1 2006-05-02 Jeff Law <law@redhat.com>
3 PR tree-optimization/27364
4 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7 2006-05-02 Tom Tromey <tromey@redhat.com>
9 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
11 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
14 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
15 -mthumb -fPIC are used.
17 2006-05-02 Joshua Kinard <kumba@gentoo.org>
20 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
23 2006-05-02 Paul Brook <paul@codesourcery.com>
25 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
27 (create_fix_barrier): Check that a suitable barrier location is
29 (arm_reorg): Include ftmp->address in allowable range of addresses.
31 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
34 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
37 2006-05-02 Jakub Jelinek <jakub@redhat.com>
40 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
41 around RESULT_DECL for result passed by reference.
42 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
43 * omp-low.c (use_pointer_for_field): Don't look at
44 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
45 (scan_omp_1): Call remap_decl on RESULT_DECLs.
46 (lower_rec_input_clauses): Don't allocate VLA memory for the second
47 time or var for passing by reference for
48 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
49 TREE_ADDRESSABLE variables when passing by reference.
51 * omp-low.c (dump_omp_region): Fix output formatting.
54 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
55 (expand_omp_parallel): Likewise.
56 * tree-cfg.c (move_sese_region_to_fn): Likewise.
59 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
60 on statement list containing also constructors and destructors.
61 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
64 * except.c (duplicate_eh_regions): Fix clearing of
65 cfun->eh->region_array entries.
67 2006-05-01 DJ Delorie <dj@redhat.com>
69 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
71 (gcc_cv_objdump): Likewise.
72 * configure: Regenerated.
74 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
77 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
78 templates for case 3 and 4.
80 2006-05-01 DJ Delorie <dj@redhat.com>
82 * vec.c: Include bconfig.h when appropriate.
83 * Makefile.in (build/vec.o): Adjust dependencies.
84 * mkconfig.sh: Make sure config.h isn't used for build machine
87 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
89 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
91 (mark_phi_for_rewrite): New function.
92 (insert_phi_nodes_for, mark_use_interesting): Call
94 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
95 (update_ssa): Initialize and free phis_to_rewrite.
97 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
99 PR rtl-optimization/27291
100 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
101 folded to a constant.
103 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
105 PR tree-optimization/27283
106 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
107 not whole # of iteration descriptions.
108 (niter_for_exit): Return just # of iterations. Fail if # of iterations
109 uses abnormal ssa name.
110 (niter_for_single_dom_exit): Ditto.
111 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
112 return just the number of iterations.
114 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
116 PR tree-optimization/27144
117 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
118 (record_estimate): Only record constant upper bound.
119 (infer_loop_bounds_from_undefined): Call
120 compute_estimated_nb_iterations just once.
121 (proved_non_wrapping_p): Renamed to ...
122 (n_of_executions_at_most): ... this. Expect bound to be a constant.
123 (convert_step_widening, scev_probably_wraps_p): Call
124 n_of_executions_at_most instead of proved_non_wrapping_p.
125 (substitute_in_loop_info): Do not replace values in bounds.
126 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
129 2006-05-01 Richard Henderson <rth@redhat.com>
132 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
133 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
136 2006-05-01 Roger Sayle <roger@eyesopen.com>
138 * c-typeck.c (parser_build_binary_op): Don't call the function
139 unsigned_conversion_warning to spot operand/result type overflow.
140 (build_binary_op): Instead, call convert_and_check instead of
141 convert to report the problem when the operands are promoted.
142 * c-common.c (unsigned_conversion_warning): Make static.
143 * c-common.h (unsigned_conversion_warning): Delete prototype.
145 2006-05-01 Richard Guenther <rguenther@suse.de>
147 PR tree-optimization/26726
148 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
150 (find_interesting_uses_address): ... we work around here
151 by folding INDIRECT_REFs in the substituted base.
153 2006-05-01 Diego Novillo <dnovillo@redhat.com>
155 * omp-low.c (dump_omp_region): Add newlines.
157 2006-04-30 Roger Sayle <roger@eyesopen.com>
159 * common.opt (Woverflow): New command line option.
160 * c-common.c (constant_expression_warning): Check warn_overflow.
161 (overflow_waring): Pass OPT_Woverflow to warning.
162 (unsigned_conversion_warning): Likewise.
163 (convert_and_check): Likewise.
164 * doc/invoke.texi: Document new command line option.
166 2006-04-30 David Edelsohn <edelsohn@gnu.org>
168 * config/rs6000/rs6000.c (rs6000_override_options): Enable
169 TARGET_NO_FP_IN_TOC for section anchors.
170 (optimization_options): Enable section anchors for all
171 non-"Objective" languages.
173 2006-04-28 Eric Christopher <echristo@apple.com>
175 * config/darwin-c.c (darwin_ms_struct): Move this
176 (darwin_set_default_type_attributes): and this...
177 * config/darwin.c: ... here.
178 * config/darwin.h (darwin_ms_struct): Declare.
180 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
182 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
184 2006-04-28 Roger Sayle <roger@eyesopen.com>
187 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
188 (push_array_bounds): Delete prototype. Change BOUNDS argument to
189 an unsigned HOST_WIDE_INT.
190 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
192 (really_start_incremental_init): No need to call convert because
193 bitsize_zero_node is already of type bitsizetype.
194 (push_init_level): Extract the value of constructor_index as an
195 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
196 (process_init_element): Likewise.
198 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
200 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
201 value before passing to make_relative_prefix.
203 2006-04-28 Alan Modra <amodra@bigpond.net.au>
206 * builtins.c (expand_builtin_memset): Expand val in original mode.
208 2006-04-27 Eric Christopher <echristo@apple.com>
210 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
212 * config/darwin-c.c (darwin_ms_struct): New.
213 (darwin_pragma_ms_struct): Ditto.
214 (darwin_set_default_type_attributes): Ditto.
215 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
216 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
217 Register ms_struct pragma.
218 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
219 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
220 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
221 darwin_set_default_type_attributes if TARGET_MACHO.
223 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
225 PR tree-optimization/26854
226 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
227 * doc/tree-ssa.texi: Update immuse iterator documentation.
228 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
229 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
230 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
231 first_safe_imm_use, next_safe_imm_use): Remove.
232 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
233 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
234 (move_use_after_head): New. Helper function to sort immuses in a stmt.
235 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
236 (first_imm_use_stmt): New. Get first stmt in an immuse list.
237 (next_imm_use_stmt): New. Get next stmt in an immuse list.
238 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
239 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
240 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
241 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
242 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
243 (perfect_nestify): Use new iterator.
244 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
246 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
247 (next_imm_name): New field in struct immediate_use_iterator_d.
248 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
249 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
250 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
251 * tree-cfg.c (replace_uses_by): Use new iterator.
252 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
253 * tree-ssa-operands.c (correct_use_link): Remove.
254 (finalize_ssa_use_ops): No longer call correct_use_link.
256 2006-04-27 Stuart Hastings <stuart@apple.com>
258 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
259 * config/t-darwin (crt3.o): Use it.
260 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
261 'pmode', use Pmode instead of SImode for SYMBOL_REF.
262 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
263 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
264 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
267 2006-04-27 Roger Sayle <roger@eyesopen.com>
269 * expmed.c (store_fixed_bit_field): If we're not optimizing for
270 size, force the intermediate into a new pseudo rather instead of
271 performing both a bitwise AND and a bitwise IOR in memory.
273 2006-04-27 Richard Guenther <rguenther@suse.de>
275 PR rtl-optimization/26685
276 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
277 this one "max-flow-memory-locations".
279 2006-04-27 Richard Guenther <rguenther@suse.de>
281 PR tree-optimization/25148
282 * tree-vrp.c (compare_values): Remove code dealing with
283 comparisons against type min/max value. Honour overflow
284 and negative constants in code dealing with comparisons
285 of plus and minus expressions.
286 (value_inside_range): Use fold_binary with LE_EXPR and
287 GE_EXPR rather than compare_values.
289 2006-04-27 Dirk Mueller <dmueller@suse.de>
291 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
294 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
296 * basic-block.h (safe_insert_insn_on_edge): Removed.
297 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
300 2006-04-26 David Edelsohn <edelsohn@gnu.org>
301 Paolo Bonzini <bonzini@gnu.org>
304 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
305 (simplify_and_const_int): Same.
307 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
309 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
311 2006-04-26 Jakub Jelinek <jakub@redhat.com>
314 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
315 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
316 cgraph_global_info_ready.
319 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
322 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
323 either decl or init is error_mark_node.
326 * tree-flow.h (struct omp_region): Add sched_kind.
327 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
328 instead of extracting omp for data.
329 (expand_omp_for): Save extracted sched_kind.
331 2006-04-25 Roger Sayle <roger@eyesopen.com>
333 * expmed.c (store_bit_field): Also check whether the bitsize is
334 valid for the machine's "insv" instruction before moving the
335 target into a pseudo for use with the insv.
336 * config/i386/predicates.md (const8_operand): New predicate.
337 * config/i386/i386.md (extv, extzv, insv): Use the new
338 const8_operand predicate where appropriate.
340 2006-04-25 DJ Delorie <dj@redhat.com>
342 * doc/install.texi (Specific): Clarify that this is not a list of
343 supported hosts or targets.
345 2006-04-25 Richard Sandiford <richard@codesourcery.com>
347 PR rtl-optimization/26725
348 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
349 block's BB_DIRTY flag.
351 2006-04-25 Geoffrey Keating <geoffk@apple.com>
353 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
356 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
359 2006-04-25 David Edelsohn <edelsohn@gnu.org>
361 * varasm.c (align_variable): New function.
362 (get_block_for_decl): Apply align_variable to DECL before
363 calculating section information.
364 (assemble_variable): Split out alignment computation.
366 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
368 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
371 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
373 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
374 MODE_PARTIAL_INT mode.
375 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
376 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
378 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
379 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
381 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
383 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
385 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
386 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
387 MACFLAG_IH): Likewise.
388 (movstricthi_1): Renamed from "*movstricthi".
389 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
390 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
391 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
392 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
393 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
394 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
395 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
396 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
397 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
398 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
399 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
400 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
401 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
402 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
403 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
405 * doc/rtl.texi (ss_ashift): Improve wording.
407 2006-04-24 Geoffrey Keating <geoffk@apple.com>
409 * dwarf2out.c (verify_marks_clear): New.
410 (prune_unused_types): Call verify_marks_clear initially, not
413 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
415 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
416 * doc/rtl.texi: Document them.
417 * simplify-rtx.c (simplify_unary_operation,
418 simplify_binary_operation_1): Don't abort when we see them.
420 2006-04-24 Mark Mitchell <mark@codesourcery.com>
423 2006-04-23 Mark Mitchell <mark@codesourcery.com>
424 * configure.ac: Completely disregard languages that are not
426 * configure: Regenerated.
428 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
429 Richard Guenther <rguenther@suse.de>
431 PR tree-optimization/27236
432 * tree-inline.c (copy_body_r): Make sure to copy
433 TREE_THIS_VOLATILE flag.
435 2006-04-24 Richard Guenther <rguenther@suse.de>
438 * tree-complex.c (update_parameter_components): Don't handle
439 unused parameters which have no default def.
441 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
442 Richard Guenther <rguenther@suse.de>
444 PR tree-optimization/27218
445 * tree-inline.c (expand_call_inline): Strip useless type
446 conversions for the return slot address.
448 2006-04-24 Richard Guenther <rguenther@suse.de>
450 * cfgloop.h (struct loops): Remove unused field array. Reorder
452 (LOOP_PREFETCH): Remove.
454 2006-04-24 Richard Guenther <rguenther@suse.de>
456 PR tree-optimization/22525
457 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
458 variable, adjust types of generated expressions.
460 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
462 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
463 (tree-vect-patterns.o): Likewise.
465 (cselib.o): Likewise.
466 (loop-doloop.o): Likewise.
467 (regclass.o): Likewise.
468 (reload1.o): Likewise.
469 (explow.o): Replace target.h with $(TARGET_H).
470 (ipa-prop.o): Likewise.
471 (ipa-cp.o): Likewise.
472 (ipa-inline.o): Likewise.
474 (reg-stack.o): Likewise.
476 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
478 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
480 2006-04-23 Mark Mitchell <mark@codesourcery.com>
482 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
484 * configure.ac: Completely disregard languages that are not
486 * configure: Regenerated.
489 * c-common.h (c_build_bitfield_integer_type): Declare.
490 * c-decl.c (c_build_bitfield_integer_type): Move to ...
491 * c-common.c (c_build_bitfield_integer_type): ... here.
493 2006-04-23 Roger Sayle <roger@eyesopen.com>
496 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
497 a SImode SUBREG of a floating point register after no_new_pseudos.
499 2006-04-23 Roger Sayle <roger@eyesopen.com>
501 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
502 identify potentially eliminable registers to additionally catch
503 VIRTUAL_INCOMING_ARGS_REGNUM.
504 (addsi3): Update the conditions on when to use addsi_small_int.
506 2006-04-23 Roger Sayle <roger@eyesopen.com>
509 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
510 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
511 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
513 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
515 * fold-const.c (range_predecessor): Use operand_equal_p
516 as the predicate for equality.
517 (range_successor): Likewise.
519 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
522 * config/soft-fp/op-common.h: Fix a typo.
524 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
527 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
528 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
530 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
532 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
534 * doc/tm.texi: Fix a typo.
536 2006-04-21 Geoffrey Keating <geoffk@apple.com>
538 * dwarf2out.c (struct die_struct): Document that die_sib makes
539 a circular linked list.
540 (FOR_EACH_CHILD): New.
541 (reverse_die_lists): Delete.
542 (reverse_all_dies): Delete.
543 (add_dwarf_attr): Correct documentation.
544 (remove_child_with_prev): New.
545 (remove_child_TAG): Update for change to die_struct, use
546 remove_child_with_prev.
547 (add_child_die): Update for change to die_struct.
548 (splice_child_die): Use remove_child_with_prev and add_child_die.
549 (print_die): Use FOR_EACH_CHILD.
550 (die_checksum): Likewise.
551 (assign_symbol_names): Likewise.
552 (output_location_lists): Likewise.
553 (build_abbrev_table): Likewise.
554 (calc_die_sizes): Likewise.
555 (mark_dies): Likewise.
556 (unmark_dies): Likewise.
557 (unmark_all_dies): Likewise.
558 (output_die): Likewise.
559 (prune_unused_types_mark): Likewise.
560 (prune_unused_types_walk): Likewise.
561 (same_die_p): Update for change to die_struct.
562 (break_out_includes): Likewise.
563 (prune_unused_types_prune): Likewise.
564 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
565 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
567 (dwarf2out_finish): Don't call reverse_all_dies.
569 2006-04-21 Eric Christopher <echristo@apple.com>
571 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
572 in comments and function names.
574 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
577 * c-typeck.c (digest_init): Robustify.
579 * c-typeck.c (pop_init_level): Simplify.
581 2006-04-21 Steve Ellcey <sje@cup.hp.com>
583 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
585 2006-04-21 Paul Brook <paul@codesourcery.com>
587 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
588 hardware floating point.
590 2006-04-21 David Edelsohn <edelsohn@gnu.org>
592 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
595 2006-04-21 Nick Clifton <nickc@redhat.com>
597 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
600 2006-04-21 Alan Modra <amodra@bigpond.net.au>
603 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
604 C++ lang type in traceback table for Objective-C++.
606 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
608 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
610 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
612 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
615 * tree-mudflap.c (mudflap_finish_file): Skip function when there
616 were errors. Remove check for erroneous objects.
618 2006-04-20 Jeff Law <law@redhat.com>
620 PR tree-optimization/26854
621 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
622 checking for zero or one use.
623 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
624 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
625 * tree-ssa-reassoc.c (negate_value): Similarly.
626 (reassociate_bb): Similarly.
628 2006-04-20 Jakub Jelinek <jakub@redhat.com>
630 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
631 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
632 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
634 2006-04-20 Alan Modra <amodra@bigpond.net.au>
636 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
637 fp regs if the last fp arg doesn't fit in regs.
639 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
642 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
643 that the last insn has the REG_INC note.
645 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
646 Nathan Sidwell <nathan@codesourcery.com>
649 * stor-layout.c (update_alignment_for_field): Do not align
651 (place_union_field): Place union field at the start of the union.
652 (place_field): Move ERROR_MARK check later, and use the current
653 allocation position to maintain monotonicity.
655 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
657 * dominance.c: Include timevar.h.
658 (calculate_dominance_info): Use TV_DOMINANCE.
659 * timevar.def (TV_DOMINANCE): New timevar.
660 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
662 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
664 PR rtl-optimization/14261
665 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
666 move would be an INSV insn.
667 (noce_process_if_block): Don't optimize if the destination is a
668 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
670 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
672 * config/s390/s390.md: Add comments with the instructions emitted
673 by an insn pattern if macros are used.
675 2006-04-19 Alan Modra <amodra@bigpond.net.au>
677 PR rtl-optimization/26026
678 * fold-const.c (fold_binary): Optimize div and mod where the divisor
679 is a known power of two shifted left a variable amount.
681 2006-04-18 Geoffrey Keating <geoffk@apple.com>
683 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
684 to hash table twice when the debug_str section has SECTION_MERGE.
686 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
688 * config/soft-fp: New directory. From glibc.
689 * config/soft-fp/t-softfp: New.
690 * config/soft-fp/README: New.
691 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
692 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
693 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
694 (LIBGCC_DEPS): Add $(SFP_MACHINE).
695 * config.gcc: Use rs6000/t-fprules-fpbit or
696 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
698 * config/rs6000/sfp-machine.h: New. Based on glibc.
699 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
701 * config/rs6000/t-fprules: Remove fp-bit rules.
702 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
703 * config/rs6000/t-linux64: Likewise. Remove duplicates from
704 LIB2FUNCS_EXTRA. Remove fp-bit rules.
705 (softfp_wrap_start, softfp_wrap_end): New.
707 2006-04-18 DJ Delorie <dj@redhat.com>
709 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
711 2006-04-18 Devang Patel <dpatel@apple.com>
713 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
715 2006-04-18 Nick Clifton <nickc@redhat.com>
717 * config/sh/t-symbian: Add rule to build sh-c.o
718 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
719 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
720 (sh_symbian_encode_section_info): Likewise.
722 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
724 * builtins.c (expand_builtin_strcmp): Cover label definition of
725 do_libcall with HAVE_cmpstrnsi.
727 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
729 * function.c (temp_slots_at_level, max_slot_level): Use VEC
731 * function.h (temp_slot_p): New.
732 (function): Change the type of x_used_temp_slots to
733 VEC(temp_slot_p,gc) *.
735 2006-04-18 Nick Clifton <nickc@redhat.com>
737 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
738 flag_strength_reduce.
740 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
742 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
746 Partial revert of revision 112637
747 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
748 Dale Johannesen <dalej@apple.com>
751 * regclass.c (struct reg_pref): Update documentation.
752 (regclass): Set prefclass to NO_REGS if memory is the best option.
753 (record_reg_classes): Cope with a prefclass set to NO_REGS.
755 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
757 PR tree-optimization/26821
758 * tree-ssa-math-opts.c (get_constant_one): New.
759 (insert_reciprocals): Use it.
761 2006-04-17 Geoffrey Keating <geoffk@apple.com>
763 * dwarf2out.c (free_AT): Delete.
764 (remove_AT): Update string ref counts.
765 (remove_child_TAG): Don't call free_die.
767 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
769 (prune_unused_types_walk_attribs): Reset string refcounts.
770 (prune_unused_types_update_strings): New.
771 (prune_unused_types_prune): Don't make unnecessary stores. Don't
772 call free_die. Do call prune_unused_types_update_strings.
773 (prune_unused_types): Empty debug_str_hash.
775 2006-04-17 Roger Sayle <roger@eyesopen.com>
777 * expr.c (expand_assignment): Optimize away no-op moves where the
778 source and destination are equal and have no side-effects.
780 2006-04-17 Richard Guenther <rguenther@suse.de>
783 * reload.c (push_reload): Guard calls to get_secondary_mem
786 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
788 * alias.c (reg_base_value, old_reg_base_value): Change the
789 type to VEC(rtx,gc) *.
790 (REG_BASE_VALUE, find_base_value, record_set,
791 init_alias_analysis): Use VEC instead of VARRAY.
793 * alias.c (alias_sets): Change the type to
794 VEC(alias_set_entry,gc) *.
795 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
796 VEC instead of VARRAY.
797 (last_alias_set): Remove.
799 * cgraph.h (cgraph_edge_p): New.
800 Update the prototype of cgraph_function_versioning.
801 * cgraphunit.c (cgraph_copy_node_for_versioning,
802 cgraph_function_versioning): Use VEC instead of VARRAY.
803 * ipa-cp.c (ipcp_insert_stage): Likewise.
805 2006-04-16 Roger Sayle <roger@eyesopen.com>
808 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
809 "A op B" or "A op C", we may need to convert A to the type of B and C.
811 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
813 * target.h (struct gcc_target): Add mode_rep_extended.
814 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
815 (init_num_sign_bit_copies_in_rep): Initialize it using
817 (truncate_to_mode): Use it.
818 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
819 * targhooks.h (default_mode_rep_extended): Declare it.
820 * targhooks.c (default_mode_rep_extended): Define it.
821 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
822 default_mode_rep_extended.
823 (TARGET_INITIALIZER): Include it.
824 * doc/tm.texi (Misc): Document it.
825 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
826 (mips_truncated_to_mode): New function.
828 2006-04-16 Roger Sayle <roger@eyesopen.com>
831 * expr.c (compress_float_constant): Copy the narrow constant into
832 a new pseudo before extending it to its final width.
834 2006-04-16 Roger Sayle <roger@eyesopen.com>
835 Andrew Pinski <pinskia@gcc.gnu.org>
836 Dale Johannesen <dalej@apple.com>
839 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
840 special case code to implement V8HImode and V16QImode with SSE2.
842 2006-04-15 Roger Sayle <roger@eyesopen.com>
844 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
845 trees are constructed with a suitable tree type.
847 2006-04-15 Roger Sayle <roger@eyesopen.com>
849 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
850 (integer_onep): Likewise.
851 (integer_all_onesp): Likewise.
852 (integer_pow2p): Likewise.
853 (integer_nonzerop): Likewise.
854 (real_zerop): Likewise.
855 (real_onep): Likewise.
856 (real_twop): Likewise.
857 (real_minus_onep): Likewise.
858 (int_size_in_bytes): Likewise.
859 (host_integerp): Likewise.
861 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
863 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
864 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
865 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
867 * tree-ssa-structalias.h (alias_info): Remove num_references.
869 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
871 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
872 (output_bvb patterns): Likewise.
873 * pa.c (output_bb): Use 'bb' insn for long branch case.
874 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
875 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
876 1. Correct length operand for alternatives 1 and 2.
877 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
878 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
880 2006-04-14 Roger Sayle <roger@eyesopen.com>
882 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
883 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
884 were accidentally reverted by r112959.
886 2006-04-15 Jakub Jelinek <jakub@redhat.com>
889 * except.h (eh_region_outermost): New prototype.
890 * except.c (eh_region_outermost): New function.
891 * tree-cfg.c (find_outermost_region_in_block): Use it.
893 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
895 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
897 * reload1.c (reg_equiv_memory_loc_varray): Rename to
898 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
899 (init_reload, reload): Use VEC instead of VARRAY.
900 * reload.h: Update the prototype for
901 reg_equiv_memory_loc_varray.
903 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
904 Eric Botcazou <ebotcazou@libertysurf.fr>
906 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
909 2005-04-13 Uros Bizjak <uros@kss-loka.si>
912 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
913 to expand fallback builtin function call.
915 2006-04-14 Alan Modra <amodra@bigpond.net.au>
918 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
919 and emit libcall here in case the builtin fails.
920 (expand_builtin_strcmp): Always emit the libcall here on failure.
922 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
924 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
925 * flow.c (reg_n_info): Change the type to
926 VEC(reg_info_p,heap) *.
927 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
929 * regs.h (reg_info_p): New.
930 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
931 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
932 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
935 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
937 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
939 * params.h (MAX_SCHED_READY_INSNS): New macro.
940 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
941 past MAX_SCHED_READY_INSNS during the first scheduling pass.
942 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
943 the ready list for 1 cycle during the first scheduling pass.
944 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
946 2006-04-13 Richard Henderson <rth@redhat.com>
949 * gimple-low.c (lower_omp_directive): Remove dead code.
950 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
951 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
952 * omp-low.c (struct omp_region): Move to tree-flow.h.
953 (root_omp_region): Export.
954 (omp_regions, lookup_omp_region): Remove.
955 (determine_parallel_type): Update for struct omp_region changes.
956 (dump_omp_region): Dump regions with block numbers.
957 (new_omp_region): Take type and block instead of stmt; malloc
959 (free_omp_region_1, free_omp_regions): New.
960 (expand_parallel_call): Take entry_stmt as argument; update for
961 changes to omp_region.
962 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
963 (remove_exit_barriers): New.
964 (expand_omp_parallel): Update for struct omp_region changes.
965 (expand_omp_synch): Likewise.
966 (expand_omp): Likewise.
967 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
968 (expand_omp_for_static_chunk): Likewise.
969 (expand_omp_for): Likewise.
970 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
971 (expand_omp_sections): Similarly, with GOMP_sections_end.
972 (expand_omp_single): New.
973 (build_omp_regions_1): Update for OMP_CONTINUE.
974 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
975 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
976 OMP_SECTIONS_SECTIONS.
977 (lower_omp_single_simple): Don't emit barrier here.
978 (lower_omp_single_copy): Likewise.
979 (lower_omp_single): Fix bindings, and lower to straightline now.
980 (lower_omp_master, lower_omp_ordered): Likewise.
981 (lower_omp_critical): Likewise.
982 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
983 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
984 omp edges, free it afterward.
985 (make_omp_sections_edges): Remove.
986 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
987 (move_stmt_r): Handle OMP_CONTINUE.
988 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
989 statement pointers to basic blocks. Add type member.
990 (root_omp_region, new_omp_region, free_omp_regions): Declare.
991 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
992 * tree-inline.c (estimate_num_insns_1): Likewise.
993 * tree-pretty-print.c (dump_generic_node): Likewise.
994 * tree-ssa-operands.c (get_expr_operands): Likewise.
995 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
996 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
998 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
999 (OMP_SECTIONS_SECTIONS): Remove.
1000 (OMP_SECTION_LAST): New.
1001 (OMP_RETURN_NOWAIT): New.
1003 2006-04-13 Roger Sayle <roger@eyesopen.com>
1005 * fold-const.c (native_encode_vector, native_interpret_real):
1006 Correct obvious mistakes in the previous check-in.
1008 2006-04-13 Roger Sayle <roger@eyesopen.com>
1010 * fold-const.c (native_encode_expr): New function to encode
1011 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1012 or VECTOR_CST into a specified buffer.
1013 (native_encode_int): New function.
1014 (native_encode_real): New function.
1015 (native_encode_complex): New function.
1016 (native_encode_vector): New function.
1017 (native_interpret_expr): Inverse of native_encode_expr to convert
1018 a target representation into an INTEGER_CST, REAL_CST etc...
1019 (native_interpret_int): New function.
1020 (native_interpret_real): New function.
1021 (native_interpret_complex): New function.
1022 (native_interpret_vector): New function.
1023 (fold_view_convert_expr): New function to constant fold/evaluate
1024 a VIEW_CONVERT_EXPR of a suitable constant expression.
1025 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1026 Change call of build1 to fold_build1 when constructing a
1029 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1030 Ulrich Weigand <uweigand@de.ibm.com>
1033 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1036 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1039 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1040 optimize to lo_sum for DFmode if !TARGET_FPRS.
1042 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1044 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1045 delete_alias_info, compute_flow_sensitive_aliasing,
1046 group_aliases): Use VEC instead of VARRAY.
1047 * tree-ssa-structalias.c (update_alias_info): Likewise.
1048 * tree-ssa-structalias.h (alias_info): Change the type of
1049 processed_ptrs to VEC(tree,heap) *.
1051 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1054 * config/sh/lib1funcs.h: New file, broken out of:
1055 * config/sh/lib1funcs.asm.
1056 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1058 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1059 * config/sh/lib1funcs-Os-4-200.asm: New file.
1060 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1061 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1062 (EXTRA_MULTILIB_PARTS): Include it.
1063 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1064 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1065 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1066 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1069 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1071 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1072 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1073 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1075 * tree-ssa-live.h: Include vecprim.h.
1076 (tree_partition_associator_d): Change the type of
1077 first_partition to VEC(int,heap) *.
1078 (tpa_first_partition): Use VEC instead of VARRAY.
1080 * Makefile.in (GTFILES): Move functions.h after tree.h.
1081 * function.c (reset_block_changes, record_block_change,
1082 check_block_change, free_block_changes): Use VEC instead of
1084 * function.h (function): Change the type of
1085 ib_boundaries_block to VEC(tree,gc) *.
1086 * tree-inline.c (copy_cfg_body): Initialize
1087 ib_boundaries_block to NULL instead of (varray_type) 0.
1089 2006-04-12 Roger Sayle <roger@eyesopen.com>
1091 * expr.c (emit_group_store): Correct operand order in call to
1092 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1093 a SUBREG_BYTE of zero.
1095 2006-04-12 Richard Guenther <rguenther@suse.de>
1097 * profile.c (compute_branch_probabilities): Remove code
1098 encapsulated in !ir_type (), which are remanents of the
1099 removed RTL profiling code.
1100 * rtl-profile.c: Remove.
1102 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1104 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1105 magic NULL_RTX comment.
1106 (function_arg): Store entire fp arg to mem if any part should go
1108 (rs6000_arg_partial_bytes): Adjust for above change.
1110 2006-04-11 Roger Sayle <roger@eyesopen.com>
1112 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1113 if it hasn't been initialized by dwarf2out_init.
1115 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1117 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1118 symbolic constants in branch patterns.
1120 2006-04-11 Roger Sayle <roger@eyesopen.com>
1122 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1124 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1126 PR rtl-optimization/27073
1127 * gcse.c (try_replace_reg): Revert last change. Continue to search
1128 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1131 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1133 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1134 aggregate types other than record and union types.
1135 (function_arg): Likewise.
1136 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1138 (function_value): In 64-bit mode, return objects that require it
1141 2006-04-11 Roger Sayle <roger@eyesopen.com>
1143 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1145 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1147 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1149 2006-04-03 Jeff Law <law@redhat.com>
1152 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1153 alias information too.
1155 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1157 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1159 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1162 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1163 (premark_used_types_helper): New.
1164 (premark_used_types): New.
1165 (gen_subprogram_die): Call premark_used_types.
1166 (prune_unused_types_walk): Do not prune perennial dies.
1167 * function.c (used_types_insert): New.
1168 * function.h (struct function): Add used_types_hash field.
1169 (used_types_insert): Add prototype.
1170 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1171 * c-parser.c (c_parser_cast_expression): Save casted types in used
1174 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1177 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1178 rs6000_explicit_options.float_gprs.
1180 2006-04-10 Roger Sayle <roger@eyesopen.com>
1182 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1183 from ix86_expand_vector_init_low_nonzero. Take an additional
1184 one_var argument indicating which element is non-zero. Support
1185 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1186 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1187 with one_var instead of ix86_expand_vector_init_low_nonzero.
1189 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1191 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1192 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1193 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1194 build/genextract.o): Depend on vecprim.h.
1195 * cfglayout.c, df-problems.c, function.c, genextract.c,
1196 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1197 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1201 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1203 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1204 Declare VECs of this type.
1205 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1206 (remove_children): Delete.
1207 (add_dwarf_attr): Use VEC routines.
1208 (add_AT_flag): Update for changes to add_dwarf_attr.
1209 (add_AT_int): Likewise.
1210 (add_AT_unsigned): Likewise.
1211 (add_AT_long_long): Likewise.
1212 (add_AT_vec): Likewise.
1213 (add_AT_string): Likewise.
1214 (add_AT_die_ref): Likewise.
1215 (add_AT_fde_ref): Likewise.
1216 (add_AT_loc): Likewise.
1217 (add_AT_loc_list): Likewise.
1218 (add_AT_addr): Likewise.
1219 (add_AT_lbl_id): Likewise.
1220 (add_AT_lineptr): Likewise.
1221 (add_AT_macptr): Likewise.
1222 (add_AT_offset): Likewise.
1223 (add_AT_range_list): Likewise.
1224 (get_AT): Use VEC_iterate.
1225 (remove_AT): Use VEC_ordered_remove.
1226 (free_die): Fold remove_children into here; have it use VEC_iterate.
1227 (print_die): Use VEC_iterate on attrs.
1228 (reverse_die_lists): Don't reverse attr lists.
1229 (die_checksum): Use VEC_iterate on attrs.
1230 (same_die_p): Likewise.
1231 (output_location_lists): Likewise.
1232 (build_abbrev_table): Likewise.
1233 (size_of_die): Likewise.
1234 (unmark_all_dies): Likewise.
1235 (output_abbrev_section): Likewise.
1236 (output_die): Likewise.
1237 (prune_unused_types_walk_attribs): Likewise.
1239 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1241 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1243 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1246 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1248 2006-04-09 Roger Sayle <roger@eyesopen.com>
1250 * expr.c (store_constructor): Don't bother clearing target if
1251 we're about to assign a vector to it using vec_init_optab.
1253 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1255 * tree-ssa-alias.c (lhs_may_store_to): New function.
1256 (recalculate_used_alone): Handle LHS of calls.
1258 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1262 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1263 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1264 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1265 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1266 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1267 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1268 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1269 stubs. Add ".align 8" directives before all ".dword" directives.
1270 (GTHREAD_USE_WEAK): Revise comment.
1271 (TARGET_ATTRIBUTE_WEAK): Define.
1272 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1273 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1274 * stublib.c: New file.
1279 * pa.md (cbranch patterns): Revise arguments used in calls to
1280 output_cbranch, output_bb and output_bvd. Add long branch length
1282 (fbranch patterns): Handle long branches.
1283 (jump): Revise length check. Revise arguments for output_lbranch call.
1284 Add long branch length attributes.
1285 (decrement_and_branch_until_zero): Add long branch length attributes.
1286 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1287 Likewise. Revise arguments for output_parallel_addb and
1288 output_parallel_movb calls.
1289 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1290 output_parallel_movb and output_parallel_addb): Update prototypes.
1291 * pa.c (output_cbranch): Revise arguments. Correct handling of
1292 nullification in long branches.
1293 (output_lbranch): Add new argument to control extraction of delay
1295 (output_bb): Handle long branches.
1296 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1297 output_parallel_addb): Likewise.
1299 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1301 PR rtl-optimization/27073
1302 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1305 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1307 * tree.h (tree_memory_tag): Add old_used_alone.
1308 (SMT_OLD_USED_ALONE): New macro.
1309 * tree-ssa-alias.c (recalculate_used_alone): Stop
1310 marking things for renaming unnecessarily.
1312 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1314 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1315 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1316 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1317 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1318 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1319 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1320 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1321 spelling convensions.
1322 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1323 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1324 typos. Follow spelling conventions.
1326 2006-04-07 DJ Delorie <dj@redhat.com>
1328 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1329 passed on the stack.
1330 (m32c_init_cumulative_args): When a function returns a structure,
1331 always pass the pointer to that return area on the stack.
1332 (m32c_function_arg_advance): Don't increment the parameter number
1333 if we're processing the returned structure pointer.
1334 (pushm_info): Reverse order of registers.
1336 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1338 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1339 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1340 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1341 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1343 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1344 chrec_fold_multiply): Same.
1345 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1346 force_expr_to_var_cost): Same.
1347 * tree-mudflap.c (mf_xform_derefs_1): Same.
1348 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1350 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1352 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1353 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1356 2006-04-07 Jan Hubicka <jh@suse.cz>
1358 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1360 2006-04-07 Richard Guenther <rguenther@suse.de>
1362 PR tree-optimization/26135
1363 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1364 loads for store copy-prop.
1365 (copy_prop_visit_stmt): Likewise.
1367 2006-04-05 Robert Millan <robertmh@gnu.org>
1369 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1370 being overriden in config/k*bsd-gnu.h.
1371 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1373 * gcc/config/knetbsd-gnu.h: Ditto.
1375 2006-04-06 Jan Hubicka <jh@suse.cz>
1379 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1382 2006-04-06 Mike Stump <mrs@apple.com>
1384 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1385 for HAVE_nonlocal_goto to be consistent.
1386 (expand_builtin_nonlocal_goto): Likewise.
1387 (expand_builtin_strcmp): Use #ifdef instead of #if
1388 for HAVE_cmpstrnsi to be consistent.
1390 2006-04-05 DJ Delorie <dj@redhat.com>
1392 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1395 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1397 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1398 got-relative addressing for anything but SImode.
1400 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1401 even if the calling function doesn't modify them.
1403 2006-04-05 Richard Guenther <rguenther@suse.de>
1405 PR tree-optimization/26919
1406 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1407 to cgraph_estimate_size_after_inlining.
1409 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1411 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1413 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1415 PR tree-optimization/26996
1416 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1417 VECTOR_TYPE variables.
1419 2006-04-05 Richard Guenther <rguenther@suse.de>
1421 PR tree-optimization/26763
1422 * fold-const.c (fold_comparison): Move folding of
1423 PTR + CST CMP PTR + CST ...
1424 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1426 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1428 * doc/install.texi (Prerequisites): Refine some wording on
1429 bootstrapping and ksh.
1430 Move the version numbers of DejaGnu here from the testing section
1431 and fix casing of names.
1432 Fix markup and clarify wording for autogen requirements.
1433 Refer to GCJ instead of just java.
1434 Refer to SVN instead of CVS.
1435 Describe diffutils as useful instead of necessary.
1436 (Downloading the source): Refer to SVN instead of CVS.
1437 Adjust a link to our web site accordingly.
1438 (Configuration): Fix casing of Bison.
1439 (Building): Refer to SVN instead of CVS.
1440 Fix a sentence on the use of Bison and remove duplicate (and
1441 incorrect) version number of Bison requirement.
1442 Remove one redundant list of packages needed for building.
1443 (Specific): Avoid reference to CVS.
1445 2006-04-04 Eric Christopher <echristo@apple.com>
1447 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1448 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1449 (rs6000_handle_struct_attribute): New.
1450 (rs6000_ms_bitfield_layout_p): Ditto.
1452 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1454 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1455 NULL for dso parameter to atexit_common.
1457 2006-04-04 Eric Christopher <echristo@apple.com>
1459 * config/i386/i386.c (machopic_output_stub): Output \t
1460 between instructions and operands.
1462 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1464 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1465 satisfies_constraint_[IL] to explicit tests on value.
1467 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1469 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1470 set_nb_iterations_in_loop): Use build_int_cst instead of
1472 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1473 build_int_cst instead of convert.
1475 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1477 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1478 new value 2 for incoming.
1479 * function.c (expand_function_start): Call struct_value_rtx
1481 * config/sparc/sparc.md: Comment updated_return.
1482 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1483 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1484 struct return if sparc_std_struct_return and incoming is 2.
1485 (print_operand): Do not adjust return if
1486 sparc_std_struct_return.
1488 2006-04-04 Roger Sayle <roger@eyesopen.com>
1490 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1491 convert in the middle-end.
1492 * expr.c (store_expr, store_constructor, get_inner_reference,
1493 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1495 * tree.c (build_range_type): Likewise.
1497 2006-04-04 Tom Tromey <tromey@redhat.com>
1499 * doc/install.texi (Prerequisites): Mention jar.
1501 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1503 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1506 2006-04-04 Matthias Klose <doko@debian.org>
1508 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1509 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1512 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1514 * doc/extend.texi (Function Attributes): Rewrite visibility
1515 attribute documentation.
1516 * doc/invoke.texi (C++ Dialect Options): Rewrite
1517 -fvisibility-inlines-hidden documentation to describe something
1518 entirely different, although in practise compatible.
1519 (Code Gen Options): Warn about system headers in -fvisibiltity=
1522 * doc/extend.texi (Other Builtins): Document that
1523 __builtin_nan is a compile-time constant only when its argument
1526 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1528 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1529 trying to remove TRUNCATE check if all bits outside the new mode
1530 are identical to the sign bit.
1532 2006-04-03 Jeff Law <law@redhat.com>
1534 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1535 and operand scanning in some common cases.
1537 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1538 Dale Johannesen <dalej@apple.com>
1541 * regclass.c (struct reg_pref): Update documentation.
1542 (regclass): Set prefclass to NO_REGS if memory is the best option.
1543 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1544 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1545 into account. For non-registers, equate an empty preferred
1546 reload class to a `!' in the constraint; move the if clause to
1547 do so after those that reject the insn.
1548 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1550 (find_dummy_reload): Likewise.
1551 * doc/tm.texi (Register Classes): Document what it means
1552 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1553 * config/i386/i386.c (ix86_preferred_reload_class): Force
1554 using SSE registers (and return NO_REGS for floating-point
1555 constants) if math is done with SSE.
1556 (ix86_preferred_output_reload_class): New.
1557 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1558 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1559 * config/i386/i386.md: Remove # register preferences.
1561 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1564 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1565 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1566 the type of nb_iter.
1567 (instantiate_parameters_1): Convert the operands before calling
1568 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1569 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1571 2006-04-02 Roger Sayle <roger@eyesopen.com>
1573 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1574 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1576 * dojump.c (do_jump): Likewise.
1577 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1578 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1579 gimplify_boolean_expr): Likewise.
1580 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1581 * varasm.c (array_size_for_constructor): Likewise.
1582 * tree-object-size.c (compute_object_offset): Likewise.
1584 2006-04-02 Roger Sayle <roger@eyesopen.com>
1587 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1588 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1590 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1592 PR tree-optimization/26939
1593 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1595 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1597 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1598 at_stmt. Convert the type of operands before calling
1599 build_polynomial_chrec.
1600 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1602 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1603 (instantiate_parameters_1): Convert the type of operands before calling
1604 build_polynomial_chrec.
1605 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1606 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1607 reset_evolution_in_loop): Insert asserts to check the types of the
1609 (chrec_type): Moved...
1610 (eq_evolutions_p): Use operand_equal_p.
1611 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1612 the types of the operands.
1613 (chrec_type): ...here.
1614 * tree-data-ref.c (create_data_ref): Convert the operands before
1615 calling chrec_replace_initial_condition.
1616 (same_access_functions, analyze_subscript_affine_affine,
1617 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1618 (compute_subscript_distance, analyze_ziv_subscript,
1619 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1620 analyze_miv_subscript): Convert the operands before calling
1621 chrec_fold_minus or chrec_fold_plus.
1623 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1625 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1626 the dependence_relations vector.
1627 (compute_data_dependences_for_loop): Adjust call to
1628 compute_all_dependences.
1630 2006-04-01 Roger Sayle <roger@eyesopen.com>
1631 Richard Henderson <rth@redhat.com>
1633 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1634 gimple_boolify on the condition before calling gimplify_expr.
1636 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1638 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1639 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1640 the frame size. Update to use the new macros.
1641 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1642 * config/xtensa/ieee754-df.S: Likewise.
1644 2006-03-31 Richard Henderson <rth@redhat.com>
1646 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1647 (make_edges): ... here. Control fallthru creation with a local
1648 variable. Do not play with fake edges.
1649 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1650 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1653 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1655 * dwarf2.h (DW64_CIE_ID): Define.
1656 * dwarf2out.c (DWARF_CIE_ID): Define.
1657 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1658 length header. Use DWARF_CIE_ID.
1659 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1660 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1662 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1664 * config/sh/linux-atomic.asm: New file.
1665 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1667 2006-03-31 DJ Delorie <dj@redhat.com>
1669 * config/m32c/cond.md: Set condition flags properly throughout.
1670 * config/m32c/minmax.md: Likewise.
1671 * config/m32c/prologue.md: Likewise.
1672 * config/m32c/bitops.md: Likewise.
1673 * config/m32c/muldiv.md: Likewise.
1674 * config/m32c/mov.md: Likewise.
1675 * config/m32c/addsub.md: Likewise.
1676 * config/m32c/m32c.md: Likewise.
1677 * config/m32c/jump.md: Likewise.
1678 * config/m32c/shift.md: Likewise.
1680 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1681 conditionally output the pattern for this.
1682 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1683 (m32c_compare_redundant): New.
1684 (m32c_output_compare): New.
1685 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1687 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1688 dest, not src. Allow other 4-byte modes.
1690 2006-03-30 Denis Chertykov <denisc@overta.ru>
1692 * doc/md.texi: Refer to avr/constraints.md instead of
1695 2006-03-30 Roger Sayle <roger@eyesopen.com>
1697 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1698 signed vs. unsigned comparison failures on some hosts.
1700 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1703 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1704 change to FLOAT_REGS.
1706 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1707 (rs6000_override_options): Use it.
1708 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1709 only for -mabi=spe/no-spe and -mabi=altivec.
1711 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1713 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1716 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1718 * Makefile.in: Rename docdir to gcc_docdir.
1720 2006-03-30 Roger Sayle <roger@eyesopen.com>
1723 * expr.c (emit_group_store): Optimize group stores into a pseudo
1724 register by using a paradoxical subreg to initialize the destination
1725 if the first or last member of the group specifies a "low part".
1727 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1730 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1731 * target.h (struct gcc_target.speculate_insn): Change type of the
1732 second parameter to 'int'.
1733 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1734 the second operand of the DEPS_LIST.
1735 (copy_DEPS_LIST_list): Update reference to the second operand of the
1737 * rtl.h (alloc_DEPS_LIST): Update signature.
1738 * sched-int.h (ds_t): Change typedef to 'int'.
1739 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1741 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1743 * haifa-sched.c (try_ready): Change condition to restore
1744 non-speculative pattern of the instruction.
1745 (process_insn_depend_be_in_spec): Code to keep probability of the
1746 speculative dependence non-decreasing.
1748 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1750 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1751 (single_move_for_movmem): ... this. Also change all uses.
1752 (bfin_expand_strmov): Renamed to...
1753 (bfin_expand_movmem): ... this. Also change all uses.
1754 * config/bfin/bfin.md (movstrsi): Renamed to...
1755 (movstrsi): ...this.
1757 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1759 PR tree-optimization/26830
1761 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1762 (copy_prop_visit_stmt): Remove write-only variable ann.
1763 (init_copy_prop): Check variable loop depth here. Do not simulate
1764 memory-tag and virtual operand PHIs except for store copy prop.
1766 2006-03-30 Richard Guenther <rguenther@suse.de>
1768 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1769 variants with double arguments.
1771 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1773 * genpreds.c (write_tm_constrs_h): Delete variable p.
1774 * genconditions.c (write_header): Add tm-constrs.h to included
1776 * genpeep.c (main): Add toplev.h to included headers.
1777 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1778 (build/genpeep.o): Add toplev.h dependency.
1779 * config/rs6000/constraints.md: Add "W" constraint.
1781 2006-03-29 Roger Sayle <roger@eyesopen.com>
1783 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1784 sizes by correctly testing whether the size fits a host integer.
1785 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1786 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1787 SImode range for the default sizetype and bitsizetype.
1789 2006-03-29 Roger Sayle <roger@eyesopen.com>
1791 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1792 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1793 quickly if the argument is already of the correct type.
1794 Call fold_build1 instead of build1. Tidy up blank lines.
1796 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1798 * genemit.c (main): Add tm-constrs.h to included headers.
1799 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1800 * genpeep.c (main): Add tm-constrs.h to included headers.
1801 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1802 (write_tm_constrs_h): this and write complete file.
1803 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1804 (write_insn_preds_c): Add tm-constrs.h to included headers.
1805 (gen_constrs): New variable.
1806 (parse_option): Parse "-c".
1807 (main): Invoke write_tm_constrs_h.
1808 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1809 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1810 (object_out_file): Add tm-constrs.h dependency.
1811 (insn-emit.o): Same.
1812 (insn-output.o): Same.
1813 (insn-peep.o): Same.
1814 (insn-preds.o): Same.
1815 (insn-recog.o): Same.
1816 (tm-constsr.h): New target.
1817 (s-constrs-h): New target.
1819 * config/rs6000/constraints.md: New file.
1820 * config/rs6000/rs6000.c: Include tm-constrs.h.
1821 (num_insn_constant_wide): Convert to satisfies_constraint.
1822 (rs6000_rtx_costs): Convert to satisfies_constraint.
1823 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1824 (CONST_OK_FOR_LETTER_P): Delete.
1825 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1826 (EXTRA_CONSTRAINT): Delete.
1827 (EXTRA_MEMORY_CONSTRAINT): Delete.
1828 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1829 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1830 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1831 satisfies_constraint.
1833 * config/i386/i386.c: Include tm-constrs.h.
1835 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1837 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1838 * tree-data-ref.c (find_data_references_in_loop,
1839 compute_data_dependences_for_loop): Use pointers to VEC.
1840 (analyze_all_data_dependences): Adjust calls.
1841 * tree-data-ref.h (find_data_references_in_loop,
1842 compute_data_dependences_for_loop): Adjust declarations.
1843 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1844 compute_data_dependences_for_loop.
1846 2006-03-29 Paul Brook <paul@codesourcery.com>
1848 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1851 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1853 PR tree-optimization/26859
1854 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1856 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1857 for the step after fold_convert.
1859 2006-03-29 Paul Brook <paul@codesourcery.com>
1861 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1862 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1864 2006-03-29 Paul Brook <paul@codesourcery.com>
1867 * targhooks.c (default_narrow_bitfield): New fuction.
1868 * targhooks.h (default_narrow_bitfield): add prototype.
1869 * target.h (gcc_target): Add narrow_volatile_bitfield.
1870 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1871 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1872 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1873 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1875 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1877 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1879 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1880 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1881 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1882 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1883 (s390_function_arg_float): Allow SDmode and DDmode values to be
1884 passed in floating point registers.
1885 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1886 check with SCALAR_FLOAT_MODE_P.
1887 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1889 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1891 PR tree-optimization/25985
1892 * tree-ssa-loop-niter.c (number_of_iterations_le,
1893 number_of_iterations_ne): Make comments more precise.
1894 (number_of_iterations_cond): Add only_exit argument. Use the
1895 fact that signed variables do not overflow only when only_exit
1897 (loop_only_exit_p): New.
1898 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1899 number_of_iterations_cond.
1901 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1903 PR tree-optimization/26643
1904 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1907 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1909 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1910 (divsi3_i4_int): Likewise.
1912 2006-03-28 Roger Sayle <roger@eyesopen.com>
1914 * expr.c (emit_group_store): Only create a new pseudo reg if the
1915 quantity it needs to hold isn't already a suitable pseudo.
1917 2006-03-28 Jeff Law <law@redhat.com>
1919 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1920 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1922 2006-03-28 Roger Sayle <roger@eyesopen.com>
1924 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1925 the equivalent ~X & Y, and the symmetry related transformations.
1926 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1927 ~X & Y, and symmetry related transforms.
1929 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1931 Revert my 2006-03-27 patches.
1933 2006-03-28 Roger Sayle <roger@eyesopen.com>
1935 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1936 ~(T1)X, when T1 and T2 are integer types of the same precision
1937 and (T2)X isn't an extension.
1939 2006-03-28 Jeff Law <law@redhat.com>
1941 PR tree-optimization/26796
1942 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1943 need EH edge cleanups rather than purging them immediately.
1944 (eliminate_degenerate_phis): Handle queued EH cleanups.
1946 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1948 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1951 2006-03-27 Roger Sayle <roger@eyesopen.com>
1954 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1955 cast BIT_NOT_EXPR operand to the correct type.
1957 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1959 * tree-loop-linear.c: Don't include varray.h.
1960 (gather_interchange_stats, try_interchange_loops,
1961 linear_transform_loops): Use VEC instead of VARRAY.
1962 * lambda-mat.c: Don't include varray.h.
1963 * tree-chrec.c: Same.
1964 * lambda-trans.c: Same.
1965 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1966 VEC instead of VARRAY.
1967 * tree-vectorizer.h: Idem.
1968 * tree-data-ref.c (dump_data_references,
1969 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1970 initialize_data_dependence_relation, finalize_ddr_dependent,
1971 compute_all_dependences, find_data_references_in_loop,
1972 compute_data_dependences_for_loop, analyze_all_data_dependences,
1973 free_dependence_relation, free_dependence_relations,
1974 free_data_refs): Idem.
1975 * tree-data-ref.h (data_reference_p, subscript_p): New.
1976 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1977 VEC instead of VARRAY.
1978 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1979 (find_data_references_in_loop, compute_data_dependences_for_loop,
1980 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1981 dump_data_dependence_relations, free_dependence_relations,
1982 free_data_refs): Adjust declaration.
1983 (lambda_transform_legal_p): Move declaration here...
1984 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1985 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1986 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1987 vect_analyze_data_refs): Use VEC instead of VARRAY.
1988 * lambda.h (lambda_transform_legal_p): ...from here.
1989 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1990 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1991 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1992 tree-chrec.o): Don't depend on VARRAY_H.
1994 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1996 * rtl.def (Copyright): Update date.
1997 (DEPS_LIST): Change type of the second operand to 'int'.
1998 * target.h (Copyright): Update date.
1999 (struct gcc_target.speculate_insn): Change type of the second parameter
2001 * lists.c (Copyright): Update date.
2002 (alloc_DEPS_LIST): Change signature. Update reference to the second
2003 operand of the DEPS_LIST.
2004 (copy_DEPS_LIST_list): Update reference to the second operand of the
2006 * rtl.h (Copyright): Update date.
2007 (alloc_DEPS_LIST): Update signature.
2008 * sched-int.h (Copyright): Update date.
2009 (ds_t): Change typedef to 'int'.
2010 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2012 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2014 * haifa-sched.c (Copyright): Update date.
2015 (try_ready): Change condition to restore non-speculative pattern
2017 (process_insn_depend_be_in_spec): Code to keep probability of the
2018 speculative dependence non-decreasing.
2020 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2022 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2023 shut up the compiler.
2025 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2027 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2028 to use lib prefix for target.
2029 ($(T)libic_invalidate_array_4-200.a): Likewise.
2030 ($(T)libic_invalidate_array_4a.a): Likewise.
2032 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2033 J"orn Rennecke <joern.rennecke@st.com>
2035 * superh.opt: New file.
2036 * sh.c (boardtype, osruntime): Remove.
2037 * superh.h (SUBTARGET_OPTIONS): Remove.
2038 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2040 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2041 arguments with ^ and/or [].
2043 * config.gcc (sh-*-*): Add quoting to account for quirk of
2045 Replace == with = in enable_incomplete_targets test.
2047 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2048 with MASK_LITTLE_ENDIAN.
2050 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2051 * config/sh/sh.opt: Added to some comments.
2052 * config/sh/superh.h: Removed some chaff.
2054 * config/sh/sh.opt: Add m4-[1234]00* options.
2055 * config/sh/sh.c (sh_handle_option): Likewise.
2056 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2057 (ic_invalidate_array_4-100.o): New rule.
2058 ($(T)libic_invalidate_array_4-100.a): Likewise.
2059 (ic_invalidate_array_4-200.o): Likewise.
2060 ($(T)libic_invalidate_array_4-200.a): Likewise.
2061 (ic_invalidate_array_4a.o): Likewise.
2062 ($(T)libic_invalidate_array_4a.a): Likewise.
2063 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2064 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2066 * config/sh/crt1.asm: Merged in profiling code.
2067 * config/sh/superh.h (STARTFILE_SPEC): Override.
2068 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2069 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2070 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2072 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2073 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2074 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2076 * sh.opt (mpretend-cmove): New option.
2077 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2078 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2079 (movsicc): Add TARGET_PRETEND_CMOVE code.
2081 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2083 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2084 s390_class_max_nregs): New function prototypes.
2085 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2086 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2087 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2088 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2090 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2092 * dwarf2out.c (add_location_or_const_value_attribute): Call
2093 tree_add_const_value_attribute if nothing else works.
2094 (reference_to_unused): New.
2095 (rtl_for_decl_init): Use reference_to_unused to decide whether
2096 to output an initializer.
2098 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2101 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2102 peephole removing spe frob_di_df_2.
2104 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2106 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2107 (subscript_dependence_tester_1): Declared.
2108 (print_dir_vectors, print_dist_vectors): New.
2109 (debug_data_dependence_relation): New.
2110 (dump_data_dependence_relation): Print more details.
2111 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2112 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2113 (save_dist_v, save_dir_v, add_outer_distances,
2114 build_classic_dist_vector_1): New.
2115 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2116 Don't test for lambda_vector_lexico_pos.
2117 (same_access_functions, add_multivariate_self_dist,
2118 add_other_self_distances, dir_from_dist): New.
2119 (build_classic_dir_vector): Replace implementation almost identical to
2120 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2122 (subscript_dependence_tester_1): New.
2123 (subscript_dependence_tester): Handle the lexicographically negative
2124 distance vectors by recomputing the dependence relation.
2125 (compute_affine_dependence): Remove parameter loop_nest_depth.
2126 (compute_self_dependence): Don't call compute_subscript_distance.
2127 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2128 Add a parameter for the loop_nest.
2129 (find_loop_nest_1, find_loop_nest): New.
2130 (compute_data_dependences_for_loop): Compute the loop nest, and give
2131 up if the nest is not well formed.
2132 * tree-data-ref.h (loop_p): New.
2133 (struct data_dependence_relation): Replace size_vect field with
2134 loop_nest, a vec of loops.
2135 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2136 (DDR_LOOP_NEST): New.
2137 (print_dir_vectors, print_dist_vectors,
2138 debug_data_dependence_relation): Declared.
2139 (index_in_loop_nest): New.
2140 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2141 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2144 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2146 * simplify-rtx.c (simplify_relational_operation): Call
2147 simplify_relational_operation_1 even if mode is VOIDmode.
2149 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2151 PR tree-optimization/26804
2152 * tree.h (DECL_CALL_CLOBBERED): New macro.
2153 (tree_decl_common): Add call_clobbered_flag.
2154 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2155 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2156 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2157 (mark_non_addressable): Ditto.
2158 * tree-ssa.c (verify_call_clobbered): New function.
2159 (verify_alias_info): Use it.
2160 * tree-pass.h (pass_reset_cc_flags): New prototype.
2161 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2162 (reset_cc_flags): New function.
2163 * passes.c (init_optimization_passes): Call reset_cc_flags after
2164 initializing referenced_vars.
2166 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2167 Roger Sayle <roger@eyesopen.com>
2170 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2171 to 1.0 for non-real operands. Implement A / A optimization for
2174 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2176 * config/i386/i386.c (size_cost): Correct the comment for
2177 cost of storing fp registers.
2178 (i386_cost): Likewise.
2179 (i486_cost): Likewise.
2180 (pentium_cost): Likewise.
2181 (pentiumpro_cost): Likewise.
2182 (k6_cost): Likewise.
2183 (athlon_cost): Likewise.
2184 (k8_cost): Likewise.
2185 (pentium4_cost): Likewise.
2186 (nocona_cost): Likewise.
2187 (generic64_cost): Likewise.
2188 (generic32_cost): Likewise.
2190 2006-03-24 Denis Chertykov <denisc@overta.ru>
2192 * config/avr/avr-protos.h (extra_constraint): Delete.
2193 (extra_constraint_Q): New declaration.
2194 * config/avr/constraints.md: New file.
2195 * config/avr/avr.md: Include it.
2196 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2197 (TMP_REGNO, ZERO_REGNO): Likewise.
2198 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2199 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2200 (extra_constraint): Delete.
2201 (extra_constraint_Q): Test for memory constraint 'Q'.
2202 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2203 (REG_CLASS_FROM_LETTER): Delete.
2204 (CONST_OK_FOR_LETTER_P): Delete.
2205 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2206 (EXTRA_CONSTRAINT): Delete.
2207 (TMP_REGNO): Delete.
2208 (ZERO_REGNO): Delete.
2210 2006-03-24 Jeff Law <law@redhat.com>
2212 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2213 directly. Call mark_new_vars_to_rename slightly earlier.
2215 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2217 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2219 (gen_compile_unit_die): Use new language types for Objective-C and
2221 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2222 DW_LANG_C_plus_plus.
2225 * config/t-darwin (crt3.o): Work around bug 26840.
2226 * config/darwin-crt3.c: Rewrite.
2227 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2229 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2231 * doc/invoke.texi: Document -femit-class-debug-always
2232 * common.opt: Add -femit-class-debug-always.
2234 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2236 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2237 index and base register.
2238 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2239 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2240 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2241 REGNO_OK_FOR_INDEX_P.
2242 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2244 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2245 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2246 REG_OK_FOR_BASE_P): Definitions removed.
2248 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2251 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2252 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2253 set yet or weren't marked as local yet.
2255 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2257 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2260 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2262 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2263 (rs6000_legitimate_small_data_p): Delete.
2264 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2265 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2266 and make static. Add forward declaration. Update uses.
2267 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2268 of offsettable_memref_p.
2269 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2270 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2272 2006-03-24 Jeff Law <law@redhat.com>
2274 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2275 around bug in immediate-use iterator.
2277 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2280 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2281 or __LITTLE_ENDIAN__.
2283 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2285 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2286 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2287 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2288 * config/sh/sh.opt (mdiv=): Amend description.
2289 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2290 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2291 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2292 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2293 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2294 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2295 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2296 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2297 TARGET_DIVIDE_CALL_FP.
2299 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2301 * haifa-sched.c (choose_ready): Fix type of the local variable.
2302 Move local variables. Add comment.
2303 (check_reg_live): Change signature. Make callable from debugger.
2304 * sched-int.h (check_reg_live): Update signature.
2305 * sched-ebb.c (check_reg_live): Update parameters.
2306 * sched-rgn.c (check_reg_live): Ditto.
2307 (region_head_or_leaf_p): Check pointer before dereferencing.
2308 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2309 before reload on optimization levels below 1.
2311 2006-03-23 Richard Henderson <rth@redhat.com>
2313 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2317 * config/alpha/predicates.md (local_symbolic_operand): Reject
2320 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2323 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2324 expressions which have overflowed constants.
2326 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2328 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2330 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2332 * cfgloopmanip.c (create_loop_notes): Removed.
2333 * final.c (final_scan_insn): Do not handle loop notes.
2334 * jump.c (squeeze_notes): Ditto.
2335 * cfglayout.c (skip_insns_after_block,
2336 duplicate_insn_chain): Ditto.
2337 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2339 * cfgloop.h (create_loop_notes): Declaration removed.
2341 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2343 * varasm.c (output_constant_pool): Restore fnname and fndecl
2345 (assemble_start_function): Adjust call accordingly.
2346 (assemble_end_function): Likewise.
2348 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2351 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2354 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2356 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2359 * system.h (ICE_EXIT_CODE): New macro.
2360 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2361 (diagnostic_action_after_output): Likewise.
2362 * gcc.c (fatal_ice): New function.
2363 (execute): Use it instead of fatal.
2364 (fancy_abort): Likewise.
2365 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2367 2006-03-22 Jeff Law <law@redhat.com>
2369 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2370 iv_analyze_result returning false.
2372 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2374 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2376 2006-03-22 Richard Henderson <rth@redhat.com>
2379 * except.c (duplicate_eh_regions_0): New.
2380 (duplicate_eh_region_1): Duplicate the children of the node as
2381 well as the node itself. Link them up properly.
2382 (duplicate_eh_region_2): Merge into ...
2383 (duplicate_eh_regions): ... here. Take copy_region argument, and
2384 copy only a sub-tree if asked. Simplify copying and fixup.
2385 (eh_region_outer_p): New.
2386 * except.h (duplicate_eh_regions): Update decl.
2387 (eh_region_outer_p): Declare.
2388 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2389 (lower_omp_master): Likewise.
2390 (lower_omp_ordered): Likewise.
2391 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2392 (move_stmt_r): Use it to remap labels. Handle recursion vs
2393 remap_decls_p properly.
2394 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2395 (find_outermost_region_in_block): New.
2396 (new_label_mapper): New.
2397 (move_sese_region_to_fn): Copy eh information to the new function
2399 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2401 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2404 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2406 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2407 into shared libraries.
2409 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2411 * doc/md.texi: Refer to i386/constraints.md instead of
2413 * config/i386/constraints.md: New file, extracted from...
2414 * config/i386/predicates.md: ...here.
2415 * config/i386/i386.md: Include constraints.md.
2417 2006-03-21 Jason Merrill <jason@redhat.com>
2419 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2422 * expr.c (init_block_move_fn): Force default visibility.
2423 (init_block_clear_fn): Likewise.
2424 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2425 * targhooks.c (default_external_stack_protect_fail): Likewise.
2427 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2429 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2430 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2431 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2432 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2433 (loadgp): Use mips_current_loadgp_style.
2434 (loadgp_noshared): New pattern.
2435 (sibcall_internal): Use MIPS_CALL.
2436 (sibcall_value_internal): Likewise.
2437 (sibcall_value_multiple_internal): Likewise.
2438 (call_internal): Likewise.
2439 (call_value_internal): Likewise.
2440 (call_value_multiple_internal): Likewise.
2441 (call_split): Use MIPS_CALL and add an 'S' constraint.
2442 (call_value_split): Likewise.
2443 (call_value_multiple_split): Likewise.
2444 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2445 (-mshared): New option.
2446 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2447 (mips_current_loadgp_style): Declare.
2448 * config/mips/mips.c (mips_classify_symbol): Avoid using
2449 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2450 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2451 TARGET_ABSOLUTE_ABICALLS.
2452 (override_options): Adjust comments. Improve the warning that is
2453 issued when -mabicalls and -G are used together.
2454 (mips_file_start): Remove comment.
2455 (mips_current_loadgp_style): New function.
2456 (mips_gnu_local_gp): New variable.
2457 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2459 (mips_output_function_prologue): Use mips_current_laodgp_style.
2460 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2461 the cprestore instruction.
2462 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2463 live for TARGET_ABSOLUTE_ABICALLS.
2464 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2465 (ASM_SPEC): Pass down -mshared and -mno-shared.
2466 (MIPS_CALL): New macro.
2467 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2469 * doc/invoke.texi (-mabicalls): Update documentation.
2470 (-mshared): Document.
2472 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2474 * config/ia64/unwind-hpux.c: New file.
2475 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2477 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2480 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2482 2006-03-21 Jeff Law <law@redhat.com>
2484 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2485 type conversions of a VR_VARYING source to a wider type.
2487 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2489 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2490 tm_file on Solaris 10 and later.
2491 (sparc64-*-solaris2*): Likewise.
2492 (sparc-*-solaris2*): Likewise.
2493 * config/sol26.h: Rename to config/sol2-6.h.
2494 * config/sol2-10.h: New file.
2496 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2499 * tree-ssa-pre.c (create_component_ref_by_pieces):
2502 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2505 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2506 return it immediately.
2508 2006-03-21 Michael Matz <matz@suse.de>
2510 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2512 (remove_arc, add_arc): Update num_out_arcs member.
2513 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2515 (cache_presence): New function.
2516 (compare_states_for_equiv): New function.
2517 (state_is_differed): Don't take number of outargs, adjust callers.
2518 Use new invariant for speeding up.
2519 (init_equiv_class): Create initial classes based on sorted
2521 (partition_equiv_class): Don't track out_arcs_num.
2522 (evaluate_equiv_classes): Call cache_presence on all states and
2525 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2527 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2528 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2529 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2530 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2532 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2533 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2534 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2535 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2536 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2538 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2539 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2540 (REGNO_REG_CLASS): ARGP is in PREGS.
2541 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2543 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2544 to deal with those addresses.
2545 * addresses.h: New file.
2546 * caller-save.c: Include "addresses.h".
2547 (init_caller_save): Use new base_reg_class function.
2548 * rtl-factoring.c: Include "addresses.h".
2549 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2550 * recog.c: Include "addresses.h".
2551 (preprocess_constraints): Use new base_reg_class function.
2552 * regrename.c: Include "addresses.h".
2553 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2554 functions. Keep track of a new var INDEX_CODE to compute valid
2556 (replace_oldest_value_addr): Likewise.
2557 (replace_oldest_value_mem): Use base_reg_class.
2558 * reload.c: Include "addresses.h".
2559 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2560 (find_reloads): Use new base_reg_class function.
2561 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2562 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2563 all callers and prototype changed.
2564 * reload1.c: Include "addresses.h".
2565 (maybe_fix_stack_asms): Use base_reg_class.
2566 * regclass.c: Include "addresses.h".
2567 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2568 (init_reg_autoinc): Use new base_reg_class function.
2569 (record_reg_classes): Likewise.
2570 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2571 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2572 Use new args to compute necessary class.
2574 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2575 regrename.o, rtl-factoring.o): Update dependencies.
2576 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2577 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2578 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2579 REG_OK_FOR_INDEX_P): Delete documentation.
2581 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2583 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2584 from V7 to V9 for Solaris 7 and above.
2586 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2588 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2589 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2590 argument pointers may not alias any other storage.
2591 * common.opt: Define option -fargument-noalias-anything.
2592 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2593 alias semantics is specified by flag_argument_noalias > 2.
2595 2006-03-20 Jeff Law <law@redhat.com>
2597 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2598 (pass_phi_only_cprop): Declare.
2599 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2601 * tree-ssa-dom.c (degenerate_phi_result): New function.
2602 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2603 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2604 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2605 (eliminate_degenerate_phis): Likewise.
2606 (pass_phi_only_cprop): New pass descriptor.
2607 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2608 support code. Callers updated.
2609 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2610 (store_copy_prop): Likewise.
2611 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2613 2006-03-20 Jason Merrill <jason@redhat.com>
2616 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2617 (push_visibility, pop_visibility): Likewise.
2618 * c-pragma.h: Declare them.
2620 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2622 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2624 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2625 parameter and use get_ebb_head_tail.
2626 (sh_md_init_global): Adjust uses of find_regmode_weight.
2628 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2630 * function.h (struct function) <x_tail_recursion_reentry>:
2631 Rename to x_stack_check_probe_note.
2632 (tail_recursion_reentry): Rename to stack_check_probe_note.
2633 * function.c: Replace tail_recursion_reentry with
2634 stack_check_probe_note everywhere.
2635 (expand_function_start): Only emit a note for
2636 stack_check_probe_note with -fstack-protect.
2637 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2639 * emit-rtl.c (remove_unnecessary_notes): Remove.
2640 (pass_remove_unnecessary_notes): Remove.
2641 * rtl.h (remove_unnecessary_notes): Remove prototype.
2642 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2643 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2644 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2646 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2649 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2650 (valid_in_set): Handle ARRAY_REF.
2651 Change "if min_variant or VH" to asserts.
2652 (create_component_ref_by_pieces): Handle ARRAY_REF.
2653 (create_expression_by_pieces): Likewise.
2654 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2656 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2658 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2659 is operand of switch, not str[0].
2661 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2663 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2664 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2666 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2668 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2669 end of insn_extra_address_constraint declaration.
2671 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2673 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2674 (no-sum-in-toc): Same.
2675 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2677 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2678 NO_FP_IN_TOC for -fPIC instead of mask.
2680 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2681 (BOOT_LDFLAGS): Delete.
2683 * config/rs6000/t-aix52: Same.
2685 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2686 (stmsi[345678]_power): New.
2688 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2690 * config/ia64/ia64.opt: Add empty line to end of file.
2692 2006-03-17 Richard Guenther <rguenther@suse.de>
2695 * builtins.c (get_pointer_alignment): For component style references
2696 adjust alignment to the component type alignment. Make sure
2697 to adjust alignment for component access of constants.
2699 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2701 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2704 2006-03-17 Paul Brook <paul@codesourcery.com>
2706 * doc/install.texi: Docuemnt --with-mode.
2707 * config.gcc: Add --with-mode for arm*-*-*.
2708 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2710 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2712 * sh.c (max_labelno_before_reorg): New variable.
2713 (sh_reorg): Initialize it.
2714 (find_barrier): Check max_labelno_before_reorg before using
2715 label_to_alignment. Take length of explicit alignment insns
2716 into account. When seeing a UNSPECV_CONST_END, return it.
2718 * sh.c (fixup_mova): Set mode of affected label to QImode.
2719 (untangle_mova): New function.
2720 (find_barrier): Use it. Check mode of label before decrementing
2722 (sh_reorg): Likewise.
2723 Set mode of all insns back to VOIDmode.
2725 * sh.c (MOVA_LABELREF): New macro.
2726 (mova_p, fixup_mova, sh_reorg): Use it.
2727 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2728 ADDR_DIFF_VEC matches mova.
2730 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2732 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2733 with ATTRIBUTE_UNUSED.
2735 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2737 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2738 pointer, instead of assuming it is possible to derive the
2739 correct args size from a call insn.
2741 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2743 * rtl.h (CONST_INT_P): Define.
2744 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2745 instead of GET_CODE(x) == CONST_INT.
2746 (vax_rtx_costs): Likewise.
2747 (vax_output_int_move): Likewise.
2748 (vax_output_int_add): Likewise.
2749 (legitimate_constant_address_p): Likewise.
2750 (index_term_p): Likewise.
2751 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2752 * config/vax/vax.md (and<mode>3): Likewise.
2753 (ashrsi3): Likewise.
2755 (movstricthi): Likewise.
2756 (movstrictqi): Likewise.
2757 (rotrsi3): Likewise.
2758 (five unnamed insns): Likewise.
2760 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2762 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2763 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2764 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2765 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2766 Pass to ASM_OUTPUT_DWARF_OFFSET.
2767 * dwarf2out.c (debug_frame_section): New.
2768 (output_call_frame_info): Use debug_frame_section. Pass it to
2769 dw2_asm_output_offset.
2770 (output_die): Pass appropriate section to dw2_asm_output_offset.
2771 (output_compilation_unit_header): Likewise.
2772 (output_pubnames): Likewise.
2773 (output_aranges): Likewise.
2774 (enum dw_val_class): Break dw_val_class_lbl_offset into
2775 dw_val_class_lineptr and dw_val_class_macptr.
2776 (add_AT_lbl_offset): Delete.
2777 (add_AT_lineptr): New.
2778 (add_AT_macptr): New.
2779 (AT_lbl): Expect a lineptr or macptr.
2780 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2781 (attr_checksum): Likewise.
2782 (same_dw_val_p): Likewise.
2783 (size_of_die): Likewise.
2784 (value_format): Likewise.
2785 (output_die): Likewise.
2786 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2788 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2789 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2790 * config/darwin-protos.h (darwin_file_start): New.
2791 (darwin_asm_output_dwarf_offset): New.
2792 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2793 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2795 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2796 if not EH section; simplify.
2797 (darwin_file_start): New.
2798 (darwin_asm_output_dwarf_offset): New.
2799 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2801 (DEBUG_INFO_SECTION): Likewise.
2802 (DEBUG_ABBREV_SECTION): Likewise.
2803 (DEBUG_ARANGES_SECTION): Likewise.
2804 (DEBUG_MACINFO_SECTION): Likewise.
2805 (DEBUG_LINE_SECTION): Likewise.
2806 (DEBUG_LOC_SECTION): Likewise.
2807 (DEBUG_PUBNAMES_SECTION): Likewise.
2808 (DEBUG_STR_SECTION): Likewise.
2809 (DEBUG_RANGES_SECTION): Likewise.
2810 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2811 (ASM_OUTPUT_DWARF_OFFSET): New.
2813 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2815 * config.gcc (tm_defines): Always add to previous value rather
2818 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2820 * config/mips/predicates.md (splittable_const_int_operand): New,
2821 split from move_operand.
2822 (splittable_symbolic_operand): New.
2823 (move_operand): Add commentary. Use splittable_const_int_operand.
2824 Inline mips_atomic_symbolic_constant_p.
2825 * config/mips/mips.md: Add combine splitters for handling moves
2826 of splittable_const_int_operands and splittable_symbolic_operands.
2827 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2828 (mips_split_symbol): Declare.
2829 (mips_move_integer): Declare.
2830 * config/mips/mips.c (mips_split_p): Make global.
2831 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2832 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2833 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2834 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2835 (mips_offset_within_object_p): Handle block symbols.
2836 (mips_atomic_symbolic_constant_p): Delete.
2837 (mips_cannot_force_const_mem): Return false for constants that
2838 mips_legitimize_move can handle.
2839 (mips_use_blocks_for_constant_p): New function.
2840 (mips_split_symbol): Make global.
2841 (mips_move_integer): Likewise. Add a temporary register argument.
2842 (mips_legitimize_const_move): Use splittable_const_int_operand and
2843 splittable_symbolic_operand.
2844 (mips_use_anchors_for_symbol_p): New function.
2845 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2846 (mips_split_p): Declare.
2848 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2850 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2851 (mips*-*-linux*): Likewise.
2853 2006-03-16 Roger Sayle <roger@eyesopen.com>
2854 Daniel Speyer <dspeyer@wam.umd.edu>
2857 * tree-dump.c (dump_real): New function.
2858 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2859 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2860 (tree-dump.o): Add $(REAL_H) to the dependencies.
2862 2006-03-16 Roger Sayle <roger@eyesopen.com>
2865 * real.c (real_from_string): If the mantissa is zero, don't bother
2866 parsing the exponent as the result should always be zero.
2868 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2870 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2872 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2874 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2875 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2876 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2877 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2878 ia64_sched_finish_global): New static functions to implement
2879 hooks from gcc_target.sched.
2880 (spec_check_no, max_uid, pending_data_specs): New static variables.
2881 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2882 ia64_spec_check_src_p): New static functions.
2883 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2884 (TARGET_SCHED_ADJUST_COST): Removed.
2885 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2886 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2887 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2888 TARGET_SCHED_GEN_CHECK,
2889 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2890 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2891 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2892 Fixed to handle speculation checks.
2893 (rtx_needs_barrier): Fixed to handle speculative loads and
2895 (ia64_variable_issue): Added code to count speculative loads and their
2897 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2899 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2901 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2903 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2904 (ia64_reorg): Reset stops_p to NULL after it is freed.
2905 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2906 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2907 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2909 (data_speculative, control_speculative, check_load): New attributes.
2910 (mov<mode>_advanced, mov<mode>_speculative,
2911 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2912 zero_extend<mode>di2_speculative,
2913 zero_extend<mode>di2_speculative_advanced): New patterns for
2914 data and control speculative loads.
2915 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2917 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2918 New pattern for data and control speculation checks.
2919 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2920 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2921 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2922 Auxiliary definitions for the patterns.
2923 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2924 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2926 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2928 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2929 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2930 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2931 New resource constraints.
2932 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2934 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2935 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2936 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2937 msched-in-control-spec, msched-ldc, msched-control-ldc,
2938 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2939 msched-prefer-non-control-spec-insns,
2940 msched-count-spec-in-critical-path): New flags to tune speculative
2942 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2943 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2944 msched-in-control-spec, msched-ldc, msched-control-ldc,
2945 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2946 msched-prefer-non-control-spec-insns,
2947 msched-count-spec-in-critical-path): Document new flags.
2949 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2951 * target.h (struct spec_info_def): New opaque declaration.
2952 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2953 speculate_insn, needs_block_p, gen_check,
2954 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2955 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2956 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2957 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2958 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2959 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2961 (TARGET_SCHED): Use new macros.
2962 * rtl.h (copy_DEPS_LIST_list): New prototype.
2963 * sched-int.h (struct sched_info): Change signature of new_ready field,
2964 adjust all initializations. New fields: add_remove_insn,
2965 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2966 region_head_or_leaf_p.
2967 (struct spec_info_def): New structure declaration.
2968 (spec_info_t): New typedef.
2969 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2970 recovery_block, orig_pat.
2971 (glat_start, glat_end): New variables declaraions.
2972 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2974 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2975 DETACH_LIFE_INFO, USE_GLAT.
2976 (enum SPEC_SCHED_FLAGS): New enumeration.
2977 (NOTE_NOTE_BB_P): New macro.
2978 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2979 attach_life_info, debug_spec_status, check_reg_live): New functions.
2980 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2981 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2983 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2984 * ddg.c (get_block_head_tail): Adjust all uses.
2985 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2986 (sms_sched_info): Initialize new fields.
2987 (contributes_to_priority): Removed.
2988 * haifa-sched.c (params.h): New include.
2989 (get_block_head_tail): Adjust all uses.
2990 (ISSUE_POINTS): New macro.
2991 (glat_start, glat_end): New global variables.
2992 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2993 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2994 old_last_basic_block, before_recovery, current_sched_info_var,
2995 rgn_n_insns, luid): New static variables.
2996 (insn_cost1): New function. Move logic from insn_cost to here.
2997 (find_insn_reg_weight1): New function. Move logic from
2998 find_insn_reg_weight to here.
2999 (reemit_notes, move_insn, max_issue): Change signature.
3000 (move_insn1): Removed.
3001 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3002 extend_bb): New static functions to support extension of scheduler's
3004 (generate_recovery_code, process_insn_depend_be_in_spec,
3005 begin_speculative_block, add_to_speculative_block,
3006 init_before_recovery, create_recovery_block, create_check_block_twin,
3007 fix_recovery_deps): New static functions to support
3008 generation of recovery code.
3009 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3010 restore_bb_notes, move_block_after_check, move_succs): New static
3011 functions to support ebb scheduling.
3012 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3013 functions to support handling of register live information.
3014 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3015 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3016 add_jump_dependencies): New static functions.
3017 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3018 consistancy checking.
3019 (debug_spec_status): New function to call from debugger.
3020 (priority): Added code to handle speculation checks.
3021 (rank_for_schedule): Added code to distinguish speculative instructions.
3022 (schedule_insn): Added code to handle speculation checks.
3023 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3024 Fixed to handle ebbs.
3025 (move_insn): Added code to handle ebb scheduling.
3026 (max_issue): Added code to use ISSUE_POINTS of instructions.
3027 (choose_ready): Added code to choose between speculative and
3028 non-speculative instructions.
3029 (schedule_block): Added code to handle ebb scheduling and scheduling of
3030 speculative instructions.
3031 (sched_init): Initialize new variables.
3032 (sched_finish): Free new variables. Print statistics.
3033 (try_ready): Added code to handle speculative instructions.
3034 * lists.c (copy_DEPS_LIST_list): New function.
3035 * sched-deps.c (extend_dependency_caches): New function. Move logic
3036 from create_dependency_caches to here.
3037 (get_dep_weak, ds_merge): Make global.
3038 * genattr.c (main): Code to output prototype for
3039 dfa_clear_single_insn_cache.
3040 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3041 (output_dfa_clean_insn_cache_func): Code to output
3042 dfa_clear_single_insn_cache function.
3043 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3045 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3047 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3048 New static variables.
3049 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3050 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3052 (ebb_sched_info): Initialize new fields.
3053 (get_block_head_tail): Adjust all uses.
3054 (compute_jump_reg_dependencies): Fixed to use glat_start.
3055 (schedule_ebb): Code to remove unreachable last block.
3056 (schedule_ebbs): Added code to update register live information.
3057 * sched-rgn.c (region_sched_info): Initialize new fields.
3058 (get_block_head_tail): Adjust all uses.
3059 (last_was_jump): Removed. Adjust users.
3060 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3061 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3062 Implement new hooks.
3063 (check_dead_notes1): New static function.
3064 (struct region): New fields: dont_calc_deps, has_real_ebb.
3065 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3066 (BB_TO_BLOCK): Fixed to handle EBBs.
3067 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3068 (ebb_head): New static variable.
3069 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3070 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3072 (compute_dom_prob_ps): New assertion.
3073 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3074 global_live_at_start.
3075 (init_ready_list): New assertions.
3076 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3077 (new_ready): Add support for BEGIN_CONTROL speculation.
3078 (schedule_insns): Fixed code that updates register live information
3080 (schedule_region): Fixed to handle EBBs.
3081 (init_regions): Use extend_regions and check_dead_notes1.
3082 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3083 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3084 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3085 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3086 TARGET_SCHED_GEN_CHECK,
3087 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3088 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3089 * doc/invoke.texi (max-sched-insn-conflict-delay,
3090 sched-spec-prob-cutoff): Document.
3092 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3094 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3095 inter_tick, queue_index.
3096 (struct sched_info): Change signature of init_ready_list field.
3097 Adjust all initializations.
3098 (RESOLVED_DEPS): New access macro.
3099 (ready_add): Remove prototype.
3100 (try_ready): Add prototype.
3101 * sched-rgn.c (init_ready_list): Use try_ready.
3102 (schedule_region): Initialize
3103 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3104 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3105 (init_ready_list): Use try_ready.
3106 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3107 * lists.c (remove_list_elem): Remove `static'.
3108 (remove_free_INSN_LIST_elem): New function.
3109 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3110 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3111 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3113 (readyp): New variable.
3114 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3115 change_queue_index, resolve_dep): New static functions.
3116 (try_ready): New function. Adjust callers in sched-rgn.c and
3117 sched-ebb.c to use it instead of ready_add.
3118 (clock_var): Move at the begining of file.
3119 (rank_for_schedule): Fix typo.
3120 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3121 (ready_lastpos): Enforce assertion.
3122 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3124 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3125 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3126 (queue_to_ready): Use free_INSN_LIST_list.
3127 (early_queue_to_ready): Fix typo.
3128 (schedule_block): Init readyp. Move init_ready_list call after the
3129 initialization of clock_var. Fix error in rejecting insn by
3130 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3131 that previously corrected INSN_TICKs. Add code for handling
3133 (set_priorities): Fix typo.
3134 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3135 Clarify comment and code that keeps current_sched_info->next_tail
3138 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3140 * sched-rgn.c (extend_rgns): New static function.
3141 (find_rgns): Use it.
3142 (gather_region_statistics, print_region_statistics): New static
3144 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3145 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3147 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3148 Andrey Belevantsev <abel@ispras.ru>
3150 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3151 * lists.c (unused_deps_list): New variable.
3152 (free_list): Add assertions to verify the proper distinguishing
3153 between INSN_LISTs and DEPS_LISTs.
3154 (find_list_elem, remove_list_elem, remove_list_node): New static
3156 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3157 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3158 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3159 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3161 (free_INSN_LIST_node): Likewise.
3162 * modulo-sched.c (current_sched_info): Initialize flags field.
3163 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3164 * rtl.def (DEPS_LIST): Define.
3165 * rtl.h: Declare new functions from lists.c.
3166 * sched-deps.c (spec_dependency_cache): New static variable.
3167 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3168 (add_dependence): Change return type to void. Move the logic to ...
3169 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3170 (delete_all_dependences): Add comment about forward_dependency_cache.
3171 Handle spec_dependency_cache. Handle DEPS_LISTs.
3172 (fixup_sched_groups): Clarify the change of priority of output
3173 and anti dependencies.
3174 (sched_analyze_2): Adjust add_dependence calls to create data
3175 speculative dependence.
3176 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3177 Adjust all callers. Handle DEPS_LISTS.
3178 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3179 presence of speculation.
3180 (init_dependency_caches, free_dependency_caches):
3181 Handle spec_dependency_cache.
3182 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3183 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3184 New static functions.
3185 (add_or_update_back_dep, add_or_update_back_forw_dep,
3186 add_back_forw_dep, delete_back_forw_dep): New functions.
3187 * sched-int.h (ds_t, dw_t): New typedefs.
3188 (struct sched_info): Add new field flags.
3189 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3190 Prototype new sched-deps.c functions.
3191 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3192 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3193 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3194 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3195 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3196 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3198 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3200 * sched-rgn.c (current_sched_info): Initialize flags field.
3201 (schedule_insns): Initialize current_sched_info before the sched_init
3203 * sched-ebb.c (current_sched_info): Initialize flags field.
3204 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3205 Call add_or_update_back_dep instead of add_dependence.
3206 Create control speculative dependencies.
3207 (schedule_insns): Initialize current_sched_info before the sched_init
3210 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3212 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3214 (sh_fallback_frame_state): Likewise.
3216 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3218 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3219 Do switch on default_use_cxa_atexit.
3220 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3221 * config/darwin-crt3.o: New.
3222 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3223 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3224 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3226 * config/rs6000/t-darwin: Move crt2.o building to here.
3227 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3228 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3231 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3233 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3234 from '! xxx' to '!xxx' for coding-style conformance.
3235 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3236 (EXTRA_CONSTRAINT): Likewise.
3237 * config/vax/vax.md (four unnamed insns): Likewise.
3239 2006-03-15 Paul Brook <paul@codesourcery.com>
3241 * config/arm/arm.c (minipool_pad): New.
3242 (add_minipool_forward_ref): Include pool alignment padding in address
3244 (push_minipool_fix): Set minipool_pad.
3245 (minipool_pad): Ditto.
3247 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3249 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3250 instead of GET_CODE() == MEM and REG_P() instead of
3252 (print_operand_address): Likewise.
3253 (vax_address_cost): Likewise.
3254 (vax_rtx_costs): Likewise.
3255 (vax_notice_update_cc): Likewise.
3256 (vax_output_int_add): Likewise.
3257 (INDEX_REGISTER_P): Likewise.
3258 (BASE_REGISTER_P): Likewise.
3259 (nonindexed_address_p): Likewise.
3260 (vax_mode_dependent_address_p): Likewise.
3261 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3262 (PRINT_OPERAND): Likewise.
3263 * config/vax/vax.md (ashlsi3): Likewise.
3264 (ashlsi3): Likewise.
3265 (some more unnamed insns): Likewise.
3267 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3269 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3270 iterator-style macro.
3271 (mark_control_dependent_edges_necessary): Update the use of
3272 EXECUTE_IF_CONTROL_DEPENDENT.
3274 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3276 * config/sh/predicates.md (cache_address_operand): Special.
3277 (ua_address_operand): Likewise.
3279 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3281 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3283 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3285 2006-03-15 Andreas Schwab <schwab@suse.de>
3287 * gensupport.c (identify_predicable_attribute): Don't free p_false
3288 when it is still in use.
3290 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3292 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3293 the default setting here.
3295 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3297 * tree-pass.h (pass_cfg): Remove.
3298 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3299 * passes.c (pass_cfg): Don't run it.
3301 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3303 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3304 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3306 (stack_regs_mentioned): Update the uses of
3307 stack_regs_mentioned_data. Don't access the array beyond its
3309 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3310 Don't include gt-reg-stack.h.
3312 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3313 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3315 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3318 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3321 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3323 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3325 2006-03-14 Richard Guenther <rguenther@suse.de>
3327 PR tree-optimization/26672
3328 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3331 2006-03-14 Richard Guenther <rguenther@suse.de>
3333 PR tree-optimization/26667
3334 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3335 node for the callees. Always allow inlining if it will shrink
3338 2006-03-14 Richard Guenther <rguenther@suse.de>
3341 * builtins.c (get_pointer_alignment): Prefer alignment
3342 information from decls over that from types.
3344 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3347 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3349 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3351 * config/rs6000/rs6000.opt (mdlmzb): New option.
3352 (msched-prolog, msched-epilog): Use Var not Mask.
3353 * doc/invoke.texi (-mdlmzb): Document.
3354 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3356 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3357 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3359 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3361 PR rtl-optimization/25739
3362 * bt-load.c (augment_live_range): Free tos pointer.
3364 * gensupport.c (identify_predicable_attribute): Free
3366 * gcov.c (create_file_names): Free name pointer.
3368 2006-03-13 Roger Sayle <roger@eyesopen.com>
3371 * stmt.c (emit_case_nodes): Handle the case where the index is a
3372 CONST_INT, where the comparison mode is specified by the index type.
3374 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3376 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3379 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3381 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3382 (*branch_fp_inverted): Likewise.
3384 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3387 * omp-low.c (expand_omp_for_generic): Mark istart0
3388 and iend0 as addressable.
3390 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3392 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3394 2006-03-13 Jeff Law <law@redhat.com>
3396 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3397 virtual operands are interesting.
3398 (vrp_visit_stmt): Corresponding changes.
3400 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3402 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3404 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3405 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3406 * config/bfin/crti.S: Use it instead of __PIC__.
3407 * config/bfin/crtn.S: Likewise.
3409 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3410 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3412 Lose 'G' modifier for call operand.
3413 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3414 recognize 'G' modifier.
3416 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3419 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3420 * stmt.c (expand_case): Likewise.
3422 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3424 PR rtl-optimization/26254
3425 * loop-invariant.c (seq_insns_valid_p): New function.
3426 (move_invariant_reg): Only emit new code if it is valid.
3428 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3430 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3432 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3433 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3434 (commit_one_edge_insertion): Do not look for loop notes.
3436 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3438 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3439 flag_test_coverage out of loop.
3441 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3443 * final.c (shorten_branches): Remove outdated comment, and turn
3444 the if branch that guards it to continue.
3446 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3448 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3449 * cfgloop.h (struct loop): Remove unused fields.
3451 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3453 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3454 (-dL, -fdump-rtl-loop2): Update the dump file names
3456 * doc/invoke.texi: Update dump file names.
3458 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3460 * predict.c (estimate_probability): Remove.
3461 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3462 * basic-block.h (estimate_probability): Remove prototype.
3463 * passes.c (finish_optimization_passes): Dump branch prediction or
3464 profiling heuristics to the .profile tree dump.
3465 (init_optimization_passes): Unqueue pass_branch_prob.
3467 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3469 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3471 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3472 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3474 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3476 * function.h (frame_offset_overflow): Declare.
3477 * function.c (frame_offset_overflow): New function.
3478 (assign_stack_local_1): Call it to detect that the offset overflows.
3479 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3481 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3483 * config/sh/sh.c: Include alloc-pool.h.
3484 (label_ref_list_pool): New alloc pool.
3485 (label_ref_list_t): New type for lists of labels.
3486 (struct pool_node): Make wend a label_ref_list_t.
3487 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3489 (dump_table): Likewise.
3490 (sh_reorg): Set up the alloc pool before using add_constant and
3491 dump_table, and destroy it when finishing.
3493 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3495 * config/mips/mips.c: Remove redundant comment.
3497 2006-03-10 Jason Merrill <jason@redhat.com>
3500 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3501 the target was declared 'register'.
3503 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3505 * genpreds.c (write_insn_constraint_len): Change definition of
3506 insn_constraint_len to return size_t to match the declaration.
3508 2006-03-10 DJ Delorie <dj@redhat.com>
3510 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3512 (m32c_expand_insv): Fix test for an AND mask.
3514 2006-03-10 Richard Guenther <rguenther@suse.de>
3517 * builtins.c (get_pointer_alignment): Handle component
3518 references for field alignment.
3520 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3522 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3523 when building with libgloss.
3524 (sh*elf): Implement --without-fp option.
3525 (sh64-superh-linux*): Don't multilib.
3527 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3529 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3531 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3533 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3534 Set it when one of the replacement functions returned true.
3535 Return TODO_cleanup_cfg if cfgchanged is true.
3536 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3538 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3540 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3541 instead of gen_lowpart.
3543 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3545 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3547 (mips_output_order_conditional_branch): Declare.
3548 * config/mips/mips.h (MIPS_BRANCH): New macro.
3549 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3550 for the comparison. Use gen_condjump.
3551 (mips_output_conditional_branch): Rework interface to take the
3552 asm templates for a direct branch and the inverse of a direct branch.
3553 (mips_output_order_conditional_branch): New function.
3554 (mips_builtin_branch_and_move): New function.
3555 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3556 branch condition. Use gen_single_cc as the condition for
3557 __builtin_mips_upper_* or __builtin_mips_lower_*.
3558 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3559 Use VOIDmode for the branch condition.
3560 * config/mips/predicates.md (order_operator): New predicate.
3561 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3562 (branch_fp): Rename to...
3563 (*branch_fp): ...this. Remove mode from comparison operator.
3564 Use new mips_output_conditional_branch interface.
3565 (branch_fp_inverted): Rename to...
3566 (*branch_fp_inverted): ...this and update as for *branch_fp.
3567 (*branch_zero<mode>): Rename to...
3568 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3569 Use mips_output_order_conditional_branch. Only accept ordered
3571 (*branch_zero<mode>_inverted): Rename to...
3572 (*branch_order<mode>_inverted): ...this and update as for
3573 *branch_order<mode>.
3574 (*branch_equality<mode>): Accept zero as the second operand to
3575 the equality operator. Use the new mips_output_conditional_branch
3577 (*branch_equality<mode>_inverted): Likewise.
3578 (condjump): New expander.
3579 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3581 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3582 (bc1any2t, bc1any2f): Likewise.
3583 (single_cc): New expander.
3584 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3586 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3588 * doc/md.texi: Update documentation of MIPS constraints.
3589 * config/mips/constraints.md: New file.
3590 * config/mips/mips.md: Include it.
3591 * config/mips/mips.c (mips_char_to_class): Delete.
3592 (override_options): Don't initialize mips_char_to_class.
3593 * config/mips/mips.h (mips_char_to_class): Delete.
3594 (REG_CLASS_FROM_LETTER): Delete.
3595 (CONST_OK_FOR_LETTER_P): Delete.
3596 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3597 (EXTRA_CONSTRAINT_Y): Delete.
3598 (EXTRA_CONSTRAINT_STR): Delete.
3599 (CONSTRAINT_LEN): Delete.
3600 (EXTRA_MEMORY_CONSTRAINT): Delete.
3602 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3604 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3605 original fn's eh regions.
3607 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3609 * fold-const.c (build_range_check): Make sure to use a valid type to
3610 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3613 (range_predecessor): New static function.
3614 (range_successor): Likewise.
3615 (merge_ranges): Use them to compute predecessors and successors of
3618 2006-03-09 Roger Sayle <roger@eyesopen.com>
3621 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3622 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3624 2006-03-08 DJ Delorie <dj@redhat.com>
3626 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3627 (addpsi3): Expand to include memory operands. Remove
3628 reload-specific splits.
3629 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3630 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3631 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3632 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3633 (shift1_qi, shift1_hi, insv): New.
3634 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3635 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3636 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3638 * config/m32c/m32c-protos.h: Update as needed.
3639 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3640 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3641 Fail for unrecognized R* constraints.
3642 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3643 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3644 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3646 (m32c_init_libfuncs): New.
3647 (m32c_legitimate_address_p): Add debug wrapper.
3648 (m32c_rtx_costs): New.
3649 (m32c_address_cost): New.
3650 (conversions): Add 'B' prefix.
3651 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3652 operands, or word regnames for QI operands. 'B' prints bit
3654 (m32c_expand_setmemhi): New.
3655 (m32c_expand_movmemhi): New.
3656 (m32c_expand_movstr): New.
3657 (m32c_expand_cmpstr): New.
3658 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3659 (m32c_expand_neg_mulpsi3): Handle non-ints.
3660 (m32c_cmp_flg_0): New.
3661 (m32c_expand_movcc): New.
3662 (m32c_expand_insv): New.
3663 (m32c_scc_pattern): New.
3664 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3665 a0/a1 out of SIregs.
3666 (STORE_FLAG_VALUE): New.
3667 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3670 * config/m32c/mov.md: Make constraints more liberal.
3671 (zero_extendqihi2): Optimize r0/r1 case.
3672 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3673 * config/m32c/predicates.md (m32c_any_operand): New.
3674 (m32c_nonimmediate_operand): New.
3675 (m32c_hl_operand): New.
3676 (m32c_r3_operand): New.
3679 (memsym_operand): New.
3680 (memimmed_operand): New.
3681 (a_qi_operand): New.
3682 (m32c_eqne_operator): New.
3683 (m32c_1bit8_operand): New.
3684 (m32c_1bit16_operand): New.
3685 (m32c_1mask8_operand): New.
3686 (m32c_1mask16_operand): New.
3687 * config/m32c/blkmov.md: New file.
3688 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3690 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3692 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3693 unsigned to fix signed/unsigned comparison issue in
3694 DWARF2_FRAME_REG_OUT.
3695 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3696 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3698 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3699 of ptr into the ENABLE_CHECKING section.
3701 2006-03-08 Jeff Law <law@redhat.com>
3703 * tree-vrp.c (infer_value_range): Only count pointer uses
3704 and dereferences if -fdelete-null-pointer-checks is enabled.
3706 * tree-vrp.c (find_assert_locations): Infer value ranges for
3707 single use pointers, but do not create ASSERT_EXPRs for them.
3708 When a non-null range is inferred for a pointer, backwards
3709 propagate that range to other equivalent pointers through the
3712 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3715 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3716 language hook targets.
3717 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3718 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3719 if language hook targets were missing.
3721 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3723 * tree-ssa-opfinalize.h: Removed.
3724 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3726 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3727 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3728 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3729 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3730 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3731 finalize_ssa_v_must_def_ops): New.
3733 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3735 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3738 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3740 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3742 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3743 addresses with offsets; reorganize.
3745 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3746 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3747 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3749 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3752 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3754 2006-03-08 Ben Elliston <bje@au.ibm.com>
3756 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3758 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3761 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3764 2006-03-07 Richard Guenther <rguenther@suse.de>
3766 PR tree-optimization/26587
3767 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3769 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3771 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3773 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3775 * hooks.c (hook_bool_mode_rtx_true): New function.
3776 * hooks.h (hook_bool_mode_rtx_true): Declare.
3777 * toplev.c (compile_file): Call output_shared_constant_pool.
3778 * varasm.c (shared_constant_pool): New variable.
3779 (assemble_start_function, assemble_end_function): Remove arguments
3780 from call to output_constant_pool.
3781 (create_constant_pool): New function, split out from...
3782 (init_varasm_status): ...here.
3783 (force_const_mem): Choose between the shared and per-function constant
3784 pools. Set current_function_uses_const_pool when reusing old entries
3785 as well as when creating new ones.
3786 (mark_constant): Ignore data argument.
3787 (mark_constants): Remove pool argument.
3788 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3789 to decide whether the function uses a constant pool.
3790 (output_constant_pool_contents): New function, split out from...
3791 (output_constant_pool): ...here.
3792 (output_shared_constant_pool): New function.
3793 (init_varasm_once): Initialize shared_constant_pool.
3794 * output.h (output_constant_pool): Delete.
3795 (output_shared_constant_pool): Declare.
3796 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3797 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3799 2006-03-06 Nick Clifton <nickc@redhat.com>
3801 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3802 flag_strength_reduce.
3804 2006-03-06 Ben Elliston <bje@au.ibm.com>
3806 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3807 x86_64-*-linux* configurations.
3809 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3810 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3812 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3814 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3816 * basic-block.h: Remove the extern for
3817 rediscover_loops_after_threading.
3819 * cfgloop.c (cancel_loop): Make it static.
3820 * cfgloop.h: Remove the prototype for cancel_loop.
3822 * flow.c (recompute_reg_usage): Make it static.
3823 * rtl.h: Remove the prototype for recompute_reg_usage.
3825 * function.c (use_return_register): Make it static.
3826 * function.h: Remove the prototype.
3828 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3830 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3832 * recog.h: Remove the prototype for
3833 validate_change_maybe_volatile.
3835 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3837 * rtlanal.c (replace_reg): Remove.
3838 * rtl.h: Remove the prototype for replace_reg.
3840 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3842 * regclass.c (reg_scan_update): Remove.
3843 (reg_scan_mark_refs): Remove the last argument.
3844 * rtl.h: Remove the prototype for reg_scan_update.
3846 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3848 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3849 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3850 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3851 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3852 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3853 loop-invariant.c, omp-low.c, opts.c, passes.c,
3854 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3855 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3856 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3857 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3858 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3859 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3861 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3863 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3864 * dwarf2out.h: Remove the prototype for
3865 dwarf2out_add_library_unit_info.
3867 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3869 * tree.c (add_var_to_bind_expr): Remove.
3870 * tree.h: Remove the prototype for add_var_to_bind_expr.
3872 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3874 * regclass.c (n_non_fixed_regs): Remove.
3875 (init_reg_sets_1, globalize_reg): Remove all uses of
3877 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3879 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3881 * rtlanal.c (insns_safe_to_move_p): Remove.
3882 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3884 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3886 * expmed.c (expand_mult_add): Remove.
3887 * expr.h: Remove the prototype for expand_mult_add.
3889 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3891 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3892 and REG_SAVED_VAL_EXP constants.
3893 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3894 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3895 Handle regs stored by value.
3896 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3897 (execute_cfa_program): Handle DW_CFA_val_offset,
3898 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3899 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3900 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3901 (uw_install_context_1): Handle target regs stored by value.
3903 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3905 * tree-sra.c (tree_sra): Return todoflags;
3906 (generate_one_element): Set TODO_update_smt_usage if needed.
3907 (pass_sra): Remove TODO_update_smt_usage.
3908 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3910 (tree_ssa_forward_propagate_single_use_vars): Return
3911 TODO_update_smt_usage if we need to update SMT usage.
3912 (pass_forwprop): Remove TODO_update_smt_usage.
3914 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3916 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3917 (correct_use_link): Remove reference to get_stmt_operands.
3918 (update_stmt_operands): Likewise.
3919 (get_modify_expr_operands): New function factored out of
3920 parse_ssa_operands and get_expr_operands.
3921 Try to create V_MUST_DEFs for LHS by default.
3922 (get_expr_operands) <case MODIFY_EXPR>: Call
3923 get_modify_expr_operands.
3924 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3925 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3926 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3927 get_modify_expr_operands.
3929 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3931 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3932 * tree-flow.h: Remove the prototype for
3933 referenced_var_lookup_if_exists.
3935 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3937 PR rtl-optimization/26345
3939 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3941 2006-03-03 Roger Sayle <roger@eyesopen.com>
3943 PR tree-optimization/26524
3944 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3945 fold_convert to create a constant of the appropriate type.
3947 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3949 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3950 SYMBOL_REF_IN_BLOCK_P.
3951 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3952 of SYMBOL_FLAG_IN_BLOCK.
3953 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3954 instead of SYMBOL_REF_IN_BLOCK_P.
3955 * explow.c (use_anchored_address): Likewise.
3956 * rtl.c (rtx_size): Likewise.
3957 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3958 instead of SYMBOL_FLAG_IN_BLOCK.
3959 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3960 SYMBOL_REF_IN_BLOCK_P.
3961 (assemble_variable): Likewise.
3962 (output_constant_def_contents): Likewise.
3963 (output_constant_pool): Likewise.
3964 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3965 instead of SYMBOL_FLAG_IN_BLOCK.
3966 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3967 SYMBOL_REF_IN_BLOCK_P.
3968 (SYMBOL_REF_BLOCK): Likewise.
3969 (SYMBOL_REF_OFFSET): Likewise.
3970 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3971 SYMBOL_REF_IN_BLOCK_P.
3972 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3973 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3974 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3975 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3977 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3979 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3981 2006-03-02 Roger Sayle <roger@eyesopen.com>
3983 * simplify-rtx.c (simplify_unary_operation): When simplifying
3984 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3985 that we perform the right shift in the appropriate mode, and
3986 then extend or truncate the result to requested mode.
3988 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3990 * gengtype.c (main): Handle double_int type.
3991 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3992 * double-int.c: New file.
3993 * double-int.h: New file.
3994 * system.h: Include doubleint.h.
3995 * Makefile.in (SYSTEM_H): Include double-int.h.
3996 (double-int.o): Add.
3998 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4001 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4004 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4006 * tree-vrp.c (remove_range_assertions): Do not update statements
4009 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4011 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4013 * gcse.c (rest_of_handle_gcse): Ditto.
4014 * except.c (gate_handle_eh): Ditto.
4015 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4016 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4018 2006-03-02 Eric Christopher <echristo@apple.com>
4020 * config/i386/i386.c (machopic_output_stub): Add indirection to
4023 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4027 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4029 Sun Niagara specific optimizations.
4030 * config.gcc: Recognize niagara as target.
4031 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4032 (TARGET_CPU_niagara): Define.
4033 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4034 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4035 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4036 (ASM_CPU_SPEC): Likewise.
4037 (PROCESSOR_NIAGARA): New enum entry.
4038 (REGISTER_MOVE_COST): Handle Niagara.
4039 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4040 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4041 (sparc_override_options): Recognize "niagara", set appropriate
4042 default MASK_* values for it, and align functions to 32-bytes
4043 by default just like ULTRASPARC/ULTRASPARC3.
4044 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4045 (sparc64_initialize_trampoline): Likewise.
4046 (sparc_use_sched_lookahead): Use zero for niagara.
4047 (sparc_issue_rate): Use one for niagara.
4048 * config/sparc/niagara.md: New file.
4049 * config/sparc/sparc.md: Include it.
4050 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4051 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4052 when default cpu is niagara.
4053 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4054 (ASM_CPU_SPEC): Likewise.
4055 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4056 when default cpu is niagara.
4057 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4058 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4059 just like v9/ultrasparc/ultrasparc3.
4060 * doc/invoke.texi: Add documentation for "niagara" and improve
4061 existing documentation for ultrasparc variants.
4063 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4065 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4067 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4069 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4070 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4071 and say that only one is needed.
4072 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4073 * target.h (have_switchable_bss_sections): New hook.
4074 * explow.c (use_anchored_address): Check that the symbol is in a block.
4075 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4076 (bss_noswitch_section): New variables.
4077 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4078 (get_noswitch_section): New function.
4079 (get_block_for_section): Allow SECT to be null.
4080 (unlikely_text_section_p): Use SECTION_STYLE.
4081 (bss_initializer_p): New function.
4082 (get_variable_section): Move earlier in file. Take a new argument,
4083 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4084 Return one of the new *_sections in such cases.
4085 (get_block_for_decl): New function, extracting some logic from
4086 use_blocks_for_decl_p.
4087 (change_symbol_section): Remove in favor of...
4088 (change_symbol_block): ...this new function.
4089 (use_blocks_for_decl_p): Remove checks now performed by
4091 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4092 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4093 (emit_local, emit_bss, emit_common): ...these new functions.
4094 Return true if the alignment was honored.
4095 (emit_tls_common): New function.
4096 (asm_emit_uninitialised): Delete.
4097 (assemble_variable_noswitch): New function, split out from...
4098 (assemble_variable): ...here. Don't make decisions about common
4099 variables here. Globalize all public decls that go into non-common
4100 sections. Check whether SYMBOL_REF_BLOCK is null.
4101 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4102 (output_constant_pool): Likewise.
4103 (init_varasm_once): Initialize the new section variables.
4104 (have_global_bss_p): New function.
4105 (categorize_decl_for_section): Use bss_initializer_p.
4106 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4107 (place_block_symbol): Assert that the symbol must be in a block.
4108 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4109 (TARGET_INITIALIZER): Include it.
4110 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4111 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4112 (SECTION_MACH_DEP): Bump by two.
4113 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4114 (unnamed_section): Mention SECTION_UNNAMED in comment.
4115 (named_section): Likewise SECTION_NAMED.
4116 (noswitch_section_callback): New type.
4117 (noswitch_section): New structure.
4118 (section): Add a noswitch_section alternative.
4119 (SECTION_STYLE): New macro.
4120 (tls_comm_section, comm_section, lcomm_section): Declare.
4121 (bss_noswitch_section, have_global_bss_p): Declare.
4122 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4123 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4125 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4126 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4129 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4131 * gcc/tree-vrp.c (execute_vrp): Return value.
4132 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4133 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4134 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4135 (tree_lower_complex_O0): Ditto.
4136 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4137 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4138 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4139 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4140 (execute_tail_calls): Ditto.
4141 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4142 * gcc/tree.h (init_function_for_compilation): Ditto.
4143 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4144 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4145 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4146 * gcc/final.c (compute_alignments): Ditto.
4147 (rest_of_handle_final): Ditto.
4148 (rest_of_handle_shorten_branches): Ditto.
4149 (rest_of_clean_state): Ditto.
4150 * gcc/omp-low.c (execute_expand_omp): Ditto.
4151 (execute_lower_omp): Ditto.
4152 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4153 * gcc/ipa-reference.c (static_execute): Ditto.
4154 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4155 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4156 (rest_of_handle_machine_reorg): Ditto.
4157 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4158 * gcc/flow.c (recompute_reg_usage): Ditto.
4159 (rest_of_handle_remove_death_notes): Ditto.
4160 (rest_of_handle_life): Ditto.
4161 (rest_of_handle_flow2): Ditto.
4162 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4163 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4164 (do_ssa_store_ccp): Ditto.
4165 (execute_fold_all_builtins): Ditto.
4166 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4167 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4168 * gcc/ipa-pure-const.c (static_execute): Ditto.
4169 * gcc/cse.c (rest_of_handle_cse): Ditto.
4170 (rest_of_handle_cse2): Ditto.
4171 * gcc/web.c (rest_of_handle_web): Ditto.
4172 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4173 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4174 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4175 * gcc/tree-nrv.c (tree_nrv): Ditto.
4176 (execute_return_slot_opt): Ditto.
4177 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4178 (create_structure_vars): Ditto.
4179 * gcc/loop-init.c (rtl_loop_init): Ditto.
4180 (rtl_loop_done): Ditto.
4181 (rtl_move_loop_invariants): Ditto.
4182 (rtl_unswitch): Ditto.
4183 (rtl_unroll_and_peel_loops): Ditto.
4184 (rtl_doloop): Ditto.
4185 * gcc/gimple-low.c (lower_function_body): Ditto.
4186 (mark_used_blocks): Ditto.
4187 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4188 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4189 (cgraph_early_inlining): Ditto.
4190 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4191 * gcc/jump.c (cleanup_barriers): Ditto.
4192 (purge_line_number_notes): Ditto.
4193 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4194 (rest_of_handle_if_after_reload): Ditto.
4195 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4196 (tree_ssa_loop_im): Ditto.
4197 (tree_ssa_loop_unswitch): Ditto.
4198 (tree_vectorize): Ditto.
4199 (tree_linear_transform): Ditto.
4200 (tree_ssa_loop_ivcanon): Ditto.
4201 (tree_ssa_empty_loop): Ditto.
4202 (tree_ssa_loop_bounds): Ditto.
4203 (tree_complete_unroll): Ditto.
4204 (tree_ssa_loop_prefetch): Ditto.
4205 (tree_ssa_loop_ivopts): Ditto.
4206 (tree_ssa_loop_done): Ditto.
4207 * gcc/predict.c (tree_estimate_probability): Ditto.
4208 * gcc/recog.c (split_all_insns_noflow): Ditto.
4209 (rest_of_handle_peephole2): Ditto.
4210 (rest_of_handle_split_all_insns): Ditto.
4211 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4212 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4213 (rest_of_handle_stack_adjustments): Ditto.
4214 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4215 * gcc/function.c (instantiate_virtual_regs): Ditto.
4216 (init_function_for_compilation): Ditto.
4217 (rest_of_handle_check_leaf_regs): Ditto.
4218 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4219 (rest_of_handle_gcse): Ditto.
4220 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4221 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4222 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4223 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4224 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4225 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4226 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4227 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4228 * gcc/except.c (set_nothrow_function_flags): Ditto.
4229 (convert_to_eh_region_ranges): Ditto.
4230 (rest_of_handle_eh): Ditto.
4231 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4232 (remove_unnecessary_notes): Ditto.
4233 * gcc/except.h (set_nothrow_function_flags): Ditto.
4234 (convert_to_eh_region_ranges): Ditto.
4235 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4236 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4237 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4238 (execute_fre): Ditto.
4239 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4240 (rest_of_handle_jump2): Ditto.
4241 * gcc/tree-sra.c (tree_sra): Ditto.
4242 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4243 (execute_mudflap_function_decls): Ditto.
4244 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4245 (do_store_copy_prop): Ditto.
4246 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4247 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4248 * gcc/tree-ssa-forwprop.c
4249 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4250 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4251 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4252 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4253 (execute_late_warn_uninitialized): Ditto.
4254 * gcc/rtl.h (cleanup_barriers): Ditto.
4255 (split_all_insns_noflow): Ditto.
4256 (purge_line_number_notes): Ditto.
4257 (unshare_all_rtl): Ditto.
4258 (remove_unnecessary_notes): Ditto.
4259 (recompute_reg_usage): Ditto.
4260 (variable_tracking_main): Ditto.
4261 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4262 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4263 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4264 (execute_free_cfg_annotations): Ditto.
4265 (execute_fixup_cfg): Ditto.
4266 (execute_cleanup_cfg_pre_ipa): Ditto.
4267 (execute_cleanup_cfg_post_optimizing): Ditto.
4268 (execute_init_datastructures): Ditto.
4269 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4270 * gcc/combine.c (rest_of_handle_combine): Ditto.
4271 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4272 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4273 (rest_of_handle_reorder_blocks): Ditto.
4274 (rest_of_handle_partition_blocks): Ditto.
4275 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4276 * gcc/tree-profile.c (tree_profiling): Ditto.
4277 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4278 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4279 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4280 (rest_of_handle_sched2): Ditto.
4281 * gcc/basic-block.h (free_bb_insn): Ditto.
4282 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4283 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4284 (remove_useless_stmts): Ditto.
4285 (split_critical_edges): Ditto.
4286 (execute_warn_function_return): Ditto.
4287 (execute_warn_function_noreturn): Ditto.
4288 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4289 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4290 * gcc/passes.c (execute_one_pass): Run additional
4291 todos returned by execute function.
4292 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4295 2006-03-02 Richard Guenther <rguenther@suse.de>
4297 * tree-ssa-alias.c (find_used_portions): Consider taking
4298 the address as making the variable not write-only.
4300 2006-03-02 Nick Clifton <nickc@redhat.com>
4302 * config.gcc (default_use_cxa_atexit): Extend the description of
4303 this configure variable. Set its default value to "yes" for
4304 Linux, NetBSD and ELF targets on the assumption that they will
4305 use C libraries with the __cxa_atexit function.
4307 2006-03-02 Ben Elliston <bje@au.ibm.com>
4309 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4310 parameter as unused to suppress a build warning.
4312 2006-03-02 Ben Elliston <bje@au.ibm.com>
4314 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4317 2006-03-01 Roger Sayle <roger@eyesopen.com>
4320 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4321 declared name, the weak reference name, and the typeof name.
4322 (__gthrw): Avoid expanding the declared name suffix.
4323 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4325 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4327 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4329 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4330 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4331 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4332 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4333 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4334 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4335 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4336 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4337 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4338 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4339 (DW_END_default, DW_END_big, DW_END_little): New.
4340 (DW_END_lo_user, DW_END_hi_user): Define.
4341 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4342 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4343 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4346 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4348 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4350 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4352 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4354 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4356 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4357 to 'symbol_mem_tag'.
4359 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4362 2006-03-01 Roger Sayle <roger@eyesopen.com>
4364 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4366 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4369 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4370 MACHO_DYNAMIC_NO_PIC_P.
4371 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4373 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4376 * config/darwin-protos.h (darwin_asm_output_anchor):
4378 * config/darwin-sections.def (cstring_section):
4379 Add SECTION_MERGE to the flags.
4380 (literal4_section): Likewise.
4381 (literal8_section): Likewise.
4382 (objc_selector_refs_section): Likewise.
4383 (objc_cls_refs_section): Likewise.
4384 * config/darwin.c (darwin_asm_output_anchor): New
4386 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4388 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4390 Fix PR tree-optimization/26443
4391 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4392 to todo and PROP_tmt_usage to properties_destroyed.
4393 * tree-ssa-ccp.c (pass_ccp): Ditto.
4394 (pass_store_ccp): Ditto.
4395 * tree-ssa-dom.c (pass_dominator): Ditto.
4397 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4399 * tree-ssa-operands.c: Cleanup whitespace.
4400 (get_asm_expr_operands): Move before first invocation.
4401 (get_indirect_ref_operands): Likewise.
4402 (get_tmr_operands): Likewise.
4403 (get_call_expr_operands): Likewise.
4404 (append_def): Likewise.
4405 (append_use): Likewise.
4406 (append_v_may_def): Likewise.
4407 (append_v_must_def): Likewise.
4408 (add_call_clobber_ops): Likewise.
4409 (add_call_read_ops): Likewise.
4410 (add_stmt_operand): Likewise.
4411 (add_virtual_operand): Likewise.
4412 (build_ssa_operands): Likewise.
4414 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4419 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4420 with a call expr to ...
4421 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4423 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4425 * tree-vrp.c (extract_range_from_assert): Remove special
4426 handling for types with super-types.
4428 2006-03-01 Ben Elliston <bje@au.ibm.com>
4430 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4431 and powerpc64-*-linux* configurations.
4432 * config/t-dfprules: New file.
4434 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4435 Compile dfp-bit.c from the source directory using -DWIDTH and
4436 $DFP_CFLAGS to control the compilation of that file, rather than
4437 generating width-specific versions in the build directory.
4438 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4439 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4441 2006-02-28 Zack Weinberg <zackw@panix.com>
4443 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4446 2006-02-28 Eric Christopher <echristo@apple.com>
4448 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4449 Set up IN_LIBGCC definition of TARGET_64BIT.
4450 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4452 2006-02-28 Roger Sayle <roger@eyesopen.com>
4455 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4456 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4457 cases via the construction of "expr != 0".
4459 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4461 * alias.c (alias_invariant, alias_invariant_size): Remove.
4462 (record_base_value): Remove.
4463 (memrefs_conflict_p): Don't look at alias_invariant.
4464 (end_alias_analysis): Don't free it.
4465 * alias.h (record_base_value): Remove prototype.
4467 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4468 Adam Nemet <anemet@caviumnetworks.com>
4470 * rtl.h (truncated_to_mode): Declare it.
4471 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4472 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4473 (RTL_HOOKS_INITIALIZER): Include it.
4474 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4475 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4476 reg_truncated_to_mode.
4477 * rtlanal.c (truncated_to_mode): Define it.
4478 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4480 2006-02-28 Jeff Law <law@redhat.com>
4482 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4483 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4484 the range allowed by TYPE_PRECISION.
4486 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4488 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4490 PR tree-optimization/26419
4491 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4494 2006-02-27 Zack Weinberg <zackw@panix.com>
4496 * doc/md.texi: Fix typo in previous change.
4498 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4502 2006-02-27 Zack Weinberg <zackw@panix.com>
4504 * rtl.def (define_constraint, define_register_constraint)
4505 (define_memory_constraint, define_address_constraint): New MD forms.
4506 * gensupport.c (process_rtx): Put define_constraint etc on the
4508 * genpreds.c (process_define_predicate): Adjust comment. Validate
4509 the name, and call validate_exp to validate the expression.
4510 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4511 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4512 all callers changed.
4513 (validate_exp, needs_variable, struct constraint_data)
4514 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4515 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4516 (const_dbl_constraints, constraint_max_namelen)
4517 (have_register_constraints, have_memory_constraints)
4518 (have_address_constraints, have_address_constraints)
4519 (have_extra_constraints, have_const_int_constraints)
4520 (have_const_dbl_constraints, mangle, add_constraint)
4521 (process_define_constraint, process_define_register_constraint)
4522 (write_enum_constraint_num, write_lookup_constraint)
4523 (write_insn_constraint_len, write_regclass_for_constraint)
4524 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4525 (write_insn_extra_memory_constraint)
4526 (write_insn_extra_address_constraint)
4527 (write_satisfies_constraint_fns): New.
4528 (write_tm_preds_h): If we have new-style constraint definitions,
4529 prototype the functions generated from them, and define the
4530 old constraint interface (still used by generic code) in terms of
4532 (write_insn_preds_c): If we have new-style constraint definitions,
4533 generate all relevant functions from those definitions.
4534 (main): Handle define_constraint etc.
4535 * genoutput.c (struct constraint_data, indep_constraints)
4536 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4537 (mdep_constraint_len): New data structures and functions, defined
4538 #ifdef USE_MD_CONSTRAINTS.
4539 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4540 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4541 use new logic to validate operand constraints against constraint
4543 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4545 * defaults.h: If none of the old-style constraint macros are
4546 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4547 old-style macros; and poison REG_CLASS_FROM_LETTER,
4548 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4550 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4551 * doc/md.texi: Document new constraint-definition mechanism and the
4552 C interface it provides. Remove references to old mechanism
4553 elsewhere in the document.
4554 (Machine Constraints): Use pathnames relative to gcc directory,
4555 i.e. config/ARCH/FILE. Change i386 section to refer to
4556 config/i386/predicates.md; update that section to match docstrings.
4557 * doc/tm.texi: Move all documentation of the old constraint-
4558 definition macros to their own section, clearly mark as obsolete.
4560 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4561 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4563 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4564 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4565 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4567 (splits and peepholes): Use satisfies_constraint_*.
4568 * config/i386/i386.c (memory_address_length)
4569 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4571 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4573 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4574 scalar operation to be put back into the loop.
4576 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4579 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4580 (extract_cie_info): Handle S flag in augmentation string.
4581 (execute_cfa_program): If context->signal_frame, execute also
4582 fs->pc == context->ra instructions.
4583 (uw_frame_state_for): If context->signal_frame, don't subtract one
4584 from context->ra to find FDE.
4585 (uw_update_context_1): Set context->signal_frame to
4587 (_Unwind_GetIPInfo): New function.
4588 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4589 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4591 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4592 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4593 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4594 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4595 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4596 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4597 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4598 x86_64_fallback_frame_state): Set fs->signal_frame.
4599 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4600 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4601 (frob_update_context): Likewise. Workaround missing S flag in
4602 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4603 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4604 Remove the psw_addr + 1 hack.
4606 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4608 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4609 with aggregates here.
4610 (find_func_aliases): Remove code for &<aggregate> from here.
4612 2006-02-26 Roger Sayle <roger@eyesopen.com>
4614 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4615 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4616 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4619 2006-02-26 Roger Sayle <roger@eyesopen.com>
4622 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4624 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4626 * opts.c (decode_options): Do not handle flag_strength_reduce.
4627 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4628 and OPT_fstrength_reduce.
4629 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4630 flag_prefetch_loop_arrays for being nonzero.
4631 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4633 (fprefetch-loop-arrays-rtl): Removed.
4634 (flag_prefetch_loop_arrays): Do not specify the value.
4636 * doc/passes.texi: Update documentation of loop optimizer
4638 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4639 -frerun-loop-opt): Remove.
4641 2006-02-26 Richard Guenther <rguenther@suse.de>
4643 PR tree-optimization/26421
4644 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4645 in function calls that are ADDR_EXPRs as using the whole structure.
4647 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4649 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4650 * tree-pass.h (pass_loop_optimize): Remove.
4651 * passes.c (pass_loop_optimize): Never run it.
4652 * toplev.c (backend_init): Don't call init_loop.
4653 * opts.c (flag_loop_optimize_set): Remove.
4654 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4655 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4656 the old RTL loop optimizer when profiling enabled.
4657 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4658 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4659 pre-headers for the sake of the old RTL loop optimizer.
4660 * Makefile.in: Remove all references to loop.o.
4662 * doc/invoke.texi: Remove all references to -floop-optimize
4663 and -frerun-loop-opt.
4665 2006-02-26 Zack Weinberg <zackw@panix.com>
4667 * doc/md.texi (Machine Constraints): Refer to all files with paths
4668 relative to gcc directory (i.e. config/CPU/file). Add missing
4669 @table @code ... @end table to M32C subsection.
4671 2006-02-26 Roger Sayle <roger@eyesopen.com>
4673 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4675 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4677 2006-02-26 Roger Sayle <roger@eyesopen.com>
4678 James A. Morrison <phython@gcc.gnu.org>
4681 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4682 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4683 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4684 signedness of the shift operation.
4686 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4688 PR tree-optimization/26359
4689 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4691 2006-02-25 Roger Sayle <roger@eyesopen.com>
4693 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4694 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4695 as X == 0, and some symmetry related transformations.
4696 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4698 2006-02-25 Roger Sayle <roger@eyesopen.com>
4701 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4702 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4703 symmetry related transformations. Fold (X^C1) == C2 as
4706 2006-02-25 Juergen Weigert <jw@suse.de>
4707 Richard Guenther <rguenther@suse.de>
4709 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4711 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4713 * combine.c (gen_lowpart_or_truncate): Call
4714 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4716 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4718 * doc/invoke.texi: Move -fopenmp description to "Options for
4720 Remove reference to -lgomp.
4722 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4724 * doc/install.texi: Require GNU tar version 1.14.
4726 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4728 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4729 * doc/invoke.texi (C++ Dialect Options): Document
4730 -fno-use-cxa-get-exception-ptr.
4731 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4732 * configure: Regenerate.
4733 * c.opt (fuse-cxa-get-exception-ptr): New.
4734 * c-opts.c (c_common_handle_option): Handle
4735 OPT_fuse_cxa_get_exception_ptr.
4736 * c-common.c (flag_use_cxa_atexit): Update documentation.
4737 (flag_use_cxa_get_exception_ptr): New.
4738 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4739 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4741 (C_COMMON_OVERRIDE_OPTIONS): New.
4743 2006-02-24 Roger Sayle <roger@eyesopen.com>
4746 * combine.c (try_combine): Explicitly check whether GET_CODE is
4747 a SET or a CLOBBER, instead on checking that it isn't a USE.
4749 2006-02-24 Roger Sayle <roger@eyesopen.com>
4751 * fold-const.c (fold_comparison): New subroutine of fold_binary
4752 containing transformations common to both the equality and
4753 ordering relational operators, factored out of fold_binary.
4754 (fold_binary): Separate out the equality operators (EQ_EXPR
4755 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4756 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4757 transformations common to both.
4758 (fold_div_compare): Fix latent bugs in the previously unreachable
4759 LT_EXPR and GE_EXPR cases.
4761 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4763 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4764 decl libname for clog to __clog on AIX.
4766 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4768 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4771 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4772 output traceback table for thunks. Localise rs6000_stack_info call.
4774 2006-02-23 Roger Sayle <roger@eyesopen.com>
4775 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4777 * gthr-posix.h (__gthrw): Fix typo in comment.
4779 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4781 * doc/cpp.texi (Character sets): Document that we do support
4782 input files to be in any character set.
4784 2006-02-23 Jeff Law <law@redhat.com>
4786 * tree.h (PHI_ARG_NONZERO): Remove.
4787 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4788 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4789 node to the new node.
4791 PR tree-optimization/26425
4792 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4793 min/max, then assume its varying.
4795 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4797 PR rtl-optimization/26316
4798 * rtlanal.c (enum may_trap_p_flags): New.
4799 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4800 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4801 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4802 (may_trap_after_code_motion_p): New function.
4803 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4804 (find_invariant_insn): Use may_trap_after_code_motion_p.
4805 * rtl.h (may_trap_after_code_motion_p): Declare.
4807 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4809 * emit-rtl.c (immed_double_const): Cleanup.
4811 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4813 Fix PR tree-optimization/26376
4814 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4817 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4820 * gimplify.c (omp_add_variable): Guard variable size decl test with
4821 DECL_SIZE (decl) check.
4823 2006-02-23 Richard Guenther <rguenther@suse.de>
4826 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4827 like aggregate types.
4829 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4831 * configure.ac: Add --with{,out}-long-double-128 configure option.
4832 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4833 * configure: Rebuilt.
4834 * config.in: Rebuilt.
4835 * doc/install.texi (Options specification): Document
4836 --with-long-double-128.
4838 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4839 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4840 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4841 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4843 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4845 * config/s390/s390.c (override_options): Handle
4846 TARGET_DEFAULT_LONG_DOUBLE_128.
4848 * config/alpha/alpha.c (override_options): Handle
4849 TARGET_DEFAULT_LONG_DOUBLE_128.
4851 * config/sparc/sparc.c (sparc_override_options): Handle
4852 TARGET_DEFAULT_LONG_DOUBLE_128.
4854 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4856 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4857 (real-install-headers-tar, real-install-headers-cpio)
4858 (real-install-headers-cp): New targets.
4860 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4862 * tree.h (variable_section): Delete.
4863 * varasm.c (variable_section): Delete.
4865 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4867 * install.texi: Add notes on install.texi2html.
4868 (Building in parallel): Do not use footnotes.
4870 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4873 * doc/install.texi (Configuration): Document --disable-libgomp.
4875 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4877 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4879 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4881 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4882 (vec_extractv2df_0_sse): New.
4884 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4886 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4887 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4888 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4889 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4890 to the result of the expression.
4891 (def_cfa_1): Adjust.
4892 (frame_pointer_cfa_offset): Rename to...
4893 (frame_pointer_fb_offset): ... this. Adjust all uses.
4894 (convert_cfa_to_loc_list): Rename to...
4895 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4896 Pass it on to build_cfa_loc.
4897 (compute_frame_pointer_to_cfa_displacement): Rename to...
4898 (compute_frame_pointer_to_fb_displacement): ... this. New
4899 offset parameter. Use it in computation.
4900 (gen_subprogram_die): Compute cfa_fb_offset with the new
4901 macro, and use it to compute the fb loc list and the
4904 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4906 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4907 replaced with register_operand.
4908 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4909 non-DREG is expensive.
4910 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4911 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4914 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4916 * doc/install.texi2html: Use set -e.
4918 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4920 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4921 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4922 * doc/invoke.texi (-fshared-data): Delete.
4923 * common.opt (fshared-data): Delete.
4924 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4925 (assemble_static_space): Remove #if 0 code.
4926 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4927 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4928 * config/cris/cris.h: Remove FIXME.
4930 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4932 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4935 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4938 * combine.c (simplify_shift_const_1): Disable nested shifts
4939 optimization for vector shifts.
4941 2006-02-20 Roger Sayle <roger@eyesopen.com>
4943 PR tree-optimization/26361
4944 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4945 of unsigned integer types.
4947 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4949 * tree-chrec.c (eq_evolutions_p): New.
4950 * tree-chrec.h (eq_evolutions_p): Declared.
4951 * tree-data-ref.c: Fix formatting.
4952 (datadep_stats, dependence_stats): New.
4954 (print_direction_vector): New.
4955 (dump_data_dependence_relation): Use print_direction_vector.
4956 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4957 (compute_subscript_distance): Static.
4958 (initialize_data_dependence_relation): Static. Get the number
4959 of loops surrounding the references from the callers, and initialize
4960 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4961 base_object_differ_p analyzers.
4962 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4963 compute_overlap_steps_for_affine_1_2,
4964 analyze_subscript_affine_affine): Count the classified dependences.
4965 Print a message when a test failed.
4966 (can_use_analyze_subscript_affine_affine): New.
4967 (analyze_siv_subscript): Compute the data dependences on symbolic
4968 scevs that verify can_use_analyze_subscript_affine_affine.
4969 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4970 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4971 Handle symbolic scevs.
4972 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4974 (subscript_dependence_tester): Moved...
4975 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4976 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4977 DDR_SIZE_VECT instead of getting it in parameter.
4978 (subscript_dependence_tester): ... here. Take as a parameter
4979 loop_nest_depth. Call build_classic_dist_vector and
4980 build_classic_dir_vector.
4981 (compute_affine_dependence): Update subscript_dependence_tester
4982 parameters. Update datadep_stats counters. Call
4983 compute_subscript_distance.
4984 (compute_self_dependence): Save the dist and dir vectors. Call
4985 compute_subscript_distance.
4986 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4987 (compute_all_dependences): Reorder parameters as they were before
4988 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4989 compute_subscript_distance. Update the use of
4990 compute_affine_dependence and initialize_data_dependence_relation.
4991 (find_data_references_in_loop): Handle COMPONENT_REF.
4992 (compute_data_dependences_for_loop): Initialize dependence_stats.
4993 Don't call build_classic_dist_vector and build_classic_dir_vector.
4994 Update the parameters of initialize_data_dependence_relation and
4995 compute_all_dependences. Print the statistics from datadep_stats.
4996 (analyze_all_data_dependences): Static. Not used until the pass for
4997 checking the data dependences is contributed.
4998 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4999 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5000 (initialize_data_dependence_relation, compute_affine_dependence,
5001 analyze_all_data_dependences, compute_subscript_distance): Removed.
5002 (print_direction_vector): New.
5003 * lambda.h (gcd): ... here.
5004 (lambda_vector_gcd): Moved here from gcd_vector.
5005 * lambda-code.c (gcd, gcd_vector): Removed.
5006 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5007 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5009 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5011 * ipa-type-escape.c: Tidy some comments and white space.
5012 * tree-ssa-operands.c: Likewise.
5014 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5017 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5018 (dump_decl_name): Do not walk the decl tree chains.
5019 * tree-pass.h (TDF_CHAIN): Remove.
5021 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5023 * Makefile.in (C): Remove
5025 (.PHONY): Remove C and PROTO
5027 2006-02-20 Roger Sayle <roger@eyesopen.com>
5030 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5031 deprecated CHAR_TYPE tree code.
5033 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5035 * configure.ac (target_list): Add install-info, dvi, html.
5036 * configure: Regenerate.
5038 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5039 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5040 treelang/Make-lang.in: Do not use double-colon rules.
5042 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5044 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5045 (TMT_USED_ALONE): New macro.
5046 * tree-pass.h (PROP_tmt_usage): New property.
5047 (TODO_update_tmt_usage): New todo.
5048 * tree-ssa-alias.c (updating_used_alone): New variable.
5049 (recalculate_used_alone): New function.
5050 (compute_may_aliases): Set updating_used_alone, call
5051 recalculate_used_alone.
5052 * tree-sra.c (pass_sra): Note that this pass destroys
5053 PROP_tmt_usage, and add TODO_update_tmt_usage.
5054 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5055 * tree-flow.h (updating_used_alone): Prototype.
5056 (recalculate_used_alone): Ditto.
5057 * passes.c (execute_todo): Add code to set updating_used_alone,
5058 and call recalculate.
5059 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5060 for clobber if used alone, and add assert to verify used_alone
5063 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5065 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5066 for non tls symbols added.
5067 (legitimize_address): Do nothing for PLUS expressions if one of the
5068 addends is a tls symbol reference.
5070 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5074 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5076 * Makefile.in (BOOTSTRAPPING): New.
5077 (quickstrap): New definition if BOOTSTRAPPING=yes.
5079 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5080 * configure.ac: Substitute all_selected_languages with the languages
5081 that were configured. For all the other variables except
5082 lang_specs_files, include all the languages in the tree.
5083 * configure: Regenerate.
5085 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5086 if there is one. Run the commands to run fixincludes in the same
5089 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5090 * doc/install.texi: Document exact conventions for searching target tools.
5091 Document --with-build-time-tools. Document toplevel bootstrap. Document
5092 something more about building an Ada cross-compiler. Don't list GNU Make
5093 requirements which affect all platforms.
5095 2006-02-19 Roger Sayle <roger@eyesopen.com>
5098 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5099 only equivalent if the have both the same mode and precision.
5101 2006-02-20 Ben Elliston <bje@au.ibm.com>
5103 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5105 2006-02-19 Roger Sayle <roger@eyesopen.com>
5106 Steven Bosscher <stevenb.gcc@gmail.com>
5108 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5109 constant pool references to identify stack mode constants.
5110 * rtlanal.c (constant_pool_constant_p): New predicate to check
5111 whether operand is a floating point constant in the pool.
5112 * rtl.h (constant_pool_constant_p): Prototype here.
5113 * loop.c (scan_loop): Avoid hoisting constants from the constant
5114 pool on STACK_REGS targets.
5115 (load_mems): Likewise.
5116 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5117 loads into x87 registers expensive in terms of register pressure.
5119 2006-02-19 Roger Sayle <roger@eyesopen.com>
5121 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5122 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5124 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5126 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5127 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5129 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5131 * doc/invoke.texi: Document -fipa-pta.
5132 * common.opt: Add ipa-pta option.
5133 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5134 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5135 (do_ds_constraint): Ditto.
5136 (get_constraint_for): Only add to referenced_vars if
5137 referenced_vars exists.
5138 (insert_into_field_list): Rewrite to do this unsorted.
5139 (insert_into_field_list_sorted): Rename old insert_into_field_list
5141 (create_function_info_for): Use insert_into_field_list_sorted.
5142 (create_variable_info_for): Rewrite so it uses unsorted version,
5143 since the field list is sorted.
5144 (intra_create_variable_infos): Only add to referenced_vars if
5145 referenced_vars exists.
5146 (ipa_pta_execute): Init heapvars, and delete when done.
5147 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5149 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5151 * doc/install.texi: Add missing `@samp'.
5153 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5155 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5158 2006-02-18 Mark Wielaard <mark@klomp.org>
5160 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5161 who added new 4.1 features, bug fixes and integration support.
5163 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5166 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5169 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5171 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5172 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5173 (copy_insn_1): Likewise. Don't copy each field individually.
5175 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5177 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5178 * rtl.c (rtx_size): Rename variable to...
5179 (rtx_code_size): ...this.
5180 (rtx_size): New function.
5181 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5182 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5184 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5185 * rtl.h (rtx_code_size): New variable.
5186 (rtx_size): Change from a variable to a function.
5187 (RTX_SIZE): Rename to...
5188 (RTX_CODE_SIZE): ...this.
5191 PR tree-optimization/17106
5192 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5193 (Anchored Addresses): New section.
5194 * doc/invoke.texi (-fsection-anchors): Document.
5195 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5196 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5197 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5198 * hooks.c (hook_bool_mode_rtx_false): New function.
5199 * hooks.h (hook_bool_mode_rtx_false): Declare.
5200 * gengtype.c (create_optional_field): New function.
5201 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5202 SYMBOL_REF_IN_BLOCK_P is true.
5203 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5204 (min_anchor_offset, max_anchor_offset): Likewise.
5205 (use_anchors_for_symbol_p): New hook.
5206 * toplev.c (compile_file): Call output_object_blocks.
5207 (target_supports_section_anchors_p): New function.
5208 (process_options): Check that -fsection-anchors is only used on
5209 targets that support it and when -funit-at-a-time is in effect.
5210 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5211 if the decl doesn't have one.
5212 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5213 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5214 of force_const_mem through use_anchored_address.
5215 (expand_expr_constant): New function.
5216 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5217 calling expand_expr for INDIRECT_REF.
5218 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5219 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5220 * expr.h (use_anchored_address): Declare.
5221 * loop-unroll.c: Don't declare rtx vectors here.
5222 * explow.c: Include output.h.
5223 (validize_mem): Call use_anchored_address.
5224 (use_anchored_address): New function.
5225 * common.opt (-fsection-anchors): New switch.
5226 * varasm.c (object_block_htab, anchor_labelno): New variables.
5227 (hash_section, object_block_entry_eq, object_block_entry_hash)
5228 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5229 (use_blocks_for_decl_p, change_symbol_section): New functions.
5230 (get_variable_section): New function, split out from assemble_variable.
5231 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5232 use_blocks_for_decl_p say so. Use change_symbol_section if the
5233 symbol has already been created.
5234 (assemble_variable_contents): New function, split out from...
5235 (assemble_variable): ...here. Don't output any code for
5236 block symbols; just pass them to place_block_symbol.
5237 Use get_variable_section and assemble_variable_contents.
5238 (get_constant_alignment, get_constant_section, get_constant_size): New
5239 functions, split from output_constant_def_contents.
5240 (build_constant_desc): Create a block symbol if use_object_blocks_p
5241 says so. Or into SYMBOL_REF_FLAGS.
5242 (assemble_constant_contents): New function, split from...
5243 (output_constant_def_contents): ...here. Don't output any code
5244 for block symbols; just pass them to place_section_symbol.
5245 Use get_constant_section and get_constant_alignment.
5246 (force_const_mem): Create a block symbol if use_object_blocks_p and
5247 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5248 (output_constant_pool_1): Add an explicit alignment argument.
5249 Don't switch sections here.
5250 (output_constant_pool): Adjust call to output_constant_pool_1.
5251 Switch sections here instead. Don't output anything for block symbols;
5252 just pass them to place_block_symbol.
5253 (init_varasm_once): Initialize object_block_htab.
5254 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5255 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5256 (place_block_symbol, get_section_anchor, output_object_block)
5257 (output_object_block_htab, output_object_blocks): New functions.
5258 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5259 (TARGET_ASM_OUT): Include it.
5260 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5261 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5262 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5263 (TARGET_INITIALIZER): Include them.
5264 * rtl.c (rtl_check_failed_block_symbol): New function.
5265 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5266 (block_symbol, object_block): New structures.
5267 (rtx_def): Add a block_symbol field to the union.
5268 (BLOCK_SYMBOL_CHECK): New macro.
5269 (rtl_check_failed_block_symbol): Declare.
5270 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5271 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5272 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5273 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5274 * output.h (output_section_symbols): Declare.
5275 (object_block): Name structure.
5276 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5277 (default_use_anchors_for_symbol_p): Declare.
5278 * Makefile.in (RTL_BASE_H): Add vec.h.
5279 (explow.o): Depend on output.h.
5280 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5281 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5282 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5283 (rs6000_use_blocks_for_constant_p): New function.
5285 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5287 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5289 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5292 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5295 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5297 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5301 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5304 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5305 instead of DECL_REGISTER.
5307 2006-02-18 Olivier Hainque <hainque@adacore.com>
5310 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5312 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5315 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5316 * opth-gen.awk: Handle Var and InverseMask together.
5317 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5318 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5319 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5320 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5322 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5323 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5324 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5325 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5326 LINUX_DYNAMIC_LINKER): Define.
5327 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5328 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5330 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5331 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5332 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5333 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5334 (TARGET_C99_FUNCTIONS): Don't define.
5335 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5336 GLIBC_DYNAMIC_LINKER.
5337 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5338 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5339 GLIBC_DYNAMIC_LINKER64): Define.
5340 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5341 LINUX_DYNAMIC_LINKER64.
5342 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5343 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5344 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5345 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5346 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5347 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5348 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5349 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5350 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5351 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5352 and LINUX_DYNAMIC_LINKER32.
5353 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5354 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5355 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5356 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5357 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5359 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5360 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5361 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5362 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5363 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5364 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5365 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5366 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5367 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5368 LINUX_DYNAMIC_LINKER): Define.
5369 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5370 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5371 GLIBC_DYNAMIC_LINKER64): Define.
5372 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5373 LINUX_DYNAMIC_LINKER64.
5374 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5375 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5376 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5377 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5378 LINUX_DYNAMIC_LINKER): Define.
5379 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5380 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5381 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5382 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5383 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5384 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5385 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5386 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5387 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5388 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5389 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5390 * doc/invoke.texi (-muclibc): Remove caveat about supported
5393 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5395 * doc/cpp.texi (__TIMESTAMP__): Document.
5397 2006-02-17 Roger Sayle <roger@eyesopen.com>
5400 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5401 C is one less than the width of X (and related transformations).
5402 * simplify-rtx.c (simplify_unary_operation_1): Transform
5403 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5404 depending on STORE_FLAG_VALUE, were C is one less then the
5407 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5409 Fix PR tree-optimization/26341
5410 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5411 about NAME_MEMORY_TAG's.
5413 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5416 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5417 with hardware float support, and software float support. Add fcpy
5418 alternative to hardware patterns. Add alternatives to copy between
5419 general and floating-point registers to the 32-bit pattern.
5420 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5421 secondary reload to load a QI or HI mode constant into a floating
5423 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5424 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5426 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5429 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5431 (load_macho_picbase_di): Likewise.
5433 2006-02-16 Jeff Law <law@redhat.com>
5435 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5436 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5437 (ssa_name_nonzero_p): Likewise.
5438 (get_value_range): Return NULL if VRP is not running.
5439 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5440 VRP routines do not discover a range.
5441 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5442 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5443 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5444 (tree_expr_nonnegative_p): Similarly.
5445 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5446 (restore_nonzero_vars_to_original_value): Remove.
5447 (unsafe_associative_fp_binop): Remove.
5448 (tree_ssa_dominator_optimize): Remove initialization and
5449 finalization of nonzero_vars and nonzero_vars_stack.
5450 (dom_opt_initialize_block): No longer push marker on
5452 (dom_opt_finalize_block): No longer call
5453 restore_nonzero_vars_to_original_value.
5454 (record_equivalences_from_phis): No longer look for
5455 nonzero PHI arguments.
5456 (cprop_into_successor_phis): No longer propagate nonzero
5457 property into PHI arguments. Lose unused argument. Caller
5459 (record_equivalences_from_stmt): No longer record nonzero
5460 values for SSA_NAMEs.
5461 (lookup_avail_expr): No longer use nonzero_vars.
5463 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5464 for sizetype when sizetype is unsigned.
5466 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5468 PR rtl-optimization/25603
5469 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5470 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5471 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5472 with new meaning of SETS.
5474 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5479 * config/linux.opt: New file.
5480 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5481 LINUX_DYNAMIC_LINKER): Define.
5482 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5483 * config.gcc (*-*-linux*): Define extra_options.
5484 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5485 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5486 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5487 GLIBC_DYNAMIC_LINKER.
5488 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5489 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5490 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5491 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5492 * doc/invoke.texi (GNU/Linux Options): New section.
5494 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5496 * config/sparc/sparc.md (setjmp): Rewrite.
5497 (setjmp_32): Delete.
5498 (setjmp_64): Likewise.
5500 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5502 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5505 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5507 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5510 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5512 PR rtl-optimization/26296
5513 * Makefile.in (loop-invariant.c): Add except.h dependency.
5514 * loop-invariant.c: Include except.h.
5515 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5517 2005-02-16 Paul Brook <paul@codesourcery.com>
5519 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5522 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5524 PR rtl-optimization/25636
5525 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5526 when deciding whether an insn is an initializing insn.
5528 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5530 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5531 (tree_code_size): Ditto.
5532 * tree.h (struct tree_memory_tag): Remove parent_var.
5533 (struct tree_struct_field_tag): New.
5536 (union tree_node): Add sft member.
5537 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5539 (create_sft): Add size and offset argument, set SFT_OFFSET and
5541 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5542 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5543 * tree-flow-inline.h (get_subvar_at): Update for
5544 SFT_OFFSET/SFT_SIZE.
5545 (var_can_have_subvars): Ditto.
5546 (overlap_subvar): Ditto.
5547 * print-tree.c (print_node): Print out interesting things for
5549 * tree-flow.h (struct subvar): Remove offset and size members.
5550 * tree-ssa-operands.c (get_expr_operands): Update for
5551 get_indirect_ref_operands changes.
5552 (get_indirect_ref_operands): Call add_virtual_operand instead of
5553 add_stmt_operand. Only recurse on base var if requested.
5554 (access_can_touch_variable): New function.
5555 (add_stmt_operand): Split virtual operand handling into ...
5556 (add_virtual_operand): Here. Add offset, size, and for_clobber
5557 arguments. Prune alias sets.
5558 (add_call_clobber_ops): Call add_virtual_operand.
5560 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5563 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5565 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5566 than TREE_CODE as index into omp_clause_num_ops array.
5568 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5570 PR rtl-optimization/26184
5571 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5573 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5574 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5575 must_precede, must_follow and tobe_scheduled.
5578 * opts.c (common_handle_option): Free new_option pointer.
5579 * df-core.c (df_analyze): Free postorder pointer.
5581 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5583 * Makefile.in: Fix the examples about the use of stamps
5585 2006-02-15 Michael Matz <matz@suse.de>
5589 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5590 influenced by maximum_field_alignment or DECL_PACKED.
5591 (update_alignment_for_field): Ditto.
5592 (place_field): Ditto.
5593 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5596 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5598 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5599 (debug_flow_info): Pass it.
5600 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5601 * bb-reorder.c (reorder_basic_blocks): Likewise.
5602 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5603 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5604 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5605 * gcse.c (gcse_main, bypass_jumps): Likewise.
5606 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5607 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5608 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5609 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5610 * rtl.h (dump_flow_info): Adjust prototype.
5611 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5612 * var-tracking.c (variable_tracking_main): Likewise.
5613 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5614 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5617 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5619 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5622 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5624 PR tree-optimization/26209
5625 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5626 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5628 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5630 2006-02-14 Roger Sayle <roger@eyesopen.com>
5633 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5634 (X,Y) and the corresponding symmetry related transformations.
5635 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5636 (X,Y) and its symmetry related transformations.
5638 2006-02-14 Roger Sayle <roger@eyesopen.com>
5640 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5643 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5645 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5647 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5650 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5651 support COMDAT group.
5652 * configure: Regenerate.
5654 2006-02-14 Roger Sayle <roger@eyesopen.com>
5659 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5661 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5663 Fix PR tree-optimization/26260
5665 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5667 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5668 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5669 * tree-ssa-structalias.c (create_variable_info_for): Use
5670 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5672 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5674 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5676 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5677 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5678 of the ending condition.
5679 * tree-ssa-loop-manip.c: Include params.h.
5680 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5681 tree_unroll_loop): New functions.
5682 * tree-pass.h (pass_loop_prefetch): Declare.
5683 * loop.c (rest_of_handle_loop_optimize): Test for
5684 -fprefetch-loop-arrays-rtl.
5685 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5686 * timevar.def (TV_TREE_PREFETCH): New timevar.
5687 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5688 pass_loop_prefetch): New.
5689 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5690 (cleanup_tree_cfg_loop): Call scev_reset.
5691 * common.opt (fprefetch-loop-arrays-rtl): Add.
5692 * tree-ssa-loop-prefetch.c: New file.
5693 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5694 (new_temp_expr_table): Initialize expr_vars.
5695 (free_temp_expr_table): Cleanup expr_vars.
5696 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5697 expressions from being merged into one.
5698 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5699 (struct tree_niter_desc): Add control, bound and cmp fields.
5700 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5702 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5703 (tree-cfgcleanup.o): Add SCEV_H dependency.
5704 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5705 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5707 2006-02-14 Richard Guenther <rguenther@suse.de>
5709 PR tree-optimization/26258
5710 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5711 in PHI argument processing.
5713 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5715 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5716 new expression in the requested machine mode.
5718 2006-02-13 Roger Sayle <roger@eyesopen.com>
5720 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5721 directly, instead let do_compare_rtx_and_jump handle this for us.
5722 * expr.c (expand_expr_real_1): Likewise.
5723 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5724 before do_jump_by_parts_greater.
5725 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5726 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5728 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5730 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5732 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5734 PR rtl-optimization/26235
5735 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5736 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5739 2006-02-13 Jeff Law <law@redhat.com>
5741 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5744 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5747 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5748 twice if decl is a builtin. When trying again, call get_callee_fndecl
5749 first to verify it is still a builtin.
5751 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5753 * dwarf2out.c (base_type_die): Don't add AT_name here.
5754 (subrange_type_die): Don't add AT_name here.
5755 (modified_type_die): Rearrange code flow. Do add AT_name here.
5757 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5759 PR rtl-optimization/26247
5760 PR rtl-optimization/26248
5761 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5763 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5765 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5766 * config/fixtfdi.c: Likewise.
5767 * config/fixunstfdi.c: Likewise.
5768 * config/floatditf.c: Likewise.
5770 2006-02-13 Roger Sayle <roger@eyesopen.com>
5773 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5774 into (X,C2) if C1 is a subset of the bits of C2. Transform
5775 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5777 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5779 2006-02-13 Josh Conner <jconner@apple.com>
5782 * varasm.c (function_section): Check for section name before
5783 calling select_section on targets that define
5784 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5785 unlikely_text_section instead of hot_function_section if
5786 first_function_block_is_cold.
5788 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5791 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5793 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5795 PR rtl-optimization/26222
5796 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5797 after tree->rtl expansion.
5798 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5799 before passing it to emit_move_insn.
5801 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5803 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5805 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5806 Clarify documentation.
5807 * c-common.h (warn_write_strings): Remove.
5808 * c-common.c (warn_write_strings): Likewise.
5809 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5812 2006-02-12 Roger Sayle <roger@eyesopen.com>
5815 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5816 (do_jump_parts_zero_rtx): New function renamed from
5817 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5818 (do_jump_parts_equality_rtx): New function split out from
5819 do_jump_parts_equality. Old implementation renamed as above.
5820 Call do_jump_parts_zero_rtx if either operand is zero.
5821 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5822 do all of the heavy lifting.
5823 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5824 calling either do_jump_by_parts_greater_rtx or
5825 do_jump_by_parts_equality_rtx.
5826 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5827 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5828 moved to do_compare_rtx_and_jump, call it directly.
5829 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5830 mode argument. Call do_compare_rtx_and_jump.
5831 (emit_case_nodes): Update calls to do_jump_if_equal.
5833 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5835 PR rtl-optimization/26225
5836 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5838 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5840 PR rtl-optimization/26232
5841 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5843 2006-02-11 Jason Merrill <jason@redhat.com>
5846 * tree-inline.c (declare_return_variable): Just don't use the
5847 modify target if it's a gimple complex reg and the return slot
5850 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5852 * doc/contrib.texi: Update my entry.
5854 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5856 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5858 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5860 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5863 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5865 * doc/invoke.texi (-floop-optimize2): Removed.
5866 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5867 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5868 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5869 * common.opt (floop-optimize2): Removed.
5870 (fmove-loop-invariants): Enabled by default.
5872 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5874 * tree-if-conv.c (combine_blocks): Free the result of
5875 get_loop_exit_edges.
5877 2006-02-10 Jeff Law <law@redhat.com>
5879 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5881 PR tree-optimization/26213
5882 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5883 loop trying to follow SSA_NAME_VALUE chains.
5885 2006-02-10 Richard Guenther <rguenther@suse.de>
5887 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5888 deal with structures that end in implicitly variable sized arrays.
5890 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5892 PR rtl-optimization/24762
5893 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5896 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5898 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5899 (struct ivopts_data): Add regs_used field.
5900 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5901 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5902 instead of loop_data->regs_used;
5903 (free_loop_data): Do not free aux fields for loops.
5904 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5905 and tree_ssa_iv_optimize_finalize.
5907 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5909 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5911 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5914 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5915 computing the effective result type.
5917 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5920 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5921 (tree_overlaps_hard_reg_set): Declare.
5922 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5923 type and signature to match function type expected by walk_tree.
5924 (tree_overlaps_hard_reg_set): New function.
5925 (decl_conflicts_with_clobbers_p): Rename to:
5926 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5927 Use tree_overlaps_hard_reg_set. Changed caller.
5928 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5929 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5930 * cris.c (cris_md_asm_clobbers): Likewise.
5932 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5934 * reload1.c (emit_input_reload_insns): Delete code that tries to
5935 inherit using find_equiv_reg.
5937 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5939 * c-common.h (flag_const_strings): Don't declare.
5940 * c-common.c (flag_const_strings): Remove.
5941 * c.opt (fconst_strings): Remove.
5942 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5943 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5944 (c_common_init_options): Don't set flag_const_strings.
5945 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5947 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5949 * arm.md (tlobits_cbranch): New pattern.
5950 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5951 testing a single bit.
5953 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5956 * tree-ssa-pre.c (create_component_ref_by_pieces):
5957 Handle RETURN_DECL like VAR_DECL.
5959 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5962 * fold-const.c (fold_indirect_ref_1): Fold
5963 "*(foo *)&complexfoo" to "__real__ complexfoo"
5964 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5966 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5968 * tree-flow-inline.h (var_can_have_subvars):
5969 Volatile variables should not have subvariables.
5971 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5974 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5975 multiplying unsigned values.
5978 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5980 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5982 2006-02-08 Jason Merrill <jason@redhat.com>
5985 * tree.def: Elaborate on difference from MODIFY_EXPR.
5986 * doc/c-tree.texi (INIT_EXPR): Likewise.
5987 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5988 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5989 (gimplify_target_expr): Likewise.
5990 (gimplify_cond_expr): Remove target handling.
5991 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5992 (gimplify_expr): Clobber it here.
5993 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5994 Do return slot optimization if we have an INIT_EXPR.
5997 * tree-inline.c (declare_return_variable): Also clear
5998 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6001 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6004 * gimplify.c (gimplify_one_sizepos): Fix typo.
6006 2006-02-08 Jeff Law <law@redhat.com>
6008 PR tree-optimization/21417
6009 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6010 across a backedge if the control statement at the end of the
6011 block is data dependent on other statements in the same block.
6012 (record_temporary_equivalences_from_stmts): Remove over-conservative
6013 test for threading across backedges.
6015 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6016 control statement, handle all three special cases in the same
6017 manner as they all have the same desired solution. No longer
6018 special case edge flag updating when the post dominator is
6021 2006-02-08 Roger Sayle <roger@eyesopen.com>
6023 * tree.def (CHAR_TYPE): Remove.
6024 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6025 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6026 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6027 (gen_string_type_die): Delete unreachable function.
6029 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6030 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6031 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6032 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6033 * builtins.c (type_to_class): Likewise.
6034 * fold-const.c (fold_convert, build_range_check,
6035 merge_ranges): Likewise.
6036 * expr.c (count_type_elements): Likewise.
6037 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6038 * stor-layout.c (layout_type): Likewise.
6039 * ipa-type-escape.c (type_to_consider): Likewise.
6040 * gimplify.c (omp_firstprivatize_type_sizes,
6041 gimplify_type_sizes): Likewise.
6042 * explow.c (promote_mode): Likewise.
6043 * tree-sra.c (is_sra_scalar_type): Likewise.
6044 * varasm.c (output_constant): Likewise.
6045 * tree-inline.c (remap_type_1): Likewise.
6046 * convert.c (convert_to_pointer, convert_to_real,
6047 convert_to_integer, convert_to_complex): Likewise.
6049 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6051 * df-scan.c (df_def_record_1): A set destination may
6052 be a parallel regardless of mode.
6054 2006-02-08 Roger Sayle <roger@eyesopen.com>
6057 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6058 * config/mips/_tilib.c: Remove.
6059 * config/fixtfdi.c: New libgcc source file.
6060 * config/fixunstfdi.c: New source file.
6061 * config/floatditf.c: New source file.
6062 * config/floatunditf.c: New souce file.
6063 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6064 files above instead of config/mips/_tilib.c.
6065 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6067 2006-02-08 Jeff Law <law@redhat.com>
6069 PR tree-optimization/26169
6070 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6073 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6075 * df.h (DF_REG_SIZE): Return the length of the initialized
6078 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6080 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6081 __muldf3): Return a correctly signed zero.
6083 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6085 * passes.c (register_one_dump_file): Accept the current properties
6086 instead of pass number. Adjust call to dump_register. Remove
6088 (register_dump_files): Now a wrapper around...
6089 (register_dump_files_1): ... this one. Do not modify the pass
6091 (next_pass_1): Cosmetic fix.
6092 (execute_todo): Keep second parameter only. Use curr_properties
6093 instead of fetching it from the pass structure. Check and set
6095 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6096 instead of fetching it from the pass structure. Fix calls to
6097 execute_todo. Update curr_properties and initialize .vcg RTL dump
6098 after running the pass. Reset last_verified.
6099 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6101 (FIRST_AUTO_NUMBERED_DUMP): New.
6102 (dump_register): Remove "num" parameter, assign it within the
6104 (get_dump_file_name): Modify template for dumps.
6105 * tree-dump.h (dump_register): Adjust prototype.
6106 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6107 (PROP_trees): Add PROP_gimple_lomp.
6108 (TODO_set_props): New.
6109 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6110 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6111 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6113 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6115 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6116 (sparc64-*-linux*): Likewise.
6117 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6118 * config/sparc/t-linux: New file.
6119 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6120 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6121 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6122 -m32 -mlong-double-128.
6124 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6125 * config/alpha/t-linux: New file.
6126 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6128 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6129 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6130 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6131 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6132 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6133 (CPP_ARCH32_SPEC): Remove.
6135 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6137 PR tree-optimization/26145
6138 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6141 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6144 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6145 >= 240000 when generating code for SOM runtime.
6146 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6147 to $$dyncall when generating code for SOM runtime..
6149 2006-02-07 Dirk Mueller <dmueller@suse.com>
6152 * doc/invoke.texi (-Wsequence-point): Update documentation
6153 that -Wsequence-point is implemented for C++ as well.
6155 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6157 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6158 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6159 (LIB_SPEC): Likewise.
6160 * doc/invoke.texi (SPARC options): Document -pthread.
6162 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6164 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6167 2006-02-07 Roger Sayle <roger@eyesopen.com>
6169 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6170 Correct comment describing BOOLEAN_TYPE.
6172 2006-02-07 Dirk Mueller <dmueller@suse.com>
6174 * c.opt: C++ frontend supports -Wdiv-by-zero.
6175 * c-opts.c (c_common_handle_option): Remove dead case.
6177 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6179 * configure.ac (TLS assembler check): Do not enable TLS by
6180 default on SPARC/Solaris before version 10.
6181 * configure: Regenerate.
6183 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6185 * doc/invoke.texi (xl-compat): Document conversion and support
6188 2006-02-07 Jeff Law <law@redhat.com>
6190 * tree-vrp.c (find_conditional_asserts): Update comments.
6191 (simplify_stmt_for_jump_threading): New.
6192 (identify_jump_threads, finalize_jump_threads): New.
6193 (vrp_finalize): Call identify_jump_threads.
6194 (execute_vrp): Call finalize_jump_threads.
6195 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6196 (vrp_element, vrp_data, vrp_element_p): Remove.
6197 (vrp_hash_elt, vrp_variables_stack): Remove.
6198 (vrp_hash, vrp_eq, record_range): Remove.
6199 (simplify_cond_and_lookup_avail_expr): Remove.
6200 (extract_range_from_cond): Remove.
6201 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6202 (simplify_stmt_for_jump_threading): New.
6203 (dom_thread_across_edge): New wrapper.
6204 (tree_ssa_dominator_optimize): No longer initialize or
6205 finalize any of the VRP datastructures. Remove iteration
6206 step and simplify as a result of removal of iteration step.
6207 (pass_dominator): Perform a cfg cleanup after DOM.
6208 (dom_opt_finalize_block): Use the new common routines
6209 for threading jumps. Simplify stack management slightly.
6210 No longer need to unwind VRP state.
6211 (record_equivalences_from_incoming_edge): No longer record
6213 (eliminate_redundant_computations): No longer call
6214 simplify_cond_and_lookup_avail_expr.
6215 * tree-flow.h (potentially_threadable_block): Prototype.
6216 (thread_across_edge): Likewise.
6217 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6218 (tree-ssa-threadedge.o): Add dependencies.
6219 * tree-ssa-threadedge.c: New file.
6220 * passes.c (init_optimization_passes): Merge PHIs before
6221 calling VRP. Run VRP again late in the SSA optimization pipeline.
6223 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6225 * df-core.c (df_set_blocks): Do not dereference function pointers.
6226 (df_finish1): Likewise.
6227 (df_hybrid_search_forward): Likewise.
6228 (df_hybrid_search_backward): Likewise.
6229 (df_iterative_dataflow): Likewise.
6230 (df_analyze_problem): Likewise.
6231 (df_compact_blocks): Likewise.
6232 (df_dump): Likewise.
6233 * df-scan.c (df_rescan_blocks): Likewise.
6234 (df_record_entry_block_defs): Likewise.
6236 * genconditions.c (write_conditions): Guard the definition of
6237 'insn_conditions' with the check on GCC version.
6238 (write_writer): Guard the traversal 'insn_conditions' with
6239 the check on GCC version.
6241 2006-02-07 Richard Guenther <rguenther@suse.de>
6245 2006-01-30 Richard Guenther <rguenther@suse.de>
6247 * gimplify.c (gimplify_target_expr): Handle easy cases
6248 without creating a temporary.
6250 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6252 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6253 use of float in probability computations. Use edge probabilities
6254 in place of statically computed probabilities.
6255 (min_spec_prob): New static variable.
6256 (schedule_insns): Initialize it.
6257 (GET_SRC_PROB): Removed.
6258 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6260 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6263 * config/ia64/unwind-ia64.c: Revert last change.
6264 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6265 (INCOMING_FRAME_SP_OFFSET): Define.
6267 2006-02-06 Roger Sayle <roger@eyesopen.com>
6269 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6271 2006-02-07 Ben Elliston <bje@au.ibm.com>
6273 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6274 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6275 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6276 (ix86_return_in_memory): Handle TDmode.
6277 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6278 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6280 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6282 * reorg.c (dbr_schedule): Use dump_file instead of file.
6284 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6287 * config/ia64/predicates.md (extr_len_operand): New predicate.
6288 * config/ia64/ia64.md (extv): Tighten constraints.
6290 (*tbit_and_2): Ditto.
6291 (*tbit_and_3): Ditto.
6292 (*tbit_or_2): Ditto.
6293 (*tbit_or_3): Ditto.
6297 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6300 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6302 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6304 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6305 loop_optimizer_init and loop_optimizer_finalize
6306 * tree-ssa-sink.c (execute_sink_code): Ditto.
6307 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6308 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6309 tree_ssa_loop_done): Ditto.
6310 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6311 * sched-ebb.c: Include output.h.
6312 (schedule_ebbs): Do not use dump argument.
6313 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6314 * loop.c (loop_dump_stream): Removed.
6315 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6317 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6318 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6319 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6320 loop_iterations, strength_reduce, record_biv, record_giv,
6321 final_giv_value, check_final_value, check_ext_dependent_givs,
6322 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6323 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6324 dump_file instead of loop_dump_stream.
6325 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6327 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6329 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6330 * haifa-sched.c: Include output.h
6331 (schedule_insns, sched_init): Do not use dump argument.
6332 * mode-switching.c (optimize_mode_switching): Ditto.
6333 * modulo-sched.c (stats_file): Removed.
6334 (print_node_sched_params): Do not call argument dump_file.
6335 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6336 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6338 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6340 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6341 rtl_loop_init, rtl_loop_done): Ditto.
6342 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6343 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6345 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6346 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6347 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6348 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6349 * emit-rtl.c (renumber_insns): Ditto.
6350 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6351 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6352 * regclass.c (regclass): Ditto.
6353 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6354 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6355 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6356 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6358 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6359 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6361 * gcse.c (gcse_file, debug_stderr): Removed.
6362 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6363 rest_of_handle_gcse): Do not use dump argument.
6364 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6365 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6366 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6367 compute_code_hoist_vbeinout, compute_code_hoist_data,
6368 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6369 compute_store_table, build_store_vectors, insert_insn_start_bb,
6370 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6371 store_motion): Use dump_file instead of gcse_file.
6372 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6373 * profile.c (profile_dump_file): Removed.
6374 (branch_prob): Use dump_file instead of profile_dump_file.
6375 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6377 * tree-ssa-copy.c (dump_copy_of): Ditto.
6378 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6379 dump file to life_analysis.
6380 * bt-load.c (branch_target_load_optimize): Ditto.
6381 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6383 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6384 regclass, dbr_schedule): Declaration changed.
6385 * sched-int.h (sched_init): Declaration changed.
6386 * tree-profile.c (tree_profile_dump_file): Removed.
6387 (tree_profile_hooks): Removed profile_dump_file hook.
6388 * rtl-profile (rtl_profile_dump_file): Removed.
6389 (rtl_profile_hooks): emoved profile_dump_file hook.
6390 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6392 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6393 * tree-cfg.c (build_tree_cfg): Ditto.
6394 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6395 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6396 Declaration changed.
6397 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6398 life_analysis and schedule_insns.
6399 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6401 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6403 * config/mips/mips.c (mips_reorg): Ditto.
6404 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6407 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6409 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6410 (s390_mangle_fundamental_type): New.
6411 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6414 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6415 (alpha_mangle_fundamental_type): New.
6416 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6419 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6421 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6423 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6424 (sparc_mangle_fundamental_type): New.
6426 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6428 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6429 (s390x-*-linux*): Likewise.
6430 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6431 * config/s390/t-linux: New file.
6433 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6435 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6436 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6438 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6440 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6441 (ANTIC_SAFE_LOADS): New macro.
6442 (find_or_generate_expression): Add prototype.
6443 (set_contains_value): Allow null set for sake of not always having
6444 to allocate ANTIC_SAFE_LOADS.
6445 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6446 Allow COMPONENT_REF too.
6447 (valid_in_set): Allow COMPONENT_REF.
6448 Check ANTIC_SAFE_LOADS too.
6449 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6450 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6452 (can_PRE_operation): Add COMPONENT_REF.
6453 (create_component_ref_by_pieces): New function.
6454 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6455 (insert_aux): Move AGGREGATE_TYPE_P check here.
6456 (compute_avail): Set bb local stmt uids.
6457 (pass_pre): Use TODO_update_ssa_only_virtuals.
6459 2006-02-06 Ben Elliston <bje@au.ibm.com>
6461 * configure.ac: Unconditionally disable decimal float by default.
6462 * configure: Regenerate.
6464 2006-02-06 Ben Elliston <bje@au.ibm.com>
6466 * read-rtl.c (read_name): Terminate reading on EOF.
6468 2006-02-06 Ben Elliston <bje@au.ibm.com>
6470 * dfp.c (decimal_real_arithmetic): Change second argument type
6471 from int to enum tree_code. Do not always return true, but now
6472 return result of any call to decimal_do helper functions.
6473 * dfp.h (decimal_real_arithmetic): Update prototype.
6475 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6477 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6479 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6482 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6485 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6487 * tree-vrp.c (cfg_loops): Removed.
6488 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6489 Use current_loops instead of cfg_loops. Pass flags to
6490 loop_optimizer_init.
6491 * cfgloopmanip.c (fix_loop_structure): Update only available
6493 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6494 loop_optimizer_init.
6495 * modulo-sched.c (build_loops_structure): Removed.
6496 (sms_schedule): Use loop_optimizer_init.
6497 * loop-init.c (loop_optimizer_init): Use flags to determine
6498 which properties of loops to prepare.
6499 (rtl_loop_init): Pass flags to loop_optimizer_init.
6500 * tree-ssa-sink.c (execute_sink_code): Ditto.
6501 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6502 * tree-ssa-pre.c (init_pre): Ditto.
6503 * cfgloop.h (LOOPS_NORMAL): New.
6504 (loop_optimizer_init): Declaration changed.
6506 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6508 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6509 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6511 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6513 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6515 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6516 * pa/t-pa64: Delete quadlib.c rule.
6517 * pa/x-ada: Revert last change.
6518 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6520 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6522 PR rtl-optimization/26087
6523 * rtlanal.c (canonicalize_condition): Do not cross basic block
6526 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6529 * config/ia64/ia64.c: Include debug.h.
6530 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6531 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6532 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6533 (process_epilogue, process_set, process_for_unwind_directive):
6534 Output unwind info only if requested. Add CFA info if requested.
6535 Add new arguments as needed. Adjust callers.
6536 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6538 (DWARF2_FRAME_INFO): Define to zero.
6539 * config/ia64/unwind-ia64.c: Remove code that compensated for
6540 the CFA offset error fixed above.
6541 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6542 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6543 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6544 -funwind-tables and -fexceptions to enable frame info.
6545 (dwarf2out_frame_init): Define initial CFA even if
6546 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6547 DWARF2_UNWIND_INFO is nonzero, not just defined.
6548 (dwarf2out_frame_finish): Output non-EH call frame info only
6549 if DWARF2_FRAME_INFO is nonzero.
6550 (convert_cfa_to_loc_list,
6551 compute_frame_pointer_to_cfa_displacement): Define even if
6552 unwind info is not supported.
6553 (gen_subprogram_die): Use the above unconditionally. Remove
6554 legacy alternate code.
6555 * toplev.c (compile_file): Compile in call to
6556 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6557 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6559 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6560 Jakub Jelinek <jakub@redhat.com>
6562 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6563 IBM extended float format long double as "g" on powerpc*-linux.
6565 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6568 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6569 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6571 2006-02-03 Jason Merrill <jason@redhat.com>
6574 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6577 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6578 on the return slot if it's an NRV.
6580 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6582 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6583 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6584 rewrite_use): Do not handle USE_OUTER.
6585 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6586 add_iv_outer_candidates, may_replace_final_value,
6587 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6588 (find_interesting_uses_op): Functionality of
6589 find_interesting_uses_outer_or_nonlin moved here.
6590 (find_interesting_uses_outside): Use find_interesting_uses_op.
6592 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6595 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6597 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6598 Ulrich Weigand <uweigand@de.ibm.com>
6601 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6602 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6603 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6604 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6606 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6607 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6608 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6609 Define secondary reloads for TFmode moves.
6610 (constant_modes): Add TFmode.
6611 (NR_C_MODES): Set to 8.
6612 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6614 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6615 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6616 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6617 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6618 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6619 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6620 (FPR mode macro): Add TFmode.
6621 (DSF mode macro): New.
6622 (<de>, <dee> mode attributes): Removed.
6623 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6624 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6625 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6626 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6627 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6628 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6629 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6630 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6631 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6632 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6633 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6634 "*negabs<mode>2", "sqrt<mode>2"):
6635 Changed <de> to <xde>. R constraint replaced by <Rf>.
6636 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6638 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6639 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6640 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6642 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6643 "extenddftf2", "extendsftf2"): New expanders.
6644 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6645 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6646 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6647 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6649 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6650 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6651 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6652 __floatditf): Add a GCC_4.1.0 symbol version tag.
6653 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6656 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6659 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6660 Use targetm.binds_local_p instead of TREE_PUBLIC.
6662 2006-02-02 Roger Sayle <roger@eyesopen.com>
6664 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6665 on INTEGER_TYPEs to indicate that it denotes a character type.
6666 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6667 signed_char_type_node, unsigned_char_type_node and char_type_node.
6668 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6669 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6670 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6672 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6673 Daniel Berlin <dberlin@dberlin.org>
6675 * tree-tailcall.c (arg_needs_copy_p): New function.
6676 (eliminate_tail_call): Use arg_needs_copy_p.
6677 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6678 (add_virtual_phis): New function.
6680 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6682 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6683 #ignore instead of #scratch for %g7 .register directive.
6685 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6687 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6690 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6692 * flow.c (calculate_global_regs_live): Assert that there aren't any
6695 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6697 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6699 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6700 bsi_after_labels iterator.
6701 * tree-if-conv.c (find_phi_replacement_condition,
6702 replace_phi_with_cond_modify_expr): Likewise.
6703 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6704 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6706 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6708 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6710 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6713 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6714 array after growing it.
6716 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6719 * fold-const.c (fold_checksum_tree): Change type of buf.
6721 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6723 * reload.c (push_secondary_reload): Initialize t_icode.
6725 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6727 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6728 -msoft-float -mlong-double-128 only issue a warning, but don't
6729 swich to DFmode long double.
6731 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6733 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6734 has a constant equivalent, iterate over equivalents for arg0,
6735 calling simplify_relational_operation and if there's a result
6736 cheaper than X, apply fold_rtx and return the result.
6738 2006-02-01 Jan Hubicka <jh@suse.cz>
6740 * opts.c (no_unit_at_a_time_default): New global variable.
6741 (decode_options): Use it.
6742 * opts.h (no_unit_at_a_time_default): Declare.
6744 2006-02-01 Paul Brook <paul@codesourcery.com>
6746 * function.c (assign_parm_setup_reg): Use function argument promotion
6748 * expr.c (expand_expr_real_1): Use function argument promotion rules
6751 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6753 * gcc.c (process_command): Change j to 'unsigned int'.
6755 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6758 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6759 Use the corrected index for the character
6760 out of the string constant.
6762 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6764 * mode-switching.c (optimize_mode_switching): Fix size
6765 allocated for bb_info[n_entities].
6767 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6769 * gcc.c (main): Correct type that is allocated for
6770 explicit_link_files.
6772 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6774 * config/s390/s390.c (init_alignment_context): Set
6775 ALIAS_SET_MEMORY_BARRIER on the MEM.
6776 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6778 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6781 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6783 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6786 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6788 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6789 * regrename.c: Ditto.
6790 * tree-ssa-loop-im.c: Ditto.
6791 * tree-dump.c: Ditto.
6792 * tree-complex.c: Ditto.
6793 * genrecog.c: Ditto.
6794 * tree-ssa-threadupdate.c: Ditto.
6796 * java/class.c: Ditto.
6797 * java/jcf-parse.c: Ditto.
6798 * java/resource.c: Ditto.
6799 * java/except.c: Ditto.
6800 * java/jvspec.c: Ditto.
6801 * java/jcf-write.c: Ditto.
6802 * java/jcf-path.c: Ditto.
6803 * java/gjavah.c: Ditto.
6804 * java/zextract.c: Ditto.
6805 * java/jcf-io.c: Ditto.
6806 * java/jcf.h: Ditto.
6807 * java/buffer.c: Ditto.
6808 * java/lang.c: Ditto.
6809 * java/parse-scan.y: Ditto.
6810 * java/lex.c: Ditto.
6811 * java/lex.h: Ditto.
6812 * cfgloopmanip.c: Ditto.
6813 * postreload-gcse.c: Ditto.
6814 * tree-ssa-loop-manip.c: Ditto.
6815 * postreload.c: Ditto.
6816 * tree-ssa-loop-ch.c: Ditto.
6820 * diagnostic.c: Ditto.
6822 * genoutput.c: Ditto.
6824 * cfghooks.c: Ditto.
6825 * cfgloopanal.c: Ditto.
6826 * objc/objc-act.c: Ditto.
6828 * genextract.c: Ditto.
6829 * genautomata.c: Ditto.
6830 * pretty-print.c: Ditto.
6832 * cgraphunit.c: Ditto.
6835 * haifa-sched.c: Ditto.
6836 * dominance.c: Ditto.
6838 * tree-ssa-loop-ivopts.c: Ditto.
6840 * mode-switching.c: Ditto.
6841 * modulo-sched.c: Ditto.
6843 * ipa-pure-const.c: Ditto.
6845 * fix-header.c: Ditto.
6847 * tree-stdarg.c: Ditto.
6848 * ipa-utils.c: Ditto.
6849 * loop-init.c: Ditto.
6850 * ipa-inline.c: Ditto.
6853 * alloc-pool.c: Ditto.
6854 * dwarf2out.c: Ditto.
6856 * genattrtab.c: Ditto.
6857 * tree-ssa-loop-ivcanon.c: Ditto.
6861 * fortran/gfortranspec.c: Ditto.
6863 * local-alloc.c: Ditto.
6864 * langhooks.c: Ditto.
6865 * function.c: Ditto.
6866 * tree-vectorizer.c: Ditto.
6868 * ipa-type-escape.c: Ditto.
6870 * tree-if-conv.c: Ditto.
6873 * tree-data-ref.c: Ditto.
6874 * loop-unroll.c: Ditto.
6875 * treelang/treetree.c: Ditto.
6878 * ggc-common.c: Ditto.
6880 * coverage.c: Ditto.
6882 * tree-cfgcleanup.c: Ditto.
6883 * tree-ssa-pre.c: Ditto.
6884 * cfgcleanup.c: Ditto.
6885 * loop-invariant.c: Ditto.
6887 * ipa-prop.c: Ditto.
6888 * print-tree.c: Ditto.
6889 * conflict.c: Ditto.
6890 * ggc-page.c: Ditto.
6891 * sched-deps.c: Ditto.
6892 * regclass.c: Ditto.
6893 * tree-object-size.c: Ditto.
6895 * bb-reorder.c: Ditto.
6896 * resource.c: Ditto.
6897 * var-tracking.c: Ditto.
6899 * df-problems.c: Ditto.
6900 * reg-stack.c: Ditto.
6903 * sched-rgn.c: Ditto.
6904 * tree-ssa-structalias.c: Ditto.
6905 * tree-ssa-reassoc.c: Ditto.
6906 * config/darwin-c.c: Ditto.
6907 * config/darwin.c: Ditto.
6908 * config/arm/arm.c: Ditto.
6910 * collect2.c: Ditto.
6913 2006-01-31 Nicolas Pitre <nico@cam.org>
6915 * arm.md (smaxsi3): Make aware of smax_m1.
6918 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6920 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6922 2006-01-31 Richard Guenther <rguenther@suse.de>
6924 * doc/invoke.texi (-msselibm): Document.
6925 * target.h (expand_library_builtin): New target hook.
6926 * builtins.c (expand_builtin): Use expand_library_builtin.
6927 (default_expand_library_builtin): New function.
6928 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6929 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6930 (link_gcc_math_spec): Declare.
6931 (static_specs): Add link_gcc_math_spec.
6932 * expr.h (default_expand_library_builtin): Declare.
6933 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6934 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6935 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6936 * config/i386/i386.opt (msselibm): New target option.
6937 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6938 (ix86_init_sse_abi_builtins): New function.
6939 (ix86_expand_library_builtin): Likewise.
6940 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6941 (override_options): Handle error conditions wrt -msselibm.
6942 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6943 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6944 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6947 2006-01-31 Richard Guenther <rguenther@suse.de>
6948 Paolo Bonzini <bonzini@gnu.org>
6950 * doc/install.texi (--disable-libgcc-math): Document.
6952 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6954 * expr.h (expand_normal): new inline function.
6955 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6957 * dwarf2out.c: use it.
6962 * config/sparc/sparc.c: use it.
6963 * config/i386/i386.c: use it.
6964 * config/rs6000/rs6000.c: use it.
6965 * config/arm/arm.c: use it.
6966 * config/mips/mips.c: use it.
6967 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6969 2006-01-30 Roger Sayle <roger@eyesopen.com>
6971 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6972 argv to the appropriate type.
6974 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6976 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6979 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6982 * config/s390/s390.c (struct machine_function): New flag
6983 decomposed_literal_pool_addresses_ok_p.
6984 (s390_reorg): Set it before final stage of literal pool transforms.
6985 (s390_decompose_address): Only accept displacements of the form
6986 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6988 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6990 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6991 the comparison routine return.
6993 2006-01-30 Michael Matz <matz@suse.de>
6995 * global.c (find_reg): Only evict for global regs.
6996 Take n_refs into account and dump more info.
6998 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7001 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7002 (pragma_trap, pragma_nosave_low_regs): Likewise.
7003 (current_function_anonymous_args): Likewise.
7004 (sh_deferred_function_attributes): New variable.
7005 (sh_deferred_function_attributes_tail): Likewise.
7006 (print_operand): For '@', look up trap_exit attribute.
7007 (calc_live_regs): Look up trapa_handler attribute. For trapa
7008 handlers, save/restore fpscr, but don't do any other
7009 interrupt-specific saves.
7010 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7011 Fix check for partially saved registers to check for SHmedia.
7012 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7013 (sh_output_function_epilogue): Don't clear any of the removed
7015 (sh_insert_attributes): Don't check pragma_interrupt.
7016 Insert deferred attributes. Check that interrupt attribute is
7017 present for other attributes that require its presence.
7018 (sh_attribute_table): Add new attributes trapa_handler and
7020 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7021 Don't check for pragma_interrupt. Don't store argument.
7022 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7023 (sh_deferred_function_attributes): Declare.
7024 (sh_deferred_function_attributes_tail): Likewise.
7025 * sh.md (sp_switch_1): Add operand. Change generator caller.
7026 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7027 (*return_i): Don't use when trap_exit attribute is in effect.
7028 (*return_trapa): New insn pattern.
7030 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7031 setting c_target_objs and cxx_target_objs.
7032 * t-sh: Add rule for sh-c.o.
7034 2006-01-30 Richard Guenther <rguenther@suse.de>
7037 * gimplify.c (gimplify_target_expr): Handle easy cases
7038 without creating a temporary.
7040 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7042 * vec.h (safe_grow): Remove duplicated line.
7044 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7047 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7048 (expand_omp): ... here.
7049 (expand_omp_parallel): Only remove barriers for combined
7050 parallel+workshare constructs.
7052 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7056 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7057 * tree.c (build_qualified_type): Chain the new type to the original
7058 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7059 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7060 (build_pointer_type_for_mode): Only return unqualified types.
7061 (build_reference_type_for_mode): Likewise.
7063 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7065 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7066 * Makefile.in (CXX_COMPAT_WARN): Define.
7067 * configure: Regenerate.
7069 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7072 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7075 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7077 * toplev.c: Fix thinko.
7079 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7080 Marcin Dalecki <martin@dalecki.de>
7082 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7083 (push_srcloc): Use XNEW.
7084 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7086 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7088 * df-core.c (df_set_blocks): Deleted all variable.
7090 2006-01-28 Ian Lance Taylor <ian@airs.com>
7092 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7093 cgraph_output_pending_asms.
7095 2006-01-28 Zack Weinberg <zackw@panix.com>
7097 * c.opt: Add -W(no-)overlength-strings.
7098 * doc/invoke.texi: Document it.
7099 * c-opts.c (c_common_handle_option): -pedantic implies
7100 -Woverlength-strings, if not explicitly disabled already.
7101 (c_common_post_options): -Woverlength-strings defaults to off, and
7102 is always off for C++.
7103 * c-common.c (fix_string_type): Issue warning about strings longer
7104 than is portable only if warn_overlength_strings. Rearrange code
7105 a little for clarity.
7106 * configure.in: Check for -Wno-overlength-strings as well before
7107 enabling -pedantic in stage 1.
7108 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7109 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7111 * genconditions.c (write_header, write_one_condition)
7112 (write_conditions, write_writer): Consolidate very long strings
7113 that were broken up to fit in C89 portable limit. Don't use
7114 printf when fputs will do.
7116 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7118 * combine.c (simplify_comparison <AND>): Check
7119 TRULY_NOOP_TRUNCATION before start using a subreg.
7121 * config/mips/mips.md (*branch_zero<mode>,
7122 *branch_zero<mode>_inverted, *branch_equality<mode>,
7123 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7124 Remove mode check from comparisons.
7126 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7128 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7130 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7132 * expmed.c (const_mult_add_overflow_p): Remove.
7133 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7135 * recog.c (validate_replace_rtx_subexp): Remove.
7136 * recog.h: Remove the prototype for
7137 validate_replace_rtx_subexp.
7139 * integrate.h: Remove the prototype for
7140 copy_decl_for_inlining.
7141 * rtl.h: Remove the prototype for mark_constant_function.
7142 * tree-vectorizer.h: Remove the prototype for
7143 vect_strip_conversion.
7145 * modulo-sched.c (create_partial_schedule,
7146 free_partial_schedule, reset_partial_schedule): Make them
7149 * hooks.c (hook_bool_rtx_int_false): Remove.
7150 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7152 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7154 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7155 and -mlong-double-128 are incompatible.
7156 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7157 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7158 (TARGET_LIBGCC2_CFLAGS): Define.
7159 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7160 (TARGET_LIBGCC2_CFLAGS): Same.
7161 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7163 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7166 * c-typeck.c (build_binary_op): Perform implicit casts of
7167 operands before shortening them.
7169 * cfgloopmanip.c (split_loop_bb): Remove.
7170 * cfgloop.h: Remove the prototype for split_loop_bb.
7172 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7173 * cfgloop.h: Remove the prototype for
7174 flow_loop_outside_edge_p.
7176 * emit-rtl.c (init_virtual_regs): Make it static.
7177 * function.h: Remove the prototype for init_virtual_regs.
7179 * recog.c (peephole2_optimize): Make it static.
7180 * recog.h: Remove the prototype for peephole2_optimize.
7182 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7184 * df-scan.c (df_record_entry_block_defs): Check if
7185 INCOMING_RETURN_ADDR_RTX is defined.
7187 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7188 Kenneth Zadeck <zadeck@naturalbridge.com>
7190 PR rtl-optimization/24762
7191 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7192 * targhooks.c (hook_void_bitmap): New hook prototype.
7193 * targhoohs.h (hook_void_bitmap): Ditto.
7194 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7195 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7196 * target.h (live_on_entry): New function pointer.
7197 * df-scan.c (df_all_hard_regs): Removed.
7198 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7199 (df_scan_free_internal): Added df->entry_block_defs.
7200 (df_scan_alloc): Ditto.
7201 (df_scan_dump): Ditto.
7202 (df_uses_record): Plumbed flag field properly thru calls.
7203 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7204 This part fixes PR24762.
7205 (df_bb_refs_record): Added code to make the frame and arg
7206 pointers live in EH blocks.
7207 (df_refs_record): Added call to df_record_entry_block_defs.
7208 (df_record_entry_block_defs): New function.
7209 * df-core.c: Added comments to describe new artifical defs.
7210 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7211 (entry_block_defs): New field in struct df.
7212 (df_all_hard_regs): Deleted.
7213 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7214 * df-problems.c (df_ru_bb_local_compute_process_def):
7215 Added code to handle artifical defs in the entry to a function.
7216 (df_ru_bb_local_compute): Ditto.
7217 (df_rd_bb_local_compute_process_def): Ditto.
7218 (df_rd_bb_local_compute): Ditto.
7219 (df_lr_bb_local_compute): Ditto.
7220 (df_ur_bb_local_compute): Ditto.
7221 (df_urec_bb_local_compute): Ditto.
7222 (df_chain_create_bb): Ditto.
7223 (df_ur_local_finalize): Removed entry.
7224 (df_urec_init): Ditto.
7225 (df_urec_local_finalize): Ditto.
7226 (df_ri_bb_compute): Added detection of last use of pseudos.
7227 * Makefile.in (df-scan.o): Updated dependencies.
7228 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7229 * config/mips/mips.c (mips_set_live_on_entry): Added.
7230 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7232 * dce.c (marked_insn_p): Added code to handle artifical defs.
7234 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7236 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7238 (_mm_cvtsi128_si64): Likewise.
7239 (_mm_cvtsd_si64): Likewise.
7240 (_mm_cvttsd_si64): Likewise.
7241 (_mm_cvtsi64_sd): Likewise.
7242 (_mm_cvtsi64_si128): Likewise.
7243 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7244 (_mm_cvtsi64_m64): Likewise.
7245 (_m_to_int64): Likewise.
7246 (_mm_cvtm64_si64): Likewise.
7247 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7248 (_mm_cvttss_si64): Likewise.
7249 (_mm_cvtsi64_ss): Likewise.
7250 (_mm_cvtss_f32): Likewise.
7252 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7254 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7255 for pragma redefine_extname.
7257 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7260 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7261 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7262 -mno-minimal-toc to previous content.
7263 (bispecs): Remove goal.
7264 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7265 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7266 compatibility aliases on powerpc-*-*gnu*.
7267 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7268 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7269 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7270 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7271 (ldblspecs): New goal.
7272 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7273 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7275 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7276 L_sf_to_tf or L_df_to_tf is defined.
7278 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7279 Alan Modra <amodra@bigpond.net.au>
7282 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7283 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7284 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7285 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7286 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7287 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7288 (rs6000_override_options): Initialize rs6000_ieeequad.
7289 Initialize TFmode format to ibm_extended_format if not
7291 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7293 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7294 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7295 (function_arg_advance): IBM long double passed in two FPRs, not
7297 (function_arg): IBM long double passed in FPRs.
7298 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7299 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7300 Only multireg GPR aligned.
7301 (rs6000_init_libfuncs): Enable IBM long double functions if not
7303 (rs6000_generate_compare): Use IBM long double compare if not
7305 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7306 (TARGET_IEEEQUAD): Define.
7307 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7308 not TARGET_IEEEQUAD.
7309 * config/rs6000/rs6000.md: Enable TFmode patterns if
7311 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7312 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7313 and -mlong-double-128 are incompatible.
7314 * doc/invoke.texi (-mabi): Collect options together. Add
7315 ibmlongdouble and ieeelongdouble.
7317 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7319 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7321 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7322 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7323 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7324 * rtl.h (rtunion_def): Remove rt_ptr.
7326 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7327 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7328 * config/i386/winnt.c (i386_pe_mark_dllexport)
7329 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7331 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7333 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7335 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7339 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7340 pthread_key_delete. From John David Anglin. gthrw-ify
7341 pthread_getunique_np only if it it's not a macro. Delete
7343 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7344 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7345 __gthread_objc_condition_signal, __gthread_key_delete): Add
7346 "__attribute__ ((__unused__))" to unused arguments.
7347 (__gthread_recursive_mutex_init_function): Add missing return.
7348 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7349 gthr-posix95.h: Use macro-based approach for name redirection
7350 on targets missing weakref.
7352 2006-01-26 Zack Weinberg <zackw@panix.com>
7354 * genconditions.c (write_header): In generated code, #ifdef out
7355 all includes and fake declarations, except includes of bconfig.h
7356 and system.h, unless GCC_VERSION >= 3001. Do not include
7357 gensupport.h in any case.
7358 (write_conditions): Generate a definition of struct c_test. Add
7359 a comment to the generated #endif.
7360 (write_one_condition): Escape backslashes in string too.
7361 (write_writer): Generated code must escape backslashes and quote
7362 marks (but not newlines) in the strings it writes.
7363 * Makefile.in (build/gencondmd.o): Update dependencies.
7365 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7368 * Makefile.in (insn-automata.o): Add header file dependencies.
7369 * genautomata.c: Add includes.
7371 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7374 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7376 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7378 * configure.ac: Expect target tools paths to be passed from the toplevel
7379 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7381 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7383 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7386 * c.opt (Wpointer-sign): Init to -1.
7387 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7388 OPT_pedantic, to 0 otherwise.
7389 * doc/invoke.texi: Update.
7391 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7393 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7394 constants provided by 80387 instructions in the destination mode.
7396 2006-01-26 Richard Guenther <rguenther@suse.de>
7397 Andrew Pinski <pinskia@physics.uc.edu>
7400 partial PR tree-opt/17064
7401 * tree-ssa-structalias.c (intra_create_variable_infos):
7402 Create heap variables for incoming parameters if
7403 flag_argument_noalias > 1.
7404 (find_what_p_points_to): Look through default defs of
7407 2006-01-26 Jeff Law <law@redhat.com>
7410 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7411 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7412 within the VR_RANGE, use the VR_RANGE as the result, not the
7414 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7415 bounds for the type.
7417 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7419 * tree-ssa-alias.c (maybe_create_global_var): Change
7420 subvar walking to an assertion that we don't have subvar'd variables.
7422 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7425 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7426 Use a new variable, inner. PARM_DECLs are always non-weak.
7428 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7430 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7433 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7435 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7437 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7439 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7440 (smax_insn, smin_insn, smax_0, smin_0): New.
7442 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7445 * config/cris/cris.c (cris_order_for_addsi3): New function.
7446 * config/cris/cris-protos.h: Prototype it.
7447 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7448 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7449 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7450 (split for "op.S1 [rx=rx+i],ry (swapped)")
7451 (split for "op(s|u).S1 [rx=rx+i],ry")
7452 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7453 Apply cris_order_for_addsi3 when generating addsi3 insns.
7455 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7457 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7458 (TREE_BLOCK): Add call to EXPR_CHECK.
7460 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7463 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7464 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7465 (dump_omp_clauses): ... here.
7466 (dump_generic_node): Handle OMP_CLAUSE.
7467 * tree.c (omp_clause_num_ops): New.
7468 (omp_clause_code_name): New.
7469 (tree_code_size): Handle OMP_CLAUSE.
7470 (tree_size): Likewise.
7471 (make_node): Document handling of OMP_CLAUSE.
7472 (tree_node_structure): Handle OMP_CLAUSE.
7473 (omp_clause_check_failed): New.
7474 (omp_clause_range_check_failed): New.
7475 (omp_clause_operand_check_failed): New.
7476 (build_omp_clause): New.
7477 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7478 * tree.h (enum omp_clause_code): Declare.
7479 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7480 (OMP_CLAUSE_RANGE_CHECK): Define.
7481 (OMP_CLAUSE_ELT_CHECK): Define.
7482 (omp_clause_check_failed): Declare.
7483 (omp_clause_operand_check_failed): Declare.
7484 (omp_clause_range_check_failed): Declare.
7485 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7486 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7487 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7488 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7489 (OMP_CLAUSE_IF_EXPR): Likewise.
7490 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7491 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7492 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7493 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7494 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7495 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7496 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7497 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7498 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7499 (OMP_CLAUSE_CODE): Define.
7500 (OMP_CLAUSE_SET_CODE): Define.
7501 (OMP_CLAUSE_CODE): Define.
7502 (OMP_CLAUSE_OPERAND): Define.
7503 (struct tree_omp_clause): Declare.
7504 (union tree_node): Add field 'omp_clause'.
7505 * treestruct.def (TS_OMP_CLAUSE): Define.
7506 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7507 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7508 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7509 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7510 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7511 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7512 (OMP_CLAUSE): Define.
7513 * print-tree.c (print_node): Handle OMP_CLAUSE.
7514 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7515 * c-typeck.c: Likewise.
7516 * gimplify.c: Likewise.
7517 * c-omp.c: Likewise.
7518 * tree-nested.c: Likewise.
7519 * tree-inline.c: Likewise.
7520 * c-parser.c: Likewise.
7521 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7524 2006-01-25 Roger Sayle <roger@eyesopen.com>
7526 PR rtl-optimization/25703
7527 * combine.c (try_combine): Handle zero_extract and strict_low_part
7528 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7530 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7532 * global.c: Fix comment typos.
7534 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7537 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7538 Use output_addr_const instead of assemble_name.
7540 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7542 * Makefile.in (sched-vis.o): Update dependencies.
7543 * haifa-sched.c (sched_finish): Clear current_sched_info.
7544 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7545 (dump_flow_info): Call it.
7546 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7548 * basic-block.h (dump_bb_info): Declare.
7549 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7550 option, and apply options only for dump files whose TDF_RTL,
7551 TDF_TREE, or TDF_IPA bits match.
7552 * rtl.h: Declare new functions exported from sched-vis.c.
7553 * sched-vis.c: Enable also if scheduling is not used.
7554 (print_value): Print the mode of registers if not inside scheduling.
7555 (print_insn): Make it work outside the scheduler. Beautify the output
7557 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7559 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7561 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7562 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7563 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7564 depending on the value of CONSTANT_POOL_ADDRESS_P.
7565 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7567 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7568 rather than SYMBOL_REF_DECL.
7569 (rtx_constant_pool): Remove const_rtx_sym_htab.
7570 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7571 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7572 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7573 Remove handling of const_rtx_sym_htab.
7574 (find_pool_constant): Delete.
7575 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7576 rather than find_pool_constant.
7577 (get_pool_constant_for_function): Delete.
7578 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7580 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7581 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7582 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7583 (SYMBOL_REF_CONSTANT): New macro.
7584 (get_pool_constant_for_function): Delete.
7585 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7586 rather than SYMBOL_REF_DECL.
7587 (i386_pe_mark_dllimport): Likewise.
7588 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7589 rather than SYMBOL_REF_DECL.
7590 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7591 (machopic_indirect_call_target): Likewise.
7593 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7595 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7597 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7599 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7601 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7603 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7605 2006-01-24 David Daney <ddaney@avtrex.com>
7608 * configure.ac (enable_tls): New enable option.
7609 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7610 * configure: Regenerate.
7611 * doc/install.texi (--enable-tls): Document new option.
7612 (--disable-tls): Ditto.
7614 2006-01-24 Richard Henderson <rth@redehat.com>
7616 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7617 * alias.c (true_dependence): Respect it.
7618 (canon_true_dependence, write_dependence_p): Likewise.
7619 * builtins.c (get_builtin_sync_mem): Set it.
7621 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7623 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7626 2006-01-24 DJ Delorie <dj@redhat.com>
7628 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7629 for storing constants in single-bit bitfields.
7631 2006-01-25 Ben Elliston <bje@au.ibm.com>
7633 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7635 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7638 * tree-ssa-pre.c (phi_translate): Return NULL
7639 for AGGREGATE_TYPE's.
7641 2006-01-24 Zack Weinberg <zackw@panix.com>
7643 * genautomata.c (process_state_for_insn_equiv_partition):
7644 Use xcalloc for insn_arcs_array.
7645 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7646 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7648 2006-01-24 Richard Henderson <rth@redhat.com>
7650 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7653 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7655 PR rtl-optimization/25890
7656 PR rtl-optimization/25905
7657 * combine.c (expand_compound_operation, expand_field_assignment):
7658 Fail if the bitfield's final position is out of bounds.
7660 2006-01-24 Ian Lance Taylor <ian@airs.com>
7663 * cgraphunit.c (cgraph_output_in_order): Don't clear
7664 cgraph_asm_nodes until after asm strings have been output.
7666 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7668 * fix-header.c (read_scan_file): Add new parameter imultilib when
7669 calling register_include_chains.
7671 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7673 * omp-low.c: Update documentation.
7675 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7676 Daniel Berlin <dberlin@dberlin.org>
7680 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7681 return from the function.
7683 2006-01-22 Zack Weinberg <zackw@panix.com>
7685 * rtl.def (match_code): Add second argument.
7686 * genpreds.c (write_extract_subexp): New function.
7687 (write_match_code): Add path argument. Use write_extract_subexp.
7688 (write_predicate_expr): Pass path to write_match_code.
7689 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7690 not perform a mode test.
7691 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7692 a subexpression does not constrain the top-level code set.
7693 * read-rtl.c (read_rtx_variadic): New function.
7694 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7695 * doc/md.texi: Document new notation.
7696 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7697 (cmpsi_operand): ... here, using new notation.
7699 2006-01-22 Zack Weinberg <zackw@panix.com>
7701 * varray.c: Remove GENERATOR_FILE #ifdefs.
7703 2006-01-22 Zack Weinberg <zackw@panix.com>
7705 * genautomata.c (output_reserved_units_table): Emit nothing if
7706 description->query_units_num is zero. Remove extra blank line.
7707 (output_cpu_unit_reservation_p): Short circuit
7708 if description->query_units_num is zero.
7710 2006-01-22 Zack Weinberg <zackw@panix.com>
7712 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7713 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7714 nor any of the random handful of variables that used to be necessary
7715 when this program was linked with rtlanal.o. Prune set of forward
7716 function declarations.
7717 (struct attr_desc): Remove static_p field.
7718 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7719 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7720 (attr_string): Do not read the character one past the length of
7722 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7723 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7724 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7725 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7726 (make_automaton_attrs): New.
7727 (main): Do not call into genautomata. Call local gen_bypass
7728 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7729 Remove special case for insn_alts.
7730 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7731 varray.h (leftover from previous change). Prune set of forward
7732 function declarations. Remove state_alts fields from all
7733 structures. Remove state_alts_table from struct automaton.
7734 Make everything except main static. Do not maintain num_dfa_decls.
7735 Do not maintain state_alts fields of various structures.
7736 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7737 (add_arc): Remove state_alts argument. All callers updated.
7738 (output_reserved_units_table): Emit #ifdef here...
7739 (output_tables): ...not here. Don't generate state_alts tables.
7740 (expand_automata): Don't generate attributes.
7741 (write_automata): Don't generate state_alts functions.
7742 (main): New function.
7743 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7744 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7745 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7746 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7747 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7748 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7749 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7750 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7752 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7753 * genattrtab.h: Delete file.
7754 * Makefile.in (OBJS-common): Add insn-automata.o.
7755 (insn-automata.o): New rule.
7756 (simple_generated_c): Add insn-automata.c.
7757 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7758 (genprogmd): Add automata.
7759 (build/genattrtab): Needs no extra objects nor libraries.
7760 (build/genautomata): Needs build/vec.o and -lm.
7762 2006-01-22 Zack Weinberg <zackw@panix.com>
7764 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7765 (output_dfa_max_issue_rate, locked_states_num): Delete.
7766 (struct automaton): Add locked_states field.
7767 (output_dead_lock_vect): Save number of locked states in
7768 automaton->locked_states. If it is zero, don't print anything.
7769 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7770 (output_internal_dead_lock_func): Only test the dead_lock_vect
7771 for automata that have locked states.
7772 (output_statistics): Always print the number of locked states for
7773 each automaton. Calculate total number of locked states here.
7774 (write_automata): Don't call output_dfa_max_issue_rate.
7775 * genattrtab.c: Define length_unit_log as a const variable.
7776 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7777 max_insn_queue_index const.
7778 * final.c (length_unit_log): Declare const.
7779 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7781 2006-01-22 Zack Weinberg <zackw@panix.com>
7783 * genautomata.c: Include vec.h, not varray.h.
7784 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7785 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7786 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7787 VEC_* macros operating on appropriately typed vectors, or to
7788 malloced arrays when the size is known in advance. Const-ify
7789 many char* variables and function arguments. No functional changes.
7790 * Makefile.in (build/varray.o): Delete rule.
7791 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7792 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7794 2006-01-22 Zack Weinberg <zackw@panix.com>
7796 * gensupport.c: Define get_insn_name and record_insn_name here.
7797 (read_md_rtx): Call record_insn_name as appropriate.
7798 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7799 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7800 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7802 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7803 (BUILD_VARRAY): Delete.
7804 (genprognormal): Rename genprogmd. Fold in all programs from
7805 genprognoprint; also attrtab.
7806 (build/genattrtab): Just mention genautomata.o and varray.o.
7807 Reorganize a bit, add comments to make the categories clearer.
7809 2006-01-22 Zack Weinberg <zackw@panix.com>
7811 * genconditions.c (condition_table, add_condition): Delete.
7812 (write_conditions): Don't emit n_insn_conditions nor
7813 insn_elision_unavailable. Issue the gcc version #ifdef here,
7814 inside the table, with no #else clause ...
7815 (write_header): ...not here.
7816 (write_writer): New function.
7817 (main): Don't initialize condition_table. Use add_c_test.
7819 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7820 files on the command line.
7821 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7822 Return -1 if there is no entry in the table, don't abort.
7823 (add_c_test, traverse_c_tests): New functions.
7824 * gensupport.h (insn_elision_unavailable, insn_conditions)
7825 (n_insn_conditions): Delete declarations.
7826 (add_c_test, traverse_c_tests): Declare.
7827 * read-rtl.c: Include gensupport.h.
7828 (read_conditions): New function.
7829 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7830 (read_rtx_1): If we get EOF when we were looking for an initial
7831 open paren, return 0. Call read_conditions when appropriate.
7832 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7833 dummy-conditions.o. Eliminate references to insn-conditions.o,
7834 or change them to build/gencondmd.o, as appropriate. Remove
7835 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7836 from $(simple_generated_c). For all files remaining in those
7837 two lists, add insn-conditions.md to the generator command line.
7838 Give insn-constants.h/s-constants their own rules. Add rules
7839 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7840 (build/read-rtl.o): Depend on gensupport.h.
7841 (genprognormal): Include preds.
7842 (genprogearly): Rename genprognoprint; only difference is now that
7843 they don't link with $(BUILD_PRINT).
7844 * dummy-conditions.c: Delete.
7846 2006-01-22 Zack Weinberg <zackw@panix.com>
7848 * genextract.c: Don't include insn-config.h. Do include vec.h.
7849 Declare vectors of int, char, and locstr.
7850 (locstr): New typedef.
7851 (struct extraction): Make all array fields into bare pointers.
7852 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7853 (insn_code_number): Delete.
7854 (accum_extract): New struct.
7855 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7856 (gen_insn): Take insn_code_number as an argument. Use an
7857 accum_extract structure instead of loading data directly into
7858 a struct extraction, and having to know how big it might get.
7859 (walk_rtx): Operate entirely on an accum_extract structure.
7860 (print_path): Avoid unnecessary use of printf.
7861 (print_header): New function, split out of main. Distinguish
7862 more carefully between an unrecognizable insn and an insn that
7863 has the code number of a define_expand.
7864 (main): Pass insn_code_number to gen_insn. Call print_header
7865 only after parsing. Avoid unnecessary use of printf.
7866 * Makefile.in (build/vec.o): New rule.
7867 (build/genextract): Depend on build/vec.o.
7868 (build/genextract.o): Don't depend on insn-config.h.
7870 2006-01-22 Zack Weinberg <zackw@panix.com>
7872 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7873 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7874 practical. Eliminate per-generator-program link rules.
7876 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7879 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7880 with a call expr to ...
7881 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7883 2006-01-23 Richard Guenther <rguenther@suse.de>
7885 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7886 before make_edge with conditional EDGE_TRUE_VALUE.
7888 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7889 Jan Hubicka <jh@suse.cz>
7890 Richard Guenther <rguenther@suse.de>
7892 PR rtl-optimization/25654
7893 * cfgexpand.c (aggregate_contains_union_type): New function.
7894 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7895 for structure variables that contain a union type.
7897 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7899 * gengtype.c (new_structure): Return the structure.
7900 (create_option): Add an extra "next" argument.
7901 (create_field): New function.
7902 (adjust_field_rtx_def): Use create_option and create_field.
7903 Remove a now-unnecessary call to find_structure.
7904 (adjust_field_tree_def): Likewise.
7905 (note_yacc_type): Remove an unnecessary call to find_structure.
7906 * gengtype.h (new_structure): Return the structure.
7907 (create_option): Add an extra argument.
7908 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7909 (option): Adjust calls to create_option.
7911 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7913 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7915 2006-01-22 Paul Brook <paul@codesourcery.com>
7916 Peter Barada <peter@the-baradas.com>
7918 * config/m68k/m68k.md: Add Coldfire FPU support.
7919 Define FP mode macro and associated attributes.
7920 Use it for float mode patterns.
7921 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7922 (LIBCALL_VALUE): Use m68k_libcall_value.
7923 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7924 (m68k_function_value): Ditto.
7925 (emit_move_sequence): Ditto.
7926 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7927 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7928 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7929 (MULTILIB_EXCEPTIONS): Ditto.
7930 * config/m68k/m68k.opt: Add mcfv4e.
7931 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7932 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7933 (m68k_output_function_prologue): Save ColdFire FPU registers.
7934 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7935 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7936 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7937 ColdFire FPU registers.
7938 (m68k_libcall_value, m68k_function_value): New functions.
7939 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7940 (LIBCALL_VALUE): Use m68k_libcall_value.
7941 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7942 (MASK_COLDFIRE): Add MASK_CFV4E.
7943 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7944 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7945 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7946 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7947 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7948 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7949 * doc/invoke.tex: Document -mcfv4e on m68k.
7951 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7953 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7956 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7959 * c-opts.c (c_common_handle_option): Don't include
7960 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7961 * doc/invoke.texi (C++ Dialect Options): Document that
7962 -Wnon-virtual-dtor is no longer included in -Wall.
7964 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7966 * gcov.c (print_version), gcov-dump.c (print_version),
7967 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7970 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7972 * df-scan.c (problem_SCAN): Added NULL reset function.
7973 (df_scan_reset_blocks): Added code to call reset block function
7974 (df_bb_refs_delete) Fixed comment.
7975 (df_insn_refs_delete): Made tolerant of deleting non existent info
7976 for dataflow problems that need to be reset.
7977 * df-core.c (df_set_blocks): Ditto.
7978 * df.h (struct df_problem): Added reset_fun.
7979 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7980 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7981 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7982 functions to clear out all references to def-use or use-def chains.
7984 2006-01-21 Ben Elliston <bje@au.ibm.com>
7986 * varasm.c (assemble_real): Initialise data array.
7988 2006-01-20 Paul Brook <paul@codesourcery.com>
7990 Merge from csl-arm-branch.
7991 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7992 * config/arm/arm.md (movdi): Force operands[1] to a register
7993 if we have a non-register source.
7994 (*arm_movdi, *movdf_soft_insn): Require that one of the
7995 operands be a register.
7996 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7997 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7999 2006-01-20 DJ Delorie <dj@redhat.com>
8001 * varasm.c (initialize_constant_valid_p): Allow pointers
8002 initialized from integer constants of lesser precision.
8003 (output_constant): Allow non-int-sized pointer modes to be
8004 initialized from integer constants.
8006 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8009 * cppdefault.h (struct default_include): Add multilib flag.
8010 * cppdefault.c (cpp_include_defaults): Set it.
8011 * c.opt (-imultilib): New option.
8012 * c-opts.c (imultilib): New.
8013 (c_common_handle_option): Handle -imultilib.
8014 (c_common_post_options): Likewise.
8015 * c-incpath.c (add_standard_paths, register_include_chains):
8017 * c-incpath.h (register_include_chains): Add extra parameter.
8018 * gcc.c (do_spec_1): Generate -imultilib option.
8019 (The Specs Language): Update %I description.
8020 (process_command): Update copyright notice.
8021 * doc/cppopts.texi (-imultilib): Document.
8022 * doc/invoke.texi (-imultilib): Include in option summary.
8023 (%I): Update specs documentation.
8025 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8027 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8029 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8031 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8034 2006-01-20 Richard Guenther <rguenther@suse.de>
8035 Steven Bosscher <stevenb.gcc@gmail.com>
8037 PR rtl-optimization/24626
8038 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8039 EDGE_TRUE_VALUE if in RTL mode.
8042 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8043 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8045 2006-01-20 Dirk Mueller <dmueller@suse.com>
8048 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8049 instead of a special NOP marker.
8050 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8051 NOP marker handling.
8052 * c-common.h (empty_body_warning): Add forward declaration.
8053 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8054 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8056 2006-01-20 Paul Brook <paul@codesourcery.com>
8058 * Makefile.in (lang_checks): Keep going if mkdir fails.
8060 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8062 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8063 be able to clean out basic block when not necessary.
8064 (df_scan_free): Fixed to properly delete information if df is
8065 unused before calling df_finish.
8066 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8067 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8069 (df_bb_refs_delete): New function.
8070 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8071 * df-core.c (df_set_blocks): Added code to properly clean out
8072 unused blocks if they are not part of the blocks to consider.
8073 Added additional null check.
8074 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8075 be able to clean out basic block when not necessary
8076 * df.h (df_free_bb_function): Ditto.
8077 (df_bb_refs_delete): New function.
8078 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8079 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8080 basic block parameter to be able to clean out basic block when not
8082 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8083 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8084 Fixed to properly delete information if df is unused before
8087 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8089 PR rtl-optimization/25799
8090 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8091 Corrected confluence operator to remove bits from op2 before oring
8092 with op1 rather than removing bits from op1.
8093 (df_ru_transfer_function): Corrected test on wrong bitmap which
8094 caused infinite loop. Both of these problems were introduced in
8095 the dataflow rewrite.
8097 2006-01-19 DJ Delorie <dj@redhat.com>
8099 * reload1.c (find_reload_regs): Note the details of reload
8100 failures in the dump file.
8101 (spill_failure): Likewise.
8103 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8105 * loop-iv.c: Include df.h and hashtab.h.
8106 (enum iv_grd_result): New enum.
8107 (DF_REF_IV, DF_REF_IV_SET): New macros.
8108 (struct biv_entry): New.
8109 (df, bivs): New global variables.
8110 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8111 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8113 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8114 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8115 analyzed_for_bivness_p, record_biv): New functions.
8116 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8117 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8118 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8120 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8122 (iv_number_of_iterations): Use new interface to iv analysis.
8123 * loop-unroll.c: Do not include varray.h.
8124 (analyze_iv_to_split_insn): Use new interface to iv
8126 * loop-unswitch.c (may_unswitch_on): Ditto.
8127 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8129 (df_bb_modify): Realloc tables to the new index.
8130 (df_find_use): New function.
8131 * df.h (df_find_use): Declare.
8132 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8134 * cfgloop.h (struct rtx_iv): Remove analysed field.
8135 (iv_get_reaching_def): Removed.
8136 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8137 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8138 (loop-iv.o): Add df.h and hashtab.h dependency.
8139 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8141 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8144 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8146 (__floatundisf, __floatundidf): Likewise.
8147 * libgcc2.h (IS_IBM_EXTENDED): Define.
8149 2006-01-19 DJ Delorie <dj@redhat.com>
8151 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8153 2006-01-19 Paul Brook <paul@codesourcery.com>
8155 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8156 as nothrow when unwinding tables are disabled.
8158 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8161 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8162 of bit-field" when in system header.
8164 2006-01-19 DJ Delorie <dj@redhat.com>
8166 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8167 the 16 bit shift limit of the m16c.
8169 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8172 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8173 * config/i386/i386.c (output_set_got): Output the label if we have one
8174 for the TARGET_DEEP_BRANCH_PREDICTION case.
8176 2006-01-19 Jan Hubicka <jh@suse.cz>
8177 H.J. Lu <hongjiu.lu@intel.com>
8178 Evandro Menezes <evandro.menezes@amd.com>
8180 * invoke.texi (generic): Document
8182 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8183 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8184 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8185 (x86_use_incdec, x86_pad_returns): New variables
8186 (TARGET_CPU_DEFAULT_generic): New constant
8187 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8188 (enum processor_type): Add generic32 and generic64.
8189 * i386.md (cpu attribute): Add generic32/generic64
8190 (movhi splitter): Behave sanely when both partial_reg_dependency and
8191 partial_reg_stall are set.
8192 (K8 splitters): Enable for generic as well.
8193 * predicates.md (incdec_operand): Use TARGET_INCDEC
8194 (aligned_operand): Avoid memory mismatch stalls.
8195 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8196 * ppro.md: Enable for generic32
8197 * i386.c (generic64_cost, generic32_cost): New.
8198 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8199 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8200 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8201 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8202 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8203 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8204 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8205 x86_accumulate_outgoing_args, x86_prologue_using_move,
8206 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8207 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8209 (x86_use_incdec, x86_pad_returns): New.
8210 (override_options): Add generic32 and generic64, translate "generic"
8211 to generic32/generic64 and "i686" to "generic32", refuse
8212 "generic32"/"generic64" as arch target.
8213 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8214 (ix86_reorg): Honor PAD_RETURNS.
8216 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8218 * tree-pretty-print.c (dump_generic_node): Handle
8219 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8220 * cgraph.c (cgraph_expand_queue): Rename from
8221 cgraph_analyze_queue. Update all users.
8222 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8223 cgraph_expand_queue.
8224 (cgraph_expand_all_functions): Likewise.
8225 (cgraph_finalize_pending_functions): Remove. Update callers.
8227 * tree.h (OMP_DIRECTIVE_P): Define.
8228 (OMP_PARALLEL_FN): Define.
8229 (OMP_PARALLEL_DATA_ARG): Define.
8230 (OMP_SECTIONS_SECTIONS): Define.
8231 * tree-pass.h (pass_expand_omp): Declare.
8232 * omp-low.c (struct omp_region): Declare.
8233 (struct omp_context): Remove fields 'parallel_type',
8234 'parallel_start_ix' and 'parallel_start_additional_args'.
8236 (struct omp_for_data): Rename from struct expand_omp_for_data.
8237 (omp_regions): New static variable.
8238 (root_omp_region): New static variable.
8239 (find_omp_clause): Make static.
8240 (is_in_combined_parallel_ctx): Remove.
8241 (is_combined_parallel): New.
8242 (extract_omp_for_data): Move earlier in the file.
8243 (workshare_safe_to_combine_p): New.
8244 (get_ws_args_for): New.
8245 (determine_parallel_type): Move earlier in the file.
8246 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8248 (omp_copy_decl): Likewise.
8249 (create_omp_child_function): Likewise.
8250 (lookup_omp_region): New.
8251 (dump_omp_region): New.
8252 (debug_omp_region): New.
8253 (debug_all_omp_regions): New.
8254 (new_omp_region): New.
8255 (scan_omp_parallel): If parallel_nesting_level > 1, the
8256 directive is nested within another parallel directive.
8257 Set OMP_PARALLEL_FN.
8258 (scan_omp_for): Do not try to handle combined parallel+for
8260 Remove FIXME comment.
8261 (scan_omp_nested): Remove.
8262 (scan_omp_1): Do not call scan_omp_nested when
8263 parallel_nesting_level is > 1.
8264 Do not change the DECL_CONTEXT of local variables found.
8265 (lookup_decl_in_outer_ctx): New.
8266 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8267 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8268 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8269 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8270 If CTX is nested, lookup VAR in the outer context when
8271 building copy assignment.
8272 (lower_send_clauses): Rename from expand_send_clauses.
8273 If CTX is nested, lookup VAR in the outer context when
8274 building copy assignments.
8275 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8276 If CTX is nested, lookup VAR in the outer context when
8277 building copy assignments.
8278 (expand_parallel_call): Rename from build_parallel_call.
8279 Handle combined parallel+workshare cases.
8280 Re-implement to emit code into the CFG.
8282 (expand_omp_parallel): Re-implement to emit code into the CFG.
8283 Call move_sese_region_to_fn to outline the sub-graph
8284 containing the parallel region.
8285 (expand_omp_for_1): Remove.
8286 (expand_omp_for_generic): Re-implement to emit code into the
8288 (expand_omp_for_static_nochunk): Likewise.
8289 (expand_omp_for_static_chunk): Likewise.
8290 (expand_omp_for): Likewise.
8291 (expand_omp_sections): Likewise.
8292 (remove_exit_barriers): New.
8293 (expand_omp_synch): New.
8295 (build_omp_regions_1): New.
8296 (build_omp_regions): New.
8297 (execute_expand_omp): New.
8298 (gate_expand_omp): New.
8299 (pass_expand_omp): Define.
8300 (lower_omp_sections): Rename from expand_omp_sections.
8301 Set OMP_SECTIONS_SECTIONS.
8302 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8303 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8304 (lower_omp_single): Rename from expand_omp_simple.
8305 (lower_omp_master): Rename from expand_omp_master.
8306 (lower_omp_ordered): Rename from expand_omp_ordered.
8307 (lower_omp_critical): Rename from expand_omp_critical.
8308 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8309 (lower_omp_for): Re-implement.
8310 (lower_omp_parallel): Re-implement.
8311 (lower_regimplify): Rename from expand_regimplify.
8312 (lower_omp_1): Rename from expand_omp_1.
8313 If there are syntax errors in the program, replace every
8314 OpenMP directive with NOP.
8315 Call lower_omp_* instead of expand_omp_*.
8316 (lower_omp): Rename from expand_omp.
8318 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8319 * tree-gimple.h (enum omp_parallel_type): Remove.
8320 (gimple_boolify): Declare extern.
8321 (find_omp_clause, determine_parallel_type): Remove.
8323 * gimple-low.c (lower_omp_directive): New.
8324 (lower_stmt): Call it.
8325 (record_vars_into): Move from ...
8326 (record_vars): ... here.
8327 Call record_vars_into with current_function_decl.
8329 * gimplify.c (struct gimplify_ctx): Remove fields
8330 combined_pre_p and combined_ctxp. Update users.
8331 (get_formal_tmp_var): Add documentation.
8332 (gimple_boolify): Make extern.
8333 (gimplify_expr_in_ctx): Remove. Update callers.
8334 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8335 will always be a BIND_EXPR.
8336 (gimplify_expr): Handle OMP_RETURN_EXPR.
8337 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8338 (OMP_PARALLEL): Add 3 operands.
8339 (OMP_SECTIONS): Add 1 operand.
8340 (OMP_RETURN_EXPR): Define.
8342 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8343 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8344 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8345 creating a circular free list.
8346 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8348 * tree-flow.h (move_sese_region_to_fn): Declare.
8349 (record_vars_into): Declare.
8350 * tree-cfg.c (make_omp_sections_edges): New.
8351 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8352 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8353 OMP_SECTIONS and OMP_SECTION.
8354 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8355 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8356 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8357 (gather_blocks_in_sese_region): New.
8358 (struct move_stmt_d): Declare.
8360 (move_block_to_fn): New.
8361 (move_sese_region_to_fn): New.
8363 * passes.c (init_optimization_passes): Schedule
8364 pass_expand_omp after pass_init_datastructures.
8366 * tree-ssa-operands.c (get_expr_operands): Handle
8367 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8368 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8370 2006-01-19 Jeff Law <law@redhat.com>
8372 * tree-vrp.c (extract_range_from_assert): Refine the result range
8373 if the variable referenced by the ASSERT_EXPR has a range and
8374 either the tentative result range or the previous range is a
8377 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8379 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8381 2006-01-19 Jan Hubicka <jh@suse.cz>
8383 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8385 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8387 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8388 (expand_compound_operation, expand_field_assignment): Fail if the
8389 bit lengths of an extract operation are out of range.
8390 (make_extraction): Compute wanted_inner_mode based on the position
8391 and length of the extraction. Make it extraction_mode for non-constant
8392 positions, and do not modify offset in that case. When generating a
8393 new MEM, use a mode that can hold the extraction while keeping correct
8394 alignment. Remove code that supported MEMs wrapped by USEs.
8395 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8397 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8399 * config/s390/s390.md ("Y", "y"): New mode attribute.
8400 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8401 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8402 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8403 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8404 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8405 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8406 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8407 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8408 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8409 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8410 "addsi3", "subsi3"): Insn patterns removed.
8411 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8412 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8413 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8414 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8415 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8416 "*sub<mode>3_cconly2"): New insn patterns.
8417 ("addsi3", "subsi3"): New expanders.
8419 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8421 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8422 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8423 existing STMT_VINFO_VECTYPE if available.
8424 (vect_mark_relevant): Add special handling for stmts that are
8425 marked as STMT_VINFO_IN_PATTERN_P.
8426 (vect_analyze_loop): Call vect_pattern_recog.
8427 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8428 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8430 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8431 (vect_recog_func_ptr): New function-pointer type.
8432 * tree-vect-patterns.c: New file.
8433 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8434 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8435 (vect_pattern_recog_1): New functions.
8436 (vect_pattern_recog_funcs): New array of function pointers.
8438 * tree-vectorizer.h (ternary_op): New enum value.
8439 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8440 declaration. Revised documentation. Removed redundant dump prints.
8441 Removed redundant argument. Added support for reduction patterns.
8442 (vectorizable_reduction): Added support for reduction patterns.
8443 (vect_transform_stmt): Added support for patterns.
8445 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8446 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8447 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8448 (expand_widen_pattern_expr): New function.
8449 (init_optabs): Initialize new optabs udot_prod_optab,
8451 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8452 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8453 (expand_widen_pattern_expr): New function declaration.
8454 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8456 * tree-inline.c (estimate_num_insns_1): Added cases for new
8457 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8458 * tree-pretty-print.c (dump_generic_node): Likewise.
8459 (op_prio): Likewise.
8460 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8461 * tree-ssa-operands.c (get_expr_operands): Added case for
8463 * tree-vect-patterns.c (widened_name_p): New function.
8464 (vect_recog_dot_prod_pattern): Added function implementation.
8465 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8466 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8467 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8468 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8470 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8471 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8472 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8473 (init_optabs): Initialize new optabs widen_ssum_optab,
8475 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8476 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8477 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8478 use instead of type of def.
8479 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8480 function implementation.
8481 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8482 widen_ssumv8hi): New.
8484 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8487 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8490 * c-decl.c (add_flexible_array_elts_to_size): New function.
8491 (finish_decl): Use it.
8493 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8495 * diagnostic.h: Include options.h.
8496 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8497 dependancies for diagnostic.h.
8498 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8500 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8502 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8503 (ssa_ro_call_cache_valid): Ditto.
8504 * tree-ssa-alias.c (sort_tags_by_id): New function.
8505 (init_transitive_clobber_worklist): Ditto.
8506 (add_to_worklist): Ditto.
8507 (mark_aliases_call_clobbered): Ditto.
8508 (compute_tag_properties): Ditto.
8509 (set_initial_properties): Ditto.
8510 (compute_call_clobbered): Ditto.
8511 (compute_may_aliases): Call compute_call_clobbered and grouping.
8512 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8513 (compute_flow_insensitive_aliasing): Grouping now happens in our
8515 (setup_pointers_and_addressables): Remove clobbering related code.
8516 (add_may_alias): Ditto.
8517 (replace_may_alias): Ditto.
8518 (get_nmt_for): Ditto.
8519 (create_global_var):
8520 (is_escape_site): Return an escape_type enumeration.
8521 * tree-flow-inline.h (is_call_clobbered): Global var does not
8522 imply call clobbered.
8523 (mark_call_clobbered): Take a reason for marking this. Remove
8524 marking of globalness, and cache invalidation.
8525 (clear_call_clobbered): Remove cache invalidation code.
8526 * tree-dfa.c (dump_variable): If details is on, dump the reason
8528 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8530 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8531 (struct var_ann_d): Ditto.
8532 (enum escape_type): New.
8533 (mark_call_clobbered): Adjust prototype.
8534 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8535 are never call clobbered.
8536 Record reasons for escaping.
8537 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8538 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8539 (ssa_ro_call_cache_valid): Ditto.
8540 (clobbered_v_may_defs): Ditto.
8541 (clobbered_vuses): Ditto.
8542 (ro_call_vuses): Ditto.
8543 (clobber_stats): New.
8544 (init_ssa_operands): Zero out clobber stats.
8545 (fini_ssa_operands): Print out clobber stats.
8546 (get_call_expr_operands): Pass callee fndecl to
8548 (add_call_clobber_ops): Remove use of cache.
8549 Add use of PURE_CONST information.
8550 (add_call_read_ops): Remove use of cache.
8551 Add use of static not_read information.
8553 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8555 Introduce TLS descriptors for i386 and x86_64.
8556 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8557 (TARGET_ANY_GNU_TLS): New macro.
8558 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8559 (struct machine_function): Add tls_descriptor_call_expanded_p.
8560 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8561 (ix86_current_function_calls_tls_descriptor): Likewise.
8562 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8563 (override_options): Introduce gnu2 tls dialect.
8564 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8566 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8568 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8569 (ix86_init_machine_status): Initialize new field.
8570 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8571 (ix86_tls_module_base): New.
8572 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8573 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8574 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8575 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8576 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8577 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8578 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8579 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8580 * config/i386/predicates.md (tls_modbase_operand): New.
8581 (tp_or_register_operand): New.
8583 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8585 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8586 (look_for_address_of): Ditto.
8587 (ipa_init): Walk the function decls.
8588 (static_execute): Don't set readonly on FUNCTION_DECL's.
8590 2006-01-18 Roger Sayle <roger@eyesopen.com>
8592 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8593 for shifts where the source and destination registers are different.
8595 2006-01-18 Paul Brook <paul@codesourcery.com>
8597 Merge from csl-arm-branch.
8598 2005-03-14 Julian Brown <julian@codesourcery.com>
8599 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8600 (aeabi_llsl): Likewise.
8601 (ashrdi3): Likewise.
8602 (aeabi_lasr): Likewise.
8603 (lshrdi3): Likewise.
8604 (aeabi_llsr): Likewise.
8605 2005-03-10 Julian Brown <julian@codesourcery.com>
8606 * config.gcc: Disable shared libgcc for SymbianOS.
8607 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8609 2006-01-18 DJ Delorie <dj@redhat.com>
8611 * c-pragma.c (handle_pragma_diagnostic): New.
8612 (init_pragma): Register it.
8613 * doc/extend.texi: Document it.
8615 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8616 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8617 (diagnostic_context): Add classify_diagnostic[].
8618 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8619 as errors if they're overridden to DK_WARNING.
8620 (diagnostic_initialize): Initialize classify_diagnostic[].
8621 (diagnostic_set_kind_override): New.
8622 (diagnostic_report_diagnostic): Check for kind changes.
8623 * opts.c (common_handle_option): Take lang_mask. Update callers.
8625 * common.opt (Werror=): New.
8626 * doc/invoke.texi: Document -Werror=*
8628 2006-01-18 Jeff Law <law@redhat.com>
8630 * tree-vrp.c (test_for_singularity): Correct test for new
8631 min limit. Use operand_equal_p rather than pointer equality
8632 for testing if new min/max values are equal.
8634 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8635 using range information until after propagation and folding.
8637 2006-01-18 Richard Henderson <rth@redhat.com>
8638 Aldy Hernandez <aldyh@redhat.com>
8639 Jakub Jelinek <jakub@redhat.com>
8640 Diego Novillo <dnovillo@redhat.com>
8642 * omp-low.c: New file.
8643 * c-omp.c: New file.
8645 2006-01-18 Richard Henderson <rth@redhat.com>
8646 Jakub Jelinek <jakub@redhat.com>
8647 Diego Novillo <dnovillo@redhat.com>
8649 * doc/invoke.texi: Document -fopenmp.
8650 * tree-dump.h (debug_function): Declare.
8651 * hooks.c (hook_bool_tree_bool_false): New function.
8652 (hook_tree_tree_null): Remove.
8653 (hook_tree_tree_tree_null): New.
8654 * hooks.h: Update to match.
8655 * tree-pretty-print.c (debug_tree_chain): New.
8656 (print_generic_expr): Handle TDF_CHAIN.
8657 (dump_generic_node): Handle BLOCK.
8658 Do not abort with incomplete SWITCH_EXPRs.
8659 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8660 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8661 print space after directive name.
8662 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8663 Handle OMP_MASTER and OMP_ORDERED.
8664 Handle printing of OMP_BODY just in one place, goto
8665 dump_omp_body in the rest of OMP_* nodes that have
8667 Don't handle clause nodes here. Update omp statements to
8668 use dump_omp_clauses.
8669 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8670 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8671 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8672 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8673 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8674 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8675 Adjust output for GOMP_PARALLEL.
8676 (dump_omp_clauses): New.
8677 (print_declaration): Dump DECL_VALUE_EXPR.
8678 (op_symbol_1): Split out of op_symbol.
8679 (dumping_stmts): Remove. Update all users.
8680 * cgraph.c (cgraph_analyze_queue): New.
8681 (cgraph_add_new_function): New.
8682 * cgraph.h (cgraph_analyze_queue): Declare.
8683 (cgraph_add_new_function): Declare.
8684 (cgraph_lower_function): Remove.
8685 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8686 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8687 and TYPE_P nodes in its default clause.
8688 (empty_body_p): New.
8689 (tree_range_check_failed): New.
8691 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8692 OMP_CLAUSE_REDUCTION_MERGE,
8693 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8694 OMP_CLAUSE_PRIVATE_DEBUG,
8695 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8696 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8697 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8698 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8699 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8700 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8701 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8702 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8703 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8704 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8705 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8706 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8707 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8708 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8709 (TREE_RANGE_CHECK): New.
8710 (empty_body_p): Declare.
8711 (enum omp_clause_default_kind): New.
8712 (build_string_literal): Declare.
8713 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8714 (build5_stat, build5): Declare.
8715 * tree-pass.h (TDF_CHAIN): Define.
8716 * tree-pass.h (PROP_gimple_lomp): Define.
8717 (pass_lower_omp): Declare.
8718 * diagnostic.h (debug_tree_chain): Declare.
8719 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8721 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8722 * builtins.c (build_string_literal): Make extern.
8723 * gcc.c (include_spec_function): New.
8724 (static_spec_functions): Add it.
8725 (main): Move load of libgomp.spec ...
8726 (LINK_COMMAND_SPEC): ... here.
8727 (link_gomp_spec): New.
8728 (static_specs): Include it.
8729 (LINK_COMMAND_SPEC): Add link_gomp.
8730 (GOMP_SELF_SPECS): New.
8731 (driver_self_specs): Include it.
8732 (switch_matches): Don't mark inline.
8733 (main): Load libgomp.spec.
8734 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8735 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8736 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8737 * tree-gimple.h (enum omp_parallel): Declare.
8738 (determine_parallel_type): Declare.
8739 (omp_firstprivatize_variable): Declare.
8740 (omp_reduction_init): Declare.
8741 (diagnose_omp_structured_block_errors): Declare.
8742 (struct walk_stmt_info): Add want_return_expr.
8743 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8744 (find_omp_clause): Declare.
8745 (insert_field_into_struct): Declare.
8746 (struct walk_stmt_info): Move from tree-nested.c
8747 (walk_stmts): Declare.
8748 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8750 * cgraphunit.c (cgraph_lower_function): Make static.
8751 (cgraph_finalize_pending_functions): New.
8752 (cgraph_finalize_function): Call it.
8753 (cgraph_finalize_compilation_unit): Likewise.
8754 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8755 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8756 (BT_FN_UINT_UINT): New.
8757 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8758 DEF_FUNCTION_TYPE_VAR_4): Document.
8759 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8760 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8761 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8762 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8763 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8764 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8765 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8766 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8767 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8768 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8769 into separate files.
8770 (DEF_GOMP_BUILTIN): New.
8771 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8772 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8773 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8774 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8775 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8776 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8777 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8778 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8779 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8780 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8781 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8782 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8783 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8784 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8785 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8786 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8787 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8788 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8789 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8790 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8791 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8792 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8793 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8794 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8795 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8796 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8797 * sync-builtins.def: New file, moved from builtins.def.
8798 * omp-builtins.def: New file, moved from builtins.def.
8799 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8800 * gimple-low.c (lower_function_body): Clear data.
8801 (lower_stmt): Do not handle COMPOUND_EXPR.
8802 Remove call to print_node_brief.
8803 * c-tree.h (c_finish_omp_clauses): New prototype.
8804 (C_DECL_THREADPRIVATE_P): Define.
8805 (lookup_name_no_remap, c_omp_remap_private): Remove
8806 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8807 (check_for_loop_decls): Update decl.
8808 (lookup_name_no_remap, c_omp_remap_private): Declare.
8809 (build_indirect_ref, build_modify_expr, pushdecl,
8810 pushdecl_top_level): Move to c-common.h.
8811 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8812 before the switch, but just in the 2 places that need it.
8813 * c-decl.c (diagnose_mismatched_decls): Do not check for
8814 mismatched thread-local attributes when OLDDECL is marked
8815 threadprivate and NEWDECL has no thread-local attributes.
8816 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8817 (c_gimple_diagnostics_recursively): Rename from
8818 c_warn_unused_result_recursively. Invoke
8819 diagnose_omp_structured_block_errors.
8820 (check_for_loop_decls): Return a singular decl found.
8821 * langhooks.c (lhd_omp_predetermined_sharing): Return
8822 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8823 (lhd_omp_firstprivatize_type_sizes): New.
8824 (lhd_omp_assignment): New.
8825 (lhd_omp_predetermined_sharing): New.
8826 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8827 (struct lang_hooks_for_types): Add
8828 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8829 omp_predetermined_sharing, omp_disregard_value_expr,
8830 omp_private_debug_clause, omp_clause_default_ctor,
8831 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8832 (c_finish_omp_clauses): New.
8833 (c_finish_bc_stmt): Diagnose break within omp for.
8834 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8835 (build_unary_op): Return error_mark after reporting
8837 (build_modify_expr): Likewise.
8838 * gimplify.c: Include optabs.h and pointer-set.h.
8839 (enum gimplify_omp_var_data): Declare.
8840 (struct gimplify_omp_ctx): Declare.
8841 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8843 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8844 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8845 (splay_tree_compare_decl_uid): New.
8846 (new_omp_context): New.
8847 (delete_omp_context): New.
8848 (gimple_add_tmp_var): Call omp_add_variable.
8849 (gimplify_bind_expr): Likewise.
8850 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8851 true, disregard DECL_VALUE_EXPR on the decl if any.
8852 (gimplify_expr_in_ctx): New.
8853 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8854 omp_add_variable, omp_notice_variable, omp_is_private
8855 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8856 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8857 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8858 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8859 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8860 gimplify_omp_atomic): New.
8861 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8862 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8863 OMP_CRITICAL and OMP_ATOMIC.
8864 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8865 * c-pragma.h (enum pragma_kind): Add
8866 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8867 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8868 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8869 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8870 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8871 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8872 PRAGMA_OMP_THREADPRIVATE.
8873 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8874 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8875 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8876 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8877 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8878 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8879 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8880 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8881 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8882 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8883 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8884 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8885 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8887 (struct nesting_info): Add field_map,
8888 suppress_expansion, debug_var_chain.
8889 (create_nesting_tree): Initialize them.
8890 (lookup_field_for_decl): Use field_map.
8891 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8892 (convert_local_omp_clauses): New.
8893 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8894 (walk_body): Split out of walk_function.
8895 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8896 (convert_nonlocal_reference): Handle omp statements.
8897 (convert_local_reference): Likewise.
8898 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8899 (unnest_nesting_tree): New.
8900 (lower_nested_functions): Call it.
8901 (insert_field_into_struct): Make extern.
8902 (struct walk_stmt_info): Move to tree-gimple.h.
8903 (walk_stmts): Make extern.
8904 * omp-builtins.def: New file.
8905 * tree-iterator.c (expr_only): Clarify comment.
8906 * c-common.h (pushdecl_top_level, pushdecl,
8907 build_modify_expr, build_indirect_ref,
8908 c_finish_omp_master, c_finish_omp_critical,
8909 c_finish_omp_ordered, c_finish_omp_barrier,
8910 c_finish_omp_atomic, c_finish_omp_flush,
8911 c_finish_omp_for, c_split_parallel_clauses,
8912 omp_clause_default_kind, c_omp_sharing_predetermined,
8913 c_omp_remap_decl): Declare.
8914 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8915 (OBJS-common): Add omp-low.o.
8916 (c-omp.o, omp-low.o): Add.
8917 (gimplify.o): Add dependency on $(OPTABS_H).
8918 (GTFILES): Add omp-low.c.
8919 (gt-stringpool.h): Add.
8920 * tree-cfg.c (set_bb_for_stmt): Do not update the
8921 block-to-labels map if we are currently expanding to RTL.
8922 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8924 Handle IDENTIFIER_NODE.
8925 (tree_verify_flow_info): Do not ICE when emitting error
8926 messages about invalid labels.
8927 (dump_function_to_file): Reset CFUN before emitting the body
8929 (debug_function): New.
8930 * passes.c (init_optimization_passes): Schedule
8932 * langhooks-def.h (lhd_omp_predetermined_sharing,
8933 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8935 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8936 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8937 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8938 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8939 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8940 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8941 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8942 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8943 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8944 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8945 (LANG_HOOK_DECLS): Use them.
8947 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8948 Richard Henderson <rth@redhat.com>
8949 Jakub Jelinek <jakub@redhat.com>
8950 Diego Novillo <dnovillo@redhat.com>
8952 * c-parser.c (pragma_omp_clause): Define.
8953 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8954 (c_parser_compound_statement): Likewise.
8955 (c_parser_statement): Likewise.
8956 (c_parser_pragma): Handle omp pragmas.
8957 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8958 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8959 (c_parser_omp_clause_name, check_no_duplicate_clause,
8960 c_parser_omp_variable_list,
8961 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8962 c_parser_omp_clause_copyprivate,
8963 c_parser_omp_clause_default,
8964 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8965 c_parser_omp_clause_lastprivate,
8966 c_parser_omp_clause_nowait,
8967 c_parser_omp_clause_num_threads,
8968 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8969 c_parser_omp_clause_reduction,
8970 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8971 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8972 c_parser_omp_atomic, c_parser_omp_barrier,
8973 c_parser_omp_critical, c_parser_omp_flush,
8974 c_parser_omp_for_loop, c_parser_omp_for,
8975 c_parser_omp_master, c_parser_omp_ordered,
8976 c_parser_omp_sections_scope, c_parser_omp_sections,
8977 c_parser_omp_parallel, c_parser_omp_single,
8978 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8979 * c-pragma.c (init_pragma): Do omp pragma registration here.
8980 * c.opt (fopenmp): New flag.
8982 2006-01-18 Eric Christopher <echristo@apple.com>
8984 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8985 * config/darwin.h (GOMP_SELF_SPECS): Define.
8987 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8989 * rtl.h: Remove the prototype for reg_alloc.
8991 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8994 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8995 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8996 sjlj and dwarf2 exception handling.
8997 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8998 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8999 * pa/pa.c (function_value): Treat complex and vector types as
9001 (function_arg): Likewise. Only pass scalar floats in the floating
9002 point argument registers.
9003 * pa/t-slibgcc-dwarf-ver: New file.
9004 * pa/t-slibgcc-sjlj-ver: New file.
9005 * pa/t-slibgcc-elf-ver: Delete file.
9007 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9009 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9010 unlikely_test_section_p test.
9012 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9014 * mode-switching.c (optimize_mode_switching): Make it static.
9015 * basic-block.h: Remove the prototype for
9016 optimize_mode_switching.
9018 * modulo-sched.c (sms_schedule): Make it static.
9019 * rtl.h: Remove the prototype for sms_schedule.
9021 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9022 * rtl.h: Remove the prototype for gcse_after_reload_main.
9024 * reg-stack.c (reg_to_stack): Make it static.
9025 * rtl.h: Remove the prototype for reg_to_stack.
9027 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9029 * rtl.h: Remove the prototypes for regrename_optimize and
9030 copyprop_hardreg_forward.
9032 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9034 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9035 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9036 Test against the appropriate null constant for the mode.
9037 If 'fixup_overlap' is true, swap the operands if they overlap.
9038 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9039 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9040 alpha_split_tmode_pair and adjust for above change.
9041 * config/alpha/alpha.md (movtf_internal): Adjust call to
9042 alpha_split_tfmode_pair and rely on it to swap the operands.
9043 (movti_internal): New insn and post-reload splitter.
9044 (movti): New expander.
9046 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9048 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9051 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9053 * rtlanal.c (global_reg_mentioned_p_1,
9054 global_reg_mentioned_p): Remove.
9055 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9057 * flow.c (initialize_uninitialized_subregs): Make it static.
9058 * rtl.h: Remove the prototype for
9059 initialize_uninitialized_subregs.
9061 * function.c (instantiate_virtual_regs): Make it static.
9062 * function.h: Remove the prototype for
9063 instantiate_virtual_regs.
9065 * regmove.c (regmove_optimize, combine_stack_adjustments):
9067 * rtl.h: Remove the prototypes for regmove_optimize and
9068 combine_stack_adjustments.
9070 2006-01-17 Roger Sayle <roger@eyesopen.com>
9072 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9073 (size_cost): Encode costs in bytes so that a reg-reg addition is
9074 equivalent to COSTS_N_INSNS(1).
9075 (override_options): Use the size_cost.branch_cost as the default
9076 ix86_branch_cost when optimizing for size.
9078 2006-01-18 Ben Elliston <bje@au.ibm.com>
9080 * Makefile.in (D32PBIT_FUNCS): New.
9081 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9082 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9083 D64PBIT_FUNCS and D128PBIT_FUNCS.
9084 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9085 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9087 (decnumber_dep): Define.
9088 * doc/libgcc.texi (Decimal float library routines): New node.
9089 * config/dfp-bit.h, config/dfp-bit.c: New files.
9091 2006-01-18 Ben Elliston <bje@au.ibm.com>
9093 * expr.c (emit_move_change_mode): Always adjust addresses, not
9094 just during reload. Copy replacements only during reload.
9095 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9096 emit_move_via_integer.
9098 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9100 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9101 instead of $(srcdir) and ${srcdir}.
9103 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9107 * arm.h (struct machine_function): Add pic_reg.
9108 * arm.c (arm_pic_register): Make unsigned.
9109 (arm_override_options): Only set arm_pic_register if
9110 TARGET_SINGLE_PIC_BASE.
9111 (use_return_insn): Only test for a pic register if it is fixed.
9112 (arm_compute_save_reg0_reg12_mask): Likewise.
9113 (thumb_compute_save_reg_mask): Likewise.
9114 (legitimate_pic_operand): Factor out some known invariants.
9115 (legitimize_pic_address): If we don't have a fixed pic register,
9116 then set up a pseudo in the function entry sequence. Handle the
9117 pic base being in a pseudo.
9118 (arm_load_pic_register): Handle the pic register being in a pseudo.
9119 (arm_expand_prologue): Only set up the pic register if it is fixed.
9120 (thumb_expand_prologue): Likewise.
9121 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9122 (pic_load_addr_based_insn): Likewise.
9123 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9126 2006-01-18 Ben Elliston <bje@au.ibm.com>
9128 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9129 decimal float modes for all floating point registers.
9131 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9132 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9134 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9137 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9138 even when the pointer is not NULL.
9140 2006-01-16 Ian Lance Taylor <ian@airs.com>
9142 * common.opt (ftoplevel-reorder): New option.
9143 * cgraph.c (cgraph_asm_nodes): New global variable.
9144 (cgraph_asm_last_node): New static variable.
9145 (cgraph_order): New global variable.
9146 (cgraph_create_node): Set new order field.
9147 (cgraph_varpool_node): Likewise.
9148 (decide_is_variable_needed): Return true if not
9149 flag_toplevel_reorder.
9150 (cgraph_add_asm_node): New function.
9151 * cgraph.h (struct cgraph_node): Add order field.
9152 (struct cgraph_varpool_node): Add order field.
9153 (struct cgraph_asm_node): Define.
9154 (cgraph_asm_nodes, cgraph_order): Declare.
9155 (cgraph_add_asm_node): Declare.
9156 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9158 (cgraph_varpool_assemble_pending_decls): Call it.
9159 (cgraph_output_pending_asms): New static function.
9160 (cgraph_finalize_compilation_unit): Call it.
9161 (struct cgraph_order_sort): Define.
9162 (cgraph_output_in_order): New static function.
9163 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9164 !flag_toplevel_reorder case.
9165 * c-parser.c: Include "cgraph.h".
9166 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9168 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9169 than -fno-unit-at-a-time.
9170 * doc/invoke.texi (Option Summary): Mention
9171 -fno-toplevel-reorder.
9172 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9173 -funit-at-a-time documentation.
9175 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9176 Kazu Hirata <kazu@codesourcery.com>
9178 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9180 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9182 * Makefile.in (FUNCTION_H): New. Use it instead of
9183 function.h throughout the file.
9184 * function.h: Include tree.h.
9186 2006-01-17 Ben Elliston <bje@au.ibm.com>
9188 * recog.c: Separate some functions with whitespace.
9190 2006-01-16 Richard Henderson <rth@redhat.com>
9192 Merge from gomp branch:
9193 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9194 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9195 and rename from struct inline_data. Rename callee* to dst*;
9196 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9197 transform_new_cfg, transform_return_to_modify, and
9198 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9200 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9201 (copy_decl_for_dup): Remove.
9202 * tree-inline.c (struct inline_data): Move to header.
9203 (insert_decl_map): Export.
9204 (remap_decl): Update for member name changes. Use copy_decl hook.
9205 Allow for replacement to be a non-decl. Remove dead code.
9206 (remap_type_1): Check for existing mapping.
9207 (remap_type): Export.
9208 (remap_decls): Update for member name changes.
9209 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9210 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9211 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9212 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9213 (tree_function_versioning, build_duplicate_type): Likewise.
9214 (copy_body_r): Likewise. Export.
9215 (copy_decl_for_dup): Split into ...
9216 (copy_decl_for_dup_finish, copy_decl_to_var,
9217 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9218 (replace_ref_tree, inlining_p): Remove.
9220 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9222 * ifcvt.c (if_convert): Make it static.
9223 * rtl.h: Remove the prototype for if_convert.
9225 * local-alloc.c (local_alloc): Make it static.
9226 * rtl.h: Remove the prototype for local_alloc.
9228 * loop.c (loop_optimize): Make it static.
9229 * cfgloop.h: Remove the prototype for loop_optimize.
9232 2006-01-16 DJ Delorie <dj@redhat.com>
9234 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9237 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9239 * pa.md: Disparage copies between general and floating-point registers
9240 in 32-bit move patterns.
9242 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9245 * Makefile.in (check-%): Depend on site.exp instead of
9246 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9249 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9251 * global.c (global_alloc): Make it static.
9252 * rtl.h: Remove the prototype for global_alloc.
9254 2006-01-16 Richard Guenther <rguenther@suse.de>
9256 * tree-ssa-alias.c (struct used_part): Add write_only field.
9257 (get_or_create_used_part_for): Initialize it to true.
9258 (create_overlap_variables_for): Don't create structure variables
9259 for structures that only are written to.
9260 (find_used_portions): Handle MODIFY_EXPR to track whether a
9261 structure is only written to.
9263 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9265 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9267 * basic-block.h: Remove the prototype for
9268 partition_hot_cold_basic_blocks.
9270 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9272 * cppspec.c (lang_specific_spec_functions): Remove.
9273 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9274 * gcc.h (lang_specific_spec_functions): Remove.
9275 * gccspec.c (lang_specific_spec_functions): Remove.
9277 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9279 * combine.c (record_value_for_reg): Invalidate registers
9281 (record_dead_and_set_regs_1): Likewise, by passing them to
9282 record_value_for_reg.
9283 (record_dead_and_set_regs): Invalidate stores made by a
9284 call. We do not combine across a call, but we still
9285 relied on equivalences.
9287 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9289 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9290 vrp_int_const_binop returning non-constant nodes.
9292 2006-01-16 Paul Brook <paul@codesourcery.com>
9294 * config/m68k/m68k.c (output_move_const_into_data_reg):
9295 Output correct mnemonic for mvz and mvs.
9297 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9299 * rtl-factoring.c: Add sequence abstraction algorithm.
9300 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9301 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9303 (block_has_preserve_label): New function.
9304 * common.opt: Register new pass.
9305 * Makefile.in: Ditto.
9307 * timevar.def: Ditto.
9308 * tree-pass.h: Ditto.
9309 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9310 * rtl.h (make_jump_insn_raw): Add forward decl.
9311 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9313 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9314 Roger Sayle <roger@eyesopen.com>
9316 * fold-const.c (fold_minmax): New static function.
9317 (fold_binary) <MIN_EXPR>: Call it.
9318 <MAX_EXPR>: Likewise.
9319 * stor-layout.c (place_field): Use DECL_SIZE consistently
9320 in the computation of the new record size.
9322 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9324 * cse.c (cse_condition_code_reg): Make it static.
9325 * rtl.h: Remove the prototype for cse_condition_code_reg.
9327 * combine.c (combine_instructions): Make it static.
9328 * rtl.h: Remove the prototype for combine_instructions.
9330 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9333 * tree.c (get_file_function_name_long): Concatenate the first global
9334 object name with a string derived from the input filename of the object
9337 2006-01-16 Ben Elliston <bje@au.ibm.com>
9339 * config/i386/winnt-stubs.c: Update FSF address.
9340 * config/xtensa/ieee754-df.S: Ditto.
9341 * config/xtensa/ieee754-sf.S: Ditto.
9343 2006-01-14 Ian Lance Taylor <ian@airs.com>
9345 * ifcvt.c (noce_init_if_info): New static function, broken out of
9346 noce_process_if_block.
9347 (noce_process_if_block): Call noce_init_if_info.
9348 (check_cond_move_block): New static function.
9349 (cond_move_process_if_block): New static function.
9350 (process_if_block): Call cond_move_process_if_block.
9352 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9354 * cselib.c (hash_table): Rename to cselib_hash_table.
9355 (cselib_clear_table, discard_useless_values,
9356 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9357 cselib_init, cselib_finish): Adjust uses of hash_table.
9359 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9361 PR tree-optimization/25485
9362 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9363 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9364 is known to be false and true, respectively.
9366 2006-01-14 Richard Guenther <rguenther@suse.de>
9368 PR tree-optimization/22548
9369 PR tree-optimization/22555
9370 PR tree-optimization/22501
9371 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9372 * params.def (salias-max-array-elements): New parameter.
9373 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9374 * doc/invoke.texi (salias-max-array-elements): Document.
9375 * tree-flow-inline.h (var_can_have_subvars): We also handle
9377 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9379 * tree-ssa-structalias.c (params.h): Include.
9380 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9381 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9382 (get_constraint_for): For ADDR_EXPR operating on something
9383 containing an ARRAY_REF, add all subvars to the solution.
9384 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9385 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9386 for creating MUST_DEFs.
9387 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9389 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9391 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9393 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9394 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9395 number_of_iterations_le): New functions.
9396 (number_of_iterations_special): Removed.
9397 (number_of_iterations_exit): Do not use number_of_iterations_special.
9398 * tree.c (unsigned_type_for): Always return integer type.
9400 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9401 Richard Guenther <rguenther@suse.de>
9403 PR rtl-optimization/24257
9404 * gcse.c (find_moveable_store): Only consider a store movable
9405 when the SET_SRC of the insn can be assigned to a register.
9407 2006-01-14 Ian Lance Taylor <ian@airs.com>
9409 * tree.c (tree_not_class_check_failed): New function.
9410 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9411 (tree_not_class_check_failed): Declare.
9413 2006-01-13 Ian Lance Taylor <ian@airs.com>
9415 * reload1.c (do_output_reload): Add assertion rejecting a
9418 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9420 * combine.c (struct reg_stat): Add new fields truncation_label and
9422 (record_value_for_reg): Reset truncated_to_mode.
9423 (record_truncated_value): New function.
9424 (check_promoted_subreg): Call it. Rename to check_conversions.
9425 (combine_instructions): Rename check_promoted_subreg to
9427 (reg_truncated_to_mode): New function.
9428 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9429 (gen_lowpart_or_truncate): New function.
9430 (force_to_mode): Use it instead of gen_lowpart.
9432 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9434 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9435 VAR is a tag, not its type tag.
9437 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9439 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9440 alternatives to match style of other entries.
9441 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9443 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9445 PR tree-optimization/25771
9446 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9449 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9452 * tree-inline.c (declare_return_variable): If the return variable
9453 was marked as a non gimple complex, set the return slot variable
9454 to be a non gimple comple variable.
9456 2006-01-13 Richard Guenther <rguenther@suse.de>
9458 * builtins.c (expand_builtin_sincos): New function.
9459 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9461 (expand_builtin): Expand sincos using expand_builtin_sincos.
9463 2006-01-12 DJ Delorie <dj@redhat.com>
9465 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9466 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9467 so that constant shifts can be split.
9468 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9469 (m32c_valid_pointer_mode): Make static.
9470 (shift_gen_func_for): New.
9471 (m32c_prepare_shift): Use it. Split large const shifts into
9473 * config/m32c/predicates.md (shiftcount_operand): Allow more
9475 (longshiftcount_operand): New.
9476 * doc/md.texi (Machine Constraints): Document In6.
9478 2006-01-13 Ben Elliston <bje@au.ibm.com>
9480 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9481 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9484 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9486 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9487 to try to avoid clobbering pieces of structures when we know
9488 something about the whole structure.
9489 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9491 2006-01-13 Ben Elliston <bje@au.ibm.com>
9493 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9494 return in memory, as this is no limitation is no longer present.
9496 2006-01-12 DJ Delorie <dj@redhat.com>
9498 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9499 mova with fb, and for fb+0 -> An.
9501 * config/m32c/mov.md (peephole2): Fix enabling logic.
9503 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9504 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9505 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9506 FINI_ARRAY_SECTION_ASM_OP): Define.
9508 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9510 (m32c_legitimize_reload_address): New logic to reload FB to An.
9511 (m32c_output_reg_push): Add newline.
9512 (m32c_output_reg_pop): Likewise.
9514 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9516 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9518 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9520 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9522 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9524 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9527 2006-01-11 Ben Elliston <bje@au.ibm.com>
9529 * rtlanal.c (find_reg_note): Assert insn is not null.
9531 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9533 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9536 2006-01-11 Jeff Law <law@redhat.com>
9538 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9540 (mark_threaded_blocks, register_jump_thread): New functions.
9541 (thread_through_all_blocks): Remove unwanted argument. No
9542 longer rely on e->aux to communicate thread target info.
9543 Call mark_threaded_blocks. Release the threaded_blocks
9544 bitmap and threaded_edges vector when complete.
9545 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9546 (threaded_blocks): Remove.
9547 (tree_ssa_dominator_optimize): Remove initialization and
9548 finalization of threaded_blocks. Simplify call to
9549 thread_through_all_blocks.
9550 (thread_across_edge): Call register_jump_thread rather than
9551 storing thread information into e->aux.
9552 (free_all_edge_infos): Simplify now that e->aux is no longer
9553 used to communicate with thread_through_all_blocks.
9554 * tree-flow.h (thread_through_all_blocks): Update prototype.
9555 (register_jump_thread): Prototype.
9557 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9559 * df-core.c (df_compact_blocks, df_bb_replace): Use
9560 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9562 2006-01-11 Richard Guenther <rguenther@suse.de>
9564 PR tree-optimization/25734
9565 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9566 stop propagation after successful propagation to the LHS.
9568 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9570 * basic-block.h (control_flow_graph): Change the type of
9571 x_basic_block_info to VEC(basic_block,gc) *.
9572 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9574 (SET_BASIC_BLOCK): New.
9575 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9576 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9577 * cfgbuild.c (find_basic_blocks): Likewise.
9578 * cfglayout.c (fixup_reorder_chain): Likewise.
9579 * cfgrtl.c (create_basic_block_structure,
9580 rtl_create_basic_block): Likewise.
9581 * ifcvt.c (find_if_case_1): Likewise.
9582 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9585 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9587 * Makefile.in: Removed rotted odf.c entry.
9589 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9592 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9593 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9594 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9595 output pattern modifier, not %e.
9596 * config/cris/cris.c (cris_op_str): Update comment about pattern
9598 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9599 before falling through into...
9600 <case 'E'>: Redefined from old 'e' case.
9602 2006-01-11 Jan Hubicka <jh@suse.cz>
9605 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9607 2006-01-11 Jan Hubicka <jh@suse.cz>
9609 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9610 * i386.c (x86_decompose_lea): Kill.
9611 (ix86_rtx_costs): Kill.
9613 2006-01-11 Jan Hubicka <jh@suse.cz>
9615 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9616 * cgraph.h (cgraph_node): Add inline_decl.
9617 (cgraph_insert_node_to_hashtable): Declare.
9618 (save_inline_function_body): Declare.
9619 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9621 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9622 (cgraph_function_versioning): Update call of tree_function_versioning.
9623 (save_inline_function_body): New function.
9624 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9625 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9626 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9627 (cgraph_default_inline_p): Likewise.
9628 (cgraph_decide_inlining_incrementally): Likewise.
9629 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9630 (copy_bb): Kill saving; do updating of clones.
9631 (copy_cfg_body): Kill saving.
9632 (initialize_inlined-parameters): Likewise.
9633 (expand_call_inline): Likewise.
9635 (tree_function_versioning): New parameter "update_clones".
9636 (inlining_p): Kill saving.
9637 * tree-inline.h (tree_function_versioning): Update prototype.
9638 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9641 2006-01-11 Ian Lance Taylor <ian@airs.com>
9643 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9644 Allow undoing set of machine mode.
9645 (do_SUBST): Use enums instead of is_int.
9646 (do_SUBST_MODE): New function.
9647 (SUBST_MODE): New macro.
9648 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9649 reg and trying to replace reg_regno_rtx with a new register.
9650 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9651 (simplify_set): Use SUBST_MODE.
9652 (distribute_notes): Remove code that tried to update reg notes
9653 for regno_reg_rtx changes.
9655 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9657 PR tree-optimization/23109
9658 PR tree-optimization/23948
9659 PR tree-optimization/24123
9661 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9662 * tree-cfg.c (single_noncomplex_succ): New.
9663 * tree-flow.h (single_noncomplex_succ): Declare it.
9664 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9665 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9666 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9667 insert_bb, register_division_in, insert_reciprocals,
9668 replace_reciprocal, free_bb): New.
9669 (execute_cse_reciprocals_1): Rewritten.
9670 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9671 Do not commit any edge insertion. Always compute dominators and
9672 create the allocation pool.
9673 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9674 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9675 * targhooks.c (default_min_divistions_for_recip_mul): New.
9676 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9677 * passes.c (init_optimization_passes): Run recip after tree loop
9679 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9681 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9682 Kenneth Zadeck <zadeck@naturalbridge.com>
9684 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9685 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9686 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9687 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9688 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9689 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9690 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9691 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9692 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9693 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9694 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9695 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9696 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9697 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9698 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9699 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9700 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9701 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9702 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9703 DF_SCAN_POST_ALLOC): New macros.
9704 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9705 df_free_bb_function, df_local_compute_function, df_init_function,
9706 df_dataflow_function, df_confluence_function_0,
9707 df_confluence_function_n, df_transfer_function,
9708 df_finalizer_function, df_free_function, df_dump_problem_function,
9709 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9710 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9711 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9712 df_urec_bb_info, ) New types.
9713 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9715 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9716 df_analyze_simple_change_some_blocks,
9717 df_analyze_simple_change_one_block, df_compact_blocks,
9718 df_bb_replace, df_bb_regno_last_use_find,
9719 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9720 df_insn_regno_def_p, df_find_def, df_find_use,
9721 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9722 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9723 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9724 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9725 debug_df_chain, df_get_dependent_problem, df_chain_create,
9726 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9727 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9728 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9729 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9730 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9731 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9732 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9733 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9734 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9735 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9736 df_reorganize_refs, df_set_state, df_hard_reg_init,
9737 df_read_modify_subreg_p) New public functions.
9738 * df-core.c: The core dataflow solver and glue routines for rtl
9740 (df_init, df_add_problem, df_set_blocks, df_finish,
9741 df_hybrid_search_forward, df_hybrid_search_backward,
9742 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9743 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9744 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9745 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9746 df_reg_defined, df_find_use, df_reg_used, df_dump,
9747 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9748 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9749 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9750 debug_df_useno, reset_df_after_reload): New functions.
9751 * df-scan.c: The scanning fuctions, once in df.c, completely
9752 rewritten so that they now fully model the functionality of
9753 register usage at the backend.
9754 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9755 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9756 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9757 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9758 df_get_artificial_defs, df_get_artificial_uses,
9759 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9760 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9761 df_refs_delete, df_reorganize_refs, df_set_state,
9762 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9763 df_def_record_1, df_defs_record, df_uses_record,
9764 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9765 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9766 df_record_exit_block_uses, df_hard_reg_init): New functions.
9768 * df-problems.c: Seven concrete dataflow problems that use the
9769 scanning in df-scan.c and are solved by the engine in df-core.c.
9770 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9771 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9772 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9773 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9774 df_ru_free_bb_info, df_ru_alloc,
9775 df_ru_bb_local_compute_process_def,
9776 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9777 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9778 df_ru_transfer_function, df_ru_free, df_ru_dump,
9779 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9780 df_rd_free_bb_info, df_rd_alloc,
9781 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9782 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9783 df_rd_transfer_function, df_rd_free, df_rd_dump,
9784 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9785 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9786 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9787 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9788 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9789 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9790 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9791 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9792 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9793 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9794 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9795 df_urec_mark_reg_use_for_earlyclobber,
9796 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9797 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9798 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9799 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9800 df_chain_create_bb_process_use, df_chain_create_bb,
9801 df_chain_finalize, df_chain_free, df_chains_dump,
9802 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9803 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9804 df_reg_lifetime): New functions.
9805 * df.c: Deleted file.
9806 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9807 consistent with new df api.
9808 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9809 rest_of_handle_sms): Ditto.
9810 * web.c (unionfind_union, union_defs, entry_register, web_main):
9812 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9813 invariant_expr_equal_p, find_defs, check_dependencies,
9814 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9815 free_inv_motion_data, move_loop_invariants): Ditto.
9816 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9817 Update dependencies.
9818 (odf.c): Added defective entry that was deleted later in day.
9819 * sched-deps.c (sched_analyze_1): Ditto.
9821 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9823 * tree-ssa-operands.c (get_expr_operands): Record addressable
9824 variables directly. Do not call add_stmt_operands for CONST_DECLs
9826 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9827 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9829 2006-01-11 Ben Elliston <bje@au.ibm.com>
9831 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9832 function returns true in the positive case.
9834 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9837 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9838 for SI, DI, SF and DF modes. Add alternatives to copy between
9839 general and floating point registers to the 32-bit patterns.
9840 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9841 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9842 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9843 generating 64-bit code.
9844 * config/pa/pa.c (output_move_double): Handle copies between general
9845 and floating registers.
9847 2006-01-10 Stuart Hastings <stuart@apple.com>
9849 * config/i386/i386.md (set_got): Update.
9850 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9851 (builtin_setjmp_receiver): Mach-O support.
9852 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9853 (GOT_SYMBOL_NAME): Define.
9854 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9855 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9856 * config/i386/i386.c (override_options): Revise for Darwin.
9857 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9858 support. (darwin_x86_file_end): New. (output_set_got): Add label
9859 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9860 * config/i386/i386-protos.h (output_set_got): Likewise.
9861 * config/darwin.c (machopic_legitimize_pic_address): Update
9864 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9866 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9867 when MODE isn't BLKmode.
9869 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9871 PR rtl-optimization/25367
9872 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9874 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9877 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9878 for a negative bound.
9880 2006-01-10 Richard Guenther <rguenther@suse.de>
9882 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9883 Never override with anything constraint.
9885 2006-01-10 Jan Beulich <jbeulich@novell.com>
9887 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9888 256 bits when optimize_size.
9890 2006-01-10 Jan Beulich <jbeulich@novell.com>
9892 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9894 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9895 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9898 2006-01-10 Ben Elliston <bje@au.ibm.com>
9900 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9902 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9903 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9904 (USE_FP_FOR_ARG): Reject decimal float modes.
9905 (function_arg_advance): Likewise.
9906 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9907 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9908 point types in AltiVec vectors.
9909 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9910 (rs6000_libcall_value): Likewise.
9912 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9914 * config/xtensa/ieee754-df.S: New file.
9915 * config/xtensa/ieee754-sf.S: New file.
9916 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9917 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9918 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9920 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9922 * config/sh/predicates.md (binary_float_operator,
9923 binary_logical_operator, commutative_float_operator,
9924 equality_comparison_operator, greater_comparison_operator,
9925 less_comparison_operator, logical_operator,
9926 noncommutative_float_operator, shift_operator,
9927 symbol_ref_operand, unary_float_operator): Remove redundant
9930 2006-01-09 Jeff Law <law@redhat.com>
9932 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9933 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9934 now unused arguments. Callers updated.
9935 (eliminate_redundant_computations): Remove now unused arguments,
9937 (local_fold): Remove, no longer used.
9938 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9940 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9941 (simplify_cond): New function.
9942 (forward_propagate_into_cond): Call simplify_cond.
9944 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9946 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9947 (*vec_extractv2di_1_sse): New.
9949 2006-01-09 Ben Elliston <bje@au.ibm.com>
9951 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9953 2006-01-08 Richard Guenther <rguenther@suse.de>
9955 * tree-ssa-structalias.c (get_constraint_for): Remove
9957 (get_constraint_for_component_ref): Likewise.
9958 (do_deref): Likewise.
9959 (get_constraint_for): Likewise.
9960 (do_structure_copy): Likewise.
9961 (handle_ptr_arith): Likewise.
9962 (find_func_aliases): Likewise. Remove unused need_anyoffset
9965 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9966 Kaz Kojima <kkojima@gcc.gnu.org>
9968 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9969 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9970 (EXTRA_CONSTRAINT_C16): Remove.
9971 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9972 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9973 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9974 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9975 constants of SHmedia. Handle nested constant expressions of
9977 (andcosts): Fix the costs for SHmedia constants.
9978 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9979 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9980 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9981 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9982 (movv4hi_i, movv2si_i): Likewise.
9983 (movsi_const): Adjust the second operand of ior so to match with
9985 (movdi_const, movdi_const_32bit): Likewise.
9986 (movdi_const_16bit+1): Don't sign-extend LOW.
9987 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9989 (*double_shori): Fix the split condition. Use GEN_INT instead
9990 of get_int_mode calls. Mask lower 16-bit of the argument of
9992 (sym2GOTPLT): Remove.
9993 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9995 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9996 instead of EXTRA_CONSTRAINT_C16.
9998 2006-01-07 Ian Lance Taylor <ian@airs.com>
9999 David Edelsohn <edelsohn@gnu.org>
10001 PR rtl-optimization/25662
10002 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10003 for constant operands instead of simplify_gen_binary.
10004 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10005 after trying simplify_binary_operation
10007 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10009 * tree.c (iterative_hash_expr): Hash decls based on UID.
10011 2006-01-06 Eric Christopher <echristo@apple.com>
10013 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10014 (TARGET_UNWIND_EMIT): Fix spelling.
10015 * target.h (gcc_target): Add except_table_label.
10016 * except.c (output_function_exception_table): Use.
10017 * varasm.c (default_emit_except_table_label): New.
10018 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10020 (asm_out): Add here.
10021 * output.h (default_emit_except_table_label): Prototype.
10022 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10023 * config/darwin.c (darwin_emit_except_table_label): Define.
10024 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10026 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10028 PR tree-optimization/18527
10029 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10030 number_of_iterations_special, number_of_iterations_exit):
10031 Move base and step of an iv to a single structure. Add
10032 no_overflow flag, and use it in # of iterations analysis.
10033 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10034 folded_casts argument.
10035 (simple_iv): Pass base and step in a structure. Set no_overflow
10037 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10038 Evaluate expensiveness of computing # of iterations instead of
10039 the final expression.
10040 * tree-scalar-evolution.h (affine_iv): New structure.
10041 (simple_iv): Declaration changed.
10042 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10043 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10044 find_givs_in_stmt): Changed due to simple_iv change.
10046 2006-01-06 Jeff Law <law@redhat.com>
10049 * tree-cfg.c (bsi_replace): Rename final argument from
10050 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10051 change (stmt -> orig_stmt).
10052 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10053 (bsi_remove): Add new argument. Remove EH information
10055 (verify_eh_throw_table_statements): New function.
10056 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10058 * tree-optimize.c (execute_free_cfg_annotations): Verify
10059 the EH throw statement table after removing annotations.
10060 * except.h (verify_eh_throw_table_statements): Prototype.
10061 * tree-flow.h (bsi_remove): Update prototype.
10062 * tree-vrp.c (remove_range_assertions): Add new argument to
10064 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10065 * tree-complex.c (expand_complex_div_wide): Likewise.
10066 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10067 * tree-tailcall.c (eliminate_tailcall): Likewise.
10068 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10069 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10070 * tree-nrv.c (tree_nrv): Likewise.
10071 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10072 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10073 (combine_blocks): Likewise.
10074 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10075 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10076 (cleanup_control_flow): Likewise.
10077 (remove_forwarder_block): Likewise.
10078 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10079 * tree-sra.c (sra_replace): Likewise.
10080 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10081 (forward_propagate_single_use_vars): Likewise.
10082 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10083 * tree-inline.c (expand_call_inline): Likewise.
10084 * tree-vect-transform.c (vect_transform_loop): Likewise.
10085 * tree-outof-ssa.c (rewrite_trees): Likewise.
10086 * tree-cfg.c (make_goto_expr_edges): Likewise.
10087 (cleanup_dead_labels): Likewise.
10088 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10089 (bsi_move_before, bsi_move_after): Likewise.
10090 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10091 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10093 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10096 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10098 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10099 on non gimple variables. Also add checks at the top for decls and
10101 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10103 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10104 and IMAGPART_EXPR for creating MUST_DEFs.
10105 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10106 and NAME_MEMORY_TAG separately from the DECLs.
10108 2006-01-06 Richard Guenther <rguenther@suse.de>
10110 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10111 annotation, if necessary.
10112 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10113 redundant calls to update_stmt.
10114 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10117 2006-01-05 Richard Henderson <rth@redhat.com>
10119 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10121 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10123 * c-typeck.c: Update copyright date.
10125 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10127 * c-typeck.c (build_c_cast): Always warn when casting
10128 from a pointer to an integer of different size, even if
10129 the node was constant.
10131 2006-01-05 Richard Guenther <rguenther@suse.de>
10133 PR tree-optimization/22555
10134 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10135 if one structure field is an array.
10136 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10137 operands even if we found a subvar, but ignore VOPs in this
10139 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10141 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10143 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10145 PR middle-end/24998
10146 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10148 2006-01-05 Richard Guenther <rguenther@suse.de>
10149 Diego Novillo <dnovillo@redhat.com>
10151 * tree-pass.h (TODO_remove_unused_locals): Define.
10152 * gimple-low.c (expand_var_p, remove_useless_vars,
10153 pass_remove_useless_vars): Remove. Update all users.
10154 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10155 (remove_unused_locals): New function.
10156 * tree-flow.h (remove_unused_locals): Declare.
10157 * passes.c (execute_todo): Call remove_unused_locals if
10158 TODO_remove_unused_locals is set.
10159 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10160 * tree-ssa-dce.c (pass_dce): Likewise.
10161 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10163 2006-01-05 Richard Guenther <rguenther@suse.de>
10165 * tree-flow.h (struct fieldoff): Decompose field to
10166 type, size and decl.
10167 * tree-ssa-alias.c (create_sft): Take type as parameter.
10168 (create_overlap_variables_for): Store type, size and decl
10169 in the fieldoff structure.
10170 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10171 of struct fieldoff.
10172 (push_fields_onto_fieldstack): Likewise.
10173 (create_variable_info_for): Likewise. Use offset for the
10174 SFT name if the decl is not available.
10176 2006-01-04 Paul Brook <paul@codesourcery.com>
10178 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10180 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10182 * lambda-code.c (can_put_in_inner_loop): Relax
10184 (can_put_after_inner_loop): New function.
10185 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10186 (perfect_nestify): Change to make copies and modify uses.
10188 2006-01-04 Richard Henderson <rth@redhat.com>
10190 Merge from gomp branch:
10191 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10192 via integer constant.
10193 (pragma_lex): Remove.
10194 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10195 rather than parsing it.
10196 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10197 handle_pragma_extern_prefix): Add %< %> quotes.
10198 (registered_pragmas): New.
10199 (c_register_pragma_1): New.
10200 (c_register_pragma): Use it.
10201 (c_register_pragma_with_expansion): Likewise.
10202 (c_invoke_pragma_handler): New.
10203 (init_pragma): Use cpp_register_deferred_pragma directly for
10205 * c-pragma.h (enum pragma_kind): New.
10206 (pragma_handler): New.
10207 (c_invoke_pragma_handler): Declare.
10208 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10210 * c-common.h (c_common_pch_pragma): Update decl.
10211 * Makefile.in (c-parser.o): Update dependencies.
10212 (GTFILES): Add c-pragma.h.
10213 * c-parser.c (struct c_token): Add pragma_kind.
10214 (struct c_parser): Add in_pragma.
10215 (c_lex_one_token): Always initialize keyword and pragma_kind.
10216 Extract data for CPP_PRAGMA.
10217 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10218 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10219 Don't allow CPP_PRAGMA_EOL if in_pragma.
10220 (c_parser_consume_pragma): New.
10221 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10222 (c_parser_skip_to_end_of_parameter): Likewise.
10223 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10224 (c_parser_skip_to_pragma_eol): New.
10225 (c_parser_external_declaration): Handle CPP_PRAGMA.
10226 (c_parser_compound_statement_nostart): Likewise.
10227 (c_parser_statement_after_labels): Likewise.
10228 (c_parser_pragma): New.
10229 (pragma_lex): Likewise.
10230 (c_parser_pragma_pch_preprocess): New.
10231 (c_parser_new): Merge into ...
10232 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10234 2006-01-04 Jeff Law <law@redhat.com>
10237 * tree-cfg.c (bsi_replace): Remove the original statement
10238 from the EH throw statement table.
10240 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10242 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10243 make the prototype extern "C" and add throw ().
10246 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10247 and pos non-negative and pos + len <= 32.
10248 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10249 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10250 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10253 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10254 as well as sizes not multiple of component size.
10257 * function.c (instantiate_expr): New function.
10258 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10259 walk its DECL_VALUE_EXPR with instantiate_expr.
10261 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10262 DW_OP_deref{,_size} if address isn't going to be added.
10264 2006-01-04 Ben Elliston <bje@au.ibm.com>
10266 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10267 * config/fp-bit.c: Likewise.
10269 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10271 * dominance.c: Add comment about why we use DFS numbering
10274 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10275 Richard Henderson <rth@redhat.com>
10277 Merge from gomp-branch:
10278 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10279 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10281 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10283 PR rtl-optimization/25578
10284 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10285 pass a parameter to simplify_shift_const if changing ASHIFTRT
10288 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10290 * builtins.c (get_builtin_sync_mem): New function.
10291 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10292 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10293 Call get_builtin_sync_mem to generate mem rtx.
10295 2006-01-03 Richard Guenther <rguenther@suse.de>
10298 * stmt.c (add_case_node): Make sure to clear overflow flags
10301 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10303 Merge from gomp-branch.
10304 * config/sparc/sync.md: New file.
10305 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10306 UNSPECV_LDSTUB): New constants.
10307 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10308 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10309 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10312 2006-01-03 Roger Sayle <roger@eyesopen.com>
10314 * combine.c (reg_subword_p): New predicate to test whether the
10315 destination of a set refers to a subword/piece of a register.
10316 (try_combine): Generalize the code to merge the setting of a
10317 pseudo to a constant followed by a set of a subword of that
10318 register to a constant.
10320 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10322 * basic-block.h (control_flow_graph): Change the type of
10323 x_label_to_block_map to VEC(basic_block,gc) *.
10324 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10325 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10327 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10328 VEC(basic_block,heap) *.
10329 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10330 ssa_prop_fini): Adjust the uses of cfg_blocks.
10332 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10334 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10336 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10337 hashing trees instead of a pointer hash.
10338 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10339 compare for MEM_EXPR.
10341 PR rtl-optimization/25130
10342 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10343 when comparing MEMs for GCSE
10345 2006-01-03 Ben Elliston <bje@au.ibm.com>
10347 * targhooks.h (default_decimal_float_supported_p): Declare.
10348 * targhooks.c (default_decimal_float_supported_p): Define.
10349 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10350 `default_decimal_float_supported_p'.
10351 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10353 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10355 * combine.c (apply_distributive_law <SUBREG>): Check
10356 TRULY_NOOP_TRUNCATION.
10358 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10360 * dwarf2out.c (have_switched_text_section): Delete.
10361 (have_multiple_function_sections): New.
10362 (have_location_lists): Make 'bool'.
10363 (add_AT_loc_list): Use 'true' not '1'.
10364 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10365 (output_loc_list): Use have_multiple_function_sections.
10366 (output_ranges): Likewise.
10367 (dwarf2out_begin_function): Set have_multiple_function_sections if
10369 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10370 Check function_section rather than DECL_SECTION_NAME.
10371 (dwarf2out_finish): Use have_multiple_function_sections.
10372 Don't clear have_location_lists.
10374 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10375 Jan Hubicka <jh@suse.cz>
10377 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10378 case of conditional jump jumping to the next instruction.
10379 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10380 cases of conditional jump jumping to the next instruction.
10382 2006-01-02 Jan Hubicka <jh@suse.cz>
10384 * i386.c (*_cost): Add COSTS_N_INSNS.
10385 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10387 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10390 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10392 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10394 * config/arm/arm.c (all_fpus): Fix comment typo.
10395 * config/darwin.c: Likewise.
10396 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10397 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10398 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10400 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10402 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10403 (rs6000_split_compare_and_swapqhi): New.
10404 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10405 (sync_compare_and_swapqhi_internal): New.
10406 * config/rs6000/rs6000-protos.h: Declare.