
2094 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2096 * tree-loop-linear.c: Don't include varray.h.
2097 (gather_interchange_stats, try_interchange_loops,
2098 linear_transform_loops): Use VEC instead of VARRAY.
2099 * lambda-mat.c: Don't include varray.h.
2100 * tree-chrec.c: Same.
2101 * lambda-trans.c: Same.
2102 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2103 VEC instead of VARRAY.
2104 * tree-vectorizer.h: Idem.
2105 * tree-data-ref.c (dump_data_references,
2106 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2107 initialize_data_dependence_relation, finalize_ddr_dependent,
2108 compute_all_dependences, find_data_references_in_loop,
2109 compute_data_dependences_for_loop, analyze_all_data_dependences,
2110 free_dependence_relation, free_dependence_relations,
2111 free_data_refs): Idem.
2112 * tree-data-ref.h (data_reference_p, subscript_p): New.
2113 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2114 VEC instead of VARRAY.
2115 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2116 (find_data_references_in_loop, compute_data_dependences_for_loop,
2117 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2118 dump_data_dependence_relations, free_dependence_relations,
2119 free_data_refs): Adjust declaration.
2120 (lambda_transform_legal_p): Move declaration here...
2121 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2122 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2123 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2124 vect_analyze_data_refs): Use VEC instead of VARRAY.
2125 * lambda.h (lambda_transform_legal_p): ...from here.
2126 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2127 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2128 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2129 tree-chrec.o): Don't depend on VARRAY_H.
2131 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2133 * rtl.def (Copyright): Update date.
2134 (DEPS_LIST): Change type of the second operand to 'int'.
2135 * target.h (Copyright): Update date.
2136 (struct gcc_target.speculate_insn): Change type of the second parameter
2138 * lists.c (Copyright): Update date.
2139 (alloc_DEPS_LIST): Change signature. Update reference to the second
2140 operand of the DEPS_LIST.
2141 (copy_DEPS_LIST_list): Update reference to the second operand of the
2143 * rtl.h (Copyright): Update date.
2144 (alloc_DEPS_LIST): Update signature.
2145 * sched-int.h (Copyright): Update date.
2146 (ds_t): Change typedef to 'int'.
2147 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2149 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2151 * haifa-sched.c (Copyright): Update date.
2152 (try_ready): Change condition to restore non-speculative pattern
2154 (process_insn_depend_be_in_spec): Code to keep probability of the
2155 speculative dependence non-decreasing.
2157 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2159 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2160 shut up the compiler.
2162 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2164 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2165 to use lib prefix for target.
2166 ($(T)libic_invalidate_array_4-200.a): Likewise.
2167 ($(T)libic_invalidate_array_4a.a): Likewise.
2169 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2170 J"orn Rennecke <joern.rennecke@st.com>
2172 * superh.opt: New file.
2173 * sh.c (boardtype, osruntime): Remove.
2174 * superh.h (SUBTARGET_OPTIONS): Remove.
2175 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2177 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2178 arguments with ^ and/or [].
2180 * config.gcc (sh-*-*): Add quoting to account for quirk of
2182 Replace == with = in enable_incomplete_targets test.
2184 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2185 with MASK_LITTLE_ENDIAN.
2187 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2188 * config/sh/sh.opt: Added to some comments.
2189 * config/sh/superh.h: Removed some chaff.
2191 * config/sh/sh.opt: Add m4-[1234]00* options.
2192 * config/sh/sh.c (sh_handle_option): Likewise.
2193 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2194 (ic_invalidate_array_4-100.o): New rule.
2195 ($(T)libic_invalidate_array_4-100.a): Likewise.
2196 (ic_invalidate_array_4-200.o): Likewise.
2197 ($(T)libic_invalidate_array_4-200.a): Likewise.
2198 (ic_invalidate_array_4a.o): Likewise.
2199 ($(T)libic_invalidate_array_4a.a): Likewise.
2200 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2201 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2203 * config/sh/crt1.asm: Merged in profiling code.
2204 * config/sh/superh.h (STARTFILE_SPEC): Override.
2205 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2206 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2207 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2209 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2210 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2211 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2213 * sh.opt (mpretend-cmove): New option.
2214 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2215 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2216 (movsicc): Add TARGET_PRETEND_CMOVE code.
2218 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2220 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2221 s390_class_max_nregs): New function prototypes.
2222 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2223 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2224 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2225 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2227 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2229 * dwarf2out.c (add_location_or_const_value_attribute): Call
2230 tree_add_const_value_attribute if nothing else works.
2231 (reference_to_unused): New.
2232 (rtl_for_decl_init): Use reference_to_unused to decide whether
2233 to output an initializer.
2235 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2238 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2239 peephole removing spe frob_di_df_2.
2241 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2243 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2244 (subscript_dependence_tester_1): Declared.
2245 (print_dir_vectors, print_dist_vectors): New.
2246 (debug_data_dependence_relation): New.
2247 (dump_data_dependence_relation): Print more details.
2248 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2249 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2250 (save_dist_v, save_dir_v, add_outer_distances,
2251 build_classic_dist_vector_1): New.
2252 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2253 Don't test for lambda_vector_lexico_pos.
2254 (same_access_functions, add_multivariate_self_dist,
2255 add_other_self_distances, dir_from_dist): New.
2256 (build_classic_dir_vector): Replace implementation almost identical to
2257 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2259 (subscript_dependence_tester_1): New.
2260 (subscript_dependence_tester): Handle the lexicographically negative
2261 distance vectors by recomputing the dependence relation.
2262 (compute_affine_dependence): Remove parameter loop_nest_depth.
2263 (compute_self_dependence): Don't call compute_subscript_distance.
2264 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2265 Add a parameter for the loop_nest.
2266 (find_loop_nest_1, find_loop_nest): New.
2267 (compute_data_dependences_for_loop): Compute the loop nest, and give
2268 up if the nest is not well formed.
2269 * tree-data-ref.h (loop_p): New.
2270 (struct data_dependence_relation): Replace size_vect field with
2271 loop_nest, a vec of loops.
2272 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2273 (DDR_LOOP_NEST): New.
2274 (print_dir_vectors, print_dist_vectors,
2275 debug_data_dependence_relation): Declared.
2276 (index_in_loop_nest): New.
2277 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2278 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2281 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2283 * simplify-rtx.c (simplify_relational_operation): Call
2284 simplify_relational_operation_1 even if mode is VOIDmode.
2286 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2288 PR tree-optimization/26804
2289 * tree.h (DECL_CALL_CLOBBERED): New macro.
2290 (tree_decl_common): Add call_clobbered_flag.
2291 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2292 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2293 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2294 (mark_non_addressable): Ditto.
2295 * tree-ssa.c (verify_call_clobbered): New function.
2296 (verify_alias_info): Use it.
2297 * tree-pass.h (pass_reset_cc_flags): New prototype.
2298 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2299 (reset_cc_flags): New function.
2300 * passes.c (init_optimization_passes): Call reset_cc_flags after
2301 initializing referenced_vars.
2303 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2304 Roger Sayle <roger@eyesopen.com>
2307 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2308 to 1.0 for non-real operands. Implement A / A optimization for
2311 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2313 * config/i386/i386.c (size_cost): Correct the comment for
2314 cost of storing fp registers.
2315 (i386_cost): Likewise.
2316 (i486_cost): Likewise.
2317 (pentium_cost): Likewise.
2318 (pentiumpro_cost): Likewise.
2319 (k6_cost): Likewise.
2320 (athlon_cost): Likewise.
2321 (k8_cost): Likewise.
2322 (pentium4_cost): Likewise.
2323 (nocona_cost): Likewise.
2324 (generic64_cost): Likewise.
2325 (generic32_cost): Likewise.
2327 2006-03-24 Denis Chertykov <denisc@overta.ru>
2329 * config/avr/avr-protos.h (extra_constraint): Delete.
2330 (extra_constraint_Q): New declaration.
2331 * config/avr/constraints.md: New file.
2332 * config/avr/avr.md: Include it.
2333 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2334 (TMP_REGNO, ZERO_REGNO): Likewise.
2335 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2336 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2337 (extra_constraint): Delete.
2338 (extra_constraint_Q): Test for memory constraint 'Q'.
2339 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2340 (REG_CLASS_FROM_LETTER): Delete.
2341 (CONST_OK_FOR_LETTER_P): Delete.
2342 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2343 (EXTRA_CONSTRAINT): Delete.
2344 (TMP_REGNO): Delete.
2345 (ZERO_REGNO): Delete.
2347 2006-03-24 Jeff Law <law@redhat.com>
2349 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2350 directly. Call mark_new_vars_to_rename slightly earlier.
2352 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2354 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2356 (gen_compile_unit_die): Use new language types for Objective-C and
2358 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2359 DW_LANG_C_plus_plus.
2362 * config/t-darwin (crt3.o): Work around bug 26840.
2363 * config/darwin-crt3.c: Rewrite.
2364 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2366 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2368 * doc/invoke.texi: Document -femit-class-debug-always
2369 * common.opt: Add -femit-class-debug-always.
2371 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2373 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2374 index and base register.
2375 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2376 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2377 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2378 REGNO_OK_FOR_INDEX_P.
2379 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2381 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2382 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2383 REG_OK_FOR_BASE_P): Definitions removed.
2385 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2388 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2389 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2390 set yet or weren't marked as local yet.
2392 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2394 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2397 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2399 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2400 (rs6000_legitimate_small_data_p): Delete.
2401 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2402 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2403 and make static. Add forward declaration. Update uses.
2404 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2405 of offsettable_memref_p.
2406 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2407 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2409 2006-03-24 Jeff Law <law@redhat.com>
2411 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2412 around bug in immediate-use iterator.
2414 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2417 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2418 or __LITTLE_ENDIAN__.
2420 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2422 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2423 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2424 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2425 * config/sh/sh.opt (mdiv=): Amend description.
2426 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2427 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2428 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2429 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2430 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2431 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2432 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2433 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2434 TARGET_DIVIDE_CALL_FP.
2436 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2438 * haifa-sched.c (choose_ready): Fix type of the local variable.
2439 Move local variables. Add comment.
2440 (check_reg_live): Change signature. Make callable from debugger.
2441 * sched-int.h (check_reg_live): Update signature.
2442 * sched-ebb.c (check_reg_live): Update parameters.
2443 * sched-rgn.c (check_reg_live): Ditto.
2444 (region_head_or_leaf_p): Check pointer before dereferencing.
2445 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2446 before reload on optimization levels below 1.
2448 2006-03-23 Richard Henderson <rth@redhat.com>
2450 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2454 * config/alpha/predicates.md (local_symbolic_operand): Reject
2457 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2460 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2461 expressions which have overflowed constants.
2463 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2465 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2467 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2469 * cfgloopmanip.c (create_loop_notes): Removed.
2470 * final.c (final_scan_insn): Do not handle loop notes.
2471 * jump.c (squeeze_notes): Ditto.
2472 * cfglayout.c (skip_insns_after_block,
2473 duplicate_insn_chain): Ditto.
2474 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2476 * cfgloop.h (create_loop_notes): Declaration removed.
2478 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2480 * varasm.c (output_constant_pool): Restore fnname and fndecl
2482 (assemble_start_function): Adjust call accordingly.
2483 (assemble_end_function): Likewise.
2485 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2488 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2491 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2493 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2496 * system.h (ICE_EXIT_CODE): New macro.
2497 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2498 (diagnostic_action_after_output): Likewise.
2499 * gcc.c (fatal_ice): New function.
2500 (execute): Use it instead of fatal.
2501 (fancy_abort): Likewise.
2502 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2504 2006-03-22 Jeff Law <law@redhat.com>
2506 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2507 iv_analyze_result returning false.
2509 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2511 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2513 2006-03-22 Richard Henderson <rth@redhat.com>
2516 * except.c (duplicate_eh_regions_0): New.
2517 (duplicate_eh_region_1): Duplicate the children of the node as
2518 well as the node itself. Link them up properly.
2519 (duplicate_eh_region_2): Merge into ...
2520 (duplicate_eh_regions): ... here. Take copy_region argument, and
2521 copy only a sub-tree if asked. Simplify copying and fixup.
2522 (eh_region_outer_p): New.
2523 * except.h (duplicate_eh_regions): Update decl.
2524 (eh_region_outer_p): Declare.
2525 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2526 (lower_omp_master): Likewise.
2527 (lower_omp_ordered): Likewise.
2528 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2529 (move_stmt_r): Use it to remap labels. Handle recursion vs
2530 remap_decls_p properly.
2531 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2532 (find_outermost_region_in_block): New.
2533 (new_label_mapper): New.
2534 (move_sese_region_to_fn): Copy eh information to the new function
2536 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2538 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2541 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2543 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2544 into shared libraries.
2546 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2548 * doc/md.texi: Refer to i386/constraints.md instead of
2550 * config/i386/constraints.md: New file, extracted from...
2551 * config/i386/predicates.md: ...here.
2552 * config/i386/i386.md: Include constraints.md.
2554 2006-03-21 Jason Merrill <jason@redhat.com>
2556 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2559 * expr.c (init_block_move_fn): Force default visibility.
2560 (init_block_clear_fn): Likewise.
2561 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2562 * targhooks.c (default_external_stack_protect_fail): Likewise.
2564 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2566 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2567 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2568 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2569 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2570 (loadgp): Use mips_current_loadgp_style.
2571 (loadgp_noshared): New pattern.
2572 (sibcall_internal): Use MIPS_CALL.
2573 (sibcall_value_internal): Likewise.
2574 (sibcall_value_multiple_internal): Likewise.
2575 (call_internal): Likewise.
2576 (call_value_internal): Likewise.
2577 (call_value_multiple_internal): Likewise.
2578 (call_split): Use MIPS_CALL and add an 'S' constraint.
2579 (call_value_split): Likewise.
2580 (call_value_multiple_split): Likewise.
2581 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2582 (-mshared): New option.
2583 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2584 (mips_current_loadgp_style): Declare.
2585 * config/mips/mips.c (mips_classify_symbol): Avoid using
2586 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2587 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2588 TARGET_ABSOLUTE_ABICALLS.
2589 (override_options): Adjust comments. Improve the warning that is
2590 issued when -mabicalls and -G are used together.
2591 (mips_file_start): Remove comment.
2592 (mips_current_loadgp_style): New function.
2593 (mips_gnu_local_gp): New variable.
2594 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2596 (mips_output_function_prologue): Use mips_current_laodgp_style.
2597 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2598 the cprestore instruction.
2599 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2600 live for TARGET_ABSOLUTE_ABICALLS.
2601 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2602 (ASM_SPEC): Pass down -mshared and -mno-shared.
2603 (MIPS_CALL): New macro.
2604 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2606 * doc/invoke.texi (-mabicalls): Update documentation.
2607 (-mshared): Document.
2609 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2611 * config/ia64/unwind-hpux.c: New file.
2612 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2614 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2617 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2619 2006-03-21 Jeff Law <law@redhat.com>
2621 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2622 type conversions of a VR_VARYING source to a wider type.
2624 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2626 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2627 tm_file on Solaris 10 and later.
2628 (sparc64-*-solaris2*): Likewise.
2629 (sparc-*-solaris2*): Likewise.
2630 * config/sol26.h: Rename to config/sol2-6.h.
2631 * config/sol2-10.h: New file.
2633 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2636 * tree-ssa-pre.c (create_component_ref_by_pieces):
2639 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2642 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2643 return it immediately.
2645 2006-03-21 Michael Matz <matz@suse.de>
2647 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2649 (remove_arc, add_arc): Update num_out_arcs member.
2650 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2652 (cache_presence): New function.
2653 (compare_states_for_equiv): New function.
2654 (state_is_differed): Don't take number of outargs, adjust callers.
2655 Use new invariant for speeding up.
2656 (init_equiv_class): Create initial classes based on sorted
2658 (partition_equiv_class): Don't track out_arcs_num.
2659 (evaluate_equiv_classes): Call cache_presence on all states and
2662 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2664 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2665 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2666 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2667 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2669 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2670 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2671 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2672 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2673 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2675 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2676 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2677 (REGNO_REG_CLASS): ARGP is in PREGS.
2678 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2680 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2681 to deal with those addresses.
2682 * addresses.h: New file.
2683 * caller-save.c: Include "addresses.h".
2684 (init_caller_save): Use new base_reg_class function.
2685 * rtl-factoring.c: Include "addresses.h".
2686 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2687 * recog.c: Include "addresses.h".
2688 (preprocess_constraints): Use new base_reg_class function.
2689 * regrename.c: Include "addresses.h".
2690 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2691 functions. Keep track of a new var INDEX_CODE to compute valid
2693 (replace_oldest_value_addr): Likewise.
2694 (replace_oldest_value_mem): Use base_reg_class.
2695 * reload.c: Include "addresses.h".
2696 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2697 (find_reloads): Use new base_reg_class function.
2698 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2699 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2700 all callers and prototype changed.
2701 * reload1.c: Include "addresses.h".
2702 (maybe_fix_stack_asms): Use base_reg_class.
2703 * regclass.c: Include "addresses.h".
2704 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2705 (init_reg_autoinc): Use new base_reg_class function.
2706 (record_reg_classes): Likewise.
2707 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2708 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2709 Use new args to compute necessary class.
2711 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2712 regrename.o, rtl-factoring.o): Update dependencies.
2713 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2714 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2715 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2716 REG_OK_FOR_INDEX_P): Delete documentation.
2718 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2720 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2721 from V7 to V9 for Solaris 7 and above.
2723 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2725 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2726 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2727 argument pointers may not alias any other storage.
2728 * common.opt: Define option -fargument-noalias-anything.
2729 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2730 alias semantics is specified by flag_argument_noalias > 2.
2732 2006-03-20 Jeff Law <law@redhat.com>
2734 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2735 (pass_phi_only_cprop): Declare.
2736 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2738 * tree-ssa-dom.c (degenerate_phi_result): New function.
2739 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2740 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2741 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2742 (eliminate_degenerate_phis): Likewise.
2743 (pass_phi_only_cprop): New pass descriptor.
2744 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2745 support code. Callers updated.
2746 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2747 (store_copy_prop): Likewise.
2748 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2750 2006-03-20 Jason Merrill <jason@redhat.com>
2753 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2754 (push_visibility, pop_visibility): Likewise.
2755 * c-pragma.h: Declare them.
2757 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2759 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2761 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2762 parameter and use get_ebb_head_tail.
2763 (sh_md_init_global): Adjust uses of find_regmode_weight.
2765 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2767 * function.h (struct function) <x_tail_recursion_reentry>:
2768 Rename to x_stack_check_probe_note.
2769 (tail_recursion_reentry): Rename to stack_check_probe_note.
2770 * function.c: Replace tail_recursion_reentry with
2771 stack_check_probe_note everywhere.
2772 (expand_function_start): Only emit a note for
2773 stack_check_probe_note with -fstack-protect.
2774 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2776 * emit-rtl.c (remove_unnecessary_notes): Remove.
2777 (pass_remove_unnecessary_notes): Remove.
2778 * rtl.h (remove_unnecessary_notes): Remove prototype.
2779 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2780 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2781 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2783 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2786 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2787 (valid_in_set): Handle ARRAY_REF.
2788 Change "if min_variant or VH" to asserts.
2789 (create_component_ref_by_pieces): Handle ARRAY_REF.
2790 (create_expression_by_pieces): Likewise.
2791 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2793 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2795 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2796 is operand of switch, not str[0].
2798 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2800 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2801 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2803 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2805 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2806 end of insn_extra_address_constraint declaration.
2808 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2810 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2811 (no-sum-in-toc): Same.
2812 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2814 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2815 NO_FP_IN_TOC for -fPIC instead of mask.
2817 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2818 (BOOT_LDFLAGS): Delete.
2820 * config/rs6000/t-aix52: Same.
2822 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2823 (stmsi[345678]_power): New.
2825 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2827 * config/ia64/ia64.opt: Add empty line to end of file.
2829 2006-03-17 Richard Guenther <rguenther@suse.de>
2832 * builtins.c (get_pointer_alignment): For component style references
2833 adjust alignment to the component type alignment. Make sure
2834 to adjust alignment for component access of constants.
2836 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2838 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2841 2006-03-17 Paul Brook <paul@codesourcery.com>
2843 * doc/install.texi: Docuemnt --with-mode.
2844 * config.gcc: Add --with-mode for arm*-*-*.
2845 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2847 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2849 * sh.c (max_labelno_before_reorg): New variable.
2850 (sh_reorg): Initialize it.
2851 (find_barrier): Check max_labelno_before_reorg before using
2852 label_to_alignment. Take length of explicit alignment insns
2853 into account. When seeing a UNSPECV_CONST_END, return it.
2855 * sh.c (fixup_mova): Set mode of affected label to QImode.
2856 (untangle_mova): New function.
2857 (find_barrier): Use it. Check mode of label before decrementing
2859 (sh_reorg): Likewise.
2860 Set mode of all insns back to VOIDmode.
2862 * sh.c (MOVA_LABELREF): New macro.
2863 (mova_p, fixup_mova, sh_reorg): Use it.
2864 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2865 ADDR_DIFF_VEC matches mova.
2867 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2869 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2870 with ATTRIBUTE_UNUSED.
2872 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2874 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2875 pointer, instead of assuming it is possible to derive the
2876 correct args size from a call insn.
2878 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2880 * rtl.h (CONST_INT_P): Define.
2881 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2882 instead of GET_CODE(x) == CONST_INT.
2883 (vax_rtx_costs): Likewise.
2884 (vax_output_int_move): Likewise.
2885 (vax_output_int_add): Likewise.
2886 (legitimate_constant_address_p): Likewise.
2887 (index_term_p): Likewise.
2888 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2889 * config/vax/vax.md (and<mode>3): Likewise.
2890 (ashrsi3): Likewise.
2892 (movstricthi): Likewise.
2893 (movstrictqi): Likewise.
2894 (rotrsi3): Likewise.
2895 (five unnamed insns): Likewise.
2897 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2899 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2900 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2901 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2902 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2903 Pass to ASM_OUTPUT_DWARF_OFFSET.
2904 * dwarf2out.c (debug_frame_section): New.
2905 (output_call_frame_info): Use debug_frame_section. Pass it to
2906 dw2_asm_output_offset.
2907 (output_die): Pass appropriate section to dw2_asm_output_offset.
2908 (output_compilation_unit_header): Likewise.
2909 (output_pubnames): Likewise.
2910 (output_aranges): Likewise.
2911 (enum dw_val_class): Break dw_val_class_lbl_offset into
2912 dw_val_class_lineptr and dw_val_class_macptr.
2913 (add_AT_lbl_offset): Delete.
2914 (add_AT_lineptr): New.
2915 (add_AT_macptr): New.
2916 (AT_lbl): Expect a lineptr or macptr.
2917 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2918 (attr_checksum): Likewise.
2919 (same_dw_val_p): Likewise.
2920 (size_of_die): Likewise.
2921 (value_format): Likewise.
2922 (output_die): Likewise.
2923 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2925 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2926 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2927 * config/darwin-protos.h (darwin_file_start): New.
2928 (darwin_asm_output_dwarf_offset): New.
2929 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2930 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2932 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2933 if not EH section; simplify.
2934 (darwin_file_start): New.
2935 (darwin_asm_output_dwarf_offset): New.
2936 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2938 (DEBUG_INFO_SECTION): Likewise.
2939 (DEBUG_ABBREV_SECTION): Likewise.
2940 (DEBUG_ARANGES_SECTION): Likewise.
2941 (DEBUG_MACINFO_SECTION): Likewise.
2942 (DEBUG_LINE_SECTION): Likewise.
2943 (DEBUG_LOC_SECTION): Likewise.
2944 (DEBUG_PUBNAMES_SECTION): Likewise.
2945 (DEBUG_STR_SECTION): Likewise.
2946 (DEBUG_RANGES_SECTION): Likewise.
2947 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2948 (ASM_OUTPUT_DWARF_OFFSET): New.
2950 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2952 * config.gcc (tm_defines): Always add to previous value rather
2955 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2957 * config/mips/predicates.md (splittable_const_int_operand): New,
2958 split from move_operand.
2959 (splittable_symbolic_operand): New.
2960 (move_operand): Add commentary. Use splittable_const_int_operand.
2961 Inline mips_atomic_symbolic_constant_p.
2962 * config/mips/mips.md: Add combine splitters for handling moves
2963 of splittable_const_int_operands and splittable_symbolic_operands.
2964 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2965 (mips_split_symbol): Declare.
2966 (mips_move_integer): Declare.
2967 * config/mips/mips.c (mips_split_p): Make global.
2968 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2969 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2970 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2971 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2972 (mips_offset_within_object_p): Handle block symbols.
2973 (mips_atomic_symbolic_constant_p): Delete.
2974 (mips_cannot_force_const_mem): Return false for constants that
2975 mips_legitimize_move can handle.
2976 (mips_use_blocks_for_constant_p): New function.
2977 (mips_split_symbol): Make global.
2978 (mips_move_integer): Likewise. Add a temporary register argument.
2979 (mips_legitimize_const_move): Use splittable_const_int_operand and
2980 splittable_symbolic_operand.
2981 (mips_use_anchors_for_symbol_p): New function.
2982 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2983 (mips_split_p): Declare.
2985 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2987 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2988 (mips*-*-linux*): Likewise.
2990 2006-03-16 Roger Sayle <roger@eyesopen.com>
2991 Daniel Speyer <dspeyer@wam.umd.edu>
2994 * tree-dump.c (dump_real): New function.
2995 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2996 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2997 (tree-dump.o): Add $(REAL_H) to the dependencies.
2999 2006-03-16 Roger Sayle <roger@eyesopen.com>
3002 * real.c (real_from_string): If the mantissa is zero, don't bother
3003 parsing the exponent as the result should always be zero.
3005 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3007 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3009 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3011 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3012 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3013 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3014 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3015 ia64_sched_finish_global): New static functions to implement
3016 hooks from gcc_target.sched.
3017 (spec_check_no, max_uid, pending_data_specs): New static variables.
3018 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3019 ia64_spec_check_src_p): New static functions.
3020 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3021 (TARGET_SCHED_ADJUST_COST): Removed.
3022 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3023 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3024 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3025 TARGET_SCHED_GEN_CHECK,
3026 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3027 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3028 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3029 Fixed to handle speculation checks.
3030 (rtx_needs_barrier): Fixed to handle speculative loads and
3032 (ia64_variable_issue): Added code to count speculative loads and their
3034 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3036 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3038 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3040 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3041 (ia64_reorg): Reset stops_p to NULL after it is freed.
3042 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3043 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3044 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3046 (data_speculative, control_speculative, check_load): New attributes.
3047 (mov<mode>_advanced, mov<mode>_speculative,
3048 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3049 zero_extend<mode>di2_speculative,
3050 zero_extend<mode>di2_speculative_advanced): New patterns for
3051 data and control speculative loads.
3052 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3054 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3055 New pattern for data and control speculation checks.
3056 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3057 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3058 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3059 Auxiliary definitions for the patterns.
3060 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3061 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3063 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3065 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3066 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3067 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3068 New resource constraints.
3069 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3071 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3072 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3073 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3074 msched-in-control-spec, msched-ldc, msched-control-ldc,
3075 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3076 msched-prefer-non-control-spec-insns,
3077 msched-count-spec-in-critical-path): New flags to tune speculative
3079 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3080 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3081 msched-in-control-spec, msched-ldc, msched-control-ldc,
3082 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3083 msched-prefer-non-control-spec-insns,
3084 msched-count-spec-in-critical-path): Document new flags.
3086 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3088 * target.h (struct spec_info_def): New opaque declaration.
3089 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3090 speculate_insn, needs_block_p, gen_check,
3091 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3092 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3093 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3094 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3095 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3096 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3098 (TARGET_SCHED): Use new macros.
3099 * rtl.h (copy_DEPS_LIST_list): New prototype.
3100 * sched-int.h (struct sched_info): Change signature of new_ready field,
3101 adjust all initializations. New fields: add_remove_insn,
3102 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3103 region_head_or_leaf_p.
3104 (struct spec_info_def): New structure declaration.
3105 (spec_info_t): New typedef.
3106 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3107 recovery_block, orig_pat.
3108 (glat_start, glat_end): New variables declaraions.
3109 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3111 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3112 DETACH_LIFE_INFO, USE_GLAT.
3113 (enum SPEC_SCHED_FLAGS): New enumeration.
3114 (NOTE_NOTE_BB_P): New macro.
3115 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3116 attach_life_info, debug_spec_status, check_reg_live): New functions.
3117 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3118 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3120 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3121 * ddg.c (get_block_head_tail): Adjust all uses.
3122 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3123 (sms_sched_info): Initialize new fields.
3124 (contributes_to_priority): Removed.
3125 * haifa-sched.c (params.h): New include.
3126 (get_block_head_tail): Adjust all uses.
3127 (ISSUE_POINTS): New macro.
3128 (glat_start, glat_end): New global variables.
3129 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3130 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3131 old_last_basic_block, before_recovery, current_sched_info_var,
3132 rgn_n_insns, luid): New static variables.
3133 (insn_cost1): New function. Move logic from insn_cost to here.
3134 (find_insn_reg_weight1): New function. Move logic from
3135 find_insn_reg_weight to here.
3136 (reemit_notes, move_insn, max_issue): Change signature.
3137 (move_insn1): Removed.
3138 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3139 extend_bb): New static functions to support extension of scheduler's
3141 (generate_recovery_code, process_insn_depend_be_in_spec,
3142 begin_speculative_block, add_to_speculative_block,
3143 init_before_recovery, create_recovery_block, create_check_block_twin,
3144 fix_recovery_deps): New static functions to support
3145 generation of recovery code.
3146 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3147 restore_bb_notes, move_block_after_check, move_succs): New static
3148 functions to support ebb scheduling.
3149 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3150 functions to support handling of register live information.
3151 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3152 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3153 add_jump_dependencies): New static functions.
3154 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3155 consistancy checking.
3156 (debug_spec_status): New function to call from debugger.
3157 (priority): Added code to handle speculation checks.
3158 (rank_for_schedule): Added code to distinguish speculative instructions.
3159 (schedule_insn): Added code to handle speculation checks.
3160 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3161 Fixed to handle ebbs.
3162 (move_insn): Added code to handle ebb scheduling.
3163 (max_issue): Added code to use ISSUE_POINTS of instructions.
3164 (choose_ready): Added code to choose between speculative and
3165 non-speculative instructions.
3166 (schedule_block): Added code to handle ebb scheduling and scheduling of
3167 speculative instructions.
3168 (sched_init): Initialize new variables.
3169 (sched_finish): Free new variables. Print statistics.
3170 (try_ready): Added code to handle speculative instructions.
3171 * lists.c (copy_DEPS_LIST_list): New function.
3172 * sched-deps.c (extend_dependency_caches): New function. Move logic
3173 from create_dependency_caches to here.
3174 (get_dep_weak, ds_merge): Make global.
3175 * genattr.c (main): Code to output prototype for
3176 dfa_clear_single_insn_cache.
3177 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3178 (output_dfa_clean_insn_cache_func): Code to output
3179 dfa_clear_single_insn_cache function.
3180 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3182 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3184 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3185 New static variables.
3186 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3187 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3189 (ebb_sched_info): Initialize new fields.
3190 (get_block_head_tail): Adjust all uses.
3191 (compute_jump_reg_dependencies): Fixed to use glat_start.
3192 (schedule_ebb): Code to remove unreachable last block.
3193 (schedule_ebbs): Added code to update register live information.
3194 * sched-rgn.c (region_sched_info): Initialize new fields.
3195 (get_block_head_tail): Adjust all uses.
3196 (last_was_jump): Removed. Adjust users.
3197 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3198 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3199 Implement new hooks.
3200 (check_dead_notes1): New static function.
3201 (struct region): New fields: dont_calc_deps, has_real_ebb.
3202 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3203 (BB_TO_BLOCK): Fixed to handle EBBs.
3204 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3205 (ebb_head): New static variable.
3206 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3207 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3209 (compute_dom_prob_ps): New assertion.
3210 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3211 global_live_at_start.
3212 (init_ready_list): New assertions.
3213 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3214 (new_ready): Add support for BEGIN_CONTROL speculation.
3215 (schedule_insns): Fixed code that updates register live information
3217 (schedule_region): Fixed to handle EBBs.
3218 (init_regions): Use extend_regions and check_dead_notes1.
3219 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3220 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3221 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3222 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3223 TARGET_SCHED_GEN_CHECK,
3224 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3225 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3226 * doc/invoke.texi (max-sched-insn-conflict-delay,
3227 sched-spec-prob-cutoff): Document.
3229 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3231 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3232 inter_tick, queue_index.
3233 (struct sched_info): Change signature of init_ready_list field.
3234 Adjust all initializations.
3235 (RESOLVED_DEPS): New access macro.
3236 (ready_add): Remove prototype.
3237 (try_ready): Add prototype.
3238 * sched-rgn.c (init_ready_list): Use try_ready.
3239 (schedule_region): Initialize
3240 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3241 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3242 (init_ready_list): Use try_ready.
3243 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3244 * lists.c (remove_list_elem): Remove `static'.
3245 (remove_free_INSN_LIST_elem): New function.
3246 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3247 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3248 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3250 (readyp): New variable.
3251 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3252 change_queue_index, resolve_dep): New static functions.
3253 (try_ready): New function. Adjust callers in sched-rgn.c and
3254 sched-ebb.c to use it instead of ready_add.
3255 (clock_var): Move at the begining of file.
3256 (rank_for_schedule): Fix typo.
3257 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3258 (ready_lastpos): Enforce assertion.
3259 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3261 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3262 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3263 (queue_to_ready): Use free_INSN_LIST_list.
3264 (early_queue_to_ready): Fix typo.
3265 (schedule_block): Init readyp. Move init_ready_list call after the
3266 initialization of clock_var. Fix error in rejecting insn by
3267 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3268 that previously corrected INSN_TICKs. Add code for handling
3270 (set_priorities): Fix typo.
3271 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3272 Clarify comment and code that keeps current_sched_info->next_tail
3275 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3277 * sched-rgn.c (extend_rgns): New static function.
3278 (find_rgns): Use it.
3279 (gather_region_statistics, print_region_statistics): New static
3281 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3282 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3284 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3285 Andrey Belevantsev <abel@ispras.ru>
3287 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3288 * lists.c (unused_deps_list): New variable.
3289 (free_list): Add assertions to verify the proper distinguishing
3290 between INSN_LISTs and DEPS_LISTs.
3291 (find_list_elem, remove_list_elem, remove_list_node): New static
3293 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3294 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3295 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3296 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3298 (free_INSN_LIST_node): Likewise.
3299 * modulo-sched.c (current_sched_info): Initialize flags field.
3300 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3301 * rtl.def (DEPS_LIST): Define.
3302 * rtl.h: Declare new functions from lists.c.
3303 * sched-deps.c (spec_dependency_cache): New static variable.
3304 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3305 (add_dependence): Change return type to void. Move the logic to ...
3306 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3307 (delete_all_dependences): Add comment about forward_dependency_cache.
3308 Handle spec_dependency_cache. Handle DEPS_LISTs.
3309 (fixup_sched_groups): Clarify the change of priority of output
3310 and anti dependencies.
3311 (sched_analyze_2): Adjust add_dependence calls to create data
3312 speculative dependence.
3313 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3314 Adjust all callers. Handle DEPS_LISTS.
3315 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3316 presence of speculation.
3317 (init_dependency_caches, free_dependency_caches):
3318 Handle spec_dependency_cache.
3319 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3320 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3321 New static functions.
3322 (add_or_update_back_dep, add_or_update_back_forw_dep,
3323 add_back_forw_dep, delete_back_forw_dep): New functions.
3324 * sched-int.h (ds_t, dw_t): New typedefs.
3325 (struct sched_info): Add new field flags.
3326 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3327 Prototype new sched-deps.c functions.
3328 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3329 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3330 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3331 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3332 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3333 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3335 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3337 * sched-rgn.c (current_sched_info): Initialize flags field.
3338 (schedule_insns): Initialize current_sched_info before the sched_init
3340 * sched-ebb.c (current_sched_info): Initialize flags field.
3341 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3342 Call add_or_update_back_dep instead of add_dependence.
3343 Create control speculative dependencies.
3344 (schedule_insns): Initialize current_sched_info before the sched_init
3347 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3349 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3351 (sh_fallback_frame_state): Likewise.
3353 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3355 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3356 Do switch on default_use_cxa_atexit.
3357 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3358 * config/darwin-crt3.o: New.
3359 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3360 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3361 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3363 * config/rs6000/t-darwin: Move crt2.o building to here.
3364 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3365 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3368 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3370 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3371 from '! xxx' to '!xxx' for coding-style conformance.
3372 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3373 (EXTRA_CONSTRAINT): Likewise.
3374 * config/vax/vax.md (four unnamed insns): Likewise.
3376 2006-03-15 Paul Brook <paul@codesourcery.com>
3378 * config/arm/arm.c (minipool_pad): New.
3379 (add_minipool_forward_ref): Include pool alignment padding in address
3381 (push_minipool_fix): Set minipool_pad.
3382 (minipool_pad): Ditto.
3384 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3386 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3387 instead of GET_CODE() == MEM and REG_P() instead of
3389 (print_operand_address): Likewise.
3390 (vax_address_cost): Likewise.
3391 (vax_rtx_costs): Likewise.
3392 (vax_notice_update_cc): Likewise.
3393 (vax_output_int_add): Likewise.
3394 (INDEX_REGISTER_P): Likewise.
3395 (BASE_REGISTER_P): Likewise.
3396 (nonindexed_address_p): Likewise.
3397 (vax_mode_dependent_address_p): Likewise.
3398 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3399 (PRINT_OPERAND): Likewise.
3400 * config/vax/vax.md (ashlsi3): Likewise.
3401 (ashlsi3): Likewise.
3402 (some more unnamed insns): Likewise.
3404 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3406 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3407 iterator-style macro.
3408 (mark_control_dependent_edges_necessary): Update the use of
3409 EXECUTE_IF_CONTROL_DEPENDENT.
3411 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3413 * config/sh/predicates.md (cache_address_operand): Special.
3414 (ua_address_operand): Likewise.
3416 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3418 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3420 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3422 2006-03-15 Andreas Schwab <schwab@suse.de>
3424 * gensupport.c (identify_predicable_attribute): Don't free p_false
3425 when it is still in use.
3427 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3429 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3430 the default setting here.
3432 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3434 * tree-pass.h (pass_cfg): Remove.
3435 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3436 * passes.c (pass_cfg): Don't run it.
3438 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3440 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3441 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3443 (stack_regs_mentioned): Update the uses of
3444 stack_regs_mentioned_data. Don't access the array beyond its
3446 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3447 Don't include gt-reg-stack.h.
3449 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3450 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3452 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3455 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3458 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3460 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3462 2006-03-14 Richard Guenther <rguenther@suse.de>
3464 PR tree-optimization/26672
3465 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3468 2006-03-14 Richard Guenther <rguenther@suse.de>
3470 PR tree-optimization/26667
3471 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3472 node for the callees. Always allow inlining if it will shrink
3475 2006-03-14 Richard Guenther <rguenther@suse.de>
3478 * builtins.c (get_pointer_alignment): Prefer alignment
3479 information from decls over that from types.
3481 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3484 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3486 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3488 * config/rs6000/rs6000.opt (mdlmzb): New option.
3489 (msched-prolog, msched-epilog): Use Var not Mask.
3490 * doc/invoke.texi (-mdlmzb): Document.
3491 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3493 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3494 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3496 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3498 PR rtl-optimization/25739
3499 * bt-load.c (augment_live_range): Free tos pointer.
3501 * gensupport.c (identify_predicable_attribute): Free
3503 * gcov.c (create_file_names): Free name pointer.
3505 2006-03-13 Roger Sayle <roger@eyesopen.com>
3508 * stmt.c (emit_case_nodes): Handle the case where the index is a
3509 CONST_INT, where the comparison mode is specified by the index type.
3511 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3513 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3516 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3518 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3519 (*branch_fp_inverted): Likewise.
3521 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3524 * omp-low.c (expand_omp_for_generic): Mark istart0
3525 and iend0 as addressable.
3527 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3529 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3531 2006-03-13 Jeff Law <law@redhat.com>
3533 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3534 virtual operands are interesting.
3535 (vrp_visit_stmt): Corresponding changes.
3537 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3539 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3541 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3542 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3543 * config/bfin/crti.S: Use it instead of __PIC__.
3544 * config/bfin/crtn.S: Likewise.
3546 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3547 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3549 Lose 'G' modifier for call operand.
3550 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3551 recognize 'G' modifier.
3553 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3556 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3557 * stmt.c (expand_case): Likewise.
3559 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3561 PR rtl-optimization/26254
3562 * loop-invariant.c (seq_insns_valid_p): New function.
3563 (move_invariant_reg): Only emit new code if it is valid.
3565 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3567 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3569 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3570 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3571 (commit_one_edge_insertion): Do not look for loop notes.
3573 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3575 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3576 flag_test_coverage out of loop.
3578 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3580 * final.c (shorten_branches): Remove outdated comment, and turn
3581 the if branch that guards it to continue.
3583 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3585 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3586 * cfgloop.h (struct loop): Remove unused fields.
3588 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3590 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3591 (-dL, -fdump-rtl-loop2): Update the dump file names
3593 * doc/invoke.texi: Update dump file names.
3595 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3597 * predict.c (estimate_probability): Remove.
3598 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3599 * basic-block.h (estimate_probability): Remove prototype.
3600 * passes.c (finish_optimization_passes): Dump branch prediction or
3601 profiling heuristics to the .profile tree dump.
3602 (init_optimization_passes): Unqueue pass_branch_prob.
3604 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3606 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3608 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3609 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3611 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3613 * function.h (frame_offset_overflow): Declare.
3614 * function.c (frame_offset_overflow): New function.
3615 (assign_stack_local_1): Call it to detect that the offset overflows.
3616 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3618 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3620 * config/sh/sh.c: Include alloc-pool.h.
3621 (label_ref_list_pool): New alloc pool.
3622 (label_ref_list_t): New type for lists of labels.
3623 (struct pool_node): Make wend a label_ref_list_t.
3624 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3626 (dump_table): Likewise.
3627 (sh_reorg): Set up the alloc pool before using add_constant and
3628 dump_table, and destroy it when finishing.
3630 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3632 * config/mips/mips.c: Remove redundant comment.
3634 2006-03-10 Jason Merrill <jason@redhat.com>
3637 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3638 the target was declared 'register'.
3640 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3642 * genpreds.c (write_insn_constraint_len): Change definition of
3643 insn_constraint_len to return size_t to match the declaration.
3645 2006-03-10 DJ Delorie <dj@redhat.com>
3647 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3649 (m32c_expand_insv): Fix test for an AND mask.
3651 2006-03-10 Richard Guenther <rguenther@suse.de>
3654 * builtins.c (get_pointer_alignment): Handle component
3655 references for field alignment.
3657 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3659 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3660 when building with libgloss.
3661 (sh*elf): Implement --without-fp option.
3662 (sh64-superh-linux*): Don't multilib.
3664 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3666 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3668 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3670 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3671 Set it when one of the replacement functions returned true.
3672 Return TODO_cleanup_cfg if cfgchanged is true.
3673 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3675 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3677 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3678 instead of gen_lowpart.
3680 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3682 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3684 (mips_output_order_conditional_branch): Declare.
3685 * config/mips/mips.h (MIPS_BRANCH): New macro.
3686 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3687 for the comparison. Use gen_condjump.
3688 (mips_output_conditional_branch): Rework interface to take the
3689 asm templates for a direct branch and the inverse of a direct branch.
3690 (mips_output_order_conditional_branch): New function.
3691 (mips_builtin_branch_and_move): New function.
3692 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3693 branch condition. Use gen_single_cc as the condition for
3694 __builtin_mips_upper_* or __builtin_mips_lower_*.
3695 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3696 Use VOIDmode for the branch condition.
3697 * config/mips/predicates.md (order_operator): New predicate.
3698 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3699 (branch_fp): Rename to...
3700 (*branch_fp): ...this. Remove mode from comparison operator.
3701 Use new mips_output_conditional_branch interface.
3702 (branch_fp_inverted): Rename to...
3703 (*branch_fp_inverted): ...this and update as for *branch_fp.
3704 (*branch_zero<mode>): Rename to...
3705 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3706 Use mips_output_order_conditional_branch. Only accept ordered
3708 (*branch_zero<mode>_inverted): Rename to...
3709 (*branch_order<mode>_inverted): ...this and update as for
3710 *branch_order<mode>.
3711 (*branch_equality<mode>): Accept zero as the second operand to
3712 the equality operator. Use the new mips_output_conditional_branch
3714 (*branch_equality<mode>_inverted): Likewise.
3715 (condjump): New expander.
3716 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3718 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3719 (bc1any2t, bc1any2f): Likewise.
3720 (single_cc): New expander.
3721 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3723 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3725 * doc/md.texi: Update documentation of MIPS constraints.
3726 * config/mips/constraints.md: New file.
3727 * config/mips/mips.md: Include it.
3728 * config/mips/mips.c (mips_char_to_class): Delete.
3729 (override_options): Don't initialize mips_char_to_class.
3730 * config/mips/mips.h (mips_char_to_class): Delete.
3731 (REG_CLASS_FROM_LETTER): Delete.
3732 (CONST_OK_FOR_LETTER_P): Delete.
3733 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3734 (EXTRA_CONSTRAINT_Y): Delete.
3735 (EXTRA_CONSTRAINT_STR): Delete.
3736 (CONSTRAINT_LEN): Delete.
3737 (EXTRA_MEMORY_CONSTRAINT): Delete.
3739 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3741 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3742 original fn's eh regions.
3744 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3746 * fold-const.c (build_range_check): Make sure to use a valid type to
3747 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3750 (range_predecessor): New static function.
3751 (range_successor): Likewise.
3752 (merge_ranges): Use them to compute predecessors and successors of
3755 2006-03-09 Roger Sayle <roger@eyesopen.com>
3758 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3759 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3761 2006-03-08 DJ Delorie <dj@redhat.com>
3763 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3764 (addpsi3): Expand to include memory operands. Remove
3765 reload-specific splits.
3766 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3767 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3768 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3769 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3770 (shift1_qi, shift1_hi, insv): New.
3771 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3772 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3773 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3775 * config/m32c/m32c-protos.h: Update as needed.
3776 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3777 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3778 Fail for unrecognized R* constraints.
3779 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3780 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3781 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3783 (m32c_init_libfuncs): New.
3784 (m32c_legitimate_address_p): Add debug wrapper.
3785 (m32c_rtx_costs): New.
3786 (m32c_address_cost): New.
3787 (conversions): Add 'B' prefix.
3788 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3789 operands, or word regnames for QI operands. 'B' prints bit
3791 (m32c_expand_setmemhi): New.
3792 (m32c_expand_movmemhi): New.
3793 (m32c_expand_movstr): New.
3794 (m32c_expand_cmpstr): New.
3795 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3796 (m32c_expand_neg_mulpsi3): Handle non-ints.
3797 (m32c_cmp_flg_0): New.
3798 (m32c_expand_movcc): New.
3799 (m32c_expand_insv): New.
3800 (m32c_scc_pattern): New.
3801 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3802 a0/a1 out of SIregs.
3803 (STORE_FLAG_VALUE): New.
3804 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3807 * config/m32c/mov.md: Make constraints more liberal.
3808 (zero_extendqihi2): Optimize r0/r1 case.
3809 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3810 * config/m32c/predicates.md (m32c_any_operand): New.
3811 (m32c_nonimmediate_operand): New.
3812 (m32c_hl_operand): New.
3813 (m32c_r3_operand): New.
3816 (memsym_operand): New.
3817 (memimmed_operand): New.
3818 (a_qi_operand): New.
3819 (m32c_eqne_operator): New.
3820 (m32c_1bit8_operand): New.
3821 (m32c_1bit16_operand): New.
3822 (m32c_1mask8_operand): New.
3823 (m32c_1mask16_operand): New.
3824 * config/m32c/blkmov.md: New file.
3825 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3827 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3829 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3830 unsigned to fix signed/unsigned comparison issue in
3831 DWARF2_FRAME_REG_OUT.
3832 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3833 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3835 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3836 of ptr into the ENABLE_CHECKING section.
3838 2006-03-08 Jeff Law <law@redhat.com>
3840 * tree-vrp.c (infer_value_range): Only count pointer uses
3841 and dereferences if -fdelete-null-pointer-checks is enabled.
3843 * tree-vrp.c (find_assert_locations): Infer value ranges for
3844 single use pointers, but do not create ASSERT_EXPRs for them.
3845 When a non-null range is inferred for a pointer, backwards
3846 propagate that range to other equivalent pointers through the
3849 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3852 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3853 language hook targets.
3854 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3855 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3856 if language hook targets were missing.
3858 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3860 * tree-ssa-opfinalize.h: Removed.
3861 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3863 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3864 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3865 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3866 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3867 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3868 finalize_ssa_v_must_def_ops): New.
3870 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3872 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3875 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3877 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3879 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3880 addresses with offsets; reorganize.
3882 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3883 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3884 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3886 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3889 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3891 2006-03-08 Ben Elliston <bje@au.ibm.com>
3893 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3895 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3898 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3901 2006-03-07 Richard Guenther <rguenther@suse.de>
3903 PR tree-optimization/26587
3904 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3906 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3908 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3910 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3912 * hooks.c (hook_bool_mode_rtx_true): New function.
3913 * hooks.h (hook_bool_mode_rtx_true): Declare.
3914 * toplev.c (compile_file): Call output_shared_constant_pool.
3915 * varasm.c (shared_constant_pool): New variable.
3916 (assemble_start_function, assemble_end_function): Remove arguments
3917 from call to output_constant_pool.
3918 (create_constant_pool): New function, split out from...
3919 (init_varasm_status): ...here.
3920 (force_const_mem): Choose between the shared and per-function constant
3921 pools. Set current_function_uses_const_pool when reusing old entries
3922 as well as when creating new ones.
3923 (mark_constant): Ignore data argument.
3924 (mark_constants): Remove pool argument.
3925 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3926 to decide whether the function uses a constant pool.
3927 (output_constant_pool_contents): New function, split out from...
3928 (output_constant_pool): ...here.
3929 (output_shared_constant_pool): New function.
3930 (init_varasm_once): Initialize shared_constant_pool.
3931 * output.h (output_constant_pool): Delete.
3932 (output_shared_constant_pool): Declare.
3933 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3934 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3936 2006-03-06 Nick Clifton <nickc@redhat.com>
3938 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3939 flag_strength_reduce.
3941 2006-03-06 Ben Elliston <bje@au.ibm.com>
3943 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3944 x86_64-*-linux* configurations.
3946 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3947 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3949 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3951 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3953 * basic-block.h: Remove the extern for
3954 rediscover_loops_after_threading.
3956 * cfgloop.c (cancel_loop): Make it static.
3957 * cfgloop.h: Remove the prototype for cancel_loop.
3959 * flow.c (recompute_reg_usage): Make it static.
3960 * rtl.h: Remove the prototype for recompute_reg_usage.
3962 * function.c (use_return_register): Make it static.
3963 * function.h: Remove the prototype.
3965 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3967 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3969 * recog.h: Remove the prototype for
3970 validate_change_maybe_volatile.
3972 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3974 * rtlanal.c (replace_reg): Remove.
3975 * rtl.h: Remove the prototype for replace_reg.
3977 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3979 * regclass.c (reg_scan_update): Remove.
3980 (reg_scan_mark_refs): Remove the last argument.
3981 * rtl.h: Remove the prototype for reg_scan_update.
3983 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3985 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3986 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3987 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3988 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3989 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3990 loop-invariant.c, omp-low.c, opts.c, passes.c,
3991 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3992 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3993 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3994 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3995 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3996 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3998 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4000 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4001 * dwarf2out.h: Remove the prototype for
4002 dwarf2out_add_library_unit_info.
4004 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4006 * tree.c (add_var_to_bind_expr): Remove.
4007 * tree.h: Remove the prototype for add_var_to_bind_expr.
4009 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4011 * regclass.c (n_non_fixed_regs): Remove.
4012 (init_reg_sets_1, globalize_reg): Remove all uses of
4014 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4016 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4018 * rtlanal.c (insns_safe_to_move_p): Remove.
4019 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4021 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4023 * expmed.c (expand_mult_add): Remove.
4024 * expr.h: Remove the prototype for expand_mult_add.
4026 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4028 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4029 and REG_SAVED_VAL_EXP constants.
4030 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4031 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4032 Handle regs stored by value.
4033 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4034 (execute_cfa_program): Handle DW_CFA_val_offset,
4035 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4036 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4037 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4038 (uw_install_context_1): Handle target regs stored by value.
4040 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4042 * tree-sra.c (tree_sra): Return todoflags;
4043 (generate_one_element): Set TODO_update_smt_usage if needed.
4044 (pass_sra): Remove TODO_update_smt_usage.
4045 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4047 (tree_ssa_forward_propagate_single_use_vars): Return
4048 TODO_update_smt_usage if we need to update SMT usage.
4049 (pass_forwprop): Remove TODO_update_smt_usage.
4051 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4053 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4054 (correct_use_link): Remove reference to get_stmt_operands.
4055 (update_stmt_operands): Likewise.
4056 (get_modify_expr_operands): New function factored out of
4057 parse_ssa_operands and get_expr_operands.
4058 Try to create V_MUST_DEFs for LHS by default.
4059 (get_expr_operands) <case MODIFY_EXPR>: Call
4060 get_modify_expr_operands.
4061 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4062 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4063 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4064 get_modify_expr_operands.
4066 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4068 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4069 * tree-flow.h: Remove the prototype for
4070 referenced_var_lookup_if_exists.
4072 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4074 PR rtl-optimization/26345
4076 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4078 2006-03-03 Roger Sayle <roger@eyesopen.com>
4080 PR tree-optimization/26524
4081 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4082 fold_convert to create a constant of the appropriate type.
4084 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4086 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4087 SYMBOL_REF_IN_BLOCK_P.
4088 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4089 of SYMBOL_FLAG_IN_BLOCK.
4090 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4091 instead of SYMBOL_REF_IN_BLOCK_P.
4092 * explow.c (use_anchored_address): Likewise.
4093 * rtl.c (rtx_size): Likewise.
4094 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4095 instead of SYMBOL_FLAG_IN_BLOCK.
4096 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4097 SYMBOL_REF_IN_BLOCK_P.
4098 (assemble_variable): Likewise.
4099 (output_constant_def_contents): Likewise.
4100 (output_constant_pool): Likewise.
4101 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4102 instead of SYMBOL_FLAG_IN_BLOCK.
4103 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4104 SYMBOL_REF_IN_BLOCK_P.
4105 (SYMBOL_REF_BLOCK): Likewise.
4106 (SYMBOL_REF_OFFSET): Likewise.
4107 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4108 SYMBOL_REF_IN_BLOCK_P.
4109 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4110 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4111 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4112 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4114 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4116 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4118 2006-03-02 Roger Sayle <roger@eyesopen.com>
4120 * simplify-rtx.c (simplify_unary_operation): When simplifying
4121 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4122 that we perform the right shift in the appropriate mode, and
4123 then extend or truncate the result to requested mode.
4125 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4127 * gengtype.c (main): Handle double_int type.
4128 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4129 * double-int.c: New file.
4130 * double-int.h: New file.
4131 * system.h: Include doubleint.h.
4132 * Makefile.in (SYSTEM_H): Include double-int.h.
4133 (double-int.o): Add.
4135 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4138 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4141 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4143 * tree-vrp.c (remove_range_assertions): Do not update statements
4146 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4148 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4150 * gcse.c (rest_of_handle_gcse): Ditto.
4151 * except.c (gate_handle_eh): Ditto.
4152 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4153 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4155 2006-03-02 Eric Christopher <echristo@apple.com>
4157 * config/i386/i386.c (machopic_output_stub): Add indirection to
4160 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4164 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4166 Sun Niagara specific optimizations.
4167 * config.gcc: Recognize niagara as target.
4168 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4169 (TARGET_CPU_niagara): Define.
4170 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4171 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4172 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4173 (ASM_CPU_SPEC): Likewise.
4174 (PROCESSOR_NIAGARA): New enum entry.
4175 (REGISTER_MOVE_COST): Handle Niagara.
4176 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4177 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4178 (sparc_override_options): Recognize "niagara", set appropriate
4179 default MASK_* values for it, and align functions to 32-bytes
4180 by default just like ULTRASPARC/ULTRASPARC3.
4181 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4182 (sparc64_initialize_trampoline): Likewise.
4183 (sparc_use_sched_lookahead): Use zero for niagara.
4184 (sparc_issue_rate): Use one for niagara.
4185 * config/sparc/niagara.md: New file.
4186 * config/sparc/sparc.md: Include it.
4187 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4188 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4189 when default cpu is niagara.
4190 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4191 (ASM_CPU_SPEC): Likewise.
4192 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4193 when default cpu is niagara.
4194 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4195 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4196 just like v9/ultrasparc/ultrasparc3.
4197 * doc/invoke.texi: Add documentation for "niagara" and improve
4198 existing documentation for ultrasparc variants.
4200 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4202 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4204 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4206 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4207 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4208 and say that only one is needed.
4209 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4210 * target.h (have_switchable_bss_sections): New hook.
4211 * explow.c (use_anchored_address): Check that the symbol is in a block.
4212 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4213 (bss_noswitch_section): New variables.
4214 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4215 (get_noswitch_section): New function.
4216 (get_block_for_section): Allow SECT to be null.
4217 (unlikely_text_section_p): Use SECTION_STYLE.
4218 (bss_initializer_p): New function.
4219 (get_variable_section): Move earlier in file. Take a new argument,
4220 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4221 Return one of the new *_sections in such cases.
4222 (get_block_for_decl): New function, extracting some logic from
4223 use_blocks_for_decl_p.
4224 (change_symbol_section): Remove in favor of...
4225 (change_symbol_block): ...this new function.
4226 (use_blocks_for_decl_p): Remove checks now performed by
4228 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4229 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4230 (emit_local, emit_bss, emit_common): ...these new functions.
4231 Return true if the alignment was honored.
4232 (emit_tls_common): New function.
4233 (asm_emit_uninitialised): Delete.
4234 (assemble_variable_noswitch): New function, split out from...
4235 (assemble_variable): ...here. Don't make decisions about common
4236 variables here. Globalize all public decls that go into non-common
4237 sections. Check whether SYMBOL_REF_BLOCK is null.
4238 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4239 (output_constant_pool): Likewise.
4240 (init_varasm_once): Initialize the new section variables.
4241 (have_global_bss_p): New function.
4242 (categorize_decl_for_section): Use bss_initializer_p.
4243 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4244 (place_block_symbol): Assert that the symbol must be in a block.
4245 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4246 (TARGET_INITIALIZER): Include it.
4247 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4248 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4249 (SECTION_MACH_DEP): Bump by two.
4250 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4251 (unnamed_section): Mention SECTION_UNNAMED in comment.
4252 (named_section): Likewise SECTION_NAMED.
4253 (noswitch_section_callback): New type.
4254 (noswitch_section): New structure.
4255 (section): Add a noswitch_section alternative.
4256 (SECTION_STYLE): New macro.
4257 (tls_comm_section, comm_section, lcomm_section): Declare.
4258 (bss_noswitch_section, have_global_bss_p): Declare.
4259 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4260 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4262 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4263 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4266 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4268 * gcc/tree-vrp.c (execute_vrp): Return value.
4269 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4270 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4271 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4272 (tree_lower_complex_O0): Ditto.
4273 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4274 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4275 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4276 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4277 (execute_tail_calls): Ditto.
4278 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4279 * gcc/tree.h (init_function_for_compilation): Ditto.
4280 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4281 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4282 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4283 * gcc/final.c (compute_alignments): Ditto.
4284 (rest_of_handle_final): Ditto.
4285 (rest_of_handle_shorten_branches): Ditto.
4286 (rest_of_clean_state): Ditto.
4287 * gcc/omp-low.c (execute_expand_omp): Ditto.
4288 (execute_lower_omp): Ditto.
4289 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4290 * gcc/ipa-reference.c (static_execute): Ditto.
4291 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4292 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4293 (rest_of_handle_machine_reorg): Ditto.
4294 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4295 * gcc/flow.c (recompute_reg_usage): Ditto.
4296 (rest_of_handle_remove_death_notes): Ditto.
4297 (rest_of_handle_life): Ditto.
4298 (rest_of_handle_flow2): Ditto.
4299 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4300 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4301 (do_ssa_store_ccp): Ditto.
4302 (execute_fold_all_builtins): Ditto.
4303 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4304 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4305 * gcc/ipa-pure-const.c (static_execute): Ditto.
4306 * gcc/cse.c (rest_of_handle_cse): Ditto.
4307 (rest_of_handle_cse2): Ditto.
4308 * gcc/web.c (rest_of_handle_web): Ditto.
4309 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4310 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4311 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4312 * gcc/tree-nrv.c (tree_nrv): Ditto.
4313 (execute_return_slot_opt): Ditto.
4314 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4315 (create_structure_vars): Ditto.
4316 * gcc/loop-init.c (rtl_loop_init): Ditto.
4317 (rtl_loop_done): Ditto.
4318 (rtl_move_loop_invariants): Ditto.
4319 (rtl_unswitch): Ditto.
4320 (rtl_unroll_and_peel_loops): Ditto.
4321 (rtl_doloop): Ditto.
4322 * gcc/gimple-low.c (lower_function_body): Ditto.
4323 (mark_used_blocks): Ditto.
4324 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4325 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4326 (cgraph_early_inlining): Ditto.
4327 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4328 * gcc/jump.c (cleanup_barriers): Ditto.
4329 (purge_line_number_notes): Ditto.
4330 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4331 (rest_of_handle_if_after_reload): Ditto.
4332 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4333 (tree_ssa_loop_im): Ditto.
4334 (tree_ssa_loop_unswitch): Ditto.
4335 (tree_vectorize): Ditto.
4336 (tree_linear_transform): Ditto.
4337 (tree_ssa_loop_ivcanon): Ditto.
4338 (tree_ssa_empty_loop): Ditto.
4339 (tree_ssa_loop_bounds): Ditto.
4340 (tree_complete_unroll): Ditto.
4341 (tree_ssa_loop_prefetch): Ditto.
4342 (tree_ssa_loop_ivopts): Ditto.
4343 (tree_ssa_loop_done): Ditto.
4344 * gcc/predict.c (tree_estimate_probability): Ditto.
4345 * gcc/recog.c (split_all_insns_noflow): Ditto.
4346 (rest_of_handle_peephole2): Ditto.
4347 (rest_of_handle_split_all_insns): Ditto.
4348 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4349 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4350 (rest_of_handle_stack_adjustments): Ditto.
4351 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4352 * gcc/function.c (instantiate_virtual_regs): Ditto.
4353 (init_function_for_compilation): Ditto.
4354 (rest_of_handle_check_leaf_regs): Ditto.
4355 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4356 (rest_of_handle_gcse): Ditto.
4357 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4358 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4359 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4360 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4361 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4362 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4363 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4364 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4365 * gcc/except.c (set_nothrow_function_flags): Ditto.
4366 (convert_to_eh_region_ranges): Ditto.
4367 (rest_of_handle_eh): Ditto.
4368 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4369 (remove_unnecessary_notes): Ditto.
4370 * gcc/except.h (set_nothrow_function_flags): Ditto.
4371 (convert_to_eh_region_ranges): Ditto.
4372 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4373 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4374 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4375 (execute_fre): Ditto.
4376 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4377 (rest_of_handle_jump2): Ditto.
4378 * gcc/tree-sra.c (tree_sra): Ditto.
4379 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4380 (execute_mudflap_function_decls): Ditto.
4381 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4382 (do_store_copy_prop): Ditto.
4383 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4384 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4385 * gcc/tree-ssa-forwprop.c
4386 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4387 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4388 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4389 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4390 (execute_late_warn_uninitialized): Ditto.
4391 * gcc/rtl.h (cleanup_barriers): Ditto.
4392 (split_all_insns_noflow): Ditto.
4393 (purge_line_number_notes): Ditto.
4394 (unshare_all_rtl): Ditto.
4395 (remove_unnecessary_notes): Ditto.
4396 (recompute_reg_usage): Ditto.
4397 (variable_tracking_main): Ditto.
4398 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4399 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4400 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4401 (execute_free_cfg_annotations): Ditto.
4402 (execute_fixup_cfg): Ditto.
4403 (execute_cleanup_cfg_pre_ipa): Ditto.
4404 (execute_cleanup_cfg_post_optimizing): Ditto.
4405 (execute_init_datastructures): Ditto.
4406 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4407 * gcc/combine.c (rest_of_handle_combine): Ditto.
4408 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4409 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4410 (rest_of_handle_reorder_blocks): Ditto.
4411 (rest_of_handle_partition_blocks): Ditto.
4412 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4413 * gcc/tree-profile.c (tree_profiling): Ditto.
4414 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4415 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4416 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4417 (rest_of_handle_sched2): Ditto.
4418 * gcc/basic-block.h (free_bb_insn): Ditto.
4419 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4420 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4421 (remove_useless_stmts): Ditto.
4422 (split_critical_edges): Ditto.
4423 (execute_warn_function_return): Ditto.
4424 (execute_warn_function_noreturn): Ditto.
4425 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4426 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4427 * gcc/passes.c (execute_one_pass): Run additional
4428 todos returned by execute function.
4429 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4432 2006-03-02 Richard Guenther <rguenther@suse.de>
4434 * tree-ssa-alias.c (find_used_portions): Consider taking
4435 the address as making the variable not write-only.
4437 2006-03-02 Nick Clifton <nickc@redhat.com>
4439 * config.gcc (default_use_cxa_atexit): Extend the description of
4440 this configure variable. Set its default value to "yes" for
4441 Linux, NetBSD and ELF targets on the assumption that they will
4442 use C libraries with the __cxa_atexit function.
4444 2006-03-02 Ben Elliston <bje@au.ibm.com>
4446 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4447 parameter as unused to suppress a build warning.
4449 2006-03-02 Ben Elliston <bje@au.ibm.com>
4451 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4454 2006-03-01 Roger Sayle <roger@eyesopen.com>
4457 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4458 declared name, the weak reference name, and the typeof name.
4459 (__gthrw): Avoid expanding the declared name suffix.
4460 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4462 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4464 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4466 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4467 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4468 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4469 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4470 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4471 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4472 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4473 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4474 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4475 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4476 (DW_END_default, DW_END_big, DW_END_little): New.
4477 (DW_END_lo_user, DW_END_hi_user): Define.
4478 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4479 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4480 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4483 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4485 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4487 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4489 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4491 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4493 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4494 to 'symbol_mem_tag'.
4496 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4499 2006-03-01 Roger Sayle <roger@eyesopen.com>
4501 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4503 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4506 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4507 MACHO_DYNAMIC_NO_PIC_P.
4508 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4510 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4513 * config/darwin-protos.h (darwin_asm_output_anchor):
4515 * config/darwin-sections.def (cstring_section):
4516 Add SECTION_MERGE to the flags.
4517 (literal4_section): Likewise.
4518 (literal8_section): Likewise.
4519 (objc_selector_refs_section): Likewise.
4520 (objc_cls_refs_section): Likewise.
4521 * config/darwin.c (darwin_asm_output_anchor): New
4523 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4525 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4527 Fix PR tree-optimization/26443
4528 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4529 to todo and PROP_tmt_usage to properties_destroyed.
4530 * tree-ssa-ccp.c (pass_ccp): Ditto.
4531 (pass_store_ccp): Ditto.
4532 * tree-ssa-dom.c (pass_dominator): Ditto.
4534 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4536 * tree-ssa-operands.c: Cleanup whitespace.
4537 (get_asm_expr_operands): Move before first invocation.
4538 (get_indirect_ref_operands): Likewise.
4539 (get_tmr_operands): Likewise.
4540 (get_call_expr_operands): Likewise.
4541 (append_def): Likewise.
4542 (append_use): Likewise.
4543 (append_v_may_def): Likewise.
4544 (append_v_must_def): Likewise.
4545 (add_call_clobber_ops): Likewise.
4546 (add_call_read_ops): Likewise.
4547 (add_stmt_operand): Likewise.
4548 (add_virtual_operand): Likewise.
4549 (build_ssa_operands): Likewise.
4551 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4556 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4557 with a call expr to ...
4558 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4560 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4562 * tree-vrp.c (extract_range_from_assert): Remove special
4563 handling for types with super-types.
4565 2006-03-01 Ben Elliston <bje@au.ibm.com>
4567 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4568 and powerpc64-*-linux* configurations.
4569 * config/t-dfprules: New file.
4571 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4572 Compile dfp-bit.c from the source directory using -DWIDTH and
4573 $DFP_CFLAGS to control the compilation of that file, rather than
4574 generating width-specific versions in the build directory.
4575 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4576 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4578 2006-02-28 Zack Weinberg <zackw@panix.com>
4580 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4583 2006-02-28 Eric Christopher <echristo@apple.com>
4585 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4586 Set up IN_LIBGCC definition of TARGET_64BIT.
4587 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4589 2006-02-28 Roger Sayle <roger@eyesopen.com>
4592 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4593 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4594 cases via the construction of "expr != 0".
4596 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4598 * alias.c (alias_invariant, alias_invariant_size): Remove.
4599 (record_base_value): Remove.
4600 (memrefs_conflict_p): Don't look at alias_invariant.
4601 (end_alias_analysis): Don't free it.
4602 * alias.h (record_base_value): Remove prototype.
4604 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4605 Adam Nemet <anemet@caviumnetworks.com>
4607 * rtl.h (truncated_to_mode): Declare it.
4608 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4609 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4610 (RTL_HOOKS_INITIALIZER): Include it.
4611 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4612 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4613 reg_truncated_to_mode.
4614 * rtlanal.c (truncated_to_mode): Define it.
4615 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4617 2006-02-28 Jeff Law <law@redhat.com>
4619 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4620 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4621 the range allowed by TYPE_PRECISION.
4623 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4625 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4627 PR tree-optimization/26419
4628 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4631 2006-02-27 Zack Weinberg <zackw@panix.com>
4633 * doc/md.texi: Fix typo in previous change.
4635 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4639 2006-02-27 Zack Weinberg <zackw@panix.com>
4641 * rtl.def (define_constraint, define_register_constraint)
4642 (define_memory_constraint, define_address_constraint): New MD forms.
4643 * gensupport.c (process_rtx): Put define_constraint etc on the
4645 * genpreds.c (process_define_predicate): Adjust comment. Validate
4646 the name, and call validate_exp to validate the expression.
4647 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4648 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4649 all callers changed.
4650 (validate_exp, needs_variable, struct constraint_data)
4651 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4652 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4653 (const_dbl_constraints, constraint_max_namelen)
4654 (have_register_constraints, have_memory_constraints)
4655 (have_address_constraints, have_address_constraints)
4656 (have_extra_constraints, have_const_int_constraints)
4657 (have_const_dbl_constraints, mangle, add_constraint)
4658 (process_define_constraint, process_define_register_constraint)
4659 (write_enum_constraint_num, write_lookup_constraint)
4660 (write_insn_constraint_len, write_regclass_for_constraint)
4661 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4662 (write_insn_extra_memory_constraint)
4663 (write_insn_extra_address_constraint)
4664 (write_satisfies_constraint_fns): New.
4665 (write_tm_preds_h): If we have new-style constraint definitions,
4666 prototype the functions generated from them, and define the
4667 old constraint interface (still used by generic code) in terms of
4669 (write_insn_preds_c): If we have new-style constraint definitions,
4670 generate all relevant functions from those definitions.
4671 (main): Handle define_constraint etc.
4672 * genoutput.c (struct constraint_data, indep_constraints)
4673 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4674 (mdep_constraint_len): New data structures and functions, defined
4675 #ifdef USE_MD_CONSTRAINTS.
4676 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4677 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4678 use new logic to validate operand constraints against constraint
4680 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4682 * defaults.h: If none of the old-style constraint macros are
4683 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4684 old-style macros; and poison REG_CLASS_FROM_LETTER,
4685 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4687 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4688 * doc/md.texi: Document new constraint-definition mechanism and the
4689 C interface it provides. Remove references to old mechanism
4690 elsewhere in the document.
4691 (Machine Constraints): Use pathnames relative to gcc directory,
4692 i.e. config/ARCH/FILE. Change i386 section to refer to
4693 config/i386/predicates.md; update that section to match docstrings.
4694 * doc/tm.texi: Move all documentation of the old constraint-
4695 definition macros to their own section, clearly mark as obsolete.
4697 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4698 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4700 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4701 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4702 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4704 (splits and peepholes): Use satisfies_constraint_*.
4705 * config/i386/i386.c (memory_address_length)
4706 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4708 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4710 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4711 scalar operation to be put back into the loop.
4713 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4716 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4717 (extract_cie_info): Handle S flag in augmentation string.
4718 (execute_cfa_program): If context->signal_frame, execute also
4719 fs->pc == context->ra instructions.
4720 (uw_frame_state_for): If context->signal_frame, don't subtract one
4721 from context->ra to find FDE.
4722 (uw_update_context_1): Set context->signal_frame to
4724 (_Unwind_GetIPInfo): New function.
4725 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4726 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4728 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4729 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4730 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4731 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4732 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4733 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4734 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4735 x86_64_fallback_frame_state): Set fs->signal_frame.
4736 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4737 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4738 (frob_update_context): Likewise. Workaround missing S flag in
4739 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4740 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4741 Remove the psw_addr + 1 hack.
4743 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4745 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4746 with aggregates here.
4747 (find_func_aliases): Remove code for &<aggregate> from here.
4749 2006-02-26 Roger Sayle <roger@eyesopen.com>
4751 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4752 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4753 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4756 2006-02-26 Roger Sayle <roger@eyesopen.com>
4759 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4761 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4763 * opts.c (decode_options): Do not handle flag_strength_reduce.
4764 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4765 and OPT_fstrength_reduce.
4766 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4767 flag_prefetch_loop_arrays for being nonzero.
4768 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4770 (fprefetch-loop-arrays-rtl): Removed.
4771 (flag_prefetch_loop_arrays): Do not specify the value.
4773 * doc/passes.texi: Update documentation of loop optimizer
4775 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4776 -frerun-loop-opt): Remove.
4778 2006-02-26 Richard Guenther <rguenther@suse.de>
4780 PR tree-optimization/26421
4781 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4782 in function calls that are ADDR_EXPRs as using the whole structure.
4784 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4786 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4787 * tree-pass.h (pass_loop_optimize): Remove.
4788 * passes.c (pass_loop_optimize): Never run it.
4789 * toplev.c (backend_init): Don't call init_loop.
4790 * opts.c (flag_loop_optimize_set): Remove.
4791 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4792 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4793 the old RTL loop optimizer when profiling enabled.
4794 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4795 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4796 pre-headers for the sake of the old RTL loop optimizer.
4797 * Makefile.in: Remove all references to loop.o.
4799 * doc/invoke.texi: Remove all references to -floop-optimize
4800 and -frerun-loop-opt.
4802 2006-02-26 Zack Weinberg <zackw@panix.com>
4804 * doc/md.texi (Machine Constraints): Refer to all files with paths
4805 relative to gcc directory (i.e. config/CPU/file). Add missing
4806 @table @code ... @end table to M32C subsection.
4808 2006-02-26 Roger Sayle <roger@eyesopen.com>
4810 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4812 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4814 2006-02-26 Roger Sayle <roger@eyesopen.com>
4815 James A. Morrison <phython@gcc.gnu.org>
4818 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4819 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4820 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4821 signedness of the shift operation.
4823 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4825 PR tree-optimization/26359
4826 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4828 2006-02-25 Roger Sayle <roger@eyesopen.com>
4830 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4831 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4832 as X == 0, and some symmetry related transformations.
4833 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4835 2006-02-25 Roger Sayle <roger@eyesopen.com>
4838 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4839 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4840 symmetry related transformations. Fold (X^C1) == C2 as
4843 2006-02-25 Juergen Weigert <jw@suse.de>
4844 Richard Guenther <rguenther@suse.de>
4846 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4848 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4850 * combine.c (gen_lowpart_or_truncate): Call
4851 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4853 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4855 * doc/invoke.texi: Move -fopenmp description to "Options for
4857 Remove reference to -lgomp.
4859 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4861 * doc/install.texi: Require GNU tar version 1.14.
4863 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4865 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4866 * doc/invoke.texi (C++ Dialect Options): Document
4867 -fno-use-cxa-get-exception-ptr.
4868 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4869 * configure: Regenerate.
4870 * c.opt (fuse-cxa-get-exception-ptr): New.
4871 * c-opts.c (c_common_handle_option): Handle
4872 OPT_fuse_cxa_get_exception_ptr.
4873 * c-common.c (flag_use_cxa_atexit): Update documentation.
4874 (flag_use_cxa_get_exception_ptr): New.
4875 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4876 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4878 (C_COMMON_OVERRIDE_OPTIONS): New.
4880 2006-02-24 Roger Sayle <roger@eyesopen.com>
4883 * combine.c (try_combine): Explicitly check whether GET_CODE is
4884 a SET or a CLOBBER, instead on checking that it isn't a USE.
4886 2006-02-24 Roger Sayle <roger@eyesopen.com>
4888 * fold-const.c (fold_comparison): New subroutine of fold_binary
4889 containing transformations common to both the equality and
4890 ordering relational operators, factored out of fold_binary.
4891 (fold_binary): Separate out the equality operators (EQ_EXPR
4892 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4893 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4894 transformations common to both.
4895 (fold_div_compare): Fix latent bugs in the previously unreachable
4896 LT_EXPR and GE_EXPR cases.
4898 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4900 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4901 decl libname for clog to __clog on AIX.
4903 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4905 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4908 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4909 output traceback table for thunks. Localise rs6000_stack_info call.
4911 2006-02-23 Roger Sayle <roger@eyesopen.com>
4912 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4914 * gthr-posix.h (__gthrw): Fix typo in comment.
4916 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4918 * doc/cpp.texi (Character sets): Document that we do support
4919 input files to be in any character set.
4921 2006-02-23 Jeff Law <law@redhat.com>
4923 * tree.h (PHI_ARG_NONZERO): Remove.
4924 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4925 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4926 node to the new node.
4928 PR tree-optimization/26425
4929 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4930 min/max, then assume its varying.
4932 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4934 PR rtl-optimization/26316
4935 * rtlanal.c (enum may_trap_p_flags): New.
4936 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4937 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4938 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4939 (may_trap_after_code_motion_p): New function.
4940 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4941 (find_invariant_insn): Use may_trap_after_code_motion_p.
4942 * rtl.h (may_trap_after_code_motion_p): Declare.
4944 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4946 * emit-rtl.c (immed_double_const): Cleanup.
4948 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4950 Fix PR tree-optimization/26376
4951 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4954 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4957 * gimplify.c (omp_add_variable): Guard variable size decl test with
4958 DECL_SIZE (decl) check.
4960 2006-02-23 Richard Guenther <rguenther@suse.de>
4963 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4964 like aggregate types.
4966 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4968 * configure.ac: Add --with{,out}-long-double-128 configure option.
4969 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4970 * configure: Rebuilt.
4971 * config.in: Rebuilt.
4972 * doc/install.texi (Options specification): Document
4973 --with-long-double-128.
4975 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4976 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4977 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4978 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4980 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4982 * config/s390/s390.c (override_options): Handle
4983 TARGET_DEFAULT_LONG_DOUBLE_128.
4985 * config/alpha/alpha.c (override_options): Handle
4986 TARGET_DEFAULT_LONG_DOUBLE_128.
4988 * config/sparc/sparc.c (sparc_override_options): Handle
4989 TARGET_DEFAULT_LONG_DOUBLE_128.
4991 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4993 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4994 (real-install-headers-tar, real-install-headers-cpio)
4995 (real-install-headers-cp): New targets.
4997 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4999 * tree.h (variable_section): Delete.
5000 * varasm.c (variable_section): Delete.
5002 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5004 * install.texi: Add notes on install.texi2html.
5005 (Building in parallel): Do not use footnotes.
5007 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5010 * doc/install.texi (Configuration): Document --disable-libgomp.
5012 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5014 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5016 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5018 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5019 (vec_extractv2df_0_sse): New.
5021 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5023 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5024 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5025 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5026 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5027 to the result of the expression.
5028 (def_cfa_1): Adjust.
5029 (frame_pointer_cfa_offset): Rename to...
5030 (frame_pointer_fb_offset): ... this. Adjust all uses.
5031 (convert_cfa_to_loc_list): Rename to...
5032 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5033 Pass it on to build_cfa_loc.
5034 (compute_frame_pointer_to_cfa_displacement): Rename to...
5035 (compute_frame_pointer_to_fb_displacement): ... this. New
5036 offset parameter. Use it in computation.
5037 (gen_subprogram_die): Compute cfa_fb_offset with the new
5038 macro, and use it to compute the fb loc list and the
5041 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5043 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5044 replaced with register_operand.
5045 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5046 non-DREG is expensive.
5047 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5048 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5051 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5053 * doc/install.texi2html: Use set -e.
5055 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5057 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5058 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5059 * doc/invoke.texi (-fshared-data): Delete.
5060 * common.opt (fshared-data): Delete.
5061 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5062 (assemble_static_space): Remove #if 0 code.
5063 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5064 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5065 * config/cris/cris.h: Remove FIXME.
5067 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5069 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5072 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5075 * combine.c (simplify_shift_const_1): Disable nested shifts
5076 optimization for vector shifts.
5078 2006-02-20 Roger Sayle <roger@eyesopen.com>
5080 PR tree-optimization/26361
5081 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5082 of unsigned integer types.
5084 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5086 * tree-chrec.c (eq_evolutions_p): New.
5087 * tree-chrec.h (eq_evolutions_p): Declared.
5088 * tree-data-ref.c: Fix formatting.
5089 (datadep_stats, dependence_stats): New.
5091 (print_direction_vector): New.
5092 (dump_data_dependence_relation): Use print_direction_vector.
5093 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5094 (compute_subscript_distance): Static.
5095 (initialize_data_dependence_relation): Static. Get the number
5096 of loops surrounding the references from the callers, and initialize
5097 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5098 base_object_differ_p analyzers.
5099 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5100 compute_overlap_steps_for_affine_1_2,
5101 analyze_subscript_affine_affine): Count the classified dependences.
5102 Print a message when a test failed.
5103 (can_use_analyze_subscript_affine_affine): New.
5104 (analyze_siv_subscript): Compute the data dependences on symbolic
5105 scevs that verify can_use_analyze_subscript_affine_affine.
5106 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5107 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5108 Handle symbolic scevs.
5109 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5111 (subscript_dependence_tester): Moved...
5112 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5113 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5114 DDR_SIZE_VECT instead of getting it in parameter.
5115 (subscript_dependence_tester): ... here. Take as a parameter
5116 loop_nest_depth. Call build_classic_dist_vector and
5117 build_classic_dir_vector.
5118 (compute_affine_dependence): Update subscript_dependence_tester
5119 parameters. Update datadep_stats counters. Call
5120 compute_subscript_distance.
5121 (compute_self_dependence): Save the dist and dir vectors. Call
5122 compute_subscript_distance.
5123 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5124 (compute_all_dependences): Reorder parameters as they were before
5125 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5126 compute_subscript_distance. Update the use of
5127 compute_affine_dependence and initialize_data_dependence_relation.
5128 (find_data_references_in_loop): Handle COMPONENT_REF.
5129 (compute_data_dependences_for_loop): Initialize dependence_stats.
5130 Don't call build_classic_dist_vector and build_classic_dir_vector.
5131 Update the parameters of initialize_data_dependence_relation and
5132 compute_all_dependences. Print the statistics from datadep_stats.
5133 (analyze_all_data_dependences): Static. Not used until the pass for
5134 checking the data dependences is contributed.
5135 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5136 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5137 (initialize_data_dependence_relation, compute_affine_dependence,
5138 analyze_all_data_dependences, compute_subscript_distance): Removed.
5139 (print_direction_vector): New.
5140 * lambda.h (gcd): ... here.
5141 (lambda_vector_gcd): Moved here from gcd_vector.
5142 * lambda-code.c (gcd, gcd_vector): Removed.
5143 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5144 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5146 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5148 * ipa-type-escape.c: Tidy some comments and white space.
5149 * tree-ssa-operands.c: Likewise.
5151 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5154 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5155 (dump_decl_name): Do not walk the decl tree chains.
5156 * tree-pass.h (TDF_CHAIN): Remove.
5158 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5160 * Makefile.in (C): Remove
5162 (.PHONY): Remove C and PROTO
5164 2006-02-20 Roger Sayle <roger@eyesopen.com>
5167 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5168 deprecated CHAR_TYPE tree code.
5170 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5172 * configure.ac (target_list): Add install-info, dvi, html.
5173 * configure: Regenerate.
5175 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5176 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5177 treelang/Make-lang.in: Do not use double-colon rules.
5179 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5181 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5182 (TMT_USED_ALONE): New macro.
5183 * tree-pass.h (PROP_tmt_usage): New property.
5184 (TODO_update_tmt_usage): New todo.
5185 * tree-ssa-alias.c (updating_used_alone): New variable.
5186 (recalculate_used_alone): New function.
5187 (compute_may_aliases): Set updating_used_alone, call
5188 recalculate_used_alone.
5189 * tree-sra.c (pass_sra): Note that this pass destroys
5190 PROP_tmt_usage, and add TODO_update_tmt_usage.
5191 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5192 * tree-flow.h (updating_used_alone): Prototype.
5193 (recalculate_used_alone): Ditto.
5194 * passes.c (execute_todo): Add code to set updating_used_alone,
5195 and call recalculate.
5196 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5197 for clobber if used alone, and add assert to verify used_alone
5200 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5202 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5203 for non tls symbols added.
5204 (legitimize_address): Do nothing for PLUS expressions if one of the
5205 addends is a tls symbol reference.
5207 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5211 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5213 * Makefile.in (BOOTSTRAPPING): New.
5214 (quickstrap): New definition if BOOTSTRAPPING=yes.
5216 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5217 * configure.ac: Substitute all_selected_languages with the languages
5218 that were configured. For all the other variables except
5219 lang_specs_files, include all the languages in the tree.
5220 * configure: Regenerate.
5222 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5223 if there is one. Run the commands to run fixincludes in the same
5226 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5227 * doc/install.texi: Document exact conventions for searching target tools.
5228 Document --with-build-time-tools. Document toplevel bootstrap. Document
5229 something more about building an Ada cross-compiler. Don't list GNU Make
5230 requirements which affect all platforms.
5232 2006-02-19 Roger Sayle <roger@eyesopen.com>
5235 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5236 only equivalent if the have both the same mode and precision.
5238 2006-02-20 Ben Elliston <bje@au.ibm.com>
5240 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5242 2006-02-19 Roger Sayle <roger@eyesopen.com>
5243 Steven Bosscher <stevenb.gcc@gmail.com>
5245 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5246 constant pool references to identify stack mode constants.
5247 * rtlanal.c (constant_pool_constant_p): New predicate to check
5248 whether operand is a floating point constant in the pool.
5249 * rtl.h (constant_pool_constant_p): Prototype here.
5250 * loop.c (scan_loop): Avoid hoisting constants from the constant
5251 pool on STACK_REGS targets.
5252 (load_mems): Likewise.
5253 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5254 loads into x87 registers expensive in terms of register pressure.
5256 2006-02-19 Roger Sayle <roger@eyesopen.com>
5258 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5259 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5261 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5263 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5264 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5266 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5268 * doc/invoke.texi: Document -fipa-pta.
5269 * common.opt: Add ipa-pta option.
5270 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5271 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5272 (do_ds_constraint): Ditto.
5273 (get_constraint_for): Only add to referenced_vars if
5274 referenced_vars exists.
5275 (insert_into_field_list): Rewrite to do this unsorted.
5276 (insert_into_field_list_sorted): Rename old insert_into_field_list
5278 (create_function_info_for): Use insert_into_field_list_sorted.
5279 (create_variable_info_for): Rewrite so it uses unsorted version,
5280 since the field list is sorted.
5281 (intra_create_variable_infos): Only add to referenced_vars if
5282 referenced_vars exists.
5283 (ipa_pta_execute): Init heapvars, and delete when done.
5284 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5286 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5288 * doc/install.texi: Add missing `@samp'.
5290 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5292 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5295 2006-02-18 Mark Wielaard <mark@klomp.org>
5297 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5298 who added new 4.1 features, bug fixes and integration support.
5300 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5303 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5306 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5308 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5309 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5310 (copy_insn_1): Likewise. Don't copy each field individually.
5312 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5314 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5315 * rtl.c (rtx_size): Rename variable to...
5316 (rtx_code_size): ...this.
5317 (rtx_size): New function.
5318 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5319 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5321 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5322 * rtl.h (rtx_code_size): New variable.
5323 (rtx_size): Change from a variable to a function.
5324 (RTX_SIZE): Rename to...
5325 (RTX_CODE_SIZE): ...this.
5328 PR tree-optimization/17106
5329 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5330 (Anchored Addresses): New section.
5331 * doc/invoke.texi (-fsection-anchors): Document.
5332 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5333 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5334 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5335 * hooks.c (hook_bool_mode_rtx_false): New function.
5336 * hooks.h (hook_bool_mode_rtx_false): Declare.
5337 * gengtype.c (create_optional_field): New function.
5338 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5339 SYMBOL_REF_IN_BLOCK_P is true.
5340 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5341 (min_anchor_offset, max_anchor_offset): Likewise.
5342 (use_anchors_for_symbol_p): New hook.
5343 * toplev.c (compile_file): Call output_object_blocks.
5344 (target_supports_section_anchors_p): New function.
5345 (process_options): Check that -fsection-anchors is only used on
5346 targets that support it and when -funit-at-a-time is in effect.
5347 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5348 if the decl doesn't have one.
5349 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5350 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5351 of force_const_mem through use_anchored_address.
5352 (expand_expr_constant): New function.
5353 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5354 calling expand_expr for INDIRECT_REF.
5355 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5356 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5357 * expr.h (use_anchored_address): Declare.
5358 * loop-unroll.c: Don't declare rtx vectors here.
5359 * explow.c: Include output.h.
5360 (validize_mem): Call use_anchored_address.
5361 (use_anchored_address): New function.
5362 * common.opt (-fsection-anchors): New switch.
5363 * varasm.c (object_block_htab, anchor_labelno): New variables.
5364 (hash_section, object_block_entry_eq, object_block_entry_hash)
5365 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5366 (use_blocks_for_decl_p, change_symbol_section): New functions.
5367 (get_variable_section): New function, split out from assemble_variable.
5368 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5369 use_blocks_for_decl_p say so. Use change_symbol_section if the
5370 symbol has already been created.
5371 (assemble_variable_contents): New function, split out from...
5372 (assemble_variable): ...here. Don't output any code for
5373 block symbols; just pass them to place_block_symbol.
5374 Use get_variable_section and assemble_variable_contents.
5375 (get_constant_alignment, get_constant_section, get_constant_size): New
5376 functions, split from output_constant_def_contents.
5377 (build_constant_desc): Create a block symbol if use_object_blocks_p
5378 says so. Or into SYMBOL_REF_FLAGS.
5379 (assemble_constant_contents): New function, split from...
5380 (output_constant_def_contents): ...here. Don't output any code
5381 for block symbols; just pass them to place_section_symbol.
5382 Use get_constant_section and get_constant_alignment.
5383 (force_const_mem): Create a block symbol if use_object_blocks_p and
5384 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5385 (output_constant_pool_1): Add an explicit alignment argument.
5386 Don't switch sections here.
5387 (output_constant_pool): Adjust call to output_constant_pool_1.
5388 Switch sections here instead. Don't output anything for block symbols;
5389 just pass them to place_block_symbol.
5390 (init_varasm_once): Initialize object_block_htab.
5391 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5392 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5393 (place_block_symbol, get_section_anchor, output_object_block)
5394 (output_object_block_htab, output_object_blocks): New functions.
5395 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5396 (TARGET_ASM_OUT): Include it.
5397 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5398 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5399 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5400 (TARGET_INITIALIZER): Include them.
5401 * rtl.c (rtl_check_failed_block_symbol): New function.
5402 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5403 (block_symbol, object_block): New structures.
5404 (rtx_def): Add a block_symbol field to the union.
5405 (BLOCK_SYMBOL_CHECK): New macro.
5406 (rtl_check_failed_block_symbol): Declare.
5407 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5408 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5409 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5410 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5411 * output.h (output_section_symbols): Declare.
5412 (object_block): Name structure.
5413 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5414 (default_use_anchors_for_symbol_p): Declare.
5415 * Makefile.in (RTL_BASE_H): Add vec.h.
5416 (explow.o): Depend on output.h.
5417 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5418 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5419 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5420 (rs6000_use_blocks_for_constant_p): New function.
5422 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5424 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5426 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5429 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5432 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5434 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5438 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5441 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5442 instead of DECL_REGISTER.
5444 2006-02-18 Olivier Hainque <hainque@adacore.com>
5447 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5449 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5452 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5453 * opth-gen.awk: Handle Var and InverseMask together.
5454 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5455 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5456 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5457 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5459 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5460 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5461 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5462 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5463 LINUX_DYNAMIC_LINKER): Define.
5464 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5465 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5467 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5468 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5469 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5470 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5471 (TARGET_C99_FUNCTIONS): Don't define.
5472 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5473 GLIBC_DYNAMIC_LINKER.
5474 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5475 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5476 GLIBC_DYNAMIC_LINKER64): Define.
5477 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5478 LINUX_DYNAMIC_LINKER64.
5479 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5480 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5481 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5482 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5483 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5484 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5485 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5486 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5487 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5488 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5489 and LINUX_DYNAMIC_LINKER32.
5490 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5491 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5492 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5493 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5494 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5496 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5497 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5498 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5499 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5500 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5501 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5502 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5503 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5504 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5505 LINUX_DYNAMIC_LINKER): Define.
5506 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5507 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5508 GLIBC_DYNAMIC_LINKER64): Define.
5509 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5510 LINUX_DYNAMIC_LINKER64.
5511 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5512 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5513 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5514 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5515 LINUX_DYNAMIC_LINKER): Define.
5516 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5517 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5518 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5519 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5520 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5521 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5522 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5523 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5524 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5525 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5526 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5527 * doc/invoke.texi (-muclibc): Remove caveat about supported
5530 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5532 * doc/cpp.texi (__TIMESTAMP__): Document.
5534 2006-02-17 Roger Sayle <roger@eyesopen.com>
5537 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5538 C is one less than the width of X (and related transformations).
5539 * simplify-rtx.c (simplify_unary_operation_1): Transform
5540 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5541 depending on STORE_FLAG_VALUE, were C is one less then the
5544 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5546 Fix PR tree-optimization/26341
5547 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5548 about NAME_MEMORY_TAG's.
5550 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5553 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5554 with hardware float support, and software float support. Add fcpy
5555 alternative to hardware patterns. Add alternatives to copy between
5556 general and floating-point registers to the 32-bit pattern.
5557 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5558 secondary reload to load a QI or HI mode constant into a floating
5560 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5561 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5563 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5566 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5568 (load_macho_picbase_di): Likewise.
5570 2006-02-16 Jeff Law <law@redhat.com>
5572 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5573 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5574 (ssa_name_nonzero_p): Likewise.
5575 (get_value_range): Return NULL if VRP is not running.
5576 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5577 VRP routines do not discover a range.
5578 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5579 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5580 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5581 (tree_expr_nonnegative_p): Similarly.
5582 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5583 (restore_nonzero_vars_to_original_value): Remove.
5584 (unsafe_associative_fp_binop): Remove.
5585 (tree_ssa_dominator_optimize): Remove initialization and
5586 finalization of nonzero_vars and nonzero_vars_stack.
5587 (dom_opt_initialize_block): No longer push marker on
5589 (dom_opt_finalize_block): No longer call
5590 restore_nonzero_vars_to_original_value.
5591 (record_equivalences_from_phis): No longer look for
5592 nonzero PHI arguments.
5593 (cprop_into_successor_phis): No longer propagate nonzero
5594 property into PHI arguments. Lose unused argument. Caller
5596 (record_equivalences_from_stmt): No longer record nonzero
5597 values for SSA_NAMEs.
5598 (lookup_avail_expr): No longer use nonzero_vars.
5600 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5601 for sizetype when sizetype is unsigned.
5603 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5605 PR rtl-optimization/25603
5606 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5607 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5608 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5609 with new meaning of SETS.
5611 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5616 * config/linux.opt: New file.
5617 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5618 LINUX_DYNAMIC_LINKER): Define.
5619 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5620 * config.gcc (*-*-linux*): Define extra_options.
5621 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5622 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5623 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5624 GLIBC_DYNAMIC_LINKER.
5625 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5626 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5627 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5628 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5629 * doc/invoke.texi (GNU/Linux Options): New section.
5631 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5633 * config/sparc/sparc.md (setjmp): Rewrite.
5634 (setjmp_32): Delete.
5635 (setjmp_64): Likewise.
5637 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5639 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5642 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5644 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5647 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5649 PR rtl-optimization/26296
5650 * Makefile.in (loop-invariant.c): Add except.h dependency.
5651 * loop-invariant.c: Include except.h.
5652 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5654 2005-02-16 Paul Brook <paul@codesourcery.com>
5656 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5659 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5661 PR rtl-optimization/25636
5662 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5663 when deciding whether an insn is an initializing insn.
5665 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5667 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5668 (tree_code_size): Ditto.
5669 * tree.h (struct tree_memory_tag): Remove parent_var.
5670 (struct tree_struct_field_tag): New.
5673 (union tree_node): Add sft member.
5674 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5676 (create_sft): Add size and offset argument, set SFT_OFFSET and
5678 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5679 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5680 * tree-flow-inline.h (get_subvar_at): Update for
5681 SFT_OFFSET/SFT_SIZE.
5682 (var_can_have_subvars): Ditto.
5683 (overlap_subvar): Ditto.
5684 * print-tree.c (print_node): Print out interesting things for
5686 * tree-flow.h (struct subvar): Remove offset and size members.
5687 * tree-ssa-operands.c (get_expr_operands): Update for
5688 get_indirect_ref_operands changes.
5689 (get_indirect_ref_operands): Call add_virtual_operand instead of
5690 add_stmt_operand. Only recurse on base var if requested.
5691 (access_can_touch_variable): New function.
5692 (add_stmt_operand): Split virtual operand handling into ...
5693 (add_virtual_operand): Here. Add offset, size, and for_clobber
5694 arguments. Prune alias sets.
5695 (add_call_clobber_ops): Call add_virtual_operand.
5697 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5700 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5702 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5703 than TREE_CODE as index into omp_clause_num_ops array.
5705 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5707 PR rtl-optimization/26184
5708 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5710 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5711 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5712 must_precede, must_follow and tobe_scheduled.
5715 * opts.c (common_handle_option): Free new_option pointer.
5716 * df-core.c (df_analyze): Free postorder pointer.
5718 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5720 * Makefile.in: Fix the examples about the use of stamps
5722 2006-02-15 Michael Matz <matz@suse.de>
5726 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5727 influenced by maximum_field_alignment or DECL_PACKED.
5728 (update_alignment_for_field): Ditto.
5729 (place_field): Ditto.
5730 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5733 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5735 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5736 (debug_flow_info): Pass it.
5737 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5738 * bb-reorder.c (reorder_basic_blocks): Likewise.
5739 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5740 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5741 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5742 * gcse.c (gcse_main, bypass_jumps): Likewise.
5743 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5744 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5745 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5746 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5747 * rtl.h (dump_flow_info): Adjust prototype.
5748 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5749 * var-tracking.c (variable_tracking_main): Likewise.
5750 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5751 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5754 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5756 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5759 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5761 PR tree-optimization/26209
5762 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5763 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5765 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5767 2006-02-14 Roger Sayle <roger@eyesopen.com>
5770 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5771 (X,Y) and the corresponding symmetry related transformations.
5772 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5773 (X,Y) and its symmetry related transformations.
5775 2006-02-14 Roger Sayle <roger@eyesopen.com>
5777 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5780 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5782 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5784 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5787 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5788 support COMDAT group.
5789 * configure: Regenerate.
5791 2006-02-14 Roger Sayle <roger@eyesopen.com>
5796 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5798 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5800 Fix PR tree-optimization/26260
5802 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5804 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5805 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5806 * tree-ssa-structalias.c (create_variable_info_for): Use
5807 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5809 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5811 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5813 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5814 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5815 of the ending condition.
5816 * tree-ssa-loop-manip.c: Include params.h.
5817 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5818 tree_unroll_loop): New functions.
5819 * tree-pass.h (pass_loop_prefetch): Declare.
5820 * loop.c (rest_of_handle_loop_optimize): Test for
5821 -fprefetch-loop-arrays-rtl.
5822 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5823 * timevar.def (TV_TREE_PREFETCH): New timevar.
5824 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5825 pass_loop_prefetch): New.
5826 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5827 (cleanup_tree_cfg_loop): Call scev_reset.
5828 * common.opt (fprefetch-loop-arrays-rtl): Add.
5829 * tree-ssa-loop-prefetch.c: New file.
5830 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5831 (new_temp_expr_table): Initialize expr_vars.
5832 (free_temp_expr_table): Cleanup expr_vars.
5833 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5834 expressions from being merged into one.
5835 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5836 (struct tree_niter_desc): Add control, bound and cmp fields.
5837 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5839 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5840 (tree-cfgcleanup.o): Add SCEV_H dependency.
5841 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5842 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5844 2006-02-14 Richard Guenther <rguenther@suse.de>
5846 PR tree-optimization/26258
5847 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5848 in PHI argument processing.
5850 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5852 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5853 new expression in the requested machine mode.
5855 2006-02-13 Roger Sayle <roger@eyesopen.com>
5857 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5858 directly, instead let do_compare_rtx_and_jump handle this for us.
5859 * expr.c (expand_expr_real_1): Likewise.
5860 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5861 before do_jump_by_parts_greater.
5862 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5863 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5865 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5867 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5869 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5871 PR rtl-optimization/26235
5872 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5873 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5876 2006-02-13 Jeff Law <law@redhat.com>
5878 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5881 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5884 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5885 twice if decl is a builtin. When trying again, call get_callee_fndecl
5886 first to verify it is still a builtin.
5888 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5890 * dwarf2out.c (base_type_die): Don't add AT_name here.
5891 (subrange_type_die): Don't add AT_name here.
5892 (modified_type_die): Rearrange code flow. Do add AT_name here.
5894 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5896 PR rtl-optimization/26247
5897 PR rtl-optimization/26248
5898 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5900 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5902 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5903 * config/fixtfdi.c: Likewise.
5904 * config/fixunstfdi.c: Likewise.
5905 * config/floatditf.c: Likewise.
5907 2006-02-13 Roger Sayle <roger@eyesopen.com>
5910 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5911 into (X,C2) if C1 is a subset of the bits of C2. Transform
5912 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5914 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5916 2006-02-13 Josh Conner <jconner@apple.com>
5919 * varasm.c (function_section): Check for section name before
5920 calling select_section on targets that define
5921 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5922 unlikely_text_section instead of hot_function_section if
5923 first_function_block_is_cold.
5925 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5928 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5930 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5932 PR rtl-optimization/26222
5933 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5934 after tree->rtl expansion.
5935 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5936 before passing it to emit_move_insn.
5938 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5940 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5942 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5943 Clarify documentation.
5944 * c-common.h (warn_write_strings): Remove.
5945 * c-common.c (warn_write_strings): Likewise.
5946 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5949 2006-02-12 Roger Sayle <roger@eyesopen.com>
5952 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5953 (do_jump_parts_zero_rtx): New function renamed from
5954 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5955 (do_jump_parts_equality_rtx): New function split out from
5956 do_jump_parts_equality. Old implementation renamed as above.
5957 Call do_jump_parts_zero_rtx if either operand is zero.
5958 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5959 do all of the heavy lifting.
5960 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5961 calling either do_jump_by_parts_greater_rtx or
5962 do_jump_by_parts_equality_rtx.
5963 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5964 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5965 moved to do_compare_rtx_and_jump, call it directly.
5966 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5967 mode argument. Call do_compare_rtx_and_jump.
5968 (emit_case_nodes): Update calls to do_jump_if_equal.
5970 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5972 PR rtl-optimization/26225
5973 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5975 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5977 PR rtl-optimization/26232
5978 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5980 2006-02-11 Jason Merrill <jason@redhat.com>
5983 * tree-inline.c (declare_return_variable): Just don't use the
5984 modify target if it's a gimple complex reg and the return slot
5987 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5989 * doc/contrib.texi: Update my entry.
5991 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5993 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5995 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5997 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6000 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6002 * doc/invoke.texi (-floop-optimize2): Removed.
6003 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6004 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6005 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6006 * common.opt (floop-optimize2): Removed.
6007 (fmove-loop-invariants): Enabled by default.
6009 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6011 * tree-if-conv.c (combine_blocks): Free the result of
6012 get_loop_exit_edges.
6014 2006-02-10 Jeff Law <law@redhat.com>
6016 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6018 PR tree-optimization/26213
6019 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6020 loop trying to follow SSA_NAME_VALUE chains.
6022 2006-02-10 Richard Guenther <rguenther@suse.de>
6024 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6025 deal with structures that end in implicitly variable sized arrays.
6027 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6029 PR rtl-optimization/24762
6030 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6033 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6035 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6036 (struct ivopts_data): Add regs_used field.
6037 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6038 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6039 instead of loop_data->regs_used;
6040 (free_loop_data): Do not free aux fields for loops.
6041 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6042 and tree_ssa_iv_optimize_finalize.
6044 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6046 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6048 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6051 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6052 computing the effective result type.
6054 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6057 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6058 (tree_overlaps_hard_reg_set): Declare.
6059 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6060 type and signature to match function type expected by walk_tree.
6061 (tree_overlaps_hard_reg_set): New function.
6062 (decl_conflicts_with_clobbers_p): Rename to:
6063 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6064 Use tree_overlaps_hard_reg_set. Changed caller.
6065 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6066 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6067 * cris.c (cris_md_asm_clobbers): Likewise.
6069 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6071 * reload1.c (emit_input_reload_insns): Delete code that tries to
6072 inherit using find_equiv_reg.
6074 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6076 * c-common.h (flag_const_strings): Don't declare.
6077 * c-common.c (flag_const_strings): Remove.
6078 * c.opt (fconst_strings): Remove.
6079 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6080 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6081 (c_common_init_options): Don't set flag_const_strings.
6082 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6084 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6086 * arm.md (tlobits_cbranch): New pattern.
6087 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6088 testing a single bit.
6090 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6093 * tree-ssa-pre.c (create_component_ref_by_pieces):
6094 Handle RETURN_DECL like VAR_DECL.
6096 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6099 * fold-const.c (fold_indirect_ref_1): Fold
6100 "*(foo *)&complexfoo" to "__real__ complexfoo"
6101 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6103 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6105 * tree-flow-inline.h (var_can_have_subvars):
6106 Volatile variables should not have subvariables.
6108 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6111 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6112 multiplying unsigned values.
6115 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6117 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6119 2006-02-08 Jason Merrill <jason@redhat.com>
6122 * tree.def: Elaborate on difference from MODIFY_EXPR.
6123 * doc/c-tree.texi (INIT_EXPR): Likewise.
6124 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6125 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6126 (gimplify_target_expr): Likewise.
6127 (gimplify_cond_expr): Remove target handling.
6128 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6129 (gimplify_expr): Clobber it here.
6130 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6131 Do return slot optimization if we have an INIT_EXPR.
6134 * tree-inline.c (declare_return_variable): Also clear
6135 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6138 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6141 * gimplify.c (gimplify_one_sizepos): Fix typo.
6143 2006-02-08 Jeff Law <law@redhat.com>
6145 PR tree-optimization/21417
6146 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6147 across a backedge if the control statement at the end of the
6148 block is data dependent on other statements in the same block.
6149 (record_temporary_equivalences_from_stmts): Remove over-conservative
6150 test for threading across backedges.
6152 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6153 control statement, handle all three special cases in the same
6154 manner as they all have the same desired solution. No longer
6155 special case edge flag updating when the post dominator is
6158 2006-02-08 Roger Sayle <roger@eyesopen.com>
6160 * tree.def (CHAR_TYPE): Remove.
6161 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6162 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6163 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6164 (gen_string_type_die): Delete unreachable function.
6166 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6167 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6168 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6169 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6170 * builtins.c (type_to_class): Likewise.
6171 * fold-const.c (fold_convert, build_range_check,
6172 merge_ranges): Likewise.
6173 * expr.c (count_type_elements): Likewise.
6174 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6175 * stor-layout.c (layout_type): Likewise.
6176 * ipa-type-escape.c (type_to_consider): Likewise.
6177 * gimplify.c (omp_firstprivatize_type_sizes,
6178 gimplify_type_sizes): Likewise.
6179 * explow.c (promote_mode): Likewise.
6180 * tree-sra.c (is_sra_scalar_type): Likewise.
6181 * varasm.c (output_constant): Likewise.
6182 * tree-inline.c (remap_type_1): Likewise.
6183 * convert.c (convert_to_pointer, convert_to_real,
6184 convert_to_integer, convert_to_complex): Likewise.
6186 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6188 * df-scan.c (df_def_record_1): A set destination may
6189 be a parallel regardless of mode.
6191 2006-02-08 Roger Sayle <roger@eyesopen.com>
6194 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6195 * config/mips/_tilib.c: Remove.
6196 * config/fixtfdi.c: New libgcc source file.
6197 * config/fixunstfdi.c: New source file.
6198 * config/floatditf.c: New source file.
6199 * config/floatunditf.c: New souce file.
6200 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6201 files above instead of config/mips/_tilib.c.
6202 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6204 2006-02-08 Jeff Law <law@redhat.com>
6206 PR tree-optimization/26169
6207 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6210 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6212 * df.h (DF_REG_SIZE): Return the length of the initialized
6215 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6217 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6218 __muldf3): Return a correctly signed zero.
6220 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6222 * passes.c (register_one_dump_file): Accept the current properties
6223 instead of pass number. Adjust call to dump_register. Remove
6225 (register_dump_files): Now a wrapper around...
6226 (register_dump_files_1): ... this one. Do not modify the pass
6228 (next_pass_1): Cosmetic fix.
6229 (execute_todo): Keep second parameter only. Use curr_properties
6230 instead of fetching it from the pass structure. Check and set
6232 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6233 instead of fetching it from the pass structure. Fix calls to
6234 execute_todo. Update curr_properties and initialize .vcg RTL dump
6235 after running the pass. Reset last_verified.
6236 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6238 (FIRST_AUTO_NUMBERED_DUMP): New.
6239 (dump_register): Remove "num" parameter, assign it within the
6241 (get_dump_file_name): Modify template for dumps.
6242 * tree-dump.h (dump_register): Adjust prototype.
6243 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6244 (PROP_trees): Add PROP_gimple_lomp.
6245 (TODO_set_props): New.
6246 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6247 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6248 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6250 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6252 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6253 (sparc64-*-linux*): Likewise.
6254 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6255 * config/sparc/t-linux: New file.
6256 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6257 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6258 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6259 -m32 -mlong-double-128.
6261 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6262 * config/alpha/t-linux: New file.
6263 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6265 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6266 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6267 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6268 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6269 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6270 (CPP_ARCH32_SPEC): Remove.
6272 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6274 PR tree-optimization/26145
6275 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6278 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6281 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6282 >= 240000 when generating code for SOM runtime.
6283 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6284 to $$dyncall when generating code for SOM runtime..
6286 2006-02-07 Dirk Mueller <dmueller@suse.com>
6289 * doc/invoke.texi (-Wsequence-point): Update documentation
6290 that -Wsequence-point is implemented for C++ as well.
6292 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6294 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6295 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6296 (LIB_SPEC): Likewise.
6297 * doc/invoke.texi (SPARC options): Document -pthread.
6299 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6301 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6304 2006-02-07 Roger Sayle <roger@eyesopen.com>
6306 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6307 Correct comment describing BOOLEAN_TYPE.
6309 2006-02-07 Dirk Mueller <dmueller@suse.com>
6311 * c.opt: C++ frontend supports -Wdiv-by-zero.
6312 * c-opts.c (c_common_handle_option): Remove dead case.
6314 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6316 * configure.ac (TLS assembler check): Do not enable TLS by
6317 default on SPARC/Solaris before version 10.
6318 * configure: Regenerate.
6320 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6322 * doc/invoke.texi (xl-compat): Document conversion and support
6325 2006-02-07 Jeff Law <law@redhat.com>
6327 * tree-vrp.c (find_conditional_asserts): Update comments.
6328 (simplify_stmt_for_jump_threading): New.
6329 (identify_jump_threads, finalize_jump_threads): New.
6330 (vrp_finalize): Call identify_jump_threads.
6331 (execute_vrp): Call finalize_jump_threads.
6332 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6333 (vrp_element, vrp_data, vrp_element_p): Remove.
6334 (vrp_hash_elt, vrp_variables_stack): Remove.
6335 (vrp_hash, vrp_eq, record_range): Remove.
6336 (simplify_cond_and_lookup_avail_expr): Remove.
6337 (extract_range_from_cond): Remove.
6338 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6339 (simplify_stmt_for_jump_threading): New.
6340 (dom_thread_across_edge): New wrapper.
6341 (tree_ssa_dominator_optimize): No longer initialize or
6342 finalize any of the VRP datastructures. Remove iteration
6343 step and simplify as a result of removal of iteration step.
6344 (pass_dominator): Perform a cfg cleanup after DOM.
6345 (dom_opt_finalize_block): Use the new common routines
6346 for threading jumps. Simplify stack management slightly.
6347 No longer need to unwind VRP state.
6348 (record_equivalences_from_incoming_edge): No longer record
6350 (eliminate_redundant_computations): No longer call
6351 simplify_cond_and_lookup_avail_expr.
6352 * tree-flow.h (potentially_threadable_block): Prototype.
6353 (thread_across_edge): Likewise.
6354 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6355 (tree-ssa-threadedge.o): Add dependencies.
6356 * tree-ssa-threadedge.c: New file.
6357 * passes.c (init_optimization_passes): Merge PHIs before
6358 calling VRP. Run VRP again late in the SSA optimization pipeline.
6360 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6362 * df-core.c (df_set_blocks): Do not dereference function pointers.
6363 (df_finish1): Likewise.
6364 (df_hybrid_search_forward): Likewise.
6365 (df_hybrid_search_backward): Likewise.
6366 (df_iterative_dataflow): Likewise.
6367 (df_analyze_problem): Likewise.
6368 (df_compact_blocks): Likewise.
6369 (df_dump): Likewise.
6370 * df-scan.c (df_rescan_blocks): Likewise.
6371 (df_record_entry_block_defs): Likewise.
6373 * genconditions.c (write_conditions): Guard the definition of
6374 'insn_conditions' with the check on GCC version.
6375 (write_writer): Guard the traversal 'insn_conditions' with
6376 the check on GCC version.
6378 2006-02-07 Richard Guenther <rguenther@suse.de>
6382 2006-01-30 Richard Guenther <rguenther@suse.de>
6384 * gimplify.c (gimplify_target_expr): Handle easy cases
6385 without creating a temporary.
6387 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6389 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6390 use of float in probability computations. Use edge probabilities
6391 in place of statically computed probabilities.
6392 (min_spec_prob): New static variable.
6393 (schedule_insns): Initialize it.
6394 (GET_SRC_PROB): Removed.
6395 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6397 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6400 * config/ia64/unwind-ia64.c: Revert last change.
6401 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6402 (INCOMING_FRAME_SP_OFFSET): Define.
6404 2006-02-06 Roger Sayle <roger@eyesopen.com>
6406 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6408 2006-02-07 Ben Elliston <bje@au.ibm.com>
6410 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6411 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6412 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6413 (ix86_return_in_memory): Handle TDmode.
6414 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6415 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6417 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6419 * reorg.c (dbr_schedule): Use dump_file instead of file.
6421 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6424 * config/ia64/predicates.md (extr_len_operand): New predicate.
6425 * config/ia64/ia64.md (extv): Tighten constraints.
6427 (*tbit_and_2): Ditto.
6428 (*tbit_and_3): Ditto.
6429 (*tbit_or_2): Ditto.
6430 (*tbit_or_3): Ditto.
6434 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6437 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6439 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6441 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6442 loop_optimizer_init and loop_optimizer_finalize
6443 * tree-ssa-sink.c (execute_sink_code): Ditto.
6444 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6445 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6446 tree_ssa_loop_done): Ditto.
6447 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6448 * sched-ebb.c: Include output.h.
6449 (schedule_ebbs): Do not use dump argument.
6450 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6451 * loop.c (loop_dump_stream): Removed.
6452 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6454 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6455 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6456 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6457 loop_iterations, strength_reduce, record_biv, record_giv,
6458 final_giv_value, check_final_value, check_ext_dependent_givs,
6459 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6460 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6461 dump_file instead of loop_dump_stream.
6462 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6464 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6466 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6467 * haifa-sched.c: Include output.h
6468 (schedule_insns, sched_init): Do not use dump argument.
6469 * mode-switching.c (optimize_mode_switching): Ditto.
6470 * modulo-sched.c (stats_file): Removed.
6471 (print_node_sched_params): Do not call argument dump_file.
6472 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6473 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6475 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6477 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6478 rtl_loop_init, rtl_loop_done): Ditto.
6479 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6480 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6482 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6483 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6484 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6485 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6486 * emit-rtl.c (renumber_insns): Ditto.
6487 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6488 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6489 * regclass.c (regclass): Ditto.
6490 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6491 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6492 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6493 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6495 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6496 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6498 * gcse.c (gcse_file, debug_stderr): Removed.
6499 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6500 rest_of_handle_gcse): Do not use dump argument.
6501 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6502 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6503 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6504 compute_code_hoist_vbeinout, compute_code_hoist_data,
6505 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6506 compute_store_table, build_store_vectors, insert_insn_start_bb,
6507 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6508 store_motion): Use dump_file instead of gcse_file.
6509 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6510 * profile.c (profile_dump_file): Removed.
6511 (branch_prob): Use dump_file instead of profile_dump_file.
6512 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6514 * tree-ssa-copy.c (dump_copy_of): Ditto.
6515 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6516 dump file to life_analysis.
6517 * bt-load.c (branch_target_load_optimize): Ditto.
6518 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6520 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6521 regclass, dbr_schedule): Declaration changed.
6522 * sched-int.h (sched_init): Declaration changed.
6523 * tree-profile.c (tree_profile_dump_file): Removed.
6524 (tree_profile_hooks): Removed profile_dump_file hook.
6525 * rtl-profile (rtl_profile_dump_file): Removed.
6526 (rtl_profile_hooks): emoved profile_dump_file hook.
6527 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6529 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6530 * tree-cfg.c (build_tree_cfg): Ditto.
6531 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6532 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6533 Declaration changed.
6534 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6535 life_analysis and schedule_insns.
6536 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6538 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6540 * config/mips/mips.c (mips_reorg): Ditto.
6541 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6544 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6546 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6547 (s390_mangle_fundamental_type): New.
6548 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6551 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6552 (alpha_mangle_fundamental_type): New.
6553 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6556 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6558 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6560 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6561 (sparc_mangle_fundamental_type): New.
6563 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6565 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6566 (s390x-*-linux*): Likewise.
6567 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6568 * config/s390/t-linux: New file.
6570 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6572 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6573 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6575 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6577 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6578 (ANTIC_SAFE_LOADS): New macro.
6579 (find_or_generate_expression): Add prototype.
6580 (set_contains_value): Allow null set for sake of not always having
6581 to allocate ANTIC_SAFE_LOADS.
6582 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6583 Allow COMPONENT_REF too.
6584 (valid_in_set): Allow COMPONENT_REF.
6585 Check ANTIC_SAFE_LOADS too.
6586 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6587 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6589 (can_PRE_operation): Add COMPONENT_REF.
6590 (create_component_ref_by_pieces): New function.
6591 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6592 (insert_aux): Move AGGREGATE_TYPE_P check here.
6593 (compute_avail): Set bb local stmt uids.
6594 (pass_pre): Use TODO_update_ssa_only_virtuals.
6596 2006-02-06 Ben Elliston <bje@au.ibm.com>
6598 * configure.ac: Unconditionally disable decimal float by default.
6599 * configure: Regenerate.
6601 2006-02-06 Ben Elliston <bje@au.ibm.com>
6603 * read-rtl.c (read_name): Terminate reading on EOF.
6605 2006-02-06 Ben Elliston <bje@au.ibm.com>
6607 * dfp.c (decimal_real_arithmetic): Change second argument type
6608 from int to enum tree_code. Do not always return true, but now
6609 return result of any call to decimal_do helper functions.
6610 * dfp.h (decimal_real_arithmetic): Update prototype.
6612 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6614 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6616 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6619 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6622 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6624 * tree-vrp.c (cfg_loops): Removed.
6625 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6626 Use current_loops instead of cfg_loops. Pass flags to
6627 loop_optimizer_init.
6628 * cfgloopmanip.c (fix_loop_structure): Update only available
6630 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6631 loop_optimizer_init.
6632 * modulo-sched.c (build_loops_structure): Removed.
6633 (sms_schedule): Use loop_optimizer_init.
6634 * loop-init.c (loop_optimizer_init): Use flags to determine
6635 which properties of loops to prepare.
6636 (rtl_loop_init): Pass flags to loop_optimizer_init.
6637 * tree-ssa-sink.c (execute_sink_code): Ditto.
6638 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6639 * tree-ssa-pre.c (init_pre): Ditto.
6640 * cfgloop.h (LOOPS_NORMAL): New.
6641 (loop_optimizer_init): Declaration changed.
6643 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6645 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6646 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6648 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6650 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6652 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6653 * pa/t-pa64: Delete quadlib.c rule.
6654 * pa/x-ada: Revert last change.
6655 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6657 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6659 PR rtl-optimization/26087
6660 * rtlanal.c (canonicalize_condition): Do not cross basic block
6663 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6666 * config/ia64/ia64.c: Include debug.h.
6667 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6668 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6669 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6670 (process_epilogue, process_set, process_for_unwind_directive):
6671 Output unwind info only if requested. Add CFA info if requested.
6672 Add new arguments as needed. Adjust callers.
6673 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6675 (DWARF2_FRAME_INFO): Define to zero.
6676 * config/ia64/unwind-ia64.c: Remove code that compensated for
6677 the CFA offset error fixed above.
6678 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6679 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6680 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6681 -funwind-tables and -fexceptions to enable frame info.
6682 (dwarf2out_frame_init): Define initial CFA even if
6683 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6684 DWARF2_UNWIND_INFO is nonzero, not just defined.
6685 (dwarf2out_frame_finish): Output non-EH call frame info only
6686 if DWARF2_FRAME_INFO is nonzero.
6687 (convert_cfa_to_loc_list,
6688 compute_frame_pointer_to_cfa_displacement): Define even if
6689 unwind info is not supported.
6690 (gen_subprogram_die): Use the above unconditionally. Remove
6691 legacy alternate code.
6692 * toplev.c (compile_file): Compile in call to
6693 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6694 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6696 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6697 Jakub Jelinek <jakub@redhat.com>
6699 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6700 IBM extended float format long double as "g" on powerpc*-linux.
6702 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6705 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6706 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6708 2006-02-03 Jason Merrill <jason@redhat.com>
6711 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6714 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6715 on the return slot if it's an NRV.
6717 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6719 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6720 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6721 rewrite_use): Do not handle USE_OUTER.
6722 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6723 add_iv_outer_candidates, may_replace_final_value,
6724 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6725 (find_interesting_uses_op): Functionality of
6726 find_interesting_uses_outer_or_nonlin moved here.
6727 (find_interesting_uses_outside): Use find_interesting_uses_op.
6729 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6732 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6734 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6735 Ulrich Weigand <uweigand@de.ibm.com>
6738 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6739 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6740 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6741 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6743 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6744 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6745 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6746 Define secondary reloads for TFmode moves.
6747 (constant_modes): Add TFmode.
6748 (NR_C_MODES): Set to 8.
6749 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6751 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6752 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6753 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6754 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6755 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6756 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6757 (FPR mode macro): Add TFmode.
6758 (DSF mode macro): New.
6759 (<de>, <dee> mode attributes): Removed.
6760 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6761 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6762 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6763 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6764 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6765 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6766 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6767 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6768 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6769 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6770 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6771 "*negabs<mode>2", "sqrt<mode>2"):
6772 Changed <de> to <xde>. R constraint replaced by <Rf>.
6773 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6775 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6776 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6777 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6779 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6780 "extenddftf2", "extendsftf2"): New expanders.
6781 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6782 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6783 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6784 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6786 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6787 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6788 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6789 __floatditf): Add a GCC_4.1.0 symbol version tag.
6790 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6793 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6796 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6797 Use targetm.binds_local_p instead of TREE_PUBLIC.
6799 2006-02-02 Roger Sayle <roger@eyesopen.com>
6801 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6802 on INTEGER_TYPEs to indicate that it denotes a character type.
6803 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6804 signed_char_type_node, unsigned_char_type_node and char_type_node.
6805 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6806 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6807 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6809 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6810 Daniel Berlin <dberlin@dberlin.org>
6812 * tree-tailcall.c (arg_needs_copy_p): New function.
6813 (eliminate_tail_call): Use arg_needs_copy_p.
6814 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6815 (add_virtual_phis): New function.
6817 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6819 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6820 #ignore instead of #scratch for %g7 .register directive.
6822 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6824 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6827 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6829 * flow.c (calculate_global_regs_live): Assert that there aren't any
6832 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6834 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6836 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6837 bsi_after_labels iterator.
6838 * tree-if-conv.c (find_phi_replacement_condition,
6839 replace_phi_with_cond_modify_expr): Likewise.
6840 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6841 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6843 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6845 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6847 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6850 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6851 array after growing it.
6853 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6856 * fold-const.c (fold_checksum_tree): Change type of buf.
6858 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6860 * reload.c (push_secondary_reload): Initialize t_icode.
6862 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6864 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6865 -msoft-float -mlong-double-128 only issue a warning, but don't
6866 swich to DFmode long double.
6868 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6870 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6871 has a constant equivalent, iterate over equivalents for arg0,
6872 calling simplify_relational_operation and if there's a result
6873 cheaper than X, apply fold_rtx and return the result.
6875 2006-02-01 Jan Hubicka <jh@suse.cz>
6877 * opts.c (no_unit_at_a_time_default): New global variable.
6878 (decode_options): Use it.
6879 * opts.h (no_unit_at_a_time_default): Declare.
6881 2006-02-01 Paul Brook <paul@codesourcery.com>
6883 * function.c (assign_parm_setup_reg): Use function argument promotion
6885 * expr.c (expand_expr_real_1): Use function argument promotion rules
6888 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6890 * gcc.c (process_command): Change j to 'unsigned int'.
6892 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6895 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6896 Use the corrected index for the character
6897 out of the string constant.
6899 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6901 * mode-switching.c (optimize_mode_switching): Fix size
6902 allocated for bb_info[n_entities].
6904 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6906 * gcc.c (main): Correct type that is allocated for
6907 explicit_link_files.
6909 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6911 * config/s390/s390.c (init_alignment_context): Set
6912 ALIAS_SET_MEMORY_BARRIER on the MEM.
6913 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6915 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6918 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6920 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6923 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6925 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6926 * regrename.c: Ditto.
6927 * tree-ssa-loop-im.c: Ditto.
6928 * tree-dump.c: Ditto.
6929 * tree-complex.c: Ditto.
6930 * genrecog.c: Ditto.
6931 * tree-ssa-threadupdate.c: Ditto.
6933 * java/class.c: Ditto.
6934 * java/jcf-parse.c: Ditto.
6935 * java/resource.c: Ditto.
6936 * java/except.c: Ditto.
6937 * java/jvspec.c: Ditto.
6938 * java/jcf-write.c: Ditto.
6939 * java/jcf-path.c: Ditto.
6940 * java/gjavah.c: Ditto.
6941 * java/zextract.c: Ditto.
6942 * java/jcf-io.c: Ditto.
6943 * java/jcf.h: Ditto.
6944 * java/buffer.c: Ditto.
6945 * java/lang.c: Ditto.
6946 * java/parse-scan.y: Ditto.
6947 * java/lex.c: Ditto.
6948 * java/lex.h: Ditto.
6949 * cfgloopmanip.c: Ditto.
6950 * postreload-gcse.c: Ditto.
6951 * tree-ssa-loop-manip.c: Ditto.
6952 * postreload.c: Ditto.
6953 * tree-ssa-loop-ch.c: Ditto.
6957 * diagnostic.c: Ditto.
6959 * genoutput.c: Ditto.
6961 * cfghooks.c: Ditto.
6962 * cfgloopanal.c: Ditto.
6963 * objc/objc-act.c: Ditto.
6965 * genextract.c: Ditto.
6966 * genautomata.c: Ditto.
6967 * pretty-print.c: Ditto.
6969 * cgraphunit.c: Ditto.
6972 * haifa-sched.c: Ditto.
6973 * dominance.c: Ditto.
6975 * tree-ssa-loop-ivopts.c: Ditto.
6977 * mode-switching.c: Ditto.
6978 * modulo-sched.c: Ditto.
6980 * ipa-pure-const.c: Ditto.
6982 * fix-header.c: Ditto.
6984 * tree-stdarg.c: Ditto.
6985 * ipa-utils.c: Ditto.
6986 * loop-init.c: Ditto.
6987 * ipa-inline.c: Ditto.
6990 * alloc-pool.c: Ditto.
6991 * dwarf2out.c: Ditto.
6993 * genattrtab.c: Ditto.
6994 * tree-ssa-loop-ivcanon.c: Ditto.
6998 * fortran/gfortranspec.c: Ditto.
7000 * local-alloc.c: Ditto.
7001 * langhooks.c: Ditto.
7002 * function.c: Ditto.
7003 * tree-vectorizer.c: Ditto.
7005 * ipa-type-escape.c: Ditto.
7007 * tree-if-conv.c: Ditto.
7010 * tree-data-ref.c: Ditto.
7011 * loop-unroll.c: Ditto.
7012 * treelang/treetree.c: Ditto.
7015 * ggc-common.c: Ditto.
7017 * coverage.c: Ditto.
7019 * tree-cfgcleanup.c: Ditto.
7020 * tree-ssa-pre.c: Ditto.
7021 * cfgcleanup.c: Ditto.
7022 * loop-invariant.c: Ditto.
7024 * ipa-prop.c: Ditto.
7025 * print-tree.c: Ditto.
7026 * conflict.c: Ditto.
7027 * ggc-page.c: Ditto.
7028 * sched-deps.c: Ditto.
7029 * regclass.c: Ditto.
7030 * tree-object-size.c: Ditto.
7032 * bb-reorder.c: Ditto.
7033 * resource.c: Ditto.
7034 * var-tracking.c: Ditto.
7036 * df-problems.c: Ditto.
7037 * reg-stack.c: Ditto.
7040 * sched-rgn.c: Ditto.
7041 * tree-ssa-structalias.c: Ditto.
7042 * tree-ssa-reassoc.c: Ditto.
7043 * config/darwin-c.c: Ditto.
7044 * config/darwin.c: Ditto.
7045 * config/arm/arm.c: Ditto.
7047 * collect2.c: Ditto.
7050 2006-01-31 Nicolas Pitre <nico@cam.org>
7052 * arm.md (smaxsi3): Make aware of smax_m1.
7055 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7057 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7059 2006-01-31 Richard Guenther <rguenther@suse.de>
7061 * doc/invoke.texi (-msselibm): Document.
7062 * target.h (expand_library_builtin): New target hook.
7063 * builtins.c (expand_builtin): Use expand_library_builtin.
7064 (default_expand_library_builtin): New function.
7065 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7066 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7067 (link_gcc_math_spec): Declare.
7068 (static_specs): Add link_gcc_math_spec.
7069 * expr.h (default_expand_library_builtin): Declare.
7070 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7071 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7072 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7073 * config/i386/i386.opt (msselibm): New target option.
7074 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7075 (ix86_init_sse_abi_builtins): New function.
7076 (ix86_expand_library_builtin): Likewise.
7077 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7078 (override_options): Handle error conditions wrt -msselibm.
7079 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7080 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7081 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7084 2006-01-31 Richard Guenther <rguenther@suse.de>
7085 Paolo Bonzini <bonzini@gnu.org>
7087 * doc/install.texi (--disable-libgcc-math): Document.
7089 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7091 * expr.h (expand_normal): new inline function.
7092 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7094 * dwarf2out.c: use it.
7099 * config/sparc/sparc.c: use it.
7100 * config/i386/i386.c: use it.
7101 * config/rs6000/rs6000.c: use it.
7102 * config/arm/arm.c: use it.
7103 * config/mips/mips.c: use it.
7104 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7106 2006-01-30 Roger Sayle <roger@eyesopen.com>
7108 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7109 argv to the appropriate type.
7111 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7113 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7116 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7119 * config/s390/s390.c (struct machine_function): New flag
7120 decomposed_literal_pool_addresses_ok_p.
7121 (s390_reorg): Set it before final stage of literal pool transforms.
7122 (s390_decompose_address): Only accept displacements of the form
7123 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7125 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7127 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7128 the comparison routine return.
7130 2006-01-30 Michael Matz <matz@suse.de>
7132 * global.c (find_reg): Only evict for global regs.
7133 Take n_refs into account and dump more info.
7135 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7138 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7139 (pragma_trap, pragma_nosave_low_regs): Likewise.
7140 (current_function_anonymous_args): Likewise.
7141 (sh_deferred_function_attributes): New variable.
7142 (sh_deferred_function_attributes_tail): Likewise.
7143 (print_operand): For '@', look up trap_exit attribute.
7144 (calc_live_regs): Look up trapa_handler attribute. For trapa
7145 handlers, save/restore fpscr, but don't do any other
7146 interrupt-specific saves.
7147 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7148 Fix check for partially saved registers to check for SHmedia.
7149 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7150 (sh_output_function_epilogue): Don't clear any of the removed
7152 (sh_insert_attributes): Don't check pragma_interrupt.
7153 Insert deferred attributes. Check that interrupt attribute is
7154 present for other attributes that require its presence.
7155 (sh_attribute_table): Add new attributes trapa_handler and
7157 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7158 Don't check for pragma_interrupt. Don't store argument.
7159 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7160 (sh_deferred_function_attributes): Declare.
7161 (sh_deferred_function_attributes_tail): Likewise.
7162 * sh.md (sp_switch_1): Add operand. Change generator caller.
7163 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7164 (*return_i): Don't use when trap_exit attribute is in effect.
7165 (*return_trapa): New insn pattern.
7167 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7168 setting c_target_objs and cxx_target_objs.
7169 * t-sh: Add rule for sh-c.o.
7171 2006-01-30 Richard Guenther <rguenther@suse.de>
7174 * gimplify.c (gimplify_target_expr): Handle easy cases
7175 without creating a temporary.
7177 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7179 * vec.h (safe_grow): Remove duplicated line.
7181 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7184 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7185 (expand_omp): ... here.
7186 (expand_omp_parallel): Only remove barriers for combined
7187 parallel+workshare constructs.
7189 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7193 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7194 * tree.c (build_qualified_type): Chain the new type to the original
7195 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7196 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7197 (build_pointer_type_for_mode): Only return unqualified types.
7198 (build_reference_type_for_mode): Likewise.
7200 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7202 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7203 * Makefile.in (CXX_COMPAT_WARN): Define.
7204 * configure: Regenerate.
7206 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7209 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7212 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7214 * toplev.c: Fix thinko.
7216 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7217 Marcin Dalecki <martin@dalecki.de>
7219 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7220 (push_srcloc): Use XNEW.
7221 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7223 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7225 * df-core.c (df_set_blocks): Deleted all variable.
7227 2006-01-28 Ian Lance Taylor <ian@airs.com>
7229 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7230 cgraph_output_pending_asms.
7232 2006-01-28 Zack Weinberg <zackw@panix.com>
7234 * c.opt: Add -W(no-)overlength-strings.
7235 * doc/invoke.texi: Document it.
7236 * c-opts.c (c_common_handle_option): -pedantic implies
7237 -Woverlength-strings, if not explicitly disabled already.
7238 (c_common_post_options): -Woverlength-strings defaults to off, and
7239 is always off for C++.
7240 * c-common.c (fix_string_type): Issue warning about strings longer
7241 than is portable only if warn_overlength_strings. Rearrange code
7242 a little for clarity.
7243 * configure.in: Check for -Wno-overlength-strings as well before
7244 enabling -pedantic in stage 1.
7245 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7246 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7248 * genconditions.c (write_header, write_one_condition)
7249 (write_conditions, write_writer): Consolidate very long strings
7250 that were broken up to fit in C89 portable limit. Don't use
7251 printf when fputs will do.
7253 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7255 * combine.c (simplify_comparison <AND>): Check
7256 TRULY_NOOP_TRUNCATION before start using a subreg.
7258 * config/mips/mips.md (*branch_zero<mode>,
7259 *branch_zero<mode>_inverted, *branch_equality<mode>,
7260 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7261 Remove mode check from comparisons.
7263 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7265 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7267 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7269 * expmed.c (const_mult_add_overflow_p): Remove.
7270 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7272 * recog.c (validate_replace_rtx_subexp): Remove.
7273 * recog.h: Remove the prototype for
7274 validate_replace_rtx_subexp.
7276 * integrate.h: Remove the prototype for
7277 copy_decl_for_inlining.
7278 * rtl.h: Remove the prototype for mark_constant_function.
7279 * tree-vectorizer.h: Remove the prototype for
7280 vect_strip_conversion.
7282 * modulo-sched.c (create_partial_schedule,
7283 free_partial_schedule, reset_partial_schedule): Make them
7286 * hooks.c (hook_bool_rtx_int_false): Remove.
7287 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7289 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7291 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7292 and -mlong-double-128 are incompatible.
7293 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7294 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7295 (TARGET_LIBGCC2_CFLAGS): Define.
7296 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7297 (TARGET_LIBGCC2_CFLAGS): Same.
7298 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7300 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7303 * c-typeck.c (build_binary_op): Perform implicit casts of
7304 operands before shortening them.
7306 * cfgloopmanip.c (split_loop_bb): Remove.
7307 * cfgloop.h: Remove the prototype for split_loop_bb.
7309 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7310 * cfgloop.h: Remove the prototype for
7311 flow_loop_outside_edge_p.
7313 * emit-rtl.c (init_virtual_regs): Make it static.
7314 * function.h: Remove the prototype for init_virtual_regs.
7316 * recog.c (peephole2_optimize): Make it static.
7317 * recog.h: Remove the prototype for peephole2_optimize.
7319 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7321 * df-scan.c (df_record_entry_block_defs): Check if
7322 INCOMING_RETURN_ADDR_RTX is defined.
7324 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7325 Kenneth Zadeck <zadeck@naturalbridge.com>
7327 PR rtl-optimization/24762
7328 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7329 * targhooks.c (hook_void_bitmap): New hook prototype.
7330 * targhoohs.h (hook_void_bitmap): Ditto.
7331 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7332 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7333 * target.h (live_on_entry): New function pointer.
7334 * df-scan.c (df_all_hard_regs): Removed.
7335 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7336 (df_scan_free_internal): Added df->entry_block_defs.
7337 (df_scan_alloc): Ditto.
7338 (df_scan_dump): Ditto.
7339 (df_uses_record): Plumbed flag field properly thru calls.
7340 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7341 This part fixes PR24762.
7342 (df_bb_refs_record): Added code to make the frame and arg
7343 pointers live in EH blocks.
7344 (df_refs_record): Added call to df_record_entry_block_defs.
7345 (df_record_entry_block_defs): New function.
7346 * df-core.c: Added comments to describe new artifical defs.
7347 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7348 (entry_block_defs): New field in struct df.
7349 (df_all_hard_regs): Deleted.
7350 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7351 * df-problems.c (df_ru_bb_local_compute_process_def):
7352 Added code to handle artifical defs in the entry to a function.
7353 (df_ru_bb_local_compute): Ditto.
7354 (df_rd_bb_local_compute_process_def): Ditto.
7355 (df_rd_bb_local_compute): Ditto.
7356 (df_lr_bb_local_compute): Ditto.
7357 (df_ur_bb_local_compute): Ditto.
7358 (df_urec_bb_local_compute): Ditto.
7359 (df_chain_create_bb): Ditto.
7360 (df_ur_local_finalize): Removed entry.
7361 (df_urec_init): Ditto.
7362 (df_urec_local_finalize): Ditto.
7363 (df_ri_bb_compute): Added detection of last use of pseudos.
7364 * Makefile.in (df-scan.o): Updated dependencies.
7365 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7366 * config/mips/mips.c (mips_set_live_on_entry): Added.
7367 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7369 * dce.c (marked_insn_p): Added code to handle artifical defs.
7371 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7373 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7375 (_mm_cvtsi128_si64): Likewise.
7376 (_mm_cvtsd_si64): Likewise.
7377 (_mm_cvttsd_si64): Likewise.
7378 (_mm_cvtsi64_sd): Likewise.
7379 (_mm_cvtsi64_si128): Likewise.
7380 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7381 (_mm_cvtsi64_m64): Likewise.
7382 (_m_to_int64): Likewise.
7383 (_mm_cvtm64_si64): Likewise.
7384 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7385 (_mm_cvttss_si64): Likewise.
7386 (_mm_cvtsi64_ss): Likewise.
7387 (_mm_cvtss_f32): Likewise.
7389 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7391 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7392 for pragma redefine_extname.
7394 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7397 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7398 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7399 -mno-minimal-toc to previous content.
7400 (bispecs): Remove goal.
7401 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7402 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7403 compatibility aliases on powerpc-*-*gnu*.
7404 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7405 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7406 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7407 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7408 (ldblspecs): New goal.
7409 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7410 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7412 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7413 L_sf_to_tf or L_df_to_tf is defined.
7415 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7416 Alan Modra <amodra@bigpond.net.au>
7419 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7420 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7421 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7422 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7423 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7424 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7425 (rs6000_override_options): Initialize rs6000_ieeequad.
7426 Initialize TFmode format to ibm_extended_format if not
7428 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7430 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7431 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7432 (function_arg_advance): IBM long double passed in two FPRs, not
7434 (function_arg): IBM long double passed in FPRs.
7435 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7436 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7437 Only multireg GPR aligned.
7438 (rs6000_init_libfuncs): Enable IBM long double functions if not
7440 (rs6000_generate_compare): Use IBM long double compare if not
7442 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7443 (TARGET_IEEEQUAD): Define.
7444 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7445 not TARGET_IEEEQUAD.
7446 * config/rs6000/rs6000.md: Enable TFmode patterns if
7448 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7449 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7450 and -mlong-double-128 are incompatible.
7451 * doc/invoke.texi (-mabi): Collect options together. Add
7452 ibmlongdouble and ieeelongdouble.
7454 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7456 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7458 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7459 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7460 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7461 * rtl.h (rtunion_def): Remove rt_ptr.
7463 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7464 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7465 * config/i386/winnt.c (i386_pe_mark_dllexport)
7466 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7468 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7470 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7472 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7476 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7477 pthread_key_delete. From John David Anglin. gthrw-ify
7478 pthread_getunique_np only if it it's not a macro. Delete
7480 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7481 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7482 __gthread_objc_condition_signal, __gthread_key_delete): Add
7483 "__attribute__ ((__unused__))" to unused arguments.
7484 (__gthread_recursive_mutex_init_function): Add missing return.
7485 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7486 gthr-posix95.h: Use macro-based approach for name redirection
7487 on targets missing weakref.
7489 2006-01-26 Zack Weinberg <zackw@panix.com>
7491 * genconditions.c (write_header): In generated code, #ifdef out
7492 all includes and fake declarations, except includes of bconfig.h
7493 and system.h, unless GCC_VERSION >= 3001. Do not include
7494 gensupport.h in any case.
7495 (write_conditions): Generate a definition of struct c_test. Add
7496 a comment to the generated #endif.
7497 (write_one_condition): Escape backslashes in string too.
7498 (write_writer): Generated code must escape backslashes and quote
7499 marks (but not newlines) in the strings it writes.
7500 * Makefile.in (build/gencondmd.o): Update dependencies.
7502 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7505 * Makefile.in (insn-automata.o): Add header file dependencies.
7506 * genautomata.c: Add includes.
7508 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7511 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7513 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7515 * configure.ac: Expect target tools paths to be passed from the toplevel
7516 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7518 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7520 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7523 * c.opt (Wpointer-sign): Init to -1.
7524 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7525 OPT_pedantic, to 0 otherwise.
7526 * doc/invoke.texi: Update.
7528 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7530 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7531 constants provided by 80387 instructions in the destination mode.
7533 2006-01-26 Richard Guenther <rguenther@suse.de>
7534 Andrew Pinski <pinskia@physics.uc.edu>
7537 partial PR tree-opt/17064
7538 * tree-ssa-structalias.c (intra_create_variable_infos):
7539 Create heap variables for incoming parameters if
7540 flag_argument_noalias > 1.
7541 (find_what_p_points_to): Look through default defs of
7544 2006-01-26 Jeff Law <law@redhat.com>
7547 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7548 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7549 within the VR_RANGE, use the VR_RANGE as the result, not the
7551 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7552 bounds for the type.
7554 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7556 * tree-ssa-alias.c (maybe_create_global_var): Change
7557 subvar walking to an assertion that we don't have subvar'd variables.
7559 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7562 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7563 Use a new variable, inner. PARM_DECLs are always non-weak.
7565 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7567 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7570 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7572 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7574 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7576 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7577 (smax_insn, smin_insn, smax_0, smin_0): New.
7579 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7582 * config/cris/cris.c (cris_order_for_addsi3): New function.
7583 * config/cris/cris-protos.h: Prototype it.
7584 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7585 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7586 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7587 (split for "op.S1 [rx=rx+i],ry (swapped)")
7588 (split for "op(s|u).S1 [rx=rx+i],ry")
7589 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7590 Apply cris_order_for_addsi3 when generating addsi3 insns.
7592 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7594 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7595 (TREE_BLOCK): Add call to EXPR_CHECK.
7597 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7600 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7601 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7602 (dump_omp_clauses): ... here.
7603 (dump_generic_node): Handle OMP_CLAUSE.
7604 * tree.c (omp_clause_num_ops): New.
7605 (omp_clause_code_name): New.
7606 (tree_code_size): Handle OMP_CLAUSE.
7607 (tree_size): Likewise.
7608 (make_node): Document handling of OMP_CLAUSE.
7609 (tree_node_structure): Handle OMP_CLAUSE.
7610 (omp_clause_check_failed): New.
7611 (omp_clause_range_check_failed): New.
7612 (omp_clause_operand_check_failed): New.
7613 (build_omp_clause): New.
7614 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7615 * tree.h (enum omp_clause_code): Declare.
7616 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7617 (OMP_CLAUSE_RANGE_CHECK): Define.
7618 (OMP_CLAUSE_ELT_CHECK): Define.
7619 (omp_clause_check_failed): Declare.
7620 (omp_clause_operand_check_failed): Declare.
7621 (omp_clause_range_check_failed): Declare.
7622 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7623 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7624 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7625 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7626 (OMP_CLAUSE_IF_EXPR): Likewise.
7627 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7628 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7629 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7630 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7631 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7632 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7633 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7634 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7635 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7636 (OMP_CLAUSE_CODE): Define.
7637 (OMP_CLAUSE_SET_CODE): Define.
7638 (OMP_CLAUSE_CODE): Define.
7639 (OMP_CLAUSE_OPERAND): Define.
7640 (struct tree_omp_clause): Declare.
7641 (union tree_node): Add field 'omp_clause'.
7642 * treestruct.def (TS_OMP_CLAUSE): Define.
7643 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7644 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7645 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7646 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7647 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7648 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7649 (OMP_CLAUSE): Define.
7650 * print-tree.c (print_node): Handle OMP_CLAUSE.
7651 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7652 * c-typeck.c: Likewise.
7653 * gimplify.c: Likewise.
7654 * c-omp.c: Likewise.
7655 * tree-nested.c: Likewise.
7656 * tree-inline.c: Likewise.
7657 * c-parser.c: Likewise.
7658 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7661 2006-01-25 Roger Sayle <roger@eyesopen.com>
7663 PR rtl-optimization/25703
7664 * combine.c (try_combine): Handle zero_extract and strict_low_part
7665 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7667 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7669 * global.c: Fix comment typos.
7671 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7674 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7675 Use output_addr_const instead of assemble_name.
7677 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7679 * Makefile.in (sched-vis.o): Update dependencies.
7680 * haifa-sched.c (sched_finish): Clear current_sched_info.
7681 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7682 (dump_flow_info): Call it.
7683 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7685 * basic-block.h (dump_bb_info): Declare.
7686 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7687 option, and apply options only for dump files whose TDF_RTL,
7688 TDF_TREE, or TDF_IPA bits match.
7689 * rtl.h: Declare new functions exported from sched-vis.c.
7690 * sched-vis.c: Enable also if scheduling is not used.
7691 (print_value): Print the mode of registers if not inside scheduling.
7692 (print_insn): Make it work outside the scheduler. Beautify the output
7694 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7696 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7698 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7699 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7700 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7701 depending on the value of CONSTANT_POOL_ADDRESS_P.
7702 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7704 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7705 rather than SYMBOL_REF_DECL.
7706 (rtx_constant_pool): Remove const_rtx_sym_htab.
7707 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7708 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7709 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7710 Remove handling of const_rtx_sym_htab.
7711 (find_pool_constant): Delete.
7712 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7713 rather than find_pool_constant.
7714 (get_pool_constant_for_function): Delete.
7715 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7717 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7718 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7719 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7720 (SYMBOL_REF_CONSTANT): New macro.
7721 (get_pool_constant_for_function): Delete.
7722 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7723 rather than SYMBOL_REF_DECL.
7724 (i386_pe_mark_dllimport): Likewise.
7725 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7726 rather than SYMBOL_REF_DECL.
7727 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7728 (machopic_indirect_call_target): Likewise.
7730 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7732 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7734 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7736 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7738 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7740 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7742 2006-01-24 David Daney <ddaney@avtrex.com>
7745 * configure.ac (enable_tls): New enable option.
7746 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7747 * configure: Regenerate.
7748 * doc/install.texi (--enable-tls): Document new option.
7749 (--disable-tls): Ditto.
7751 2006-01-24 Richard Henderson <rth@redehat.com>
7753 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7754 * alias.c (true_dependence): Respect it.
7755 (canon_true_dependence, write_dependence_p): Likewise.
7756 * builtins.c (get_builtin_sync_mem): Set it.
7758 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7760 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7763 2006-01-24 DJ Delorie <dj@redhat.com>
7765 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7766 for storing constants in single-bit bitfields.
7768 2006-01-25 Ben Elliston <bje@au.ibm.com>
7770 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7772 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7775 * tree-ssa-pre.c (phi_translate): Return NULL
7776 for AGGREGATE_TYPE's.
7778 2006-01-24 Zack Weinberg <zackw@panix.com>
7780 * genautomata.c (process_state_for_insn_equiv_partition):
7781 Use xcalloc for insn_arcs_array.
7782 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7783 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7785 2006-01-24 Richard Henderson <rth@redhat.com>
7787 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7790 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7792 PR rtl-optimization/25890
7793 PR rtl-optimization/25905
7794 * combine.c (expand_compound_operation, expand_field_assignment):
7795 Fail if the bitfield's final position is out of bounds.
7797 2006-01-24 Ian Lance Taylor <ian@airs.com>
7800 * cgraphunit.c (cgraph_output_in_order): Don't clear
7801 cgraph_asm_nodes until after asm strings have been output.
7803 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7805 * fix-header.c (read_scan_file): Add new parameter imultilib when
7806 calling register_include_chains.
7808 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7810 * omp-low.c: Update documentation.
7812 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7813 Daniel Berlin <dberlin@dberlin.org>
7817 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7818 return from the function.
7820 2006-01-22 Zack Weinberg <zackw@panix.com>
7822 * rtl.def (match_code): Add second argument.
7823 * genpreds.c (write_extract_subexp): New function.
7824 (write_match_code): Add path argument. Use write_extract_subexp.
7825 (write_predicate_expr): Pass path to write_match_code.
7826 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7827 not perform a mode test.
7828 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7829 a subexpression does not constrain the top-level code set.
7830 * read-rtl.c (read_rtx_variadic): New function.
7831 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7832 * doc/md.texi: Document new notation.
7833 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7834 (cmpsi_operand): ... here, using new notation.
7836 2006-01-22 Zack Weinberg <zackw@panix.com>
7838 * varray.c: Remove GENERATOR_FILE #ifdefs.
7840 2006-01-22 Zack Weinberg <zackw@panix.com>
7842 * genautomata.c (output_reserved_units_table): Emit nothing if
7843 description->query_units_num is zero. Remove extra blank line.
7844 (output_cpu_unit_reservation_p): Short circuit
7845 if description->query_units_num is zero.
7847 2006-01-22 Zack Weinberg <zackw@panix.com>
7849 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7850 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7851 nor any of the random handful of variables that used to be necessary
7852 when this program was linked with rtlanal.o. Prune set of forward
7853 function declarations.
7854 (struct attr_desc): Remove static_p field.
7855 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7856 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7857 (attr_string): Do not read the character one past the length of
7859 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7860 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7861 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7862 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7863 (make_automaton_attrs): New.
7864 (main): Do not call into genautomata. Call local gen_bypass
7865 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7866 Remove special case for insn_alts.
7867 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7868 varray.h (leftover from previous change). Prune set of forward
7869 function declarations. Remove state_alts fields from all
7870 structures. Remove state_alts_table from struct automaton.
7871 Make everything except main static. Do not maintain num_dfa_decls.
7872 Do not maintain state_alts fields of various structures.
7873 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7874 (add_arc): Remove state_alts argument. All callers updated.
7875 (output_reserved_units_table): Emit #ifdef here...
7876 (output_tables): ...not here. Don't generate state_alts tables.
7877 (expand_automata): Don't generate attributes.
7878 (write_automata): Don't generate state_alts functions.
7879 (main): New function.
7880 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7881 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7882 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7883 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7884 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7885 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7886 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7887 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7889 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7890 * genattrtab.h: Delete file.
7891 * Makefile.in (OBJS-common): Add insn-automata.o.
7892 (insn-automata.o): New rule.
7893 (simple_generated_c): Add insn-automata.c.
7894 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7895 (genprogmd): Add automata.
7896 (build/genattrtab): Needs no extra objects nor libraries.
7897 (build/genautomata): Needs build/vec.o and -lm.
7899 2006-01-22 Zack Weinberg <zackw@panix.com>
7901 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7902 (output_dfa_max_issue_rate, locked_states_num): Delete.
7903 (struct automaton): Add locked_states field.
7904 (output_dead_lock_vect): Save number of locked states in
7905 automaton->locked_states. If it is zero, don't print anything.
7906 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7907 (output_internal_dead_lock_func): Only test the dead_lock_vect
7908 for automata that have locked states.
7909 (output_statistics): Always print the number of locked states for
7910 each automaton. Calculate total number of locked states here.
7911 (write_automata): Don't call output_dfa_max_issue_rate.
7912 * genattrtab.c: Define length_unit_log as a const variable.
7913 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7914 max_insn_queue_index const.
7915 * final.c (length_unit_log): Declare const.
7916 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7918 2006-01-22 Zack Weinberg <zackw@panix.com>
7920 * genautomata.c: Include vec.h, not varray.h.
7921 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7922 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7923 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7924 VEC_* macros operating on appropriately typed vectors, or to
7925 malloced arrays when the size is known in advance. Const-ify
7926 many char* variables and function arguments. No functional changes.
7927 * Makefile.in (build/varray.o): Delete rule.
7928 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7929 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7931 2006-01-22 Zack Weinberg <zackw@panix.com>
7933 * gensupport.c: Define get_insn_name and record_insn_name here.
7934 (read_md_rtx): Call record_insn_name as appropriate.
7935 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7936 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7937 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7939 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7940 (BUILD_VARRAY): Delete.
7941 (genprognormal): Rename genprogmd. Fold in all programs from
7942 genprognoprint; also attrtab.
7943 (build/genattrtab): Just mention genautomata.o and varray.o.
7944 Reorganize a bit, add comments to make the categories clearer.
7946 2006-01-22 Zack Weinberg <zackw@panix.com>
7948 * genconditions.c (condition_table, add_condition): Delete.
7949 (write_conditions): Don't emit n_insn_conditions nor
7950 insn_elision_unavailable. Issue the gcc version #ifdef here,
7951 inside the table, with no #else clause ...
7952 (write_header): ...not here.
7953 (write_writer): New function.
7954 (main): Don't initialize condition_table. Use add_c_test.
7956 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7957 files on the command line.
7958 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7959 Return -1 if there is no entry in the table, don't abort.
7960 (add_c_test, traverse_c_tests): New functions.
7961 * gensupport.h (insn_elision_unavailable, insn_conditions)
7962 (n_insn_conditions): Delete declarations.
7963 (add_c_test, traverse_c_tests): Declare.
7964 * read-rtl.c: Include gensupport.h.
7965 (read_conditions): New function.
7966 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7967 (read_rtx_1): If we get EOF when we were looking for an initial
7968 open paren, return 0. Call read_conditions when appropriate.
7969 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7970 dummy-conditions.o. Eliminate references to insn-conditions.o,
7971 or change them to build/gencondmd.o, as appropriate. Remove
7972 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7973 from $(simple_generated_c). For all files remaining in those
7974 two lists, add insn-conditions.md to the generator command line.
7975 Give insn-constants.h/s-constants their own rules. Add rules
7976 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7977 (build/read-rtl.o): Depend on gensupport.h.
7978 (genprognormal): Include preds.
7979 (genprogearly): Rename genprognoprint; only difference is now that
7980 they don't link with $(BUILD_PRINT).
7981 * dummy-conditions.c: Delete.
7983 2006-01-22 Zack Weinberg <zackw@panix.com>
7985 * genextract.c: Don't include insn-config.h. Do include vec.h.
7986 Declare vectors of int, char, and locstr.
7987 (locstr): New typedef.
7988 (struct extraction): Make all array fields into bare pointers.
7989 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7990 (insn_code_number): Delete.
7991 (accum_extract): New struct.
7992 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7993 (gen_insn): Take insn_code_number as an argument. Use an
7994 accum_extract structure instead of loading data directly into
7995 a struct extraction, and having to know how big it might get.
7996 (walk_rtx): Operate entirely on an accum_extract structure.
7997 (print_path): Avoid unnecessary use of printf.
7998 (print_header): New function, split out of main. Distinguish
7999 more carefully between an unrecognizable insn and an insn that
8000 has the code number of a define_expand.
8001 (main): Pass insn_code_number to gen_insn. Call print_header
8002 only after parsing. Avoid unnecessary use of printf.
8003 * Makefile.in (build/vec.o): New rule.
8004 (build/genextract): Depend on build/vec.o.
8005 (build/genextract.o): Don't depend on insn-config.h.
8007 2006-01-22 Zack Weinberg <zackw@panix.com>
8009 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8010 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8011 practical. Eliminate per-generator-program link rules.
8013 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8016 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8017 with a call expr to ...
8018 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8020 2006-01-23 Richard Guenther <rguenther@suse.de>
8022 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8023 before make_edge with conditional EDGE_TRUE_VALUE.
8025 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8026 Jan Hubicka <jh@suse.cz>
8027 Richard Guenther <rguenther@suse.de>
8029 PR rtl-optimization/25654
8030 * cfgexpand.c (aggregate_contains_union_type): New function.
8031 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8032 for structure variables that contain a union type.
8034 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8036 * gengtype.c (new_structure): Return the structure.
8037 (create_option): Add an extra "next" argument.
8038 (create_field): New function.
8039 (adjust_field_rtx_def): Use create_option and create_field.
8040 Remove a now-unnecessary call to find_structure.
8041 (adjust_field_tree_def): Likewise.
8042 (note_yacc_type): Remove an unnecessary call to find_structure.
8043 * gengtype.h (new_structure): Return the structure.
8044 (create_option): Add an extra argument.
8045 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8046 (option): Adjust calls to create_option.
8048 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8050 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8052 2006-01-22 Paul Brook <paul@codesourcery.com>
8053 Peter Barada <peter@the-baradas.com>
8055 * config/m68k/m68k.md: Add Coldfire FPU support.
8056 Define FP mode macro and associated attributes.
8057 Use it for float mode patterns.
8058 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8059 (LIBCALL_VALUE): Use m68k_libcall_value.
8060 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8061 (m68k_function_value): Ditto.
8062 (emit_move_sequence): Ditto.
8063 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8064 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8065 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8066 (MULTILIB_EXCEPTIONS): Ditto.
8067 * config/m68k/m68k.opt: Add mcfv4e.
8068 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8069 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8070 (m68k_output_function_prologue): Save ColdFire FPU registers.
8071 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8072 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8073 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8074 ColdFire FPU registers.
8075 (m68k_libcall_value, m68k_function_value): New functions.
8076 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8077 (LIBCALL_VALUE): Use m68k_libcall_value.
8078 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8079 (MASK_COLDFIRE): Add MASK_CFV4E.
8080 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8081 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8082 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8083 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8084 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8085 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8086 * doc/invoke.tex: Document -mcfv4e on m68k.
8088 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8090 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8093 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8096 * c-opts.c (c_common_handle_option): Don't include
8097 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8098 * doc/invoke.texi (C++ Dialect Options): Document that
8099 -Wnon-virtual-dtor is no longer included in -Wall.
8101 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8103 * gcov.c (print_version), gcov-dump.c (print_version),
8104 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8107 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8109 * df-scan.c (problem_SCAN): Added NULL reset function.
8110 (df_scan_reset_blocks): Added code to call reset block function
8111 (df_bb_refs_delete) Fixed comment.
8112 (df_insn_refs_delete): Made tolerant of deleting non existent info
8113 for dataflow problems that need to be reset.
8114 * df-core.c (df_set_blocks): Ditto.
8115 * df.h (struct df_problem): Added reset_fun.
8116 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8117 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8118 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8119 functions to clear out all references to def-use or use-def chains.
8121 2006-01-21 Ben Elliston <bje@au.ibm.com>
8123 * varasm.c (assemble_real): Initialise data array.
8125 2006-01-20 Paul Brook <paul@codesourcery.com>
8127 Merge from csl-arm-branch.
8128 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8129 * config/arm/arm.md (movdi): Force operands[1] to a register
8130 if we have a non-register source.
8131 (*arm_movdi, *movdf_soft_insn): Require that one of the
8132 operands be a register.
8133 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8134 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8136 2006-01-20 DJ Delorie <dj@redhat.com>
8138 * varasm.c (initialize_constant_valid_p): Allow pointers
8139 initialized from integer constants of lesser precision.
8140 (output_constant): Allow non-int-sized pointer modes to be
8141 initialized from integer constants.
8143 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8146 * cppdefault.h (struct default_include): Add multilib flag.
8147 * cppdefault.c (cpp_include_defaults): Set it.
8148 * c.opt (-imultilib): New option.
8149 * c-opts.c (imultilib): New.
8150 (c_common_handle_option): Handle -imultilib.
8151 (c_common_post_options): Likewise.
8152 * c-incpath.c (add_standard_paths, register_include_chains):
8154 * c-incpath.h (register_include_chains): Add extra parameter.
8155 * gcc.c (do_spec_1): Generate -imultilib option.
8156 (The Specs Language): Update %I description.
8157 (process_command): Update copyright notice.
8158 * doc/cppopts.texi (-imultilib): Document.
8159 * doc/invoke.texi (-imultilib): Include in option summary.
8160 (%I): Update specs documentation.
8162 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8164 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8166 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8168 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8171 2006-01-20 Richard Guenther <rguenther@suse.de>
8172 Steven Bosscher <stevenb.gcc@gmail.com>
8174 PR rtl-optimization/24626
8175 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8176 EDGE_TRUE_VALUE if in RTL mode.
8179 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8180 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8182 2006-01-20 Dirk Mueller <dmueller@suse.com>
8185 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8186 instead of a special NOP marker.
8187 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8188 NOP marker handling.
8189 * c-common.h (empty_body_warning): Add forward declaration.
8190 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8191 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8193 2006-01-20 Paul Brook <paul@codesourcery.com>
8195 * Makefile.in (lang_checks): Keep going if mkdir fails.
8197 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8199 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8200 be able to clean out basic block when not necessary.
8201 (df_scan_free): Fixed to properly delete information if df is
8202 unused before calling df_finish.
8203 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8204 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8206 (df_bb_refs_delete): New function.
8207 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8208 * df-core.c (df_set_blocks): Added code to properly clean out
8209 unused blocks if they are not part of the blocks to consider.
8210 Added additional null check.
8211 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8212 be able to clean out basic block when not necessary
8213 * df.h (df_free_bb_function): Ditto.
8214 (df_bb_refs_delete): New function.
8215 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8216 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8217 basic block parameter to be able to clean out basic block when not
8219 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8220 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8221 Fixed to properly delete information if df is unused before
8224 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8226 PR rtl-optimization/25799
8227 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8228 Corrected confluence operator to remove bits from op2 before oring
8229 with op1 rather than removing bits from op1.
8230 (df_ru_transfer_function): Corrected test on wrong bitmap which
8231 caused infinite loop. Both of these problems were introduced in
8232 the dataflow rewrite.
8234 2006-01-19 DJ Delorie <dj@redhat.com>
8236 * reload1.c (find_reload_regs): Note the details of reload
8237 failures in the dump file.
8238 (spill_failure): Likewise.
8240 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8242 * loop-iv.c: Include df.h and hashtab.h.
8243 (enum iv_grd_result): New enum.
8244 (DF_REF_IV, DF_REF_IV_SET): New macros.
8245 (struct biv_entry): New.
8246 (df, bivs): New global variables.
8247 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8248 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8250 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8251 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8252 analyzed_for_bivness_p, record_biv): New functions.
8253 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8254 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8255 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8257 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8259 (iv_number_of_iterations): Use new interface to iv analysis.
8260 * loop-unroll.c: Do not include varray.h.
8261 (analyze_iv_to_split_insn): Use new interface to iv
8263 * loop-unswitch.c (may_unswitch_on): Ditto.
8264 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8266 (df_bb_modify): Realloc tables to the new index.
8267 (df_find_use): New function.
8268 * df.h (df_find_use): Declare.
8269 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8271 * cfgloop.h (struct rtx_iv): Remove analysed field.
8272 (iv_get_reaching_def): Removed.
8273 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8274 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8275 (loop-iv.o): Add df.h and hashtab.h dependency.
8276 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8278 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8281 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8283 (__floatundisf, __floatundidf): Likewise.
8284 * libgcc2.h (IS_IBM_EXTENDED): Define.
8286 2006-01-19 DJ Delorie <dj@redhat.com>
8288 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8290 2006-01-19 Paul Brook <paul@codesourcery.com>
8292 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8293 as nothrow when unwinding tables are disabled.
8295 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8298 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8299 of bit-field" when in system header.
8301 2006-01-19 DJ Delorie <dj@redhat.com>
8303 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8304 the 16 bit shift limit of the m16c.
8306 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8309 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8310 * config/i386/i386.c (output_set_got): Output the label if we have one
8311 for the TARGET_DEEP_BRANCH_PREDICTION case.
8313 2006-01-19 Jan Hubicka <jh@suse.cz>
8314 H.J. Lu <hongjiu.lu@intel.com>
8315 Evandro Menezes <evandro.menezes@amd.com>
8317 * invoke.texi (generic): Document
8319 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8320 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8321 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8322 (x86_use_incdec, x86_pad_returns): New variables
8323 (TARGET_CPU_DEFAULT_generic): New constant
8324 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8325 (enum processor_type): Add generic32 and generic64.
8326 * i386.md (cpu attribute): Add generic32/generic64
8327 (movhi splitter): Behave sanely when both partial_reg_dependency and
8328 partial_reg_stall are set.
8329 (K8 splitters): Enable for generic as well.
8330 * predicates.md (incdec_operand): Use TARGET_INCDEC
8331 (aligned_operand): Avoid memory mismatch stalls.
8332 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8333 * ppro.md: Enable for generic32
8334 * i386.c (generic64_cost, generic32_cost): New.
8335 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8336 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8337 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8338 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8339 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8340 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8341 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8342 x86_accumulate_outgoing_args, x86_prologue_using_move,
8343 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8344 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8346 (x86_use_incdec, x86_pad_returns): New.
8347 (override_options): Add generic32 and generic64, translate "generic"
8348 to generic32/generic64 and "i686" to "generic32", refuse
8349 "generic32"/"generic64" as arch target.
8350 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8351 (ix86_reorg): Honor PAD_RETURNS.
8353 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8355 * tree-pretty-print.c (dump_generic_node): Handle
8356 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8357 * cgraph.c (cgraph_expand_queue): Rename from
8358 cgraph_analyze_queue. Update all users.
8359 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8360 cgraph_expand_queue.
8361 (cgraph_expand_all_functions): Likewise.
8362 (cgraph_finalize_pending_functions): Remove. Update callers.
8364 * tree.h (OMP_DIRECTIVE_P): Define.
8365 (OMP_PARALLEL_FN): Define.
8366 (OMP_PARALLEL_DATA_ARG): Define.
8367 (OMP_SECTIONS_SECTIONS): Define.
8368 * tree-pass.h (pass_expand_omp): Declare.
8369 * omp-low.c (struct omp_region): Declare.
8370 (struct omp_context): Remove fields 'parallel_type',
8371 'parallel_start_ix' and 'parallel_start_additional_args'.
8373 (struct omp_for_data): Rename from struct expand_omp_for_data.
8374 (omp_regions): New static variable.
8375 (root_omp_region): New static variable.
8376 (find_omp_clause): Make static.
8377 (is_in_combined_parallel_ctx): Remove.
8378 (is_combined_parallel): New.
8379 (extract_omp_for_data): Move earlier in the file.
8380 (workshare_safe_to_combine_p): New.
8381 (get_ws_args_for): New.
8382 (determine_parallel_type): Move earlier in the file.
8383 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8385 (omp_copy_decl): Likewise.
8386 (create_omp_child_function): Likewise.
8387 (lookup_omp_region): New.
8388 (dump_omp_region): New.
8389 (debug_omp_region): New.
8390 (debug_all_omp_regions): New.
8391 (new_omp_region): New.
8392 (scan_omp_parallel): If parallel_nesting_level > 1, the
8393 directive is nested within another parallel directive.
8394 Set OMP_PARALLEL_FN.
8395 (scan_omp_for): Do not try to handle combined parallel+for
8397 Remove FIXME comment.
8398 (scan_omp_nested): Remove.
8399 (scan_omp_1): Do not call scan_omp_nested when
8400 parallel_nesting_level is > 1.
8401 Do not change the DECL_CONTEXT of local variables found.
8402 (lookup_decl_in_outer_ctx): New.
8403 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8404 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8405 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8406 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8407 If CTX is nested, lookup VAR in the outer context when
8408 building copy assignment.
8409 (lower_send_clauses): Rename from expand_send_clauses.
8410 If CTX is nested, lookup VAR in the outer context when
8411 building copy assignments.
8412 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8413 If CTX is nested, lookup VAR in the outer context when
8414 building copy assignments.
8415 (expand_parallel_call): Rename from build_parallel_call.
8416 Handle combined parallel+workshare cases.
8417 Re-implement to emit code into the CFG.
8419 (expand_omp_parallel): Re-implement to emit code into the CFG.
8420 Call move_sese_region_to_fn to outline the sub-graph
8421 containing the parallel region.
8422 (expand_omp_for_1): Remove.
8423 (expand_omp_for_generic): Re-implement to emit code into the
8425 (expand_omp_for_static_nochunk): Likewise.
8426 (expand_omp_for_static_chunk): Likewise.
8427 (expand_omp_for): Likewise.
8428 (expand_omp_sections): Likewise.
8429 (remove_exit_barriers): New.
8430 (expand_omp_synch): New.
8432 (build_omp_regions_1): New.
8433 (build_omp_regions): New.
8434 (execute_expand_omp): New.
8435 (gate_expand_omp): New.
8436 (pass_expand_omp): Define.
8437 (lower_omp_sections): Rename from expand_omp_sections.
8438 Set OMP_SECTIONS_SECTIONS.
8439 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8440 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8441 (lower_omp_single): Rename from expand_omp_simple.
8442 (lower_omp_master): Rename from expand_omp_master.
8443 (lower_omp_ordered): Rename from expand_omp_ordered.
8444 (lower_omp_critical): Rename from expand_omp_critical.
8445 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8446 (lower_omp_for): Re-implement.
8447 (lower_omp_parallel): Re-implement.
8448 (lower_regimplify): Rename from expand_regimplify.
8449 (lower_omp_1): Rename from expand_omp_1.
8450 If there are syntax errors in the program, replace every
8451 OpenMP directive with NOP.
8452 Call lower_omp_* instead of expand_omp_*.
8453 (lower_omp): Rename from expand_omp.
8455 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8456 * tree-gimple.h (enum omp_parallel_type): Remove.
8457 (gimple_boolify): Declare extern.
8458 (find_omp_clause, determine_parallel_type): Remove.
8460 * gimple-low.c (lower_omp_directive): New.
8461 (lower_stmt): Call it.
8462 (record_vars_into): Move from ...
8463 (record_vars): ... here.
8464 Call record_vars_into with current_function_decl.
8466 * gimplify.c (struct gimplify_ctx): Remove fields
8467 combined_pre_p and combined_ctxp. Update users.
8468 (get_formal_tmp_var): Add documentation.
8469 (gimple_boolify): Make extern.
8470 (gimplify_expr_in_ctx): Remove. Update callers.
8471 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8472 will always be a BIND_EXPR.
8473 (gimplify_expr): Handle OMP_RETURN_EXPR.
8474 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8475 (OMP_PARALLEL): Add 3 operands.
8476 (OMP_SECTIONS): Add 1 operand.
8477 (OMP_RETURN_EXPR): Define.
8479 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8480 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8481 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8482 creating a circular free list.
8483 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8485 * tree-flow.h (move_sese_region_to_fn): Declare.
8486 (record_vars_into): Declare.
8487 * tree-cfg.c (make_omp_sections_edges): New.
8488 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8489 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8490 OMP_SECTIONS and OMP_SECTION.
8491 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8492 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8493 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8494 (gather_blocks_in_sese_region): New.
8495 (struct move_stmt_d): Declare.
8497 (move_block_to_fn): New.
8498 (move_sese_region_to_fn): New.
8500 * passes.c (init_optimization_passes): Schedule
8501 pass_expand_omp after pass_init_datastructures.
8503 * tree-ssa-operands.c (get_expr_operands): Handle
8504 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8505 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8507 2006-01-19 Jeff Law <law@redhat.com>
8509 * tree-vrp.c (extract_range_from_assert): Refine the result range
8510 if the variable referenced by the ASSERT_EXPR has a range and
8511 either the tentative result range or the previous range is a
8514 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8516 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8518 2006-01-19 Jan Hubicka <jh@suse.cz>
8520 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8522 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8524 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8525 (expand_compound_operation, expand_field_assignment): Fail if the
8526 bit lengths of an extract operation are out of range.
8527 (make_extraction): Compute wanted_inner_mode based on the position
8528 and length of the extraction. Make it extraction_mode for non-constant
8529 positions, and do not modify offset in that case. When generating a
8530 new MEM, use a mode that can hold the extraction while keeping correct
8531 alignment. Remove code that supported MEMs wrapped by USEs.
8532 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8534 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8536 * config/s390/s390.md ("Y", "y"): New mode attribute.
8537 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8538 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8539 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8540 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8541 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8542 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8543 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8544 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8545 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8546 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8547 "addsi3", "subsi3"): Insn patterns removed.
8548 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8549 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8550 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8551 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8552 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8553 "*sub<mode>3_cconly2"): New insn patterns.
8554 ("addsi3", "subsi3"): New expanders.
8556 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8558 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8559 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8560 existing STMT_VINFO_VECTYPE if available.
8561 (vect_mark_relevant): Add special handling for stmts that are
8562 marked as STMT_VINFO_IN_PATTERN_P.
8563 (vect_analyze_loop): Call vect_pattern_recog.
8564 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8565 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8567 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8568 (vect_recog_func_ptr): New function-pointer type.
8569 * tree-vect-patterns.c: New file.
8570 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8571 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8572 (vect_pattern_recog_1): New functions.
8573 (vect_pattern_recog_funcs): New array of function pointers.
8575 * tree-vectorizer.h (ternary_op): New enum value.
8576 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8577 declaration. Revised documentation. Removed redundant dump prints.
8578 Removed redundant argument. Added support for reduction patterns.
8579 (vectorizable_reduction): Added support for reduction patterns.
8580 (vect_transform_stmt): Added support for patterns.
8582 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8583 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8584 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8585 (expand_widen_pattern_expr): New function.
8586 (init_optabs): Initialize new optabs udot_prod_optab,
8588 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8589 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8590 (expand_widen_pattern_expr): New function declaration.
8591 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8593 * tree-inline.c (estimate_num_insns_1): Added cases for new
8594 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8595 * tree-pretty-print.c (dump_generic_node): Likewise.
8596 (op_prio): Likewise.
8597 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8598 * tree-ssa-operands.c (get_expr_operands): Added case for
8600 * tree-vect-patterns.c (widened_name_p): New function.
8601 (vect_recog_dot_prod_pattern): Added function implementation.
8602 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8603 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8604 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8605 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8607 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8608 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8609 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8610 (init_optabs): Initialize new optabs widen_ssum_optab,
8612 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8613 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8614 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8615 use instead of type of def.
8616 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8617 function implementation.
8618 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8619 widen_ssumv8hi): New.
8621 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8624 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8627 * c-decl.c (add_flexible_array_elts_to_size): New function.
8628 (finish_decl): Use it.
8630 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8632 * diagnostic.h: Include options.h.
8633 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8634 dependancies for diagnostic.h.
8635 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8637 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8639 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8640 (ssa_ro_call_cache_valid): Ditto.
8641 * tree-ssa-alias.c (sort_tags_by_id): New function.
8642 (init_transitive_clobber_worklist): Ditto.
8643 (add_to_worklist): Ditto.
8644 (mark_aliases_call_clobbered): Ditto.
8645 (compute_tag_properties): Ditto.
8646 (set_initial_properties): Ditto.
8647 (compute_call_clobbered): Ditto.
8648 (compute_may_aliases): Call compute_call_clobbered and grouping.
8649 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8650 (compute_flow_insensitive_aliasing): Grouping now happens in our
8652 (setup_pointers_and_addressables): Remove clobbering related code.
8653 (add_may_alias): Ditto.
8654 (replace_may_alias): Ditto.
8655 (get_nmt_for): Ditto.
8656 (create_global_var):
8657 (is_escape_site): Return an escape_type enumeration.
8658 * tree-flow-inline.h (is_call_clobbered): Global var does not
8659 imply call clobbered.
8660 (mark_call_clobbered): Take a reason for marking this. Remove
8661 marking of globalness, and cache invalidation.
8662 (clear_call_clobbered): Remove cache invalidation code.
8663 * tree-dfa.c (dump_variable): If details is on, dump the reason
8665 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8667 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8668 (struct var_ann_d): Ditto.
8669 (enum escape_type): New.
8670 (mark_call_clobbered): Adjust prototype.
8671 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8672 are never call clobbered.
8673 Record reasons for escaping.
8674 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8675 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8676 (ssa_ro_call_cache_valid): Ditto.
8677 (clobbered_v_may_defs): Ditto.
8678 (clobbered_vuses): Ditto.
8679 (ro_call_vuses): Ditto.
8680 (clobber_stats): New.
8681 (init_ssa_operands): Zero out clobber stats.
8682 (fini_ssa_operands): Print out clobber stats.
8683 (get_call_expr_operands): Pass callee fndecl to
8685 (add_call_clobber_ops): Remove use of cache.
8686 Add use of PURE_CONST information.
8687 (add_call_read_ops): Remove use of cache.
8688 Add use of static not_read information.
8690 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8692 Introduce TLS descriptors for i386 and x86_64.
8693 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8694 (TARGET_ANY_GNU_TLS): New macro.
8695 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8696 (struct machine_function): Add tls_descriptor_call_expanded_p.
8697 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8698 (ix86_current_function_calls_tls_descriptor): Likewise.
8699 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8700 (override_options): Introduce gnu2 tls dialect.
8701 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8703 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8705 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8706 (ix86_init_machine_status): Initialize new field.
8707 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8708 (ix86_tls_module_base): New.
8709 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8710 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8711 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8712 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8713 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8714 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8715 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8716 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8717 * config/i386/predicates.md (tls_modbase_operand): New.
8718 (tp_or_register_operand): New.
8720 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8722 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8723 (look_for_address_of): Ditto.
8724 (ipa_init): Walk the function decls.
8725 (static_execute): Don't set readonly on FUNCTION_DECL's.
8727 2006-01-18 Roger Sayle <roger@eyesopen.com>
8729 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8730 for shifts where the source and destination registers are different.
8732 2006-01-18 Paul Brook <paul@codesourcery.com>
8734 Merge from csl-arm-branch.
8735 2005-03-14 Julian Brown <julian@codesourcery.com>
8736 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8737 (aeabi_llsl): Likewise.
8738 (ashrdi3): Likewise.
8739 (aeabi_lasr): Likewise.
8740 (lshrdi3): Likewise.
8741 (aeabi_llsr): Likewise.
8742 2005-03-10 Julian Brown <julian@codesourcery.com>
8743 * config.gcc: Disable shared libgcc for SymbianOS.
8744 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8746 2006-01-18 DJ Delorie <dj@redhat.com>
8748 * c-pragma.c (handle_pragma_diagnostic): New.
8749 (init_pragma): Register it.
8750 * doc/extend.texi: Document it.
8752 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8753 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8754 (diagnostic_context): Add classify_diagnostic[].
8755 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8756 as errors if they're overridden to DK_WARNING.
8757 (diagnostic_initialize): Initialize classify_diagnostic[].
8758 (diagnostic_set_kind_override): New.
8759 (diagnostic_report_diagnostic): Check for kind changes.
8760 * opts.c (common_handle_option): Take lang_mask. Update callers.
8762 * common.opt (Werror=): New.
8763 * doc/invoke.texi: Document -Werror=*
8765 2006-01-18 Jeff Law <law@redhat.com>
8767 * tree-vrp.c (test_for_singularity): Correct test for new
8768 min limit. Use operand_equal_p rather than pointer equality
8769 for testing if new min/max values are equal.
8771 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8772 using range information until after propagation and folding.
8774 2006-01-18 Richard Henderson <rth@redhat.com>
8775 Aldy Hernandez <aldyh@redhat.com>
8776 Jakub Jelinek <jakub@redhat.com>
8777 Diego Novillo <dnovillo@redhat.com>
8779 * omp-low.c: New file.
8780 * c-omp.c: New file.
8782 2006-01-18 Richard Henderson <rth@redhat.com>
8783 Jakub Jelinek <jakub@redhat.com>
8784 Diego Novillo <dnovillo@redhat.com>
8786 * doc/invoke.texi: Document -fopenmp.
8787 * tree-dump.h (debug_function): Declare.
8788 * hooks.c (hook_bool_tree_bool_false): New function.
8789 (hook_tree_tree_null): Remove.
8790 (hook_tree_tree_tree_null): New.
8791 * hooks.h: Update to match.
8792 * tree-pretty-print.c (debug_tree_chain): New.
8793 (print_generic_expr): Handle TDF_CHAIN.
8794 (dump_generic_node): Handle BLOCK.
8795 Do not abort with incomplete SWITCH_EXPRs.
8796 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8797 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8798 print space after directive name.
8799 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8800 Handle OMP_MASTER and OMP_ORDERED.
8801 Handle printing of OMP_BODY just in one place, goto
8802 dump_omp_body in the rest of OMP_* nodes that have
8804 Don't handle clause nodes here. Update omp statements to
8805 use dump_omp_clauses.
8806 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8807 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8808 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8809 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8810 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8811 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8812 Adjust output for GOMP_PARALLEL.
8813 (dump_omp_clauses): New.
8814 (print_declaration): Dump DECL_VALUE_EXPR.
8815 (op_symbol_1): Split out of op_symbol.
8816 (dumping_stmts): Remove. Update all users.
8817 * cgraph.c (cgraph_analyze_queue): New.
8818 (cgraph_add_new_function): New.
8819 * cgraph.h (cgraph_analyze_queue): Declare.
8820 (cgraph_add_new_function): Declare.
8821 (cgraph_lower_function): Remove.
8822 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8823 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8824 and TYPE_P nodes in its default clause.
8825 (empty_body_p): New.
8826 (tree_range_check_failed): New.
8828 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8829 OMP_CLAUSE_REDUCTION_MERGE,
8830 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8831 OMP_CLAUSE_PRIVATE_DEBUG,
8832 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8833 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8834 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8835 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8836 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8837 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8838 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8839 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8840 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8841 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8842 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8843 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8844 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8845 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8846 (TREE_RANGE_CHECK): New.
8847 (empty_body_p): Declare.
8848 (enum omp_clause_default_kind): New.
8849 (build_string_literal): Declare.
8850 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8851 (build5_stat, build5): Declare.
8852 * tree-pass.h (TDF_CHAIN): Define.
8853 * tree-pass.h (PROP_gimple_lomp): Define.
8854 (pass_lower_omp): Declare.
8855 * diagnostic.h (debug_tree_chain): Declare.
8856 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8858 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8859 * builtins.c (build_string_literal): Make extern.
8860 * gcc.c (include_spec_function): New.
8861 (static_spec_functions): Add it.
8862 (main): Move load of libgomp.spec ...
8863 (LINK_COMMAND_SPEC): ... here.
8864 (link_gomp_spec): New.
8865 (static_specs): Include it.
8866 (LINK_COMMAND_SPEC): Add link_gomp.
8867 (GOMP_SELF_SPECS): New.
8868 (driver_self_specs): Include it.
8869 (switch_matches): Don't mark inline.
8870 (main): Load libgomp.spec.
8871 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8872 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8873 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8874 * tree-gimple.h (enum omp_parallel): Declare.
8875 (determine_parallel_type): Declare.
8876 (omp_firstprivatize_variable): Declare.
8877 (omp_reduction_init): Declare.
8878 (diagnose_omp_structured_block_errors): Declare.
8879 (struct walk_stmt_info): Add want_return_expr.
8880 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8881 (find_omp_clause): Declare.
8882 (insert_field_into_struct): Declare.
8883 (struct walk_stmt_info): Move from tree-nested.c
8884 (walk_stmts): Declare.
8885 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8887 * cgraphunit.c (cgraph_lower_function): Make static.
8888 (cgraph_finalize_pending_functions): New.
8889 (cgraph_finalize_function): Call it.
8890 (cgraph_finalize_compilation_unit): Likewise.
8891 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8892 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8893 (BT_FN_UINT_UINT): New.
8894 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8895 DEF_FUNCTION_TYPE_VAR_4): Document.
8896 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8897 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8898 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8899 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8900 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8901 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8902 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8903 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8904 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8905 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8906 into separate files.
8907 (DEF_GOMP_BUILTIN): New.
8908 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8909 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8910 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8911 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8912 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8913 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8914 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8915 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8916 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8917 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8918 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8919 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8920 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8921 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8922 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8923 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8924 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8925 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8926 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8927 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8928 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8929 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8930 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8931 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8932 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8933 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8934 * sync-builtins.def: New file, moved from builtins.def.
8935 * omp-builtins.def: New file, moved from builtins.def.
8936 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8937 * gimple-low.c (lower_function_body): Clear data.
8938 (lower_stmt): Do not handle COMPOUND_EXPR.
8939 Remove call to print_node_brief.
8940 * c-tree.h (c_finish_omp_clauses): New prototype.
8941 (C_DECL_THREADPRIVATE_P): Define.
8942 (lookup_name_no_remap, c_omp_remap_private): Remove
8943 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8944 (check_for_loop_decls): Update decl.
8945 (lookup_name_no_remap, c_omp_remap_private): Declare.
8946 (build_indirect_ref, build_modify_expr, pushdecl,
8947 pushdecl_top_level): Move to c-common.h.
8948 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8949 before the switch, but just in the 2 places that need it.
8950 * c-decl.c (diagnose_mismatched_decls): Do not check for
8951 mismatched thread-local attributes when OLDDECL is marked
8952 threadprivate and NEWDECL has no thread-local attributes.
8953 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8954 (c_gimple_diagnostics_recursively): Rename from
8955 c_warn_unused_result_recursively. Invoke
8956 diagnose_omp_structured_block_errors.
8957 (check_for_loop_decls): Return a singular decl found.
8958 * langhooks.c (lhd_omp_predetermined_sharing): Return
8959 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8960 (lhd_omp_firstprivatize_type_sizes): New.
8961 (lhd_omp_assignment): New.
8962 (lhd_omp_predetermined_sharing): New.
8963 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8964 (struct lang_hooks_for_types): Add
8965 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8966 omp_predetermined_sharing, omp_disregard_value_expr,
8967 omp_private_debug_clause, omp_clause_default_ctor,
8968 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8969 (c_finish_omp_clauses): New.
8970 (c_finish_bc_stmt): Diagnose break within omp for.
8971 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8972 (build_unary_op): Return error_mark after reporting
8974 (build_modify_expr): Likewise.
8975 * gimplify.c: Include optabs.h and pointer-set.h.
8976 (enum gimplify_omp_var_data): Declare.
8977 (struct gimplify_omp_ctx): Declare.
8978 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8980 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8981 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8982 (splay_tree_compare_decl_uid): New.
8983 (new_omp_context): New.
8984 (delete_omp_context): New.
8985 (gimple_add_tmp_var): Call omp_add_variable.
8986 (gimplify_bind_expr): Likewise.
8987 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8988 true, disregard DECL_VALUE_EXPR on the decl if any.
8989 (gimplify_expr_in_ctx): New.
8990 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8991 omp_add_variable, omp_notice_variable, omp_is_private
8992 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8993 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8994 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8995 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8996 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8997 gimplify_omp_atomic): New.
8998 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8999 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9000 OMP_CRITICAL and OMP_ATOMIC.
9001 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9002 * c-pragma.h (enum pragma_kind): Add
9003 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9004 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9005 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9006 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9007 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9008 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9009 PRAGMA_OMP_THREADPRIVATE.
9010 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9011 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9012 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9013 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9014 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9015 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9016 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9017 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9018 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9019 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9020 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9021 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9022 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9024 (struct nesting_info): Add field_map,
9025 suppress_expansion, debug_var_chain.
9026 (create_nesting_tree): Initialize them.
9027 (lookup_field_for_decl): Use field_map.
9028 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9029 (convert_local_omp_clauses): New.
9030 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9031 (walk_body): Split out of walk_function.
9032 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9033 (convert_nonlocal_reference): Handle omp statements.
9034 (convert_local_reference): Likewise.
9035 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9036 (unnest_nesting_tree): New.
9037 (lower_nested_functions): Call it.
9038 (insert_field_into_struct): Make extern.
9039 (struct walk_stmt_info): Move to tree-gimple.h.
9040 (walk_stmts): Make extern.
9041 * omp-builtins.def: New file.
9042 * tree-iterator.c (expr_only): Clarify comment.
9043 * c-common.h (pushdecl_top_level, pushdecl,
9044 build_modify_expr, build_indirect_ref,
9045 c_finish_omp_master, c_finish_omp_critical,
9046 c_finish_omp_ordered, c_finish_omp_barrier,
9047 c_finish_omp_atomic, c_finish_omp_flush,
9048 c_finish_omp_for, c_split_parallel_clauses,
9049 omp_clause_default_kind, c_omp_sharing_predetermined,
9050 c_omp_remap_decl): Declare.
9051 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9052 (OBJS-common): Add omp-low.o.
9053 (c-omp.o, omp-low.o): Add.
9054 (gimplify.o): Add dependency on $(OPTABS_H).
9055 (GTFILES): Add omp-low.c.
9056 (gt-stringpool.h): Add.
9057 * tree-cfg.c (set_bb_for_stmt): Do not update the
9058 block-to-labels map if we are currently expanding to RTL.
9059 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9061 Handle IDENTIFIER_NODE.
9062 (tree_verify_flow_info): Do not ICE when emitting error
9063 messages about invalid labels.
9064 (dump_function_to_file): Reset CFUN before emitting the body
9066 (debug_function): New.
9067 * passes.c (init_optimization_passes): Schedule
9069 * langhooks-def.h (lhd_omp_predetermined_sharing,
9070 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9072 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9073 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9074 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9075 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9076 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9077 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9078 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9079 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9080 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9081 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9082 (LANG_HOOK_DECLS): Use them.
9084 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9085 Richard Henderson <rth@redhat.com>
9086 Jakub Jelinek <jakub@redhat.com>
9087 Diego Novillo <dnovillo@redhat.com>
9089 * c-parser.c (pragma_omp_clause): Define.
9090 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9091 (c_parser_compound_statement): Likewise.
9092 (c_parser_statement): Likewise.
9093 (c_parser_pragma): Handle omp pragmas.
9094 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9095 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9096 (c_parser_omp_clause_name, check_no_duplicate_clause,
9097 c_parser_omp_variable_list,
9098 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9099 c_parser_omp_clause_copyprivate,
9100 c_parser_omp_clause_default,
9101 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9102 c_parser_omp_clause_lastprivate,
9103 c_parser_omp_clause_nowait,
9104 c_parser_omp_clause_num_threads,
9105 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9106 c_parser_omp_clause_reduction,
9107 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9108 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9109 c_parser_omp_atomic, c_parser_omp_barrier,
9110 c_parser_omp_critical, c_parser_omp_flush,
9111 c_parser_omp_for_loop, c_parser_omp_for,
9112 c_parser_omp_master, c_parser_omp_ordered,
9113 c_parser_omp_sections_scope, c_parser_omp_sections,
9114 c_parser_omp_parallel, c_parser_omp_single,
9115 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9116 * c-pragma.c (init_pragma): Do omp pragma registration here.
9117 * c.opt (fopenmp): New flag.
9119 2006-01-18 Eric Christopher <echristo@apple.com>
9121 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9122 * config/darwin.h (GOMP_SELF_SPECS): Define.
9124 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9126 * rtl.h: Remove the prototype for reg_alloc.
9128 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9131 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9132 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9133 sjlj and dwarf2 exception handling.
9134 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9135 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9136 * pa/pa.c (function_value): Treat complex and vector types as
9138 (function_arg): Likewise. Only pass scalar floats in the floating
9139 point argument registers.
9140 * pa/t-slibgcc-dwarf-ver: New file.
9141 * pa/t-slibgcc-sjlj-ver: New file.
9142 * pa/t-slibgcc-elf-ver: Delete file.
9144 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9146 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9147 unlikely_test_section_p test.
9149 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9151 * mode-switching.c (optimize_mode_switching): Make it static.
9152 * basic-block.h: Remove the prototype for
9153 optimize_mode_switching.
9155 * modulo-sched.c (sms_schedule): Make it static.
9156 * rtl.h: Remove the prototype for sms_schedule.
9158 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9159 * rtl.h: Remove the prototype for gcse_after_reload_main.
9161 * reg-stack.c (reg_to_stack): Make it static.
9162 * rtl.h: Remove the prototype for reg_to_stack.
9164 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9166 * rtl.h: Remove the prototypes for regrename_optimize and
9167 copyprop_hardreg_forward.
9169 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9171 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9172 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9173 Test against the appropriate null constant for the mode.
9174 If 'fixup_overlap' is true, swap the operands if they overlap.
9175 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9176 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9177 alpha_split_tmode_pair and adjust for above change.
9178 * config/alpha/alpha.md (movtf_internal): Adjust call to
9179 alpha_split_tfmode_pair and rely on it to swap the operands.
9180 (movti_internal): New insn and post-reload splitter.
9181 (movti): New expander.
9183 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9185 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9188 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9190 * rtlanal.c (global_reg_mentioned_p_1,
9191 global_reg_mentioned_p): Remove.
9192 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9194 * flow.c (initialize_uninitialized_subregs): Make it static.
9195 * rtl.h: Remove the prototype for
9196 initialize_uninitialized_subregs.
9198 * function.c (instantiate_virtual_regs): Make it static.
9199 * function.h: Remove the prototype for
9200 instantiate_virtual_regs.
9202 * regmove.c (regmove_optimize, combine_stack_adjustments):
9204 * rtl.h: Remove the prototypes for regmove_optimize and
9205 combine_stack_adjustments.
9207 2006-01-17 Roger Sayle <roger@eyesopen.com>
9209 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9210 (size_cost): Encode costs in bytes so that a reg-reg addition is
9211 equivalent to COSTS_N_INSNS(1).
9212 (override_options): Use the size_cost.branch_cost as the default
9213 ix86_branch_cost when optimizing for size.
9215 2006-01-18 Ben Elliston <bje@au.ibm.com>
9217 * Makefile.in (D32PBIT_FUNCS): New.
9218 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9219 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9220 D64PBIT_FUNCS and D128PBIT_FUNCS.
9221 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9222 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9224 (decnumber_dep): Define.
9225 * doc/libgcc.texi (Decimal float library routines): New node.
9226 * config/dfp-bit.h, config/dfp-bit.c: New files.
9228 2006-01-18 Ben Elliston <bje@au.ibm.com>
9230 * expr.c (emit_move_change_mode): Always adjust addresses, not
9231 just during reload. Copy replacements only during reload.
9232 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9233 emit_move_via_integer.
9235 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9237 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9238 instead of $(srcdir) and ${srcdir}.
9240 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9244 * arm.h (struct machine_function): Add pic_reg.
9245 * arm.c (arm_pic_register): Make unsigned.
9246 (arm_override_options): Only set arm_pic_register if
9247 TARGET_SINGLE_PIC_BASE.
9248 (use_return_insn): Only test for a pic register if it is fixed.
9249 (arm_compute_save_reg0_reg12_mask): Likewise.
9250 (thumb_compute_save_reg_mask): Likewise.
9251 (legitimate_pic_operand): Factor out some known invariants.
9252 (legitimize_pic_address): If we don't have a fixed pic register,
9253 then set up a pseudo in the function entry sequence. Handle the
9254 pic base being in a pseudo.
9255 (arm_load_pic_register): Handle the pic register being in a pseudo.
9256 (arm_expand_prologue): Only set up the pic register if it is fixed.
9257 (thumb_expand_prologue): Likewise.
9258 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9259 (pic_load_addr_based_insn): Likewise.
9260 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9263 2006-01-18 Ben Elliston <bje@au.ibm.com>
9265 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9266 decimal float modes for all floating point registers.
9268 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9269 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9271 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9274 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9275 even when the pointer is not NULL.
9277 2006-01-16 Ian Lance Taylor <ian@airs.com>
9279 * common.opt (ftoplevel-reorder): New option.
9280 * cgraph.c (cgraph_asm_nodes): New global variable.
9281 (cgraph_asm_last_node): New static variable.
9282 (cgraph_order): New global variable.
9283 (cgraph_create_node): Set new order field.
9284 (cgraph_varpool_node): Likewise.
9285 (decide_is_variable_needed): Return true if not
9286 flag_toplevel_reorder.
9287 (cgraph_add_asm_node): New function.
9288 * cgraph.h (struct cgraph_node): Add order field.
9289 (struct cgraph_varpool_node): Add order field.
9290 (struct cgraph_asm_node): Define.
9291 (cgraph_asm_nodes, cgraph_order): Declare.
9292 (cgraph_add_asm_node): Declare.
9293 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9295 (cgraph_varpool_assemble_pending_decls): Call it.
9296 (cgraph_output_pending_asms): New static function.
9297 (cgraph_finalize_compilation_unit): Call it.
9298 (struct cgraph_order_sort): Define.
9299 (cgraph_output_in_order): New static function.
9300 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9301 !flag_toplevel_reorder case.
9302 * c-parser.c: Include "cgraph.h".
9303 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9305 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9306 than -fno-unit-at-a-time.
9307 * doc/invoke.texi (Option Summary): Mention
9308 -fno-toplevel-reorder.
9309 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9310 -funit-at-a-time documentation.
9312 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9313 Kazu Hirata <kazu@codesourcery.com>
9315 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9317 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9319 * Makefile.in (FUNCTION_H): New. Use it instead of
9320 function.h throughout the file.
9321 * function.h: Include tree.h.
9323 2006-01-17 Ben Elliston <bje@au.ibm.com>
9325 * recog.c: Separate some functions with whitespace.
9327 2006-01-16 Richard Henderson <rth@redhat.com>
9329 Merge from gomp branch:
9330 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9331 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9332 and rename from struct inline_data. Rename callee* to dst*;
9333 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9334 transform_new_cfg, transform_return_to_modify, and
9335 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9337 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9338 (copy_decl_for_dup): Remove.
9339 * tree-inline.c (struct inline_data): Move to header.
9340 (insert_decl_map): Export.
9341 (remap_decl): Update for member name changes. Use copy_decl hook.
9342 Allow for replacement to be a non-decl. Remove dead code.
9343 (remap_type_1): Check for existing mapping.
9344 (remap_type): Export.
9345 (remap_decls): Update for member name changes.
9346 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9347 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9348 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9349 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9350 (tree_function_versioning, build_duplicate_type): Likewise.
9351 (copy_body_r): Likewise. Export.
9352 (copy_decl_for_dup): Split into ...
9353 (copy_decl_for_dup_finish, copy_decl_to_var,
9354 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9355 (replace_ref_tree, inlining_p): Remove.
9357 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9359 * ifcvt.c (if_convert): Make it static.
9360 * rtl.h: Remove the prototype for if_convert.
9362 * local-alloc.c (local_alloc): Make it static.
9363 * rtl.h: Remove the prototype for local_alloc.
9365 * loop.c (loop_optimize): Make it static.
9366 * cfgloop.h: Remove the prototype for loop_optimize.
9369 2006-01-16 DJ Delorie <dj@redhat.com>
9371 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9374 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9376 * pa.md: Disparage copies between general and floating-point registers
9377 in 32-bit move patterns.
9379 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9382 * Makefile.in (check-%): Depend on site.exp instead of
9383 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9386 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9388 * global.c (global_alloc): Make it static.
9389 * rtl.h: Remove the prototype for global_alloc.
9391 2006-01-16 Richard Guenther <rguenther@suse.de>
9393 * tree-ssa-alias.c (struct used_part): Add write_only field.
9394 (get_or_create_used_part_for): Initialize it to true.
9395 (create_overlap_variables_for): Don't create structure variables
9396 for structures that only are written to.
9397 (find_used_portions): Handle MODIFY_EXPR to track whether a
9398 structure is only written to.
9400 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9402 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9404 * basic-block.h: Remove the prototype for
9405 partition_hot_cold_basic_blocks.
9407 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9409 * cppspec.c (lang_specific_spec_functions): Remove.
9410 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9411 * gcc.h (lang_specific_spec_functions): Remove.
9412 * gccspec.c (lang_specific_spec_functions): Remove.
9414 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9416 * combine.c (record_value_for_reg): Invalidate registers
9418 (record_dead_and_set_regs_1): Likewise, by passing them to
9419 record_value_for_reg.
9420 (record_dead_and_set_regs): Invalidate stores made by a
9421 call. We do not combine across a call, but we still
9422 relied on equivalences.
9424 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9426 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9427 vrp_int_const_binop returning non-constant nodes.
9429 2006-01-16 Paul Brook <paul@codesourcery.com>
9431 * config/m68k/m68k.c (output_move_const_into_data_reg):
9432 Output correct mnemonic for mvz and mvs.
9434 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9436 * rtl-factoring.c: Add sequence abstraction algorithm.
9437 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9438 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9440 (block_has_preserve_label): New function.
9441 * common.opt: Register new pass.
9442 * Makefile.in: Ditto.
9444 * timevar.def: Ditto.
9445 * tree-pass.h: Ditto.
9446 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9447 * rtl.h (make_jump_insn_raw): Add forward decl.
9448 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9450 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9451 Roger Sayle <roger@eyesopen.com>
9453 * fold-const.c (fold_minmax): New static function.
9454 (fold_binary) <MIN_EXPR>: Call it.
9455 <MAX_EXPR>: Likewise.
9456 * stor-layout.c (place_field): Use DECL_SIZE consistently
9457 in the computation of the new record size.
9459 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9461 * cse.c (cse_condition_code_reg): Make it static.
9462 * rtl.h: Remove the prototype for cse_condition_code_reg.
9464 * combine.c (combine_instructions): Make it static.
9465 * rtl.h: Remove the prototype for combine_instructions.
9467 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9470 * tree.c (get_file_function_name_long): Concatenate the first global
9471 object name with a string derived from the input filename of the object
9474 2006-01-16 Ben Elliston <bje@au.ibm.com>
9476 * config/i386/winnt-stubs.c: Update FSF address.
9477 * config/xtensa/ieee754-df.S: Ditto.
9478 * config/xtensa/ieee754-sf.S: Ditto.
9480 2006-01-14 Ian Lance Taylor <ian@airs.com>
9482 * ifcvt.c (noce_init_if_info): New static function, broken out of
9483 noce_process_if_block.
9484 (noce_process_if_block): Call noce_init_if_info.
9485 (check_cond_move_block): New static function.
9486 (cond_move_process_if_block): New static function.
9487 (process_if_block): Call cond_move_process_if_block.
9489 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9491 * cselib.c (hash_table): Rename to cselib_hash_table.
9492 (cselib_clear_table, discard_useless_values,
9493 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9494 cselib_init, cselib_finish): Adjust uses of hash_table.
9496 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9498 PR tree-optimization/25485
9499 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9500 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9501 is known to be false and true, respectively.
9503 2006-01-14 Richard Guenther <rguenther@suse.de>
9505 PR tree-optimization/22548
9506 PR tree-optimization/22555
9507 PR tree-optimization/22501
9508 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9509 * params.def (salias-max-array-elements): New parameter.
9510 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9511 * doc/invoke.texi (salias-max-array-elements): Document.
9512 * tree-flow-inline.h (var_can_have_subvars): We also handle
9514 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9516 * tree-ssa-structalias.c (params.h): Include.
9517 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9518 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9519 (get_constraint_for): For ADDR_EXPR operating on something
9520 containing an ARRAY_REF, add all subvars to the solution.
9521 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9522 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9523 for creating MUST_DEFs.
9524 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9526 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9528 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9530 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9531 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9532 number_of_iterations_le): New functions.
9533 (number_of_iterations_special): Removed.
9534 (number_of_iterations_exit): Do not use number_of_iterations_special.
9535 * tree.c (unsigned_type_for): Always return integer type.
9537 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9538 Richard Guenther <rguenther@suse.de>
9540 PR rtl-optimization/24257
9541 * gcse.c (find_moveable_store): Only consider a store movable
9542 when the SET_SRC of the insn can be assigned to a register.
9544 2006-01-14 Ian Lance Taylor <ian@airs.com>
9546 * tree.c (tree_not_class_check_failed): New function.
9547 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9548 (tree_not_class_check_failed): Declare.
9550 2006-01-13 Ian Lance Taylor <ian@airs.com>
9552 * reload1.c (do_output_reload): Add assertion rejecting a
9555 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9557 * combine.c (struct reg_stat): Add new fields truncation_label and
9559 (record_value_for_reg): Reset truncated_to_mode.
9560 (record_truncated_value): New function.
9561 (check_promoted_subreg): Call it. Rename to check_conversions.
9562 (combine_instructions): Rename check_promoted_subreg to
9564 (reg_truncated_to_mode): New function.
9565 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9566 (gen_lowpart_or_truncate): New function.
9567 (force_to_mode): Use it instead of gen_lowpart.
9569 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9571 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9572 VAR is a tag, not its type tag.
9574 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9576 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9577 alternatives to match style of other entries.
9578 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9580 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9582 PR tree-optimization/25771
9583 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9586 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9589 * tree-inline.c (declare_return_variable): If the return variable
9590 was marked as a non gimple complex, set the return slot variable
9591 to be a non gimple comple variable.
9593 2006-01-13 Richard Guenther <rguenther@suse.de>
9595 * builtins.c (expand_builtin_sincos): New function.
9596 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9598 (expand_builtin): Expand sincos using expand_builtin_sincos.
9600 2006-01-12 DJ Delorie <dj@redhat.com>
9602 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9603 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9604 so that constant shifts can be split.
9605 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9606 (m32c_valid_pointer_mode): Make static.
9607 (shift_gen_func_for): New.
9608 (m32c_prepare_shift): Use it. Split large const shifts into
9610 * config/m32c/predicates.md (shiftcount_operand): Allow more
9612 (longshiftcount_operand): New.
9613 * doc/md.texi (Machine Constraints): Document In6.
9615 2006-01-13 Ben Elliston <bje@au.ibm.com>
9617 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9618 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9621 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9623 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9624 to try to avoid clobbering pieces of structures when we know
9625 something about the whole structure.
9626 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9628 2006-01-13 Ben Elliston <bje@au.ibm.com>
9630 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9631 return in memory, as this is no limitation is no longer present.
9633 2006-01-12 DJ Delorie <dj@redhat.com>
9635 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9636 mova with fb, and for fb+0 -> An.
9638 * config/m32c/mov.md (peephole2): Fix enabling logic.
9640 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9641 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9642 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9643 FINI_ARRAY_SECTION_ASM_OP): Define.
9645 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9647 (m32c_legitimize_reload_address): New logic to reload FB to An.
9648 (m32c_output_reg_push): Add newline.
9649 (m32c_output_reg_pop): Likewise.
9651 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9653 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9655 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9657 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9659 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9661 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9664 2006-01-11 Ben Elliston <bje@au.ibm.com>
9666 * rtlanal.c (find_reg_note): Assert insn is not null.
9668 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9670 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9673 2006-01-11 Jeff Law <law@redhat.com>
9675 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9677 (mark_threaded_blocks, register_jump_thread): New functions.
9678 (thread_through_all_blocks): Remove unwanted argument. No
9679 longer rely on e->aux to communicate thread target info.
9680 Call mark_threaded_blocks. Release the threaded_blocks
9681 bitmap and threaded_edges vector when complete.
9682 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9683 (threaded_blocks): Remove.
9684 (tree_ssa_dominator_optimize): Remove initialization and
9685 finalization of threaded_blocks. Simplify call to
9686 thread_through_all_blocks.
9687 (thread_across_edge): Call register_jump_thread rather than
9688 storing thread information into e->aux.
9689 (free_all_edge_infos): Simplify now that e->aux is no longer
9690 used to communicate with thread_through_all_blocks.
9691 * tree-flow.h (thread_through_all_blocks): Update prototype.
9692 (register_jump_thread): Prototype.
9694 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9696 * df-core.c (df_compact_blocks, df_bb_replace): Use
9697 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9699 2006-01-11 Richard Guenther <rguenther@suse.de>
9701 PR tree-optimization/25734
9702 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9703 stop propagation after successful propagation to the LHS.
9705 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9707 * basic-block.h (control_flow_graph): Change the type of
9708 x_basic_block_info to VEC(basic_block,gc) *.
9709 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9711 (SET_BASIC_BLOCK): New.
9712 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9713 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9714 * cfgbuild.c (find_basic_blocks): Likewise.
9715 * cfglayout.c (fixup_reorder_chain): Likewise.
9716 * cfgrtl.c (create_basic_block_structure,
9717 rtl_create_basic_block): Likewise.
9718 * ifcvt.c (find_if_case_1): Likewise.
9719 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9722 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9724 * Makefile.in: Removed rotted odf.c entry.
9726 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9729 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9730 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9731 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9732 output pattern modifier, not %e.
9733 * config/cris/cris.c (cris_op_str): Update comment about pattern
9735 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9736 before falling through into...
9737 <case 'E'>: Redefined from old 'e' case.
9739 2006-01-11 Jan Hubicka <jh@suse.cz>
9742 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9744 2006-01-11 Jan Hubicka <jh@suse.cz>
9746 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9747 * i386.c (x86_decompose_lea): Kill.
9748 (ix86_rtx_costs): Kill.
9750 2006-01-11 Jan Hubicka <jh@suse.cz>
9752 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9753 * cgraph.h (cgraph_node): Add inline_decl.
9754 (cgraph_insert_node_to_hashtable): Declare.
9755 (save_inline_function_body): Declare.
9756 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9758 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9759 (cgraph_function_versioning): Update call of tree_function_versioning.
9760 (save_inline_function_body): New function.
9761 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9762 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9763 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9764 (cgraph_default_inline_p): Likewise.
9765 (cgraph_decide_inlining_incrementally): Likewise.
9766 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9767 (copy_bb): Kill saving; do updating of clones.
9768 (copy_cfg_body): Kill saving.
9769 (initialize_inlined-parameters): Likewise.
9770 (expand_call_inline): Likewise.
9772 (tree_function_versioning): New parameter "update_clones".
9773 (inlining_p): Kill saving.
9774 * tree-inline.h (tree_function_versioning): Update prototype.
9775 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9778 2006-01-11 Ian Lance Taylor <ian@airs.com>
9780 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9781 Allow undoing set of machine mode.
9782 (do_SUBST): Use enums instead of is_int.
9783 (do_SUBST_MODE): New function.
9784 (SUBST_MODE): New macro.
9785 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9786 reg and trying to replace reg_regno_rtx with a new register.
9787 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9788 (simplify_set): Use SUBST_MODE.
9789 (distribute_notes): Remove code that tried to update reg notes
9790 for regno_reg_rtx changes.
9792 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9794 PR tree-optimization/23109
9795 PR tree-optimization/23948
9796 PR tree-optimization/24123
9798 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9799 * tree-cfg.c (single_noncomplex_succ): New.
9800 * tree-flow.h (single_noncomplex_succ): Declare it.
9801 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9802 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9803 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9804 insert_bb, register_division_in, insert_reciprocals,
9805 replace_reciprocal, free_bb): New.
9806 (execute_cse_reciprocals_1): Rewritten.
9807 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9808 Do not commit any edge insertion. Always compute dominators and
9809 create the allocation pool.
9810 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9811 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9812 * targhooks.c (default_min_divistions_for_recip_mul): New.
9813 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9814 * passes.c (init_optimization_passes): Run recip after tree loop
9816 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9818 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9819 Kenneth Zadeck <zadeck@naturalbridge.com>
9821 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9822 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9823 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9824 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9825 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9826 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9827 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9828 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9829 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9830 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9831 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9832 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9833 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9834 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9835 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9836 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9837 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9838 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9839 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9840 DF_SCAN_POST_ALLOC): New macros.
9841 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9842 df_free_bb_function, df_local_compute_function, df_init_function,
9843 df_dataflow_function, df_confluence_function_0,
9844 df_confluence_function_n, df_transfer_function,
9845 df_finalizer_function, df_free_function, df_dump_problem_function,
9846 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9847 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9848 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9849 df_urec_bb_info, ) New types.
9850 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9852 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9853 df_analyze_simple_change_some_blocks,
9854 df_analyze_simple_change_one_block, df_compact_blocks,
9855 df_bb_replace, df_bb_regno_last_use_find,
9856 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9857 df_insn_regno_def_p, df_find_def, df_find_use,
9858 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9859 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9860 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9861 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9862 debug_df_chain, df_get_dependent_problem, df_chain_create,
9863 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9864 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9865 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9866 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9867 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9868 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9869 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9870 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9871 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9872 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9873 df_reorganize_refs, df_set_state, df_hard_reg_init,
9874 df_read_modify_subreg_p) New public functions.
9875 * df-core.c: The core dataflow solver and glue routines for rtl
9877 (df_init, df_add_problem, df_set_blocks, df_finish,
9878 df_hybrid_search_forward, df_hybrid_search_backward,
9879 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9880 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9881 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9882 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9883 df_reg_defined, df_find_use, df_reg_used, df_dump,
9884 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9885 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9886 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9887 debug_df_useno, reset_df_after_reload): New functions.
9888 * df-scan.c: The scanning fuctions, once in df.c, completely
9889 rewritten so that they now fully model the functionality of
9890 register usage at the backend.
9891 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9892 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9893 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9894 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9895 df_get_artificial_defs, df_get_artificial_uses,
9896 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9897 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9898 df_refs_delete, df_reorganize_refs, df_set_state,
9899 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9900 df_def_record_1, df_defs_record, df_uses_record,
9901 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9902 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9903 df_record_exit_block_uses, df_hard_reg_init): New functions.
9905 * df-problems.c: Seven concrete dataflow problems that use the
9906 scanning in df-scan.c and are solved by the engine in df-core.c.
9907 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9908 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9909 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9910 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9911 df_ru_free_bb_info, df_ru_alloc,
9912 df_ru_bb_local_compute_process_def,
9913 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9914 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9915 df_ru_transfer_function, df_ru_free, df_ru_dump,
9916 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9917 df_rd_free_bb_info, df_rd_alloc,
9918 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9919 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9920 df_rd_transfer_function, df_rd_free, df_rd_dump,
9921 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9922 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9923 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9924 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9925 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9926 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9927 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9928 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9929 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9930 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9931 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9932 df_urec_mark_reg_use_for_earlyclobber,
9933 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9934 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9935 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9936 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9937 df_chain_create_bb_process_use, df_chain_create_bb,
9938 df_chain_finalize, df_chain_free, df_chains_dump,
9939 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9940 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9941 df_reg_lifetime): New functions.
9942 * df.c: Deleted file.
9943 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9944 consistent with new df api.
9945 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9946 rest_of_handle_sms): Ditto.
9947 * web.c (unionfind_union, union_defs, entry_register, web_main):
9949 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9950 invariant_expr_equal_p, find_defs, check_dependencies,
9951 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9952 free_inv_motion_data, move_loop_invariants): Ditto.
9953 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9954 Update dependencies.
9955 (odf.c): Added defective entry that was deleted later in day.
9956 * sched-deps.c (sched_analyze_1): Ditto.
9958 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9960 * tree-ssa-operands.c (get_expr_operands): Record addressable
9961 variables directly. Do not call add_stmt_operands for CONST_DECLs
9963 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9964 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9966 2006-01-11 Ben Elliston <bje@au.ibm.com>
9968 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9969 function returns true in the positive case.
9971 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9974 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9975 for SI, DI, SF and DF modes. Add alternatives to copy between
9976 general and floating point registers to the 32-bit patterns.
9977 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9978 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9979 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9980 generating 64-bit code.
9981 * config/pa/pa.c (output_move_double): Handle copies between general
9982 and floating registers.
9984 2006-01-10 Stuart Hastings <stuart@apple.com>
9986 * config/i386/i386.md (set_got): Update.
9987 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9988 (builtin_setjmp_receiver): Mach-O support.
9989 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9990 (GOT_SYMBOL_NAME): Define.
9991 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9992 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9993 * config/i386/i386.c (override_options): Revise for Darwin.
9994 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9995 support. (darwin_x86_file_end): New. (output_set_got): Add label
9996 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9997 * config/i386/i386-protos.h (output_set_got): Likewise.
9998 * config/darwin.c (machopic_legitimize_pic_address): Update
10001 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10003 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10004 when MODE isn't BLKmode.
10006 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10008 PR rtl-optimization/25367
10009 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10011 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10014 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10015 for a negative bound.
10017 2006-01-10 Richard Guenther <rguenther@suse.de>
10019 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10020 Never override with anything constraint.
10022 2006-01-10 Jan Beulich <jbeulich@novell.com>
10024 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10025 256 bits when optimize_size.
10027 2006-01-10 Jan Beulich <jbeulich@novell.com>
10029 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10031 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10032 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10035 2006-01-10 Ben Elliston <bje@au.ibm.com>
10037 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10039 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10040 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10041 (USE_FP_FOR_ARG): Reject decimal float modes.
10042 (function_arg_advance): Likewise.
10043 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10044 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10045 point types in AltiVec vectors.
10046 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10047 (rs6000_libcall_value): Likewise.
10049 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10051 * config/xtensa/ieee754-df.S: New file.
10052 * config/xtensa/ieee754-sf.S: New file.
10053 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10054 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10055 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10057 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10059 * config/sh/predicates.md (binary_float_operator,
10060 binary_logical_operator, commutative_float_operator,
10061 equality_comparison_operator, greater_comparison_operator,
10062 less_comparison_operator, logical_operator,
10063 noncommutative_float_operator, shift_operator,
10064 symbol_ref_operand, unary_float_operator): Remove redundant
10067 2006-01-09 Jeff Law <law@redhat.com>
10069 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10070 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10071 now unused arguments. Callers updated.
10072 (eliminate_redundant_computations): Remove now unused arguments,
10074 (local_fold): Remove, no longer used.
10075 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10077 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10078 (simplify_cond): New function.
10079 (forward_propagate_into_cond): Call simplify_cond.
10081 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10083 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10084 (*vec_extractv2di_1_sse): New.
10086 2006-01-09 Ben Elliston <bje@au.ibm.com>
10088 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10090 2006-01-08 Richard Guenther <rguenther@suse.de>
10092 * tree-ssa-structalias.c (get_constraint_for): Remove
10093 anyoffset argument.
10094 (get_constraint_for_component_ref): Likewise.
10095 (do_deref): Likewise.
10096 (get_constraint_for): Likewise.
10097 (do_structure_copy): Likewise.
10098 (handle_ptr_arith): Likewise.
10099 (find_func_aliases): Likewise. Remove unused need_anyoffset
10102 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10103 Kaz Kojima <kkojima@gcc.gnu.org>
10105 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10106 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10107 (EXTRA_CONSTRAINT_C16): Remove.
10108 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10109 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10110 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10111 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10112 constants of SHmedia. Handle nested constant expressions of
10114 (andcosts): Fix the costs for SHmedia constants.
10115 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10116 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10117 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10118 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10119 (movv4hi_i, movv2si_i): Likewise.
10120 (movsi_const): Adjust the second operand of ior so to match with
10121 the Csu constraint.
10122 (movdi_const, movdi_const_32bit): Likewise.
10123 (movdi_const_16bit+1): Don't sign-extend LOW.
10124 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10126 (*double_shori): Fix the split condition. Use GEN_INT instead
10127 of get_int_mode calls. Mask lower 16-bit of the argument of
10129 (sym2GOTPLT): Remove.
10130 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10132 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10133 instead of EXTRA_CONSTRAINT_C16.
10135 2006-01-07 Ian Lance Taylor <ian@airs.com>
10136 David Edelsohn <edelsohn@gnu.org>
10138 PR rtl-optimization/25662
10139 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10140 for constant operands instead of simplify_gen_binary.
10141 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10142 after trying simplify_binary_operation
10144 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10146 * tree.c (iterative_hash_expr): Hash decls based on UID.
10148 2006-01-06 Eric Christopher <echristo@apple.com>
10150 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10151 (TARGET_UNWIND_EMIT): Fix spelling.
10152 * target.h (gcc_target): Add except_table_label.
10153 * except.c (output_function_exception_table): Use.
10154 * varasm.c (default_emit_except_table_label): New.
10155 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10157 (asm_out): Add here.
10158 * output.h (default_emit_except_table_label): Prototype.
10159 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10160 * config/darwin.c (darwin_emit_except_table_label): Define.
10161 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10163 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10165 PR tree-optimization/18527
10166 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10167 number_of_iterations_special, number_of_iterations_exit):
10168 Move base and step of an iv to a single structure. Add
10169 no_overflow flag, and use it in # of iterations analysis.
10170 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10171 folded_casts argument.
10172 (simple_iv): Pass base and step in a structure. Set no_overflow
10174 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10175 Evaluate expensiveness of computing # of iterations instead of
10176 the final expression.
10177 * tree-scalar-evolution.h (affine_iv): New structure.
10178 (simple_iv): Declaration changed.
10179 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10180 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10181 find_givs_in_stmt): Changed due to simple_iv change.
10183 2006-01-06 Jeff Law <law@redhat.com>
10186 * tree-cfg.c (bsi_replace): Rename final argument from
10187 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10188 change (stmt -> orig_stmt).
10189 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10190 (bsi_remove): Add new argument. Remove EH information
10192 (verify_eh_throw_table_statements): New function.
10193 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10195 * tree-optimize.c (execute_free_cfg_annotations): Verify
10196 the EH throw statement table after removing annotations.
10197 * except.h (verify_eh_throw_table_statements): Prototype.
10198 * tree-flow.h (bsi_remove): Update prototype.
10199 * tree-vrp.c (remove_range_assertions): Add new argument to
10201 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10202 * tree-complex.c (expand_complex_div_wide): Likewise.
10203 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10204 * tree-tailcall.c (eliminate_tailcall): Likewise.
10205 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10206 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10207 * tree-nrv.c (tree_nrv): Likewise.
10208 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10209 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10210 (combine_blocks): Likewise.
10211 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10212 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10213 (cleanup_control_flow): Likewise.
10214 (remove_forwarder_block): Likewise.
10215 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10216 * tree-sra.c (sra_replace): Likewise.
10217 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10218 (forward_propagate_single_use_vars): Likewise.
10219 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10220 * tree-inline.c (expand_call_inline): Likewise.
10221 * tree-vect-transform.c (vect_transform_loop): Likewise.
10222 * tree-outof-ssa.c (rewrite_trees): Likewise.
10223 * tree-cfg.c (make_goto_expr_edges): Likewise.
10224 (cleanup_dead_labels): Likewise.
10225 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10226 (bsi_move_before, bsi_move_after): Likewise.
10227 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10228 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10230 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10233 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10235 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10236 on non gimple variables. Also add checks at the top for decls and
10238 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10240 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10241 and IMAGPART_EXPR for creating MUST_DEFs.
10242 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10243 and NAME_MEMORY_TAG separately from the DECLs.
10245 2006-01-06 Richard Guenther <rguenther@suse.de>
10247 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10248 annotation, if necessary.
10249 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10250 redundant calls to update_stmt.
10251 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10254 2006-01-05 Richard Henderson <rth@redhat.com>
10256 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10258 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10260 * c-typeck.c: Update copyright date.
10262 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10264 * c-typeck.c (build_c_cast): Always warn when casting
10265 from a pointer to an integer of different size, even if
10266 the node was constant.
10268 2006-01-05 Richard Guenther <rguenther@suse.de>
10270 PR tree-optimization/22555
10271 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10272 if one structure field is an array.
10273 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10274 operands even if we found a subvar, but ignore VOPs in this
10276 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10278 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10280 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10282 PR middle-end/24998
10283 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10285 2006-01-05 Richard Guenther <rguenther@suse.de>
10286 Diego Novillo <dnovillo@redhat.com>
10288 * tree-pass.h (TODO_remove_unused_locals): Define.
10289 * gimple-low.c (expand_var_p, remove_useless_vars,
10290 pass_remove_useless_vars): Remove. Update all users.
10291 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10292 (remove_unused_locals): New function.
10293 * tree-flow.h (remove_unused_locals): Declare.
10294 * passes.c (execute_todo): Call remove_unused_locals if
10295 TODO_remove_unused_locals is set.
10296 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10297 * tree-ssa-dce.c (pass_dce): Likewise.
10298 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10300 2006-01-05 Richard Guenther <rguenther@suse.de>
10302 * tree-flow.h (struct fieldoff): Decompose field to
10303 type, size and decl.
10304 * tree-ssa-alias.c (create_sft): Take type as parameter.
10305 (create_overlap_variables_for): Store type, size and decl
10306 in the fieldoff structure.
10307 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10308 of struct fieldoff.
10309 (push_fields_onto_fieldstack): Likewise.
10310 (create_variable_info_for): Likewise. Use offset for the
10311 SFT name if the decl is not available.
10313 2006-01-04 Paul Brook <paul@codesourcery.com>
10315 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10317 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10319 * lambda-code.c (can_put_in_inner_loop): Relax
10321 (can_put_after_inner_loop): New function.
10322 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10323 (perfect_nestify): Change to make copies and modify uses.
10325 2006-01-04 Richard Henderson <rth@redhat.com>
10327 Merge from gomp branch:
10328 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10329 via integer constant.
10330 (pragma_lex): Remove.
10331 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10332 rather than parsing it.
10333 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10334 handle_pragma_extern_prefix): Add %< %> quotes.
10335 (registered_pragmas): New.
10336 (c_register_pragma_1): New.
10337 (c_register_pragma): Use it.
10338 (c_register_pragma_with_expansion): Likewise.
10339 (c_invoke_pragma_handler): New.
10340 (init_pragma): Use cpp_register_deferred_pragma directly for
10342 * c-pragma.h (enum pragma_kind): New.
10343 (pragma_handler): New.
10344 (c_invoke_pragma_handler): Declare.
10345 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10347 * c-common.h (c_common_pch_pragma): Update decl.
10348 * Makefile.in (c-parser.o): Update dependencies.
10349 (GTFILES): Add c-pragma.h.
10350 * c-parser.c (struct c_token): Add pragma_kind.
10351 (struct c_parser): Add in_pragma.
10352 (c_lex_one_token): Always initialize keyword and pragma_kind.
10353 Extract data for CPP_PRAGMA.
10354 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10355 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10356 Don't allow CPP_PRAGMA_EOL if in_pragma.
10357 (c_parser_consume_pragma): New.
10358 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10359 (c_parser_skip_to_end_of_parameter): Likewise.
10360 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10361 (c_parser_skip_to_pragma_eol): New.
10362 (c_parser_external_declaration): Handle CPP_PRAGMA.
10363 (c_parser_compound_statement_nostart): Likewise.
10364 (c_parser_statement_after_labels): Likewise.
10365 (c_parser_pragma): New.
10366 (pragma_lex): Likewise.
10367 (c_parser_pragma_pch_preprocess): New.
10368 (c_parser_new): Merge into ...
10369 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10371 2006-01-04 Jeff Law <law@redhat.com>
10374 * tree-cfg.c (bsi_replace): Remove the original statement
10375 from the EH throw statement table.
10377 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10379 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10380 make the prototype extern "C" and add throw ().
10383 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10384 and pos non-negative and pos + len <= 32.
10385 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10386 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10387 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10390 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10391 as well as sizes not multiple of component size.
10394 * function.c (instantiate_expr): New function.
10395 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10396 walk its DECL_VALUE_EXPR with instantiate_expr.
10398 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10399 DW_OP_deref{,_size} if address isn't going to be added.
10401 2006-01-04 Ben Elliston <bje@au.ibm.com>
10403 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10404 * config/fp-bit.c: Likewise.
10406 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10408 * dominance.c: Add comment about why we use DFS numbering
10411 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10412 Richard Henderson <rth@redhat.com>
10414 Merge from gomp-branch:
10415 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10416 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10418 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10420 PR rtl-optimization/25578
10421 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10422 pass a parameter to simplify_shift_const if changing ASHIFTRT
10425 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10427 * builtins.c (get_builtin_sync_mem): New function.
10428 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10429 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10430 Call get_builtin_sync_mem to generate mem rtx.
10432 2006-01-03 Richard Guenther <rguenther@suse.de>
10435 * stmt.c (add_case_node): Make sure to clear overflow flags
10438 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10440 Merge from gomp-branch.
10441 * config/sparc/sync.md: New file.
10442 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10443 UNSPECV_LDSTUB): New constants.
10444 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10445 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10446 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10449 2006-01-03 Roger Sayle <roger@eyesopen.com>
10451 * combine.c (reg_subword_p): New predicate to test whether the
10452 destination of a set refers to a subword/piece of a register.
10453 (try_combine): Generalize the code to merge the setting of a
10454 pseudo to a constant followed by a set of a subword of that
10455 register to a constant.
10457 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10459 * basic-block.h (control_flow_graph): Change the type of
10460 x_label_to_block_map to VEC(basic_block,gc) *.
10461 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10462 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10464 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10465 VEC(basic_block,heap) *.
10466 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10467 ssa_prop_fini): Adjust the uses of cfg_blocks.
10469 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10471 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10473 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10474 hashing trees instead of a pointer hash.
10475 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10476 compare for MEM_EXPR.
10478 PR rtl-optimization/25130
10479 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10480 when comparing MEMs for GCSE
10482 2006-01-03 Ben Elliston <bje@au.ibm.com>
10484 * targhooks.h (default_decimal_float_supported_p): Declare.
10485 * targhooks.c (default_decimal_float_supported_p): Define.
10486 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10487 `default_decimal_float_supported_p'.
10488 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10490 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10492 * combine.c (apply_distributive_law <SUBREG>): Check
10493 TRULY_NOOP_TRUNCATION.
10495 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10497 * dwarf2out.c (have_switched_text_section): Delete.
10498 (have_multiple_function_sections): New.
10499 (have_location_lists): Make 'bool'.
10500 (add_AT_loc_list): Use 'true' not '1'.
10501 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10502 (output_loc_list): Use have_multiple_function_sections.
10503 (output_ranges): Likewise.
10504 (dwarf2out_begin_function): Set have_multiple_function_sections if
10506 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10507 Check function_section rather than DECL_SECTION_NAME.
10508 (dwarf2out_finish): Use have_multiple_function_sections.
10509 Don't clear have_location_lists.
10511 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10512 Jan Hubicka <jh@suse.cz>
10514 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10515 case of conditional jump jumping to the next instruction.
10516 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10517 cases of conditional jump jumping to the next instruction.
10519 2006-01-02 Jan Hubicka <jh@suse.cz>
10521 * i386.c (*_cost): Add COSTS_N_INSNS.
10522 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10524 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10527 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10529 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10531 * config/arm/arm.c (all_fpus): Fix comment typo.
10532 * config/darwin.c: Likewise.
10533 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10534 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10535 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10537 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10539 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10540 (rs6000_split_compare_and_swapqhi): New.
10541 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10542 (sync_compare_and_swapqhi_internal): New.
10543 * config/rs6000/rs6000-protos.h: Declare.