1 2006-05-02 Joshua Kinard <kumba@gentoo.org>
4 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7 2006-05-02 Paul Brook <paul@codesourcery.com>
9 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
11 (create_fix_barrier): Check that a suitable barrier location is
13 (arm_reorg): Include ftmp->address in allowable range of addresses.
15 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
18 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
21 2006-05-02 Jakub Jelinek <jakub@redhat.com>
24 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
25 around RESULT_DECL for result passed by reference.
26 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
27 * omp-low.c (use_pointer_for_field): Don't look at
28 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
29 (scan_omp_1): Call remap_decl on RESULT_DECLs.
30 (lower_rec_input_clauses): Don't allocate VLA memory for the second
31 time or var for passing by reference for
32 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
33 TREE_ADDRESSABLE variables when passing by reference.
35 * omp-low.c (dump_omp_region): Fix output formatting.
38 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
39 (expand_omp_parallel): Likewise.
40 * tree-cfg.c (move_sese_region_to_fn): Likewise.
43 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
44 on statement list containing also constructors and destructors.
45 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
48 * except.c (duplicate_eh_regions): Fix clearing of
49 cfun->eh->region_array entries.
51 2006-05-01 DJ Delorie <dj@redhat.com>
53 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
55 (gcc_cv_objdump): Likewise.
56 * configure: Regenerated.
58 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
61 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
62 templates for case 3 and 4.
64 2006-05-01 DJ Delorie <dj@redhat.com>
66 * vec.c: Include bconfig.h when appropriate.
67 * Makefile.in (build/vec.o): Adjust dependencies.
68 * mkconfig.sh: Make sure config.h isn't used for build machine
71 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
73 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
75 (mark_phi_for_rewrite): New function.
76 (insert_phi_nodes_for, mark_use_interesting): Call
78 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
79 (update_ssa): Initialize and free phis_to_rewrite.
81 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
83 PR rtl-optimization/27291
84 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
87 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
89 PR tree-optimization/27283
90 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
91 not whole # of iteration descriptions.
92 (niter_for_exit): Return just # of iterations. Fail if # of iterations
93 uses abnormal ssa name.
94 (niter_for_single_dom_exit): Ditto.
95 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
96 return just the number of iterations.
98 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
100 PR tree-optimization/27144
101 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
102 (record_estimate): Only record constant upper bound.
103 (infer_loop_bounds_from_undefined): Call
104 compute_estimated_nb_iterations just once.
105 (proved_non_wrapping_p): Renamed to ...
106 (n_of_executions_at_most): ... this. Expect bound to be a constant.
107 (convert_step_widening, scev_probably_wraps_p): Call
108 n_of_executions_at_most instead of proved_non_wrapping_p.
109 (substitute_in_loop_info): Do not replace values in bounds.
110 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
113 2006-05-01 Richard Henderson <rth@redhat.com>
116 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
117 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
120 2006-05-01 Roger Sayle <roger@eyesopen.com>
122 * c-typeck.c (parser_build_binary_op): Don't call the function
123 unsigned_conversion_warning to spot operand/result type overflow.
124 (build_binary_op): Instead, call convert_and_check instead of
125 convert to report the problem when the operands are promoted.
126 * c-common.c (unsigned_conversion_warning): Make static.
127 * c-common.h (unsigned_conversion_warning): Delete prototype.
129 2006-05-01 Richard Guenther <rguenther@suse.de>
131 PR tree-optimization/26726
132 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
134 (find_interesting_uses_address): ... we work around here
135 by folding INDIRECT_REFs in the substituted base.
137 2006-05-01 Diego Novillo <dnovillo@redhat.com>
139 * omp-low.c (dump_omp_region): Add newlines.
141 2006-04-30 Roger Sayle <roger@eyesopen.com>
143 * common.opt (Woverflow): New command line option.
144 * c-common.c (constant_expression_warning): Check warn_overflow.
145 (overflow_waring): Pass OPT_Woverflow to warning.
146 (unsigned_conversion_warning): Likewise.
147 (convert_and_check): Likewise.
148 * doc/invoke.texi: Document new command line option.
150 2006-04-30 David Edelsohn <edelsohn@gnu.org>
152 * config/rs6000/rs6000.c (rs6000_override_options): Enable
153 TARGET_NO_FP_IN_TOC for section anchors.
154 (optimization_options): Enable section anchors for all
155 non-"Objective" languages.
157 2006-04-28 Eric Christopher <echristo@apple.com>
159 * config/darwin-c.c (darwin_ms_struct): Move this
160 (darwin_set_default_type_attributes): and this...
161 * config/darwin.c: ... here.
162 * config/darwin.h (darwin_ms_struct): Declare.
164 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
166 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
168 2006-04-28 Roger Sayle <roger@eyesopen.com>
171 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
172 (push_array_bounds): Delete prototype. Change BOUNDS argument to
173 an unsigned HOST_WIDE_INT.
174 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
176 (really_start_incremental_init): No need to call convert because
177 bitsize_zero_node is already of type bitsizetype.
178 (push_init_level): Extract the value of constructor_index as an
179 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
180 (process_init_element): Likewise.
182 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
184 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
185 value before passing to make_relative_prefix.
187 2006-04-28 Alan Modra <amodra@bigpond.net.au>
190 * builtins.c (expand_builtin_memset): Expand val in original mode.
192 2006-04-27 Eric Christopher <echristo@apple.com>
194 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
196 * config/darwin-c.c (darwin_ms_struct): New.
197 (darwin_pragma_ms_struct): Ditto.
198 (darwin_set_default_type_attributes): Ditto.
199 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
200 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
201 Register ms_struct pragma.
202 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
203 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
204 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
205 darwin_set_default_type_attributes if TARGET_MACHO.
207 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
209 PR tree-optimization/26854
210 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
211 * doc/tree-ssa.texi: Update immuse iterator documentation.
212 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
213 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
214 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
215 first_safe_imm_use, next_safe_imm_use): Remove.
216 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
217 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
218 (move_use_after_head): New. Helper function to sort immuses in a stmt.
219 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
220 (first_imm_use_stmt): New. Get first stmt in an immuse list.
221 (next_imm_use_stmt): New. Get next stmt in an immuse list.
222 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
223 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
224 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
225 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
226 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
227 (perfect_nestify): Use new iterator.
228 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
230 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
231 (next_imm_name): New field in struct immediate_use_iterator_d.
232 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
233 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
234 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
235 * tree-cfg.c (replace_uses_by): Use new iterator.
236 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
237 * tree-ssa-operands.c (correct_use_link): Remove.
238 (finalize_ssa_use_ops): No longer call correct_use_link.
240 2006-04-27 Stuart Hastings <stuart@apple.com>
242 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
243 * config/t-darwin (crt3.o): Use it.
244 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
245 'pmode', use Pmode instead of SImode for SYMBOL_REF.
246 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
247 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
248 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
251 2006-04-27 Roger Sayle <roger@eyesopen.com>
253 * expmed.c (store_fixed_bit_field): If we're not optimizing for
254 size, force the intermediate into a new pseudo rather instead of
255 performing both a bitwise AND and a bitwise IOR in memory.
257 2006-04-27 Richard Guenther <rguenther@suse.de>
259 PR rtl-optimization/26685
260 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
261 this one "max-flow-memory-locations".
263 2006-04-27 Richard Guenther <rguenther@suse.de>
265 PR tree-optimization/25148
266 * tree-vrp.c (compare_values): Remove code dealing with
267 comparisons against type min/max value. Honour overflow
268 and negative constants in code dealing with comparisons
269 of plus and minus expressions.
270 (value_inside_range): Use fold_binary with LE_EXPR and
271 GE_EXPR rather than compare_values.
273 2006-04-27 Dirk Mueller <dmueller@suse.de>
275 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
278 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
280 * basic-block.h (safe_insert_insn_on_edge): Removed.
281 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
284 2006-04-26 David Edelsohn <edelsohn@gnu.org>
285 Paolo Bonzini <bonzini@gnu.org>
288 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
289 (simplify_and_const_int): Same.
291 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
293 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
295 2006-04-26 Jakub Jelinek <jakub@redhat.com>
298 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
299 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
300 cgraph_global_info_ready.
303 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
306 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
307 either decl or init is error_mark_node.
310 * tree-flow.h (struct omp_region): Add sched_kind.
311 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
312 instead of extracting omp for data.
313 (expand_omp_for): Save extracted sched_kind.
315 2006-04-25 Roger Sayle <roger@eyesopen.com>
317 * expmed.c (store_bit_field): Also check whether the bitsize is
318 valid for the machine's "insv" instruction before moving the
319 target into a pseudo for use with the insv.
320 * config/i386/predicates.md (const8_operand): New predicate.
321 * config/i386/i386.md (extv, extzv, insv): Use the new
322 const8_operand predicate where appropriate.
324 2006-04-25 DJ Delorie <dj@redhat.com>
326 * doc/install.texi (Specific): Clarify that this is not a list of
327 supported hosts or targets.
329 2006-04-25 Richard Sandiford <richard@codesourcery.com>
331 PR rtl-optimization/26725
332 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
333 block's BB_DIRTY flag.
335 2006-04-25 Geoffrey Keating <geoffk@apple.com>
337 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
340 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
343 2006-04-25 David Edelsohn <edelsohn@gnu.org>
345 * varasm.c (align_variable): New function.
346 (get_block_for_decl): Apply align_variable to DECL before
347 calculating section information.
348 (assemble_variable): Split out alignment computation.
350 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
352 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
355 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
357 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
358 MODE_PARTIAL_INT mode.
359 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
360 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
362 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
363 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
365 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
367 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
369 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
370 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
371 MACFLAG_IH): Likewise.
372 (movstricthi_1): Renamed from "*movstricthi".
373 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
374 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
375 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
376 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
377 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
378 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
379 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
380 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
381 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
382 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
383 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
384 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
385 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
386 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
387 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
389 * doc/rtl.texi (ss_ashift): Improve wording.
391 2006-04-24 Geoffrey Keating <geoffk@apple.com>
393 * dwarf2out.c (verify_marks_clear): New.
394 (prune_unused_types): Call verify_marks_clear initially, not
397 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
399 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
400 * doc/rtl.texi: Document them.
401 * simplify-rtx.c (simplify_unary_operation,
402 simplify_binary_operation_1): Don't abort when we see them.
404 2006-04-24 Mark Mitchell <mark@codesourcery.com>
407 2006-04-23 Mark Mitchell <mark@codesourcery.com>
408 * configure.ac: Completely disregard languages that are not
410 * configure: Regenerated.
412 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
413 Richard Guenther <rguenther@suse.de>
415 PR tree-optimization/27236
416 * tree-inline.c (copy_body_r): Make sure to copy
417 TREE_THIS_VOLATILE flag.
419 2006-04-24 Richard Guenther <rguenther@suse.de>
422 * tree-complex.c (update_parameter_components): Don't handle
423 unused parameters which have no default def.
425 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
426 Richard Guenther <rguenther@suse.de>
428 PR tree-optimization/27218
429 * tree-inline.c (expand_call_inline): Strip useless type
430 conversions for the return slot address.
432 2006-04-24 Richard Guenther <rguenther@suse.de>
434 * cfgloop.h (struct loops): Remove unused field array. Reorder
436 (LOOP_PREFETCH): Remove.
438 2006-04-24 Richard Guenther <rguenther@suse.de>
440 PR tree-optimization/22525
441 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
442 variable, adjust types of generated expressions.
444 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
446 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
447 (tree-vect-patterns.o): Likewise.
449 (cselib.o): Likewise.
450 (loop-doloop.o): Likewise.
451 (regclass.o): Likewise.
452 (reload1.o): Likewise.
453 (explow.o): Replace target.h with $(TARGET_H).
454 (ipa-prop.o): Likewise.
455 (ipa-cp.o): Likewise.
456 (ipa-inline.o): Likewise.
458 (reg-stack.o): Likewise.
460 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
462 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
464 2006-04-23 Mark Mitchell <mark@codesourcery.com>
466 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
468 * configure.ac: Completely disregard languages that are not
470 * configure: Regenerated.
473 * c-common.h (c_build_bitfield_integer_type): Declare.
474 * c-decl.c (c_build_bitfield_integer_type): Move to ...
475 * c-common.c (c_build_bitfield_integer_type): ... here.
477 2006-04-23 Roger Sayle <roger@eyesopen.com>
480 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
481 a SImode SUBREG of a floating point register after no_new_pseudos.
483 2006-04-23 Roger Sayle <roger@eyesopen.com>
485 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
486 identify potentially eliminable registers to additionally catch
487 VIRTUAL_INCOMING_ARGS_REGNUM.
488 (addsi3): Update the conditions on when to use addsi_small_int.
490 2006-04-23 Roger Sayle <roger@eyesopen.com>
493 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
494 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
495 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
497 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
499 * fold-const.c (range_predecessor): Use operand_equal_p
500 as the predicate for equality.
501 (range_successor): Likewise.
503 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
506 * config/soft-fp/op-common.h: Fix a typo.
508 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
511 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
512 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
514 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
516 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
518 * doc/tm.texi: Fix a typo.
520 2006-04-21 Geoffrey Keating <geoffk@apple.com>
522 * dwarf2out.c (struct die_struct): Document that die_sib makes
523 a circular linked list.
524 (FOR_EACH_CHILD): New.
525 (reverse_die_lists): Delete.
526 (reverse_all_dies): Delete.
527 (add_dwarf_attr): Correct documentation.
528 (remove_child_with_prev): New.
529 (remove_child_TAG): Update for change to die_struct, use
530 remove_child_with_prev.
531 (add_child_die): Update for change to die_struct.
532 (splice_child_die): Use remove_child_with_prev and add_child_die.
533 (print_die): Use FOR_EACH_CHILD.
534 (die_checksum): Likewise.
535 (assign_symbol_names): Likewise.
536 (output_location_lists): Likewise.
537 (build_abbrev_table): Likewise.
538 (calc_die_sizes): Likewise.
539 (mark_dies): Likewise.
540 (unmark_dies): Likewise.
541 (unmark_all_dies): Likewise.
542 (output_die): Likewise.
543 (prune_unused_types_mark): Likewise.
544 (prune_unused_types_walk): Likewise.
545 (same_die_p): Update for change to die_struct.
546 (break_out_includes): Likewise.
547 (prune_unused_types_prune): Likewise.
548 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
549 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
551 (dwarf2out_finish): Don't call reverse_all_dies.
553 2006-04-21 Eric Christopher <echristo@apple.com>
555 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
556 in comments and function names.
558 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
561 * c-typeck.c (digest_init): Robustify.
563 * c-typeck.c (pop_init_level): Simplify.
565 2006-04-21 Steve Ellcey <sje@cup.hp.com>
567 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
569 2006-04-21 Paul Brook <paul@codesourcery.com>
571 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
572 hardware floating point.
574 2006-04-21 David Edelsohn <edelsohn@gnu.org>
576 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
579 2006-04-21 Nick Clifton <nickc@redhat.com>
581 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
584 2006-04-21 Alan Modra <amodra@bigpond.net.au>
587 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
588 C++ lang type in traceback table for Objective-C++.
590 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
592 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
594 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
596 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
599 * tree-mudflap.c (mudflap_finish_file): Skip function when there
600 were errors. Remove check for erroneous objects.
602 2006-04-20 Jeff Law <law@redhat.com>
604 PR tree-optimization/26854
605 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
606 checking for zero or one use.
607 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
608 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
609 * tree-ssa-reassoc.c (negate_value): Similarly.
610 (reassociate_bb): Similarly.
612 2006-04-20 Jakub Jelinek <jakub@redhat.com>
614 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
615 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
616 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
618 2006-04-20 Alan Modra <amodra@bigpond.net.au>
620 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
621 fp regs if the last fp arg doesn't fit in regs.
623 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
626 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
627 that the last insn has the REG_INC note.
629 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
630 Nathan Sidwell <nathan@codesourcery.com>
633 * stor-layout.c (update_alignment_for_field): Do not align
635 (place_union_field): Place union field at the start of the union.
636 (place_field): Move ERROR_MARK check later, and use the current
637 allocation position to maintain monotonicity.
639 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
641 * dominance.c: Include timevar.h.
642 (calculate_dominance_info): Use TV_DOMINANCE.
643 * timevar.def (TV_DOMINANCE): New timevar.
644 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
646 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
648 PR rtl-optimization/14261
649 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
650 move would be an INSV insn.
651 (noce_process_if_block): Don't optimize if the destination is a
652 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
654 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
656 * config/s390/s390.md: Add comments with the instructions emitted
657 by an insn pattern if macros are used.
659 2006-04-19 Alan Modra <amodra@bigpond.net.au>
661 PR rtl-optimization/26026
662 * fold-const.c (fold_binary): Optimize div and mod where the divisor
663 is a known power of two shifted left a variable amount.
665 2006-04-18 Geoffrey Keating <geoffk@apple.com>
667 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
668 to hash table twice when the debug_str section has SECTION_MERGE.
670 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
672 * config/soft-fp: New directory. From glibc.
673 * config/soft-fp/t-softfp: New.
674 * config/soft-fp/README: New.
675 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
676 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
677 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
678 (LIBGCC_DEPS): Add $(SFP_MACHINE).
679 * config.gcc: Use rs6000/t-fprules-fpbit or
680 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
682 * config/rs6000/sfp-machine.h: New. Based on glibc.
683 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
685 * config/rs6000/t-fprules: Remove fp-bit rules.
686 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
687 * config/rs6000/t-linux64: Likewise. Remove duplicates from
688 LIB2FUNCS_EXTRA. Remove fp-bit rules.
689 (softfp_wrap_start, softfp_wrap_end): New.
691 2006-04-18 DJ Delorie <dj@redhat.com>
693 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
695 2006-04-18 Devang Patel <dpatel@apple.com>
697 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
699 2006-04-18 Nick Clifton <nickc@redhat.com>
701 * config/sh/t-symbian: Add rule to build sh-c.o
702 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
703 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
704 (sh_symbian_encode_section_info): Likewise.
706 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
708 * builtins.c (expand_builtin_strcmp): Cover label definition of
709 do_libcall with HAVE_cmpstrnsi.
711 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
713 * function.c (temp_slots_at_level, max_slot_level): Use VEC
715 * function.h (temp_slot_p): New.
716 (function): Change the type of x_used_temp_slots to
717 VEC(temp_slot_p,gc) *.
719 2006-04-18 Nick Clifton <nickc@redhat.com>
721 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
722 flag_strength_reduce.
724 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
726 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
730 Partial revert of revision 112637
731 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
732 Dale Johannesen <dalej@apple.com>
735 * regclass.c (struct reg_pref): Update documentation.
736 (regclass): Set prefclass to NO_REGS if memory is the best option.
737 (record_reg_classes): Cope with a prefclass set to NO_REGS.
739 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
741 PR tree-optimization/26821
742 * tree-ssa-math-opts.c (get_constant_one): New.
743 (insert_reciprocals): Use it.
745 2006-04-17 Geoffrey Keating <geoffk@apple.com>
747 * dwarf2out.c (free_AT): Delete.
748 (remove_AT): Update string ref counts.
749 (remove_child_TAG): Don't call free_die.
751 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
753 (prune_unused_types_walk_attribs): Reset string refcounts.
754 (prune_unused_types_update_strings): New.
755 (prune_unused_types_prune): Don't make unnecessary stores. Don't
756 call free_die. Do call prune_unused_types_update_strings.
757 (prune_unused_types): Empty debug_str_hash.
759 2006-04-17 Roger Sayle <roger@eyesopen.com>
761 * expr.c (expand_assignment): Optimize away no-op moves where the
762 source and destination are equal and have no side-effects.
764 2006-04-17 Richard Guenther <rguenther@suse.de>
767 * reload.c (push_reload): Guard calls to get_secondary_mem
770 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
772 * alias.c (reg_base_value, old_reg_base_value): Change the
773 type to VEC(rtx,gc) *.
774 (REG_BASE_VALUE, find_base_value, record_set,
775 init_alias_analysis): Use VEC instead of VARRAY.
777 * alias.c (alias_sets): Change the type to
778 VEC(alias_set_entry,gc) *.
779 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
780 VEC instead of VARRAY.
781 (last_alias_set): Remove.
783 * cgraph.h (cgraph_edge_p): New.
784 Update the prototype of cgraph_function_versioning.
785 * cgraphunit.c (cgraph_copy_node_for_versioning,
786 cgraph_function_versioning): Use VEC instead of VARRAY.
787 * ipa-cp.c (ipcp_insert_stage): Likewise.
789 2006-04-16 Roger Sayle <roger@eyesopen.com>
792 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
793 "A op B" or "A op C", we may need to convert A to the type of B and C.
795 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
797 * target.h (struct gcc_target): Add mode_rep_extended.
798 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
799 (init_num_sign_bit_copies_in_rep): Initialize it using
801 (truncate_to_mode): Use it.
802 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
803 * targhooks.h (default_mode_rep_extended): Declare it.
804 * targhooks.c (default_mode_rep_extended): Define it.
805 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
806 default_mode_rep_extended.
807 (TARGET_INITIALIZER): Include it.
808 * doc/tm.texi (Misc): Document it.
809 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
810 (mips_truncated_to_mode): New function.
812 2006-04-16 Roger Sayle <roger@eyesopen.com>
815 * expr.c (compress_float_constant): Copy the narrow constant into
816 a new pseudo before extending it to its final width.
818 2006-04-16 Roger Sayle <roger@eyesopen.com>
819 Andrew Pinski <pinskia@gcc.gnu.org>
820 Dale Johannesen <dalej@apple.com>
823 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
824 special case code to implement V8HImode and V16QImode with SSE2.
826 2006-04-15 Roger Sayle <roger@eyesopen.com>
828 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
829 trees are constructed with a suitable tree type.
831 2006-04-15 Roger Sayle <roger@eyesopen.com>
833 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
834 (integer_onep): Likewise.
835 (integer_all_onesp): Likewise.
836 (integer_pow2p): Likewise.
837 (integer_nonzerop): Likewise.
838 (real_zerop): Likewise.
839 (real_onep): Likewise.
840 (real_twop): Likewise.
841 (real_minus_onep): Likewise.
842 (int_size_in_bytes): Likewise.
843 (host_integerp): Likewise.
845 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
847 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
848 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
849 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
851 * tree-ssa-structalias.h (alias_info): Remove num_references.
853 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
855 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
856 (output_bvb patterns): Likewise.
857 * pa.c (output_bb): Use 'bb' insn for long branch case.
858 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
859 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
860 1. Correct length operand for alternatives 1 and 2.
861 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
862 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
864 2006-04-14 Roger Sayle <roger@eyesopen.com>
866 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
867 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
868 were accidentally reverted by r112959.
870 2006-04-15 Jakub Jelinek <jakub@redhat.com>
873 * except.h (eh_region_outermost): New prototype.
874 * except.c (eh_region_outermost): New function.
875 * tree-cfg.c (find_outermost_region_in_block): Use it.
877 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
879 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
881 * reload1.c (reg_equiv_memory_loc_varray): Rename to
882 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
883 (init_reload, reload): Use VEC instead of VARRAY.
884 * reload.h: Update the prototype for
885 reg_equiv_memory_loc_varray.
887 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
888 Eric Botcazou <ebotcazou@libertysurf.fr>
890 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
893 2005-04-13 Uros Bizjak <uros@kss-loka.si>
896 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
897 to expand fallback builtin function call.
899 2006-04-14 Alan Modra <amodra@bigpond.net.au>
902 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
903 and emit libcall here in case the builtin fails.
904 (expand_builtin_strcmp): Always emit the libcall here on failure.
906 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
908 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
909 * flow.c (reg_n_info): Change the type to
910 VEC(reg_info_p,heap) *.
911 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
913 * regs.h (reg_info_p): New.
914 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
915 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
916 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
919 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
921 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
923 * params.h (MAX_SCHED_READY_INSNS): New macro.
924 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
925 past MAX_SCHED_READY_INSNS during the first scheduling pass.
926 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
927 the ready list for 1 cycle during the first scheduling pass.
928 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
930 2006-04-13 Richard Henderson <rth@redhat.com>
933 * gimple-low.c (lower_omp_directive): Remove dead code.
934 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
935 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
936 * omp-low.c (struct omp_region): Move to tree-flow.h.
937 (root_omp_region): Export.
938 (omp_regions, lookup_omp_region): Remove.
939 (determine_parallel_type): Update for struct omp_region changes.
940 (dump_omp_region): Dump regions with block numbers.
941 (new_omp_region): Take type and block instead of stmt; malloc
943 (free_omp_region_1, free_omp_regions): New.
944 (expand_parallel_call): Take entry_stmt as argument; update for
945 changes to omp_region.
946 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
947 (remove_exit_barriers): New.
948 (expand_omp_parallel): Update for struct omp_region changes.
949 (expand_omp_synch): Likewise.
950 (expand_omp): Likewise.
951 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
952 (expand_omp_for_static_chunk): Likewise.
953 (expand_omp_for): Likewise.
954 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
955 (expand_omp_sections): Similarly, with GOMP_sections_end.
956 (expand_omp_single): New.
957 (build_omp_regions_1): Update for OMP_CONTINUE.
958 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
959 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
960 OMP_SECTIONS_SECTIONS.
961 (lower_omp_single_simple): Don't emit barrier here.
962 (lower_omp_single_copy): Likewise.
963 (lower_omp_single): Fix bindings, and lower to straightline now.
964 (lower_omp_master, lower_omp_ordered): Likewise.
965 (lower_omp_critical): Likewise.
966 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
967 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
968 omp edges, free it afterward.
969 (make_omp_sections_edges): Remove.
970 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
971 (move_stmt_r): Handle OMP_CONTINUE.
972 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
973 statement pointers to basic blocks. Add type member.
974 (root_omp_region, new_omp_region, free_omp_regions): Declare.
975 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
976 * tree-inline.c (estimate_num_insns_1): Likewise.
977 * tree-pretty-print.c (dump_generic_node): Likewise.
978 * tree-ssa-operands.c (get_expr_operands): Likewise.
979 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
980 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
982 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
983 (OMP_SECTIONS_SECTIONS): Remove.
984 (OMP_SECTION_LAST): New.
985 (OMP_RETURN_NOWAIT): New.
987 2006-04-13 Roger Sayle <roger@eyesopen.com>
989 * fold-const.c (native_encode_vector, native_interpret_real):
990 Correct obvious mistakes in the previous check-in.
992 2006-04-13 Roger Sayle <roger@eyesopen.com>
994 * fold-const.c (native_encode_expr): New function to encode
995 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
996 or VECTOR_CST into a specified buffer.
997 (native_encode_int): New function.
998 (native_encode_real): New function.
999 (native_encode_complex): New function.
1000 (native_encode_vector): New function.
1001 (native_interpret_expr): Inverse of native_encode_expr to convert
1002 a target representation into an INTEGER_CST, REAL_CST etc...
1003 (native_interpret_int): New function.
1004 (native_interpret_real): New function.
1005 (native_interpret_complex): New function.
1006 (native_interpret_vector): New function.
1007 (fold_view_convert_expr): New function to constant fold/evaluate
1008 a VIEW_CONVERT_EXPR of a suitable constant expression.
1009 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1010 Change call of build1 to fold_build1 when constructing a
1013 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1014 Ulrich Weigand <uweigand@de.ibm.com>
1017 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1020 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1023 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1024 optimize to lo_sum for DFmode if !TARGET_FPRS.
1026 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1028 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1029 delete_alias_info, compute_flow_sensitive_aliasing,
1030 group_aliases): Use VEC instead of VARRAY.
1031 * tree-ssa-structalias.c (update_alias_info): Likewise.
1032 * tree-ssa-structalias.h (alias_info): Change the type of
1033 processed_ptrs to VEC(tree,heap) *.
1035 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1038 * config/sh/lib1funcs.h: New file, broken out of:
1039 * config/sh/lib1funcs.asm.
1040 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1042 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1043 * config/sh/lib1funcs-Os-4-200.asm: New file.
1044 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1045 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1046 (EXTRA_MULTILIB_PARTS): Include it.
1047 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1048 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1049 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1050 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1053 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1055 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1056 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1057 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1059 * tree-ssa-live.h: Include vecprim.h.
1060 (tree_partition_associator_d): Change the type of
1061 first_partition to VEC(int,heap) *.
1062 (tpa_first_partition): Use VEC instead of VARRAY.
1064 * Makefile.in (GTFILES): Move functions.h after tree.h.
1065 * function.c (reset_block_changes, record_block_change,
1066 check_block_change, free_block_changes): Use VEC instead of
1068 * function.h (function): Change the type of
1069 ib_boundaries_block to VEC(tree,gc) *.
1070 * tree-inline.c (copy_cfg_body): Initialize
1071 ib_boundaries_block to NULL instead of (varray_type) 0.
1073 2006-04-12 Roger Sayle <roger@eyesopen.com>
1075 * expr.c (emit_group_store): Correct operand order in call to
1076 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1077 a SUBREG_BYTE of zero.
1079 2006-04-12 Richard Guenther <rguenther@suse.de>
1081 * profile.c (compute_branch_probabilities): Remove code
1082 encapsulated in !ir_type (), which are remanents of the
1083 removed RTL profiling code.
1084 * rtl-profile.c: Remove.
1086 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1088 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1089 magic NULL_RTX comment.
1090 (function_arg): Store entire fp arg to mem if any part should go
1092 (rs6000_arg_partial_bytes): Adjust for above change.
1094 2006-04-11 Roger Sayle <roger@eyesopen.com>
1096 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1097 if it hasn't been initialized by dwarf2out_init.
1099 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1101 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1102 symbolic constants in branch patterns.
1104 2006-04-11 Roger Sayle <roger@eyesopen.com>
1106 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1108 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1110 PR rtl-optimization/27073
1111 * gcse.c (try_replace_reg): Revert last change. Continue to search
1112 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1115 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1117 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1118 aggregate types other than record and union types.
1119 (function_arg): Likewise.
1120 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1122 (function_value): In 64-bit mode, return objects that require it
1125 2006-04-11 Roger Sayle <roger@eyesopen.com>
1127 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1129 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1131 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1133 2006-04-03 Jeff Law <law@redhat.com>
1136 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1137 alias information too.
1139 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1141 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1143 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1146 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1147 (premark_used_types_helper): New.
1148 (premark_used_types): New.
1149 (gen_subprogram_die): Call premark_used_types.
1150 (prune_unused_types_walk): Do not prune perennial dies.
1151 * function.c (used_types_insert): New.
1152 * function.h (struct function): Add used_types_hash field.
1153 (used_types_insert): Add prototype.
1154 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1155 * c-parser.c (c_parser_cast_expression): Save casted types in used
1158 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1161 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1162 rs6000_explicit_options.float_gprs.
1164 2006-04-10 Roger Sayle <roger@eyesopen.com>
1166 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1167 from ix86_expand_vector_init_low_nonzero. Take an additional
1168 one_var argument indicating which element is non-zero. Support
1169 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1170 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1171 with one_var instead of ix86_expand_vector_init_low_nonzero.
1173 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1175 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1176 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1177 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1178 build/genextract.o): Depend on vecprim.h.
1179 * cfglayout.c, df-problems.c, function.c, genextract.c,
1180 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1181 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1185 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1187 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1188 Declare VECs of this type.
1189 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1190 (remove_children): Delete.
1191 (add_dwarf_attr): Use VEC routines.
1192 (add_AT_flag): Update for changes to add_dwarf_attr.
1193 (add_AT_int): Likewise.
1194 (add_AT_unsigned): Likewise.
1195 (add_AT_long_long): Likewise.
1196 (add_AT_vec): Likewise.
1197 (add_AT_string): Likewise.
1198 (add_AT_die_ref): Likewise.
1199 (add_AT_fde_ref): Likewise.
1200 (add_AT_loc): Likewise.
1201 (add_AT_loc_list): Likewise.
1202 (add_AT_addr): Likewise.
1203 (add_AT_lbl_id): Likewise.
1204 (add_AT_lineptr): Likewise.
1205 (add_AT_macptr): Likewise.
1206 (add_AT_offset): Likewise.
1207 (add_AT_range_list): Likewise.
1208 (get_AT): Use VEC_iterate.
1209 (remove_AT): Use VEC_ordered_remove.
1210 (free_die): Fold remove_children into here; have it use VEC_iterate.
1211 (print_die): Use VEC_iterate on attrs.
1212 (reverse_die_lists): Don't reverse attr lists.
1213 (die_checksum): Use VEC_iterate on attrs.
1214 (same_die_p): Likewise.
1215 (output_location_lists): Likewise.
1216 (build_abbrev_table): Likewise.
1217 (size_of_die): Likewise.
1218 (unmark_all_dies): Likewise.
1219 (output_abbrev_section): Likewise.
1220 (output_die): Likewise.
1221 (prune_unused_types_walk_attribs): Likewise.
1223 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1225 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1227 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1230 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1232 2006-04-09 Roger Sayle <roger@eyesopen.com>
1234 * expr.c (store_constructor): Don't bother clearing target if
1235 we're about to assign a vector to it using vec_init_optab.
1237 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1239 * tree-ssa-alias.c (lhs_may_store_to): New function.
1240 (recalculate_used_alone): Handle LHS of calls.
1242 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1246 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1247 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1248 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1249 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1250 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1251 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1252 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1253 stubs. Add ".align 8" directives before all ".dword" directives.
1254 (GTHREAD_USE_WEAK): Revise comment.
1255 (TARGET_ATTRIBUTE_WEAK): Define.
1256 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1257 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1258 * stublib.c: New file.
1263 * pa.md (cbranch patterns): Revise arguments used in calls to
1264 output_cbranch, output_bb and output_bvd. Add long branch length
1266 (fbranch patterns): Handle long branches.
1267 (jump): Revise length check. Revise arguments for output_lbranch call.
1268 Add long branch length attributes.
1269 (decrement_and_branch_until_zero): Add long branch length attributes.
1270 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1271 Likewise. Revise arguments for output_parallel_addb and
1272 output_parallel_movb calls.
1273 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1274 output_parallel_movb and output_parallel_addb): Update prototypes.
1275 * pa.c (output_cbranch): Revise arguments. Correct handling of
1276 nullification in long branches.
1277 (output_lbranch): Add new argument to control extraction of delay
1279 (output_bb): Handle long branches.
1280 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1281 output_parallel_addb): Likewise.
1283 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1285 PR rtl-optimization/27073
1286 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1289 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1291 * tree.h (tree_memory_tag): Add old_used_alone.
1292 (SMT_OLD_USED_ALONE): New macro.
1293 * tree-ssa-alias.c (recalculate_used_alone): Stop
1294 marking things for renaming unnecessarily.
1296 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1298 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1299 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1300 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1301 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1302 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1303 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1304 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1305 spelling convensions.
1306 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1307 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1308 typos. Follow spelling conventions.
1310 2006-04-07 DJ Delorie <dj@redhat.com>
1312 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1313 passed on the stack.
1314 (m32c_init_cumulative_args): When a function returns a structure,
1315 always pass the pointer to that return area on the stack.
1316 (m32c_function_arg_advance): Don't increment the parameter number
1317 if we're processing the returned structure pointer.
1318 (pushm_info): Reverse order of registers.
1320 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1322 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1323 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1324 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1325 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1327 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1328 chrec_fold_multiply): Same.
1329 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1330 force_expr_to_var_cost): Same.
1331 * tree-mudflap.c (mf_xform_derefs_1): Same.
1332 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1334 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1336 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1337 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1340 2006-04-07 Jan Hubicka <jh@suse.cz>
1342 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1344 2006-04-07 Richard Guenther <rguenther@suse.de>
1346 PR tree-optimization/26135
1347 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1348 loads for store copy-prop.
1349 (copy_prop_visit_stmt): Likewise.
1351 2006-04-05 Robert Millan <robertmh@gnu.org>
1353 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1354 being overriden in config/k*bsd-gnu.h.
1355 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1357 * gcc/config/knetbsd-gnu.h: Ditto.
1359 2006-04-06 Jan Hubicka <jh@suse.cz>
1363 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1366 2006-04-06 Mike Stump <mrs@apple.com>
1368 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1369 for HAVE_nonlocal_goto to be consistent.
1370 (expand_builtin_nonlocal_goto): Likewise.
1371 (expand_builtin_strcmp): Use #ifdef instead of #if
1372 for HAVE_cmpstrnsi to be consistent.
1374 2006-04-05 DJ Delorie <dj@redhat.com>
1376 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1379 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1381 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1382 got-relative addressing for anything but SImode.
1384 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1385 even if the calling function doesn't modify them.
1387 2006-04-05 Richard Guenther <rguenther@suse.de>
1389 PR tree-optimization/26919
1390 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1391 to cgraph_estimate_size_after_inlining.
1393 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1395 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1397 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1399 PR tree-optimization/26996
1400 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1401 VECTOR_TYPE variables.
1403 2006-04-05 Richard Guenther <rguenther@suse.de>
1405 PR tree-optimization/26763
1406 * fold-const.c (fold_comparison): Move folding of
1407 PTR + CST CMP PTR + CST ...
1408 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1410 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1412 * doc/install.texi (Prerequisites): Refine some wording on
1413 bootstrapping and ksh.
1414 Move the version numbers of DejaGnu here from the testing section
1415 and fix casing of names.
1416 Fix markup and clarify wording for autogen requirements.
1417 Refer to GCJ instead of just java.
1418 Refer to SVN instead of CVS.
1419 Describe diffutils as useful instead of necessary.
1420 (Downloading the source): Refer to SVN instead of CVS.
1421 Adjust a link to our web site accordingly.
1422 (Configuration): Fix casing of Bison.
1423 (Building): Refer to SVN instead of CVS.
1424 Fix a sentence on the use of Bison and remove duplicate (and
1425 incorrect) version number of Bison requirement.
1426 Remove one redundant list of packages needed for building.
1427 (Specific): Avoid reference to CVS.
1429 2006-04-04 Eric Christopher <echristo@apple.com>
1431 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1432 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1433 (rs6000_handle_struct_attribute): New.
1434 (rs6000_ms_bitfield_layout_p): Ditto.
1436 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1438 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1439 NULL for dso parameter to atexit_common.
1441 2006-04-04 Eric Christopher <echristo@apple.com>
1443 * config/i386/i386.c (machopic_output_stub): Output \t
1444 between instructions and operands.
1446 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1448 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1449 satisfies_constraint_[IL] to explicit tests on value.
1451 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1453 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1454 set_nb_iterations_in_loop): Use build_int_cst instead of
1456 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1457 build_int_cst instead of convert.
1459 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1461 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1462 new value 2 for incoming.
1463 * function.c (expand_function_start): Call struct_value_rtx
1465 * config/sparc/sparc.md: Comment updated_return.
1466 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1467 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1468 struct return if sparc_std_struct_return and incoming is 2.
1469 (print_operand): Do not adjust return if
1470 sparc_std_struct_return.
1472 2006-04-04 Roger Sayle <roger@eyesopen.com>
1474 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1475 convert in the middle-end.
1476 * expr.c (store_expr, store_constructor, get_inner_reference,
1477 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1479 * tree.c (build_range_type): Likewise.
1481 2006-04-04 Tom Tromey <tromey@redhat.com>
1483 * doc/install.texi (Prerequisites): Mention jar.
1485 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1487 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1490 2006-04-04 Matthias Klose <doko@debian.org>
1492 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1493 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1496 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1498 * doc/extend.texi (Function Attributes): Rewrite visibility
1499 attribute documentation.
1500 * doc/invoke.texi (C++ Dialect Options): Rewrite
1501 -fvisibility-inlines-hidden documentation to describe something
1502 entirely different, although in practise compatible.
1503 (Code Gen Options): Warn about system headers in -fvisibiltity=
1506 * doc/extend.texi (Other Builtins): Document that
1507 __builtin_nan is a compile-time constant only when its argument
1510 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1512 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1513 trying to remove TRUNCATE check if all bits outside the new mode
1514 are identical to the sign bit.
1516 2006-04-03 Jeff Law <law@redhat.com>
1518 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1519 and operand scanning in some common cases.
1521 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1522 Dale Johannesen <dalej@apple.com>
1525 * regclass.c (struct reg_pref): Update documentation.
1526 (regclass): Set prefclass to NO_REGS if memory is the best option.
1527 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1528 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1529 into account. For non-registers, equate an empty preferred
1530 reload class to a `!' in the constraint; move the if clause to
1531 do so after those that reject the insn.
1532 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1534 (find_dummy_reload): Likewise.
1535 * doc/tm.texi (Register Classes): Document what it means
1536 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1537 * config/i386/i386.c (ix86_preferred_reload_class): Force
1538 using SSE registers (and return NO_REGS for floating-point
1539 constants) if math is done with SSE.
1540 (ix86_preferred_output_reload_class): New.
1541 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1542 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1543 * config/i386/i386.md: Remove # register preferences.
1545 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1548 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1549 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1550 the type of nb_iter.
1551 (instantiate_parameters_1): Convert the operands before calling
1552 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1553 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1555 2006-04-02 Roger Sayle <roger@eyesopen.com>
1557 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1558 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1560 * dojump.c (do_jump): Likewise.
1561 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1562 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1563 gimplify_boolean_expr): Likewise.
1564 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1565 * varasm.c (array_size_for_constructor): Likewise.
1566 * tree-object-size.c (compute_object_offset): Likewise.
1568 2006-04-02 Roger Sayle <roger@eyesopen.com>
1571 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1572 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1574 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1576 PR tree-optimization/26939
1577 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1579 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1581 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1582 at_stmt. Convert the type of operands before calling
1583 build_polynomial_chrec.
1584 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1586 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1587 (instantiate_parameters_1): Convert the type of operands before calling
1588 build_polynomial_chrec.
1589 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1590 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1591 reset_evolution_in_loop): Insert asserts to check the types of the
1593 (chrec_type): Moved...
1594 (eq_evolutions_p): Use operand_equal_p.
1595 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1596 the types of the operands.
1597 (chrec_type): ...here.
1598 * tree-data-ref.c (create_data_ref): Convert the operands before
1599 calling chrec_replace_initial_condition.
1600 (same_access_functions, analyze_subscript_affine_affine,
1601 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1602 (compute_subscript_distance, analyze_ziv_subscript,
1603 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1604 analyze_miv_subscript): Convert the operands before calling
1605 chrec_fold_minus or chrec_fold_plus.
1607 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1609 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1610 the dependence_relations vector.
1611 (compute_data_dependences_for_loop): Adjust call to
1612 compute_all_dependences.
1614 2006-04-01 Roger Sayle <roger@eyesopen.com>
1615 Richard Henderson <rth@redhat.com>
1617 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1618 gimple_boolify on the condition before calling gimplify_expr.
1620 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1622 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1623 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1624 the frame size. Update to use the new macros.
1625 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1626 * config/xtensa/ieee754-df.S: Likewise.
1628 2006-03-31 Richard Henderson <rth@redhat.com>
1630 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1631 (make_edges): ... here. Control fallthru creation with a local
1632 variable. Do not play with fake edges.
1633 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1634 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1637 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1639 * dwarf2.h (DW64_CIE_ID): Define.
1640 * dwarf2out.c (DWARF_CIE_ID): Define.
1641 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1642 length header. Use DWARF_CIE_ID.
1643 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1644 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1646 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1648 * config/sh/linux-atomic.asm: New file.
1649 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1651 2006-03-31 DJ Delorie <dj@redhat.com>
1653 * config/m32c/cond.md: Set condition flags properly throughout.
1654 * config/m32c/minmax.md: Likewise.
1655 * config/m32c/prologue.md: Likewise.
1656 * config/m32c/bitops.md: Likewise.
1657 * config/m32c/muldiv.md: Likewise.
1658 * config/m32c/mov.md: Likewise.
1659 * config/m32c/addsub.md: Likewise.
1660 * config/m32c/m32c.md: Likewise.
1661 * config/m32c/jump.md: Likewise.
1662 * config/m32c/shift.md: Likewise.
1664 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1665 conditionally output the pattern for this.
1666 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1667 (m32c_compare_redundant): New.
1668 (m32c_output_compare): New.
1669 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1671 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1672 dest, not src. Allow other 4-byte modes.
1674 2006-03-30 Denis Chertykov <denisc@overta.ru>
1676 * doc/md.texi: Refer to avr/constraints.md instead of
1679 2006-03-30 Roger Sayle <roger@eyesopen.com>
1681 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1682 signed vs. unsigned comparison failures on some hosts.
1684 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1687 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1688 change to FLOAT_REGS.
1690 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1691 (rs6000_override_options): Use it.
1692 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1693 only for -mabi=spe/no-spe and -mabi=altivec.
1695 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1697 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1700 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1702 * Makefile.in: Rename docdir to gcc_docdir.
1704 2006-03-30 Roger Sayle <roger@eyesopen.com>
1707 * expr.c (emit_group_store): Optimize group stores into a pseudo
1708 register by using a paradoxical subreg to initialize the destination
1709 if the first or last member of the group specifies a "low part".
1711 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1714 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1715 * target.h (struct gcc_target.speculate_insn): Change type of the
1716 second parameter to 'int'.
1717 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1718 the second operand of the DEPS_LIST.
1719 (copy_DEPS_LIST_list): Update reference to the second operand of the
1721 * rtl.h (alloc_DEPS_LIST): Update signature.
1722 * sched-int.h (ds_t): Change typedef to 'int'.
1723 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1725 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1727 * haifa-sched.c (try_ready): Change condition to restore
1728 non-speculative pattern of the instruction.
1729 (process_insn_depend_be_in_spec): Code to keep probability of the
1730 speculative dependence non-decreasing.
1732 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1734 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1735 (single_move_for_movmem): ... this. Also change all uses.
1736 (bfin_expand_strmov): Renamed to...
1737 (bfin_expand_movmem): ... this. Also change all uses.
1738 * config/bfin/bfin.md (movstrsi): Renamed to...
1739 (movstrsi): ...this.
1741 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1743 PR tree-optimization/26830
1745 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1746 (copy_prop_visit_stmt): Remove write-only variable ann.
1747 (init_copy_prop): Check variable loop depth here. Do not simulate
1748 memory-tag and virtual operand PHIs except for store copy prop.
1750 2006-03-30 Richard Guenther <rguenther@suse.de>
1752 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1753 variants with double arguments.
1755 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1757 * genpreds.c (write_tm_constrs_h): Delete variable p.
1758 * genconditions.c (write_header): Add tm-constrs.h to included
1760 * genpeep.c (main): Add toplev.h to included headers.
1761 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1762 (build/genpeep.o): Add toplev.h dependency.
1763 * config/rs6000/constraints.md: Add "W" constraint.
1765 2006-03-29 Roger Sayle <roger@eyesopen.com>
1767 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1768 sizes by correctly testing whether the size fits a host integer.
1769 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1770 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1771 SImode range for the default sizetype and bitsizetype.
1773 2006-03-29 Roger Sayle <roger@eyesopen.com>
1775 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1776 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1777 quickly if the argument is already of the correct type.
1778 Call fold_build1 instead of build1. Tidy up blank lines.
1780 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1782 * genemit.c (main): Add tm-constrs.h to included headers.
1783 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1784 * genpeep.c (main): Add tm-constrs.h to included headers.
1785 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1786 (write_tm_constrs_h): this and write complete file.
1787 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1788 (write_insn_preds_c): Add tm-constrs.h to included headers.
1789 (gen_constrs): New variable.
1790 (parse_option): Parse "-c".
1791 (main): Invoke write_tm_constrs_h.
1792 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1793 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1794 (object_out_file): Add tm-constrs.h dependency.
1795 (insn-emit.o): Same.
1796 (insn-output.o): Same.
1797 (insn-peep.o): Same.
1798 (insn-preds.o): Same.
1799 (insn-recog.o): Same.
1800 (tm-constsr.h): New target.
1801 (s-constrs-h): New target.
1803 * config/rs6000/constraints.md: New file.
1804 * config/rs6000/rs6000.c: Include tm-constrs.h.
1805 (num_insn_constant_wide): Convert to satisfies_constraint.
1806 (rs6000_rtx_costs): Convert to satisfies_constraint.
1807 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1808 (CONST_OK_FOR_LETTER_P): Delete.
1809 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1810 (EXTRA_CONSTRAINT): Delete.
1811 (EXTRA_MEMORY_CONSTRAINT): Delete.
1812 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1813 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1814 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1815 satisfies_constraint.
1817 * config/i386/i386.c: Include tm-constrs.h.
1819 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1821 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1822 * tree-data-ref.c (find_data_references_in_loop,
1823 compute_data_dependences_for_loop): Use pointers to VEC.
1824 (analyze_all_data_dependences): Adjust calls.
1825 * tree-data-ref.h (find_data_references_in_loop,
1826 compute_data_dependences_for_loop): Adjust declarations.
1827 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1828 compute_data_dependences_for_loop.
1830 2006-03-29 Paul Brook <paul@codesourcery.com>
1832 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1835 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1837 PR tree-optimization/26859
1838 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1840 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1841 for the step after fold_convert.
1843 2006-03-29 Paul Brook <paul@codesourcery.com>
1845 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1846 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1848 2006-03-29 Paul Brook <paul@codesourcery.com>
1851 * targhooks.c (default_narrow_bitfield): New fuction.
1852 * targhooks.h (default_narrow_bitfield): add prototype.
1853 * target.h (gcc_target): Add narrow_volatile_bitfield.
1854 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1855 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1856 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1857 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1859 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1861 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1863 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1864 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1865 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1866 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1867 (s390_function_arg_float): Allow SDmode and DDmode values to be
1868 passed in floating point registers.
1869 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1870 check with SCALAR_FLOAT_MODE_P.
1871 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1873 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1875 PR tree-optimization/25985
1876 * tree-ssa-loop-niter.c (number_of_iterations_le,
1877 number_of_iterations_ne): Make comments more precise.
1878 (number_of_iterations_cond): Add only_exit argument. Use the
1879 fact that signed variables do not overflow only when only_exit
1881 (loop_only_exit_p): New.
1882 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1883 number_of_iterations_cond.
1885 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1887 PR tree-optimization/26643
1888 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1891 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1893 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1894 (divsi3_i4_int): Likewise.
1896 2006-03-28 Roger Sayle <roger@eyesopen.com>
1898 * expr.c (emit_group_store): Only create a new pseudo reg if the
1899 quantity it needs to hold isn't already a suitable pseudo.
1901 2006-03-28 Jeff Law <law@redhat.com>
1903 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1904 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1906 2006-03-28 Roger Sayle <roger@eyesopen.com>
1908 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1909 the equivalent ~X & Y, and the symmetry related transformations.
1910 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1911 ~X & Y, and symmetry related transforms.
1913 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1915 Revert my 2006-03-27 patches.
1917 2006-03-28 Roger Sayle <roger@eyesopen.com>
1919 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1920 ~(T1)X, when T1 and T2 are integer types of the same precision
1921 and (T2)X isn't an extension.
1923 2006-03-28 Jeff Law <law@redhat.com>
1925 PR tree-optimization/26796
1926 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1927 need EH edge cleanups rather than purging them immediately.
1928 (eliminate_degenerate_phis): Handle queued EH cleanups.
1930 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1932 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1935 2006-03-27 Roger Sayle <roger@eyesopen.com>
1938 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1939 cast BIT_NOT_EXPR operand to the correct type.
1941 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1943 * tree-loop-linear.c: Don't include varray.h.
1944 (gather_interchange_stats, try_interchange_loops,
1945 linear_transform_loops): Use VEC instead of VARRAY.
1946 * lambda-mat.c: Don't include varray.h.
1947 * tree-chrec.c: Same.
1948 * lambda-trans.c: Same.
1949 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1950 VEC instead of VARRAY.
1951 * tree-vectorizer.h: Idem.
1952 * tree-data-ref.c (dump_data_references,
1953 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1954 initialize_data_dependence_relation, finalize_ddr_dependent,
1955 compute_all_dependences, find_data_references_in_loop,
1956 compute_data_dependences_for_loop, analyze_all_data_dependences,
1957 free_dependence_relation, free_dependence_relations,
1958 free_data_refs): Idem.
1959 * tree-data-ref.h (data_reference_p, subscript_p): New.
1960 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1961 VEC instead of VARRAY.
1962 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1963 (find_data_references_in_loop, compute_data_dependences_for_loop,
1964 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1965 dump_data_dependence_relations, free_dependence_relations,
1966 free_data_refs): Adjust declaration.
1967 (lambda_transform_legal_p): Move declaration here...
1968 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1969 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1970 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1971 vect_analyze_data_refs): Use VEC instead of VARRAY.
1972 * lambda.h (lambda_transform_legal_p): ...from here.
1973 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1974 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1975 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1976 tree-chrec.o): Don't depend on VARRAY_H.
1978 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1980 * rtl.def (Copyright): Update date.
1981 (DEPS_LIST): Change type of the second operand to 'int'.
1982 * target.h (Copyright): Update date.
1983 (struct gcc_target.speculate_insn): Change type of the second parameter
1985 * lists.c (Copyright): Update date.
1986 (alloc_DEPS_LIST): Change signature. Update reference to the second
1987 operand of the DEPS_LIST.
1988 (copy_DEPS_LIST_list): Update reference to the second operand of the
1990 * rtl.h (Copyright): Update date.
1991 (alloc_DEPS_LIST): Update signature.
1992 * sched-int.h (Copyright): Update date.
1993 (ds_t): Change typedef to 'int'.
1994 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1996 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1998 * haifa-sched.c (Copyright): Update date.
1999 (try_ready): Change condition to restore non-speculative pattern
2001 (process_insn_depend_be_in_spec): Code to keep probability of the
2002 speculative dependence non-decreasing.
2004 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2006 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2007 shut up the compiler.
2009 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2011 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2012 to use lib prefix for target.
2013 ($(T)libic_invalidate_array_4-200.a): Likewise.
2014 ($(T)libic_invalidate_array_4a.a): Likewise.
2016 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2017 J"orn Rennecke <joern.rennecke@st.com>
2019 * superh.opt: New file.
2020 * sh.c (boardtype, osruntime): Remove.
2021 * superh.h (SUBTARGET_OPTIONS): Remove.
2022 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2024 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2025 arguments with ^ and/or [].
2027 * config.gcc (sh-*-*): Add quoting to account for quirk of
2029 Replace == with = in enable_incomplete_targets test.
2031 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2032 with MASK_LITTLE_ENDIAN.
2034 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2035 * config/sh/sh.opt: Added to some comments.
2036 * config/sh/superh.h: Removed some chaff.
2038 * config/sh/sh.opt: Add m4-[1234]00* options.
2039 * config/sh/sh.c (sh_handle_option): Likewise.
2040 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2041 (ic_invalidate_array_4-100.o): New rule.
2042 ($(T)libic_invalidate_array_4-100.a): Likewise.
2043 (ic_invalidate_array_4-200.o): Likewise.
2044 ($(T)libic_invalidate_array_4-200.a): Likewise.
2045 (ic_invalidate_array_4a.o): Likewise.
2046 ($(T)libic_invalidate_array_4a.a): Likewise.
2047 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2048 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2050 * config/sh/crt1.asm: Merged in profiling code.
2051 * config/sh/superh.h (STARTFILE_SPEC): Override.
2052 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2053 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2054 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2056 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2057 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2058 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2060 * sh.opt (mpretend-cmove): New option.
2061 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2062 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2063 (movsicc): Add TARGET_PRETEND_CMOVE code.
2065 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2067 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2068 s390_class_max_nregs): New function prototypes.
2069 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2070 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2071 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2072 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2074 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2076 * dwarf2out.c (add_location_or_const_value_attribute): Call
2077 tree_add_const_value_attribute if nothing else works.
2078 (reference_to_unused): New.
2079 (rtl_for_decl_init): Use reference_to_unused to decide whether
2080 to output an initializer.
2082 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2085 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2086 peephole removing spe frob_di_df_2.
2088 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2090 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2091 (subscript_dependence_tester_1): Declared.
2092 (print_dir_vectors, print_dist_vectors): New.
2093 (debug_data_dependence_relation): New.
2094 (dump_data_dependence_relation): Print more details.
2095 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2096 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2097 (save_dist_v, save_dir_v, add_outer_distances,
2098 build_classic_dist_vector_1): New.
2099 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2100 Don't test for lambda_vector_lexico_pos.
2101 (same_access_functions, add_multivariate_self_dist,
2102 add_other_self_distances, dir_from_dist): New.
2103 (build_classic_dir_vector): Replace implementation almost identical to
2104 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2106 (subscript_dependence_tester_1): New.
2107 (subscript_dependence_tester): Handle the lexicographically negative
2108 distance vectors by recomputing the dependence relation.
2109 (compute_affine_dependence): Remove parameter loop_nest_depth.
2110 (compute_self_dependence): Don't call compute_subscript_distance.
2111 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2112 Add a parameter for the loop_nest.
2113 (find_loop_nest_1, find_loop_nest): New.
2114 (compute_data_dependences_for_loop): Compute the loop nest, and give
2115 up if the nest is not well formed.
2116 * tree-data-ref.h (loop_p): New.
2117 (struct data_dependence_relation): Replace size_vect field with
2118 loop_nest, a vec of loops.
2119 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2120 (DDR_LOOP_NEST): New.
2121 (print_dir_vectors, print_dist_vectors,
2122 debug_data_dependence_relation): Declared.
2123 (index_in_loop_nest): New.
2124 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2125 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2128 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2130 * simplify-rtx.c (simplify_relational_operation): Call
2131 simplify_relational_operation_1 even if mode is VOIDmode.
2133 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2135 PR tree-optimization/26804
2136 * tree.h (DECL_CALL_CLOBBERED): New macro.
2137 (tree_decl_common): Add call_clobbered_flag.
2138 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2139 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2140 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2141 (mark_non_addressable): Ditto.
2142 * tree-ssa.c (verify_call_clobbered): New function.
2143 (verify_alias_info): Use it.
2144 * tree-pass.h (pass_reset_cc_flags): New prototype.
2145 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2146 (reset_cc_flags): New function.
2147 * passes.c (init_optimization_passes): Call reset_cc_flags after
2148 initializing referenced_vars.
2150 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2151 Roger Sayle <roger@eyesopen.com>
2154 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2155 to 1.0 for non-real operands. Implement A / A optimization for
2158 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2160 * config/i386/i386.c (size_cost): Correct the comment for
2161 cost of storing fp registers.
2162 (i386_cost): Likewise.
2163 (i486_cost): Likewise.
2164 (pentium_cost): Likewise.
2165 (pentiumpro_cost): Likewise.
2166 (k6_cost): Likewise.
2167 (athlon_cost): Likewise.
2168 (k8_cost): Likewise.
2169 (pentium4_cost): Likewise.
2170 (nocona_cost): Likewise.
2171 (generic64_cost): Likewise.
2172 (generic32_cost): Likewise.
2174 2006-03-24 Denis Chertykov <denisc@overta.ru>
2176 * config/avr/avr-protos.h (extra_constraint): Delete.
2177 (extra_constraint_Q): New declaration.
2178 * config/avr/constraints.md: New file.
2179 * config/avr/avr.md: Include it.
2180 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2181 (TMP_REGNO, ZERO_REGNO): Likewise.
2182 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2183 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2184 (extra_constraint): Delete.
2185 (extra_constraint_Q): Test for memory constraint 'Q'.
2186 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2187 (REG_CLASS_FROM_LETTER): Delete.
2188 (CONST_OK_FOR_LETTER_P): Delete.
2189 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2190 (EXTRA_CONSTRAINT): Delete.
2191 (TMP_REGNO): Delete.
2192 (ZERO_REGNO): Delete.
2194 2006-03-24 Jeff Law <law@redhat.com>
2196 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2197 directly. Call mark_new_vars_to_rename slightly earlier.
2199 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2201 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2203 (gen_compile_unit_die): Use new language types for Objective-C and
2205 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2206 DW_LANG_C_plus_plus.
2209 * config/t-darwin (crt3.o): Work around bug 26840.
2210 * config/darwin-crt3.c: Rewrite.
2211 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2213 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2215 * doc/invoke.texi: Document -femit-class-debug-always
2216 * common.opt: Add -femit-class-debug-always.
2218 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2220 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2221 index and base register.
2222 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2223 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2224 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2225 REGNO_OK_FOR_INDEX_P.
2226 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2228 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2229 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2230 REG_OK_FOR_BASE_P): Definitions removed.
2232 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2235 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2236 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2237 set yet or weren't marked as local yet.
2239 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2241 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2244 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2246 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2247 (rs6000_legitimate_small_data_p): Delete.
2248 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2249 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2250 and make static. Add forward declaration. Update uses.
2251 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2252 of offsettable_memref_p.
2253 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2254 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2256 2006-03-24 Jeff Law <law@redhat.com>
2258 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2259 around bug in immediate-use iterator.
2261 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2264 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2265 or __LITTLE_ENDIAN__.
2267 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2269 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2270 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2271 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2272 * config/sh/sh.opt (mdiv=): Amend description.
2273 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2274 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2275 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2276 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2277 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2278 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2279 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2280 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2281 TARGET_DIVIDE_CALL_FP.
2283 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2285 * haifa-sched.c (choose_ready): Fix type of the local variable.
2286 Move local variables. Add comment.
2287 (check_reg_live): Change signature. Make callable from debugger.
2288 * sched-int.h (check_reg_live): Update signature.
2289 * sched-ebb.c (check_reg_live): Update parameters.
2290 * sched-rgn.c (check_reg_live): Ditto.
2291 (region_head_or_leaf_p): Check pointer before dereferencing.
2292 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2293 before reload on optimization levels below 1.
2295 2006-03-23 Richard Henderson <rth@redhat.com>
2297 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2301 * config/alpha/predicates.md (local_symbolic_operand): Reject
2304 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2307 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2308 expressions which have overflowed constants.
2310 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2312 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2314 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2316 * cfgloopmanip.c (create_loop_notes): Removed.
2317 * final.c (final_scan_insn): Do not handle loop notes.
2318 * jump.c (squeeze_notes): Ditto.
2319 * cfglayout.c (skip_insns_after_block,
2320 duplicate_insn_chain): Ditto.
2321 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2323 * cfgloop.h (create_loop_notes): Declaration removed.
2325 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2327 * varasm.c (output_constant_pool): Restore fnname and fndecl
2329 (assemble_start_function): Adjust call accordingly.
2330 (assemble_end_function): Likewise.
2332 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2335 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2338 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2340 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2343 * system.h (ICE_EXIT_CODE): New macro.
2344 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2345 (diagnostic_action_after_output): Likewise.
2346 * gcc.c (fatal_ice): New function.
2347 (execute): Use it instead of fatal.
2348 (fancy_abort): Likewise.
2349 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2351 2006-03-22 Jeff Law <law@redhat.com>
2353 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2354 iv_analyze_result returning false.
2356 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2358 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2360 2006-03-22 Richard Henderson <rth@redhat.com>
2363 * except.c (duplicate_eh_regions_0): New.
2364 (duplicate_eh_region_1): Duplicate the children of the node as
2365 well as the node itself. Link them up properly.
2366 (duplicate_eh_region_2): Merge into ...
2367 (duplicate_eh_regions): ... here. Take copy_region argument, and
2368 copy only a sub-tree if asked. Simplify copying and fixup.
2369 (eh_region_outer_p): New.
2370 * except.h (duplicate_eh_regions): Update decl.
2371 (eh_region_outer_p): Declare.
2372 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2373 (lower_omp_master): Likewise.
2374 (lower_omp_ordered): Likewise.
2375 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2376 (move_stmt_r): Use it to remap labels. Handle recursion vs
2377 remap_decls_p properly.
2378 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2379 (find_outermost_region_in_block): New.
2380 (new_label_mapper): New.
2381 (move_sese_region_to_fn): Copy eh information to the new function
2383 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2385 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2388 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2390 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2391 into shared libraries.
2393 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2395 * doc/md.texi: Refer to i386/constraints.md instead of
2397 * config/i386/constraints.md: New file, extracted from...
2398 * config/i386/predicates.md: ...here.
2399 * config/i386/i386.md: Include constraints.md.
2401 2006-03-21 Jason Merrill <jason@redhat.com>
2403 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2406 * expr.c (init_block_move_fn): Force default visibility.
2407 (init_block_clear_fn): Likewise.
2408 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2409 * targhooks.c (default_external_stack_protect_fail): Likewise.
2411 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2413 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2414 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2415 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2416 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2417 (loadgp): Use mips_current_loadgp_style.
2418 (loadgp_noshared): New pattern.
2419 (sibcall_internal): Use MIPS_CALL.
2420 (sibcall_value_internal): Likewise.
2421 (sibcall_value_multiple_internal): Likewise.
2422 (call_internal): Likewise.
2423 (call_value_internal): Likewise.
2424 (call_value_multiple_internal): Likewise.
2425 (call_split): Use MIPS_CALL and add an 'S' constraint.
2426 (call_value_split): Likewise.
2427 (call_value_multiple_split): Likewise.
2428 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2429 (-mshared): New option.
2430 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2431 (mips_current_loadgp_style): Declare.
2432 * config/mips/mips.c (mips_classify_symbol): Avoid using
2433 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2434 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2435 TARGET_ABSOLUTE_ABICALLS.
2436 (override_options): Adjust comments. Improve the warning that is
2437 issued when -mabicalls and -G are used together.
2438 (mips_file_start): Remove comment.
2439 (mips_current_loadgp_style): New function.
2440 (mips_gnu_local_gp): New variable.
2441 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2443 (mips_output_function_prologue): Use mips_current_laodgp_style.
2444 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2445 the cprestore instruction.
2446 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2447 live for TARGET_ABSOLUTE_ABICALLS.
2448 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2449 (ASM_SPEC): Pass down -mshared and -mno-shared.
2450 (MIPS_CALL): New macro.
2451 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2453 * doc/invoke.texi (-mabicalls): Update documentation.
2454 (-mshared): Document.
2456 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2458 * config/ia64/unwind-hpux.c: New file.
2459 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2461 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2464 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2466 2006-03-21 Jeff Law <law@redhat.com>
2468 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2469 type conversions of a VR_VARYING source to a wider type.
2471 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2473 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2474 tm_file on Solaris 10 and later.
2475 (sparc64-*-solaris2*): Likewise.
2476 (sparc-*-solaris2*): Likewise.
2477 * config/sol26.h: Rename to config/sol2-6.h.
2478 * config/sol2-10.h: New file.
2480 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2483 * tree-ssa-pre.c (create_component_ref_by_pieces):
2486 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2489 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2490 return it immediately.
2492 2006-03-21 Michael Matz <matz@suse.de>
2494 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2496 (remove_arc, add_arc): Update num_out_arcs member.
2497 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2499 (cache_presence): New function.
2500 (compare_states_for_equiv): New function.
2501 (state_is_differed): Don't take number of outargs, adjust callers.
2502 Use new invariant for speeding up.
2503 (init_equiv_class): Create initial classes based on sorted
2505 (partition_equiv_class): Don't track out_arcs_num.
2506 (evaluate_equiv_classes): Call cache_presence on all states and
2509 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2511 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2512 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2513 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2514 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2516 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2517 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2518 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2519 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2520 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2522 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2523 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2524 (REGNO_REG_CLASS): ARGP is in PREGS.
2525 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2527 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2528 to deal with those addresses.
2529 * addresses.h: New file.
2530 * caller-save.c: Include "addresses.h".
2531 (init_caller_save): Use new base_reg_class function.
2532 * rtl-factoring.c: Include "addresses.h".
2533 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2534 * recog.c: Include "addresses.h".
2535 (preprocess_constraints): Use new base_reg_class function.
2536 * regrename.c: Include "addresses.h".
2537 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2538 functions. Keep track of a new var INDEX_CODE to compute valid
2540 (replace_oldest_value_addr): Likewise.
2541 (replace_oldest_value_mem): Use base_reg_class.
2542 * reload.c: Include "addresses.h".
2543 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2544 (find_reloads): Use new base_reg_class function.
2545 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2546 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2547 all callers and prototype changed.
2548 * reload1.c: Include "addresses.h".
2549 (maybe_fix_stack_asms): Use base_reg_class.
2550 * regclass.c: Include "addresses.h".
2551 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2552 (init_reg_autoinc): Use new base_reg_class function.
2553 (record_reg_classes): Likewise.
2554 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2555 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2556 Use new args to compute necessary class.
2558 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2559 regrename.o, rtl-factoring.o): Update dependencies.
2560 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2561 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2562 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2563 REG_OK_FOR_INDEX_P): Delete documentation.
2565 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2567 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2568 from V7 to V9 for Solaris 7 and above.
2570 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2572 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2573 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2574 argument pointers may not alias any other storage.
2575 * common.opt: Define option -fargument-noalias-anything.
2576 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2577 alias semantics is specified by flag_argument_noalias > 2.
2579 2006-03-20 Jeff Law <law@redhat.com>
2581 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2582 (pass_phi_only_cprop): Declare.
2583 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2585 * tree-ssa-dom.c (degenerate_phi_result): New function.
2586 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2587 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2588 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2589 (eliminate_degenerate_phis): Likewise.
2590 (pass_phi_only_cprop): New pass descriptor.
2591 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2592 support code. Callers updated.
2593 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2594 (store_copy_prop): Likewise.
2595 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2597 2006-03-20 Jason Merrill <jason@redhat.com>
2600 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2601 (push_visibility, pop_visibility): Likewise.
2602 * c-pragma.h: Declare them.
2604 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2606 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2608 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2609 parameter and use get_ebb_head_tail.
2610 (sh_md_init_global): Adjust uses of find_regmode_weight.
2612 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2614 * function.h (struct function) <x_tail_recursion_reentry>:
2615 Rename to x_stack_check_probe_note.
2616 (tail_recursion_reentry): Rename to stack_check_probe_note.
2617 * function.c: Replace tail_recursion_reentry with
2618 stack_check_probe_note everywhere.
2619 (expand_function_start): Only emit a note for
2620 stack_check_probe_note with -fstack-protect.
2621 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2623 * emit-rtl.c (remove_unnecessary_notes): Remove.
2624 (pass_remove_unnecessary_notes): Remove.
2625 * rtl.h (remove_unnecessary_notes): Remove prototype.
2626 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2627 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2628 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2630 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2633 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2634 (valid_in_set): Handle ARRAY_REF.
2635 Change "if min_variant or VH" to asserts.
2636 (create_component_ref_by_pieces): Handle ARRAY_REF.
2637 (create_expression_by_pieces): Likewise.
2638 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2640 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2642 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2643 is operand of switch, not str[0].
2645 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2647 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2648 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2650 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2652 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2653 end of insn_extra_address_constraint declaration.
2655 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2657 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2658 (no-sum-in-toc): Same.
2659 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2661 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2662 NO_FP_IN_TOC for -fPIC instead of mask.
2664 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2665 (BOOT_LDFLAGS): Delete.
2667 * config/rs6000/t-aix52: Same.
2669 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2670 (stmsi[345678]_power): New.
2672 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2674 * config/ia64/ia64.opt: Add empty line to end of file.
2676 2006-03-17 Richard Guenther <rguenther@suse.de>
2679 * builtins.c (get_pointer_alignment): For component style references
2680 adjust alignment to the component type alignment. Make sure
2681 to adjust alignment for component access of constants.
2683 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2685 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2688 2006-03-17 Paul Brook <paul@codesourcery.com>
2690 * doc/install.texi: Docuemnt --with-mode.
2691 * config.gcc: Add --with-mode for arm*-*-*.
2692 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2694 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2696 * sh.c (max_labelno_before_reorg): New variable.
2697 (sh_reorg): Initialize it.
2698 (find_barrier): Check max_labelno_before_reorg before using
2699 label_to_alignment. Take length of explicit alignment insns
2700 into account. When seeing a UNSPECV_CONST_END, return it.
2702 * sh.c (fixup_mova): Set mode of affected label to QImode.
2703 (untangle_mova): New function.
2704 (find_barrier): Use it. Check mode of label before decrementing
2706 (sh_reorg): Likewise.
2707 Set mode of all insns back to VOIDmode.
2709 * sh.c (MOVA_LABELREF): New macro.
2710 (mova_p, fixup_mova, sh_reorg): Use it.
2711 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2712 ADDR_DIFF_VEC matches mova.
2714 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2716 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2717 with ATTRIBUTE_UNUSED.
2719 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2721 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2722 pointer, instead of assuming it is possible to derive the
2723 correct args size from a call insn.
2725 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2727 * rtl.h (CONST_INT_P): Define.
2728 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2729 instead of GET_CODE(x) == CONST_INT.
2730 (vax_rtx_costs): Likewise.
2731 (vax_output_int_move): Likewise.
2732 (vax_output_int_add): Likewise.
2733 (legitimate_constant_address_p): Likewise.
2734 (index_term_p): Likewise.
2735 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2736 * config/vax/vax.md (and<mode>3): Likewise.
2737 (ashrsi3): Likewise.
2739 (movstricthi): Likewise.
2740 (movstrictqi): Likewise.
2741 (rotrsi3): Likewise.
2742 (five unnamed insns): Likewise.
2744 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2746 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2747 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2748 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2749 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2750 Pass to ASM_OUTPUT_DWARF_OFFSET.
2751 * dwarf2out.c (debug_frame_section): New.
2752 (output_call_frame_info): Use debug_frame_section. Pass it to
2753 dw2_asm_output_offset.
2754 (output_die): Pass appropriate section to dw2_asm_output_offset.
2755 (output_compilation_unit_header): Likewise.
2756 (output_pubnames): Likewise.
2757 (output_aranges): Likewise.
2758 (enum dw_val_class): Break dw_val_class_lbl_offset into
2759 dw_val_class_lineptr and dw_val_class_macptr.
2760 (add_AT_lbl_offset): Delete.
2761 (add_AT_lineptr): New.
2762 (add_AT_macptr): New.
2763 (AT_lbl): Expect a lineptr or macptr.
2764 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2765 (attr_checksum): Likewise.
2766 (same_dw_val_p): Likewise.
2767 (size_of_die): Likewise.
2768 (value_format): Likewise.
2769 (output_die): Likewise.
2770 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2772 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2773 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2774 * config/darwin-protos.h (darwin_file_start): New.
2775 (darwin_asm_output_dwarf_offset): New.
2776 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2777 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2779 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2780 if not EH section; simplify.
2781 (darwin_file_start): New.
2782 (darwin_asm_output_dwarf_offset): New.
2783 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2785 (DEBUG_INFO_SECTION): Likewise.
2786 (DEBUG_ABBREV_SECTION): Likewise.
2787 (DEBUG_ARANGES_SECTION): Likewise.
2788 (DEBUG_MACINFO_SECTION): Likewise.
2789 (DEBUG_LINE_SECTION): Likewise.
2790 (DEBUG_LOC_SECTION): Likewise.
2791 (DEBUG_PUBNAMES_SECTION): Likewise.
2792 (DEBUG_STR_SECTION): Likewise.
2793 (DEBUG_RANGES_SECTION): Likewise.
2794 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2795 (ASM_OUTPUT_DWARF_OFFSET): New.
2797 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2799 * config.gcc (tm_defines): Always add to previous value rather
2802 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2804 * config/mips/predicates.md (splittable_const_int_operand): New,
2805 split from move_operand.
2806 (splittable_symbolic_operand): New.
2807 (move_operand): Add commentary. Use splittable_const_int_operand.
2808 Inline mips_atomic_symbolic_constant_p.
2809 * config/mips/mips.md: Add combine splitters for handling moves
2810 of splittable_const_int_operands and splittable_symbolic_operands.
2811 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2812 (mips_split_symbol): Declare.
2813 (mips_move_integer): Declare.
2814 * config/mips/mips.c (mips_split_p): Make global.
2815 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2816 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2817 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2818 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2819 (mips_offset_within_object_p): Handle block symbols.
2820 (mips_atomic_symbolic_constant_p): Delete.
2821 (mips_cannot_force_const_mem): Return false for constants that
2822 mips_legitimize_move can handle.
2823 (mips_use_blocks_for_constant_p): New function.
2824 (mips_split_symbol): Make global.
2825 (mips_move_integer): Likewise. Add a temporary register argument.
2826 (mips_legitimize_const_move): Use splittable_const_int_operand and
2827 splittable_symbolic_operand.
2828 (mips_use_anchors_for_symbol_p): New function.
2829 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2830 (mips_split_p): Declare.
2832 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2834 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2835 (mips*-*-linux*): Likewise.
2837 2006-03-16 Roger Sayle <roger@eyesopen.com>
2838 Daniel Speyer <dspeyer@wam.umd.edu>
2841 * tree-dump.c (dump_real): New function.
2842 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2843 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2844 (tree-dump.o): Add $(REAL_H) to the dependencies.
2846 2006-03-16 Roger Sayle <roger@eyesopen.com>
2849 * real.c (real_from_string): If the mantissa is zero, don't bother
2850 parsing the exponent as the result should always be zero.
2852 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2854 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2856 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2858 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2859 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2860 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2861 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2862 ia64_sched_finish_global): New static functions to implement
2863 hooks from gcc_target.sched.
2864 (spec_check_no, max_uid, pending_data_specs): New static variables.
2865 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2866 ia64_spec_check_src_p): New static functions.
2867 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2868 (TARGET_SCHED_ADJUST_COST): Removed.
2869 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2870 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2871 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2872 TARGET_SCHED_GEN_CHECK,
2873 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2874 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2875 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2876 Fixed to handle speculation checks.
2877 (rtx_needs_barrier): Fixed to handle speculative loads and
2879 (ia64_variable_issue): Added code to count speculative loads and their
2881 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2883 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2885 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2887 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2888 (ia64_reorg): Reset stops_p to NULL after it is freed.
2889 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2890 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2891 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2893 (data_speculative, control_speculative, check_load): New attributes.
2894 (mov<mode>_advanced, mov<mode>_speculative,
2895 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2896 zero_extend<mode>di2_speculative,
2897 zero_extend<mode>di2_speculative_advanced): New patterns for
2898 data and control speculative loads.
2899 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2901 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2902 New pattern for data and control speculation checks.
2903 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2904 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2905 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2906 Auxiliary definitions for the patterns.
2907 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2908 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2910 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2912 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2913 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2914 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2915 New resource constraints.
2916 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2918 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2919 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2920 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2921 msched-in-control-spec, msched-ldc, msched-control-ldc,
2922 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2923 msched-prefer-non-control-spec-insns,
2924 msched-count-spec-in-critical-path): New flags to tune speculative
2926 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2927 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2928 msched-in-control-spec, msched-ldc, msched-control-ldc,
2929 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2930 msched-prefer-non-control-spec-insns,
2931 msched-count-spec-in-critical-path): Document new flags.
2933 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2935 * target.h (struct spec_info_def): New opaque declaration.
2936 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2937 speculate_insn, needs_block_p, gen_check,
2938 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2939 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2940 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2941 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2942 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2943 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2945 (TARGET_SCHED): Use new macros.
2946 * rtl.h (copy_DEPS_LIST_list): New prototype.
2947 * sched-int.h (struct sched_info): Change signature of new_ready field,
2948 adjust all initializations. New fields: add_remove_insn,
2949 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2950 region_head_or_leaf_p.
2951 (struct spec_info_def): New structure declaration.
2952 (spec_info_t): New typedef.
2953 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2954 recovery_block, orig_pat.
2955 (glat_start, glat_end): New variables declaraions.
2956 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2958 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2959 DETACH_LIFE_INFO, USE_GLAT.
2960 (enum SPEC_SCHED_FLAGS): New enumeration.
2961 (NOTE_NOTE_BB_P): New macro.
2962 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2963 attach_life_info, debug_spec_status, check_reg_live): New functions.
2964 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2965 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2967 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2968 * ddg.c (get_block_head_tail): Adjust all uses.
2969 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2970 (sms_sched_info): Initialize new fields.
2971 (contributes_to_priority): Removed.
2972 * haifa-sched.c (params.h): New include.
2973 (get_block_head_tail): Adjust all uses.
2974 (ISSUE_POINTS): New macro.
2975 (glat_start, glat_end): New global variables.
2976 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2977 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2978 old_last_basic_block, before_recovery, current_sched_info_var,
2979 rgn_n_insns, luid): New static variables.
2980 (insn_cost1): New function. Move logic from insn_cost to here.
2981 (find_insn_reg_weight1): New function. Move logic from
2982 find_insn_reg_weight to here.
2983 (reemit_notes, move_insn, max_issue): Change signature.
2984 (move_insn1): Removed.
2985 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2986 extend_bb): New static functions to support extension of scheduler's
2988 (generate_recovery_code, process_insn_depend_be_in_spec,
2989 begin_speculative_block, add_to_speculative_block,
2990 init_before_recovery, create_recovery_block, create_check_block_twin,
2991 fix_recovery_deps): New static functions to support
2992 generation of recovery code.
2993 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2994 restore_bb_notes, move_block_after_check, move_succs): New static
2995 functions to support ebb scheduling.
2996 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2997 functions to support handling of register live information.
2998 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2999 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3000 add_jump_dependencies): New static functions.
3001 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3002 consistancy checking.
3003 (debug_spec_status): New function to call from debugger.
3004 (priority): Added code to handle speculation checks.
3005 (rank_for_schedule): Added code to distinguish speculative instructions.
3006 (schedule_insn): Added code to handle speculation checks.
3007 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3008 Fixed to handle ebbs.
3009 (move_insn): Added code to handle ebb scheduling.
3010 (max_issue): Added code to use ISSUE_POINTS of instructions.
3011 (choose_ready): Added code to choose between speculative and
3012 non-speculative instructions.
3013 (schedule_block): Added code to handle ebb scheduling and scheduling of
3014 speculative instructions.
3015 (sched_init): Initialize new variables.
3016 (sched_finish): Free new variables. Print statistics.
3017 (try_ready): Added code to handle speculative instructions.
3018 * lists.c (copy_DEPS_LIST_list): New function.
3019 * sched-deps.c (extend_dependency_caches): New function. Move logic
3020 from create_dependency_caches to here.
3021 (get_dep_weak, ds_merge): Make global.
3022 * genattr.c (main): Code to output prototype for
3023 dfa_clear_single_insn_cache.
3024 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3025 (output_dfa_clean_insn_cache_func): Code to output
3026 dfa_clear_single_insn_cache function.
3027 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3029 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3031 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3032 New static variables.
3033 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3034 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3036 (ebb_sched_info): Initialize new fields.
3037 (get_block_head_tail): Adjust all uses.
3038 (compute_jump_reg_dependencies): Fixed to use glat_start.
3039 (schedule_ebb): Code to remove unreachable last block.
3040 (schedule_ebbs): Added code to update register live information.
3041 * sched-rgn.c (region_sched_info): Initialize new fields.
3042 (get_block_head_tail): Adjust all uses.
3043 (last_was_jump): Removed. Adjust users.
3044 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3045 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3046 Implement new hooks.
3047 (check_dead_notes1): New static function.
3048 (struct region): New fields: dont_calc_deps, has_real_ebb.
3049 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3050 (BB_TO_BLOCK): Fixed to handle EBBs.
3051 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3052 (ebb_head): New static variable.
3053 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3054 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3056 (compute_dom_prob_ps): New assertion.
3057 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3058 global_live_at_start.
3059 (init_ready_list): New assertions.
3060 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3061 (new_ready): Add support for BEGIN_CONTROL speculation.
3062 (schedule_insns): Fixed code that updates register live information
3064 (schedule_region): Fixed to handle EBBs.
3065 (init_regions): Use extend_regions and check_dead_notes1.
3066 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3067 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3068 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3069 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3070 TARGET_SCHED_GEN_CHECK,
3071 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3072 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3073 * doc/invoke.texi (max-sched-insn-conflict-delay,
3074 sched-spec-prob-cutoff): Document.
3076 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3078 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3079 inter_tick, queue_index.
3080 (struct sched_info): Change signature of init_ready_list field.
3081 Adjust all initializations.
3082 (RESOLVED_DEPS): New access macro.
3083 (ready_add): Remove prototype.
3084 (try_ready): Add prototype.
3085 * sched-rgn.c (init_ready_list): Use try_ready.
3086 (schedule_region): Initialize
3087 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3088 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3089 (init_ready_list): Use try_ready.
3090 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3091 * lists.c (remove_list_elem): Remove `static'.
3092 (remove_free_INSN_LIST_elem): New function.
3093 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3094 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3095 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3097 (readyp): New variable.
3098 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3099 change_queue_index, resolve_dep): New static functions.
3100 (try_ready): New function. Adjust callers in sched-rgn.c and
3101 sched-ebb.c to use it instead of ready_add.
3102 (clock_var): Move at the begining of file.
3103 (rank_for_schedule): Fix typo.
3104 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3105 (ready_lastpos): Enforce assertion.
3106 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3108 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3109 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3110 (queue_to_ready): Use free_INSN_LIST_list.
3111 (early_queue_to_ready): Fix typo.
3112 (schedule_block): Init readyp. Move init_ready_list call after the
3113 initialization of clock_var. Fix error in rejecting insn by
3114 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3115 that previously corrected INSN_TICKs. Add code for handling
3117 (set_priorities): Fix typo.
3118 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3119 Clarify comment and code that keeps current_sched_info->next_tail
3122 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3124 * sched-rgn.c (extend_rgns): New static function.
3125 (find_rgns): Use it.
3126 (gather_region_statistics, print_region_statistics): New static
3128 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3129 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3131 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3132 Andrey Belevantsev <abel@ispras.ru>
3134 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3135 * lists.c (unused_deps_list): New variable.
3136 (free_list): Add assertions to verify the proper distinguishing
3137 between INSN_LISTs and DEPS_LISTs.
3138 (find_list_elem, remove_list_elem, remove_list_node): New static
3140 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3141 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3142 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3143 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3145 (free_INSN_LIST_node): Likewise.
3146 * modulo-sched.c (current_sched_info): Initialize flags field.
3147 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3148 * rtl.def (DEPS_LIST): Define.
3149 * rtl.h: Declare new functions from lists.c.
3150 * sched-deps.c (spec_dependency_cache): New static variable.
3151 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3152 (add_dependence): Change return type to void. Move the logic to ...
3153 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3154 (delete_all_dependences): Add comment about forward_dependency_cache.
3155 Handle spec_dependency_cache. Handle DEPS_LISTs.
3156 (fixup_sched_groups): Clarify the change of priority of output
3157 and anti dependencies.
3158 (sched_analyze_2): Adjust add_dependence calls to create data
3159 speculative dependence.
3160 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3161 Adjust all callers. Handle DEPS_LISTS.
3162 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3163 presence of speculation.
3164 (init_dependency_caches, free_dependency_caches):
3165 Handle spec_dependency_cache.
3166 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3167 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3168 New static functions.
3169 (add_or_update_back_dep, add_or_update_back_forw_dep,
3170 add_back_forw_dep, delete_back_forw_dep): New functions.
3171 * sched-int.h (ds_t, dw_t): New typedefs.
3172 (struct sched_info): Add new field flags.
3173 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3174 Prototype new sched-deps.c functions.
3175 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3176 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3177 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3178 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3179 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3180 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3182 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3184 * sched-rgn.c (current_sched_info): Initialize flags field.
3185 (schedule_insns): Initialize current_sched_info before the sched_init
3187 * sched-ebb.c (current_sched_info): Initialize flags field.
3188 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3189 Call add_or_update_back_dep instead of add_dependence.
3190 Create control speculative dependencies.
3191 (schedule_insns): Initialize current_sched_info before the sched_init
3194 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3196 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3198 (sh_fallback_frame_state): Likewise.
3200 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3202 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3203 Do switch on default_use_cxa_atexit.
3204 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3205 * config/darwin-crt3.o: New.
3206 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3207 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3208 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3210 * config/rs6000/t-darwin: Move crt2.o building to here.
3211 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3212 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3215 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3217 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3218 from '! xxx' to '!xxx' for coding-style conformance.
3219 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3220 (EXTRA_CONSTRAINT): Likewise.
3221 * config/vax/vax.md (four unnamed insns): Likewise.
3223 2006-03-15 Paul Brook <paul@codesourcery.com>
3225 * config/arm/arm.c (minipool_pad): New.
3226 (add_minipool_forward_ref): Include pool alignment padding in address
3228 (push_minipool_fix): Set minipool_pad.
3229 (minipool_pad): Ditto.
3231 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3233 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3234 instead of GET_CODE() == MEM and REG_P() instead of
3236 (print_operand_address): Likewise.
3237 (vax_address_cost): Likewise.
3238 (vax_rtx_costs): Likewise.
3239 (vax_notice_update_cc): Likewise.
3240 (vax_output_int_add): Likewise.
3241 (INDEX_REGISTER_P): Likewise.
3242 (BASE_REGISTER_P): Likewise.
3243 (nonindexed_address_p): Likewise.
3244 (vax_mode_dependent_address_p): Likewise.
3245 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3246 (PRINT_OPERAND): Likewise.
3247 * config/vax/vax.md (ashlsi3): Likewise.
3248 (ashlsi3): Likewise.
3249 (some more unnamed insns): Likewise.
3251 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3253 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3254 iterator-style macro.
3255 (mark_control_dependent_edges_necessary): Update the use of
3256 EXECUTE_IF_CONTROL_DEPENDENT.
3258 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3260 * config/sh/predicates.md (cache_address_operand): Special.
3261 (ua_address_operand): Likewise.
3263 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3265 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3267 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3269 2006-03-15 Andreas Schwab <schwab@suse.de>
3271 * gensupport.c (identify_predicable_attribute): Don't free p_false
3272 when it is still in use.
3274 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3276 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3277 the default setting here.
3279 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3281 * tree-pass.h (pass_cfg): Remove.
3282 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3283 * passes.c (pass_cfg): Don't run it.
3285 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3287 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3288 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3290 (stack_regs_mentioned): Update the uses of
3291 stack_regs_mentioned_data. Don't access the array beyond its
3293 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3294 Don't include gt-reg-stack.h.
3296 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3297 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3299 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3302 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3305 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3307 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3309 2006-03-14 Richard Guenther <rguenther@suse.de>
3311 PR tree-optimization/26672
3312 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3315 2006-03-14 Richard Guenther <rguenther@suse.de>
3317 PR tree-optimization/26667
3318 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3319 node for the callees. Always allow inlining if it will shrink
3322 2006-03-14 Richard Guenther <rguenther@suse.de>
3325 * builtins.c (get_pointer_alignment): Prefer alignment
3326 information from decls over that from types.
3328 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3331 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3333 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3335 * config/rs6000/rs6000.opt (mdlmzb): New option.
3336 (msched-prolog, msched-epilog): Use Var not Mask.
3337 * doc/invoke.texi (-mdlmzb): Document.
3338 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3340 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3341 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3343 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3345 PR rtl-optimization/25739
3346 * bt-load.c (augment_live_range): Free tos pointer.
3348 * gensupport.c (identify_predicable_attribute): Free
3350 * gcov.c (create_file_names): Free name pointer.
3352 2006-03-13 Roger Sayle <roger@eyesopen.com>
3355 * stmt.c (emit_case_nodes): Handle the case where the index is a
3356 CONST_INT, where the comparison mode is specified by the index type.
3358 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3360 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3363 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3365 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3366 (*branch_fp_inverted): Likewise.
3368 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3371 * omp-low.c (expand_omp_for_generic): Mark istart0
3372 and iend0 as addressable.
3374 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3376 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3378 2006-03-13 Jeff Law <law@redhat.com>
3380 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3381 virtual operands are interesting.
3382 (vrp_visit_stmt): Corresponding changes.
3384 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3386 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3388 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3389 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3390 * config/bfin/crti.S: Use it instead of __PIC__.
3391 * config/bfin/crtn.S: Likewise.
3393 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3394 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3396 Lose 'G' modifier for call operand.
3397 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3398 recognize 'G' modifier.
3400 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3403 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3404 * stmt.c (expand_case): Likewise.
3406 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3408 PR rtl-optimization/26254
3409 * loop-invariant.c (seq_insns_valid_p): New function.
3410 (move_invariant_reg): Only emit new code if it is valid.
3412 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3414 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3416 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3417 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3418 (commit_one_edge_insertion): Do not look for loop notes.
3420 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3422 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3423 flag_test_coverage out of loop.
3425 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3427 * final.c (shorten_branches): Remove outdated comment, and turn
3428 the if branch that guards it to continue.
3430 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3432 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3433 * cfgloop.h (struct loop): Remove unused fields.
3435 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3437 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3438 (-dL, -fdump-rtl-loop2): Update the dump file names
3440 * doc/invoke.texi: Update dump file names.
3442 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3444 * predict.c (estimate_probability): Remove.
3445 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3446 * basic-block.h (estimate_probability): Remove prototype.
3447 * passes.c (finish_optimization_passes): Dump branch prediction or
3448 profiling heuristics to the .profile tree dump.
3449 (init_optimization_passes): Unqueue pass_branch_prob.
3451 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3453 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3455 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3456 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3458 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3460 * function.h (frame_offset_overflow): Declare.
3461 * function.c (frame_offset_overflow): New function.
3462 (assign_stack_local_1): Call it to detect that the offset overflows.
3463 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3465 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3467 * config/sh/sh.c: Include alloc-pool.h.
3468 (label_ref_list_pool): New alloc pool.
3469 (label_ref_list_t): New type for lists of labels.
3470 (struct pool_node): Make wend a label_ref_list_t.
3471 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3473 (dump_table): Likewise.
3474 (sh_reorg): Set up the alloc pool before using add_constant and
3475 dump_table, and destroy it when finishing.
3477 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3479 * config/mips/mips.c: Remove redundant comment.
3481 2006-03-10 Jason Merrill <jason@redhat.com>
3484 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3485 the target was declared 'register'.
3487 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3489 * genpreds.c (write_insn_constraint_len): Change definition of
3490 insn_constraint_len to return size_t to match the declaration.
3492 2006-03-10 DJ Delorie <dj@redhat.com>
3494 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3496 (m32c_expand_insv): Fix test for an AND mask.
3498 2006-03-10 Richard Guenther <rguenther@suse.de>
3501 * builtins.c (get_pointer_alignment): Handle component
3502 references for field alignment.
3504 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3506 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3507 when building with libgloss.
3508 (sh*elf): Implement --without-fp option.
3509 (sh64-superh-linux*): Don't multilib.
3511 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3513 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3515 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3517 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3518 Set it when one of the replacement functions returned true.
3519 Return TODO_cleanup_cfg if cfgchanged is true.
3520 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3522 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3524 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3525 instead of gen_lowpart.
3527 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3529 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3531 (mips_output_order_conditional_branch): Declare.
3532 * config/mips/mips.h (MIPS_BRANCH): New macro.
3533 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3534 for the comparison. Use gen_condjump.
3535 (mips_output_conditional_branch): Rework interface to take the
3536 asm templates for a direct branch and the inverse of a direct branch.
3537 (mips_output_order_conditional_branch): New function.
3538 (mips_builtin_branch_and_move): New function.
3539 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3540 branch condition. Use gen_single_cc as the condition for
3541 __builtin_mips_upper_* or __builtin_mips_lower_*.
3542 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3543 Use VOIDmode for the branch condition.
3544 * config/mips/predicates.md (order_operator): New predicate.
3545 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3546 (branch_fp): Rename to...
3547 (*branch_fp): ...this. Remove mode from comparison operator.
3548 Use new mips_output_conditional_branch interface.
3549 (branch_fp_inverted): Rename to...
3550 (*branch_fp_inverted): ...this and update as for *branch_fp.
3551 (*branch_zero<mode>): Rename to...
3552 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3553 Use mips_output_order_conditional_branch. Only accept ordered
3555 (*branch_zero<mode>_inverted): Rename to...
3556 (*branch_order<mode>_inverted): ...this and update as for
3557 *branch_order<mode>.
3558 (*branch_equality<mode>): Accept zero as the second operand to
3559 the equality operator. Use the new mips_output_conditional_branch
3561 (*branch_equality<mode>_inverted): Likewise.
3562 (condjump): New expander.
3563 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3565 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3566 (bc1any2t, bc1any2f): Likewise.
3567 (single_cc): New expander.
3568 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3570 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3572 * doc/md.texi: Update documentation of MIPS constraints.
3573 * config/mips/constraints.md: New file.
3574 * config/mips/mips.md: Include it.
3575 * config/mips/mips.c (mips_char_to_class): Delete.
3576 (override_options): Don't initialize mips_char_to_class.
3577 * config/mips/mips.h (mips_char_to_class): Delete.
3578 (REG_CLASS_FROM_LETTER): Delete.
3579 (CONST_OK_FOR_LETTER_P): Delete.
3580 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3581 (EXTRA_CONSTRAINT_Y): Delete.
3582 (EXTRA_CONSTRAINT_STR): Delete.
3583 (CONSTRAINT_LEN): Delete.
3584 (EXTRA_MEMORY_CONSTRAINT): Delete.
3586 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3588 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3589 original fn's eh regions.
3591 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3593 * fold-const.c (build_range_check): Make sure to use a valid type to
3594 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3597 (range_predecessor): New static function.
3598 (range_successor): Likewise.
3599 (merge_ranges): Use them to compute predecessors and successors of
3602 2006-03-09 Roger Sayle <roger@eyesopen.com>
3605 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3606 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3608 2006-03-08 DJ Delorie <dj@redhat.com>
3610 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3611 (addpsi3): Expand to include memory operands. Remove
3612 reload-specific splits.
3613 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3614 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3615 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3616 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3617 (shift1_qi, shift1_hi, insv): New.
3618 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3619 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3620 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3622 * config/m32c/m32c-protos.h: Update as needed.
3623 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3624 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3625 Fail for unrecognized R* constraints.
3626 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3627 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3628 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3630 (m32c_init_libfuncs): New.
3631 (m32c_legitimate_address_p): Add debug wrapper.
3632 (m32c_rtx_costs): New.
3633 (m32c_address_cost): New.
3634 (conversions): Add 'B' prefix.
3635 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3636 operands, or word regnames for QI operands. 'B' prints bit
3638 (m32c_expand_setmemhi): New.
3639 (m32c_expand_movmemhi): New.
3640 (m32c_expand_movstr): New.
3641 (m32c_expand_cmpstr): New.
3642 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3643 (m32c_expand_neg_mulpsi3): Handle non-ints.
3644 (m32c_cmp_flg_0): New.
3645 (m32c_expand_movcc): New.
3646 (m32c_expand_insv): New.
3647 (m32c_scc_pattern): New.
3648 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3649 a0/a1 out of SIregs.
3650 (STORE_FLAG_VALUE): New.
3651 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3654 * config/m32c/mov.md: Make constraints more liberal.
3655 (zero_extendqihi2): Optimize r0/r1 case.
3656 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3657 * config/m32c/predicates.md (m32c_any_operand): New.
3658 (m32c_nonimmediate_operand): New.
3659 (m32c_hl_operand): New.
3660 (m32c_r3_operand): New.
3663 (memsym_operand): New.
3664 (memimmed_operand): New.
3665 (a_qi_operand): New.
3666 (m32c_eqne_operator): New.
3667 (m32c_1bit8_operand): New.
3668 (m32c_1bit16_operand): New.
3669 (m32c_1mask8_operand): New.
3670 (m32c_1mask16_operand): New.
3671 * config/m32c/blkmov.md: New file.
3672 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3674 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3676 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3677 unsigned to fix signed/unsigned comparison issue in
3678 DWARF2_FRAME_REG_OUT.
3679 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3680 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3682 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3683 of ptr into the ENABLE_CHECKING section.
3685 2006-03-08 Jeff Law <law@redhat.com>
3687 * tree-vrp.c (infer_value_range): Only count pointer uses
3688 and dereferences if -fdelete-null-pointer-checks is enabled.
3690 * tree-vrp.c (find_assert_locations): Infer value ranges for
3691 single use pointers, but do not create ASSERT_EXPRs for them.
3692 When a non-null range is inferred for a pointer, backwards
3693 propagate that range to other equivalent pointers through the
3696 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3699 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3700 language hook targets.
3701 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3702 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3703 if language hook targets were missing.
3705 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3707 * tree-ssa-opfinalize.h: Removed.
3708 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3710 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3711 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3712 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3713 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3714 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3715 finalize_ssa_v_must_def_ops): New.
3717 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3719 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3722 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3724 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3726 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3727 addresses with offsets; reorganize.
3729 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3730 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3731 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3733 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3736 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3738 2006-03-08 Ben Elliston <bje@au.ibm.com>
3740 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3742 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3745 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3748 2006-03-07 Richard Guenther <rguenther@suse.de>
3750 PR tree-optimization/26587
3751 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3753 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3755 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3757 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3759 * hooks.c (hook_bool_mode_rtx_true): New function.
3760 * hooks.h (hook_bool_mode_rtx_true): Declare.
3761 * toplev.c (compile_file): Call output_shared_constant_pool.
3762 * varasm.c (shared_constant_pool): New variable.
3763 (assemble_start_function, assemble_end_function): Remove arguments
3764 from call to output_constant_pool.
3765 (create_constant_pool): New function, split out from...
3766 (init_varasm_status): ...here.
3767 (force_const_mem): Choose between the shared and per-function constant
3768 pools. Set current_function_uses_const_pool when reusing old entries
3769 as well as when creating new ones.
3770 (mark_constant): Ignore data argument.
3771 (mark_constants): Remove pool argument.
3772 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3773 to decide whether the function uses a constant pool.
3774 (output_constant_pool_contents): New function, split out from...
3775 (output_constant_pool): ...here.
3776 (output_shared_constant_pool): New function.
3777 (init_varasm_once): Initialize shared_constant_pool.
3778 * output.h (output_constant_pool): Delete.
3779 (output_shared_constant_pool): Declare.
3780 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3781 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3783 2006-03-06 Nick Clifton <nickc@redhat.com>
3785 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3786 flag_strength_reduce.
3788 2006-03-06 Ben Elliston <bje@au.ibm.com>
3790 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3791 x86_64-*-linux* configurations.
3793 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3794 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3796 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3798 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3800 * basic-block.h: Remove the extern for
3801 rediscover_loops_after_threading.
3803 * cfgloop.c (cancel_loop): Make it static.
3804 * cfgloop.h: Remove the prototype for cancel_loop.
3806 * flow.c (recompute_reg_usage): Make it static.
3807 * rtl.h: Remove the prototype for recompute_reg_usage.
3809 * function.c (use_return_register): Make it static.
3810 * function.h: Remove the prototype.
3812 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3814 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3816 * recog.h: Remove the prototype for
3817 validate_change_maybe_volatile.
3819 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3821 * rtlanal.c (replace_reg): Remove.
3822 * rtl.h: Remove the prototype for replace_reg.
3824 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3826 * regclass.c (reg_scan_update): Remove.
3827 (reg_scan_mark_refs): Remove the last argument.
3828 * rtl.h: Remove the prototype for reg_scan_update.
3830 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3832 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3833 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3834 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3835 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3836 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3837 loop-invariant.c, omp-low.c, opts.c, passes.c,
3838 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3839 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3840 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3841 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3842 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3843 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3845 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3847 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3848 * dwarf2out.h: Remove the prototype for
3849 dwarf2out_add_library_unit_info.
3851 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3853 * tree.c (add_var_to_bind_expr): Remove.
3854 * tree.h: Remove the prototype for add_var_to_bind_expr.
3856 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3858 * regclass.c (n_non_fixed_regs): Remove.
3859 (init_reg_sets_1, globalize_reg): Remove all uses of
3861 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3863 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3865 * rtlanal.c (insns_safe_to_move_p): Remove.
3866 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3868 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3870 * expmed.c (expand_mult_add): Remove.
3871 * expr.h: Remove the prototype for expand_mult_add.
3873 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3875 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3876 and REG_SAVED_VAL_EXP constants.
3877 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3878 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3879 Handle regs stored by value.
3880 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3881 (execute_cfa_program): Handle DW_CFA_val_offset,
3882 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3883 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3884 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3885 (uw_install_context_1): Handle target regs stored by value.
3887 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3889 * tree-sra.c (tree_sra): Return todoflags;
3890 (generate_one_element): Set TODO_update_smt_usage if needed.
3891 (pass_sra): Remove TODO_update_smt_usage.
3892 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3894 (tree_ssa_forward_propagate_single_use_vars): Return
3895 TODO_update_smt_usage if we need to update SMT usage.
3896 (pass_forwprop): Remove TODO_update_smt_usage.
3898 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3900 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3901 (correct_use_link): Remove reference to get_stmt_operands.
3902 (update_stmt_operands): Likewise.
3903 (get_modify_expr_operands): New function factored out of
3904 parse_ssa_operands and get_expr_operands.
3905 Try to create V_MUST_DEFs for LHS by default.
3906 (get_expr_operands) <case MODIFY_EXPR>: Call
3907 get_modify_expr_operands.
3908 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3909 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3910 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3911 get_modify_expr_operands.
3913 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3915 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3916 * tree-flow.h: Remove the prototype for
3917 referenced_var_lookup_if_exists.
3919 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3921 PR rtl-optimization/26345
3923 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3925 2006-03-03 Roger Sayle <roger@eyesopen.com>
3927 PR tree-optimization/26524
3928 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3929 fold_convert to create a constant of the appropriate type.
3931 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3933 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3934 SYMBOL_REF_IN_BLOCK_P.
3935 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3936 of SYMBOL_FLAG_IN_BLOCK.
3937 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3938 instead of SYMBOL_REF_IN_BLOCK_P.
3939 * explow.c (use_anchored_address): Likewise.
3940 * rtl.c (rtx_size): Likewise.
3941 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3942 instead of SYMBOL_FLAG_IN_BLOCK.
3943 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3944 SYMBOL_REF_IN_BLOCK_P.
3945 (assemble_variable): Likewise.
3946 (output_constant_def_contents): Likewise.
3947 (output_constant_pool): Likewise.
3948 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3949 instead of SYMBOL_FLAG_IN_BLOCK.
3950 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3951 SYMBOL_REF_IN_BLOCK_P.
3952 (SYMBOL_REF_BLOCK): Likewise.
3953 (SYMBOL_REF_OFFSET): Likewise.
3954 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3955 SYMBOL_REF_IN_BLOCK_P.
3956 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3957 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3958 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3959 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3961 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3963 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3965 2006-03-02 Roger Sayle <roger@eyesopen.com>
3967 * simplify-rtx.c (simplify_unary_operation): When simplifying
3968 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3969 that we perform the right shift in the appropriate mode, and
3970 then extend or truncate the result to requested mode.
3972 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3974 * gengtype.c (main): Handle double_int type.
3975 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3976 * double-int.c: New file.
3977 * double-int.h: New file.
3978 * system.h: Include doubleint.h.
3979 * Makefile.in (SYSTEM_H): Include double-int.h.
3980 (double-int.o): Add.
3982 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3985 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3988 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3990 * tree-vrp.c (remove_range_assertions): Do not update statements
3993 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3995 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3997 * gcse.c (rest_of_handle_gcse): Ditto.
3998 * except.c (gate_handle_eh): Ditto.
3999 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4000 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4002 2006-03-02 Eric Christopher <echristo@apple.com>
4004 * config/i386/i386.c (machopic_output_stub): Add indirection to
4007 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4011 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4013 Sun Niagara specific optimizations.
4014 * config.gcc: Recognize niagara as target.
4015 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4016 (TARGET_CPU_niagara): Define.
4017 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4018 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4019 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4020 (ASM_CPU_SPEC): Likewise.
4021 (PROCESSOR_NIAGARA): New enum entry.
4022 (REGISTER_MOVE_COST): Handle Niagara.
4023 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4024 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4025 (sparc_override_options): Recognize "niagara", set appropriate
4026 default MASK_* values for it, and align functions to 32-bytes
4027 by default just like ULTRASPARC/ULTRASPARC3.
4028 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4029 (sparc64_initialize_trampoline): Likewise.
4030 (sparc_use_sched_lookahead): Use zero for niagara.
4031 (sparc_issue_rate): Use one for niagara.
4032 * config/sparc/niagara.md: New file.
4033 * config/sparc/sparc.md: Include it.
4034 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4035 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4036 when default cpu is niagara.
4037 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4038 (ASM_CPU_SPEC): Likewise.
4039 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4040 when default cpu is niagara.
4041 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4042 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4043 just like v9/ultrasparc/ultrasparc3.
4044 * doc/invoke.texi: Add documentation for "niagara" and improve
4045 existing documentation for ultrasparc variants.
4047 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4049 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4051 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4053 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4054 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4055 and say that only one is needed.
4056 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4057 * target.h (have_switchable_bss_sections): New hook.
4058 * explow.c (use_anchored_address): Check that the symbol is in a block.
4059 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4060 (bss_noswitch_section): New variables.
4061 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4062 (get_noswitch_section): New function.
4063 (get_block_for_section): Allow SECT to be null.
4064 (unlikely_text_section_p): Use SECTION_STYLE.
4065 (bss_initializer_p): New function.
4066 (get_variable_section): Move earlier in file. Take a new argument,
4067 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4068 Return one of the new *_sections in such cases.
4069 (get_block_for_decl): New function, extracting some logic from
4070 use_blocks_for_decl_p.
4071 (change_symbol_section): Remove in favor of...
4072 (change_symbol_block): ...this new function.
4073 (use_blocks_for_decl_p): Remove checks now performed by
4075 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4076 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4077 (emit_local, emit_bss, emit_common): ...these new functions.
4078 Return true if the alignment was honored.
4079 (emit_tls_common): New function.
4080 (asm_emit_uninitialised): Delete.
4081 (assemble_variable_noswitch): New function, split out from...
4082 (assemble_variable): ...here. Don't make decisions about common
4083 variables here. Globalize all public decls that go into non-common
4084 sections. Check whether SYMBOL_REF_BLOCK is null.
4085 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4086 (output_constant_pool): Likewise.
4087 (init_varasm_once): Initialize the new section variables.
4088 (have_global_bss_p): New function.
4089 (categorize_decl_for_section): Use bss_initializer_p.
4090 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4091 (place_block_symbol): Assert that the symbol must be in a block.
4092 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4093 (TARGET_INITIALIZER): Include it.
4094 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4095 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4096 (SECTION_MACH_DEP): Bump by two.
4097 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4098 (unnamed_section): Mention SECTION_UNNAMED in comment.
4099 (named_section): Likewise SECTION_NAMED.
4100 (noswitch_section_callback): New type.
4101 (noswitch_section): New structure.
4102 (section): Add a noswitch_section alternative.
4103 (SECTION_STYLE): New macro.
4104 (tls_comm_section, comm_section, lcomm_section): Declare.
4105 (bss_noswitch_section, have_global_bss_p): Declare.
4106 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4107 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4109 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4110 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4113 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4115 * gcc/tree-vrp.c (execute_vrp): Return value.
4116 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4117 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4118 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4119 (tree_lower_complex_O0): Ditto.
4120 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4121 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4122 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4123 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4124 (execute_tail_calls): Ditto.
4125 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4126 * gcc/tree.h (init_function_for_compilation): Ditto.
4127 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4128 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4129 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4130 * gcc/final.c (compute_alignments): Ditto.
4131 (rest_of_handle_final): Ditto.
4132 (rest_of_handle_shorten_branches): Ditto.
4133 (rest_of_clean_state): Ditto.
4134 * gcc/omp-low.c (execute_expand_omp): Ditto.
4135 (execute_lower_omp): Ditto.
4136 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4137 * gcc/ipa-reference.c (static_execute): Ditto.
4138 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4139 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4140 (rest_of_handle_machine_reorg): Ditto.
4141 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4142 * gcc/flow.c (recompute_reg_usage): Ditto.
4143 (rest_of_handle_remove_death_notes): Ditto.
4144 (rest_of_handle_life): Ditto.
4145 (rest_of_handle_flow2): Ditto.
4146 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4147 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4148 (do_ssa_store_ccp): Ditto.
4149 (execute_fold_all_builtins): Ditto.
4150 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4151 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4152 * gcc/ipa-pure-const.c (static_execute): Ditto.
4153 * gcc/cse.c (rest_of_handle_cse): Ditto.
4154 (rest_of_handle_cse2): Ditto.
4155 * gcc/web.c (rest_of_handle_web): Ditto.
4156 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4157 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4158 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4159 * gcc/tree-nrv.c (tree_nrv): Ditto.
4160 (execute_return_slot_opt): Ditto.
4161 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4162 (create_structure_vars): Ditto.
4163 * gcc/loop-init.c (rtl_loop_init): Ditto.
4164 (rtl_loop_done): Ditto.
4165 (rtl_move_loop_invariants): Ditto.
4166 (rtl_unswitch): Ditto.
4167 (rtl_unroll_and_peel_loops): Ditto.
4168 (rtl_doloop): Ditto.
4169 * gcc/gimple-low.c (lower_function_body): Ditto.
4170 (mark_used_blocks): Ditto.
4171 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4172 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4173 (cgraph_early_inlining): Ditto.
4174 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4175 * gcc/jump.c (cleanup_barriers): Ditto.
4176 (purge_line_number_notes): Ditto.
4177 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4178 (rest_of_handle_if_after_reload): Ditto.
4179 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4180 (tree_ssa_loop_im): Ditto.
4181 (tree_ssa_loop_unswitch): Ditto.
4182 (tree_vectorize): Ditto.
4183 (tree_linear_transform): Ditto.
4184 (tree_ssa_loop_ivcanon): Ditto.
4185 (tree_ssa_empty_loop): Ditto.
4186 (tree_ssa_loop_bounds): Ditto.
4187 (tree_complete_unroll): Ditto.
4188 (tree_ssa_loop_prefetch): Ditto.
4189 (tree_ssa_loop_ivopts): Ditto.
4190 (tree_ssa_loop_done): Ditto.
4191 * gcc/predict.c (tree_estimate_probability): Ditto.
4192 * gcc/recog.c (split_all_insns_noflow): Ditto.
4193 (rest_of_handle_peephole2): Ditto.
4194 (rest_of_handle_split_all_insns): Ditto.
4195 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4196 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4197 (rest_of_handle_stack_adjustments): Ditto.
4198 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4199 * gcc/function.c (instantiate_virtual_regs): Ditto.
4200 (init_function_for_compilation): Ditto.
4201 (rest_of_handle_check_leaf_regs): Ditto.
4202 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4203 (rest_of_handle_gcse): Ditto.
4204 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4205 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4206 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4207 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4208 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4209 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4210 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4211 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4212 * gcc/except.c (set_nothrow_function_flags): Ditto.
4213 (convert_to_eh_region_ranges): Ditto.
4214 (rest_of_handle_eh): Ditto.
4215 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4216 (remove_unnecessary_notes): Ditto.
4217 * gcc/except.h (set_nothrow_function_flags): Ditto.
4218 (convert_to_eh_region_ranges): Ditto.
4219 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4220 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4221 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4222 (execute_fre): Ditto.
4223 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4224 (rest_of_handle_jump2): Ditto.
4225 * gcc/tree-sra.c (tree_sra): Ditto.
4226 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4227 (execute_mudflap_function_decls): Ditto.
4228 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4229 (do_store_copy_prop): Ditto.
4230 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4231 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4232 * gcc/tree-ssa-forwprop.c
4233 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4234 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4235 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4236 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4237 (execute_late_warn_uninitialized): Ditto.
4238 * gcc/rtl.h (cleanup_barriers): Ditto.
4239 (split_all_insns_noflow): Ditto.
4240 (purge_line_number_notes): Ditto.
4241 (unshare_all_rtl): Ditto.
4242 (remove_unnecessary_notes): Ditto.
4243 (recompute_reg_usage): Ditto.
4244 (variable_tracking_main): Ditto.
4245 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4246 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4247 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4248 (execute_free_cfg_annotations): Ditto.
4249 (execute_fixup_cfg): Ditto.
4250 (execute_cleanup_cfg_pre_ipa): Ditto.
4251 (execute_cleanup_cfg_post_optimizing): Ditto.
4252 (execute_init_datastructures): Ditto.
4253 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4254 * gcc/combine.c (rest_of_handle_combine): Ditto.
4255 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4256 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4257 (rest_of_handle_reorder_blocks): Ditto.
4258 (rest_of_handle_partition_blocks): Ditto.
4259 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4260 * gcc/tree-profile.c (tree_profiling): Ditto.
4261 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4262 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4263 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4264 (rest_of_handle_sched2): Ditto.
4265 * gcc/basic-block.h (free_bb_insn): Ditto.
4266 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4267 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4268 (remove_useless_stmts): Ditto.
4269 (split_critical_edges): Ditto.
4270 (execute_warn_function_return): Ditto.
4271 (execute_warn_function_noreturn): Ditto.
4272 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4273 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4274 * gcc/passes.c (execute_one_pass): Run additional
4275 todos returned by execute function.
4276 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4279 2006-03-02 Richard Guenther <rguenther@suse.de>
4281 * tree-ssa-alias.c (find_used_portions): Consider taking
4282 the address as making the variable not write-only.
4284 2006-03-02 Nick Clifton <nickc@redhat.com>
4286 * config.gcc (default_use_cxa_atexit): Extend the description of
4287 this configure variable. Set its default value to "yes" for
4288 Linux, NetBSD and ELF targets on the assumption that they will
4289 use C libraries with the __cxa_atexit function.
4291 2006-03-02 Ben Elliston <bje@au.ibm.com>
4293 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4294 parameter as unused to suppress a build warning.
4296 2006-03-02 Ben Elliston <bje@au.ibm.com>
4298 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4301 2006-03-01 Roger Sayle <roger@eyesopen.com>
4304 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4305 declared name, the weak reference name, and the typeof name.
4306 (__gthrw): Avoid expanding the declared name suffix.
4307 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4309 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4311 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4313 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4314 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4315 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4316 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4317 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4318 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4319 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4320 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4321 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4322 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4323 (DW_END_default, DW_END_big, DW_END_little): New.
4324 (DW_END_lo_user, DW_END_hi_user): Define.
4325 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4326 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4327 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4330 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4332 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4334 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4336 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4338 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4340 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4341 to 'symbol_mem_tag'.
4343 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4346 2006-03-01 Roger Sayle <roger@eyesopen.com>
4348 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4350 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4353 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4354 MACHO_DYNAMIC_NO_PIC_P.
4355 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4357 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4360 * config/darwin-protos.h (darwin_asm_output_anchor):
4362 * config/darwin-sections.def (cstring_section):
4363 Add SECTION_MERGE to the flags.
4364 (literal4_section): Likewise.
4365 (literal8_section): Likewise.
4366 (objc_selector_refs_section): Likewise.
4367 (objc_cls_refs_section): Likewise.
4368 * config/darwin.c (darwin_asm_output_anchor): New
4370 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4372 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4374 Fix PR tree-optimization/26443
4375 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4376 to todo and PROP_tmt_usage to properties_destroyed.
4377 * tree-ssa-ccp.c (pass_ccp): Ditto.
4378 (pass_store_ccp): Ditto.
4379 * tree-ssa-dom.c (pass_dominator): Ditto.
4381 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4383 * tree-ssa-operands.c: Cleanup whitespace.
4384 (get_asm_expr_operands): Move before first invocation.
4385 (get_indirect_ref_operands): Likewise.
4386 (get_tmr_operands): Likewise.
4387 (get_call_expr_operands): Likewise.
4388 (append_def): Likewise.
4389 (append_use): Likewise.
4390 (append_v_may_def): Likewise.
4391 (append_v_must_def): Likewise.
4392 (add_call_clobber_ops): Likewise.
4393 (add_call_read_ops): Likewise.
4394 (add_stmt_operand): Likewise.
4395 (add_virtual_operand): Likewise.
4396 (build_ssa_operands): Likewise.
4398 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4403 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4404 with a call expr to ...
4405 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4407 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4409 * tree-vrp.c (extract_range_from_assert): Remove special
4410 handling for types with super-types.
4412 2006-03-01 Ben Elliston <bje@au.ibm.com>
4414 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4415 and powerpc64-*-linux* configurations.
4416 * config/t-dfprules: New file.
4418 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4419 Compile dfp-bit.c from the source directory using -DWIDTH and
4420 $DFP_CFLAGS to control the compilation of that file, rather than
4421 generating width-specific versions in the build directory.
4422 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4423 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4425 2006-02-28 Zack Weinberg <zackw@panix.com>
4427 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4430 2006-02-28 Eric Christopher <echristo@apple.com>
4432 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4433 Set up IN_LIBGCC definition of TARGET_64BIT.
4434 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4436 2006-02-28 Roger Sayle <roger@eyesopen.com>
4439 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4440 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4441 cases via the construction of "expr != 0".
4443 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4445 * alias.c (alias_invariant, alias_invariant_size): Remove.
4446 (record_base_value): Remove.
4447 (memrefs_conflict_p): Don't look at alias_invariant.
4448 (end_alias_analysis): Don't free it.
4449 * alias.h (record_base_value): Remove prototype.
4451 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4452 Adam Nemet <anemet@caviumnetworks.com>
4454 * rtl.h (truncated_to_mode): Declare it.
4455 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4456 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4457 (RTL_HOOKS_INITIALIZER): Include it.
4458 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4459 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4460 reg_truncated_to_mode.
4461 * rtlanal.c (truncated_to_mode): Define it.
4462 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4464 2006-02-28 Jeff Law <law@redhat.com>
4466 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4467 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4468 the range allowed by TYPE_PRECISION.
4470 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4472 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4474 PR tree-optimization/26419
4475 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4478 2006-02-27 Zack Weinberg <zackw@panix.com>
4480 * doc/md.texi: Fix typo in previous change.
4482 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4486 2006-02-27 Zack Weinberg <zackw@panix.com>
4488 * rtl.def (define_constraint, define_register_constraint)
4489 (define_memory_constraint, define_address_constraint): New MD forms.
4490 * gensupport.c (process_rtx): Put define_constraint etc on the
4492 * genpreds.c (process_define_predicate): Adjust comment. Validate
4493 the name, and call validate_exp to validate the expression.
4494 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4495 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4496 all callers changed.
4497 (validate_exp, needs_variable, struct constraint_data)
4498 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4499 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4500 (const_dbl_constraints, constraint_max_namelen)
4501 (have_register_constraints, have_memory_constraints)
4502 (have_address_constraints, have_address_constraints)
4503 (have_extra_constraints, have_const_int_constraints)
4504 (have_const_dbl_constraints, mangle, add_constraint)
4505 (process_define_constraint, process_define_register_constraint)
4506 (write_enum_constraint_num, write_lookup_constraint)
4507 (write_insn_constraint_len, write_regclass_for_constraint)
4508 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4509 (write_insn_extra_memory_constraint)
4510 (write_insn_extra_address_constraint)
4511 (write_satisfies_constraint_fns): New.
4512 (write_tm_preds_h): If we have new-style constraint definitions,
4513 prototype the functions generated from them, and define the
4514 old constraint interface (still used by generic code) in terms of
4516 (write_insn_preds_c): If we have new-style constraint definitions,
4517 generate all relevant functions from those definitions.
4518 (main): Handle define_constraint etc.
4519 * genoutput.c (struct constraint_data, indep_constraints)
4520 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4521 (mdep_constraint_len): New data structures and functions, defined
4522 #ifdef USE_MD_CONSTRAINTS.
4523 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4524 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4525 use new logic to validate operand constraints against constraint
4527 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4529 * defaults.h: If none of the old-style constraint macros are
4530 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4531 old-style macros; and poison REG_CLASS_FROM_LETTER,
4532 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4534 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4535 * doc/md.texi: Document new constraint-definition mechanism and the
4536 C interface it provides. Remove references to old mechanism
4537 elsewhere in the document.
4538 (Machine Constraints): Use pathnames relative to gcc directory,
4539 i.e. config/ARCH/FILE. Change i386 section to refer to
4540 config/i386/predicates.md; update that section to match docstrings.
4541 * doc/tm.texi: Move all documentation of the old constraint-
4542 definition macros to their own section, clearly mark as obsolete.
4544 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4545 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4547 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4548 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4549 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4551 (splits and peepholes): Use satisfies_constraint_*.
4552 * config/i386/i386.c (memory_address_length)
4553 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4555 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4557 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4558 scalar operation to be put back into the loop.
4560 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4563 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4564 (extract_cie_info): Handle S flag in augmentation string.
4565 (execute_cfa_program): If context->signal_frame, execute also
4566 fs->pc == context->ra instructions.
4567 (uw_frame_state_for): If context->signal_frame, don't subtract one
4568 from context->ra to find FDE.
4569 (uw_update_context_1): Set context->signal_frame to
4571 (_Unwind_GetIPInfo): New function.
4572 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4573 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4575 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4576 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4577 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4578 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4579 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4580 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4581 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4582 x86_64_fallback_frame_state): Set fs->signal_frame.
4583 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4584 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4585 (frob_update_context): Likewise. Workaround missing S flag in
4586 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4587 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4588 Remove the psw_addr + 1 hack.
4590 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4592 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4593 with aggregates here.
4594 (find_func_aliases): Remove code for &<aggregate> from here.
4596 2006-02-26 Roger Sayle <roger@eyesopen.com>
4598 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4599 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4600 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4603 2006-02-26 Roger Sayle <roger@eyesopen.com>
4606 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4608 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4610 * opts.c (decode_options): Do not handle flag_strength_reduce.
4611 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4612 and OPT_fstrength_reduce.
4613 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4614 flag_prefetch_loop_arrays for being nonzero.
4615 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4617 (fprefetch-loop-arrays-rtl): Removed.
4618 (flag_prefetch_loop_arrays): Do not specify the value.
4620 * doc/passes.texi: Update documentation of loop optimizer
4622 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4623 -frerun-loop-opt): Remove.
4625 2006-02-26 Richard Guenther <rguenther@suse.de>
4627 PR tree-optimization/26421
4628 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4629 in function calls that are ADDR_EXPRs as using the whole structure.
4631 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4633 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4634 * tree-pass.h (pass_loop_optimize): Remove.
4635 * passes.c (pass_loop_optimize): Never run it.
4636 * toplev.c (backend_init): Don't call init_loop.
4637 * opts.c (flag_loop_optimize_set): Remove.
4638 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4639 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4640 the old RTL loop optimizer when profiling enabled.
4641 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4642 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4643 pre-headers for the sake of the old RTL loop optimizer.
4644 * Makefile.in: Remove all references to loop.o.
4646 * doc/invoke.texi: Remove all references to -floop-optimize
4647 and -frerun-loop-opt.
4649 2006-02-26 Zack Weinberg <zackw@panix.com>
4651 * doc/md.texi (Machine Constraints): Refer to all files with paths
4652 relative to gcc directory (i.e. config/CPU/file). Add missing
4653 @table @code ... @end table to M32C subsection.
4655 2006-02-26 Roger Sayle <roger@eyesopen.com>
4657 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4659 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4661 2006-02-26 Roger Sayle <roger@eyesopen.com>
4662 James A. Morrison <phython@gcc.gnu.org>
4665 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4666 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4667 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4668 signedness of the shift operation.
4670 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4672 PR tree-optimization/26359
4673 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4675 2006-02-25 Roger Sayle <roger@eyesopen.com>
4677 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4678 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4679 as X == 0, and some symmetry related transformations.
4680 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4682 2006-02-25 Roger Sayle <roger@eyesopen.com>
4685 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4686 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4687 symmetry related transformations. Fold (X^C1) == C2 as
4690 2006-02-25 Juergen Weigert <jw@suse.de>
4691 Richard Guenther <rguenther@suse.de>
4693 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4695 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4697 * combine.c (gen_lowpart_or_truncate): Call
4698 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4700 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4702 * doc/invoke.texi: Move -fopenmp description to "Options for
4704 Remove reference to -lgomp.
4706 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4708 * doc/install.texi: Require GNU tar version 1.14.
4710 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4712 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4713 * doc/invoke.texi (C++ Dialect Options): Document
4714 -fno-use-cxa-get-exception-ptr.
4715 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4716 * configure: Regenerate.
4717 * c.opt (fuse-cxa-get-exception-ptr): New.
4718 * c-opts.c (c_common_handle_option): Handle
4719 OPT_fuse_cxa_get_exception_ptr.
4720 * c-common.c (flag_use_cxa_atexit): Update documentation.
4721 (flag_use_cxa_get_exception_ptr): New.
4722 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4723 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4725 (C_COMMON_OVERRIDE_OPTIONS): New.
4727 2006-02-24 Roger Sayle <roger@eyesopen.com>
4730 * combine.c (try_combine): Explicitly check whether GET_CODE is
4731 a SET or a CLOBBER, instead on checking that it isn't a USE.
4733 2006-02-24 Roger Sayle <roger@eyesopen.com>
4735 * fold-const.c (fold_comparison): New subroutine of fold_binary
4736 containing transformations common to both the equality and
4737 ordering relational operators, factored out of fold_binary.
4738 (fold_binary): Separate out the equality operators (EQ_EXPR
4739 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4740 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4741 transformations common to both.
4742 (fold_div_compare): Fix latent bugs in the previously unreachable
4743 LT_EXPR and GE_EXPR cases.
4745 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4747 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4748 decl libname for clog to __clog on AIX.
4750 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4752 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4755 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4756 output traceback table for thunks. Localise rs6000_stack_info call.
4758 2006-02-23 Roger Sayle <roger@eyesopen.com>
4759 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4761 * gthr-posix.h (__gthrw): Fix typo in comment.
4763 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4765 * doc/cpp.texi (Character sets): Document that we do support
4766 input files to be in any character set.
4768 2006-02-23 Jeff Law <law@redhat.com>
4770 * tree.h (PHI_ARG_NONZERO): Remove.
4771 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4772 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4773 node to the new node.
4775 PR tree-optimization/26425
4776 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4777 min/max, then assume its varying.
4779 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4781 PR rtl-optimization/26316
4782 * rtlanal.c (enum may_trap_p_flags): New.
4783 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4784 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4785 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4786 (may_trap_after_code_motion_p): New function.
4787 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4788 (find_invariant_insn): Use may_trap_after_code_motion_p.
4789 * rtl.h (may_trap_after_code_motion_p): Declare.
4791 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4793 * emit-rtl.c (immed_double_const): Cleanup.
4795 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4797 Fix PR tree-optimization/26376
4798 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4801 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4804 * gimplify.c (omp_add_variable): Guard variable size decl test with
4805 DECL_SIZE (decl) check.
4807 2006-02-23 Richard Guenther <rguenther@suse.de>
4810 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4811 like aggregate types.
4813 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4815 * configure.ac: Add --with{,out}-long-double-128 configure option.
4816 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4817 * configure: Rebuilt.
4818 * config.in: Rebuilt.
4819 * doc/install.texi (Options specification): Document
4820 --with-long-double-128.
4822 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4823 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4824 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4825 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4827 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4829 * config/s390/s390.c (override_options): Handle
4830 TARGET_DEFAULT_LONG_DOUBLE_128.
4832 * config/alpha/alpha.c (override_options): Handle
4833 TARGET_DEFAULT_LONG_DOUBLE_128.
4835 * config/sparc/sparc.c (sparc_override_options): Handle
4836 TARGET_DEFAULT_LONG_DOUBLE_128.
4838 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4840 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4841 (real-install-headers-tar, real-install-headers-cpio)
4842 (real-install-headers-cp): New targets.
4844 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4846 * tree.h (variable_section): Delete.
4847 * varasm.c (variable_section): Delete.
4849 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4851 * install.texi: Add notes on install.texi2html.
4852 (Building in parallel): Do not use footnotes.
4854 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4857 * doc/install.texi (Configuration): Document --disable-libgomp.
4859 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4861 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4863 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4865 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4866 (vec_extractv2df_0_sse): New.
4868 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4870 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4871 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4872 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4873 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4874 to the result of the expression.
4875 (def_cfa_1): Adjust.
4876 (frame_pointer_cfa_offset): Rename to...
4877 (frame_pointer_fb_offset): ... this. Adjust all uses.
4878 (convert_cfa_to_loc_list): Rename to...
4879 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4880 Pass it on to build_cfa_loc.
4881 (compute_frame_pointer_to_cfa_displacement): Rename to...
4882 (compute_frame_pointer_to_fb_displacement): ... this. New
4883 offset parameter. Use it in computation.
4884 (gen_subprogram_die): Compute cfa_fb_offset with the new
4885 macro, and use it to compute the fb loc list and the
4888 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4890 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4891 replaced with register_operand.
4892 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4893 non-DREG is expensive.
4894 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4895 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4898 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4900 * doc/install.texi2html: Use set -e.
4902 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4904 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4905 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4906 * doc/invoke.texi (-fshared-data): Delete.
4907 * common.opt (fshared-data): Delete.
4908 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4909 (assemble_static_space): Remove #if 0 code.
4910 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4911 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4912 * config/cris/cris.h: Remove FIXME.
4914 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4916 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4919 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4922 * combine.c (simplify_shift_const_1): Disable nested shifts
4923 optimization for vector shifts.
4925 2006-02-20 Roger Sayle <roger@eyesopen.com>
4927 PR tree-optimization/26361
4928 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4929 of unsigned integer types.
4931 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4933 * tree-chrec.c (eq_evolutions_p): New.
4934 * tree-chrec.h (eq_evolutions_p): Declared.
4935 * tree-data-ref.c: Fix formatting.
4936 (datadep_stats, dependence_stats): New.
4938 (print_direction_vector): New.
4939 (dump_data_dependence_relation): Use print_direction_vector.
4940 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4941 (compute_subscript_distance): Static.
4942 (initialize_data_dependence_relation): Static. Get the number
4943 of loops surrounding the references from the callers, and initialize
4944 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4945 base_object_differ_p analyzers.
4946 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4947 compute_overlap_steps_for_affine_1_2,
4948 analyze_subscript_affine_affine): Count the classified dependences.
4949 Print a message when a test failed.
4950 (can_use_analyze_subscript_affine_affine): New.
4951 (analyze_siv_subscript): Compute the data dependences on symbolic
4952 scevs that verify can_use_analyze_subscript_affine_affine.
4953 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4954 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4955 Handle symbolic scevs.
4956 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4958 (subscript_dependence_tester): Moved...
4959 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4960 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4961 DDR_SIZE_VECT instead of getting it in parameter.
4962 (subscript_dependence_tester): ... here. Take as a parameter
4963 loop_nest_depth. Call build_classic_dist_vector and
4964 build_classic_dir_vector.
4965 (compute_affine_dependence): Update subscript_dependence_tester
4966 parameters. Update datadep_stats counters. Call
4967 compute_subscript_distance.
4968 (compute_self_dependence): Save the dist and dir vectors. Call
4969 compute_subscript_distance.
4970 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4971 (compute_all_dependences): Reorder parameters as they were before
4972 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4973 compute_subscript_distance. Update the use of
4974 compute_affine_dependence and initialize_data_dependence_relation.
4975 (find_data_references_in_loop): Handle COMPONENT_REF.
4976 (compute_data_dependences_for_loop): Initialize dependence_stats.
4977 Don't call build_classic_dist_vector and build_classic_dir_vector.
4978 Update the parameters of initialize_data_dependence_relation and
4979 compute_all_dependences. Print the statistics from datadep_stats.
4980 (analyze_all_data_dependences): Static. Not used until the pass for
4981 checking the data dependences is contributed.
4982 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4983 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4984 (initialize_data_dependence_relation, compute_affine_dependence,
4985 analyze_all_data_dependences, compute_subscript_distance): Removed.
4986 (print_direction_vector): New.
4987 * lambda.h (gcd): ... here.
4988 (lambda_vector_gcd): Moved here from gcd_vector.
4989 * lambda-code.c (gcd, gcd_vector): Removed.
4990 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4991 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4993 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4995 * ipa-type-escape.c: Tidy some comments and white space.
4996 * tree-ssa-operands.c: Likewise.
4998 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5001 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5002 (dump_decl_name): Do not walk the decl tree chains.
5003 * tree-pass.h (TDF_CHAIN): Remove.
5005 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5007 * Makefile.in (C): Remove
5009 (.PHONY): Remove C and PROTO
5011 2006-02-20 Roger Sayle <roger@eyesopen.com>
5014 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5015 deprecated CHAR_TYPE tree code.
5017 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5019 * configure.ac (target_list): Add install-info, dvi, html.
5020 * configure: Regenerate.
5022 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5023 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5024 treelang/Make-lang.in: Do not use double-colon rules.
5026 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5028 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5029 (TMT_USED_ALONE): New macro.
5030 * tree-pass.h (PROP_tmt_usage): New property.
5031 (TODO_update_tmt_usage): New todo.
5032 * tree-ssa-alias.c (updating_used_alone): New variable.
5033 (recalculate_used_alone): New function.
5034 (compute_may_aliases): Set updating_used_alone, call
5035 recalculate_used_alone.
5036 * tree-sra.c (pass_sra): Note that this pass destroys
5037 PROP_tmt_usage, and add TODO_update_tmt_usage.
5038 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5039 * tree-flow.h (updating_used_alone): Prototype.
5040 (recalculate_used_alone): Ditto.
5041 * passes.c (execute_todo): Add code to set updating_used_alone,
5042 and call recalculate.
5043 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5044 for clobber if used alone, and add assert to verify used_alone
5047 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5049 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5050 for non tls symbols added.
5051 (legitimize_address): Do nothing for PLUS expressions if one of the
5052 addends is a tls symbol reference.
5054 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5058 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5060 * Makefile.in (BOOTSTRAPPING): New.
5061 (quickstrap): New definition if BOOTSTRAPPING=yes.
5063 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5064 * configure.ac: Substitute all_selected_languages with the languages
5065 that were configured. For all the other variables except
5066 lang_specs_files, include all the languages in the tree.
5067 * configure: Regenerate.
5069 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5070 if there is one. Run the commands to run fixincludes in the same
5073 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5074 * doc/install.texi: Document exact conventions for searching target tools.
5075 Document --with-build-time-tools. Document toplevel bootstrap. Document
5076 something more about building an Ada cross-compiler. Don't list GNU Make
5077 requirements which affect all platforms.
5079 2006-02-19 Roger Sayle <roger@eyesopen.com>
5082 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5083 only equivalent if the have both the same mode and precision.
5085 2006-02-20 Ben Elliston <bje@au.ibm.com>
5087 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5089 2006-02-19 Roger Sayle <roger@eyesopen.com>
5090 Steven Bosscher <stevenb.gcc@gmail.com>
5092 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5093 constant pool references to identify stack mode constants.
5094 * rtlanal.c (constant_pool_constant_p): New predicate to check
5095 whether operand is a floating point constant in the pool.
5096 * rtl.h (constant_pool_constant_p): Prototype here.
5097 * loop.c (scan_loop): Avoid hoisting constants from the constant
5098 pool on STACK_REGS targets.
5099 (load_mems): Likewise.
5100 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5101 loads into x87 registers expensive in terms of register pressure.
5103 2006-02-19 Roger Sayle <roger@eyesopen.com>
5105 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5106 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5108 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5110 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5111 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5113 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5115 * doc/invoke.texi: Document -fipa-pta.
5116 * common.opt: Add ipa-pta option.
5117 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5118 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5119 (do_ds_constraint): Ditto.
5120 (get_constraint_for): Only add to referenced_vars if
5121 referenced_vars exists.
5122 (insert_into_field_list): Rewrite to do this unsorted.
5123 (insert_into_field_list_sorted): Rename old insert_into_field_list
5125 (create_function_info_for): Use insert_into_field_list_sorted.
5126 (create_variable_info_for): Rewrite so it uses unsorted version,
5127 since the field list is sorted.
5128 (intra_create_variable_infos): Only add to referenced_vars if
5129 referenced_vars exists.
5130 (ipa_pta_execute): Init heapvars, and delete when done.
5131 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5133 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5135 * doc/install.texi: Add missing `@samp'.
5137 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5139 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5142 2006-02-18 Mark Wielaard <mark@klomp.org>
5144 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5145 who added new 4.1 features, bug fixes and integration support.
5147 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5150 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5153 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5155 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5156 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5157 (copy_insn_1): Likewise. Don't copy each field individually.
5159 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5161 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5162 * rtl.c (rtx_size): Rename variable to...
5163 (rtx_code_size): ...this.
5164 (rtx_size): New function.
5165 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5166 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5168 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5169 * rtl.h (rtx_code_size): New variable.
5170 (rtx_size): Change from a variable to a function.
5171 (RTX_SIZE): Rename to...
5172 (RTX_CODE_SIZE): ...this.
5175 PR tree-optimization/17106
5176 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5177 (Anchored Addresses): New section.
5178 * doc/invoke.texi (-fsection-anchors): Document.
5179 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5180 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5181 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5182 * hooks.c (hook_bool_mode_rtx_false): New function.
5183 * hooks.h (hook_bool_mode_rtx_false): Declare.
5184 * gengtype.c (create_optional_field): New function.
5185 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5186 SYMBOL_REF_IN_BLOCK_P is true.
5187 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5188 (min_anchor_offset, max_anchor_offset): Likewise.
5189 (use_anchors_for_symbol_p): New hook.
5190 * toplev.c (compile_file): Call output_object_blocks.
5191 (target_supports_section_anchors_p): New function.
5192 (process_options): Check that -fsection-anchors is only used on
5193 targets that support it and when -funit-at-a-time is in effect.
5194 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5195 if the decl doesn't have one.
5196 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5197 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5198 of force_const_mem through use_anchored_address.
5199 (expand_expr_constant): New function.
5200 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5201 calling expand_expr for INDIRECT_REF.
5202 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5203 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5204 * expr.h (use_anchored_address): Declare.
5205 * loop-unroll.c: Don't declare rtx vectors here.
5206 * explow.c: Include output.h.
5207 (validize_mem): Call use_anchored_address.
5208 (use_anchored_address): New function.
5209 * common.opt (-fsection-anchors): New switch.
5210 * varasm.c (object_block_htab, anchor_labelno): New variables.
5211 (hash_section, object_block_entry_eq, object_block_entry_hash)
5212 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5213 (use_blocks_for_decl_p, change_symbol_section): New functions.
5214 (get_variable_section): New function, split out from assemble_variable.
5215 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5216 use_blocks_for_decl_p say so. Use change_symbol_section if the
5217 symbol has already been created.
5218 (assemble_variable_contents): New function, split out from...
5219 (assemble_variable): ...here. Don't output any code for
5220 block symbols; just pass them to place_block_symbol.
5221 Use get_variable_section and assemble_variable_contents.
5222 (get_constant_alignment, get_constant_section, get_constant_size): New
5223 functions, split from output_constant_def_contents.
5224 (build_constant_desc): Create a block symbol if use_object_blocks_p
5225 says so. Or into SYMBOL_REF_FLAGS.
5226 (assemble_constant_contents): New function, split from...
5227 (output_constant_def_contents): ...here. Don't output any code
5228 for block symbols; just pass them to place_section_symbol.
5229 Use get_constant_section and get_constant_alignment.
5230 (force_const_mem): Create a block symbol if use_object_blocks_p and
5231 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5232 (output_constant_pool_1): Add an explicit alignment argument.
5233 Don't switch sections here.
5234 (output_constant_pool): Adjust call to output_constant_pool_1.
5235 Switch sections here instead. Don't output anything for block symbols;
5236 just pass them to place_block_symbol.
5237 (init_varasm_once): Initialize object_block_htab.
5238 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5239 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5240 (place_block_symbol, get_section_anchor, output_object_block)
5241 (output_object_block_htab, output_object_blocks): New functions.
5242 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5243 (TARGET_ASM_OUT): Include it.
5244 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5245 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5246 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5247 (TARGET_INITIALIZER): Include them.
5248 * rtl.c (rtl_check_failed_block_symbol): New function.
5249 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5250 (block_symbol, object_block): New structures.
5251 (rtx_def): Add a block_symbol field to the union.
5252 (BLOCK_SYMBOL_CHECK): New macro.
5253 (rtl_check_failed_block_symbol): Declare.
5254 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5255 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5256 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5257 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5258 * output.h (output_section_symbols): Declare.
5259 (object_block): Name structure.
5260 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5261 (default_use_anchors_for_symbol_p): Declare.
5262 * Makefile.in (RTL_BASE_H): Add vec.h.
5263 (explow.o): Depend on output.h.
5264 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5265 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5266 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5267 (rs6000_use_blocks_for_constant_p): New function.
5269 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5271 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5273 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5276 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5279 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5281 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5285 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5288 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5289 instead of DECL_REGISTER.
5291 2006-02-18 Olivier Hainque <hainque@adacore.com>
5294 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5296 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5299 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5300 * opth-gen.awk: Handle Var and InverseMask together.
5301 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5302 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5303 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5304 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5306 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5307 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5308 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5309 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5310 LINUX_DYNAMIC_LINKER): Define.
5311 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5312 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5314 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5315 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5316 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5317 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5318 (TARGET_C99_FUNCTIONS): Don't define.
5319 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5320 GLIBC_DYNAMIC_LINKER.
5321 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5322 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5323 GLIBC_DYNAMIC_LINKER64): Define.
5324 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5325 LINUX_DYNAMIC_LINKER64.
5326 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5327 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5328 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5329 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5330 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5331 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5332 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5333 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5334 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5335 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5336 and LINUX_DYNAMIC_LINKER32.
5337 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5338 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5339 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5340 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5341 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5343 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5344 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5345 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5346 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5347 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5348 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5349 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5350 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5351 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5352 LINUX_DYNAMIC_LINKER): Define.
5353 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5354 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5355 GLIBC_DYNAMIC_LINKER64): Define.
5356 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5357 LINUX_DYNAMIC_LINKER64.
5358 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5359 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5360 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5361 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5362 LINUX_DYNAMIC_LINKER): Define.
5363 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5364 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5365 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5366 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5367 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5368 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5369 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5370 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5371 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5372 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5373 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5374 * doc/invoke.texi (-muclibc): Remove caveat about supported
5377 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5379 * doc/cpp.texi (__TIMESTAMP__): Document.
5381 2006-02-17 Roger Sayle <roger@eyesopen.com>
5384 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5385 C is one less than the width of X (and related transformations).
5386 * simplify-rtx.c (simplify_unary_operation_1): Transform
5387 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5388 depending on STORE_FLAG_VALUE, were C is one less then the
5391 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5393 Fix PR tree-optimization/26341
5394 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5395 about NAME_MEMORY_TAG's.
5397 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5400 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5401 with hardware float support, and software float support. Add fcpy
5402 alternative to hardware patterns. Add alternatives to copy between
5403 general and floating-point registers to the 32-bit pattern.
5404 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5405 secondary reload to load a QI or HI mode constant into a floating
5407 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5408 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5410 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5413 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5415 (load_macho_picbase_di): Likewise.
5417 2006-02-16 Jeff Law <law@redhat.com>
5419 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5420 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5421 (ssa_name_nonzero_p): Likewise.
5422 (get_value_range): Return NULL if VRP is not running.
5423 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5424 VRP routines do not discover a range.
5425 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5426 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5427 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5428 (tree_expr_nonnegative_p): Similarly.
5429 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5430 (restore_nonzero_vars_to_original_value): Remove.
5431 (unsafe_associative_fp_binop): Remove.
5432 (tree_ssa_dominator_optimize): Remove initialization and
5433 finalization of nonzero_vars and nonzero_vars_stack.
5434 (dom_opt_initialize_block): No longer push marker on
5436 (dom_opt_finalize_block): No longer call
5437 restore_nonzero_vars_to_original_value.
5438 (record_equivalences_from_phis): No longer look for
5439 nonzero PHI arguments.
5440 (cprop_into_successor_phis): No longer propagate nonzero
5441 property into PHI arguments. Lose unused argument. Caller
5443 (record_equivalences_from_stmt): No longer record nonzero
5444 values for SSA_NAMEs.
5445 (lookup_avail_expr): No longer use nonzero_vars.
5447 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5448 for sizetype when sizetype is unsigned.
5450 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5452 PR rtl-optimization/25603
5453 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5454 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5455 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5456 with new meaning of SETS.
5458 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5463 * config/linux.opt: New file.
5464 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5465 LINUX_DYNAMIC_LINKER): Define.
5466 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5467 * config.gcc (*-*-linux*): Define extra_options.
5468 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5469 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5470 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5471 GLIBC_DYNAMIC_LINKER.
5472 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5473 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5474 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5475 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5476 * doc/invoke.texi (GNU/Linux Options): New section.
5478 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5480 * config/sparc/sparc.md (setjmp): Rewrite.
5481 (setjmp_32): Delete.
5482 (setjmp_64): Likewise.
5484 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5486 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5489 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5491 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5494 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5496 PR rtl-optimization/26296
5497 * Makefile.in (loop-invariant.c): Add except.h dependency.
5498 * loop-invariant.c: Include except.h.
5499 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5501 2005-02-16 Paul Brook <paul@codesourcery.com>
5503 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5506 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5508 PR rtl-optimization/25636
5509 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5510 when deciding whether an insn is an initializing insn.
5512 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5514 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5515 (tree_code_size): Ditto.
5516 * tree.h (struct tree_memory_tag): Remove parent_var.
5517 (struct tree_struct_field_tag): New.
5520 (union tree_node): Add sft member.
5521 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5523 (create_sft): Add size and offset argument, set SFT_OFFSET and
5525 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5526 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5527 * tree-flow-inline.h (get_subvar_at): Update for
5528 SFT_OFFSET/SFT_SIZE.
5529 (var_can_have_subvars): Ditto.
5530 (overlap_subvar): Ditto.
5531 * print-tree.c (print_node): Print out interesting things for
5533 * tree-flow.h (struct subvar): Remove offset and size members.
5534 * tree-ssa-operands.c (get_expr_operands): Update for
5535 get_indirect_ref_operands changes.
5536 (get_indirect_ref_operands): Call add_virtual_operand instead of
5537 add_stmt_operand. Only recurse on base var if requested.
5538 (access_can_touch_variable): New function.
5539 (add_stmt_operand): Split virtual operand handling into ...
5540 (add_virtual_operand): Here. Add offset, size, and for_clobber
5541 arguments. Prune alias sets.
5542 (add_call_clobber_ops): Call add_virtual_operand.
5544 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5547 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5549 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5550 than TREE_CODE as index into omp_clause_num_ops array.
5552 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5554 PR rtl-optimization/26184
5555 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5557 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5558 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5559 must_precede, must_follow and tobe_scheduled.
5562 * opts.c (common_handle_option): Free new_option pointer.
5563 * df-core.c (df_analyze): Free postorder pointer.
5565 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5567 * Makefile.in: Fix the examples about the use of stamps
5569 2006-02-15 Michael Matz <matz@suse.de>
5573 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5574 influenced by maximum_field_alignment or DECL_PACKED.
5575 (update_alignment_for_field): Ditto.
5576 (place_field): Ditto.
5577 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5580 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5582 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5583 (debug_flow_info): Pass it.
5584 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5585 * bb-reorder.c (reorder_basic_blocks): Likewise.
5586 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5587 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5588 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5589 * gcse.c (gcse_main, bypass_jumps): Likewise.
5590 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5591 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5592 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5593 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5594 * rtl.h (dump_flow_info): Adjust prototype.
5595 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5596 * var-tracking.c (variable_tracking_main): Likewise.
5597 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5598 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5601 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5603 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5606 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5608 PR tree-optimization/26209
5609 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5610 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5612 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5614 2006-02-14 Roger Sayle <roger@eyesopen.com>
5617 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5618 (X,Y) and the corresponding symmetry related transformations.
5619 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5620 (X,Y) and its symmetry related transformations.
5622 2006-02-14 Roger Sayle <roger@eyesopen.com>
5624 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5627 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5629 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5631 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5634 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5635 support COMDAT group.
5636 * configure: Regenerate.
5638 2006-02-14 Roger Sayle <roger@eyesopen.com>
5643 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5645 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5647 Fix PR tree-optimization/26260
5649 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5651 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5652 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5653 * tree-ssa-structalias.c (create_variable_info_for): Use
5654 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5656 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5658 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5660 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5661 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5662 of the ending condition.
5663 * tree-ssa-loop-manip.c: Include params.h.
5664 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5665 tree_unroll_loop): New functions.
5666 * tree-pass.h (pass_loop_prefetch): Declare.
5667 * loop.c (rest_of_handle_loop_optimize): Test for
5668 -fprefetch-loop-arrays-rtl.
5669 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5670 * timevar.def (TV_TREE_PREFETCH): New timevar.
5671 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5672 pass_loop_prefetch): New.
5673 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5674 (cleanup_tree_cfg_loop): Call scev_reset.
5675 * common.opt (fprefetch-loop-arrays-rtl): Add.
5676 * tree-ssa-loop-prefetch.c: New file.
5677 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5678 (new_temp_expr_table): Initialize expr_vars.
5679 (free_temp_expr_table): Cleanup expr_vars.
5680 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5681 expressions from being merged into one.
5682 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5683 (struct tree_niter_desc): Add control, bound and cmp fields.
5684 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5686 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5687 (tree-cfgcleanup.o): Add SCEV_H dependency.
5688 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5689 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5691 2006-02-14 Richard Guenther <rguenther@suse.de>
5693 PR tree-optimization/26258
5694 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5695 in PHI argument processing.
5697 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5699 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5700 new expression in the requested machine mode.
5702 2006-02-13 Roger Sayle <roger@eyesopen.com>
5704 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5705 directly, instead let do_compare_rtx_and_jump handle this for us.
5706 * expr.c (expand_expr_real_1): Likewise.
5707 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5708 before do_jump_by_parts_greater.
5709 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5710 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5712 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5714 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5716 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5718 PR rtl-optimization/26235
5719 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5720 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5723 2006-02-13 Jeff Law <law@redhat.com>
5725 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5728 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5731 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5732 twice if decl is a builtin. When trying again, call get_callee_fndecl
5733 first to verify it is still a builtin.
5735 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5737 * dwarf2out.c (base_type_die): Don't add AT_name here.
5738 (subrange_type_die): Don't add AT_name here.
5739 (modified_type_die): Rearrange code flow. Do add AT_name here.
5741 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5743 PR rtl-optimization/26247
5744 PR rtl-optimization/26248
5745 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5747 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5749 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5750 * config/fixtfdi.c: Likewise.
5751 * config/fixunstfdi.c: Likewise.
5752 * config/floatditf.c: Likewise.
5754 2006-02-13 Roger Sayle <roger@eyesopen.com>
5757 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5758 into (X,C2) if C1 is a subset of the bits of C2. Transform
5759 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5761 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5763 2006-02-13 Josh Conner <jconner@apple.com>
5766 * varasm.c (function_section): Check for section name before
5767 calling select_section on targets that define
5768 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5769 unlikely_text_section instead of hot_function_section if
5770 first_function_block_is_cold.
5772 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5775 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5777 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5779 PR rtl-optimization/26222
5780 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5781 after tree->rtl expansion.
5782 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5783 before passing it to emit_move_insn.
5785 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5787 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5789 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5790 Clarify documentation.
5791 * c-common.h (warn_write_strings): Remove.
5792 * c-common.c (warn_write_strings): Likewise.
5793 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5796 2006-02-12 Roger Sayle <roger@eyesopen.com>
5799 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5800 (do_jump_parts_zero_rtx): New function renamed from
5801 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5802 (do_jump_parts_equality_rtx): New function split out from
5803 do_jump_parts_equality. Old implementation renamed as above.
5804 Call do_jump_parts_zero_rtx if either operand is zero.
5805 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5806 do all of the heavy lifting.
5807 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5808 calling either do_jump_by_parts_greater_rtx or
5809 do_jump_by_parts_equality_rtx.
5810 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5811 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5812 moved to do_compare_rtx_and_jump, call it directly.
5813 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5814 mode argument. Call do_compare_rtx_and_jump.
5815 (emit_case_nodes): Update calls to do_jump_if_equal.
5817 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5819 PR rtl-optimization/26225
5820 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5822 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5824 PR rtl-optimization/26232
5825 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5827 2006-02-11 Jason Merrill <jason@redhat.com>
5830 * tree-inline.c (declare_return_variable): Just don't use the
5831 modify target if it's a gimple complex reg and the return slot
5834 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5836 * doc/contrib.texi: Update my entry.
5838 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5840 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5842 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5844 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5847 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5849 * doc/invoke.texi (-floop-optimize2): Removed.
5850 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5851 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5852 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5853 * common.opt (floop-optimize2): Removed.
5854 (fmove-loop-invariants): Enabled by default.
5856 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5858 * tree-if-conv.c (combine_blocks): Free the result of
5859 get_loop_exit_edges.
5861 2006-02-10 Jeff Law <law@redhat.com>
5863 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5865 PR tree-optimization/26213
5866 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5867 loop trying to follow SSA_NAME_VALUE chains.
5869 2006-02-10 Richard Guenther <rguenther@suse.de>
5871 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5872 deal with structures that end in implicitly variable sized arrays.
5874 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5876 PR rtl-optimization/24762
5877 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5880 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5882 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5883 (struct ivopts_data): Add regs_used field.
5884 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5885 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5886 instead of loop_data->regs_used;
5887 (free_loop_data): Do not free aux fields for loops.
5888 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5889 and tree_ssa_iv_optimize_finalize.
5891 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5893 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5895 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5898 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5899 computing the effective result type.
5901 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5904 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5905 (tree_overlaps_hard_reg_set): Declare.
5906 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5907 type and signature to match function type expected by walk_tree.
5908 (tree_overlaps_hard_reg_set): New function.
5909 (decl_conflicts_with_clobbers_p): Rename to:
5910 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5911 Use tree_overlaps_hard_reg_set. Changed caller.
5912 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5913 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5914 * cris.c (cris_md_asm_clobbers): Likewise.
5916 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5918 * reload1.c (emit_input_reload_insns): Delete code that tries to
5919 inherit using find_equiv_reg.
5921 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5923 * c-common.h (flag_const_strings): Don't declare.
5924 * c-common.c (flag_const_strings): Remove.
5925 * c.opt (fconst_strings): Remove.
5926 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5927 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5928 (c_common_init_options): Don't set flag_const_strings.
5929 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5931 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5933 * arm.md (tlobits_cbranch): New pattern.
5934 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5935 testing a single bit.
5937 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5940 * tree-ssa-pre.c (create_component_ref_by_pieces):
5941 Handle RETURN_DECL like VAR_DECL.
5943 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5946 * fold-const.c (fold_indirect_ref_1): Fold
5947 "*(foo *)&complexfoo" to "__real__ complexfoo"
5948 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5950 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5952 * tree-flow-inline.h (var_can_have_subvars):
5953 Volatile variables should not have subvariables.
5955 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5958 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5959 multiplying unsigned values.
5962 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5964 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5966 2006-02-08 Jason Merrill <jason@redhat.com>
5969 * tree.def: Elaborate on difference from MODIFY_EXPR.
5970 * doc/c-tree.texi (INIT_EXPR): Likewise.
5971 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5972 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5973 (gimplify_target_expr): Likewise.
5974 (gimplify_cond_expr): Remove target handling.
5975 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5976 (gimplify_expr): Clobber it here.
5977 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5978 Do return slot optimization if we have an INIT_EXPR.
5981 * tree-inline.c (declare_return_variable): Also clear
5982 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5985 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5988 * gimplify.c (gimplify_one_sizepos): Fix typo.
5990 2006-02-08 Jeff Law <law@redhat.com>
5992 PR tree-optimization/21417
5993 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5994 across a backedge if the control statement at the end of the
5995 block is data dependent on other statements in the same block.
5996 (record_temporary_equivalences_from_stmts): Remove over-conservative
5997 test for threading across backedges.
5999 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6000 control statement, handle all three special cases in the same
6001 manner as they all have the same desired solution. No longer
6002 special case edge flag updating when the post dominator is
6005 2006-02-08 Roger Sayle <roger@eyesopen.com>
6007 * tree.def (CHAR_TYPE): Remove.
6008 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6009 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6010 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6011 (gen_string_type_die): Delete unreachable function.
6013 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6014 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6015 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6016 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6017 * builtins.c (type_to_class): Likewise.
6018 * fold-const.c (fold_convert, build_range_check,
6019 merge_ranges): Likewise.
6020 * expr.c (count_type_elements): Likewise.
6021 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6022 * stor-layout.c (layout_type): Likewise.
6023 * ipa-type-escape.c (type_to_consider): Likewise.
6024 * gimplify.c (omp_firstprivatize_type_sizes,
6025 gimplify_type_sizes): Likewise.
6026 * explow.c (promote_mode): Likewise.
6027 * tree-sra.c (is_sra_scalar_type): Likewise.
6028 * varasm.c (output_constant): Likewise.
6029 * tree-inline.c (remap_type_1): Likewise.
6030 * convert.c (convert_to_pointer, convert_to_real,
6031 convert_to_integer, convert_to_complex): Likewise.
6033 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6035 * df-scan.c (df_def_record_1): A set destination may
6036 be a parallel regardless of mode.
6038 2006-02-08 Roger Sayle <roger@eyesopen.com>
6041 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6042 * config/mips/_tilib.c: Remove.
6043 * config/fixtfdi.c: New libgcc source file.
6044 * config/fixunstfdi.c: New source file.
6045 * config/floatditf.c: New source file.
6046 * config/floatunditf.c: New souce file.
6047 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6048 files above instead of config/mips/_tilib.c.
6049 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6051 2006-02-08 Jeff Law <law@redhat.com>
6053 PR tree-optimization/26169
6054 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6057 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6059 * df.h (DF_REG_SIZE): Return the length of the initialized
6062 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6064 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6065 __muldf3): Return a correctly signed zero.
6067 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6069 * passes.c (register_one_dump_file): Accept the current properties
6070 instead of pass number. Adjust call to dump_register. Remove
6072 (register_dump_files): Now a wrapper around...
6073 (register_dump_files_1): ... this one. Do not modify the pass
6075 (next_pass_1): Cosmetic fix.
6076 (execute_todo): Keep second parameter only. Use curr_properties
6077 instead of fetching it from the pass structure. Check and set
6079 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6080 instead of fetching it from the pass structure. Fix calls to
6081 execute_todo. Update curr_properties and initialize .vcg RTL dump
6082 after running the pass. Reset last_verified.
6083 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6085 (FIRST_AUTO_NUMBERED_DUMP): New.
6086 (dump_register): Remove "num" parameter, assign it within the
6088 (get_dump_file_name): Modify template for dumps.
6089 * tree-dump.h (dump_register): Adjust prototype.
6090 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6091 (PROP_trees): Add PROP_gimple_lomp.
6092 (TODO_set_props): New.
6093 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6094 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6095 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6097 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6099 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6100 (sparc64-*-linux*): Likewise.
6101 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6102 * config/sparc/t-linux: New file.
6103 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6104 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6105 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6106 -m32 -mlong-double-128.
6108 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6109 * config/alpha/t-linux: New file.
6110 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6112 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6113 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6114 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6115 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6116 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6117 (CPP_ARCH32_SPEC): Remove.
6119 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6121 PR tree-optimization/26145
6122 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6125 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6128 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6129 >= 240000 when generating code for SOM runtime.
6130 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6131 to $$dyncall when generating code for SOM runtime..
6133 2006-02-07 Dirk Mueller <dmueller@suse.com>
6136 * doc/invoke.texi (-Wsequence-point): Update documentation
6137 that -Wsequence-point is implemented for C++ as well.
6139 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6141 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6142 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6143 (LIB_SPEC): Likewise.
6144 * doc/invoke.texi (SPARC options): Document -pthread.
6146 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6148 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6151 2006-02-07 Roger Sayle <roger@eyesopen.com>
6153 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6154 Correct comment describing BOOLEAN_TYPE.
6156 2006-02-07 Dirk Mueller <dmueller@suse.com>
6158 * c.opt: C++ frontend supports -Wdiv-by-zero.
6159 * c-opts.c (c_common_handle_option): Remove dead case.
6161 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6163 * configure.ac (TLS assembler check): Do not enable TLS by
6164 default on SPARC/Solaris before version 10.
6165 * configure: Regenerate.
6167 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6169 * doc/invoke.texi (xl-compat): Document conversion and support
6172 2006-02-07 Jeff Law <law@redhat.com>
6174 * tree-vrp.c (find_conditional_asserts): Update comments.
6175 (simplify_stmt_for_jump_threading): New.
6176 (identify_jump_threads, finalize_jump_threads): New.
6177 (vrp_finalize): Call identify_jump_threads.
6178 (execute_vrp): Call finalize_jump_threads.
6179 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6180 (vrp_element, vrp_data, vrp_element_p): Remove.
6181 (vrp_hash_elt, vrp_variables_stack): Remove.
6182 (vrp_hash, vrp_eq, record_range): Remove.
6183 (simplify_cond_and_lookup_avail_expr): Remove.
6184 (extract_range_from_cond): Remove.
6185 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6186 (simplify_stmt_for_jump_threading): New.
6187 (dom_thread_across_edge): New wrapper.
6188 (tree_ssa_dominator_optimize): No longer initialize or
6189 finalize any of the VRP datastructures. Remove iteration
6190 step and simplify as a result of removal of iteration step.
6191 (pass_dominator): Perform a cfg cleanup after DOM.
6192 (dom_opt_finalize_block): Use the new common routines
6193 for threading jumps. Simplify stack management slightly.
6194 No longer need to unwind VRP state.
6195 (record_equivalences_from_incoming_edge): No longer record
6197 (eliminate_redundant_computations): No longer call
6198 simplify_cond_and_lookup_avail_expr.
6199 * tree-flow.h (potentially_threadable_block): Prototype.
6200 (thread_across_edge): Likewise.
6201 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6202 (tree-ssa-threadedge.o): Add dependencies.
6203 * tree-ssa-threadedge.c: New file.
6204 * passes.c (init_optimization_passes): Merge PHIs before
6205 calling VRP. Run VRP again late in the SSA optimization pipeline.
6207 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6209 * df-core.c (df_set_blocks): Do not dereference function pointers.
6210 (df_finish1): Likewise.
6211 (df_hybrid_search_forward): Likewise.
6212 (df_hybrid_search_backward): Likewise.
6213 (df_iterative_dataflow): Likewise.
6214 (df_analyze_problem): Likewise.
6215 (df_compact_blocks): Likewise.
6216 (df_dump): Likewise.
6217 * df-scan.c (df_rescan_blocks): Likewise.
6218 (df_record_entry_block_defs): Likewise.
6220 * genconditions.c (write_conditions): Guard the definition of
6221 'insn_conditions' with the check on GCC version.
6222 (write_writer): Guard the traversal 'insn_conditions' with
6223 the check on GCC version.
6225 2006-02-07 Richard Guenther <rguenther@suse.de>
6229 2006-01-30 Richard Guenther <rguenther@suse.de>
6231 * gimplify.c (gimplify_target_expr): Handle easy cases
6232 without creating a temporary.
6234 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6236 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6237 use of float in probability computations. Use edge probabilities
6238 in place of statically computed probabilities.
6239 (min_spec_prob): New static variable.
6240 (schedule_insns): Initialize it.
6241 (GET_SRC_PROB): Removed.
6242 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6244 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6247 * config/ia64/unwind-ia64.c: Revert last change.
6248 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6249 (INCOMING_FRAME_SP_OFFSET): Define.
6251 2006-02-06 Roger Sayle <roger@eyesopen.com>
6253 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6255 2006-02-07 Ben Elliston <bje@au.ibm.com>
6257 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6258 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6259 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6260 (ix86_return_in_memory): Handle TDmode.
6261 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6262 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6264 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6266 * reorg.c (dbr_schedule): Use dump_file instead of file.
6268 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6271 * config/ia64/predicates.md (extr_len_operand): New predicate.
6272 * config/ia64/ia64.md (extv): Tighten constraints.
6274 (*tbit_and_2): Ditto.
6275 (*tbit_and_3): Ditto.
6276 (*tbit_or_2): Ditto.
6277 (*tbit_or_3): Ditto.
6281 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6284 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6286 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6288 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6289 loop_optimizer_init and loop_optimizer_finalize
6290 * tree-ssa-sink.c (execute_sink_code): Ditto.
6291 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6292 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6293 tree_ssa_loop_done): Ditto.
6294 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6295 * sched-ebb.c: Include output.h.
6296 (schedule_ebbs): Do not use dump argument.
6297 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6298 * loop.c (loop_dump_stream): Removed.
6299 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6301 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6302 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6303 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6304 loop_iterations, strength_reduce, record_biv, record_giv,
6305 final_giv_value, check_final_value, check_ext_dependent_givs,
6306 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6307 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6308 dump_file instead of loop_dump_stream.
6309 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6311 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6313 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6314 * haifa-sched.c: Include output.h
6315 (schedule_insns, sched_init): Do not use dump argument.
6316 * mode-switching.c (optimize_mode_switching): Ditto.
6317 * modulo-sched.c (stats_file): Removed.
6318 (print_node_sched_params): Do not call argument dump_file.
6319 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6320 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6322 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6324 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6325 rtl_loop_init, rtl_loop_done): Ditto.
6326 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6327 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6329 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6330 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6331 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6332 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6333 * emit-rtl.c (renumber_insns): Ditto.
6334 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6335 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6336 * regclass.c (regclass): Ditto.
6337 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6338 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6339 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6340 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6342 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6343 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6345 * gcse.c (gcse_file, debug_stderr): Removed.
6346 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6347 rest_of_handle_gcse): Do not use dump argument.
6348 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6349 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6350 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6351 compute_code_hoist_vbeinout, compute_code_hoist_data,
6352 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6353 compute_store_table, build_store_vectors, insert_insn_start_bb,
6354 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6355 store_motion): Use dump_file instead of gcse_file.
6356 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6357 * profile.c (profile_dump_file): Removed.
6358 (branch_prob): Use dump_file instead of profile_dump_file.
6359 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6361 * tree-ssa-copy.c (dump_copy_of): Ditto.
6362 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6363 dump file to life_analysis.
6364 * bt-load.c (branch_target_load_optimize): Ditto.
6365 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6367 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6368 regclass, dbr_schedule): Declaration changed.
6369 * sched-int.h (sched_init): Declaration changed.
6370 * tree-profile.c (tree_profile_dump_file): Removed.
6371 (tree_profile_hooks): Removed profile_dump_file hook.
6372 * rtl-profile (rtl_profile_dump_file): Removed.
6373 (rtl_profile_hooks): emoved profile_dump_file hook.
6374 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6376 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6377 * tree-cfg.c (build_tree_cfg): Ditto.
6378 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6379 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6380 Declaration changed.
6381 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6382 life_analysis and schedule_insns.
6383 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6385 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6387 * config/mips/mips.c (mips_reorg): Ditto.
6388 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6391 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6393 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6394 (s390_mangle_fundamental_type): New.
6395 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6398 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6399 (alpha_mangle_fundamental_type): New.
6400 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6403 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6405 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6407 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6408 (sparc_mangle_fundamental_type): New.
6410 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6412 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6413 (s390x-*-linux*): Likewise.
6414 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6415 * config/s390/t-linux: New file.
6417 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6419 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6420 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6422 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6424 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6425 (ANTIC_SAFE_LOADS): New macro.
6426 (find_or_generate_expression): Add prototype.
6427 (set_contains_value): Allow null set for sake of not always having
6428 to allocate ANTIC_SAFE_LOADS.
6429 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6430 Allow COMPONENT_REF too.
6431 (valid_in_set): Allow COMPONENT_REF.
6432 Check ANTIC_SAFE_LOADS too.
6433 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6434 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6436 (can_PRE_operation): Add COMPONENT_REF.
6437 (create_component_ref_by_pieces): New function.
6438 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6439 (insert_aux): Move AGGREGATE_TYPE_P check here.
6440 (compute_avail): Set bb local stmt uids.
6441 (pass_pre): Use TODO_update_ssa_only_virtuals.
6443 2006-02-06 Ben Elliston <bje@au.ibm.com>
6445 * configure.ac: Unconditionally disable decimal float by default.
6446 * configure: Regenerate.
6448 2006-02-06 Ben Elliston <bje@au.ibm.com>
6450 * read-rtl.c (read_name): Terminate reading on EOF.
6452 2006-02-06 Ben Elliston <bje@au.ibm.com>
6454 * dfp.c (decimal_real_arithmetic): Change second argument type
6455 from int to enum tree_code. Do not always return true, but now
6456 return result of any call to decimal_do helper functions.
6457 * dfp.h (decimal_real_arithmetic): Update prototype.
6459 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6461 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6463 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6466 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6469 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6471 * tree-vrp.c (cfg_loops): Removed.
6472 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6473 Use current_loops instead of cfg_loops. Pass flags to
6474 loop_optimizer_init.
6475 * cfgloopmanip.c (fix_loop_structure): Update only available
6477 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6478 loop_optimizer_init.
6479 * modulo-sched.c (build_loops_structure): Removed.
6480 (sms_schedule): Use loop_optimizer_init.
6481 * loop-init.c (loop_optimizer_init): Use flags to determine
6482 which properties of loops to prepare.
6483 (rtl_loop_init): Pass flags to loop_optimizer_init.
6484 * tree-ssa-sink.c (execute_sink_code): Ditto.
6485 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6486 * tree-ssa-pre.c (init_pre): Ditto.
6487 * cfgloop.h (LOOPS_NORMAL): New.
6488 (loop_optimizer_init): Declaration changed.
6490 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6492 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6493 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6495 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6497 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6499 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6500 * pa/t-pa64: Delete quadlib.c rule.
6501 * pa/x-ada: Revert last change.
6502 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6504 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6506 PR rtl-optimization/26087
6507 * rtlanal.c (canonicalize_condition): Do not cross basic block
6510 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6513 * config/ia64/ia64.c: Include debug.h.
6514 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6515 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6516 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6517 (process_epilogue, process_set, process_for_unwind_directive):
6518 Output unwind info only if requested. Add CFA info if requested.
6519 Add new arguments as needed. Adjust callers.
6520 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6522 (DWARF2_FRAME_INFO): Define to zero.
6523 * config/ia64/unwind-ia64.c: Remove code that compensated for
6524 the CFA offset error fixed above.
6525 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6526 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6527 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6528 -funwind-tables and -fexceptions to enable frame info.
6529 (dwarf2out_frame_init): Define initial CFA even if
6530 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6531 DWARF2_UNWIND_INFO is nonzero, not just defined.
6532 (dwarf2out_frame_finish): Output non-EH call frame info only
6533 if DWARF2_FRAME_INFO is nonzero.
6534 (convert_cfa_to_loc_list,
6535 compute_frame_pointer_to_cfa_displacement): Define even if
6536 unwind info is not supported.
6537 (gen_subprogram_die): Use the above unconditionally. Remove
6538 legacy alternate code.
6539 * toplev.c (compile_file): Compile in call to
6540 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6541 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6543 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6544 Jakub Jelinek <jakub@redhat.com>
6546 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6547 IBM extended float format long double as "g" on powerpc*-linux.
6549 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6552 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6553 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6555 2006-02-03 Jason Merrill <jason@redhat.com>
6558 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6561 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6562 on the return slot if it's an NRV.
6564 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6566 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6567 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6568 rewrite_use): Do not handle USE_OUTER.
6569 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6570 add_iv_outer_candidates, may_replace_final_value,
6571 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6572 (find_interesting_uses_op): Functionality of
6573 find_interesting_uses_outer_or_nonlin moved here.
6574 (find_interesting_uses_outside): Use find_interesting_uses_op.
6576 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6579 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6581 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6582 Ulrich Weigand <uweigand@de.ibm.com>
6585 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6586 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6587 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6588 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6590 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6591 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6592 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6593 Define secondary reloads for TFmode moves.
6594 (constant_modes): Add TFmode.
6595 (NR_C_MODES): Set to 8.
6596 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6598 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6599 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6600 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6601 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6602 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6603 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6604 (FPR mode macro): Add TFmode.
6605 (DSF mode macro): New.
6606 (<de>, <dee> mode attributes): Removed.
6607 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6608 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6609 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6610 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6611 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6612 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6613 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6614 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6615 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6616 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6617 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6618 "*negabs<mode>2", "sqrt<mode>2"):
6619 Changed <de> to <xde>. R constraint replaced by <Rf>.
6620 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6622 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6623 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6624 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6626 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6627 "extenddftf2", "extendsftf2"): New expanders.
6628 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6629 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6630 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6631 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6633 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6634 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6635 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6636 __floatditf): Add a GCC_4.1.0 symbol version tag.
6637 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6640 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6643 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6644 Use targetm.binds_local_p instead of TREE_PUBLIC.
6646 2006-02-02 Roger Sayle <roger@eyesopen.com>
6648 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6649 on INTEGER_TYPEs to indicate that it denotes a character type.
6650 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6651 signed_char_type_node, unsigned_char_type_node and char_type_node.
6652 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6653 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6654 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6656 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6657 Daniel Berlin <dberlin@dberlin.org>
6659 * tree-tailcall.c (arg_needs_copy_p): New function.
6660 (eliminate_tail_call): Use arg_needs_copy_p.
6661 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6662 (add_virtual_phis): New function.
6664 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6666 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6667 #ignore instead of #scratch for %g7 .register directive.
6669 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6671 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6674 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6676 * flow.c (calculate_global_regs_live): Assert that there aren't any
6679 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6681 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6683 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6684 bsi_after_labels iterator.
6685 * tree-if-conv.c (find_phi_replacement_condition,
6686 replace_phi_with_cond_modify_expr): Likewise.
6687 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6688 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6690 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6692 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6694 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6697 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6698 array after growing it.
6700 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6703 * fold-const.c (fold_checksum_tree): Change type of buf.
6705 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6707 * reload.c (push_secondary_reload): Initialize t_icode.
6709 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6711 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6712 -msoft-float -mlong-double-128 only issue a warning, but don't
6713 swich to DFmode long double.
6715 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6717 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6718 has a constant equivalent, iterate over equivalents for arg0,
6719 calling simplify_relational_operation and if there's a result
6720 cheaper than X, apply fold_rtx and return the result.
6722 2006-02-01 Jan Hubicka <jh@suse.cz>
6724 * opts.c (no_unit_at_a_time_default): New global variable.
6725 (decode_options): Use it.
6726 * opts.h (no_unit_at_a_time_default): Declare.
6728 2006-02-01 Paul Brook <paul@codesourcery.com>
6730 * function.c (assign_parm_setup_reg): Use function argument promotion
6732 * expr.c (expand_expr_real_1): Use function argument promotion rules
6735 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6737 * gcc.c (process_command): Change j to 'unsigned int'.
6739 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6742 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6743 Use the corrected index for the character
6744 out of the string constant.
6746 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6748 * mode-switching.c (optimize_mode_switching): Fix size
6749 allocated for bb_info[n_entities].
6751 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6753 * gcc.c (main): Correct type that is allocated for
6754 explicit_link_files.
6756 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6758 * config/s390/s390.c (init_alignment_context): Set
6759 ALIAS_SET_MEMORY_BARRIER on the MEM.
6760 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6762 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6765 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6767 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6770 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6772 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6773 * regrename.c: Ditto.
6774 * tree-ssa-loop-im.c: Ditto.
6775 * tree-dump.c: Ditto.
6776 * tree-complex.c: Ditto.
6777 * genrecog.c: Ditto.
6778 * tree-ssa-threadupdate.c: Ditto.
6780 * java/class.c: Ditto.
6781 * java/jcf-parse.c: Ditto.
6782 * java/resource.c: Ditto.
6783 * java/except.c: Ditto.
6784 * java/jvspec.c: Ditto.
6785 * java/jcf-write.c: Ditto.
6786 * java/jcf-path.c: Ditto.
6787 * java/gjavah.c: Ditto.
6788 * java/zextract.c: Ditto.
6789 * java/jcf-io.c: Ditto.
6790 * java/jcf.h: Ditto.
6791 * java/buffer.c: Ditto.
6792 * java/lang.c: Ditto.
6793 * java/parse-scan.y: Ditto.
6794 * java/lex.c: Ditto.
6795 * java/lex.h: Ditto.
6796 * cfgloopmanip.c: Ditto.
6797 * postreload-gcse.c: Ditto.
6798 * tree-ssa-loop-manip.c: Ditto.
6799 * postreload.c: Ditto.
6800 * tree-ssa-loop-ch.c: Ditto.
6804 * diagnostic.c: Ditto.
6806 * genoutput.c: Ditto.
6808 * cfghooks.c: Ditto.
6809 * cfgloopanal.c: Ditto.
6810 * objc/objc-act.c: Ditto.
6812 * genextract.c: Ditto.
6813 * genautomata.c: Ditto.
6814 * pretty-print.c: Ditto.
6816 * cgraphunit.c: Ditto.
6819 * haifa-sched.c: Ditto.
6820 * dominance.c: Ditto.
6822 * tree-ssa-loop-ivopts.c: Ditto.
6824 * mode-switching.c: Ditto.
6825 * modulo-sched.c: Ditto.
6827 * ipa-pure-const.c: Ditto.
6829 * fix-header.c: Ditto.
6831 * tree-stdarg.c: Ditto.
6832 * ipa-utils.c: Ditto.
6833 * loop-init.c: Ditto.
6834 * ipa-inline.c: Ditto.
6837 * alloc-pool.c: Ditto.
6838 * dwarf2out.c: Ditto.
6840 * genattrtab.c: Ditto.
6841 * tree-ssa-loop-ivcanon.c: Ditto.
6845 * fortran/gfortranspec.c: Ditto.
6847 * local-alloc.c: Ditto.
6848 * langhooks.c: Ditto.
6849 * function.c: Ditto.
6850 * tree-vectorizer.c: Ditto.
6852 * ipa-type-escape.c: Ditto.
6854 * tree-if-conv.c: Ditto.
6857 * tree-data-ref.c: Ditto.
6858 * loop-unroll.c: Ditto.
6859 * treelang/treetree.c: Ditto.
6862 * ggc-common.c: Ditto.
6864 * coverage.c: Ditto.
6866 * tree-cfgcleanup.c: Ditto.
6867 * tree-ssa-pre.c: Ditto.
6868 * cfgcleanup.c: Ditto.
6869 * loop-invariant.c: Ditto.
6871 * ipa-prop.c: Ditto.
6872 * print-tree.c: Ditto.
6873 * conflict.c: Ditto.
6874 * ggc-page.c: Ditto.
6875 * sched-deps.c: Ditto.
6876 * regclass.c: Ditto.
6877 * tree-object-size.c: Ditto.
6879 * bb-reorder.c: Ditto.
6880 * resource.c: Ditto.
6881 * var-tracking.c: Ditto.
6883 * df-problems.c: Ditto.
6884 * reg-stack.c: Ditto.
6887 * sched-rgn.c: Ditto.
6888 * tree-ssa-structalias.c: Ditto.
6889 * tree-ssa-reassoc.c: Ditto.
6890 * config/darwin-c.c: Ditto.
6891 * config/darwin.c: Ditto.
6892 * config/arm/arm.c: Ditto.
6894 * collect2.c: Ditto.
6897 2006-01-31 Nicolas Pitre <nico@cam.org>
6899 * arm.md (smaxsi3): Make aware of smax_m1.
6902 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6904 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6906 2006-01-31 Richard Guenther <rguenther@suse.de>
6908 * doc/invoke.texi (-msselibm): Document.
6909 * target.h (expand_library_builtin): New target hook.
6910 * builtins.c (expand_builtin): Use expand_library_builtin.
6911 (default_expand_library_builtin): New function.
6912 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6913 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6914 (link_gcc_math_spec): Declare.
6915 (static_specs): Add link_gcc_math_spec.
6916 * expr.h (default_expand_library_builtin): Declare.
6917 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6918 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6919 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6920 * config/i386/i386.opt (msselibm): New target option.
6921 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6922 (ix86_init_sse_abi_builtins): New function.
6923 (ix86_expand_library_builtin): Likewise.
6924 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6925 (override_options): Handle error conditions wrt -msselibm.
6926 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6927 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6928 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6931 2006-01-31 Richard Guenther <rguenther@suse.de>
6932 Paolo Bonzini <bonzini@gnu.org>
6934 * doc/install.texi (--disable-libgcc-math): Document.
6936 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6938 * expr.h (expand_normal): new inline function.
6939 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6941 * dwarf2out.c: use it.
6946 * config/sparc/sparc.c: use it.
6947 * config/i386/i386.c: use it.
6948 * config/rs6000/rs6000.c: use it.
6949 * config/arm/arm.c: use it.
6950 * config/mips/mips.c: use it.
6951 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6953 2006-01-30 Roger Sayle <roger@eyesopen.com>
6955 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6956 argv to the appropriate type.
6958 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6960 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6963 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6966 * config/s390/s390.c (struct machine_function): New flag
6967 decomposed_literal_pool_addresses_ok_p.
6968 (s390_reorg): Set it before final stage of literal pool transforms.
6969 (s390_decompose_address): Only accept displacements of the form
6970 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6972 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6974 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6975 the comparison routine return.
6977 2006-01-30 Michael Matz <matz@suse.de>
6979 * global.c (find_reg): Only evict for global regs.
6980 Take n_refs into account and dump more info.
6982 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6985 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6986 (pragma_trap, pragma_nosave_low_regs): Likewise.
6987 (current_function_anonymous_args): Likewise.
6988 (sh_deferred_function_attributes): New variable.
6989 (sh_deferred_function_attributes_tail): Likewise.
6990 (print_operand): For '@', look up trap_exit attribute.
6991 (calc_live_regs): Look up trapa_handler attribute. For trapa
6992 handlers, save/restore fpscr, but don't do any other
6993 interrupt-specific saves.
6994 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6995 Fix check for partially saved registers to check for SHmedia.
6996 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6997 (sh_output_function_epilogue): Don't clear any of the removed
6999 (sh_insert_attributes): Don't check pragma_interrupt.
7000 Insert deferred attributes. Check that interrupt attribute is
7001 present for other attributes that require its presence.
7002 (sh_attribute_table): Add new attributes trapa_handler and
7004 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7005 Don't check for pragma_interrupt. Don't store argument.
7006 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7007 (sh_deferred_function_attributes): Declare.
7008 (sh_deferred_function_attributes_tail): Likewise.
7009 * sh.md (sp_switch_1): Add operand. Change generator caller.
7010 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7011 (*return_i): Don't use when trap_exit attribute is in effect.
7012 (*return_trapa): New insn pattern.
7014 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7015 setting c_target_objs and cxx_target_objs.
7016 * t-sh: Add rule for sh-c.o.
7018 2006-01-30 Richard Guenther <rguenther@suse.de>
7021 * gimplify.c (gimplify_target_expr): Handle easy cases
7022 without creating a temporary.
7024 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7026 * vec.h (safe_grow): Remove duplicated line.
7028 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7031 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7032 (expand_omp): ... here.
7033 (expand_omp_parallel): Only remove barriers for combined
7034 parallel+workshare constructs.
7036 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7040 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7041 * tree.c (build_qualified_type): Chain the new type to the original
7042 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7043 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7044 (build_pointer_type_for_mode): Only return unqualified types.
7045 (build_reference_type_for_mode): Likewise.
7047 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7049 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7050 * Makefile.in (CXX_COMPAT_WARN): Define.
7051 * configure: Regenerate.
7053 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7056 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7059 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7061 * toplev.c: Fix thinko.
7063 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7064 Marcin Dalecki <martin@dalecki.de>
7066 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7067 (push_srcloc): Use XNEW.
7068 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7070 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7072 * df-core.c (df_set_blocks): Deleted all variable.
7074 2006-01-28 Ian Lance Taylor <ian@airs.com>
7076 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7077 cgraph_output_pending_asms.
7079 2006-01-28 Zack Weinberg <zackw@panix.com>
7081 * c.opt: Add -W(no-)overlength-strings.
7082 * doc/invoke.texi: Document it.
7083 * c-opts.c (c_common_handle_option): -pedantic implies
7084 -Woverlength-strings, if not explicitly disabled already.
7085 (c_common_post_options): -Woverlength-strings defaults to off, and
7086 is always off for C++.
7087 * c-common.c (fix_string_type): Issue warning about strings longer
7088 than is portable only if warn_overlength_strings. Rearrange code
7089 a little for clarity.
7090 * configure.in: Check for -Wno-overlength-strings as well before
7091 enabling -pedantic in stage 1.
7092 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7093 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7095 * genconditions.c (write_header, write_one_condition)
7096 (write_conditions, write_writer): Consolidate very long strings
7097 that were broken up to fit in C89 portable limit. Don't use
7098 printf when fputs will do.
7100 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7102 * combine.c (simplify_comparison <AND>): Check
7103 TRULY_NOOP_TRUNCATION before start using a subreg.
7105 * config/mips/mips.md (*branch_zero<mode>,
7106 *branch_zero<mode>_inverted, *branch_equality<mode>,
7107 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7108 Remove mode check from comparisons.
7110 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7112 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7114 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7116 * expmed.c (const_mult_add_overflow_p): Remove.
7117 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7119 * recog.c (validate_replace_rtx_subexp): Remove.
7120 * recog.h: Remove the prototype for
7121 validate_replace_rtx_subexp.
7123 * integrate.h: Remove the prototype for
7124 copy_decl_for_inlining.
7125 * rtl.h: Remove the prototype for mark_constant_function.
7126 * tree-vectorizer.h: Remove the prototype for
7127 vect_strip_conversion.
7129 * modulo-sched.c (create_partial_schedule,
7130 free_partial_schedule, reset_partial_schedule): Make them
7133 * hooks.c (hook_bool_rtx_int_false): Remove.
7134 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7136 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7138 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7139 and -mlong-double-128 are incompatible.
7140 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7141 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7142 (TARGET_LIBGCC2_CFLAGS): Define.
7143 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7144 (TARGET_LIBGCC2_CFLAGS): Same.
7145 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7147 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7150 * c-typeck.c (build_binary_op): Perform implicit casts of
7151 operands before shortening them.
7153 * cfgloopmanip.c (split_loop_bb): Remove.
7154 * cfgloop.h: Remove the prototype for split_loop_bb.
7156 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7157 * cfgloop.h: Remove the prototype for
7158 flow_loop_outside_edge_p.
7160 * emit-rtl.c (init_virtual_regs): Make it static.
7161 * function.h: Remove the prototype for init_virtual_regs.
7163 * recog.c (peephole2_optimize): Make it static.
7164 * recog.h: Remove the prototype for peephole2_optimize.
7166 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7168 * df-scan.c (df_record_entry_block_defs): Check if
7169 INCOMING_RETURN_ADDR_RTX is defined.
7171 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7172 Kenneth Zadeck <zadeck@naturalbridge.com>
7174 PR rtl-optimization/24762
7175 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7176 * targhooks.c (hook_void_bitmap): New hook prototype.
7177 * targhoohs.h (hook_void_bitmap): Ditto.
7178 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7179 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7180 * target.h (live_on_entry): New function pointer.
7181 * df-scan.c (df_all_hard_regs): Removed.
7182 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7183 (df_scan_free_internal): Added df->entry_block_defs.
7184 (df_scan_alloc): Ditto.
7185 (df_scan_dump): Ditto.
7186 (df_uses_record): Plumbed flag field properly thru calls.
7187 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7188 This part fixes PR24762.
7189 (df_bb_refs_record): Added code to make the frame and arg
7190 pointers live in EH blocks.
7191 (df_refs_record): Added call to df_record_entry_block_defs.
7192 (df_record_entry_block_defs): New function.
7193 * df-core.c: Added comments to describe new artifical defs.
7194 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7195 (entry_block_defs): New field in struct df.
7196 (df_all_hard_regs): Deleted.
7197 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7198 * df-problems.c (df_ru_bb_local_compute_process_def):
7199 Added code to handle artifical defs in the entry to a function.
7200 (df_ru_bb_local_compute): Ditto.
7201 (df_rd_bb_local_compute_process_def): Ditto.
7202 (df_rd_bb_local_compute): Ditto.
7203 (df_lr_bb_local_compute): Ditto.
7204 (df_ur_bb_local_compute): Ditto.
7205 (df_urec_bb_local_compute): Ditto.
7206 (df_chain_create_bb): Ditto.
7207 (df_ur_local_finalize): Removed entry.
7208 (df_urec_init): Ditto.
7209 (df_urec_local_finalize): Ditto.
7210 (df_ri_bb_compute): Added detection of last use of pseudos.
7211 * Makefile.in (df-scan.o): Updated dependencies.
7212 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7213 * config/mips/mips.c (mips_set_live_on_entry): Added.
7214 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7216 * dce.c (marked_insn_p): Added code to handle artifical defs.
7218 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7220 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7222 (_mm_cvtsi128_si64): Likewise.
7223 (_mm_cvtsd_si64): Likewise.
7224 (_mm_cvttsd_si64): Likewise.
7225 (_mm_cvtsi64_sd): Likewise.
7226 (_mm_cvtsi64_si128): Likewise.
7227 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7228 (_mm_cvtsi64_m64): Likewise.
7229 (_m_to_int64): Likewise.
7230 (_mm_cvtm64_si64): Likewise.
7231 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7232 (_mm_cvttss_si64): Likewise.
7233 (_mm_cvtsi64_ss): Likewise.
7234 (_mm_cvtss_f32): Likewise.
7236 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7238 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7239 for pragma redefine_extname.
7241 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7244 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7245 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7246 -mno-minimal-toc to previous content.
7247 (bispecs): Remove goal.
7248 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7249 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7250 compatibility aliases on powerpc-*-*gnu*.
7251 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7252 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7253 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7254 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7255 (ldblspecs): New goal.
7256 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7257 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7259 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7260 L_sf_to_tf or L_df_to_tf is defined.
7262 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7263 Alan Modra <amodra@bigpond.net.au>
7266 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7267 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7268 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7269 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7270 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7271 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7272 (rs6000_override_options): Initialize rs6000_ieeequad.
7273 Initialize TFmode format to ibm_extended_format if not
7275 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7277 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7278 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7279 (function_arg_advance): IBM long double passed in two FPRs, not
7281 (function_arg): IBM long double passed in FPRs.
7282 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7283 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7284 Only multireg GPR aligned.
7285 (rs6000_init_libfuncs): Enable IBM long double functions if not
7287 (rs6000_generate_compare): Use IBM long double compare if not
7289 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7290 (TARGET_IEEEQUAD): Define.
7291 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7292 not TARGET_IEEEQUAD.
7293 * config/rs6000/rs6000.md: Enable TFmode patterns if
7295 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7296 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7297 and -mlong-double-128 are incompatible.
7298 * doc/invoke.texi (-mabi): Collect options together. Add
7299 ibmlongdouble and ieeelongdouble.
7301 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7303 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7305 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7306 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7307 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7308 * rtl.h (rtunion_def): Remove rt_ptr.
7310 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7311 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7312 * config/i386/winnt.c (i386_pe_mark_dllexport)
7313 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7315 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7317 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7319 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7323 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7324 pthread_key_delete. From John David Anglin. gthrw-ify
7325 pthread_getunique_np only if it it's not a macro. Delete
7327 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7328 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7329 __gthread_objc_condition_signal, __gthread_key_delete): Add
7330 "__attribute__ ((__unused__))" to unused arguments.
7331 (__gthread_recursive_mutex_init_function): Add missing return.
7332 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7333 gthr-posix95.h: Use macro-based approach for name redirection
7334 on targets missing weakref.
7336 2006-01-26 Zack Weinberg <zackw@panix.com>
7338 * genconditions.c (write_header): In generated code, #ifdef out
7339 all includes and fake declarations, except includes of bconfig.h
7340 and system.h, unless GCC_VERSION >= 3001. Do not include
7341 gensupport.h in any case.
7342 (write_conditions): Generate a definition of struct c_test. Add
7343 a comment to the generated #endif.
7344 (write_one_condition): Escape backslashes in string too.
7345 (write_writer): Generated code must escape backslashes and quote
7346 marks (but not newlines) in the strings it writes.
7347 * Makefile.in (build/gencondmd.o): Update dependencies.
7349 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7352 * Makefile.in (insn-automata.o): Add header file dependencies.
7353 * genautomata.c: Add includes.
7355 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7358 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7360 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7362 * configure.ac: Expect target tools paths to be passed from the toplevel
7363 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7365 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7367 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7370 * c.opt (Wpointer-sign): Init to -1.
7371 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7372 OPT_pedantic, to 0 otherwise.
7373 * doc/invoke.texi: Update.
7375 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7377 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7378 constants provided by 80387 instructions in the destination mode.
7380 2006-01-26 Richard Guenther <rguenther@suse.de>
7381 Andrew Pinski <pinskia@physics.uc.edu>
7384 partial PR tree-opt/17064
7385 * tree-ssa-structalias.c (intra_create_variable_infos):
7386 Create heap variables for incoming parameters if
7387 flag_argument_noalias > 1.
7388 (find_what_p_points_to): Look through default defs of
7391 2006-01-26 Jeff Law <law@redhat.com>
7394 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7395 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7396 within the VR_RANGE, use the VR_RANGE as the result, not the
7398 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7399 bounds for the type.
7401 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7403 * tree-ssa-alias.c (maybe_create_global_var): Change
7404 subvar walking to an assertion that we don't have subvar'd variables.
7406 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7409 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7410 Use a new variable, inner. PARM_DECLs are always non-weak.
7412 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7414 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7417 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7419 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7421 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7423 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7424 (smax_insn, smin_insn, smax_0, smin_0): New.
7426 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7429 * config/cris/cris.c (cris_order_for_addsi3): New function.
7430 * config/cris/cris-protos.h: Prototype it.
7431 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7432 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7433 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7434 (split for "op.S1 [rx=rx+i],ry (swapped)")
7435 (split for "op(s|u).S1 [rx=rx+i],ry")
7436 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7437 Apply cris_order_for_addsi3 when generating addsi3 insns.
7439 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7441 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7442 (TREE_BLOCK): Add call to EXPR_CHECK.
7444 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7447 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7448 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7449 (dump_omp_clauses): ... here.
7450 (dump_generic_node): Handle OMP_CLAUSE.
7451 * tree.c (omp_clause_num_ops): New.
7452 (omp_clause_code_name): New.
7453 (tree_code_size): Handle OMP_CLAUSE.
7454 (tree_size): Likewise.
7455 (make_node): Document handling of OMP_CLAUSE.
7456 (tree_node_structure): Handle OMP_CLAUSE.
7457 (omp_clause_check_failed): New.
7458 (omp_clause_range_check_failed): New.
7459 (omp_clause_operand_check_failed): New.
7460 (build_omp_clause): New.
7461 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7462 * tree.h (enum omp_clause_code): Declare.
7463 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7464 (OMP_CLAUSE_RANGE_CHECK): Define.
7465 (OMP_CLAUSE_ELT_CHECK): Define.
7466 (omp_clause_check_failed): Declare.
7467 (omp_clause_operand_check_failed): Declare.
7468 (omp_clause_range_check_failed): Declare.
7469 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7470 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7471 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7472 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7473 (OMP_CLAUSE_IF_EXPR): Likewise.
7474 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7475 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7476 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7477 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7478 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7479 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7480 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7481 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7482 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7483 (OMP_CLAUSE_CODE): Define.
7484 (OMP_CLAUSE_SET_CODE): Define.
7485 (OMP_CLAUSE_CODE): Define.
7486 (OMP_CLAUSE_OPERAND): Define.
7487 (struct tree_omp_clause): Declare.
7488 (union tree_node): Add field 'omp_clause'.
7489 * treestruct.def (TS_OMP_CLAUSE): Define.
7490 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7491 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7492 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7493 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7494 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7495 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7496 (OMP_CLAUSE): Define.
7497 * print-tree.c (print_node): Handle OMP_CLAUSE.
7498 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7499 * c-typeck.c: Likewise.
7500 * gimplify.c: Likewise.
7501 * c-omp.c: Likewise.
7502 * tree-nested.c: Likewise.
7503 * tree-inline.c: Likewise.
7504 * c-parser.c: Likewise.
7505 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7508 2006-01-25 Roger Sayle <roger@eyesopen.com>
7510 PR rtl-optimization/25703
7511 * combine.c (try_combine): Handle zero_extract and strict_low_part
7512 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7514 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7516 * global.c: Fix comment typos.
7518 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7521 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7522 Use output_addr_const instead of assemble_name.
7524 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7526 * Makefile.in (sched-vis.o): Update dependencies.
7527 * haifa-sched.c (sched_finish): Clear current_sched_info.
7528 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7529 (dump_flow_info): Call it.
7530 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7532 * basic-block.h (dump_bb_info): Declare.
7533 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7534 option, and apply options only for dump files whose TDF_RTL,
7535 TDF_TREE, or TDF_IPA bits match.
7536 * rtl.h: Declare new functions exported from sched-vis.c.
7537 * sched-vis.c: Enable also if scheduling is not used.
7538 (print_value): Print the mode of registers if not inside scheduling.
7539 (print_insn): Make it work outside the scheduler. Beautify the output
7541 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7543 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7545 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7546 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7547 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7548 depending on the value of CONSTANT_POOL_ADDRESS_P.
7549 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7551 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7552 rather than SYMBOL_REF_DECL.
7553 (rtx_constant_pool): Remove const_rtx_sym_htab.
7554 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7555 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7556 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7557 Remove handling of const_rtx_sym_htab.
7558 (find_pool_constant): Delete.
7559 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7560 rather than find_pool_constant.
7561 (get_pool_constant_for_function): Delete.
7562 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7564 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7565 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7566 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7567 (SYMBOL_REF_CONSTANT): New macro.
7568 (get_pool_constant_for_function): Delete.
7569 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7570 rather than SYMBOL_REF_DECL.
7571 (i386_pe_mark_dllimport): Likewise.
7572 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7573 rather than SYMBOL_REF_DECL.
7574 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7575 (machopic_indirect_call_target): Likewise.
7577 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7579 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7581 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7583 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7585 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7587 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7589 2006-01-24 David Daney <ddaney@avtrex.com>
7592 * configure.ac (enable_tls): New enable option.
7593 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7594 * configure: Regenerate.
7595 * doc/install.texi (--enable-tls): Document new option.
7596 (--disable-tls): Ditto.
7598 2006-01-24 Richard Henderson <rth@redehat.com>
7600 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7601 * alias.c (true_dependence): Respect it.
7602 (canon_true_dependence, write_dependence_p): Likewise.
7603 * builtins.c (get_builtin_sync_mem): Set it.
7605 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7607 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7610 2006-01-24 DJ Delorie <dj@redhat.com>
7612 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7613 for storing constants in single-bit bitfields.
7615 2006-01-25 Ben Elliston <bje@au.ibm.com>
7617 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7619 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7622 * tree-ssa-pre.c (phi_translate): Return NULL
7623 for AGGREGATE_TYPE's.
7625 2006-01-24 Zack Weinberg <zackw@panix.com>
7627 * genautomata.c (process_state_for_insn_equiv_partition):
7628 Use xcalloc for insn_arcs_array.
7629 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7630 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7632 2006-01-24 Richard Henderson <rth@redhat.com>
7634 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7637 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7639 PR rtl-optimization/25890
7640 PR rtl-optimization/25905
7641 * combine.c (expand_compound_operation, expand_field_assignment):
7642 Fail if the bitfield's final position is out of bounds.
7644 2006-01-24 Ian Lance Taylor <ian@airs.com>
7647 * cgraphunit.c (cgraph_output_in_order): Don't clear
7648 cgraph_asm_nodes until after asm strings have been output.
7650 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7652 * fix-header.c (read_scan_file): Add new parameter imultilib when
7653 calling register_include_chains.
7655 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7657 * omp-low.c: Update documentation.
7659 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7660 Daniel Berlin <dberlin@dberlin.org>
7664 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7665 return from the function.
7667 2006-01-22 Zack Weinberg <zackw@panix.com>
7669 * rtl.def (match_code): Add second argument.
7670 * genpreds.c (write_extract_subexp): New function.
7671 (write_match_code): Add path argument. Use write_extract_subexp.
7672 (write_predicate_expr): Pass path to write_match_code.
7673 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7674 not perform a mode test.
7675 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7676 a subexpression does not constrain the top-level code set.
7677 * read-rtl.c (read_rtx_variadic): New function.
7678 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7679 * doc/md.texi: Document new notation.
7680 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7681 (cmpsi_operand): ... here, using new notation.
7683 2006-01-22 Zack Weinberg <zackw@panix.com>
7685 * varray.c: Remove GENERATOR_FILE #ifdefs.
7687 2006-01-22 Zack Weinberg <zackw@panix.com>
7689 * genautomata.c (output_reserved_units_table): Emit nothing if
7690 description->query_units_num is zero. Remove extra blank line.
7691 (output_cpu_unit_reservation_p): Short circuit
7692 if description->query_units_num is zero.
7694 2006-01-22 Zack Weinberg <zackw@panix.com>
7696 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7697 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7698 nor any of the random handful of variables that used to be necessary
7699 when this program was linked with rtlanal.o. Prune set of forward
7700 function declarations.
7701 (struct attr_desc): Remove static_p field.
7702 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7703 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7704 (attr_string): Do not read the character one past the length of
7706 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7707 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7708 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7709 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7710 (make_automaton_attrs): New.
7711 (main): Do not call into genautomata. Call local gen_bypass
7712 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7713 Remove special case for insn_alts.
7714 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7715 varray.h (leftover from previous change). Prune set of forward
7716 function declarations. Remove state_alts fields from all
7717 structures. Remove state_alts_table from struct automaton.
7718 Make everything except main static. Do not maintain num_dfa_decls.
7719 Do not maintain state_alts fields of various structures.
7720 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7721 (add_arc): Remove state_alts argument. All callers updated.
7722 (output_reserved_units_table): Emit #ifdef here...
7723 (output_tables): ...not here. Don't generate state_alts tables.
7724 (expand_automata): Don't generate attributes.
7725 (write_automata): Don't generate state_alts functions.
7726 (main): New function.
7727 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7728 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7729 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7730 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7731 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7732 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7733 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7734 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7736 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7737 * genattrtab.h: Delete file.
7738 * Makefile.in (OBJS-common): Add insn-automata.o.
7739 (insn-automata.o): New rule.
7740 (simple_generated_c): Add insn-automata.c.
7741 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7742 (genprogmd): Add automata.
7743 (build/genattrtab): Needs no extra objects nor libraries.
7744 (build/genautomata): Needs build/vec.o and -lm.
7746 2006-01-22 Zack Weinberg <zackw@panix.com>
7748 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7749 (output_dfa_max_issue_rate, locked_states_num): Delete.
7750 (struct automaton): Add locked_states field.
7751 (output_dead_lock_vect): Save number of locked states in
7752 automaton->locked_states. If it is zero, don't print anything.
7753 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7754 (output_internal_dead_lock_func): Only test the dead_lock_vect
7755 for automata that have locked states.
7756 (output_statistics): Always print the number of locked states for
7757 each automaton. Calculate total number of locked states here.
7758 (write_automata): Don't call output_dfa_max_issue_rate.
7759 * genattrtab.c: Define length_unit_log as a const variable.
7760 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7761 max_insn_queue_index const.
7762 * final.c (length_unit_log): Declare const.
7763 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7765 2006-01-22 Zack Weinberg <zackw@panix.com>
7767 * genautomata.c: Include vec.h, not varray.h.
7768 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7769 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7770 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7771 VEC_* macros operating on appropriately typed vectors, or to
7772 malloced arrays when the size is known in advance. Const-ify
7773 many char* variables and function arguments. No functional changes.
7774 * Makefile.in (build/varray.o): Delete rule.
7775 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7776 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7778 2006-01-22 Zack Weinberg <zackw@panix.com>
7780 * gensupport.c: Define get_insn_name and record_insn_name here.
7781 (read_md_rtx): Call record_insn_name as appropriate.
7782 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7783 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7784 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7786 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7787 (BUILD_VARRAY): Delete.
7788 (genprognormal): Rename genprogmd. Fold in all programs from
7789 genprognoprint; also attrtab.
7790 (build/genattrtab): Just mention genautomata.o and varray.o.
7791 Reorganize a bit, add comments to make the categories clearer.
7793 2006-01-22 Zack Weinberg <zackw@panix.com>
7795 * genconditions.c (condition_table, add_condition): Delete.
7796 (write_conditions): Don't emit n_insn_conditions nor
7797 insn_elision_unavailable. Issue the gcc version #ifdef here,
7798 inside the table, with no #else clause ...
7799 (write_header): ...not here.
7800 (write_writer): New function.
7801 (main): Don't initialize condition_table. Use add_c_test.
7803 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7804 files on the command line.
7805 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7806 Return -1 if there is no entry in the table, don't abort.
7807 (add_c_test, traverse_c_tests): New functions.
7808 * gensupport.h (insn_elision_unavailable, insn_conditions)
7809 (n_insn_conditions): Delete declarations.
7810 (add_c_test, traverse_c_tests): Declare.
7811 * read-rtl.c: Include gensupport.h.
7812 (read_conditions): New function.
7813 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7814 (read_rtx_1): If we get EOF when we were looking for an initial
7815 open paren, return 0. Call read_conditions when appropriate.
7816 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7817 dummy-conditions.o. Eliminate references to insn-conditions.o,
7818 or change them to build/gencondmd.o, as appropriate. Remove
7819 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7820 from $(simple_generated_c). For all files remaining in those
7821 two lists, add insn-conditions.md to the generator command line.
7822 Give insn-constants.h/s-constants their own rules. Add rules
7823 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7824 (build/read-rtl.o): Depend on gensupport.h.
7825 (genprognormal): Include preds.
7826 (genprogearly): Rename genprognoprint; only difference is now that
7827 they don't link with $(BUILD_PRINT).
7828 * dummy-conditions.c: Delete.
7830 2006-01-22 Zack Weinberg <zackw@panix.com>
7832 * genextract.c: Don't include insn-config.h. Do include vec.h.
7833 Declare vectors of int, char, and locstr.
7834 (locstr): New typedef.
7835 (struct extraction): Make all array fields into bare pointers.
7836 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7837 (insn_code_number): Delete.
7838 (accum_extract): New struct.
7839 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7840 (gen_insn): Take insn_code_number as an argument. Use an
7841 accum_extract structure instead of loading data directly into
7842 a struct extraction, and having to know how big it might get.
7843 (walk_rtx): Operate entirely on an accum_extract structure.
7844 (print_path): Avoid unnecessary use of printf.
7845 (print_header): New function, split out of main. Distinguish
7846 more carefully between an unrecognizable insn and an insn that
7847 has the code number of a define_expand.
7848 (main): Pass insn_code_number to gen_insn. Call print_header
7849 only after parsing. Avoid unnecessary use of printf.
7850 * Makefile.in (build/vec.o): New rule.
7851 (build/genextract): Depend on build/vec.o.
7852 (build/genextract.o): Don't depend on insn-config.h.
7854 2006-01-22 Zack Weinberg <zackw@panix.com>
7856 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7857 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7858 practical. Eliminate per-generator-program link rules.
7860 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7863 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7864 with a call expr to ...
7865 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7867 2006-01-23 Richard Guenther <rguenther@suse.de>
7869 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7870 before make_edge with conditional EDGE_TRUE_VALUE.
7872 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7873 Jan Hubicka <jh@suse.cz>
7874 Richard Guenther <rguenther@suse.de>
7876 PR rtl-optimization/25654
7877 * cfgexpand.c (aggregate_contains_union_type): New function.
7878 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7879 for structure variables that contain a union type.
7881 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7883 * gengtype.c (new_structure): Return the structure.
7884 (create_option): Add an extra "next" argument.
7885 (create_field): New function.
7886 (adjust_field_rtx_def): Use create_option and create_field.
7887 Remove a now-unnecessary call to find_structure.
7888 (adjust_field_tree_def): Likewise.
7889 (note_yacc_type): Remove an unnecessary call to find_structure.
7890 * gengtype.h (new_structure): Return the structure.
7891 (create_option): Add an extra argument.
7892 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7893 (option): Adjust calls to create_option.
7895 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7897 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7899 2006-01-22 Paul Brook <paul@codesourcery.com>
7900 Peter Barada <peter@the-baradas.com>
7902 * config/m68k/m68k.md: Add Coldfire FPU support.
7903 Define FP mode macro and associated attributes.
7904 Use it for float mode patterns.
7905 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7906 (LIBCALL_VALUE): Use m68k_libcall_value.
7907 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7908 (m68k_function_value): Ditto.
7909 (emit_move_sequence): Ditto.
7910 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7911 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7912 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7913 (MULTILIB_EXCEPTIONS): Ditto.
7914 * config/m68k/m68k.opt: Add mcfv4e.
7915 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7916 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7917 (m68k_output_function_prologue): Save ColdFire FPU registers.
7918 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7919 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7920 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7921 ColdFire FPU registers.
7922 (m68k_libcall_value, m68k_function_value): New functions.
7923 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7924 (LIBCALL_VALUE): Use m68k_libcall_value.
7925 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7926 (MASK_COLDFIRE): Add MASK_CFV4E.
7927 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7928 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7929 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7930 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7931 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7932 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7933 * doc/invoke.tex: Document -mcfv4e on m68k.
7935 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7937 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7940 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7943 * c-opts.c (c_common_handle_option): Don't include
7944 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7945 * doc/invoke.texi (C++ Dialect Options): Document that
7946 -Wnon-virtual-dtor is no longer included in -Wall.
7948 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7950 * gcov.c (print_version), gcov-dump.c (print_version),
7951 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7954 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7956 * df-scan.c (problem_SCAN): Added NULL reset function.
7957 (df_scan_reset_blocks): Added code to call reset block function
7958 (df_bb_refs_delete) Fixed comment.
7959 (df_insn_refs_delete): Made tolerant of deleting non existent info
7960 for dataflow problems that need to be reset.
7961 * df-core.c (df_set_blocks): Ditto.
7962 * df.h (struct df_problem): Added reset_fun.
7963 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7964 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7965 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7966 functions to clear out all references to def-use or use-def chains.
7968 2006-01-21 Ben Elliston <bje@au.ibm.com>
7970 * varasm.c (assemble_real): Initialise data array.
7972 2006-01-20 Paul Brook <paul@codesourcery.com>
7974 Merge from csl-arm-branch.
7975 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7976 * config/arm/arm.md (movdi): Force operands[1] to a register
7977 if we have a non-register source.
7978 (*arm_movdi, *movdf_soft_insn): Require that one of the
7979 operands be a register.
7980 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7981 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7983 2006-01-20 DJ Delorie <dj@redhat.com>
7985 * varasm.c (initialize_constant_valid_p): Allow pointers
7986 initialized from integer constants of lesser precision.
7987 (output_constant): Allow non-int-sized pointer modes to be
7988 initialized from integer constants.
7990 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7993 * cppdefault.h (struct default_include): Add multilib flag.
7994 * cppdefault.c (cpp_include_defaults): Set it.
7995 * c.opt (-imultilib): New option.
7996 * c-opts.c (imultilib): New.
7997 (c_common_handle_option): Handle -imultilib.
7998 (c_common_post_options): Likewise.
7999 * c-incpath.c (add_standard_paths, register_include_chains):
8001 * c-incpath.h (register_include_chains): Add extra parameter.
8002 * gcc.c (do_spec_1): Generate -imultilib option.
8003 (The Specs Language): Update %I description.
8004 (process_command): Update copyright notice.
8005 * doc/cppopts.texi (-imultilib): Document.
8006 * doc/invoke.texi (-imultilib): Include in option summary.
8007 (%I): Update specs documentation.
8009 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8011 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8013 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8015 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8018 2006-01-20 Richard Guenther <rguenther@suse.de>
8019 Steven Bosscher <stevenb.gcc@gmail.com>
8021 PR rtl-optimization/24626
8022 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8023 EDGE_TRUE_VALUE if in RTL mode.
8026 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8027 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8029 2006-01-20 Dirk Mueller <dmueller@suse.com>
8032 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8033 instead of a special NOP marker.
8034 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8035 NOP marker handling.
8036 * c-common.h (empty_body_warning): Add forward declaration.
8037 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8038 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8040 2006-01-20 Paul Brook <paul@codesourcery.com>
8042 * Makefile.in (lang_checks): Keep going if mkdir fails.
8044 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8046 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8047 be able to clean out basic block when not necessary.
8048 (df_scan_free): Fixed to properly delete information if df is
8049 unused before calling df_finish.
8050 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8051 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8053 (df_bb_refs_delete): New function.
8054 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8055 * df-core.c (df_set_blocks): Added code to properly clean out
8056 unused blocks if they are not part of the blocks to consider.
8057 Added additional null check.
8058 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8059 be able to clean out basic block when not necessary
8060 * df.h (df_free_bb_function): Ditto.
8061 (df_bb_refs_delete): New function.
8062 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8063 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8064 basic block parameter to be able to clean out basic block when not
8066 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8067 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8068 Fixed to properly delete information if df is unused before
8071 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8073 PR rtl-optimization/25799
8074 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8075 Corrected confluence operator to remove bits from op2 before oring
8076 with op1 rather than removing bits from op1.
8077 (df_ru_transfer_function): Corrected test on wrong bitmap which
8078 caused infinite loop. Both of these problems were introduced in
8079 the dataflow rewrite.
8081 2006-01-19 DJ Delorie <dj@redhat.com>
8083 * reload1.c (find_reload_regs): Note the details of reload
8084 failures in the dump file.
8085 (spill_failure): Likewise.
8087 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8089 * loop-iv.c: Include df.h and hashtab.h.
8090 (enum iv_grd_result): New enum.
8091 (DF_REF_IV, DF_REF_IV_SET): New macros.
8092 (struct biv_entry): New.
8093 (df, bivs): New global variables.
8094 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8095 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8097 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8098 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8099 analyzed_for_bivness_p, record_biv): New functions.
8100 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8101 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8102 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8104 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8106 (iv_number_of_iterations): Use new interface to iv analysis.
8107 * loop-unroll.c: Do not include varray.h.
8108 (analyze_iv_to_split_insn): Use new interface to iv
8110 * loop-unswitch.c (may_unswitch_on): Ditto.
8111 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8113 (df_bb_modify): Realloc tables to the new index.
8114 (df_find_use): New function.
8115 * df.h (df_find_use): Declare.
8116 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8118 * cfgloop.h (struct rtx_iv): Remove analysed field.
8119 (iv_get_reaching_def): Removed.
8120 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8121 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8122 (loop-iv.o): Add df.h and hashtab.h dependency.
8123 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8125 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8128 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8130 (__floatundisf, __floatundidf): Likewise.
8131 * libgcc2.h (IS_IBM_EXTENDED): Define.
8133 2006-01-19 DJ Delorie <dj@redhat.com>
8135 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8137 2006-01-19 Paul Brook <paul@codesourcery.com>
8139 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8140 as nothrow when unwinding tables are disabled.
8142 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8145 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8146 of bit-field" when in system header.
8148 2006-01-19 DJ Delorie <dj@redhat.com>
8150 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8151 the 16 bit shift limit of the m16c.
8153 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8156 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8157 * config/i386/i386.c (output_set_got): Output the label if we have one
8158 for the TARGET_DEEP_BRANCH_PREDICTION case.
8160 2006-01-19 Jan Hubicka <jh@suse.cz>
8161 H.J. Lu <hongjiu.lu@intel.com>
8162 Evandro Menezes <evandro.menezes@amd.com>
8164 * invoke.texi (generic): Document
8166 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8167 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8168 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8169 (x86_use_incdec, x86_pad_returns): New variables
8170 (TARGET_CPU_DEFAULT_generic): New constant
8171 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8172 (enum processor_type): Add generic32 and generic64.
8173 * i386.md (cpu attribute): Add generic32/generic64
8174 (movhi splitter): Behave sanely when both partial_reg_dependency and
8175 partial_reg_stall are set.
8176 (K8 splitters): Enable for generic as well.
8177 * predicates.md (incdec_operand): Use TARGET_INCDEC
8178 (aligned_operand): Avoid memory mismatch stalls.
8179 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8180 * ppro.md: Enable for generic32
8181 * i386.c (generic64_cost, generic32_cost): New.
8182 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8183 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8184 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8185 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8186 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8187 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8188 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8189 x86_accumulate_outgoing_args, x86_prologue_using_move,
8190 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8191 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8193 (x86_use_incdec, x86_pad_returns): New.
8194 (override_options): Add generic32 and generic64, translate "generic"
8195 to generic32/generic64 and "i686" to "generic32", refuse
8196 "generic32"/"generic64" as arch target.
8197 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8198 (ix86_reorg): Honor PAD_RETURNS.
8200 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8202 * tree-pretty-print.c (dump_generic_node): Handle
8203 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8204 * cgraph.c (cgraph_expand_queue): Rename from
8205 cgraph_analyze_queue. Update all users.
8206 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8207 cgraph_expand_queue.
8208 (cgraph_expand_all_functions): Likewise.
8209 (cgraph_finalize_pending_functions): Remove. Update callers.
8211 * tree.h (OMP_DIRECTIVE_P): Define.
8212 (OMP_PARALLEL_FN): Define.
8213 (OMP_PARALLEL_DATA_ARG): Define.
8214 (OMP_SECTIONS_SECTIONS): Define.
8215 * tree-pass.h (pass_expand_omp): Declare.
8216 * omp-low.c (struct omp_region): Declare.
8217 (struct omp_context): Remove fields 'parallel_type',
8218 'parallel_start_ix' and 'parallel_start_additional_args'.
8220 (struct omp_for_data): Rename from struct expand_omp_for_data.
8221 (omp_regions): New static variable.
8222 (root_omp_region): New static variable.
8223 (find_omp_clause): Make static.
8224 (is_in_combined_parallel_ctx): Remove.
8225 (is_combined_parallel): New.
8226 (extract_omp_for_data): Move earlier in the file.
8227 (workshare_safe_to_combine_p): New.
8228 (get_ws_args_for): New.
8229 (determine_parallel_type): Move earlier in the file.
8230 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8232 (omp_copy_decl): Likewise.
8233 (create_omp_child_function): Likewise.
8234 (lookup_omp_region): New.
8235 (dump_omp_region): New.
8236 (debug_omp_region): New.
8237 (debug_all_omp_regions): New.
8238 (new_omp_region): New.
8239 (scan_omp_parallel): If parallel_nesting_level > 1, the
8240 directive is nested within another parallel directive.
8241 Set OMP_PARALLEL_FN.
8242 (scan_omp_for): Do not try to handle combined parallel+for
8244 Remove FIXME comment.
8245 (scan_omp_nested): Remove.
8246 (scan_omp_1): Do not call scan_omp_nested when
8247 parallel_nesting_level is > 1.
8248 Do not change the DECL_CONTEXT of local variables found.
8249 (lookup_decl_in_outer_ctx): New.
8250 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8251 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8252 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8253 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8254 If CTX is nested, lookup VAR in the outer context when
8255 building copy assignment.
8256 (lower_send_clauses): Rename from expand_send_clauses.
8257 If CTX is nested, lookup VAR in the outer context when
8258 building copy assignments.
8259 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8260 If CTX is nested, lookup VAR in the outer context when
8261 building copy assignments.
8262 (expand_parallel_call): Rename from build_parallel_call.
8263 Handle combined parallel+workshare cases.
8264 Re-implement to emit code into the CFG.
8266 (expand_omp_parallel): Re-implement to emit code into the CFG.
8267 Call move_sese_region_to_fn to outline the sub-graph
8268 containing the parallel region.
8269 (expand_omp_for_1): Remove.
8270 (expand_omp_for_generic): Re-implement to emit code into the
8272 (expand_omp_for_static_nochunk): Likewise.
8273 (expand_omp_for_static_chunk): Likewise.
8274 (expand_omp_for): Likewise.
8275 (expand_omp_sections): Likewise.
8276 (remove_exit_barriers): New.
8277 (expand_omp_synch): New.
8279 (build_omp_regions_1): New.
8280 (build_omp_regions): New.
8281 (execute_expand_omp): New.
8282 (gate_expand_omp): New.
8283 (pass_expand_omp): Define.
8284 (lower_omp_sections): Rename from expand_omp_sections.
8285 Set OMP_SECTIONS_SECTIONS.
8286 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8287 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8288 (lower_omp_single): Rename from expand_omp_simple.
8289 (lower_omp_master): Rename from expand_omp_master.
8290 (lower_omp_ordered): Rename from expand_omp_ordered.
8291 (lower_omp_critical): Rename from expand_omp_critical.
8292 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8293 (lower_omp_for): Re-implement.
8294 (lower_omp_parallel): Re-implement.
8295 (lower_regimplify): Rename from expand_regimplify.
8296 (lower_omp_1): Rename from expand_omp_1.
8297 If there are syntax errors in the program, replace every
8298 OpenMP directive with NOP.
8299 Call lower_omp_* instead of expand_omp_*.
8300 (lower_omp): Rename from expand_omp.
8302 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8303 * tree-gimple.h (enum omp_parallel_type): Remove.
8304 (gimple_boolify): Declare extern.
8305 (find_omp_clause, determine_parallel_type): Remove.
8307 * gimple-low.c (lower_omp_directive): New.
8308 (lower_stmt): Call it.
8309 (record_vars_into): Move from ...
8310 (record_vars): ... here.
8311 Call record_vars_into with current_function_decl.
8313 * gimplify.c (struct gimplify_ctx): Remove fields
8314 combined_pre_p and combined_ctxp. Update users.
8315 (get_formal_tmp_var): Add documentation.
8316 (gimple_boolify): Make extern.
8317 (gimplify_expr_in_ctx): Remove. Update callers.
8318 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8319 will always be a BIND_EXPR.
8320 (gimplify_expr): Handle OMP_RETURN_EXPR.
8321 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8322 (OMP_PARALLEL): Add 3 operands.
8323 (OMP_SECTIONS): Add 1 operand.
8324 (OMP_RETURN_EXPR): Define.
8326 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8327 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8328 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8329 creating a circular free list.
8330 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8332 * tree-flow.h (move_sese_region_to_fn): Declare.
8333 (record_vars_into): Declare.
8334 * tree-cfg.c (make_omp_sections_edges): New.
8335 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8336 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8337 OMP_SECTIONS and OMP_SECTION.
8338 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8339 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8340 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8341 (gather_blocks_in_sese_region): New.
8342 (struct move_stmt_d): Declare.
8344 (move_block_to_fn): New.
8345 (move_sese_region_to_fn): New.
8347 * passes.c (init_optimization_passes): Schedule
8348 pass_expand_omp after pass_init_datastructures.
8350 * tree-ssa-operands.c (get_expr_operands): Handle
8351 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8352 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8354 2006-01-19 Jeff Law <law@redhat.com>
8356 * tree-vrp.c (extract_range_from_assert): Refine the result range
8357 if the variable referenced by the ASSERT_EXPR has a range and
8358 either the tentative result range or the previous range is a
8361 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8363 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8365 2006-01-19 Jan Hubicka <jh@suse.cz>
8367 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8369 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8371 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8372 (expand_compound_operation, expand_field_assignment): Fail if the
8373 bit lengths of an extract operation are out of range.
8374 (make_extraction): Compute wanted_inner_mode based on the position
8375 and length of the extraction. Make it extraction_mode for non-constant
8376 positions, and do not modify offset in that case. When generating a
8377 new MEM, use a mode that can hold the extraction while keeping correct
8378 alignment. Remove code that supported MEMs wrapped by USEs.
8379 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8381 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8383 * config/s390/s390.md ("Y", "y"): New mode attribute.
8384 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8385 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8386 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8387 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8388 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8389 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8390 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8391 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8392 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8393 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8394 "addsi3", "subsi3"): Insn patterns removed.
8395 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8396 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8397 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8398 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8399 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8400 "*sub<mode>3_cconly2"): New insn patterns.
8401 ("addsi3", "subsi3"): New expanders.
8403 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8405 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8406 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8407 existing STMT_VINFO_VECTYPE if available.
8408 (vect_mark_relevant): Add special handling for stmts that are
8409 marked as STMT_VINFO_IN_PATTERN_P.
8410 (vect_analyze_loop): Call vect_pattern_recog.
8411 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8412 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8414 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8415 (vect_recog_func_ptr): New function-pointer type.
8416 * tree-vect-patterns.c: New file.
8417 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8418 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8419 (vect_pattern_recog_1): New functions.
8420 (vect_pattern_recog_funcs): New array of function pointers.
8422 * tree-vectorizer.h (ternary_op): New enum value.
8423 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8424 declaration. Revised documentation. Removed redundant dump prints.
8425 Removed redundant argument. Added support for reduction patterns.
8426 (vectorizable_reduction): Added support for reduction patterns.
8427 (vect_transform_stmt): Added support for patterns.
8429 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8430 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8431 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8432 (expand_widen_pattern_expr): New function.
8433 (init_optabs): Initialize new optabs udot_prod_optab,
8435 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8436 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8437 (expand_widen_pattern_expr): New function declaration.
8438 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8440 * tree-inline.c (estimate_num_insns_1): Added cases for new
8441 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8442 * tree-pretty-print.c (dump_generic_node): Likewise.
8443 (op_prio): Likewise.
8444 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8445 * tree-ssa-operands.c (get_expr_operands): Added case for
8447 * tree-vect-patterns.c (widened_name_p): New function.
8448 (vect_recog_dot_prod_pattern): Added function implementation.
8449 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8450 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8451 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8452 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8454 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8455 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8456 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8457 (init_optabs): Initialize new optabs widen_ssum_optab,
8459 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8460 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8461 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8462 use instead of type of def.
8463 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8464 function implementation.
8465 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8466 widen_ssumv8hi): New.
8468 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8471 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8474 * c-decl.c (add_flexible_array_elts_to_size): New function.
8475 (finish_decl): Use it.
8477 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8479 * diagnostic.h: Include options.h.
8480 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8481 dependancies for diagnostic.h.
8482 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8484 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8486 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8487 (ssa_ro_call_cache_valid): Ditto.
8488 * tree-ssa-alias.c (sort_tags_by_id): New function.
8489 (init_transitive_clobber_worklist): Ditto.
8490 (add_to_worklist): Ditto.
8491 (mark_aliases_call_clobbered): Ditto.
8492 (compute_tag_properties): Ditto.
8493 (set_initial_properties): Ditto.
8494 (compute_call_clobbered): Ditto.
8495 (compute_may_aliases): Call compute_call_clobbered and grouping.
8496 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8497 (compute_flow_insensitive_aliasing): Grouping now happens in our
8499 (setup_pointers_and_addressables): Remove clobbering related code.
8500 (add_may_alias): Ditto.
8501 (replace_may_alias): Ditto.
8502 (get_nmt_for): Ditto.
8503 (create_global_var):
8504 (is_escape_site): Return an escape_type enumeration.
8505 * tree-flow-inline.h (is_call_clobbered): Global var does not
8506 imply call clobbered.
8507 (mark_call_clobbered): Take a reason for marking this. Remove
8508 marking of globalness, and cache invalidation.
8509 (clear_call_clobbered): Remove cache invalidation code.
8510 * tree-dfa.c (dump_variable): If details is on, dump the reason
8512 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8514 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8515 (struct var_ann_d): Ditto.
8516 (enum escape_type): New.
8517 (mark_call_clobbered): Adjust prototype.
8518 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8519 are never call clobbered.
8520 Record reasons for escaping.
8521 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8522 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8523 (ssa_ro_call_cache_valid): Ditto.
8524 (clobbered_v_may_defs): Ditto.
8525 (clobbered_vuses): Ditto.
8526 (ro_call_vuses): Ditto.
8527 (clobber_stats): New.
8528 (init_ssa_operands): Zero out clobber stats.
8529 (fini_ssa_operands): Print out clobber stats.
8530 (get_call_expr_operands): Pass callee fndecl to
8532 (add_call_clobber_ops): Remove use of cache.
8533 Add use of PURE_CONST information.
8534 (add_call_read_ops): Remove use of cache.
8535 Add use of static not_read information.
8537 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8539 Introduce TLS descriptors for i386 and x86_64.
8540 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8541 (TARGET_ANY_GNU_TLS): New macro.
8542 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8543 (struct machine_function): Add tls_descriptor_call_expanded_p.
8544 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8545 (ix86_current_function_calls_tls_descriptor): Likewise.
8546 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8547 (override_options): Introduce gnu2 tls dialect.
8548 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8550 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8552 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8553 (ix86_init_machine_status): Initialize new field.
8554 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8555 (ix86_tls_module_base): New.
8556 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8557 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8558 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8559 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8560 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8561 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8562 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8563 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8564 * config/i386/predicates.md (tls_modbase_operand): New.
8565 (tp_or_register_operand): New.
8567 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8569 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8570 (look_for_address_of): Ditto.
8571 (ipa_init): Walk the function decls.
8572 (static_execute): Don't set readonly on FUNCTION_DECL's.
8574 2006-01-18 Roger Sayle <roger@eyesopen.com>
8576 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8577 for shifts where the source and destination registers are different.
8579 2006-01-18 Paul Brook <paul@codesourcery.com>
8581 Merge from csl-arm-branch.
8582 2005-03-14 Julian Brown <julian@codesourcery.com>
8583 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8584 (aeabi_llsl): Likewise.
8585 (ashrdi3): Likewise.
8586 (aeabi_lasr): Likewise.
8587 (lshrdi3): Likewise.
8588 (aeabi_llsr): Likewise.
8589 2005-03-10 Julian Brown <julian@codesourcery.com>
8590 * config.gcc: Disable shared libgcc for SymbianOS.
8591 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8593 2006-01-18 DJ Delorie <dj@redhat.com>
8595 * c-pragma.c (handle_pragma_diagnostic): New.
8596 (init_pragma): Register it.
8597 * doc/extend.texi: Document it.
8599 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8600 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8601 (diagnostic_context): Add classify_diagnostic[].
8602 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8603 as errors if they're overridden to DK_WARNING.
8604 (diagnostic_initialize): Initialize classify_diagnostic[].
8605 (diagnostic_set_kind_override): New.
8606 (diagnostic_report_diagnostic): Check for kind changes.
8607 * opts.c (common_handle_option): Take lang_mask. Update callers.
8609 * common.opt (Werror=): New.
8610 * doc/invoke.texi: Document -Werror=*
8612 2006-01-18 Jeff Law <law@redhat.com>
8614 * tree-vrp.c (test_for_singularity): Correct test for new
8615 min limit. Use operand_equal_p rather than pointer equality
8616 for testing if new min/max values are equal.
8618 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8619 using range information until after propagation and folding.
8621 2006-01-18 Richard Henderson <rth@redhat.com>
8622 Aldy Hernandez <aldyh@redhat.com>
8623 Jakub Jelinek <jakub@redhat.com>
8624 Diego Novillo <dnovillo@redhat.com>
8626 * omp-low.c: New file.
8627 * c-omp.c: New file.
8629 2006-01-18 Richard Henderson <rth@redhat.com>
8630 Jakub Jelinek <jakub@redhat.com>
8631 Diego Novillo <dnovillo@redhat.com>
8633 * doc/invoke.texi: Document -fopenmp.
8634 * tree-dump.h (debug_function): Declare.
8635 * hooks.c (hook_bool_tree_bool_false): New function.
8636 (hook_tree_tree_null): Remove.
8637 (hook_tree_tree_tree_null): New.
8638 * hooks.h: Update to match.
8639 * tree-pretty-print.c (debug_tree_chain): New.
8640 (print_generic_expr): Handle TDF_CHAIN.
8641 (dump_generic_node): Handle BLOCK.
8642 Do not abort with incomplete SWITCH_EXPRs.
8643 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8644 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8645 print space after directive name.
8646 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8647 Handle OMP_MASTER and OMP_ORDERED.
8648 Handle printing of OMP_BODY just in one place, goto
8649 dump_omp_body in the rest of OMP_* nodes that have
8651 Don't handle clause nodes here. Update omp statements to
8652 use dump_omp_clauses.
8653 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8654 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8655 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8656 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8657 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8658 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8659 Adjust output for GOMP_PARALLEL.
8660 (dump_omp_clauses): New.
8661 (print_declaration): Dump DECL_VALUE_EXPR.
8662 (op_symbol_1): Split out of op_symbol.
8663 (dumping_stmts): Remove. Update all users.
8664 * cgraph.c (cgraph_analyze_queue): New.
8665 (cgraph_add_new_function): New.
8666 * cgraph.h (cgraph_analyze_queue): Declare.
8667 (cgraph_add_new_function): Declare.
8668 (cgraph_lower_function): Remove.
8669 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8670 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8671 and TYPE_P nodes in its default clause.
8672 (empty_body_p): New.
8673 (tree_range_check_failed): New.
8675 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8676 OMP_CLAUSE_REDUCTION_MERGE,
8677 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8678 OMP_CLAUSE_PRIVATE_DEBUG,
8679 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8680 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8681 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8682 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8683 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8684 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8685 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8686 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8687 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8688 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8689 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8690 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8691 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8692 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8693 (TREE_RANGE_CHECK): New.
8694 (empty_body_p): Declare.
8695 (enum omp_clause_default_kind): New.
8696 (build_string_literal): Declare.
8697 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8698 (build5_stat, build5): Declare.
8699 * tree-pass.h (TDF_CHAIN): Define.
8700 * tree-pass.h (PROP_gimple_lomp): Define.
8701 (pass_lower_omp): Declare.
8702 * diagnostic.h (debug_tree_chain): Declare.
8703 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8705 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8706 * builtins.c (build_string_literal): Make extern.
8707 * gcc.c (include_spec_function): New.
8708 (static_spec_functions): Add it.
8709 (main): Move load of libgomp.spec ...
8710 (LINK_COMMAND_SPEC): ... here.
8711 (link_gomp_spec): New.
8712 (static_specs): Include it.
8713 (LINK_COMMAND_SPEC): Add link_gomp.
8714 (GOMP_SELF_SPECS): New.
8715 (driver_self_specs): Include it.
8716 (switch_matches): Don't mark inline.
8717 (main): Load libgomp.spec.
8718 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8719 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8720 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8721 * tree-gimple.h (enum omp_parallel): Declare.
8722 (determine_parallel_type): Declare.
8723 (omp_firstprivatize_variable): Declare.
8724 (omp_reduction_init): Declare.
8725 (diagnose_omp_structured_block_errors): Declare.
8726 (struct walk_stmt_info): Add want_return_expr.
8727 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8728 (find_omp_clause): Declare.
8729 (insert_field_into_struct): Declare.
8730 (struct walk_stmt_info): Move from tree-nested.c
8731 (walk_stmts): Declare.
8732 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8734 * cgraphunit.c (cgraph_lower_function): Make static.
8735 (cgraph_finalize_pending_functions): New.
8736 (cgraph_finalize_function): Call it.
8737 (cgraph_finalize_compilation_unit): Likewise.
8738 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8739 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8740 (BT_FN_UINT_UINT): New.
8741 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8742 DEF_FUNCTION_TYPE_VAR_4): Document.
8743 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8744 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8745 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8746 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8747 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8748 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8749 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8750 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8751 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8752 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8753 into separate files.
8754 (DEF_GOMP_BUILTIN): New.
8755 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8756 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8757 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8758 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8759 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8760 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8761 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8762 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8763 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8764 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8765 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8766 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8767 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8768 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8769 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8770 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8771 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8772 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8773 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8774 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8775 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8776 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8777 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8778 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8779 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8780 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8781 * sync-builtins.def: New file, moved from builtins.def.
8782 * omp-builtins.def: New file, moved from builtins.def.
8783 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8784 * gimple-low.c (lower_function_body): Clear data.
8785 (lower_stmt): Do not handle COMPOUND_EXPR.
8786 Remove call to print_node_brief.
8787 * c-tree.h (c_finish_omp_clauses): New prototype.
8788 (C_DECL_THREADPRIVATE_P): Define.
8789 (lookup_name_no_remap, c_omp_remap_private): Remove
8790 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8791 (check_for_loop_decls): Update decl.
8792 (lookup_name_no_remap, c_omp_remap_private): Declare.
8793 (build_indirect_ref, build_modify_expr, pushdecl,
8794 pushdecl_top_level): Move to c-common.h.
8795 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8796 before the switch, but just in the 2 places that need it.
8797 * c-decl.c (diagnose_mismatched_decls): Do not check for
8798 mismatched thread-local attributes when OLDDECL is marked
8799 threadprivate and NEWDECL has no thread-local attributes.
8800 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8801 (c_gimple_diagnostics_recursively): Rename from
8802 c_warn_unused_result_recursively. Invoke
8803 diagnose_omp_structured_block_errors.
8804 (check_for_loop_decls): Return a singular decl found.
8805 * langhooks.c (lhd_omp_predetermined_sharing): Return
8806 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8807 (lhd_omp_firstprivatize_type_sizes): New.
8808 (lhd_omp_assignment): New.
8809 (lhd_omp_predetermined_sharing): New.
8810 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8811 (struct lang_hooks_for_types): Add
8812 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8813 omp_predetermined_sharing, omp_disregard_value_expr,
8814 omp_private_debug_clause, omp_clause_default_ctor,
8815 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8816 (c_finish_omp_clauses): New.
8817 (c_finish_bc_stmt): Diagnose break within omp for.
8818 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8819 (build_unary_op): Return error_mark after reporting
8821 (build_modify_expr): Likewise.
8822 * gimplify.c: Include optabs.h and pointer-set.h.
8823 (enum gimplify_omp_var_data): Declare.
8824 (struct gimplify_omp_ctx): Declare.
8825 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8827 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8828 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8829 (splay_tree_compare_decl_uid): New.
8830 (new_omp_context): New.
8831 (delete_omp_context): New.
8832 (gimple_add_tmp_var): Call omp_add_variable.
8833 (gimplify_bind_expr): Likewise.
8834 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8835 true, disregard DECL_VALUE_EXPR on the decl if any.
8836 (gimplify_expr_in_ctx): New.
8837 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8838 omp_add_variable, omp_notice_variable, omp_is_private
8839 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8840 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8841 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8842 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8843 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8844 gimplify_omp_atomic): New.
8845 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8846 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8847 OMP_CRITICAL and OMP_ATOMIC.
8848 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8849 * c-pragma.h (enum pragma_kind): Add
8850 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8851 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8852 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8853 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8854 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8855 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8856 PRAGMA_OMP_THREADPRIVATE.
8857 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8858 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8859 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8860 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8861 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8862 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8863 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8864 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8865 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8866 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8867 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8868 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8869 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8871 (struct nesting_info): Add field_map,
8872 suppress_expansion, debug_var_chain.
8873 (create_nesting_tree): Initialize them.
8874 (lookup_field_for_decl): Use field_map.
8875 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8876 (convert_local_omp_clauses): New.
8877 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8878 (walk_body): Split out of walk_function.
8879 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8880 (convert_nonlocal_reference): Handle omp statements.
8881 (convert_local_reference): Likewise.
8882 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8883 (unnest_nesting_tree): New.
8884 (lower_nested_functions): Call it.
8885 (insert_field_into_struct): Make extern.
8886 (struct walk_stmt_info): Move to tree-gimple.h.
8887 (walk_stmts): Make extern.
8888 * omp-builtins.def: New file.
8889 * tree-iterator.c (expr_only): Clarify comment.
8890 * c-common.h (pushdecl_top_level, pushdecl,
8891 build_modify_expr, build_indirect_ref,
8892 c_finish_omp_master, c_finish_omp_critical,
8893 c_finish_omp_ordered, c_finish_omp_barrier,
8894 c_finish_omp_atomic, c_finish_omp_flush,
8895 c_finish_omp_for, c_split_parallel_clauses,
8896 omp_clause_default_kind, c_omp_sharing_predetermined,
8897 c_omp_remap_decl): Declare.
8898 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8899 (OBJS-common): Add omp-low.o.
8900 (c-omp.o, omp-low.o): Add.
8901 (gimplify.o): Add dependency on $(OPTABS_H).
8902 (GTFILES): Add omp-low.c.
8903 (gt-stringpool.h): Add.
8904 * tree-cfg.c (set_bb_for_stmt): Do not update the
8905 block-to-labels map if we are currently expanding to RTL.
8906 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8908 Handle IDENTIFIER_NODE.
8909 (tree_verify_flow_info): Do not ICE when emitting error
8910 messages about invalid labels.
8911 (dump_function_to_file): Reset CFUN before emitting the body
8913 (debug_function): New.
8914 * passes.c (init_optimization_passes): Schedule
8916 * langhooks-def.h (lhd_omp_predetermined_sharing,
8917 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8919 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8920 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8921 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8922 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8923 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8924 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8925 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8926 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8927 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8928 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8929 (LANG_HOOK_DECLS): Use them.
8931 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8932 Richard Henderson <rth@redhat.com>
8933 Jakub Jelinek <jakub@redhat.com>
8934 Diego Novillo <dnovillo@redhat.com>
8936 * c-parser.c (pragma_omp_clause): Define.
8937 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8938 (c_parser_compound_statement): Likewise.
8939 (c_parser_statement): Likewise.
8940 (c_parser_pragma): Handle omp pragmas.
8941 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8942 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8943 (c_parser_omp_clause_name, check_no_duplicate_clause,
8944 c_parser_omp_variable_list,
8945 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8946 c_parser_omp_clause_copyprivate,
8947 c_parser_omp_clause_default,
8948 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8949 c_parser_omp_clause_lastprivate,
8950 c_parser_omp_clause_nowait,
8951 c_parser_omp_clause_num_threads,
8952 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8953 c_parser_omp_clause_reduction,
8954 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8955 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8956 c_parser_omp_atomic, c_parser_omp_barrier,
8957 c_parser_omp_critical, c_parser_omp_flush,
8958 c_parser_omp_for_loop, c_parser_omp_for,
8959 c_parser_omp_master, c_parser_omp_ordered,
8960 c_parser_omp_sections_scope, c_parser_omp_sections,
8961 c_parser_omp_parallel, c_parser_omp_single,
8962 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8963 * c-pragma.c (init_pragma): Do omp pragma registration here.
8964 * c.opt (fopenmp): New flag.
8966 2006-01-18 Eric Christopher <echristo@apple.com>
8968 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8969 * config/darwin.h (GOMP_SELF_SPECS): Define.
8971 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8973 * rtl.h: Remove the prototype for reg_alloc.
8975 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8978 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8979 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8980 sjlj and dwarf2 exception handling.
8981 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8982 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8983 * pa/pa.c (function_value): Treat complex and vector types as
8985 (function_arg): Likewise. Only pass scalar floats in the floating
8986 point argument registers.
8987 * pa/t-slibgcc-dwarf-ver: New file.
8988 * pa/t-slibgcc-sjlj-ver: New file.
8989 * pa/t-slibgcc-elf-ver: Delete file.
8991 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8993 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8994 unlikely_test_section_p test.
8996 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8998 * mode-switching.c (optimize_mode_switching): Make it static.
8999 * basic-block.h: Remove the prototype for
9000 optimize_mode_switching.
9002 * modulo-sched.c (sms_schedule): Make it static.
9003 * rtl.h: Remove the prototype for sms_schedule.
9005 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9006 * rtl.h: Remove the prototype for gcse_after_reload_main.
9008 * reg-stack.c (reg_to_stack): Make it static.
9009 * rtl.h: Remove the prototype for reg_to_stack.
9011 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9013 * rtl.h: Remove the prototypes for regrename_optimize and
9014 copyprop_hardreg_forward.
9016 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9018 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9019 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9020 Test against the appropriate null constant for the mode.
9021 If 'fixup_overlap' is true, swap the operands if they overlap.
9022 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9023 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9024 alpha_split_tmode_pair and adjust for above change.
9025 * config/alpha/alpha.md (movtf_internal): Adjust call to
9026 alpha_split_tfmode_pair and rely on it to swap the operands.
9027 (movti_internal): New insn and post-reload splitter.
9028 (movti): New expander.
9030 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9032 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9035 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9037 * rtlanal.c (global_reg_mentioned_p_1,
9038 global_reg_mentioned_p): Remove.
9039 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9041 * flow.c (initialize_uninitialized_subregs): Make it static.
9042 * rtl.h: Remove the prototype for
9043 initialize_uninitialized_subregs.
9045 * function.c (instantiate_virtual_regs): Make it static.
9046 * function.h: Remove the prototype for
9047 instantiate_virtual_regs.
9049 * regmove.c (regmove_optimize, combine_stack_adjustments):
9051 * rtl.h: Remove the prototypes for regmove_optimize and
9052 combine_stack_adjustments.
9054 2006-01-17 Roger Sayle <roger@eyesopen.com>
9056 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9057 (size_cost): Encode costs in bytes so that a reg-reg addition is
9058 equivalent to COSTS_N_INSNS(1).
9059 (override_options): Use the size_cost.branch_cost as the default
9060 ix86_branch_cost when optimizing for size.
9062 2006-01-18 Ben Elliston <bje@au.ibm.com>
9064 * Makefile.in (D32PBIT_FUNCS): New.
9065 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9066 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9067 D64PBIT_FUNCS and D128PBIT_FUNCS.
9068 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9069 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9071 (decnumber_dep): Define.
9072 * doc/libgcc.texi (Decimal float library routines): New node.
9073 * config/dfp-bit.h, config/dfp-bit.c: New files.
9075 2006-01-18 Ben Elliston <bje@au.ibm.com>
9077 * expr.c (emit_move_change_mode): Always adjust addresses, not
9078 just during reload. Copy replacements only during reload.
9079 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9080 emit_move_via_integer.
9082 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9084 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9085 instead of $(srcdir) and ${srcdir}.
9087 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9091 * arm.h (struct machine_function): Add pic_reg.
9092 * arm.c (arm_pic_register): Make unsigned.
9093 (arm_override_options): Only set arm_pic_register if
9094 TARGET_SINGLE_PIC_BASE.
9095 (use_return_insn): Only test for a pic register if it is fixed.
9096 (arm_compute_save_reg0_reg12_mask): Likewise.
9097 (thumb_compute_save_reg_mask): Likewise.
9098 (legitimate_pic_operand): Factor out some known invariants.
9099 (legitimize_pic_address): If we don't have a fixed pic register,
9100 then set up a pseudo in the function entry sequence. Handle the
9101 pic base being in a pseudo.
9102 (arm_load_pic_register): Handle the pic register being in a pseudo.
9103 (arm_expand_prologue): Only set up the pic register if it is fixed.
9104 (thumb_expand_prologue): Likewise.
9105 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9106 (pic_load_addr_based_insn): Likewise.
9107 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9110 2006-01-18 Ben Elliston <bje@au.ibm.com>
9112 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9113 decimal float modes for all floating point registers.
9115 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9116 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9118 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9121 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9122 even when the pointer is not NULL.
9124 2006-01-16 Ian Lance Taylor <ian@airs.com>
9126 * common.opt (ftoplevel-reorder): New option.
9127 * cgraph.c (cgraph_asm_nodes): New global variable.
9128 (cgraph_asm_last_node): New static variable.
9129 (cgraph_order): New global variable.
9130 (cgraph_create_node): Set new order field.
9131 (cgraph_varpool_node): Likewise.
9132 (decide_is_variable_needed): Return true if not
9133 flag_toplevel_reorder.
9134 (cgraph_add_asm_node): New function.
9135 * cgraph.h (struct cgraph_node): Add order field.
9136 (struct cgraph_varpool_node): Add order field.
9137 (struct cgraph_asm_node): Define.
9138 (cgraph_asm_nodes, cgraph_order): Declare.
9139 (cgraph_add_asm_node): Declare.
9140 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9142 (cgraph_varpool_assemble_pending_decls): Call it.
9143 (cgraph_output_pending_asms): New static function.
9144 (cgraph_finalize_compilation_unit): Call it.
9145 (struct cgraph_order_sort): Define.
9146 (cgraph_output_in_order): New static function.
9147 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9148 !flag_toplevel_reorder case.
9149 * c-parser.c: Include "cgraph.h".
9150 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9152 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9153 than -fno-unit-at-a-time.
9154 * doc/invoke.texi (Option Summary): Mention
9155 -fno-toplevel-reorder.
9156 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9157 -funit-at-a-time documentation.
9159 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9160 Kazu Hirata <kazu@codesourcery.com>
9162 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9164 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9166 * Makefile.in (FUNCTION_H): New. Use it instead of
9167 function.h throughout the file.
9168 * function.h: Include tree.h.
9170 2006-01-17 Ben Elliston <bje@au.ibm.com>
9172 * recog.c: Separate some functions with whitespace.
9174 2006-01-16 Richard Henderson <rth@redhat.com>
9176 Merge from gomp branch:
9177 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9178 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9179 and rename from struct inline_data. Rename callee* to dst*;
9180 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9181 transform_new_cfg, transform_return_to_modify, and
9182 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9184 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9185 (copy_decl_for_dup): Remove.
9186 * tree-inline.c (struct inline_data): Move to header.
9187 (insert_decl_map): Export.
9188 (remap_decl): Update for member name changes. Use copy_decl hook.
9189 Allow for replacement to be a non-decl. Remove dead code.
9190 (remap_type_1): Check for existing mapping.
9191 (remap_type): Export.
9192 (remap_decls): Update for member name changes.
9193 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9194 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9195 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9196 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9197 (tree_function_versioning, build_duplicate_type): Likewise.
9198 (copy_body_r): Likewise. Export.
9199 (copy_decl_for_dup): Split into ...
9200 (copy_decl_for_dup_finish, copy_decl_to_var,
9201 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9202 (replace_ref_tree, inlining_p): Remove.
9204 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9206 * ifcvt.c (if_convert): Make it static.
9207 * rtl.h: Remove the prototype for if_convert.
9209 * local-alloc.c (local_alloc): Make it static.
9210 * rtl.h: Remove the prototype for local_alloc.
9212 * loop.c (loop_optimize): Make it static.
9213 * cfgloop.h: Remove the prototype for loop_optimize.
9216 2006-01-16 DJ Delorie <dj@redhat.com>
9218 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9221 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9223 * pa.md: Disparage copies between general and floating-point registers
9224 in 32-bit move patterns.
9226 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9229 * Makefile.in (check-%): Depend on site.exp instead of
9230 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9233 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9235 * global.c (global_alloc): Make it static.
9236 * rtl.h: Remove the prototype for global_alloc.
9238 2006-01-16 Richard Guenther <rguenther@suse.de>
9240 * tree-ssa-alias.c (struct used_part): Add write_only field.
9241 (get_or_create_used_part_for): Initialize it to true.
9242 (create_overlap_variables_for): Don't create structure variables
9243 for structures that only are written to.
9244 (find_used_portions): Handle MODIFY_EXPR to track whether a
9245 structure is only written to.
9247 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9249 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9251 * basic-block.h: Remove the prototype for
9252 partition_hot_cold_basic_blocks.
9254 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9256 * cppspec.c (lang_specific_spec_functions): Remove.
9257 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9258 * gcc.h (lang_specific_spec_functions): Remove.
9259 * gccspec.c (lang_specific_spec_functions): Remove.
9261 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9263 * combine.c (record_value_for_reg): Invalidate registers
9265 (record_dead_and_set_regs_1): Likewise, by passing them to
9266 record_value_for_reg.
9267 (record_dead_and_set_regs): Invalidate stores made by a
9268 call. We do not combine across a call, but we still
9269 relied on equivalences.
9271 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9273 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9274 vrp_int_const_binop returning non-constant nodes.
9276 2006-01-16 Paul Brook <paul@codesourcery.com>
9278 * config/m68k/m68k.c (output_move_const_into_data_reg):
9279 Output correct mnemonic for mvz and mvs.
9281 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9283 * rtl-factoring.c: Add sequence abstraction algorithm.
9284 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9285 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9287 (block_has_preserve_label): New function.
9288 * common.opt: Register new pass.
9289 * Makefile.in: Ditto.
9291 * timevar.def: Ditto.
9292 * tree-pass.h: Ditto.
9293 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9294 * rtl.h (make_jump_insn_raw): Add forward decl.
9295 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9297 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9298 Roger Sayle <roger@eyesopen.com>
9300 * fold-const.c (fold_minmax): New static function.
9301 (fold_binary) <MIN_EXPR>: Call it.
9302 <MAX_EXPR>: Likewise.
9303 * stor-layout.c (place_field): Use DECL_SIZE consistently
9304 in the computation of the new record size.
9306 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9308 * cse.c (cse_condition_code_reg): Make it static.
9309 * rtl.h: Remove the prototype for cse_condition_code_reg.
9311 * combine.c (combine_instructions): Make it static.
9312 * rtl.h: Remove the prototype for combine_instructions.
9314 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9317 * tree.c (get_file_function_name_long): Concatenate the first global
9318 object name with a string derived from the input filename of the object
9321 2006-01-16 Ben Elliston <bje@au.ibm.com>
9323 * config/i386/winnt-stubs.c: Update FSF address.
9324 * config/xtensa/ieee754-df.S: Ditto.
9325 * config/xtensa/ieee754-sf.S: Ditto.
9327 2006-01-14 Ian Lance Taylor <ian@airs.com>
9329 * ifcvt.c (noce_init_if_info): New static function, broken out of
9330 noce_process_if_block.
9331 (noce_process_if_block): Call noce_init_if_info.
9332 (check_cond_move_block): New static function.
9333 (cond_move_process_if_block): New static function.
9334 (process_if_block): Call cond_move_process_if_block.
9336 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9338 * cselib.c (hash_table): Rename to cselib_hash_table.
9339 (cselib_clear_table, discard_useless_values,
9340 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9341 cselib_init, cselib_finish): Adjust uses of hash_table.
9343 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9345 PR tree-optimization/25485
9346 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9347 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9348 is known to be false and true, respectively.
9350 2006-01-14 Richard Guenther <rguenther@suse.de>
9352 PR tree-optimization/22548
9353 PR tree-optimization/22555
9354 PR tree-optimization/22501
9355 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9356 * params.def (salias-max-array-elements): New parameter.
9357 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9358 * doc/invoke.texi (salias-max-array-elements): Document.
9359 * tree-flow-inline.h (var_can_have_subvars): We also handle
9361 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9363 * tree-ssa-structalias.c (params.h): Include.
9364 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9365 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9366 (get_constraint_for): For ADDR_EXPR operating on something
9367 containing an ARRAY_REF, add all subvars to the solution.
9368 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9369 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9370 for creating MUST_DEFs.
9371 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9373 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9375 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9377 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9378 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9379 number_of_iterations_le): New functions.
9380 (number_of_iterations_special): Removed.
9381 (number_of_iterations_exit): Do not use number_of_iterations_special.
9382 * tree.c (unsigned_type_for): Always return integer type.
9384 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9385 Richard Guenther <rguenther@suse.de>
9387 PR rtl-optimization/24257
9388 * gcse.c (find_moveable_store): Only consider a store movable
9389 when the SET_SRC of the insn can be assigned to a register.
9391 2006-01-14 Ian Lance Taylor <ian@airs.com>
9393 * tree.c (tree_not_class_check_failed): New function.
9394 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9395 (tree_not_class_check_failed): Declare.
9397 2006-01-13 Ian Lance Taylor <ian@airs.com>
9399 * reload1.c (do_output_reload): Add assertion rejecting a
9402 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9404 * combine.c (struct reg_stat): Add new fields truncation_label and
9406 (record_value_for_reg): Reset truncated_to_mode.
9407 (record_truncated_value): New function.
9408 (check_promoted_subreg): Call it. Rename to check_conversions.
9409 (combine_instructions): Rename check_promoted_subreg to
9411 (reg_truncated_to_mode): New function.
9412 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9413 (gen_lowpart_or_truncate): New function.
9414 (force_to_mode): Use it instead of gen_lowpart.
9416 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9418 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9419 VAR is a tag, not its type tag.
9421 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9423 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9424 alternatives to match style of other entries.
9425 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9427 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9429 PR tree-optimization/25771
9430 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9433 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9436 * tree-inline.c (declare_return_variable): If the return variable
9437 was marked as a non gimple complex, set the return slot variable
9438 to be a non gimple comple variable.
9440 2006-01-13 Richard Guenther <rguenther@suse.de>
9442 * builtins.c (expand_builtin_sincos): New function.
9443 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9445 (expand_builtin): Expand sincos using expand_builtin_sincos.
9447 2006-01-12 DJ Delorie <dj@redhat.com>
9449 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9450 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9451 so that constant shifts can be split.
9452 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9453 (m32c_valid_pointer_mode): Make static.
9454 (shift_gen_func_for): New.
9455 (m32c_prepare_shift): Use it. Split large const shifts into
9457 * config/m32c/predicates.md (shiftcount_operand): Allow more
9459 (longshiftcount_operand): New.
9460 * doc/md.texi (Machine Constraints): Document In6.
9462 2006-01-13 Ben Elliston <bje@au.ibm.com>
9464 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9465 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9468 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9470 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9471 to try to avoid clobbering pieces of structures when we know
9472 something about the whole structure.
9473 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9475 2006-01-13 Ben Elliston <bje@au.ibm.com>
9477 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9478 return in memory, as this is no limitation is no longer present.
9480 2006-01-12 DJ Delorie <dj@redhat.com>
9482 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9483 mova with fb, and for fb+0 -> An.
9485 * config/m32c/mov.md (peephole2): Fix enabling logic.
9487 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9488 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9489 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9490 FINI_ARRAY_SECTION_ASM_OP): Define.
9492 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9494 (m32c_legitimize_reload_address): New logic to reload FB to An.
9495 (m32c_output_reg_push): Add newline.
9496 (m32c_output_reg_pop): Likewise.
9498 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9500 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9502 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9504 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9506 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9508 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9511 2006-01-11 Ben Elliston <bje@au.ibm.com>
9513 * rtlanal.c (find_reg_note): Assert insn is not null.
9515 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9517 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9520 2006-01-11 Jeff Law <law@redhat.com>
9522 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9524 (mark_threaded_blocks, register_jump_thread): New functions.
9525 (thread_through_all_blocks): Remove unwanted argument. No
9526 longer rely on e->aux to communicate thread target info.
9527 Call mark_threaded_blocks. Release the threaded_blocks
9528 bitmap and threaded_edges vector when complete.
9529 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9530 (threaded_blocks): Remove.
9531 (tree_ssa_dominator_optimize): Remove initialization and
9532 finalization of threaded_blocks. Simplify call to
9533 thread_through_all_blocks.
9534 (thread_across_edge): Call register_jump_thread rather than
9535 storing thread information into e->aux.
9536 (free_all_edge_infos): Simplify now that e->aux is no longer
9537 used to communicate with thread_through_all_blocks.
9538 * tree-flow.h (thread_through_all_blocks): Update prototype.
9539 (register_jump_thread): Prototype.
9541 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9543 * df-core.c (df_compact_blocks, df_bb_replace): Use
9544 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9546 2006-01-11 Richard Guenther <rguenther@suse.de>
9548 PR tree-optimization/25734
9549 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9550 stop propagation after successful propagation to the LHS.
9552 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9554 * basic-block.h (control_flow_graph): Change the type of
9555 x_basic_block_info to VEC(basic_block,gc) *.
9556 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9558 (SET_BASIC_BLOCK): New.
9559 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9560 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9561 * cfgbuild.c (find_basic_blocks): Likewise.
9562 * cfglayout.c (fixup_reorder_chain): Likewise.
9563 * cfgrtl.c (create_basic_block_structure,
9564 rtl_create_basic_block): Likewise.
9565 * ifcvt.c (find_if_case_1): Likewise.
9566 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9569 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9571 * Makefile.in: Removed rotted odf.c entry.
9573 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9576 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9577 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9578 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9579 output pattern modifier, not %e.
9580 * config/cris/cris.c (cris_op_str): Update comment about pattern
9582 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9583 before falling through into...
9584 <case 'E'>: Redefined from old 'e' case.
9586 2006-01-11 Jan Hubicka <jh@suse.cz>
9589 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9591 2006-01-11 Jan Hubicka <jh@suse.cz>
9593 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9594 * i386.c (x86_decompose_lea): Kill.
9595 (ix86_rtx_costs): Kill.
9597 2006-01-11 Jan Hubicka <jh@suse.cz>
9599 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9600 * cgraph.h (cgraph_node): Add inline_decl.
9601 (cgraph_insert_node_to_hashtable): Declare.
9602 (save_inline_function_body): Declare.
9603 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9605 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9606 (cgraph_function_versioning): Update call of tree_function_versioning.
9607 (save_inline_function_body): New function.
9608 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9609 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9610 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9611 (cgraph_default_inline_p): Likewise.
9612 (cgraph_decide_inlining_incrementally): Likewise.
9613 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9614 (copy_bb): Kill saving; do updating of clones.
9615 (copy_cfg_body): Kill saving.
9616 (initialize_inlined-parameters): Likewise.
9617 (expand_call_inline): Likewise.
9619 (tree_function_versioning): New parameter "update_clones".
9620 (inlining_p): Kill saving.
9621 * tree-inline.h (tree_function_versioning): Update prototype.
9622 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9625 2006-01-11 Ian Lance Taylor <ian@airs.com>
9627 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9628 Allow undoing set of machine mode.
9629 (do_SUBST): Use enums instead of is_int.
9630 (do_SUBST_MODE): New function.
9631 (SUBST_MODE): New macro.
9632 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9633 reg and trying to replace reg_regno_rtx with a new register.
9634 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9635 (simplify_set): Use SUBST_MODE.
9636 (distribute_notes): Remove code that tried to update reg notes
9637 for regno_reg_rtx changes.
9639 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9641 PR tree-optimization/23109
9642 PR tree-optimization/23948
9643 PR tree-optimization/24123
9645 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9646 * tree-cfg.c (single_noncomplex_succ): New.
9647 * tree-flow.h (single_noncomplex_succ): Declare it.
9648 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9649 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9650 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9651 insert_bb, register_division_in, insert_reciprocals,
9652 replace_reciprocal, free_bb): New.
9653 (execute_cse_reciprocals_1): Rewritten.
9654 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9655 Do not commit any edge insertion. Always compute dominators and
9656 create the allocation pool.
9657 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9658 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9659 * targhooks.c (default_min_divistions_for_recip_mul): New.
9660 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9661 * passes.c (init_optimization_passes): Run recip after tree loop
9663 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9665 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9666 Kenneth Zadeck <zadeck@naturalbridge.com>
9668 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9669 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9670 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9671 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9672 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9673 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9674 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9675 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9676 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9677 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9678 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9679 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9680 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9681 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9682 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9683 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9684 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9685 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9686 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9687 DF_SCAN_POST_ALLOC): New macros.
9688 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9689 df_free_bb_function, df_local_compute_function, df_init_function,
9690 df_dataflow_function, df_confluence_function_0,
9691 df_confluence_function_n, df_transfer_function,
9692 df_finalizer_function, df_free_function, df_dump_problem_function,
9693 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9694 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9695 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9696 df_urec_bb_info, ) New types.
9697 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9699 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9700 df_analyze_simple_change_some_blocks,
9701 df_analyze_simple_change_one_block, df_compact_blocks,
9702 df_bb_replace, df_bb_regno_last_use_find,
9703 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9704 df_insn_regno_def_p, df_find_def, df_find_use,
9705 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9706 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9707 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9708 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9709 debug_df_chain, df_get_dependent_problem, df_chain_create,
9710 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9711 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9712 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9713 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9714 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9715 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9716 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9717 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9718 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9719 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9720 df_reorganize_refs, df_set_state, df_hard_reg_init,
9721 df_read_modify_subreg_p) New public functions.
9722 * df-core.c: The core dataflow solver and glue routines for rtl
9724 (df_init, df_add_problem, df_set_blocks, df_finish,
9725 df_hybrid_search_forward, df_hybrid_search_backward,
9726 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9727 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9728 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9729 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9730 df_reg_defined, df_find_use, df_reg_used, df_dump,
9731 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9732 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9733 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9734 debug_df_useno, reset_df_after_reload): New functions.
9735 * df-scan.c: The scanning fuctions, once in df.c, completely
9736 rewritten so that they now fully model the functionality of
9737 register usage at the backend.
9738 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9739 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9740 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9741 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9742 df_get_artificial_defs, df_get_artificial_uses,
9743 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9744 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9745 df_refs_delete, df_reorganize_refs, df_set_state,
9746 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9747 df_def_record_1, df_defs_record, df_uses_record,
9748 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9749 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9750 df_record_exit_block_uses, df_hard_reg_init): New functions.
9752 * df-problems.c: Seven concrete dataflow problems that use the
9753 scanning in df-scan.c and are solved by the engine in df-core.c.
9754 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9755 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9756 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9757 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9758 df_ru_free_bb_info, df_ru_alloc,
9759 df_ru_bb_local_compute_process_def,
9760 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9761 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9762 df_ru_transfer_function, df_ru_free, df_ru_dump,
9763 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9764 df_rd_free_bb_info, df_rd_alloc,
9765 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9766 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9767 df_rd_transfer_function, df_rd_free, df_rd_dump,
9768 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9769 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9770 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9771 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9772 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9773 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9774 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9775 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9776 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9777 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9778 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9779 df_urec_mark_reg_use_for_earlyclobber,
9780 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9781 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9782 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9783 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9784 df_chain_create_bb_process_use, df_chain_create_bb,
9785 df_chain_finalize, df_chain_free, df_chains_dump,
9786 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9787 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9788 df_reg_lifetime): New functions.
9789 * df.c: Deleted file.
9790 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9791 consistent with new df api.
9792 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9793 rest_of_handle_sms): Ditto.
9794 * web.c (unionfind_union, union_defs, entry_register, web_main):
9796 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9797 invariant_expr_equal_p, find_defs, check_dependencies,
9798 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9799 free_inv_motion_data, move_loop_invariants): Ditto.
9800 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9801 Update dependencies.
9802 (odf.c): Added defective entry that was deleted later in day.
9803 * sched-deps.c (sched_analyze_1): Ditto.
9805 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9807 * tree-ssa-operands.c (get_expr_operands): Record addressable
9808 variables directly. Do not call add_stmt_operands for CONST_DECLs
9810 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9811 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9813 2006-01-11 Ben Elliston <bje@au.ibm.com>
9815 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9816 function returns true in the positive case.
9818 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9821 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9822 for SI, DI, SF and DF modes. Add alternatives to copy between
9823 general and floating point registers to the 32-bit patterns.
9824 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9825 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9826 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9827 generating 64-bit code.
9828 * config/pa/pa.c (output_move_double): Handle copies between general
9829 and floating registers.
9831 2006-01-10 Stuart Hastings <stuart@apple.com>
9833 * config/i386/i386.md (set_got): Update.
9834 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9835 (builtin_setjmp_receiver): Mach-O support.
9836 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9837 (GOT_SYMBOL_NAME): Define.
9838 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9839 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9840 * config/i386/i386.c (override_options): Revise for Darwin.
9841 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9842 support. (darwin_x86_file_end): New. (output_set_got): Add label
9843 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9844 * config/i386/i386-protos.h (output_set_got): Likewise.
9845 * config/darwin.c (machopic_legitimize_pic_address): Update
9848 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9850 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9851 when MODE isn't BLKmode.
9853 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9855 PR rtl-optimization/25367
9856 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9858 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9861 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9862 for a negative bound.
9864 2006-01-10 Richard Guenther <rguenther@suse.de>
9866 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9867 Never override with anything constraint.
9869 2006-01-10 Jan Beulich <jbeulich@novell.com>
9871 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9872 256 bits when optimize_size.
9874 2006-01-10 Jan Beulich <jbeulich@novell.com>
9876 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9878 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9879 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9882 2006-01-10 Ben Elliston <bje@au.ibm.com>
9884 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9886 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9887 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9888 (USE_FP_FOR_ARG): Reject decimal float modes.
9889 (function_arg_advance): Likewise.
9890 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9891 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9892 point types in AltiVec vectors.
9893 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9894 (rs6000_libcall_value): Likewise.
9896 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9898 * config/xtensa/ieee754-df.S: New file.
9899 * config/xtensa/ieee754-sf.S: New file.
9900 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9901 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9902 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9904 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9906 * config/sh/predicates.md (binary_float_operator,
9907 binary_logical_operator, commutative_float_operator,
9908 equality_comparison_operator, greater_comparison_operator,
9909 less_comparison_operator, logical_operator,
9910 noncommutative_float_operator, shift_operator,
9911 symbol_ref_operand, unary_float_operator): Remove redundant
9914 2006-01-09 Jeff Law <law@redhat.com>
9916 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9917 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9918 now unused arguments. Callers updated.
9919 (eliminate_redundant_computations): Remove now unused arguments,
9921 (local_fold): Remove, no longer used.
9922 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9924 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9925 (simplify_cond): New function.
9926 (forward_propagate_into_cond): Call simplify_cond.
9928 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9930 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9931 (*vec_extractv2di_1_sse): New.
9933 2006-01-09 Ben Elliston <bje@au.ibm.com>
9935 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9937 2006-01-08 Richard Guenther <rguenther@suse.de>
9939 * tree-ssa-structalias.c (get_constraint_for): Remove
9941 (get_constraint_for_component_ref): Likewise.
9942 (do_deref): Likewise.
9943 (get_constraint_for): Likewise.
9944 (do_structure_copy): Likewise.
9945 (handle_ptr_arith): Likewise.
9946 (find_func_aliases): Likewise. Remove unused need_anyoffset
9949 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9950 Kaz Kojima <kkojima@gcc.gnu.org>
9952 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9953 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9954 (EXTRA_CONSTRAINT_C16): Remove.
9955 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9956 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9957 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9958 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9959 constants of SHmedia. Handle nested constant expressions of
9961 (andcosts): Fix the costs for SHmedia constants.
9962 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9963 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9964 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9965 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9966 (movv4hi_i, movv2si_i): Likewise.
9967 (movsi_const): Adjust the second operand of ior so to match with
9969 (movdi_const, movdi_const_32bit): Likewise.
9970 (movdi_const_16bit+1): Don't sign-extend LOW.
9971 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9973 (*double_shori): Fix the split condition. Use GEN_INT instead
9974 of get_int_mode calls. Mask lower 16-bit of the argument of
9976 (sym2GOTPLT): Remove.
9977 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9979 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9980 instead of EXTRA_CONSTRAINT_C16.
9982 2006-01-07 Ian Lance Taylor <ian@airs.com>
9983 David Edelsohn <edelsohn@gnu.org>
9985 PR rtl-optimization/25662
9986 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9987 for constant operands instead of simplify_gen_binary.
9988 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9989 after trying simplify_binary_operation
9991 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9993 * tree.c (iterative_hash_expr): Hash decls based on UID.
9995 2006-01-06 Eric Christopher <echristo@apple.com>
9997 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9998 (TARGET_UNWIND_EMIT): Fix spelling.
9999 * target.h (gcc_target): Add except_table_label.
10000 * except.c (output_function_exception_table): Use.
10001 * varasm.c (default_emit_except_table_label): New.
10002 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10004 (asm_out): Add here.
10005 * output.h (default_emit_except_table_label): Prototype.
10006 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10007 * config/darwin.c (darwin_emit_except_table_label): Define.
10008 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10010 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10012 PR tree-optimization/18527
10013 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10014 number_of_iterations_special, number_of_iterations_exit):
10015 Move base and step of an iv to a single structure. Add
10016 no_overflow flag, and use it in # of iterations analysis.
10017 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10018 folded_casts argument.
10019 (simple_iv): Pass base and step in a structure. Set no_overflow
10021 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10022 Evaluate expensiveness of computing # of iterations instead of
10023 the final expression.
10024 * tree-scalar-evolution.h (affine_iv): New structure.
10025 (simple_iv): Declaration changed.
10026 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10027 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10028 find_givs_in_stmt): Changed due to simple_iv change.
10030 2006-01-06 Jeff Law <law@redhat.com>
10033 * tree-cfg.c (bsi_replace): Rename final argument from
10034 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10035 change (stmt -> orig_stmt).
10036 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10037 (bsi_remove): Add new argument. Remove EH information
10039 (verify_eh_throw_table_statements): New function.
10040 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10042 * tree-optimize.c (execute_free_cfg_annotations): Verify
10043 the EH throw statement table after removing annotations.
10044 * except.h (verify_eh_throw_table_statements): Prototype.
10045 * tree-flow.h (bsi_remove): Update prototype.
10046 * tree-vrp.c (remove_range_assertions): Add new argument to
10048 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10049 * tree-complex.c (expand_complex_div_wide): Likewise.
10050 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10051 * tree-tailcall.c (eliminate_tailcall): Likewise.
10052 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10053 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10054 * tree-nrv.c (tree_nrv): Likewise.
10055 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10056 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10057 (combine_blocks): Likewise.
10058 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10059 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10060 (cleanup_control_flow): Likewise.
10061 (remove_forwarder_block): Likewise.
10062 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10063 * tree-sra.c (sra_replace): Likewise.
10064 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10065 (forward_propagate_single_use_vars): Likewise.
10066 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10067 * tree-inline.c (expand_call_inline): Likewise.
10068 * tree-vect-transform.c (vect_transform_loop): Likewise.
10069 * tree-outof-ssa.c (rewrite_trees): Likewise.
10070 * tree-cfg.c (make_goto_expr_edges): Likewise.
10071 (cleanup_dead_labels): Likewise.
10072 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10073 (bsi_move_before, bsi_move_after): Likewise.
10074 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10075 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10077 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10080 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10082 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10083 on non gimple variables. Also add checks at the top for decls and
10085 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10087 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10088 and IMAGPART_EXPR for creating MUST_DEFs.
10089 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10090 and NAME_MEMORY_TAG separately from the DECLs.
10092 2006-01-06 Richard Guenther <rguenther@suse.de>
10094 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10095 annotation, if necessary.
10096 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10097 redundant calls to update_stmt.
10098 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10101 2006-01-05 Richard Henderson <rth@redhat.com>
10103 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10105 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10107 * c-typeck.c: Update copyright date.
10109 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10111 * c-typeck.c (build_c_cast): Always warn when casting
10112 from a pointer to an integer of different size, even if
10113 the node was constant.
10115 2006-01-05 Richard Guenther <rguenther@suse.de>
10117 PR tree-optimization/22555
10118 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10119 if one structure field is an array.
10120 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10121 operands even if we found a subvar, but ignore VOPs in this
10123 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10125 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10127 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10129 PR middle-end/24998
10130 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10132 2006-01-05 Richard Guenther <rguenther@suse.de>
10133 Diego Novillo <dnovillo@redhat.com>
10135 * tree-pass.h (TODO_remove_unused_locals): Define.
10136 * gimple-low.c (expand_var_p, remove_useless_vars,
10137 pass_remove_useless_vars): Remove. Update all users.
10138 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10139 (remove_unused_locals): New function.
10140 * tree-flow.h (remove_unused_locals): Declare.
10141 * passes.c (execute_todo): Call remove_unused_locals if
10142 TODO_remove_unused_locals is set.
10143 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10144 * tree-ssa-dce.c (pass_dce): Likewise.
10145 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10147 2006-01-05 Richard Guenther <rguenther@suse.de>
10149 * tree-flow.h (struct fieldoff): Decompose field to
10150 type, size and decl.
10151 * tree-ssa-alias.c (create_sft): Take type as parameter.
10152 (create_overlap_variables_for): Store type, size and decl
10153 in the fieldoff structure.
10154 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10155 of struct fieldoff.
10156 (push_fields_onto_fieldstack): Likewise.
10157 (create_variable_info_for): Likewise. Use offset for the
10158 SFT name if the decl is not available.
10160 2006-01-04 Paul Brook <paul@codesourcery.com>
10162 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10164 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10166 * lambda-code.c (can_put_in_inner_loop): Relax
10168 (can_put_after_inner_loop): New function.
10169 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10170 (perfect_nestify): Change to make copies and modify uses.
10172 2006-01-04 Richard Henderson <rth@redhat.com>
10174 Merge from gomp branch:
10175 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10176 via integer constant.
10177 (pragma_lex): Remove.
10178 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10179 rather than parsing it.
10180 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10181 handle_pragma_extern_prefix): Add %< %> quotes.
10182 (registered_pragmas): New.
10183 (c_register_pragma_1): New.
10184 (c_register_pragma): Use it.
10185 (c_register_pragma_with_expansion): Likewise.
10186 (c_invoke_pragma_handler): New.
10187 (init_pragma): Use cpp_register_deferred_pragma directly for
10189 * c-pragma.h (enum pragma_kind): New.
10190 (pragma_handler): New.
10191 (c_invoke_pragma_handler): Declare.
10192 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10194 * c-common.h (c_common_pch_pragma): Update decl.
10195 * Makefile.in (c-parser.o): Update dependencies.
10196 (GTFILES): Add c-pragma.h.
10197 * c-parser.c (struct c_token): Add pragma_kind.
10198 (struct c_parser): Add in_pragma.
10199 (c_lex_one_token): Always initialize keyword and pragma_kind.
10200 Extract data for CPP_PRAGMA.
10201 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10202 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10203 Don't allow CPP_PRAGMA_EOL if in_pragma.
10204 (c_parser_consume_pragma): New.
10205 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10206 (c_parser_skip_to_end_of_parameter): Likewise.
10207 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10208 (c_parser_skip_to_pragma_eol): New.
10209 (c_parser_external_declaration): Handle CPP_PRAGMA.
10210 (c_parser_compound_statement_nostart): Likewise.
10211 (c_parser_statement_after_labels): Likewise.
10212 (c_parser_pragma): New.
10213 (pragma_lex): Likewise.
10214 (c_parser_pragma_pch_preprocess): New.
10215 (c_parser_new): Merge into ...
10216 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10218 2006-01-04 Jeff Law <law@redhat.com>
10221 * tree-cfg.c (bsi_replace): Remove the original statement
10222 from the EH throw statement table.
10224 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10226 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10227 make the prototype extern "C" and add throw ().
10230 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10231 and pos non-negative and pos + len <= 32.
10232 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10233 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10234 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10237 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10238 as well as sizes not multiple of component size.
10241 * function.c (instantiate_expr): New function.
10242 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10243 walk its DECL_VALUE_EXPR with instantiate_expr.
10245 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10246 DW_OP_deref{,_size} if address isn't going to be added.
10248 2006-01-04 Ben Elliston <bje@au.ibm.com>
10250 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10251 * config/fp-bit.c: Likewise.
10253 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10255 * dominance.c: Add comment about why we use DFS numbering
10258 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10259 Richard Henderson <rth@redhat.com>
10261 Merge from gomp-branch:
10262 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10263 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10265 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10267 PR rtl-optimization/25578
10268 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10269 pass a parameter to simplify_shift_const if changing ASHIFTRT
10272 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10274 * builtins.c (get_builtin_sync_mem): New function.
10275 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10276 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10277 Call get_builtin_sync_mem to generate mem rtx.
10279 2006-01-03 Richard Guenther <rguenther@suse.de>
10282 * stmt.c (add_case_node): Make sure to clear overflow flags
10285 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10287 Merge from gomp-branch.
10288 * config/sparc/sync.md: New file.
10289 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10290 UNSPECV_LDSTUB): New constants.
10291 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10292 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10293 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10296 2006-01-03 Roger Sayle <roger@eyesopen.com>
10298 * combine.c (reg_subword_p): New predicate to test whether the
10299 destination of a set refers to a subword/piece of a register.
10300 (try_combine): Generalize the code to merge the setting of a
10301 pseudo to a constant followed by a set of a subword of that
10302 register to a constant.
10304 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10306 * basic-block.h (control_flow_graph): Change the type of
10307 x_label_to_block_map to VEC(basic_block,gc) *.
10308 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10309 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10311 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10312 VEC(basic_block,heap) *.
10313 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10314 ssa_prop_fini): Adjust the uses of cfg_blocks.
10316 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10318 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10320 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10321 hashing trees instead of a pointer hash.
10322 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10323 compare for MEM_EXPR.
10325 PR rtl-optimization/25130
10326 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10327 when comparing MEMs for GCSE
10329 2006-01-03 Ben Elliston <bje@au.ibm.com>
10331 * targhooks.h (default_decimal_float_supported_p): Declare.
10332 * targhooks.c (default_decimal_float_supported_p): Define.
10333 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10334 `default_decimal_float_supported_p'.
10335 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10337 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10339 * combine.c (apply_distributive_law <SUBREG>): Check
10340 TRULY_NOOP_TRUNCATION.
10342 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10344 * dwarf2out.c (have_switched_text_section): Delete.
10345 (have_multiple_function_sections): New.
10346 (have_location_lists): Make 'bool'.
10347 (add_AT_loc_list): Use 'true' not '1'.
10348 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10349 (output_loc_list): Use have_multiple_function_sections.
10350 (output_ranges): Likewise.
10351 (dwarf2out_begin_function): Set have_multiple_function_sections if
10353 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10354 Check function_section rather than DECL_SECTION_NAME.
10355 (dwarf2out_finish): Use have_multiple_function_sections.
10356 Don't clear have_location_lists.
10358 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10359 Jan Hubicka <jh@suse.cz>
10361 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10362 case of conditional jump jumping to the next instruction.
10363 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10364 cases of conditional jump jumping to the next instruction.
10366 2006-01-02 Jan Hubicka <jh@suse.cz>
10368 * i386.c (*_cost): Add COSTS_N_INSNS.
10369 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10371 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10374 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10376 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10378 * config/arm/arm.c (all_fpus): Fix comment typo.
10379 * config/darwin.c: Likewise.
10380 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10381 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10382 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10384 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10386 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10387 (rs6000_split_compare_and_swapqhi): New.
10388 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10389 (sync_compare_and_swapqhi_internal): New.
10390 * config/rs6000/rs6000-protos.h: Declare.
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