1 2006-05-01 DJ Delorie <dj@redhat.com>
3 * vec.c: Include bconfig.h when appropriate.
4 * Makefile.in (build/vec.o): Adjust dependencies.
5 * mkconfig.sh: Make sure config.h isn't used for build machine
8 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
12 (mark_phi_for_rewrite): New function.
13 (insert_phi_nodes_for, mark_use_interesting): Call
15 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
16 (update_ssa): Initialize and free phis_to_rewrite.
18 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
20 PR rtl-optimization/27291
21 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
24 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
26 PR tree-optimization/27283
27 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
28 not whole # of iteration descriptions.
29 (niter_for_exit): Return just # of iterations. Fail if # of iterations
30 uses abnormal ssa name.
31 (niter_for_single_dom_exit): Ditto.
32 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
33 return just the number of iterations.
35 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
37 PR tree-optimization/27144
38 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
39 (record_estimate): Only record constant upper bound.
40 (infer_loop_bounds_from_undefined): Call
41 compute_estimated_nb_iterations just once.
42 (proved_non_wrapping_p): Renamed to ...
43 (n_of_executions_at_most): ... this. Expect bound to be a constant.
44 (convert_step_widening, scev_probably_wraps_p): Call
45 n_of_executions_at_most instead of proved_non_wrapping_p.
46 (substitute_in_loop_info): Do not replace values in bounds.
47 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
50 2006-05-01 Richard Henderson <rth@redhat.com>
53 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
54 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
57 2006-05-01 Roger Sayle <roger@eyesopen.com>
59 * c-typeck.c (parser_build_binary_op): Don't call the function
60 unsigned_conversion_warning to spot operand/result type overflow.
61 (build_binary_op): Instead, call convert_and_check instead of
62 convert to report the problem when the operands are promoted.
63 * c-common.c (unsigned_conversion_warning): Make static.
64 * c-common.h (unsigned_conversion_warning): Delete prototype.
66 2006-05-01 Richard Guenther <rguenther@suse.de>
68 PR tree-optimization/26726
69 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
71 (find_interesting_uses_address): ... we work around here
72 by folding INDIRECT_REFs in the substituted base.
74 2006-05-01 Diego Novillo <dnovillo@redhat.com>
76 * omp-low.c (dump_omp_region): Add newlines.
78 2006-04-30 Roger Sayle <roger@eyesopen.com>
80 * common.opt (Woverflow): New command line option.
81 * c-common.c (constant_expression_warning): Check warn_overflow.
82 (overflow_waring): Pass OPT_Woverflow to warning.
83 (unsigned_conversion_warning): Likewise.
84 (convert_and_check): Likewise.
85 * doc/invoke.texi: Document new command line option.
87 2006-04-30 David Edelsohn <edelsohn@gnu.org>
89 * config/rs6000/rs6000.c (rs6000_override_options): Enable
90 TARGET_NO_FP_IN_TOC for section anchors.
91 (optimization_options): Enable section anchors for all
92 non-"Objective" languages.
94 2006-04-28 Eric Christopher <echristo@apple.com>
96 * config/darwin-c.c (darwin_ms_struct): Move this
97 (darwin_set_default_type_attributes): and this...
98 * config/darwin.c: ... here.
99 * config/darwin.h (darwin_ms_struct): Declare.
101 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
103 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
105 2006-04-28 Roger Sayle <roger@eyesopen.com>
108 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
109 (push_array_bounds): Delete prototype. Change BOUNDS argument to
110 an unsigned HOST_WIDE_INT.
111 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
113 (really_start_incremental_init): No need to call convert because
114 bitsize_zero_node is already of type bitsizetype.
115 (push_init_level): Extract the value of constructor_index as an
116 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
117 (process_init_element): Likewise.
119 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
121 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
122 value before passing to make_relative_prefix.
124 2006-04-28 Alan Modra <amodra@bigpond.net.au>
127 * builtins.c (expand_builtin_memset): Expand val in original mode.
129 2006-04-27 Eric Christopher <echristo@apple.com>
131 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
133 * config/darwin-c.c (darwin_ms_struct): New.
134 (darwin_pragma_ms_struct): Ditto.
135 (darwin_set_default_type_attributes): Ditto.
136 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
137 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
138 Register ms_struct pragma.
139 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
140 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
141 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
142 darwin_set_default_type_attributes if TARGET_MACHO.
144 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
146 PR tree-optimization/26854
147 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
148 * doc/tree-ssa.texi: Update immuse iterator documentation.
149 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
150 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
151 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
152 first_safe_imm_use, next_safe_imm_use): Remove.
153 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
154 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
155 (move_use_after_head): New. Helper function to sort immuses in a stmt.
156 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
157 (first_imm_use_stmt): New. Get first stmt in an immuse list.
158 (next_imm_use_stmt): New. Get next stmt in an immuse list.
159 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
160 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
161 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
162 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
163 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
164 (perfect_nestify): Use new iterator.
165 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
167 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
168 (next_imm_name): New field in struct immediate_use_iterator_d.
169 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
170 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
171 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
172 * tree-cfg.c (replace_uses_by): Use new iterator.
173 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
174 * tree-ssa-operands.c (correct_use_link): Remove.
175 (finalize_ssa_use_ops): No longer call correct_use_link.
177 2006-04-27 Stuart Hastings <stuart@apple.com>
179 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
180 * config/t-darwin (crt3.o): Use it.
181 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
182 'pmode', use Pmode instead of SImode for SYMBOL_REF.
183 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
184 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
185 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
188 2006-04-27 Roger Sayle <roger@eyesopen.com>
190 * expmed.c (store_fixed_bit_field): If we're not optimizing for
191 size, force the intermediate into a new pseudo rather instead of
192 performing both a bitwise AND and a bitwise IOR in memory.
194 2006-04-27 Richard Guenther <rguenther@suse.de>
196 PR rtl-optimization/26685
197 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
198 this one "max-flow-memory-locations".
200 2006-04-27 Richard Guenther <rguenther@suse.de>
202 PR tree-optimization/25148
203 * tree-vrp.c (compare_values): Remove code dealing with
204 comparisons against type min/max value. Honour overflow
205 and negative constants in code dealing with comparisons
206 of plus and minus expressions.
207 (value_inside_range): Use fold_binary with LE_EXPR and
208 GE_EXPR rather than compare_values.
210 2006-04-27 Dirk Mueller <dmueller@suse.de>
212 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
215 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
217 * basic-block.h (safe_insert_insn_on_edge): Removed.
218 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
221 2006-04-26 David Edelsohn <edelsohn@gnu.org>
222 Paolo Bonzini <bonzini@gnu.org>
225 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
226 (simplify_and_const_int): Same.
228 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
230 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
232 2006-04-26 Jakub Jelinek <jakub@redhat.com>
235 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
236 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
237 cgraph_global_info_ready.
240 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
243 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
244 either decl or init is error_mark_node.
247 * tree-flow.h (struct omp_region): Add sched_kind.
248 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
249 instead of extracting omp for data.
250 (expand_omp_for): Save extracted sched_kind.
252 2006-04-25 Roger Sayle <roger@eyesopen.com>
254 * expmed.c (store_bit_field): Also check whether the bitsize is
255 valid for the machine's "insv" instruction before moving the
256 target into a pseudo for use with the insv.
257 * config/i386/predicates.md (const8_operand): New predicate.
258 * config/i386/i386.md (extv, extzv, insv): Use the new
259 const8_operand predicate where appropriate.
261 2006-04-25 DJ Delorie <dj@redhat.com>
263 * doc/install.texi (Specific): Clarify that this is not a list of
264 supported hosts or targets.
266 2006-04-25 Richard Sandiford <richard@codesourcery.com>
268 PR rtl-optimization/26725
269 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
270 block's BB_DIRTY flag.
272 2006-04-25 Geoffrey Keating <geoffk@apple.com>
274 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
277 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
280 2006-04-25 David Edelsohn <edelsohn@gnu.org>
282 * varasm.c (align_variable): New function.
283 (get_block_for_decl): Apply align_variable to DECL before
284 calculating section information.
285 (assemble_variable): Split out alignment computation.
287 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
289 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
292 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
294 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
295 MODE_PARTIAL_INT mode.
296 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
297 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
299 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
300 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
302 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
304 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
306 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
307 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
308 MACFLAG_IH): Likewise.
309 (movstricthi_1): Renamed from "*movstricthi".
310 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
311 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
312 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
313 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
314 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
315 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
316 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
317 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
318 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
319 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
320 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
321 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
322 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
323 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
324 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
326 * doc/rtl.texi (ss_ashift): Improve wording.
328 2006-04-24 Geoffrey Keating <geoffk@apple.com>
330 * dwarf2out.c (verify_marks_clear): New.
331 (prune_unused_types): Call verify_marks_clear initially, not
334 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
336 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
337 * doc/rtl.texi: Document them.
338 * simplify-rtx.c (simplify_unary_operation,
339 simplify_binary_operation_1): Don't abort when we see them.
341 2006-04-24 Mark Mitchell <mark@codesourcery.com>
344 2006-04-23 Mark Mitchell <mark@codesourcery.com>
345 * configure.ac: Completely disregard languages that are not
347 * configure: Regenerated.
349 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
350 Richard Guenther <rguenther@suse.de>
352 PR tree-optimization/27236
353 * tree-inline.c (copy_body_r): Make sure to copy
354 TREE_THIS_VOLATILE flag.
356 2006-04-24 Richard Guenther <rguenther@suse.de>
359 * tree-complex.c (update_parameter_components): Don't handle
360 unused parameters which have no default def.
362 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
363 Richard Guenther <rguenther@suse.de>
365 PR tree-optimization/27218
366 * tree-inline.c (expand_call_inline): Strip useless type
367 conversions for the return slot address.
369 2006-04-24 Richard Guenther <rguenther@suse.de>
371 * cfgloop.h (struct loops): Remove unused field array. Reorder
373 (LOOP_PREFETCH): Remove.
375 2006-04-24 Richard Guenther <rguenther@suse.de>
377 PR tree-optimization/22525
378 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
379 variable, adjust types of generated expressions.
381 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
383 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
384 (tree-vect-patterns.o): Likewise.
386 (cselib.o): Likewise.
387 (loop-doloop.o): Likewise.
388 (regclass.o): Likewise.
389 (reload1.o): Likewise.
390 (explow.o): Replace target.h with $(TARGET_H).
391 (ipa-prop.o): Likewise.
392 (ipa-cp.o): Likewise.
393 (ipa-inline.o): Likewise.
395 (reg-stack.o): Likewise.
397 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
399 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
401 2006-04-23 Mark Mitchell <mark@codesourcery.com>
403 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
405 * configure.ac: Completely disregard languages that are not
407 * configure: Regenerated.
410 * c-common.h (c_build_bitfield_integer_type): Declare.
411 * c-decl.c (c_build_bitfield_integer_type): Move to ...
412 * c-common.c (c_build_bitfield_integer_type): ... here.
414 2006-04-23 Roger Sayle <roger@eyesopen.com>
417 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
418 a SImode SUBREG of a floating point register after no_new_pseudos.
420 2006-04-23 Roger Sayle <roger@eyesopen.com>
422 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
423 identify potentially eliminable registers to additionally catch
424 VIRTUAL_INCOMING_ARGS_REGNUM.
425 (addsi3): Update the conditions on when to use addsi_small_int.
427 2006-04-23 Roger Sayle <roger@eyesopen.com>
430 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
431 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
432 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
434 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
436 * fold-const.c (range_predecessor): Use operand_equal_p
437 as the predicate for equality.
438 (range_successor): Likewise.
440 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
443 * config/soft-fp/op-common.h: Fix a typo.
445 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
448 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
449 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
451 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
453 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
455 * doc/tm.texi: Fix a typo.
457 2006-04-21 Geoffrey Keating <geoffk@apple.com>
459 * dwarf2out.c (struct die_struct): Document that die_sib makes
460 a circular linked list.
461 (FOR_EACH_CHILD): New.
462 (reverse_die_lists): Delete.
463 (reverse_all_dies): Delete.
464 (add_dwarf_attr): Correct documentation.
465 (remove_child_with_prev): New.
466 (remove_child_TAG): Update for change to die_struct, use
467 remove_child_with_prev.
468 (add_child_die): Update for change to die_struct.
469 (splice_child_die): Use remove_child_with_prev and add_child_die.
470 (print_die): Use FOR_EACH_CHILD.
471 (die_checksum): Likewise.
472 (assign_symbol_names): Likewise.
473 (output_location_lists): Likewise.
474 (build_abbrev_table): Likewise.
475 (calc_die_sizes): Likewise.
476 (mark_dies): Likewise.
477 (unmark_dies): Likewise.
478 (unmark_all_dies): Likewise.
479 (output_die): Likewise.
480 (prune_unused_types_mark): Likewise.
481 (prune_unused_types_walk): Likewise.
482 (same_die_p): Update for change to die_struct.
483 (break_out_includes): Likewise.
484 (prune_unused_types_prune): Likewise.
485 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
486 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
488 (dwarf2out_finish): Don't call reverse_all_dies.
490 2006-04-21 Eric Christopher <echristo@apple.com>
492 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
493 in comments and function names.
495 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
498 * c-typeck.c (digest_init): Robustify.
500 * c-typeck.c (pop_init_level): Simplify.
502 2006-04-21 Steve Ellcey <sje@cup.hp.com>
504 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
506 2006-04-21 Paul Brook <paul@codesourcery.com>
508 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
509 hardware floating point.
511 2006-04-21 David Edelsohn <edelsohn@gnu.org>
513 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
516 2006-04-21 Nick Clifton <nickc@redhat.com>
518 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
521 2006-04-21 Alan Modra <amodra@bigpond.net.au>
524 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
525 C++ lang type in traceback table for Objective-C++.
527 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
529 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
531 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
533 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
536 * tree-mudflap.c (mudflap_finish_file): Skip function when there
537 were errors. Remove check for erroneous objects.
539 2006-04-20 Jeff Law <law@redhat.com>
541 PR tree-optimization/26854
542 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
543 checking for zero or one use.
544 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
545 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
546 * tree-ssa-reassoc.c (negate_value): Similarly.
547 (reassociate_bb): Similarly.
549 2006-04-20 Jakub Jelinek <jakub@redhat.com>
551 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
552 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
553 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
555 2006-04-20 Alan Modra <amodra@bigpond.net.au>
557 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
558 fp regs if the last fp arg doesn't fit in regs.
560 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
563 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
564 that the last insn has the REG_INC note.
566 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
567 Nathan Sidwell <nathan@codesourcery.com>
570 * stor-layout.c (update_alignment_for_field): Do not align
572 (place_union_field): Place union field at the start of the union.
573 (place_field): Move ERROR_MARK check later, and use the current
574 allocation position to maintain monotonicity.
576 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
578 * dominance.c: Include timevar.h.
579 (calculate_dominance_info): Use TV_DOMINANCE.
580 * timevar.def (TV_DOMINANCE): New timevar.
581 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
583 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
585 PR rtl-optimization/14261
586 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
587 move would be an INSV insn.
588 (noce_process_if_block): Don't optimize if the destination is a
589 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
591 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
593 * config/s390/s390.md: Add comments with the instructions emitted
594 by an insn pattern if macros are used.
596 2006-04-19 Alan Modra <amodra@bigpond.net.au>
598 PR rtl-optimization/26026
599 * fold-const.c (fold_binary): Optimize div and mod where the divisor
600 is a known power of two shifted left a variable amount.
602 2006-04-18 Geoffrey Keating <geoffk@apple.com>
604 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
605 to hash table twice when the debug_str section has SECTION_MERGE.
607 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
609 * config/soft-fp: New directory. From glibc.
610 * config/soft-fp/t-softfp: New.
611 * config/soft-fp/README: New.
612 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
613 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
614 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
615 (LIBGCC_DEPS): Add $(SFP_MACHINE).
616 * config.gcc: Use rs6000/t-fprules-fpbit or
617 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
619 * config/rs6000/sfp-machine.h: New. Based on glibc.
620 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
622 * config/rs6000/t-fprules: Remove fp-bit rules.
623 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
624 * config/rs6000/t-linux64: Likewise. Remove duplicates from
625 LIB2FUNCS_EXTRA. Remove fp-bit rules.
626 (softfp_wrap_start, softfp_wrap_end): New.
628 2006-04-18 DJ Delorie <dj@redhat.com>
630 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
632 2006-04-18 Devang Patel <dpatel@apple.com>
634 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
636 2006-04-18 Nick Clifton <nickc@redhat.com>
638 * config/sh/t-symbian: Add rule to build sh-c.o
639 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
640 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
641 (sh_symbian_encode_section_info): Likewise.
643 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
645 * builtins.c (expand_builtin_strcmp): Cover label definition of
646 do_libcall with HAVE_cmpstrnsi.
648 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
650 * function.c (temp_slots_at_level, max_slot_level): Use VEC
652 * function.h (temp_slot_p): New.
653 (function): Change the type of x_used_temp_slots to
654 VEC(temp_slot_p,gc) *.
656 2006-04-18 Nick Clifton <nickc@redhat.com>
658 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
659 flag_strength_reduce.
661 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
663 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
667 Partial revert of revision 112637
668 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
669 Dale Johannesen <dalej@apple.com>
672 * regclass.c (struct reg_pref): Update documentation.
673 (regclass): Set prefclass to NO_REGS if memory is the best option.
674 (record_reg_classes): Cope with a prefclass set to NO_REGS.
676 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
678 PR tree-optimization/26821
679 * tree-ssa-math-opts.c (get_constant_one): New.
680 (insert_reciprocals): Use it.
682 2006-04-17 Geoffrey Keating <geoffk@apple.com>
684 * dwarf2out.c (free_AT): Delete.
685 (remove_AT): Update string ref counts.
686 (remove_child_TAG): Don't call free_die.
688 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
690 (prune_unused_types_walk_attribs): Reset string refcounts.
691 (prune_unused_types_update_strings): New.
692 (prune_unused_types_prune): Don't make unnecessary stores. Don't
693 call free_die. Do call prune_unused_types_update_strings.
694 (prune_unused_types): Empty debug_str_hash.
696 2006-04-17 Roger Sayle <roger@eyesopen.com>
698 * expr.c (expand_assignment): Optimize away no-op moves where the
699 source and destination are equal and have no side-effects.
701 2006-04-17 Richard Guenther <rguenther@suse.de>
704 * reload.c (push_reload): Guard calls to get_secondary_mem
707 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
709 * alias.c (reg_base_value, old_reg_base_value): Change the
710 type to VEC(rtx,gc) *.
711 (REG_BASE_VALUE, find_base_value, record_set,
712 init_alias_analysis): Use VEC instead of VARRAY.
714 * alias.c (alias_sets): Change the type to
715 VEC(alias_set_entry,gc) *.
716 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
717 VEC instead of VARRAY.
718 (last_alias_set): Remove.
720 * cgraph.h (cgraph_edge_p): New.
721 Update the prototype of cgraph_function_versioning.
722 * cgraphunit.c (cgraph_copy_node_for_versioning,
723 cgraph_function_versioning): Use VEC instead of VARRAY.
724 * ipa-cp.c (ipcp_insert_stage): Likewise.
726 2006-04-16 Roger Sayle <roger@eyesopen.com>
729 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
730 "A op B" or "A op C", we may need to convert A to the type of B and C.
732 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
734 * target.h (struct gcc_target): Add mode_rep_extended.
735 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
736 (init_num_sign_bit_copies_in_rep): Initialize it using
738 (truncate_to_mode): Use it.
739 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
740 * targhooks.h (default_mode_rep_extended): Declare it.
741 * targhooks.c (default_mode_rep_extended): Define it.
742 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
743 default_mode_rep_extended.
744 (TARGET_INITIALIZER): Include it.
745 * doc/tm.texi (Misc): Document it.
746 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
747 (mips_truncated_to_mode): New function.
749 2006-04-16 Roger Sayle <roger@eyesopen.com>
752 * expr.c (compress_float_constant): Copy the narrow constant into
753 a new pseudo before extending it to its final width.
755 2006-04-16 Roger Sayle <roger@eyesopen.com>
756 Andrew Pinski <pinskia@gcc.gnu.org>
757 Dale Johannesen <dalej@apple.com>
760 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
761 special case code to implement V8HImode and V16QImode with SSE2.
763 2006-04-15 Roger Sayle <roger@eyesopen.com>
765 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
766 trees are constructed with a suitable tree type.
768 2006-04-15 Roger Sayle <roger@eyesopen.com>
770 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
771 (integer_onep): Likewise.
772 (integer_all_onesp): Likewise.
773 (integer_pow2p): Likewise.
774 (integer_nonzerop): Likewise.
775 (real_zerop): Likewise.
776 (real_onep): Likewise.
777 (real_twop): Likewise.
778 (real_minus_onep): Likewise.
779 (int_size_in_bytes): Likewise.
780 (host_integerp): Likewise.
782 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
784 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
785 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
786 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
788 * tree-ssa-structalias.h (alias_info): Remove num_references.
790 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
792 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
793 (output_bvb patterns): Likewise.
794 * pa.c (output_bb): Use 'bb' insn for long branch case.
795 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
796 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
797 1. Correct length operand for alternatives 1 and 2.
798 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
799 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
801 2006-04-14 Roger Sayle <roger@eyesopen.com>
803 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
804 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
805 were accidentally reverted by r112959.
807 2006-04-15 Jakub Jelinek <jakub@redhat.com>
810 * except.h (eh_region_outermost): New prototype.
811 * except.c (eh_region_outermost): New function.
812 * tree-cfg.c (find_outermost_region_in_block): Use it.
814 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
816 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
818 * reload1.c (reg_equiv_memory_loc_varray): Rename to
819 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
820 (init_reload, reload): Use VEC instead of VARRAY.
821 * reload.h: Update the prototype for
822 reg_equiv_memory_loc_varray.
824 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
825 Eric Botcazou <ebotcazou@libertysurf.fr>
827 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
830 2005-04-13 Uros Bizjak <uros@kss-loka.si>
833 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
834 to expand fallback builtin function call.
836 2006-04-14 Alan Modra <amodra@bigpond.net.au>
839 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
840 and emit libcall here in case the builtin fails.
841 (expand_builtin_strcmp): Always emit the libcall here on failure.
843 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
845 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
846 * flow.c (reg_n_info): Change the type to
847 VEC(reg_info_p,heap) *.
848 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
850 * regs.h (reg_info_p): New.
851 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
852 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
853 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
856 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
858 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
860 * params.h (MAX_SCHED_READY_INSNS): New macro.
861 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
862 past MAX_SCHED_READY_INSNS during the first scheduling pass.
863 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
864 the ready list for 1 cycle during the first scheduling pass.
865 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
867 2006-04-13 Richard Henderson <rth@redhat.com>
870 * gimple-low.c (lower_omp_directive): Remove dead code.
871 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
872 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
873 * omp-low.c (struct omp_region): Move to tree-flow.h.
874 (root_omp_region): Export.
875 (omp_regions, lookup_omp_region): Remove.
876 (determine_parallel_type): Update for struct omp_region changes.
877 (dump_omp_region): Dump regions with block numbers.
878 (new_omp_region): Take type and block instead of stmt; malloc
880 (free_omp_region_1, free_omp_regions): New.
881 (expand_parallel_call): Take entry_stmt as argument; update for
882 changes to omp_region.
883 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
884 (remove_exit_barriers): New.
885 (expand_omp_parallel): Update for struct omp_region changes.
886 (expand_omp_synch): Likewise.
887 (expand_omp): Likewise.
888 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
889 (expand_omp_for_static_chunk): Likewise.
890 (expand_omp_for): Likewise.
891 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
892 (expand_omp_sections): Similarly, with GOMP_sections_end.
893 (expand_omp_single): New.
894 (build_omp_regions_1): Update for OMP_CONTINUE.
895 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
896 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
897 OMP_SECTIONS_SECTIONS.
898 (lower_omp_single_simple): Don't emit barrier here.
899 (lower_omp_single_copy): Likewise.
900 (lower_omp_single): Fix bindings, and lower to straightline now.
901 (lower_omp_master, lower_omp_ordered): Likewise.
902 (lower_omp_critical): Likewise.
903 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
904 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
905 omp edges, free it afterward.
906 (make_omp_sections_edges): Remove.
907 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
908 (move_stmt_r): Handle OMP_CONTINUE.
909 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
910 statement pointers to basic blocks. Add type member.
911 (root_omp_region, new_omp_region, free_omp_regions): Declare.
912 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
913 * tree-inline.c (estimate_num_insns_1): Likewise.
914 * tree-pretty-print.c (dump_generic_node): Likewise.
915 * tree-ssa-operands.c (get_expr_operands): Likewise.
916 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
917 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
919 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
920 (OMP_SECTIONS_SECTIONS): Remove.
921 (OMP_SECTION_LAST): New.
922 (OMP_RETURN_NOWAIT): New.
924 2006-04-13 Roger Sayle <roger@eyesopen.com>
926 * fold-const.c (native_encode_vector, native_interpret_real):
927 Correct obvious mistakes in the previous check-in.
929 2006-04-13 Roger Sayle <roger@eyesopen.com>
931 * fold-const.c (native_encode_expr): New function to encode
932 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
933 or VECTOR_CST into a specified buffer.
934 (native_encode_int): New function.
935 (native_encode_real): New function.
936 (native_encode_complex): New function.
937 (native_encode_vector): New function.
938 (native_interpret_expr): Inverse of native_encode_expr to convert
939 a target representation into an INTEGER_CST, REAL_CST etc...
940 (native_interpret_int): New function.
941 (native_interpret_real): New function.
942 (native_interpret_complex): New function.
943 (native_interpret_vector): New function.
944 (fold_view_convert_expr): New function to constant fold/evaluate
945 a VIEW_CONVERT_EXPR of a suitable constant expression.
946 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
947 Change call of build1 to fold_build1 when constructing a
950 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
951 Ulrich Weigand <uweigand@de.ibm.com>
954 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
957 2006-04-13 Alan Modra <amodra@bigpond.net.au>
960 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
961 optimize to lo_sum for DFmode if !TARGET_FPRS.
963 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
965 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
966 delete_alias_info, compute_flow_sensitive_aliasing,
967 group_aliases): Use VEC instead of VARRAY.
968 * tree-ssa-structalias.c (update_alias_info): Likewise.
969 * tree-ssa-structalias.h (alias_info): Change the type of
970 processed_ptrs to VEC(tree,heap) *.
972 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
975 * config/sh/lib1funcs.h: New file, broken out of:
976 * config/sh/lib1funcs.asm.
977 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
979 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
980 * config/sh/lib1funcs-Os-4-200.asm: New file.
981 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
982 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
983 (EXTRA_MULTILIB_PARTS): Include it.
984 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
985 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
986 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
987 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
990 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
992 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
993 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
994 tpa_compact, root_var_init, type_var_init): Use VEC instead of
996 * tree-ssa-live.h: Include vecprim.h.
997 (tree_partition_associator_d): Change the type of
998 first_partition to VEC(int,heap) *.
999 (tpa_first_partition): Use VEC instead of VARRAY.
1001 * Makefile.in (GTFILES): Move functions.h after tree.h.
1002 * function.c (reset_block_changes, record_block_change,
1003 check_block_change, free_block_changes): Use VEC instead of
1005 * function.h (function): Change the type of
1006 ib_boundaries_block to VEC(tree,gc) *.
1007 * tree-inline.c (copy_cfg_body): Initialize
1008 ib_boundaries_block to NULL instead of (varray_type) 0.
1010 2006-04-12 Roger Sayle <roger@eyesopen.com>
1012 * expr.c (emit_group_store): Correct operand order in call to
1013 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1014 a SUBREG_BYTE of zero.
1016 2006-04-12 Richard Guenther <rguenther@suse.de>
1018 * profile.c (compute_branch_probabilities): Remove code
1019 encapsulated in !ir_type (), which are remanents of the
1020 removed RTL profiling code.
1021 * rtl-profile.c: Remove.
1023 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1025 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1026 magic NULL_RTX comment.
1027 (function_arg): Store entire fp arg to mem if any part should go
1029 (rs6000_arg_partial_bytes): Adjust for above change.
1031 2006-04-11 Roger Sayle <roger@eyesopen.com>
1033 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1034 if it hasn't been initialized by dwarf2out_init.
1036 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1038 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1039 symbolic constants in branch patterns.
1041 2006-04-11 Roger Sayle <roger@eyesopen.com>
1043 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1045 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1047 PR rtl-optimization/27073
1048 * gcse.c (try_replace_reg): Revert last change. Continue to search
1049 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1052 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1054 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1055 aggregate types other than record and union types.
1056 (function_arg): Likewise.
1057 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1059 (function_value): In 64-bit mode, return objects that require it
1062 2006-04-11 Roger Sayle <roger@eyesopen.com>
1064 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1066 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1068 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1070 2006-04-03 Jeff Law <law@redhat.com>
1073 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1074 alias information too.
1076 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1078 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1080 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1083 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1084 (premark_used_types_helper): New.
1085 (premark_used_types): New.
1086 (gen_subprogram_die): Call premark_used_types.
1087 (prune_unused_types_walk): Do not prune perennial dies.
1088 * function.c (used_types_insert): New.
1089 * function.h (struct function): Add used_types_hash field.
1090 (used_types_insert): Add prototype.
1091 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1092 * c-parser.c (c_parser_cast_expression): Save casted types in used
1095 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1098 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1099 rs6000_explicit_options.float_gprs.
1101 2006-04-10 Roger Sayle <roger@eyesopen.com>
1103 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1104 from ix86_expand_vector_init_low_nonzero. Take an additional
1105 one_var argument indicating which element is non-zero. Support
1106 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1107 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1108 with one_var instead of ix86_expand_vector_init_low_nonzero.
1110 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1112 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1113 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1114 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1115 build/genextract.o): Depend on vecprim.h.
1116 * cfglayout.c, df-problems.c, function.c, genextract.c,
1117 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1118 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1122 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1124 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1125 Declare VECs of this type.
1126 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1127 (remove_children): Delete.
1128 (add_dwarf_attr): Use VEC routines.
1129 (add_AT_flag): Update for changes to add_dwarf_attr.
1130 (add_AT_int): Likewise.
1131 (add_AT_unsigned): Likewise.
1132 (add_AT_long_long): Likewise.
1133 (add_AT_vec): Likewise.
1134 (add_AT_string): Likewise.
1135 (add_AT_die_ref): Likewise.
1136 (add_AT_fde_ref): Likewise.
1137 (add_AT_loc): Likewise.
1138 (add_AT_loc_list): Likewise.
1139 (add_AT_addr): Likewise.
1140 (add_AT_lbl_id): Likewise.
1141 (add_AT_lineptr): Likewise.
1142 (add_AT_macptr): Likewise.
1143 (add_AT_offset): Likewise.
1144 (add_AT_range_list): Likewise.
1145 (get_AT): Use VEC_iterate.
1146 (remove_AT): Use VEC_ordered_remove.
1147 (free_die): Fold remove_children into here; have it use VEC_iterate.
1148 (print_die): Use VEC_iterate on attrs.
1149 (reverse_die_lists): Don't reverse attr lists.
1150 (die_checksum): Use VEC_iterate on attrs.
1151 (same_die_p): Likewise.
1152 (output_location_lists): Likewise.
1153 (build_abbrev_table): Likewise.
1154 (size_of_die): Likewise.
1155 (unmark_all_dies): Likewise.
1156 (output_abbrev_section): Likewise.
1157 (output_die): Likewise.
1158 (prune_unused_types_walk_attribs): Likewise.
1160 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1162 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1164 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1167 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1169 2006-04-09 Roger Sayle <roger@eyesopen.com>
1171 * expr.c (store_constructor): Don't bother clearing target if
1172 we're about to assign a vector to it using vec_init_optab.
1174 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1176 * tree-ssa-alias.c (lhs_may_store_to): New function.
1177 (recalculate_used_alone): Handle LHS of calls.
1179 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1183 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1184 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1185 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1186 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1187 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1188 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1189 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1190 stubs. Add ".align 8" directives before all ".dword" directives.
1191 (GTHREAD_USE_WEAK): Revise comment.
1192 (TARGET_ATTRIBUTE_WEAK): Define.
1193 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1194 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1195 * stublib.c: New file.
1200 * pa.md (cbranch patterns): Revise arguments used in calls to
1201 output_cbranch, output_bb and output_bvd. Add long branch length
1203 (fbranch patterns): Handle long branches.
1204 (jump): Revise length check. Revise arguments for output_lbranch call.
1205 Add long branch length attributes.
1206 (decrement_and_branch_until_zero): Add long branch length attributes.
1207 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1208 Likewise. Revise arguments for output_parallel_addb and
1209 output_parallel_movb calls.
1210 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1211 output_parallel_movb and output_parallel_addb): Update prototypes.
1212 * pa.c (output_cbranch): Revise arguments. Correct handling of
1213 nullification in long branches.
1214 (output_lbranch): Add new argument to control extraction of delay
1216 (output_bb): Handle long branches.
1217 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1218 output_parallel_addb): Likewise.
1220 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1222 PR rtl-optimization/27073
1223 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1226 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1228 * tree.h (tree_memory_tag): Add old_used_alone.
1229 (SMT_OLD_USED_ALONE): New macro.
1230 * tree-ssa-alias.c (recalculate_used_alone): Stop
1231 marking things for renaming unnecessarily.
1233 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1235 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1236 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1237 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1238 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1239 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1240 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1241 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1242 spelling convensions.
1243 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1244 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1245 typos. Follow spelling conventions.
1247 2006-04-07 DJ Delorie <dj@redhat.com>
1249 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1250 passed on the stack.
1251 (m32c_init_cumulative_args): When a function returns a structure,
1252 always pass the pointer to that return area on the stack.
1253 (m32c_function_arg_advance): Don't increment the parameter number
1254 if we're processing the returned structure pointer.
1255 (pushm_info): Reverse order of registers.
1257 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1259 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1260 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1261 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1262 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1264 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1265 chrec_fold_multiply): Same.
1266 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1267 force_expr_to_var_cost): Same.
1268 * tree-mudflap.c (mf_xform_derefs_1): Same.
1269 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1271 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1273 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1274 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1277 2006-04-07 Jan Hubicka <jh@suse.cz>
1279 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1281 2006-04-07 Richard Guenther <rguenther@suse.de>
1283 PR tree-optimization/26135
1284 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1285 loads for store copy-prop.
1286 (copy_prop_visit_stmt): Likewise.
1288 2006-04-05 Robert Millan <robertmh@gnu.org>
1290 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1291 being overriden in config/k*bsd-gnu.h.
1292 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1294 * gcc/config/knetbsd-gnu.h: Ditto.
1296 2006-04-06 Jan Hubicka <jh@suse.cz>
1300 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1303 2006-04-06 Mike Stump <mrs@apple.com>
1305 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1306 for HAVE_nonlocal_goto to be consistent.
1307 (expand_builtin_nonlocal_goto): Likewise.
1308 (expand_builtin_strcmp): Use #ifdef instead of #if
1309 for HAVE_cmpstrnsi to be consistent.
1311 2006-04-05 DJ Delorie <dj@redhat.com>
1313 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1316 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1318 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1319 got-relative addressing for anything but SImode.
1321 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1322 even if the calling function doesn't modify them.
1324 2006-04-05 Richard Guenther <rguenther@suse.de>
1326 PR tree-optimization/26919
1327 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1328 to cgraph_estimate_size_after_inlining.
1330 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1332 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1334 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1336 PR tree-optimization/26996
1337 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1338 VECTOR_TYPE variables.
1340 2006-04-05 Richard Guenther <rguenther@suse.de>
1342 PR tree-optimization/26763
1343 * fold-const.c (fold_comparison): Move folding of
1344 PTR + CST CMP PTR + CST ...
1345 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1347 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1349 * doc/install.texi (Prerequisites): Refine some wording on
1350 bootstrapping and ksh.
1351 Move the version numbers of DejaGnu here from the testing section
1352 and fix casing of names.
1353 Fix markup and clarify wording for autogen requirements.
1354 Refer to GCJ instead of just java.
1355 Refer to SVN instead of CVS.
1356 Describe diffutils as useful instead of necessary.
1357 (Downloading the source): Refer to SVN instead of CVS.
1358 Adjust a link to our web site accordingly.
1359 (Configuration): Fix casing of Bison.
1360 (Building): Refer to SVN instead of CVS.
1361 Fix a sentence on the use of Bison and remove duplicate (and
1362 incorrect) version number of Bison requirement.
1363 Remove one redundant list of packages needed for building.
1364 (Specific): Avoid reference to CVS.
1366 2006-04-04 Eric Christopher <echristo@apple.com>
1368 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1369 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1370 (rs6000_handle_struct_attribute): New.
1371 (rs6000_ms_bitfield_layout_p): Ditto.
1373 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1375 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1376 NULL for dso parameter to atexit_common.
1378 2006-04-04 Eric Christopher <echristo@apple.com>
1380 * config/i386/i386.c (machopic_output_stub): Output \t
1381 between instructions and operands.
1383 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1385 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1386 satisfies_constraint_[IL] to explicit tests on value.
1388 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1390 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1391 set_nb_iterations_in_loop): Use build_int_cst instead of
1393 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1394 build_int_cst instead of convert.
1396 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1398 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1399 new value 2 for incoming.
1400 * function.c (expand_function_start): Call struct_value_rtx
1402 * config/sparc/sparc.md: Comment updated_return.
1403 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1404 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1405 struct return if sparc_std_struct_return and incoming is 2.
1406 (print_operand): Do not adjust return if
1407 sparc_std_struct_return.
1409 2006-04-04 Roger Sayle <roger@eyesopen.com>
1411 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1412 convert in the middle-end.
1413 * expr.c (store_expr, store_constructor, get_inner_reference,
1414 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1416 * tree.c (build_range_type): Likewise.
1418 2006-04-04 Tom Tromey <tromey@redhat.com>
1420 * doc/install.texi (Prerequisites): Mention jar.
1422 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1424 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1427 2006-04-04 Matthias Klose <doko@debian.org>
1429 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1430 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1433 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1435 * doc/extend.texi (Function Attributes): Rewrite visibility
1436 attribute documentation.
1437 * doc/invoke.texi (C++ Dialect Options): Rewrite
1438 -fvisibility-inlines-hidden documentation to describe something
1439 entirely different, although in practise compatible.
1440 (Code Gen Options): Warn about system headers in -fvisibiltity=
1443 * doc/extend.texi (Other Builtins): Document that
1444 __builtin_nan is a compile-time constant only when its argument
1447 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1449 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1450 trying to remove TRUNCATE check if all bits outside the new mode
1451 are identical to the sign bit.
1453 2006-04-03 Jeff Law <law@redhat.com>
1455 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1456 and operand scanning in some common cases.
1458 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1459 Dale Johannesen <dalej@apple.com>
1462 * regclass.c (struct reg_pref): Update documentation.
1463 (regclass): Set prefclass to NO_REGS if memory is the best option.
1464 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1465 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1466 into account. For non-registers, equate an empty preferred
1467 reload class to a `!' in the constraint; move the if clause to
1468 do so after those that reject the insn.
1469 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1471 (find_dummy_reload): Likewise.
1472 * doc/tm.texi (Register Classes): Document what it means
1473 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1474 * config/i386/i386.c (ix86_preferred_reload_class): Force
1475 using SSE registers (and return NO_REGS for floating-point
1476 constants) if math is done with SSE.
1477 (ix86_preferred_output_reload_class): New.
1478 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1479 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1480 * config/i386/i386.md: Remove # register preferences.
1482 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1485 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1486 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1487 the type of nb_iter.
1488 (instantiate_parameters_1): Convert the operands before calling
1489 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1490 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1492 2006-04-02 Roger Sayle <roger@eyesopen.com>
1494 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1495 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1497 * dojump.c (do_jump): Likewise.
1498 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1499 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1500 gimplify_boolean_expr): Likewise.
1501 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1502 * varasm.c (array_size_for_constructor): Likewise.
1503 * tree-object-size.c (compute_object_offset): Likewise.
1505 2006-04-02 Roger Sayle <roger@eyesopen.com>
1508 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1509 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1511 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1513 PR tree-optimization/26939
1514 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1516 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1518 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1519 at_stmt. Convert the type of operands before calling
1520 build_polynomial_chrec.
1521 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1523 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1524 (instantiate_parameters_1): Convert the type of operands before calling
1525 build_polynomial_chrec.
1526 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1527 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1528 reset_evolution_in_loop): Insert asserts to check the types of the
1530 (chrec_type): Moved...
1531 (eq_evolutions_p): Use operand_equal_p.
1532 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1533 the types of the operands.
1534 (chrec_type): ...here.
1535 * tree-data-ref.c (create_data_ref): Convert the operands before
1536 calling chrec_replace_initial_condition.
1537 (same_access_functions, analyze_subscript_affine_affine,
1538 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1539 (compute_subscript_distance, analyze_ziv_subscript,
1540 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1541 analyze_miv_subscript): Convert the operands before calling
1542 chrec_fold_minus or chrec_fold_plus.
1544 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1546 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1547 the dependence_relations vector.
1548 (compute_data_dependences_for_loop): Adjust call to
1549 compute_all_dependences.
1551 2006-04-01 Roger Sayle <roger@eyesopen.com>
1552 Richard Henderson <rth@redhat.com>
1554 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1555 gimple_boolify on the condition before calling gimplify_expr.
1557 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1559 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1560 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1561 the frame size. Update to use the new macros.
1562 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1563 * config/xtensa/ieee754-df.S: Likewise.
1565 2006-03-31 Richard Henderson <rth@redhat.com>
1567 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1568 (make_edges): ... here. Control fallthru creation with a local
1569 variable. Do not play with fake edges.
1570 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1571 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1574 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1576 * dwarf2.h (DW64_CIE_ID): Define.
1577 * dwarf2out.c (DWARF_CIE_ID): Define.
1578 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1579 length header. Use DWARF_CIE_ID.
1580 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1581 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1583 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1585 * config/sh/linux-atomic.asm: New file.
1586 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1588 2006-03-31 DJ Delorie <dj@redhat.com>
1590 * config/m32c/cond.md: Set condition flags properly throughout.
1591 * config/m32c/minmax.md: Likewise.
1592 * config/m32c/prologue.md: Likewise.
1593 * config/m32c/bitops.md: Likewise.
1594 * config/m32c/muldiv.md: Likewise.
1595 * config/m32c/mov.md: Likewise.
1596 * config/m32c/addsub.md: Likewise.
1597 * config/m32c/m32c.md: Likewise.
1598 * config/m32c/jump.md: Likewise.
1599 * config/m32c/shift.md: Likewise.
1601 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1602 conditionally output the pattern for this.
1603 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1604 (m32c_compare_redundant): New.
1605 (m32c_output_compare): New.
1606 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1608 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1609 dest, not src. Allow other 4-byte modes.
1611 2006-03-30 Denis Chertykov <denisc@overta.ru>
1613 * doc/md.texi: Refer to avr/constraints.md instead of
1616 2006-03-30 Roger Sayle <roger@eyesopen.com>
1618 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1619 signed vs. unsigned comparison failures on some hosts.
1621 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1624 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1625 change to FLOAT_REGS.
1627 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1628 (rs6000_override_options): Use it.
1629 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1630 only for -mabi=spe/no-spe and -mabi=altivec.
1632 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1634 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1637 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1639 * Makefile.in: Rename docdir to gcc_docdir.
1641 2006-03-30 Roger Sayle <roger@eyesopen.com>
1644 * expr.c (emit_group_store): Optimize group stores into a pseudo
1645 register by using a paradoxical subreg to initialize the destination
1646 if the first or last member of the group specifies a "low part".
1648 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1651 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1652 * target.h (struct gcc_target.speculate_insn): Change type of the
1653 second parameter to 'int'.
1654 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1655 the second operand of the DEPS_LIST.
1656 (copy_DEPS_LIST_list): Update reference to the second operand of the
1658 * rtl.h (alloc_DEPS_LIST): Update signature.
1659 * sched-int.h (ds_t): Change typedef to 'int'.
1660 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1662 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1664 * haifa-sched.c (try_ready): Change condition to restore
1665 non-speculative pattern of the instruction.
1666 (process_insn_depend_be_in_spec): Code to keep probability of the
1667 speculative dependence non-decreasing.
1669 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1671 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1672 (single_move_for_movmem): ... this. Also change all uses.
1673 (bfin_expand_strmov): Renamed to...
1674 (bfin_expand_movmem): ... this. Also change all uses.
1675 * config/bfin/bfin.md (movstrsi): Renamed to...
1676 (movstrsi): ...this.
1678 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1680 PR tree-optimization/26830
1682 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1683 (copy_prop_visit_stmt): Remove write-only variable ann.
1684 (init_copy_prop): Check variable loop depth here. Do not simulate
1685 memory-tag and virtual operand PHIs except for store copy prop.
1687 2006-03-30 Richard Guenther <rguenther@suse.de>
1689 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1690 variants with double arguments.
1692 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1694 * genpreds.c (write_tm_constrs_h): Delete variable p.
1695 * genconditions.c (write_header): Add tm-constrs.h to included
1697 * genpeep.c (main): Add toplev.h to included headers.
1698 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1699 (build/genpeep.o): Add toplev.h dependency.
1700 * config/rs6000/constraints.md: Add "W" constraint.
1702 2006-03-29 Roger Sayle <roger@eyesopen.com>
1704 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1705 sizes by correctly testing whether the size fits a host integer.
1706 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1707 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1708 SImode range for the default sizetype and bitsizetype.
1710 2006-03-29 Roger Sayle <roger@eyesopen.com>
1712 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1713 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1714 quickly if the argument is already of the correct type.
1715 Call fold_build1 instead of build1. Tidy up blank lines.
1717 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1719 * genemit.c (main): Add tm-constrs.h to included headers.
1720 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1721 * genpeep.c (main): Add tm-constrs.h to included headers.
1722 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1723 (write_tm_constrs_h): this and write complete file.
1724 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1725 (write_insn_preds_c): Add tm-constrs.h to included headers.
1726 (gen_constrs): New variable.
1727 (parse_option): Parse "-c".
1728 (main): Invoke write_tm_constrs_h.
1729 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1730 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1731 (object_out_file): Add tm-constrs.h dependency.
1732 (insn-emit.o): Same.
1733 (insn-output.o): Same.
1734 (insn-peep.o): Same.
1735 (insn-preds.o): Same.
1736 (insn-recog.o): Same.
1737 (tm-constsr.h): New target.
1738 (s-constrs-h): New target.
1740 * config/rs6000/constraints.md: New file.
1741 * config/rs6000/rs6000.c: Include tm-constrs.h.
1742 (num_insn_constant_wide): Convert to satisfies_constraint.
1743 (rs6000_rtx_costs): Convert to satisfies_constraint.
1744 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1745 (CONST_OK_FOR_LETTER_P): Delete.
1746 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1747 (EXTRA_CONSTRAINT): Delete.
1748 (EXTRA_MEMORY_CONSTRAINT): Delete.
1749 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1750 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1751 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1752 satisfies_constraint.
1754 * config/i386/i386.c: Include tm-constrs.h.
1756 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1758 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1759 * tree-data-ref.c (find_data_references_in_loop,
1760 compute_data_dependences_for_loop): Use pointers to VEC.
1761 (analyze_all_data_dependences): Adjust calls.
1762 * tree-data-ref.h (find_data_references_in_loop,
1763 compute_data_dependences_for_loop): Adjust declarations.
1764 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1765 compute_data_dependences_for_loop.
1767 2006-03-29 Paul Brook <paul@codesourcery.com>
1769 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1772 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1774 PR tree-optimization/26859
1775 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1777 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1778 for the step after fold_convert.
1780 2006-03-29 Paul Brook <paul@codesourcery.com>
1782 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1783 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1785 2006-03-29 Paul Brook <paul@codesourcery.com>
1788 * targhooks.c (default_narrow_bitfield): New fuction.
1789 * targhooks.h (default_narrow_bitfield): add prototype.
1790 * target.h (gcc_target): Add narrow_volatile_bitfield.
1791 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1792 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1793 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1794 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1796 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1798 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1800 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1801 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1802 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1803 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1804 (s390_function_arg_float): Allow SDmode and DDmode values to be
1805 passed in floating point registers.
1806 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1807 check with SCALAR_FLOAT_MODE_P.
1808 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1810 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1812 PR tree-optimization/25985
1813 * tree-ssa-loop-niter.c (number_of_iterations_le,
1814 number_of_iterations_ne): Make comments more precise.
1815 (number_of_iterations_cond): Add only_exit argument. Use the
1816 fact that signed variables do not overflow only when only_exit
1818 (loop_only_exit_p): New.
1819 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1820 number_of_iterations_cond.
1822 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1824 PR tree-optimization/26643
1825 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1828 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1830 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1831 (divsi3_i4_int): Likewise.
1833 2006-03-28 Roger Sayle <roger@eyesopen.com>
1835 * expr.c (emit_group_store): Only create a new pseudo reg if the
1836 quantity it needs to hold isn't already a suitable pseudo.
1838 2006-03-28 Jeff Law <law@redhat.com>
1840 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1841 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1843 2006-03-28 Roger Sayle <roger@eyesopen.com>
1845 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1846 the equivalent ~X & Y, and the symmetry related transformations.
1847 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1848 ~X & Y, and symmetry related transforms.
1850 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1852 Revert my 2006-03-27 patches.
1854 2006-03-28 Roger Sayle <roger@eyesopen.com>
1856 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1857 ~(T1)X, when T1 and T2 are integer types of the same precision
1858 and (T2)X isn't an extension.
1860 2006-03-28 Jeff Law <law@redhat.com>
1862 PR tree-optimization/26796
1863 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1864 need EH edge cleanups rather than purging them immediately.
1865 (eliminate_degenerate_phis): Handle queued EH cleanups.
1867 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1869 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1872 2006-03-27 Roger Sayle <roger@eyesopen.com>
1875 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1876 cast BIT_NOT_EXPR operand to the correct type.
1878 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1880 * tree-loop-linear.c: Don't include varray.h.
1881 (gather_interchange_stats, try_interchange_loops,
1882 linear_transform_loops): Use VEC instead of VARRAY.
1883 * lambda-mat.c: Don't include varray.h.
1884 * tree-chrec.c: Same.
1885 * lambda-trans.c: Same.
1886 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1887 VEC instead of VARRAY.
1888 * tree-vectorizer.h: Idem.
1889 * tree-data-ref.c (dump_data_references,
1890 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1891 initialize_data_dependence_relation, finalize_ddr_dependent,
1892 compute_all_dependences, find_data_references_in_loop,
1893 compute_data_dependences_for_loop, analyze_all_data_dependences,
1894 free_dependence_relation, free_dependence_relations,
1895 free_data_refs): Idem.
1896 * tree-data-ref.h (data_reference_p, subscript_p): New.
1897 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1898 VEC instead of VARRAY.
1899 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1900 (find_data_references_in_loop, compute_data_dependences_for_loop,
1901 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1902 dump_data_dependence_relations, free_dependence_relations,
1903 free_data_refs): Adjust declaration.
1904 (lambda_transform_legal_p): Move declaration here...
1905 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1906 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1907 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1908 vect_analyze_data_refs): Use VEC instead of VARRAY.
1909 * lambda.h (lambda_transform_legal_p): ...from here.
1910 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1911 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1912 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1913 tree-chrec.o): Don't depend on VARRAY_H.
1915 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1917 * rtl.def (Copyright): Update date.
1918 (DEPS_LIST): Change type of the second operand to 'int'.
1919 * target.h (Copyright): Update date.
1920 (struct gcc_target.speculate_insn): Change type of the second parameter
1922 * lists.c (Copyright): Update date.
1923 (alloc_DEPS_LIST): Change signature. Update reference to the second
1924 operand of the DEPS_LIST.
1925 (copy_DEPS_LIST_list): Update reference to the second operand of the
1927 * rtl.h (Copyright): Update date.
1928 (alloc_DEPS_LIST): Update signature.
1929 * sched-int.h (Copyright): Update date.
1930 (ds_t): Change typedef to 'int'.
1931 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1933 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1935 * haifa-sched.c (Copyright): Update date.
1936 (try_ready): Change condition to restore non-speculative pattern
1938 (process_insn_depend_be_in_spec): Code to keep probability of the
1939 speculative dependence non-decreasing.
1941 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1943 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1944 shut up the compiler.
1946 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1948 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1949 to use lib prefix for target.
1950 ($(T)libic_invalidate_array_4-200.a): Likewise.
1951 ($(T)libic_invalidate_array_4a.a): Likewise.
1953 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1954 J"orn Rennecke <joern.rennecke@st.com>
1956 * superh.opt: New file.
1957 * sh.c (boardtype, osruntime): Remove.
1958 * superh.h (SUBTARGET_OPTIONS): Remove.
1959 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1961 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1962 arguments with ^ and/or [].
1964 * config.gcc (sh-*-*): Add quoting to account for quirk of
1966 Replace == with = in enable_incomplete_targets test.
1968 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1969 with MASK_LITTLE_ENDIAN.
1971 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1972 * config/sh/sh.opt: Added to some comments.
1973 * config/sh/superh.h: Removed some chaff.
1975 * config/sh/sh.opt: Add m4-[1234]00* options.
1976 * config/sh/sh.c (sh_handle_option): Likewise.
1977 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1978 (ic_invalidate_array_4-100.o): New rule.
1979 ($(T)libic_invalidate_array_4-100.a): Likewise.
1980 (ic_invalidate_array_4-200.o): Likewise.
1981 ($(T)libic_invalidate_array_4-200.a): Likewise.
1982 (ic_invalidate_array_4a.o): Likewise.
1983 ($(T)libic_invalidate_array_4a.a): Likewise.
1984 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1985 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1987 * config/sh/crt1.asm: Merged in profiling code.
1988 * config/sh/superh.h (STARTFILE_SPEC): Override.
1989 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1990 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1991 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1993 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1994 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1995 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1997 * sh.opt (mpretend-cmove): New option.
1998 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1999 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2000 (movsicc): Add TARGET_PRETEND_CMOVE code.
2002 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2004 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2005 s390_class_max_nregs): New function prototypes.
2006 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2007 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2008 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2009 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2011 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2013 * dwarf2out.c (add_location_or_const_value_attribute): Call
2014 tree_add_const_value_attribute if nothing else works.
2015 (reference_to_unused): New.
2016 (rtl_for_decl_init): Use reference_to_unused to decide whether
2017 to output an initializer.
2019 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2022 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2023 peephole removing spe frob_di_df_2.
2025 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2027 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2028 (subscript_dependence_tester_1): Declared.
2029 (print_dir_vectors, print_dist_vectors): New.
2030 (debug_data_dependence_relation): New.
2031 (dump_data_dependence_relation): Print more details.
2032 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2033 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2034 (save_dist_v, save_dir_v, add_outer_distances,
2035 build_classic_dist_vector_1): New.
2036 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2037 Don't test for lambda_vector_lexico_pos.
2038 (same_access_functions, add_multivariate_self_dist,
2039 add_other_self_distances, dir_from_dist): New.
2040 (build_classic_dir_vector): Replace implementation almost identical to
2041 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2043 (subscript_dependence_tester_1): New.
2044 (subscript_dependence_tester): Handle the lexicographically negative
2045 distance vectors by recomputing the dependence relation.
2046 (compute_affine_dependence): Remove parameter loop_nest_depth.
2047 (compute_self_dependence): Don't call compute_subscript_distance.
2048 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2049 Add a parameter for the loop_nest.
2050 (find_loop_nest_1, find_loop_nest): New.
2051 (compute_data_dependences_for_loop): Compute the loop nest, and give
2052 up if the nest is not well formed.
2053 * tree-data-ref.h (loop_p): New.
2054 (struct data_dependence_relation): Replace size_vect field with
2055 loop_nest, a vec of loops.
2056 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2057 (DDR_LOOP_NEST): New.
2058 (print_dir_vectors, print_dist_vectors,
2059 debug_data_dependence_relation): Declared.
2060 (index_in_loop_nest): New.
2061 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2062 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2065 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2067 * simplify-rtx.c (simplify_relational_operation): Call
2068 simplify_relational_operation_1 even if mode is VOIDmode.
2070 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2072 PR tree-optimization/26804
2073 * tree.h (DECL_CALL_CLOBBERED): New macro.
2074 (tree_decl_common): Add call_clobbered_flag.
2075 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2076 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2077 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2078 (mark_non_addressable): Ditto.
2079 * tree-ssa.c (verify_call_clobbered): New function.
2080 (verify_alias_info): Use it.
2081 * tree-pass.h (pass_reset_cc_flags): New prototype.
2082 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2083 (reset_cc_flags): New function.
2084 * passes.c (init_optimization_passes): Call reset_cc_flags after
2085 initializing referenced_vars.
2087 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2088 Roger Sayle <roger@eyesopen.com>
2091 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2092 to 1.0 for non-real operands. Implement A / A optimization for
2095 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2097 * config/i386/i386.c (size_cost): Correct the comment for
2098 cost of storing fp registers.
2099 (i386_cost): Likewise.
2100 (i486_cost): Likewise.
2101 (pentium_cost): Likewise.
2102 (pentiumpro_cost): Likewise.
2103 (k6_cost): Likewise.
2104 (athlon_cost): Likewise.
2105 (k8_cost): Likewise.
2106 (pentium4_cost): Likewise.
2107 (nocona_cost): Likewise.
2108 (generic64_cost): Likewise.
2109 (generic32_cost): Likewise.
2111 2006-03-24 Denis Chertykov <denisc@overta.ru>
2113 * config/avr/avr-protos.h (extra_constraint): Delete.
2114 (extra_constraint_Q): New declaration.
2115 * config/avr/constraints.md: New file.
2116 * config/avr/avr.md: Include it.
2117 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2118 (TMP_REGNO, ZERO_REGNO): Likewise.
2119 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2120 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2121 (extra_constraint): Delete.
2122 (extra_constraint_Q): Test for memory constraint 'Q'.
2123 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2124 (REG_CLASS_FROM_LETTER): Delete.
2125 (CONST_OK_FOR_LETTER_P): Delete.
2126 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2127 (EXTRA_CONSTRAINT): Delete.
2128 (TMP_REGNO): Delete.
2129 (ZERO_REGNO): Delete.
2131 2006-03-24 Jeff Law <law@redhat.com>
2133 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2134 directly. Call mark_new_vars_to_rename slightly earlier.
2136 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2138 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2140 (gen_compile_unit_die): Use new language types for Objective-C and
2142 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2143 DW_LANG_C_plus_plus.
2146 * config/t-darwin (crt3.o): Work around bug 26840.
2147 * config/darwin-crt3.c: Rewrite.
2148 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2150 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2152 * doc/invoke.texi: Document -femit-class-debug-always
2153 * common.opt: Add -femit-class-debug-always.
2155 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2157 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2158 index and base register.
2159 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2160 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2161 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2162 REGNO_OK_FOR_INDEX_P.
2163 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2165 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2166 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2167 REG_OK_FOR_BASE_P): Definitions removed.
2169 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2172 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2173 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2174 set yet or weren't marked as local yet.
2176 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2178 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2181 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2183 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2184 (rs6000_legitimate_small_data_p): Delete.
2185 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2186 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2187 and make static. Add forward declaration. Update uses.
2188 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2189 of offsettable_memref_p.
2190 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2191 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2193 2006-03-24 Jeff Law <law@redhat.com>
2195 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2196 around bug in immediate-use iterator.
2198 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2201 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2202 or __LITTLE_ENDIAN__.
2204 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2206 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2207 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2208 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2209 * config/sh/sh.opt (mdiv=): Amend description.
2210 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2211 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2212 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2213 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2214 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2215 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2216 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2217 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2218 TARGET_DIVIDE_CALL_FP.
2220 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2222 * haifa-sched.c (choose_ready): Fix type of the local variable.
2223 Move local variables. Add comment.
2224 (check_reg_live): Change signature. Make callable from debugger.
2225 * sched-int.h (check_reg_live): Update signature.
2226 * sched-ebb.c (check_reg_live): Update parameters.
2227 * sched-rgn.c (check_reg_live): Ditto.
2228 (region_head_or_leaf_p): Check pointer before dereferencing.
2229 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2230 before reload on optimization levels below 1.
2232 2006-03-23 Richard Henderson <rth@redhat.com>
2234 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2238 * config/alpha/predicates.md (local_symbolic_operand): Reject
2241 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2244 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2245 expressions which have overflowed constants.
2247 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2249 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2251 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2253 * cfgloopmanip.c (create_loop_notes): Removed.
2254 * final.c (final_scan_insn): Do not handle loop notes.
2255 * jump.c (squeeze_notes): Ditto.
2256 * cfglayout.c (skip_insns_after_block,
2257 duplicate_insn_chain): Ditto.
2258 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2260 * cfgloop.h (create_loop_notes): Declaration removed.
2262 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2264 * varasm.c (output_constant_pool): Restore fnname and fndecl
2266 (assemble_start_function): Adjust call accordingly.
2267 (assemble_end_function): Likewise.
2269 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2272 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2275 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2277 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2280 * system.h (ICE_EXIT_CODE): New macro.
2281 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2282 (diagnostic_action_after_output): Likewise.
2283 * gcc.c (fatal_ice): New function.
2284 (execute): Use it instead of fatal.
2285 (fancy_abort): Likewise.
2286 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2288 2006-03-22 Jeff Law <law@redhat.com>
2290 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2291 iv_analyze_result returning false.
2293 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2295 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2297 2006-03-22 Richard Henderson <rth@redhat.com>
2300 * except.c (duplicate_eh_regions_0): New.
2301 (duplicate_eh_region_1): Duplicate the children of the node as
2302 well as the node itself. Link them up properly.
2303 (duplicate_eh_region_2): Merge into ...
2304 (duplicate_eh_regions): ... here. Take copy_region argument, and
2305 copy only a sub-tree if asked. Simplify copying and fixup.
2306 (eh_region_outer_p): New.
2307 * except.h (duplicate_eh_regions): Update decl.
2308 (eh_region_outer_p): Declare.
2309 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2310 (lower_omp_master): Likewise.
2311 (lower_omp_ordered): Likewise.
2312 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2313 (move_stmt_r): Use it to remap labels. Handle recursion vs
2314 remap_decls_p properly.
2315 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2316 (find_outermost_region_in_block): New.
2317 (new_label_mapper): New.
2318 (move_sese_region_to_fn): Copy eh information to the new function
2320 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2322 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2325 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2327 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2328 into shared libraries.
2330 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2332 * doc/md.texi: Refer to i386/constraints.md instead of
2334 * config/i386/constraints.md: New file, extracted from...
2335 * config/i386/predicates.md: ...here.
2336 * config/i386/i386.md: Include constraints.md.
2338 2006-03-21 Jason Merrill <jason@redhat.com>
2340 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2343 * expr.c (init_block_move_fn): Force default visibility.
2344 (init_block_clear_fn): Likewise.
2345 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2346 * targhooks.c (default_external_stack_protect_fail): Likewise.
2348 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2350 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2351 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2352 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2353 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2354 (loadgp): Use mips_current_loadgp_style.
2355 (loadgp_noshared): New pattern.
2356 (sibcall_internal): Use MIPS_CALL.
2357 (sibcall_value_internal): Likewise.
2358 (sibcall_value_multiple_internal): Likewise.
2359 (call_internal): Likewise.
2360 (call_value_internal): Likewise.
2361 (call_value_multiple_internal): Likewise.
2362 (call_split): Use MIPS_CALL and add an 'S' constraint.
2363 (call_value_split): Likewise.
2364 (call_value_multiple_split): Likewise.
2365 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2366 (-mshared): New option.
2367 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2368 (mips_current_loadgp_style): Declare.
2369 * config/mips/mips.c (mips_classify_symbol): Avoid using
2370 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2371 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2372 TARGET_ABSOLUTE_ABICALLS.
2373 (override_options): Adjust comments. Improve the warning that is
2374 issued when -mabicalls and -G are used together.
2375 (mips_file_start): Remove comment.
2376 (mips_current_loadgp_style): New function.
2377 (mips_gnu_local_gp): New variable.
2378 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2380 (mips_output_function_prologue): Use mips_current_laodgp_style.
2381 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2382 the cprestore instruction.
2383 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2384 live for TARGET_ABSOLUTE_ABICALLS.
2385 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2386 (ASM_SPEC): Pass down -mshared and -mno-shared.
2387 (MIPS_CALL): New macro.
2388 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2390 * doc/invoke.texi (-mabicalls): Update documentation.
2391 (-mshared): Document.
2393 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2395 * config/ia64/unwind-hpux.c: New file.
2396 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2398 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2401 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2403 2006-03-21 Jeff Law <law@redhat.com>
2405 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2406 type conversions of a VR_VARYING source to a wider type.
2408 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2410 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2411 tm_file on Solaris 10 and later.
2412 (sparc64-*-solaris2*): Likewise.
2413 (sparc-*-solaris2*): Likewise.
2414 * config/sol26.h: Rename to config/sol2-6.h.
2415 * config/sol2-10.h: New file.
2417 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2420 * tree-ssa-pre.c (create_component_ref_by_pieces):
2423 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2426 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2427 return it immediately.
2429 2006-03-21 Michael Matz <matz@suse.de>
2431 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2433 (remove_arc, add_arc): Update num_out_arcs member.
2434 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2436 (cache_presence): New function.
2437 (compare_states_for_equiv): New function.
2438 (state_is_differed): Don't take number of outargs, adjust callers.
2439 Use new invariant for speeding up.
2440 (init_equiv_class): Create initial classes based on sorted
2442 (partition_equiv_class): Don't track out_arcs_num.
2443 (evaluate_equiv_classes): Call cache_presence on all states and
2446 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2448 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2449 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2450 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2451 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2453 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2454 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2455 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2456 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2457 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2459 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2460 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2461 (REGNO_REG_CLASS): ARGP is in PREGS.
2462 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2464 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2465 to deal with those addresses.
2466 * addresses.h: New file.
2467 * caller-save.c: Include "addresses.h".
2468 (init_caller_save): Use new base_reg_class function.
2469 * rtl-factoring.c: Include "addresses.h".
2470 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2471 * recog.c: Include "addresses.h".
2472 (preprocess_constraints): Use new base_reg_class function.
2473 * regrename.c: Include "addresses.h".
2474 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2475 functions. Keep track of a new var INDEX_CODE to compute valid
2477 (replace_oldest_value_addr): Likewise.
2478 (replace_oldest_value_mem): Use base_reg_class.
2479 * reload.c: Include "addresses.h".
2480 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2481 (find_reloads): Use new base_reg_class function.
2482 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2483 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2484 all callers and prototype changed.
2485 * reload1.c: Include "addresses.h".
2486 (maybe_fix_stack_asms): Use base_reg_class.
2487 * regclass.c: Include "addresses.h".
2488 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2489 (init_reg_autoinc): Use new base_reg_class function.
2490 (record_reg_classes): Likewise.
2491 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2492 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2493 Use new args to compute necessary class.
2495 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2496 regrename.o, rtl-factoring.o): Update dependencies.
2497 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2498 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2499 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2500 REG_OK_FOR_INDEX_P): Delete documentation.
2502 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2504 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2505 from V7 to V9 for Solaris 7 and above.
2507 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2509 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2510 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2511 argument pointers may not alias any other storage.
2512 * common.opt: Define option -fargument-noalias-anything.
2513 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2514 alias semantics is specified by flag_argument_noalias > 2.
2516 2006-03-20 Jeff Law <law@redhat.com>
2518 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2519 (pass_phi_only_cprop): Declare.
2520 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2522 * tree-ssa-dom.c (degenerate_phi_result): New function.
2523 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2524 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2525 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2526 (eliminate_degenerate_phis): Likewise.
2527 (pass_phi_only_cprop): New pass descriptor.
2528 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2529 support code. Callers updated.
2530 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2531 (store_copy_prop): Likewise.
2532 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2534 2006-03-20 Jason Merrill <jason@redhat.com>
2537 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2538 (push_visibility, pop_visibility): Likewise.
2539 * c-pragma.h: Declare them.
2541 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2543 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2545 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2546 parameter and use get_ebb_head_tail.
2547 (sh_md_init_global): Adjust uses of find_regmode_weight.
2549 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2551 * function.h (struct function) <x_tail_recursion_reentry>:
2552 Rename to x_stack_check_probe_note.
2553 (tail_recursion_reentry): Rename to stack_check_probe_note.
2554 * function.c: Replace tail_recursion_reentry with
2555 stack_check_probe_note everywhere.
2556 (expand_function_start): Only emit a note for
2557 stack_check_probe_note with -fstack-protect.
2558 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2560 * emit-rtl.c (remove_unnecessary_notes): Remove.
2561 (pass_remove_unnecessary_notes): Remove.
2562 * rtl.h (remove_unnecessary_notes): Remove prototype.
2563 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2564 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2565 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2567 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2570 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2571 (valid_in_set): Handle ARRAY_REF.
2572 Change "if min_variant or VH" to asserts.
2573 (create_component_ref_by_pieces): Handle ARRAY_REF.
2574 (create_expression_by_pieces): Likewise.
2575 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2577 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2579 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2580 is operand of switch, not str[0].
2582 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2584 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2585 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2587 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2589 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2590 end of insn_extra_address_constraint declaration.
2592 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2594 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2595 (no-sum-in-toc): Same.
2596 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2598 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2599 NO_FP_IN_TOC for -fPIC instead of mask.
2601 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2602 (BOOT_LDFLAGS): Delete.
2604 * config/rs6000/t-aix52: Same.
2606 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2607 (stmsi[345678]_power): New.
2609 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2611 * config/ia64/ia64.opt: Add empty line to end of file.
2613 2006-03-17 Richard Guenther <rguenther@suse.de>
2616 * builtins.c (get_pointer_alignment): For component style references
2617 adjust alignment to the component type alignment. Make sure
2618 to adjust alignment for component access of constants.
2620 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2622 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2625 2006-03-17 Paul Brook <paul@codesourcery.com>
2627 * doc/install.texi: Docuemnt --with-mode.
2628 * config.gcc: Add --with-mode for arm*-*-*.
2629 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2631 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2633 * sh.c (max_labelno_before_reorg): New variable.
2634 (sh_reorg): Initialize it.
2635 (find_barrier): Check max_labelno_before_reorg before using
2636 label_to_alignment. Take length of explicit alignment insns
2637 into account. When seeing a UNSPECV_CONST_END, return it.
2639 * sh.c (fixup_mova): Set mode of affected label to QImode.
2640 (untangle_mova): New function.
2641 (find_barrier): Use it. Check mode of label before decrementing
2643 (sh_reorg): Likewise.
2644 Set mode of all insns back to VOIDmode.
2646 * sh.c (MOVA_LABELREF): New macro.
2647 (mova_p, fixup_mova, sh_reorg): Use it.
2648 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2649 ADDR_DIFF_VEC matches mova.
2651 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2653 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2654 with ATTRIBUTE_UNUSED.
2656 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2658 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2659 pointer, instead of assuming it is possible to derive the
2660 correct args size from a call insn.
2662 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2664 * rtl.h (CONST_INT_P): Define.
2665 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2666 instead of GET_CODE(x) == CONST_INT.
2667 (vax_rtx_costs): Likewise.
2668 (vax_output_int_move): Likewise.
2669 (vax_output_int_add): Likewise.
2670 (legitimate_constant_address_p): Likewise.
2671 (index_term_p): Likewise.
2672 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2673 * config/vax/vax.md (and<mode>3): Likewise.
2674 (ashrsi3): Likewise.
2676 (movstricthi): Likewise.
2677 (movstrictqi): Likewise.
2678 (rotrsi3): Likewise.
2679 (five unnamed insns): Likewise.
2681 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2683 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2684 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2685 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2686 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2687 Pass to ASM_OUTPUT_DWARF_OFFSET.
2688 * dwarf2out.c (debug_frame_section): New.
2689 (output_call_frame_info): Use debug_frame_section. Pass it to
2690 dw2_asm_output_offset.
2691 (output_die): Pass appropriate section to dw2_asm_output_offset.
2692 (output_compilation_unit_header): Likewise.
2693 (output_pubnames): Likewise.
2694 (output_aranges): Likewise.
2695 (enum dw_val_class): Break dw_val_class_lbl_offset into
2696 dw_val_class_lineptr and dw_val_class_macptr.
2697 (add_AT_lbl_offset): Delete.
2698 (add_AT_lineptr): New.
2699 (add_AT_macptr): New.
2700 (AT_lbl): Expect a lineptr or macptr.
2701 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2702 (attr_checksum): Likewise.
2703 (same_dw_val_p): Likewise.
2704 (size_of_die): Likewise.
2705 (value_format): Likewise.
2706 (output_die): Likewise.
2707 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2709 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2710 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2711 * config/darwin-protos.h (darwin_file_start): New.
2712 (darwin_asm_output_dwarf_offset): New.
2713 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2714 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2716 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2717 if not EH section; simplify.
2718 (darwin_file_start): New.
2719 (darwin_asm_output_dwarf_offset): New.
2720 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2722 (DEBUG_INFO_SECTION): Likewise.
2723 (DEBUG_ABBREV_SECTION): Likewise.
2724 (DEBUG_ARANGES_SECTION): Likewise.
2725 (DEBUG_MACINFO_SECTION): Likewise.
2726 (DEBUG_LINE_SECTION): Likewise.
2727 (DEBUG_LOC_SECTION): Likewise.
2728 (DEBUG_PUBNAMES_SECTION): Likewise.
2729 (DEBUG_STR_SECTION): Likewise.
2730 (DEBUG_RANGES_SECTION): Likewise.
2731 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2732 (ASM_OUTPUT_DWARF_OFFSET): New.
2734 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2736 * config.gcc (tm_defines): Always add to previous value rather
2739 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2741 * config/mips/predicates.md (splittable_const_int_operand): New,
2742 split from move_operand.
2743 (splittable_symbolic_operand): New.
2744 (move_operand): Add commentary. Use splittable_const_int_operand.
2745 Inline mips_atomic_symbolic_constant_p.
2746 * config/mips/mips.md: Add combine splitters for handling moves
2747 of splittable_const_int_operands and splittable_symbolic_operands.
2748 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2749 (mips_split_symbol): Declare.
2750 (mips_move_integer): Declare.
2751 * config/mips/mips.c (mips_split_p): Make global.
2752 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2753 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2754 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2755 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2756 (mips_offset_within_object_p): Handle block symbols.
2757 (mips_atomic_symbolic_constant_p): Delete.
2758 (mips_cannot_force_const_mem): Return false for constants that
2759 mips_legitimize_move can handle.
2760 (mips_use_blocks_for_constant_p): New function.
2761 (mips_split_symbol): Make global.
2762 (mips_move_integer): Likewise. Add a temporary register argument.
2763 (mips_legitimize_const_move): Use splittable_const_int_operand and
2764 splittable_symbolic_operand.
2765 (mips_use_anchors_for_symbol_p): New function.
2766 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2767 (mips_split_p): Declare.
2769 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2771 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2772 (mips*-*-linux*): Likewise.
2774 2006-03-16 Roger Sayle <roger@eyesopen.com>
2775 Daniel Speyer <dspeyer@wam.umd.edu>
2778 * tree-dump.c (dump_real): New function.
2779 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2780 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2781 (tree-dump.o): Add $(REAL_H) to the dependencies.
2783 2006-03-16 Roger Sayle <roger@eyesopen.com>
2786 * real.c (real_from_string): If the mantissa is zero, don't bother
2787 parsing the exponent as the result should always be zero.
2789 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2791 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2793 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2795 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2796 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2797 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2798 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2799 ia64_sched_finish_global): New static functions to implement
2800 hooks from gcc_target.sched.
2801 (spec_check_no, max_uid, pending_data_specs): New static variables.
2802 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2803 ia64_spec_check_src_p): New static functions.
2804 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2805 (TARGET_SCHED_ADJUST_COST): Removed.
2806 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2807 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2808 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2809 TARGET_SCHED_GEN_CHECK,
2810 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2811 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2812 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2813 Fixed to handle speculation checks.
2814 (rtx_needs_barrier): Fixed to handle speculative loads and
2816 (ia64_variable_issue): Added code to count speculative loads and their
2818 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2820 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2822 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2824 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2825 (ia64_reorg): Reset stops_p to NULL after it is freed.
2826 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2827 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2828 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2830 (data_speculative, control_speculative, check_load): New attributes.
2831 (mov<mode>_advanced, mov<mode>_speculative,
2832 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2833 zero_extend<mode>di2_speculative,
2834 zero_extend<mode>di2_speculative_advanced): New patterns for
2835 data and control speculative loads.
2836 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2838 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2839 New pattern for data and control speculation checks.
2840 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2841 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2842 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2843 Auxiliary definitions for the patterns.
2844 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2845 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2847 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2849 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2850 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2851 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2852 New resource constraints.
2853 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2855 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2856 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2857 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2858 msched-in-control-spec, msched-ldc, msched-control-ldc,
2859 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2860 msched-prefer-non-control-spec-insns,
2861 msched-count-spec-in-critical-path): New flags to tune speculative
2863 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2864 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2865 msched-in-control-spec, msched-ldc, msched-control-ldc,
2866 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2867 msched-prefer-non-control-spec-insns,
2868 msched-count-spec-in-critical-path): Document new flags.
2870 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2872 * target.h (struct spec_info_def): New opaque declaration.
2873 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2874 speculate_insn, needs_block_p, gen_check,
2875 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2876 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2877 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2878 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2879 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2880 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2882 (TARGET_SCHED): Use new macros.
2883 * rtl.h (copy_DEPS_LIST_list): New prototype.
2884 * sched-int.h (struct sched_info): Change signature of new_ready field,
2885 adjust all initializations. New fields: add_remove_insn,
2886 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2887 region_head_or_leaf_p.
2888 (struct spec_info_def): New structure declaration.
2889 (spec_info_t): New typedef.
2890 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2891 recovery_block, orig_pat.
2892 (glat_start, glat_end): New variables declaraions.
2893 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2895 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2896 DETACH_LIFE_INFO, USE_GLAT.
2897 (enum SPEC_SCHED_FLAGS): New enumeration.
2898 (NOTE_NOTE_BB_P): New macro.
2899 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2900 attach_life_info, debug_spec_status, check_reg_live): New functions.
2901 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2902 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2904 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2905 * ddg.c (get_block_head_tail): Adjust all uses.
2906 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2907 (sms_sched_info): Initialize new fields.
2908 (contributes_to_priority): Removed.
2909 * haifa-sched.c (params.h): New include.
2910 (get_block_head_tail): Adjust all uses.
2911 (ISSUE_POINTS): New macro.
2912 (glat_start, glat_end): New global variables.
2913 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2914 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2915 old_last_basic_block, before_recovery, current_sched_info_var,
2916 rgn_n_insns, luid): New static variables.
2917 (insn_cost1): New function. Move logic from insn_cost to here.
2918 (find_insn_reg_weight1): New function. Move logic from
2919 find_insn_reg_weight to here.
2920 (reemit_notes, move_insn, max_issue): Change signature.
2921 (move_insn1): Removed.
2922 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2923 extend_bb): New static functions to support extension of scheduler's
2925 (generate_recovery_code, process_insn_depend_be_in_spec,
2926 begin_speculative_block, add_to_speculative_block,
2927 init_before_recovery, create_recovery_block, create_check_block_twin,
2928 fix_recovery_deps): New static functions to support
2929 generation of recovery code.
2930 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2931 restore_bb_notes, move_block_after_check, move_succs): New static
2932 functions to support ebb scheduling.
2933 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2934 functions to support handling of register live information.
2935 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2936 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2937 add_jump_dependencies): New static functions.
2938 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2939 consistancy checking.
2940 (debug_spec_status): New function to call from debugger.
2941 (priority): Added code to handle speculation checks.
2942 (rank_for_schedule): Added code to distinguish speculative instructions.
2943 (schedule_insn): Added code to handle speculation checks.
2944 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2945 Fixed to handle ebbs.
2946 (move_insn): Added code to handle ebb scheduling.
2947 (max_issue): Added code to use ISSUE_POINTS of instructions.
2948 (choose_ready): Added code to choose between speculative and
2949 non-speculative instructions.
2950 (schedule_block): Added code to handle ebb scheduling and scheduling of
2951 speculative instructions.
2952 (sched_init): Initialize new variables.
2953 (sched_finish): Free new variables. Print statistics.
2954 (try_ready): Added code to handle speculative instructions.
2955 * lists.c (copy_DEPS_LIST_list): New function.
2956 * sched-deps.c (extend_dependency_caches): New function. Move logic
2957 from create_dependency_caches to here.
2958 (get_dep_weak, ds_merge): Make global.
2959 * genattr.c (main): Code to output prototype for
2960 dfa_clear_single_insn_cache.
2961 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2962 (output_dfa_clean_insn_cache_func): Code to output
2963 dfa_clear_single_insn_cache function.
2964 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2966 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2968 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2969 New static variables.
2970 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2971 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2973 (ebb_sched_info): Initialize new fields.
2974 (get_block_head_tail): Adjust all uses.
2975 (compute_jump_reg_dependencies): Fixed to use glat_start.
2976 (schedule_ebb): Code to remove unreachable last block.
2977 (schedule_ebbs): Added code to update register live information.
2978 * sched-rgn.c (region_sched_info): Initialize new fields.
2979 (get_block_head_tail): Adjust all uses.
2980 (last_was_jump): Removed. Adjust users.
2981 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2982 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2983 Implement new hooks.
2984 (check_dead_notes1): New static function.
2985 (struct region): New fields: dont_calc_deps, has_real_ebb.
2986 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2987 (BB_TO_BLOCK): Fixed to handle EBBs.
2988 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2989 (ebb_head): New static variable.
2990 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2991 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2993 (compute_dom_prob_ps): New assertion.
2994 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2995 global_live_at_start.
2996 (init_ready_list): New assertions.
2997 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2998 (new_ready): Add support for BEGIN_CONTROL speculation.
2999 (schedule_insns): Fixed code that updates register live information
3001 (schedule_region): Fixed to handle EBBs.
3002 (init_regions): Use extend_regions and check_dead_notes1.
3003 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3004 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3005 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3006 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3007 TARGET_SCHED_GEN_CHECK,
3008 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3009 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3010 * doc/invoke.texi (max-sched-insn-conflict-delay,
3011 sched-spec-prob-cutoff): Document.
3013 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3015 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3016 inter_tick, queue_index.
3017 (struct sched_info): Change signature of init_ready_list field.
3018 Adjust all initializations.
3019 (RESOLVED_DEPS): New access macro.
3020 (ready_add): Remove prototype.
3021 (try_ready): Add prototype.
3022 * sched-rgn.c (init_ready_list): Use try_ready.
3023 (schedule_region): Initialize
3024 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3025 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3026 (init_ready_list): Use try_ready.
3027 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3028 * lists.c (remove_list_elem): Remove `static'.
3029 (remove_free_INSN_LIST_elem): New function.
3030 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3031 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3032 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3034 (readyp): New variable.
3035 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3036 change_queue_index, resolve_dep): New static functions.
3037 (try_ready): New function. Adjust callers in sched-rgn.c and
3038 sched-ebb.c to use it instead of ready_add.
3039 (clock_var): Move at the begining of file.
3040 (rank_for_schedule): Fix typo.
3041 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3042 (ready_lastpos): Enforce assertion.
3043 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3045 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3046 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3047 (queue_to_ready): Use free_INSN_LIST_list.
3048 (early_queue_to_ready): Fix typo.
3049 (schedule_block): Init readyp. Move init_ready_list call after the
3050 initialization of clock_var. Fix error in rejecting insn by
3051 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3052 that previously corrected INSN_TICKs. Add code for handling
3054 (set_priorities): Fix typo.
3055 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3056 Clarify comment and code that keeps current_sched_info->next_tail
3059 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3061 * sched-rgn.c (extend_rgns): New static function.
3062 (find_rgns): Use it.
3063 (gather_region_statistics, print_region_statistics): New static
3065 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3066 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3068 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3069 Andrey Belevantsev <abel@ispras.ru>
3071 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3072 * lists.c (unused_deps_list): New variable.
3073 (free_list): Add assertions to verify the proper distinguishing
3074 between INSN_LISTs and DEPS_LISTs.
3075 (find_list_elem, remove_list_elem, remove_list_node): New static
3077 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3078 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3079 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3080 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3082 (free_INSN_LIST_node): Likewise.
3083 * modulo-sched.c (current_sched_info): Initialize flags field.
3084 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3085 * rtl.def (DEPS_LIST): Define.
3086 * rtl.h: Declare new functions from lists.c.
3087 * sched-deps.c (spec_dependency_cache): New static variable.
3088 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3089 (add_dependence): Change return type to void. Move the logic to ...
3090 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3091 (delete_all_dependences): Add comment about forward_dependency_cache.
3092 Handle spec_dependency_cache. Handle DEPS_LISTs.
3093 (fixup_sched_groups): Clarify the change of priority of output
3094 and anti dependencies.
3095 (sched_analyze_2): Adjust add_dependence calls to create data
3096 speculative dependence.
3097 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3098 Adjust all callers. Handle DEPS_LISTS.
3099 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3100 presence of speculation.
3101 (init_dependency_caches, free_dependency_caches):
3102 Handle spec_dependency_cache.
3103 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3104 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3105 New static functions.
3106 (add_or_update_back_dep, add_or_update_back_forw_dep,
3107 add_back_forw_dep, delete_back_forw_dep): New functions.
3108 * sched-int.h (ds_t, dw_t): New typedefs.
3109 (struct sched_info): Add new field flags.
3110 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3111 Prototype new sched-deps.c functions.
3112 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3113 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3114 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3115 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3116 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3117 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3119 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3121 * sched-rgn.c (current_sched_info): Initialize flags field.
3122 (schedule_insns): Initialize current_sched_info before the sched_init
3124 * sched-ebb.c (current_sched_info): Initialize flags field.
3125 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3126 Call add_or_update_back_dep instead of add_dependence.
3127 Create control speculative dependencies.
3128 (schedule_insns): Initialize current_sched_info before the sched_init
3131 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3133 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3135 (sh_fallback_frame_state): Likewise.
3137 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3139 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3140 Do switch on default_use_cxa_atexit.
3141 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3142 * config/darwin-crt3.o: New.
3143 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3144 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3145 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3147 * config/rs6000/t-darwin: Move crt2.o building to here.
3148 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3149 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3152 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3154 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3155 from '! xxx' to '!xxx' for coding-style conformance.
3156 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3157 (EXTRA_CONSTRAINT): Likewise.
3158 * config/vax/vax.md (four unnamed insns): Likewise.
3160 2006-03-15 Paul Brook <paul@codesourcery.com>
3162 * config/arm/arm.c (minipool_pad): New.
3163 (add_minipool_forward_ref): Include pool alignment padding in address
3165 (push_minipool_fix): Set minipool_pad.
3166 (minipool_pad): Ditto.
3168 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3170 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3171 instead of GET_CODE() == MEM and REG_P() instead of
3173 (print_operand_address): Likewise.
3174 (vax_address_cost): Likewise.
3175 (vax_rtx_costs): Likewise.
3176 (vax_notice_update_cc): Likewise.
3177 (vax_output_int_add): Likewise.
3178 (INDEX_REGISTER_P): Likewise.
3179 (BASE_REGISTER_P): Likewise.
3180 (nonindexed_address_p): Likewise.
3181 (vax_mode_dependent_address_p): Likewise.
3182 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3183 (PRINT_OPERAND): Likewise.
3184 * config/vax/vax.md (ashlsi3): Likewise.
3185 (ashlsi3): Likewise.
3186 (some more unnamed insns): Likewise.
3188 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3190 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3191 iterator-style macro.
3192 (mark_control_dependent_edges_necessary): Update the use of
3193 EXECUTE_IF_CONTROL_DEPENDENT.
3195 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3197 * config/sh/predicates.md (cache_address_operand): Special.
3198 (ua_address_operand): Likewise.
3200 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3202 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3204 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3206 2006-03-15 Andreas Schwab <schwab@suse.de>
3208 * gensupport.c (identify_predicable_attribute): Don't free p_false
3209 when it is still in use.
3211 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3213 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3214 the default setting here.
3216 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3218 * tree-pass.h (pass_cfg): Remove.
3219 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3220 * passes.c (pass_cfg): Don't run it.
3222 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3224 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3225 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3227 (stack_regs_mentioned): Update the uses of
3228 stack_regs_mentioned_data. Don't access the array beyond its
3230 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3231 Don't include gt-reg-stack.h.
3233 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3234 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3236 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3239 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3242 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3244 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3246 2006-03-14 Richard Guenther <rguenther@suse.de>
3248 PR tree-optimization/26672
3249 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3252 2006-03-14 Richard Guenther <rguenther@suse.de>
3254 PR tree-optimization/26667
3255 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3256 node for the callees. Always allow inlining if it will shrink
3259 2006-03-14 Richard Guenther <rguenther@suse.de>
3262 * builtins.c (get_pointer_alignment): Prefer alignment
3263 information from decls over that from types.
3265 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3268 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3270 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3272 * config/rs6000/rs6000.opt (mdlmzb): New option.
3273 (msched-prolog, msched-epilog): Use Var not Mask.
3274 * doc/invoke.texi (-mdlmzb): Document.
3275 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3277 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3278 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3280 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3282 PR rtl-optimization/25739
3283 * bt-load.c (augment_live_range): Free tos pointer.
3285 * gensupport.c (identify_predicable_attribute): Free
3287 * gcov.c (create_file_names): Free name pointer.
3289 2006-03-13 Roger Sayle <roger@eyesopen.com>
3292 * stmt.c (emit_case_nodes): Handle the case where the index is a
3293 CONST_INT, where the comparison mode is specified by the index type.
3295 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3297 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3300 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3302 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3303 (*branch_fp_inverted): Likewise.
3305 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3308 * omp-low.c (expand_omp_for_generic): Mark istart0
3309 and iend0 as addressable.
3311 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3313 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3315 2006-03-13 Jeff Law <law@redhat.com>
3317 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3318 virtual operands are interesting.
3319 (vrp_visit_stmt): Corresponding changes.
3321 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3323 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3325 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3326 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3327 * config/bfin/crti.S: Use it instead of __PIC__.
3328 * config/bfin/crtn.S: Likewise.
3330 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3331 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3333 Lose 'G' modifier for call operand.
3334 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3335 recognize 'G' modifier.
3337 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3340 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3341 * stmt.c (expand_case): Likewise.
3343 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3345 PR rtl-optimization/26254
3346 * loop-invariant.c (seq_insns_valid_p): New function.
3347 (move_invariant_reg): Only emit new code if it is valid.
3349 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3351 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3353 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3354 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3355 (commit_one_edge_insertion): Do not look for loop notes.
3357 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3359 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3360 flag_test_coverage out of loop.
3362 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3364 * final.c (shorten_branches): Remove outdated comment, and turn
3365 the if branch that guards it to continue.
3367 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3369 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3370 * cfgloop.h (struct loop): Remove unused fields.
3372 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3374 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3375 (-dL, -fdump-rtl-loop2): Update the dump file names
3377 * doc/invoke.texi: Update dump file names.
3379 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3381 * predict.c (estimate_probability): Remove.
3382 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3383 * basic-block.h (estimate_probability): Remove prototype.
3384 * passes.c (finish_optimization_passes): Dump branch prediction or
3385 profiling heuristics to the .profile tree dump.
3386 (init_optimization_passes): Unqueue pass_branch_prob.
3388 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3390 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3392 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3393 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3395 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3397 * function.h (frame_offset_overflow): Declare.
3398 * function.c (frame_offset_overflow): New function.
3399 (assign_stack_local_1): Call it to detect that the offset overflows.
3400 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3402 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3404 * config/sh/sh.c: Include alloc-pool.h.
3405 (label_ref_list_pool): New alloc pool.
3406 (label_ref_list_t): New type for lists of labels.
3407 (struct pool_node): Make wend a label_ref_list_t.
3408 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3410 (dump_table): Likewise.
3411 (sh_reorg): Set up the alloc pool before using add_constant and
3412 dump_table, and destroy it when finishing.
3414 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3416 * config/mips/mips.c: Remove redundant comment.
3418 2006-03-10 Jason Merrill <jason@redhat.com>
3421 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3422 the target was declared 'register'.
3424 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3426 * genpreds.c (write_insn_constraint_len): Change definition of
3427 insn_constraint_len to return size_t to match the declaration.
3429 2006-03-10 DJ Delorie <dj@redhat.com>
3431 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3433 (m32c_expand_insv): Fix test for an AND mask.
3435 2006-03-10 Richard Guenther <rguenther@suse.de>
3438 * builtins.c (get_pointer_alignment): Handle component
3439 references for field alignment.
3441 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3443 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3444 when building with libgloss.
3445 (sh*elf): Implement --without-fp option.
3446 (sh64-superh-linux*): Don't multilib.
3448 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3450 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3452 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3454 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3455 Set it when one of the replacement functions returned true.
3456 Return TODO_cleanup_cfg if cfgchanged is true.
3457 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3459 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3461 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3462 instead of gen_lowpart.
3464 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3466 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3468 (mips_output_order_conditional_branch): Declare.
3469 * config/mips/mips.h (MIPS_BRANCH): New macro.
3470 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3471 for the comparison. Use gen_condjump.
3472 (mips_output_conditional_branch): Rework interface to take the
3473 asm templates for a direct branch and the inverse of a direct branch.
3474 (mips_output_order_conditional_branch): New function.
3475 (mips_builtin_branch_and_move): New function.
3476 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3477 branch condition. Use gen_single_cc as the condition for
3478 __builtin_mips_upper_* or __builtin_mips_lower_*.
3479 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3480 Use VOIDmode for the branch condition.
3481 * config/mips/predicates.md (order_operator): New predicate.
3482 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3483 (branch_fp): Rename to...
3484 (*branch_fp): ...this. Remove mode from comparison operator.
3485 Use new mips_output_conditional_branch interface.
3486 (branch_fp_inverted): Rename to...
3487 (*branch_fp_inverted): ...this and update as for *branch_fp.
3488 (*branch_zero<mode>): Rename to...
3489 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3490 Use mips_output_order_conditional_branch. Only accept ordered
3492 (*branch_zero<mode>_inverted): Rename to...
3493 (*branch_order<mode>_inverted): ...this and update as for
3494 *branch_order<mode>.
3495 (*branch_equality<mode>): Accept zero as the second operand to
3496 the equality operator. Use the new mips_output_conditional_branch
3498 (*branch_equality<mode>_inverted): Likewise.
3499 (condjump): New expander.
3500 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3502 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3503 (bc1any2t, bc1any2f): Likewise.
3504 (single_cc): New expander.
3505 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3507 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3509 * doc/md.texi: Update documentation of MIPS constraints.
3510 * config/mips/constraints.md: New file.
3511 * config/mips/mips.md: Include it.
3512 * config/mips/mips.c (mips_char_to_class): Delete.
3513 (override_options): Don't initialize mips_char_to_class.
3514 * config/mips/mips.h (mips_char_to_class): Delete.
3515 (REG_CLASS_FROM_LETTER): Delete.
3516 (CONST_OK_FOR_LETTER_P): Delete.
3517 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3518 (EXTRA_CONSTRAINT_Y): Delete.
3519 (EXTRA_CONSTRAINT_STR): Delete.
3520 (CONSTRAINT_LEN): Delete.
3521 (EXTRA_MEMORY_CONSTRAINT): Delete.
3523 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3525 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3526 original fn's eh regions.
3528 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3530 * fold-const.c (build_range_check): Make sure to use a valid type to
3531 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3534 (range_predecessor): New static function.
3535 (range_successor): Likewise.
3536 (merge_ranges): Use them to compute predecessors and successors of
3539 2006-03-09 Roger Sayle <roger@eyesopen.com>
3542 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3543 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3545 2006-03-08 DJ Delorie <dj@redhat.com>
3547 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3548 (addpsi3): Expand to include memory operands. Remove
3549 reload-specific splits.
3550 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3551 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3552 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3553 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3554 (shift1_qi, shift1_hi, insv): New.
3555 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3556 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3557 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3559 * config/m32c/m32c-protos.h: Update as needed.
3560 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3561 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3562 Fail for unrecognized R* constraints.
3563 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3564 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3565 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3567 (m32c_init_libfuncs): New.
3568 (m32c_legitimate_address_p): Add debug wrapper.
3569 (m32c_rtx_costs): New.
3570 (m32c_address_cost): New.
3571 (conversions): Add 'B' prefix.
3572 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3573 operands, or word regnames for QI operands. 'B' prints bit
3575 (m32c_expand_setmemhi): New.
3576 (m32c_expand_movmemhi): New.
3577 (m32c_expand_movstr): New.
3578 (m32c_expand_cmpstr): New.
3579 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3580 (m32c_expand_neg_mulpsi3): Handle non-ints.
3581 (m32c_cmp_flg_0): New.
3582 (m32c_expand_movcc): New.
3583 (m32c_expand_insv): New.
3584 (m32c_scc_pattern): New.
3585 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3586 a0/a1 out of SIregs.
3587 (STORE_FLAG_VALUE): New.
3588 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3591 * config/m32c/mov.md: Make constraints more liberal.
3592 (zero_extendqihi2): Optimize r0/r1 case.
3593 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3594 * config/m32c/predicates.md (m32c_any_operand): New.
3595 (m32c_nonimmediate_operand): New.
3596 (m32c_hl_operand): New.
3597 (m32c_r3_operand): New.
3600 (memsym_operand): New.
3601 (memimmed_operand): New.
3602 (a_qi_operand): New.
3603 (m32c_eqne_operator): New.
3604 (m32c_1bit8_operand): New.
3605 (m32c_1bit16_operand): New.
3606 (m32c_1mask8_operand): New.
3607 (m32c_1mask16_operand): New.
3608 * config/m32c/blkmov.md: New file.
3609 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3611 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3613 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3614 unsigned to fix signed/unsigned comparison issue in
3615 DWARF2_FRAME_REG_OUT.
3616 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3617 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3619 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3620 of ptr into the ENABLE_CHECKING section.
3622 2006-03-08 Jeff Law <law@redhat.com>
3624 * tree-vrp.c (infer_value_range): Only count pointer uses
3625 and dereferences if -fdelete-null-pointer-checks is enabled.
3627 * tree-vrp.c (find_assert_locations): Infer value ranges for
3628 single use pointers, but do not create ASSERT_EXPRs for them.
3629 When a non-null range is inferred for a pointer, backwards
3630 propagate that range to other equivalent pointers through the
3633 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3636 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3637 language hook targets.
3638 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3639 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3640 if language hook targets were missing.
3642 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3644 * tree-ssa-opfinalize.h: Removed.
3645 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3647 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3648 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3649 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3650 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3651 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3652 finalize_ssa_v_must_def_ops): New.
3654 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3656 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3659 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3661 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3663 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3664 addresses with offsets; reorganize.
3666 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3667 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3668 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3670 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3673 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3675 2006-03-08 Ben Elliston <bje@au.ibm.com>
3677 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3679 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3682 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3685 2006-03-07 Richard Guenther <rguenther@suse.de>
3687 PR tree-optimization/26587
3688 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3690 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3692 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3694 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3696 * hooks.c (hook_bool_mode_rtx_true): New function.
3697 * hooks.h (hook_bool_mode_rtx_true): Declare.
3698 * toplev.c (compile_file): Call output_shared_constant_pool.
3699 * varasm.c (shared_constant_pool): New variable.
3700 (assemble_start_function, assemble_end_function): Remove arguments
3701 from call to output_constant_pool.
3702 (create_constant_pool): New function, split out from...
3703 (init_varasm_status): ...here.
3704 (force_const_mem): Choose between the shared and per-function constant
3705 pools. Set current_function_uses_const_pool when reusing old entries
3706 as well as when creating new ones.
3707 (mark_constant): Ignore data argument.
3708 (mark_constants): Remove pool argument.
3709 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3710 to decide whether the function uses a constant pool.
3711 (output_constant_pool_contents): New function, split out from...
3712 (output_constant_pool): ...here.
3713 (output_shared_constant_pool): New function.
3714 (init_varasm_once): Initialize shared_constant_pool.
3715 * output.h (output_constant_pool): Delete.
3716 (output_shared_constant_pool): Declare.
3717 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3718 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3720 2006-03-06 Nick Clifton <nickc@redhat.com>
3722 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3723 flag_strength_reduce.
3725 2006-03-06 Ben Elliston <bje@au.ibm.com>
3727 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3728 x86_64-*-linux* configurations.
3730 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3731 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3733 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3735 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3737 * basic-block.h: Remove the extern for
3738 rediscover_loops_after_threading.
3740 * cfgloop.c (cancel_loop): Make it static.
3741 * cfgloop.h: Remove the prototype for cancel_loop.
3743 * flow.c (recompute_reg_usage): Make it static.
3744 * rtl.h: Remove the prototype for recompute_reg_usage.
3746 * function.c (use_return_register): Make it static.
3747 * function.h: Remove the prototype.
3749 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3751 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3753 * recog.h: Remove the prototype for
3754 validate_change_maybe_volatile.
3756 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3758 * rtlanal.c (replace_reg): Remove.
3759 * rtl.h: Remove the prototype for replace_reg.
3761 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3763 * regclass.c (reg_scan_update): Remove.
3764 (reg_scan_mark_refs): Remove the last argument.
3765 * rtl.h: Remove the prototype for reg_scan_update.
3767 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3769 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3770 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3771 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3772 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3773 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3774 loop-invariant.c, omp-low.c, opts.c, passes.c,
3775 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3776 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3777 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3778 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3779 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3780 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3782 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3784 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3785 * dwarf2out.h: Remove the prototype for
3786 dwarf2out_add_library_unit_info.
3788 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3790 * tree.c (add_var_to_bind_expr): Remove.
3791 * tree.h: Remove the prototype for add_var_to_bind_expr.
3793 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3795 * regclass.c (n_non_fixed_regs): Remove.
3796 (init_reg_sets_1, globalize_reg): Remove all uses of
3798 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3800 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3802 * rtlanal.c (insns_safe_to_move_p): Remove.
3803 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3805 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3807 * expmed.c (expand_mult_add): Remove.
3808 * expr.h: Remove the prototype for expand_mult_add.
3810 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3812 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3813 and REG_SAVED_VAL_EXP constants.
3814 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3815 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3816 Handle regs stored by value.
3817 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3818 (execute_cfa_program): Handle DW_CFA_val_offset,
3819 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3820 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3821 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3822 (uw_install_context_1): Handle target regs stored by value.
3824 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3826 * tree-sra.c (tree_sra): Return todoflags;
3827 (generate_one_element): Set TODO_update_smt_usage if needed.
3828 (pass_sra): Remove TODO_update_smt_usage.
3829 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3831 (tree_ssa_forward_propagate_single_use_vars): Return
3832 TODO_update_smt_usage if we need to update SMT usage.
3833 (pass_forwprop): Remove TODO_update_smt_usage.
3835 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3837 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3838 (correct_use_link): Remove reference to get_stmt_operands.
3839 (update_stmt_operands): Likewise.
3840 (get_modify_expr_operands): New function factored out of
3841 parse_ssa_operands and get_expr_operands.
3842 Try to create V_MUST_DEFs for LHS by default.
3843 (get_expr_operands) <case MODIFY_EXPR>: Call
3844 get_modify_expr_operands.
3845 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3846 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3847 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3848 get_modify_expr_operands.
3850 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3852 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3853 * tree-flow.h: Remove the prototype for
3854 referenced_var_lookup_if_exists.
3856 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3858 PR rtl-optimization/26345
3860 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3862 2006-03-03 Roger Sayle <roger@eyesopen.com>
3864 PR tree-optimization/26524
3865 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3866 fold_convert to create a constant of the appropriate type.
3868 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3870 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3871 SYMBOL_REF_IN_BLOCK_P.
3872 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3873 of SYMBOL_FLAG_IN_BLOCK.
3874 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3875 instead of SYMBOL_REF_IN_BLOCK_P.
3876 * explow.c (use_anchored_address): Likewise.
3877 * rtl.c (rtx_size): Likewise.
3878 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3879 instead of SYMBOL_FLAG_IN_BLOCK.
3880 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3881 SYMBOL_REF_IN_BLOCK_P.
3882 (assemble_variable): Likewise.
3883 (output_constant_def_contents): Likewise.
3884 (output_constant_pool): Likewise.
3885 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3886 instead of SYMBOL_FLAG_IN_BLOCK.
3887 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3888 SYMBOL_REF_IN_BLOCK_P.
3889 (SYMBOL_REF_BLOCK): Likewise.
3890 (SYMBOL_REF_OFFSET): Likewise.
3891 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3892 SYMBOL_REF_IN_BLOCK_P.
3893 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3894 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3895 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3896 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3898 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3900 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3902 2006-03-02 Roger Sayle <roger@eyesopen.com>
3904 * simplify-rtx.c (simplify_unary_operation): When simplifying
3905 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3906 that we perform the right shift in the appropriate mode, and
3907 then extend or truncate the result to requested mode.
3909 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3911 * gengtype.c (main): Handle double_int type.
3912 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3913 * double-int.c: New file.
3914 * double-int.h: New file.
3915 * system.h: Include doubleint.h.
3916 * Makefile.in (SYSTEM_H): Include double-int.h.
3917 (double-int.o): Add.
3919 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3922 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3925 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3927 * tree-vrp.c (remove_range_assertions): Do not update statements
3930 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3932 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3934 * gcse.c (rest_of_handle_gcse): Ditto.
3935 * except.c (gate_handle_eh): Ditto.
3936 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3937 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3939 2006-03-02 Eric Christopher <echristo@apple.com>
3941 * config/i386/i386.c (machopic_output_stub): Add indirection to
3944 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3948 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3950 Sun Niagara specific optimizations.
3951 * config.gcc: Recognize niagara as target.
3952 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3953 (TARGET_CPU_niagara): Define.
3954 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3955 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3956 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3957 (ASM_CPU_SPEC): Likewise.
3958 (PROCESSOR_NIAGARA): New enum entry.
3959 (REGISTER_MOVE_COST): Handle Niagara.
3960 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3961 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3962 (sparc_override_options): Recognize "niagara", set appropriate
3963 default MASK_* values for it, and align functions to 32-bytes
3964 by default just like ULTRASPARC/ULTRASPARC3.
3965 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3966 (sparc64_initialize_trampoline): Likewise.
3967 (sparc_use_sched_lookahead): Use zero for niagara.
3968 (sparc_issue_rate): Use one for niagara.
3969 * config/sparc/niagara.md: New file.
3970 * config/sparc/sparc.md: Include it.
3971 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3972 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3973 when default cpu is niagara.
3974 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3975 (ASM_CPU_SPEC): Likewise.
3976 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3977 when default cpu is niagara.
3978 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3979 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3980 just like v9/ultrasparc/ultrasparc3.
3981 * doc/invoke.texi: Add documentation for "niagara" and improve
3982 existing documentation for ultrasparc variants.
3984 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3986 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3988 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3990 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3991 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3992 and say that only one is needed.
3993 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3994 * target.h (have_switchable_bss_sections): New hook.
3995 * explow.c (use_anchored_address): Check that the symbol is in a block.
3996 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3997 (bss_noswitch_section): New variables.
3998 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3999 (get_noswitch_section): New function.
4000 (get_block_for_section): Allow SECT to be null.
4001 (unlikely_text_section_p): Use SECTION_STYLE.
4002 (bss_initializer_p): New function.
4003 (get_variable_section): Move earlier in file. Take a new argument,
4004 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4005 Return one of the new *_sections in such cases.
4006 (get_block_for_decl): New function, extracting some logic from
4007 use_blocks_for_decl_p.
4008 (change_symbol_section): Remove in favor of...
4009 (change_symbol_block): ...this new function.
4010 (use_blocks_for_decl_p): Remove checks now performed by
4012 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4013 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4014 (emit_local, emit_bss, emit_common): ...these new functions.
4015 Return true if the alignment was honored.
4016 (emit_tls_common): New function.
4017 (asm_emit_uninitialised): Delete.
4018 (assemble_variable_noswitch): New function, split out from...
4019 (assemble_variable): ...here. Don't make decisions about common
4020 variables here. Globalize all public decls that go into non-common
4021 sections. Check whether SYMBOL_REF_BLOCK is null.
4022 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4023 (output_constant_pool): Likewise.
4024 (init_varasm_once): Initialize the new section variables.
4025 (have_global_bss_p): New function.
4026 (categorize_decl_for_section): Use bss_initializer_p.
4027 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4028 (place_block_symbol): Assert that the symbol must be in a block.
4029 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4030 (TARGET_INITIALIZER): Include it.
4031 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4032 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4033 (SECTION_MACH_DEP): Bump by two.
4034 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4035 (unnamed_section): Mention SECTION_UNNAMED in comment.
4036 (named_section): Likewise SECTION_NAMED.
4037 (noswitch_section_callback): New type.
4038 (noswitch_section): New structure.
4039 (section): Add a noswitch_section alternative.
4040 (SECTION_STYLE): New macro.
4041 (tls_comm_section, comm_section, lcomm_section): Declare.
4042 (bss_noswitch_section, have_global_bss_p): Declare.
4043 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4044 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4046 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4047 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4050 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4052 * gcc/tree-vrp.c (execute_vrp): Return value.
4053 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4054 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4055 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4056 (tree_lower_complex_O0): Ditto.
4057 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4058 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4059 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4060 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4061 (execute_tail_calls): Ditto.
4062 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4063 * gcc/tree.h (init_function_for_compilation): Ditto.
4064 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4065 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4066 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4067 * gcc/final.c (compute_alignments): Ditto.
4068 (rest_of_handle_final): Ditto.
4069 (rest_of_handle_shorten_branches): Ditto.
4070 (rest_of_clean_state): Ditto.
4071 * gcc/omp-low.c (execute_expand_omp): Ditto.
4072 (execute_lower_omp): Ditto.
4073 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4074 * gcc/ipa-reference.c (static_execute): Ditto.
4075 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4076 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4077 (rest_of_handle_machine_reorg): Ditto.
4078 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4079 * gcc/flow.c (recompute_reg_usage): Ditto.
4080 (rest_of_handle_remove_death_notes): Ditto.
4081 (rest_of_handle_life): Ditto.
4082 (rest_of_handle_flow2): Ditto.
4083 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4084 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4085 (do_ssa_store_ccp): Ditto.
4086 (execute_fold_all_builtins): Ditto.
4087 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4088 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4089 * gcc/ipa-pure-const.c (static_execute): Ditto.
4090 * gcc/cse.c (rest_of_handle_cse): Ditto.
4091 (rest_of_handle_cse2): Ditto.
4092 * gcc/web.c (rest_of_handle_web): Ditto.
4093 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4094 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4095 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4096 * gcc/tree-nrv.c (tree_nrv): Ditto.
4097 (execute_return_slot_opt): Ditto.
4098 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4099 (create_structure_vars): Ditto.
4100 * gcc/loop-init.c (rtl_loop_init): Ditto.
4101 (rtl_loop_done): Ditto.
4102 (rtl_move_loop_invariants): Ditto.
4103 (rtl_unswitch): Ditto.
4104 (rtl_unroll_and_peel_loops): Ditto.
4105 (rtl_doloop): Ditto.
4106 * gcc/gimple-low.c (lower_function_body): Ditto.
4107 (mark_used_blocks): Ditto.
4108 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4109 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4110 (cgraph_early_inlining): Ditto.
4111 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4112 * gcc/jump.c (cleanup_barriers): Ditto.
4113 (purge_line_number_notes): Ditto.
4114 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4115 (rest_of_handle_if_after_reload): Ditto.
4116 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4117 (tree_ssa_loop_im): Ditto.
4118 (tree_ssa_loop_unswitch): Ditto.
4119 (tree_vectorize): Ditto.
4120 (tree_linear_transform): Ditto.
4121 (tree_ssa_loop_ivcanon): Ditto.
4122 (tree_ssa_empty_loop): Ditto.
4123 (tree_ssa_loop_bounds): Ditto.
4124 (tree_complete_unroll): Ditto.
4125 (tree_ssa_loop_prefetch): Ditto.
4126 (tree_ssa_loop_ivopts): Ditto.
4127 (tree_ssa_loop_done): Ditto.
4128 * gcc/predict.c (tree_estimate_probability): Ditto.
4129 * gcc/recog.c (split_all_insns_noflow): Ditto.
4130 (rest_of_handle_peephole2): Ditto.
4131 (rest_of_handle_split_all_insns): Ditto.
4132 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4133 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4134 (rest_of_handle_stack_adjustments): Ditto.
4135 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4136 * gcc/function.c (instantiate_virtual_regs): Ditto.
4137 (init_function_for_compilation): Ditto.
4138 (rest_of_handle_check_leaf_regs): Ditto.
4139 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4140 (rest_of_handle_gcse): Ditto.
4141 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4142 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4143 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4144 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4145 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4146 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4147 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4148 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4149 * gcc/except.c (set_nothrow_function_flags): Ditto.
4150 (convert_to_eh_region_ranges): Ditto.
4151 (rest_of_handle_eh): Ditto.
4152 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4153 (remove_unnecessary_notes): Ditto.
4154 * gcc/except.h (set_nothrow_function_flags): Ditto.
4155 (convert_to_eh_region_ranges): Ditto.
4156 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4157 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4158 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4159 (execute_fre): Ditto.
4160 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4161 (rest_of_handle_jump2): Ditto.
4162 * gcc/tree-sra.c (tree_sra): Ditto.
4163 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4164 (execute_mudflap_function_decls): Ditto.
4165 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4166 (do_store_copy_prop): Ditto.
4167 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4168 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4169 * gcc/tree-ssa-forwprop.c
4170 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4171 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4172 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4173 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4174 (execute_late_warn_uninitialized): Ditto.
4175 * gcc/rtl.h (cleanup_barriers): Ditto.
4176 (split_all_insns_noflow): Ditto.
4177 (purge_line_number_notes): Ditto.
4178 (unshare_all_rtl): Ditto.
4179 (remove_unnecessary_notes): Ditto.
4180 (recompute_reg_usage): Ditto.
4181 (variable_tracking_main): Ditto.
4182 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4183 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4184 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4185 (execute_free_cfg_annotations): Ditto.
4186 (execute_fixup_cfg): Ditto.
4187 (execute_cleanup_cfg_pre_ipa): Ditto.
4188 (execute_cleanup_cfg_post_optimizing): Ditto.
4189 (execute_init_datastructures): Ditto.
4190 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4191 * gcc/combine.c (rest_of_handle_combine): Ditto.
4192 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4193 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4194 (rest_of_handle_reorder_blocks): Ditto.
4195 (rest_of_handle_partition_blocks): Ditto.
4196 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4197 * gcc/tree-profile.c (tree_profiling): Ditto.
4198 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4199 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4200 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4201 (rest_of_handle_sched2): Ditto.
4202 * gcc/basic-block.h (free_bb_insn): Ditto.
4203 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4204 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4205 (remove_useless_stmts): Ditto.
4206 (split_critical_edges): Ditto.
4207 (execute_warn_function_return): Ditto.
4208 (execute_warn_function_noreturn): Ditto.
4209 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4210 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4211 * gcc/passes.c (execute_one_pass): Run additional
4212 todos returned by execute function.
4213 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4216 2006-03-02 Richard Guenther <rguenther@suse.de>
4218 * tree-ssa-alias.c (find_used_portions): Consider taking
4219 the address as making the variable not write-only.
4221 2006-03-02 Nick Clifton <nickc@redhat.com>
4223 * config.gcc (default_use_cxa_atexit): Extend the description of
4224 this configure variable. Set its default value to "yes" for
4225 Linux, NetBSD and ELF targets on the assumption that they will
4226 use C libraries with the __cxa_atexit function.
4228 2006-03-02 Ben Elliston <bje@au.ibm.com>
4230 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4231 parameter as unused to suppress a build warning.
4233 2006-03-02 Ben Elliston <bje@au.ibm.com>
4235 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4238 2006-03-01 Roger Sayle <roger@eyesopen.com>
4241 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4242 declared name, the weak reference name, and the typeof name.
4243 (__gthrw): Avoid expanding the declared name suffix.
4244 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4246 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4248 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4250 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4251 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4252 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4253 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4254 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4255 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4256 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4257 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4258 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4259 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4260 (DW_END_default, DW_END_big, DW_END_little): New.
4261 (DW_END_lo_user, DW_END_hi_user): Define.
4262 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4263 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4264 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4267 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4269 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4271 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4273 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4275 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4277 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4278 to 'symbol_mem_tag'.
4280 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4283 2006-03-01 Roger Sayle <roger@eyesopen.com>
4285 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4287 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4290 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4291 MACHO_DYNAMIC_NO_PIC_P.
4292 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4294 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4297 * config/darwin-protos.h (darwin_asm_output_anchor):
4299 * config/darwin-sections.def (cstring_section):
4300 Add SECTION_MERGE to the flags.
4301 (literal4_section): Likewise.
4302 (literal8_section): Likewise.
4303 (objc_selector_refs_section): Likewise.
4304 (objc_cls_refs_section): Likewise.
4305 * config/darwin.c (darwin_asm_output_anchor): New
4307 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4309 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4311 Fix PR tree-optimization/26443
4312 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4313 to todo and PROP_tmt_usage to properties_destroyed.
4314 * tree-ssa-ccp.c (pass_ccp): Ditto.
4315 (pass_store_ccp): Ditto.
4316 * tree-ssa-dom.c (pass_dominator): Ditto.
4318 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4320 * tree-ssa-operands.c: Cleanup whitespace.
4321 (get_asm_expr_operands): Move before first invocation.
4322 (get_indirect_ref_operands): Likewise.
4323 (get_tmr_operands): Likewise.
4324 (get_call_expr_operands): Likewise.
4325 (append_def): Likewise.
4326 (append_use): Likewise.
4327 (append_v_may_def): Likewise.
4328 (append_v_must_def): Likewise.
4329 (add_call_clobber_ops): Likewise.
4330 (add_call_read_ops): Likewise.
4331 (add_stmt_operand): Likewise.
4332 (add_virtual_operand): Likewise.
4333 (build_ssa_operands): Likewise.
4335 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4340 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4341 with a call expr to ...
4342 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4344 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4346 * tree-vrp.c (extract_range_from_assert): Remove special
4347 handling for types with super-types.
4349 2006-03-01 Ben Elliston <bje@au.ibm.com>
4351 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4352 and powerpc64-*-linux* configurations.
4353 * config/t-dfprules: New file.
4355 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4356 Compile dfp-bit.c from the source directory using -DWIDTH and
4357 $DFP_CFLAGS to control the compilation of that file, rather than
4358 generating width-specific versions in the build directory.
4359 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4360 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4362 2006-02-28 Zack Weinberg <zackw@panix.com>
4364 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4367 2006-02-28 Eric Christopher <echristo@apple.com>
4369 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4370 Set up IN_LIBGCC definition of TARGET_64BIT.
4371 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4373 2006-02-28 Roger Sayle <roger@eyesopen.com>
4376 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4377 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4378 cases via the construction of "expr != 0".
4380 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4382 * alias.c (alias_invariant, alias_invariant_size): Remove.
4383 (record_base_value): Remove.
4384 (memrefs_conflict_p): Don't look at alias_invariant.
4385 (end_alias_analysis): Don't free it.
4386 * alias.h (record_base_value): Remove prototype.
4388 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4389 Adam Nemet <anemet@caviumnetworks.com>
4391 * rtl.h (truncated_to_mode): Declare it.
4392 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4393 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4394 (RTL_HOOKS_INITIALIZER): Include it.
4395 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4396 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4397 reg_truncated_to_mode.
4398 * rtlanal.c (truncated_to_mode): Define it.
4399 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4401 2006-02-28 Jeff Law <law@redhat.com>
4403 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4404 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4405 the range allowed by TYPE_PRECISION.
4407 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4409 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4411 PR tree-optimization/26419
4412 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4415 2006-02-27 Zack Weinberg <zackw@panix.com>
4417 * doc/md.texi: Fix typo in previous change.
4419 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4423 2006-02-27 Zack Weinberg <zackw@panix.com>
4425 * rtl.def (define_constraint, define_register_constraint)
4426 (define_memory_constraint, define_address_constraint): New MD forms.
4427 * gensupport.c (process_rtx): Put define_constraint etc on the
4429 * genpreds.c (process_define_predicate): Adjust comment. Validate
4430 the name, and call validate_exp to validate the expression.
4431 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4432 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4433 all callers changed.
4434 (validate_exp, needs_variable, struct constraint_data)
4435 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4436 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4437 (const_dbl_constraints, constraint_max_namelen)
4438 (have_register_constraints, have_memory_constraints)
4439 (have_address_constraints, have_address_constraints)
4440 (have_extra_constraints, have_const_int_constraints)
4441 (have_const_dbl_constraints, mangle, add_constraint)
4442 (process_define_constraint, process_define_register_constraint)
4443 (write_enum_constraint_num, write_lookup_constraint)
4444 (write_insn_constraint_len, write_regclass_for_constraint)
4445 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4446 (write_insn_extra_memory_constraint)
4447 (write_insn_extra_address_constraint)
4448 (write_satisfies_constraint_fns): New.
4449 (write_tm_preds_h): If we have new-style constraint definitions,
4450 prototype the functions generated from them, and define the
4451 old constraint interface (still used by generic code) in terms of
4453 (write_insn_preds_c): If we have new-style constraint definitions,
4454 generate all relevant functions from those definitions.
4455 (main): Handle define_constraint etc.
4456 * genoutput.c (struct constraint_data, indep_constraints)
4457 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4458 (mdep_constraint_len): New data structures and functions, defined
4459 #ifdef USE_MD_CONSTRAINTS.
4460 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4461 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4462 use new logic to validate operand constraints against constraint
4464 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4466 * defaults.h: If none of the old-style constraint macros are
4467 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4468 old-style macros; and poison REG_CLASS_FROM_LETTER,
4469 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4471 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4472 * doc/md.texi: Document new constraint-definition mechanism and the
4473 C interface it provides. Remove references to old mechanism
4474 elsewhere in the document.
4475 (Machine Constraints): Use pathnames relative to gcc directory,
4476 i.e. config/ARCH/FILE. Change i386 section to refer to
4477 config/i386/predicates.md; update that section to match docstrings.
4478 * doc/tm.texi: Move all documentation of the old constraint-
4479 definition macros to their own section, clearly mark as obsolete.
4481 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4482 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4484 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4485 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4486 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4488 (splits and peepholes): Use satisfies_constraint_*.
4489 * config/i386/i386.c (memory_address_length)
4490 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4492 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4494 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4495 scalar operation to be put back into the loop.
4497 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4500 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4501 (extract_cie_info): Handle S flag in augmentation string.
4502 (execute_cfa_program): If context->signal_frame, execute also
4503 fs->pc == context->ra instructions.
4504 (uw_frame_state_for): If context->signal_frame, don't subtract one
4505 from context->ra to find FDE.
4506 (uw_update_context_1): Set context->signal_frame to
4508 (_Unwind_GetIPInfo): New function.
4509 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4510 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4512 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4513 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4514 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4515 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4516 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4517 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4518 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4519 x86_64_fallback_frame_state): Set fs->signal_frame.
4520 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4521 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4522 (frob_update_context): Likewise. Workaround missing S flag in
4523 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4524 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4525 Remove the psw_addr + 1 hack.
4527 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4529 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4530 with aggregates here.
4531 (find_func_aliases): Remove code for &<aggregate> from here.
4533 2006-02-26 Roger Sayle <roger@eyesopen.com>
4535 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4536 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4537 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4540 2006-02-26 Roger Sayle <roger@eyesopen.com>
4543 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4545 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4547 * opts.c (decode_options): Do not handle flag_strength_reduce.
4548 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4549 and OPT_fstrength_reduce.
4550 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4551 flag_prefetch_loop_arrays for being nonzero.
4552 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4554 (fprefetch-loop-arrays-rtl): Removed.
4555 (flag_prefetch_loop_arrays): Do not specify the value.
4557 * doc/passes.texi: Update documentation of loop optimizer
4559 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4560 -frerun-loop-opt): Remove.
4562 2006-02-26 Richard Guenther <rguenther@suse.de>
4564 PR tree-optimization/26421
4565 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4566 in function calls that are ADDR_EXPRs as using the whole structure.
4568 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4570 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4571 * tree-pass.h (pass_loop_optimize): Remove.
4572 * passes.c (pass_loop_optimize): Never run it.
4573 * toplev.c (backend_init): Don't call init_loop.
4574 * opts.c (flag_loop_optimize_set): Remove.
4575 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4576 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4577 the old RTL loop optimizer when profiling enabled.
4578 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4579 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4580 pre-headers for the sake of the old RTL loop optimizer.
4581 * Makefile.in: Remove all references to loop.o.
4583 * doc/invoke.texi: Remove all references to -floop-optimize
4584 and -frerun-loop-opt.
4586 2006-02-26 Zack Weinberg <zackw@panix.com>
4588 * doc/md.texi (Machine Constraints): Refer to all files with paths
4589 relative to gcc directory (i.e. config/CPU/file). Add missing
4590 @table @code ... @end table to M32C subsection.
4592 2006-02-26 Roger Sayle <roger@eyesopen.com>
4594 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4596 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4598 2006-02-26 Roger Sayle <roger@eyesopen.com>
4599 James A. Morrison <phython@gcc.gnu.org>
4602 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4603 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4604 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4605 signedness of the shift operation.
4607 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4609 PR tree-optimization/26359
4610 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4612 2006-02-25 Roger Sayle <roger@eyesopen.com>
4614 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4615 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4616 as X == 0, and some symmetry related transformations.
4617 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4619 2006-02-25 Roger Sayle <roger@eyesopen.com>
4622 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4623 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4624 symmetry related transformations. Fold (X^C1) == C2 as
4627 2006-02-25 Juergen Weigert <jw@suse.de>
4628 Richard Guenther <rguenther@suse.de>
4630 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4632 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4634 * combine.c (gen_lowpart_or_truncate): Call
4635 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4637 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4639 * doc/invoke.texi: Move -fopenmp description to "Options for
4641 Remove reference to -lgomp.
4643 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4645 * doc/install.texi: Require GNU tar version 1.14.
4647 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4649 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4650 * doc/invoke.texi (C++ Dialect Options): Document
4651 -fno-use-cxa-get-exception-ptr.
4652 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4653 * configure: Regenerate.
4654 * c.opt (fuse-cxa-get-exception-ptr): New.
4655 * c-opts.c (c_common_handle_option): Handle
4656 OPT_fuse_cxa_get_exception_ptr.
4657 * c-common.c (flag_use_cxa_atexit): Update documentation.
4658 (flag_use_cxa_get_exception_ptr): New.
4659 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4660 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4662 (C_COMMON_OVERRIDE_OPTIONS): New.
4664 2006-02-24 Roger Sayle <roger@eyesopen.com>
4667 * combine.c (try_combine): Explicitly check whether GET_CODE is
4668 a SET or a CLOBBER, instead on checking that it isn't a USE.
4670 2006-02-24 Roger Sayle <roger@eyesopen.com>
4672 * fold-const.c (fold_comparison): New subroutine of fold_binary
4673 containing transformations common to both the equality and
4674 ordering relational operators, factored out of fold_binary.
4675 (fold_binary): Separate out the equality operators (EQ_EXPR
4676 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4677 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4678 transformations common to both.
4679 (fold_div_compare): Fix latent bugs in the previously unreachable
4680 LT_EXPR and GE_EXPR cases.
4682 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4684 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4685 decl libname for clog to __clog on AIX.
4687 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4689 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4692 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4693 output traceback table for thunks. Localise rs6000_stack_info call.
4695 2006-02-23 Roger Sayle <roger@eyesopen.com>
4696 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4698 * gthr-posix.h (__gthrw): Fix typo in comment.
4700 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4702 * doc/cpp.texi (Character sets): Document that we do support
4703 input files to be in any character set.
4705 2006-02-23 Jeff Law <law@redhat.com>
4707 * tree.h (PHI_ARG_NONZERO): Remove.
4708 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4709 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4710 node to the new node.
4712 PR tree-optimization/26425
4713 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4714 min/max, then assume its varying.
4716 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4718 PR rtl-optimization/26316
4719 * rtlanal.c (enum may_trap_p_flags): New.
4720 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4721 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4722 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4723 (may_trap_after_code_motion_p): New function.
4724 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4725 (find_invariant_insn): Use may_trap_after_code_motion_p.
4726 * rtl.h (may_trap_after_code_motion_p): Declare.
4728 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4730 * emit-rtl.c (immed_double_const): Cleanup.
4732 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4734 Fix PR tree-optimization/26376
4735 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4738 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4741 * gimplify.c (omp_add_variable): Guard variable size decl test with
4742 DECL_SIZE (decl) check.
4744 2006-02-23 Richard Guenther <rguenther@suse.de>
4747 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4748 like aggregate types.
4750 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4752 * configure.ac: Add --with{,out}-long-double-128 configure option.
4753 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4754 * configure: Rebuilt.
4755 * config.in: Rebuilt.
4756 * doc/install.texi (Options specification): Document
4757 --with-long-double-128.
4759 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4760 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4761 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4762 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4764 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4766 * config/s390/s390.c (override_options): Handle
4767 TARGET_DEFAULT_LONG_DOUBLE_128.
4769 * config/alpha/alpha.c (override_options): Handle
4770 TARGET_DEFAULT_LONG_DOUBLE_128.
4772 * config/sparc/sparc.c (sparc_override_options): Handle
4773 TARGET_DEFAULT_LONG_DOUBLE_128.
4775 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4777 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4778 (real-install-headers-tar, real-install-headers-cpio)
4779 (real-install-headers-cp): New targets.
4781 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4783 * tree.h (variable_section): Delete.
4784 * varasm.c (variable_section): Delete.
4786 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4788 * install.texi: Add notes on install.texi2html.
4789 (Building in parallel): Do not use footnotes.
4791 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4794 * doc/install.texi (Configuration): Document --disable-libgomp.
4796 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4798 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4800 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4802 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4803 (vec_extractv2df_0_sse): New.
4805 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4807 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4808 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4809 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4810 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4811 to the result of the expression.
4812 (def_cfa_1): Adjust.
4813 (frame_pointer_cfa_offset): Rename to...
4814 (frame_pointer_fb_offset): ... this. Adjust all uses.
4815 (convert_cfa_to_loc_list): Rename to...
4816 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4817 Pass it on to build_cfa_loc.
4818 (compute_frame_pointer_to_cfa_displacement): Rename to...
4819 (compute_frame_pointer_to_fb_displacement): ... this. New
4820 offset parameter. Use it in computation.
4821 (gen_subprogram_die): Compute cfa_fb_offset with the new
4822 macro, and use it to compute the fb loc list and the
4825 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4827 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4828 replaced with register_operand.
4829 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4830 non-DREG is expensive.
4831 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4832 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4835 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4837 * doc/install.texi2html: Use set -e.
4839 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4841 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4842 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4843 * doc/invoke.texi (-fshared-data): Delete.
4844 * common.opt (fshared-data): Delete.
4845 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4846 (assemble_static_space): Remove #if 0 code.
4847 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4848 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4849 * config/cris/cris.h: Remove FIXME.
4851 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4853 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4856 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4859 * combine.c (simplify_shift_const_1): Disable nested shifts
4860 optimization for vector shifts.
4862 2006-02-20 Roger Sayle <roger@eyesopen.com>
4864 PR tree-optimization/26361
4865 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4866 of unsigned integer types.
4868 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4870 * tree-chrec.c (eq_evolutions_p): New.
4871 * tree-chrec.h (eq_evolutions_p): Declared.
4872 * tree-data-ref.c: Fix formatting.
4873 (datadep_stats, dependence_stats): New.
4875 (print_direction_vector): New.
4876 (dump_data_dependence_relation): Use print_direction_vector.
4877 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4878 (compute_subscript_distance): Static.
4879 (initialize_data_dependence_relation): Static. Get the number
4880 of loops surrounding the references from the callers, and initialize
4881 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4882 base_object_differ_p analyzers.
4883 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4884 compute_overlap_steps_for_affine_1_2,
4885 analyze_subscript_affine_affine): Count the classified dependences.
4886 Print a message when a test failed.
4887 (can_use_analyze_subscript_affine_affine): New.
4888 (analyze_siv_subscript): Compute the data dependences on symbolic
4889 scevs that verify can_use_analyze_subscript_affine_affine.
4890 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4891 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4892 Handle symbolic scevs.
4893 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4895 (subscript_dependence_tester): Moved...
4896 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4897 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4898 DDR_SIZE_VECT instead of getting it in parameter.
4899 (subscript_dependence_tester): ... here. Take as a parameter
4900 loop_nest_depth. Call build_classic_dist_vector and
4901 build_classic_dir_vector.
4902 (compute_affine_dependence): Update subscript_dependence_tester
4903 parameters. Update datadep_stats counters. Call
4904 compute_subscript_distance.
4905 (compute_self_dependence): Save the dist and dir vectors. Call
4906 compute_subscript_distance.
4907 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4908 (compute_all_dependences): Reorder parameters as they were before
4909 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4910 compute_subscript_distance. Update the use of
4911 compute_affine_dependence and initialize_data_dependence_relation.
4912 (find_data_references_in_loop): Handle COMPONENT_REF.
4913 (compute_data_dependences_for_loop): Initialize dependence_stats.
4914 Don't call build_classic_dist_vector and build_classic_dir_vector.
4915 Update the parameters of initialize_data_dependence_relation and
4916 compute_all_dependences. Print the statistics from datadep_stats.
4917 (analyze_all_data_dependences): Static. Not used until the pass for
4918 checking the data dependences is contributed.
4919 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4920 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4921 (initialize_data_dependence_relation, compute_affine_dependence,
4922 analyze_all_data_dependences, compute_subscript_distance): Removed.
4923 (print_direction_vector): New.
4924 * lambda.h (gcd): ... here.
4925 (lambda_vector_gcd): Moved here from gcd_vector.
4926 * lambda-code.c (gcd, gcd_vector): Removed.
4927 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4928 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4930 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4932 * ipa-type-escape.c: Tidy some comments and white space.
4933 * tree-ssa-operands.c: Likewise.
4935 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4938 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4939 (dump_decl_name): Do not walk the decl tree chains.
4940 * tree-pass.h (TDF_CHAIN): Remove.
4942 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4944 * Makefile.in (C): Remove
4946 (.PHONY): Remove C and PROTO
4948 2006-02-20 Roger Sayle <roger@eyesopen.com>
4951 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4952 deprecated CHAR_TYPE tree code.
4954 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4956 * configure.ac (target_list): Add install-info, dvi, html.
4957 * configure: Regenerate.
4959 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4960 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4961 treelang/Make-lang.in: Do not use double-colon rules.
4963 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4965 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4966 (TMT_USED_ALONE): New macro.
4967 * tree-pass.h (PROP_tmt_usage): New property.
4968 (TODO_update_tmt_usage): New todo.
4969 * tree-ssa-alias.c (updating_used_alone): New variable.
4970 (recalculate_used_alone): New function.
4971 (compute_may_aliases): Set updating_used_alone, call
4972 recalculate_used_alone.
4973 * tree-sra.c (pass_sra): Note that this pass destroys
4974 PROP_tmt_usage, and add TODO_update_tmt_usage.
4975 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4976 * tree-flow.h (updating_used_alone): Prototype.
4977 (recalculate_used_alone): Ditto.
4978 * passes.c (execute_todo): Add code to set updating_used_alone,
4979 and call recalculate.
4980 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4981 for clobber if used alone, and add assert to verify used_alone
4984 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4986 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4987 for non tls symbols added.
4988 (legitimize_address): Do nothing for PLUS expressions if one of the
4989 addends is a tls symbol reference.
4991 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4995 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4997 * Makefile.in (BOOTSTRAPPING): New.
4998 (quickstrap): New definition if BOOTSTRAPPING=yes.
5000 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5001 * configure.ac: Substitute all_selected_languages with the languages
5002 that were configured. For all the other variables except
5003 lang_specs_files, include all the languages in the tree.
5004 * configure: Regenerate.
5006 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5007 if there is one. Run the commands to run fixincludes in the same
5010 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5011 * doc/install.texi: Document exact conventions for searching target tools.
5012 Document --with-build-time-tools. Document toplevel bootstrap. Document
5013 something more about building an Ada cross-compiler. Don't list GNU Make
5014 requirements which affect all platforms.
5016 2006-02-19 Roger Sayle <roger@eyesopen.com>
5019 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5020 only equivalent if the have both the same mode and precision.
5022 2006-02-20 Ben Elliston <bje@au.ibm.com>
5024 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5026 2006-02-19 Roger Sayle <roger@eyesopen.com>
5027 Steven Bosscher <stevenb.gcc@gmail.com>
5029 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5030 constant pool references to identify stack mode constants.
5031 * rtlanal.c (constant_pool_constant_p): New predicate to check
5032 whether operand is a floating point constant in the pool.
5033 * rtl.h (constant_pool_constant_p): Prototype here.
5034 * loop.c (scan_loop): Avoid hoisting constants from the constant
5035 pool on STACK_REGS targets.
5036 (load_mems): Likewise.
5037 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5038 loads into x87 registers expensive in terms of register pressure.
5040 2006-02-19 Roger Sayle <roger@eyesopen.com>
5042 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5043 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5045 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5047 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5048 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5050 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5052 * doc/invoke.texi: Document -fipa-pta.
5053 * common.opt: Add ipa-pta option.
5054 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5055 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5056 (do_ds_constraint): Ditto.
5057 (get_constraint_for): Only add to referenced_vars if
5058 referenced_vars exists.
5059 (insert_into_field_list): Rewrite to do this unsorted.
5060 (insert_into_field_list_sorted): Rename old insert_into_field_list
5062 (create_function_info_for): Use insert_into_field_list_sorted.
5063 (create_variable_info_for): Rewrite so it uses unsorted version,
5064 since the field list is sorted.
5065 (intra_create_variable_infos): Only add to referenced_vars if
5066 referenced_vars exists.
5067 (ipa_pta_execute): Init heapvars, and delete when done.
5068 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5070 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5072 * doc/install.texi: Add missing `@samp'.
5074 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5076 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5079 2006-02-18 Mark Wielaard <mark@klomp.org>
5081 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5082 who added new 4.1 features, bug fixes and integration support.
5084 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5087 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5090 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5092 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5093 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5094 (copy_insn_1): Likewise. Don't copy each field individually.
5096 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5098 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5099 * rtl.c (rtx_size): Rename variable to...
5100 (rtx_code_size): ...this.
5101 (rtx_size): New function.
5102 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5103 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5105 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5106 * rtl.h (rtx_code_size): New variable.
5107 (rtx_size): Change from a variable to a function.
5108 (RTX_SIZE): Rename to...
5109 (RTX_CODE_SIZE): ...this.
5112 PR tree-optimization/17106
5113 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5114 (Anchored Addresses): New section.
5115 * doc/invoke.texi (-fsection-anchors): Document.
5116 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5117 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5118 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5119 * hooks.c (hook_bool_mode_rtx_false): New function.
5120 * hooks.h (hook_bool_mode_rtx_false): Declare.
5121 * gengtype.c (create_optional_field): New function.
5122 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5123 SYMBOL_REF_IN_BLOCK_P is true.
5124 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5125 (min_anchor_offset, max_anchor_offset): Likewise.
5126 (use_anchors_for_symbol_p): New hook.
5127 * toplev.c (compile_file): Call output_object_blocks.
5128 (target_supports_section_anchors_p): New function.
5129 (process_options): Check that -fsection-anchors is only used on
5130 targets that support it and when -funit-at-a-time is in effect.
5131 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5132 if the decl doesn't have one.
5133 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5134 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5135 of force_const_mem through use_anchored_address.
5136 (expand_expr_constant): New function.
5137 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5138 calling expand_expr for INDIRECT_REF.
5139 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5140 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5141 * expr.h (use_anchored_address): Declare.
5142 * loop-unroll.c: Don't declare rtx vectors here.
5143 * explow.c: Include output.h.
5144 (validize_mem): Call use_anchored_address.
5145 (use_anchored_address): New function.
5146 * common.opt (-fsection-anchors): New switch.
5147 * varasm.c (object_block_htab, anchor_labelno): New variables.
5148 (hash_section, object_block_entry_eq, object_block_entry_hash)
5149 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5150 (use_blocks_for_decl_p, change_symbol_section): New functions.
5151 (get_variable_section): New function, split out from assemble_variable.
5152 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5153 use_blocks_for_decl_p say so. Use change_symbol_section if the
5154 symbol has already been created.
5155 (assemble_variable_contents): New function, split out from...
5156 (assemble_variable): ...here. Don't output any code for
5157 block symbols; just pass them to place_block_symbol.
5158 Use get_variable_section and assemble_variable_contents.
5159 (get_constant_alignment, get_constant_section, get_constant_size): New
5160 functions, split from output_constant_def_contents.
5161 (build_constant_desc): Create a block symbol if use_object_blocks_p
5162 says so. Or into SYMBOL_REF_FLAGS.
5163 (assemble_constant_contents): New function, split from...
5164 (output_constant_def_contents): ...here. Don't output any code
5165 for block symbols; just pass them to place_section_symbol.
5166 Use get_constant_section and get_constant_alignment.
5167 (force_const_mem): Create a block symbol if use_object_blocks_p and
5168 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5169 (output_constant_pool_1): Add an explicit alignment argument.
5170 Don't switch sections here.
5171 (output_constant_pool): Adjust call to output_constant_pool_1.
5172 Switch sections here instead. Don't output anything for block symbols;
5173 just pass them to place_block_symbol.
5174 (init_varasm_once): Initialize object_block_htab.
5175 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5176 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5177 (place_block_symbol, get_section_anchor, output_object_block)
5178 (output_object_block_htab, output_object_blocks): New functions.
5179 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5180 (TARGET_ASM_OUT): Include it.
5181 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5182 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5183 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5184 (TARGET_INITIALIZER): Include them.
5185 * rtl.c (rtl_check_failed_block_symbol): New function.
5186 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5187 (block_symbol, object_block): New structures.
5188 (rtx_def): Add a block_symbol field to the union.
5189 (BLOCK_SYMBOL_CHECK): New macro.
5190 (rtl_check_failed_block_symbol): Declare.
5191 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5192 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5193 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5194 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5195 * output.h (output_section_symbols): Declare.
5196 (object_block): Name structure.
5197 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5198 (default_use_anchors_for_symbol_p): Declare.
5199 * Makefile.in (RTL_BASE_H): Add vec.h.
5200 (explow.o): Depend on output.h.
5201 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5202 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5203 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5204 (rs6000_use_blocks_for_constant_p): New function.
5206 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5208 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5210 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5213 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5216 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5218 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5222 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5225 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5226 instead of DECL_REGISTER.
5228 2006-02-18 Olivier Hainque <hainque@adacore.com>
5231 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5233 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5236 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5237 * opth-gen.awk: Handle Var and InverseMask together.
5238 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5239 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5240 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5241 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5243 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5244 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5245 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5246 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5247 LINUX_DYNAMIC_LINKER): Define.
5248 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5249 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5251 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5252 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5253 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5254 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5255 (TARGET_C99_FUNCTIONS): Don't define.
5256 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5257 GLIBC_DYNAMIC_LINKER.
5258 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5259 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5260 GLIBC_DYNAMIC_LINKER64): Define.
5261 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5262 LINUX_DYNAMIC_LINKER64.
5263 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5264 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5265 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5266 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5267 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5268 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5269 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5270 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5271 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5272 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5273 and LINUX_DYNAMIC_LINKER32.
5274 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5275 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5276 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5277 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5278 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5280 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5281 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5282 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5283 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5284 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5285 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5286 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5287 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5288 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5289 LINUX_DYNAMIC_LINKER): Define.
5290 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5291 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5292 GLIBC_DYNAMIC_LINKER64): Define.
5293 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5294 LINUX_DYNAMIC_LINKER64.
5295 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5296 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5297 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5298 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5299 LINUX_DYNAMIC_LINKER): Define.
5300 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5301 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5302 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5303 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5304 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5305 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5306 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5307 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5308 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5309 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5310 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5311 * doc/invoke.texi (-muclibc): Remove caveat about supported
5314 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5316 * doc/cpp.texi (__TIMESTAMP__): Document.
5318 2006-02-17 Roger Sayle <roger@eyesopen.com>
5321 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5322 C is one less than the width of X (and related transformations).
5323 * simplify-rtx.c (simplify_unary_operation_1): Transform
5324 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5325 depending on STORE_FLAG_VALUE, were C is one less then the
5328 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5330 Fix PR tree-optimization/26341
5331 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5332 about NAME_MEMORY_TAG's.
5334 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5337 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5338 with hardware float support, and software float support. Add fcpy
5339 alternative to hardware patterns. Add alternatives to copy between
5340 general and floating-point registers to the 32-bit pattern.
5341 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5342 secondary reload to load a QI or HI mode constant into a floating
5344 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5345 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5347 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5350 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5352 (load_macho_picbase_di): Likewise.
5354 2006-02-16 Jeff Law <law@redhat.com>
5356 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5357 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5358 (ssa_name_nonzero_p): Likewise.
5359 (get_value_range): Return NULL if VRP is not running.
5360 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5361 VRP routines do not discover a range.
5362 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5363 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5364 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5365 (tree_expr_nonnegative_p): Similarly.
5366 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5367 (restore_nonzero_vars_to_original_value): Remove.
5368 (unsafe_associative_fp_binop): Remove.
5369 (tree_ssa_dominator_optimize): Remove initialization and
5370 finalization of nonzero_vars and nonzero_vars_stack.
5371 (dom_opt_initialize_block): No longer push marker on
5373 (dom_opt_finalize_block): No longer call
5374 restore_nonzero_vars_to_original_value.
5375 (record_equivalences_from_phis): No longer look for
5376 nonzero PHI arguments.
5377 (cprop_into_successor_phis): No longer propagate nonzero
5378 property into PHI arguments. Lose unused argument. Caller
5380 (record_equivalences_from_stmt): No longer record nonzero
5381 values for SSA_NAMEs.
5382 (lookup_avail_expr): No longer use nonzero_vars.
5384 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5385 for sizetype when sizetype is unsigned.
5387 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5389 PR rtl-optimization/25603
5390 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5391 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5392 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5393 with new meaning of SETS.
5395 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5400 * config/linux.opt: New file.
5401 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5402 LINUX_DYNAMIC_LINKER): Define.
5403 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5404 * config.gcc (*-*-linux*): Define extra_options.
5405 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5406 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5407 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5408 GLIBC_DYNAMIC_LINKER.
5409 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5410 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5411 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5412 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5413 * doc/invoke.texi (GNU/Linux Options): New section.
5415 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5417 * config/sparc/sparc.md (setjmp): Rewrite.
5418 (setjmp_32): Delete.
5419 (setjmp_64): Likewise.
5421 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5423 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5426 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5428 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5431 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5433 PR rtl-optimization/26296
5434 * Makefile.in (loop-invariant.c): Add except.h dependency.
5435 * loop-invariant.c: Include except.h.
5436 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5438 2005-02-16 Paul Brook <paul@codesourcery.com>
5440 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5443 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5445 PR rtl-optimization/25636
5446 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5447 when deciding whether an insn is an initializing insn.
5449 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5451 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5452 (tree_code_size): Ditto.
5453 * tree.h (struct tree_memory_tag): Remove parent_var.
5454 (struct tree_struct_field_tag): New.
5457 (union tree_node): Add sft member.
5458 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5460 (create_sft): Add size and offset argument, set SFT_OFFSET and
5462 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5463 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5464 * tree-flow-inline.h (get_subvar_at): Update for
5465 SFT_OFFSET/SFT_SIZE.
5466 (var_can_have_subvars): Ditto.
5467 (overlap_subvar): Ditto.
5468 * print-tree.c (print_node): Print out interesting things for
5470 * tree-flow.h (struct subvar): Remove offset and size members.
5471 * tree-ssa-operands.c (get_expr_operands): Update for
5472 get_indirect_ref_operands changes.
5473 (get_indirect_ref_operands): Call add_virtual_operand instead of
5474 add_stmt_operand. Only recurse on base var if requested.
5475 (access_can_touch_variable): New function.
5476 (add_stmt_operand): Split virtual operand handling into ...
5477 (add_virtual_operand): Here. Add offset, size, and for_clobber
5478 arguments. Prune alias sets.
5479 (add_call_clobber_ops): Call add_virtual_operand.
5481 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5484 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5486 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5487 than TREE_CODE as index into omp_clause_num_ops array.
5489 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5491 PR rtl-optimization/26184
5492 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5494 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5495 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5496 must_precede, must_follow and tobe_scheduled.
5499 * opts.c (common_handle_option): Free new_option pointer.
5500 * df-core.c (df_analyze): Free postorder pointer.
5502 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5504 * Makefile.in: Fix the examples about the use of stamps
5506 2006-02-15 Michael Matz <matz@suse.de>
5510 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5511 influenced by maximum_field_alignment or DECL_PACKED.
5512 (update_alignment_for_field): Ditto.
5513 (place_field): Ditto.
5514 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5517 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5519 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5520 (debug_flow_info): Pass it.
5521 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5522 * bb-reorder.c (reorder_basic_blocks): Likewise.
5523 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5524 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5525 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5526 * gcse.c (gcse_main, bypass_jumps): Likewise.
5527 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5528 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5529 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5530 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5531 * rtl.h (dump_flow_info): Adjust prototype.
5532 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5533 * var-tracking.c (variable_tracking_main): Likewise.
5534 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5535 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5538 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5540 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5543 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5545 PR tree-optimization/26209
5546 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5547 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5549 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5551 2006-02-14 Roger Sayle <roger@eyesopen.com>
5554 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5555 (X,Y) and the corresponding symmetry related transformations.
5556 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5557 (X,Y) and its symmetry related transformations.
5559 2006-02-14 Roger Sayle <roger@eyesopen.com>
5561 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5564 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5566 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5568 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5571 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5572 support COMDAT group.
5573 * configure: Regenerate.
5575 2006-02-14 Roger Sayle <roger@eyesopen.com>
5580 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5582 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5584 Fix PR tree-optimization/26260
5586 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5588 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5589 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5590 * tree-ssa-structalias.c (create_variable_info_for): Use
5591 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5593 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5595 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5597 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5598 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5599 of the ending condition.
5600 * tree-ssa-loop-manip.c: Include params.h.
5601 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5602 tree_unroll_loop): New functions.
5603 * tree-pass.h (pass_loop_prefetch): Declare.
5604 * loop.c (rest_of_handle_loop_optimize): Test for
5605 -fprefetch-loop-arrays-rtl.
5606 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5607 * timevar.def (TV_TREE_PREFETCH): New timevar.
5608 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5609 pass_loop_prefetch): New.
5610 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5611 (cleanup_tree_cfg_loop): Call scev_reset.
5612 * common.opt (fprefetch-loop-arrays-rtl): Add.
5613 * tree-ssa-loop-prefetch.c: New file.
5614 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5615 (new_temp_expr_table): Initialize expr_vars.
5616 (free_temp_expr_table): Cleanup expr_vars.
5617 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5618 expressions from being merged into one.
5619 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5620 (struct tree_niter_desc): Add control, bound and cmp fields.
5621 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5623 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5624 (tree-cfgcleanup.o): Add SCEV_H dependency.
5625 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5626 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5628 2006-02-14 Richard Guenther <rguenther@suse.de>
5630 PR tree-optimization/26258
5631 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5632 in PHI argument processing.
5634 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5636 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5637 new expression in the requested machine mode.
5639 2006-02-13 Roger Sayle <roger@eyesopen.com>
5641 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5642 directly, instead let do_compare_rtx_and_jump handle this for us.
5643 * expr.c (expand_expr_real_1): Likewise.
5644 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5645 before do_jump_by_parts_greater.
5646 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5647 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5649 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5651 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5653 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5655 PR rtl-optimization/26235
5656 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5657 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5660 2006-02-13 Jeff Law <law@redhat.com>
5662 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5665 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5668 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5669 twice if decl is a builtin. When trying again, call get_callee_fndecl
5670 first to verify it is still a builtin.
5672 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5674 * dwarf2out.c (base_type_die): Don't add AT_name here.
5675 (subrange_type_die): Don't add AT_name here.
5676 (modified_type_die): Rearrange code flow. Do add AT_name here.
5678 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5680 PR rtl-optimization/26247
5681 PR rtl-optimization/26248
5682 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5684 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5686 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5687 * config/fixtfdi.c: Likewise.
5688 * config/fixunstfdi.c: Likewise.
5689 * config/floatditf.c: Likewise.
5691 2006-02-13 Roger Sayle <roger@eyesopen.com>
5694 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5695 into (X,C2) if C1 is a subset of the bits of C2. Transform
5696 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5698 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5700 2006-02-13 Josh Conner <jconner@apple.com>
5703 * varasm.c (function_section): Check for section name before
5704 calling select_section on targets that define
5705 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5706 unlikely_text_section instead of hot_function_section if
5707 first_function_block_is_cold.
5709 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5712 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5714 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5716 PR rtl-optimization/26222
5717 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5718 after tree->rtl expansion.
5719 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5720 before passing it to emit_move_insn.
5722 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5724 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5726 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5727 Clarify documentation.
5728 * c-common.h (warn_write_strings): Remove.
5729 * c-common.c (warn_write_strings): Likewise.
5730 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5733 2006-02-12 Roger Sayle <roger@eyesopen.com>
5736 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5737 (do_jump_parts_zero_rtx): New function renamed from
5738 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5739 (do_jump_parts_equality_rtx): New function split out from
5740 do_jump_parts_equality. Old implementation renamed as above.
5741 Call do_jump_parts_zero_rtx if either operand is zero.
5742 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5743 do all of the heavy lifting.
5744 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5745 calling either do_jump_by_parts_greater_rtx or
5746 do_jump_by_parts_equality_rtx.
5747 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5748 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5749 moved to do_compare_rtx_and_jump, call it directly.
5750 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5751 mode argument. Call do_compare_rtx_and_jump.
5752 (emit_case_nodes): Update calls to do_jump_if_equal.
5754 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5756 PR rtl-optimization/26225
5757 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5759 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5761 PR rtl-optimization/26232
5762 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5764 2006-02-11 Jason Merrill <jason@redhat.com>
5767 * tree-inline.c (declare_return_variable): Just don't use the
5768 modify target if it's a gimple complex reg and the return slot
5771 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5773 * doc/contrib.texi: Update my entry.
5775 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5777 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5779 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5781 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5784 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5786 * doc/invoke.texi (-floop-optimize2): Removed.
5787 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5788 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5789 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5790 * common.opt (floop-optimize2): Removed.
5791 (fmove-loop-invariants): Enabled by default.
5793 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5795 * tree-if-conv.c (combine_blocks): Free the result of
5796 get_loop_exit_edges.
5798 2006-02-10 Jeff Law <law@redhat.com>
5800 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5802 PR tree-optimization/26213
5803 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5804 loop trying to follow SSA_NAME_VALUE chains.
5806 2006-02-10 Richard Guenther <rguenther@suse.de>
5808 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5809 deal with structures that end in implicitly variable sized arrays.
5811 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5813 PR rtl-optimization/24762
5814 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5817 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5819 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5820 (struct ivopts_data): Add regs_used field.
5821 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5822 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5823 instead of loop_data->regs_used;
5824 (free_loop_data): Do not free aux fields for loops.
5825 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5826 and tree_ssa_iv_optimize_finalize.
5828 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5830 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5832 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5835 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5836 computing the effective result type.
5838 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5841 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5842 (tree_overlaps_hard_reg_set): Declare.
5843 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5844 type and signature to match function type expected by walk_tree.
5845 (tree_overlaps_hard_reg_set): New function.
5846 (decl_conflicts_with_clobbers_p): Rename to:
5847 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5848 Use tree_overlaps_hard_reg_set. Changed caller.
5849 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5850 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5851 * cris.c (cris_md_asm_clobbers): Likewise.
5853 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5855 * reload1.c (emit_input_reload_insns): Delete code that tries to
5856 inherit using find_equiv_reg.
5858 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5860 * c-common.h (flag_const_strings): Don't declare.
5861 * c-common.c (flag_const_strings): Remove.
5862 * c.opt (fconst_strings): Remove.
5863 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5864 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5865 (c_common_init_options): Don't set flag_const_strings.
5866 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5868 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5870 * arm.md (tlobits_cbranch): New pattern.
5871 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5872 testing a single bit.
5874 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5877 * tree-ssa-pre.c (create_component_ref_by_pieces):
5878 Handle RETURN_DECL like VAR_DECL.
5880 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5883 * fold-const.c (fold_indirect_ref_1): Fold
5884 "*(foo *)&complexfoo" to "__real__ complexfoo"
5885 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5887 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5889 * tree-flow-inline.h (var_can_have_subvars):
5890 Volatile variables should not have subvariables.
5892 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5895 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5896 multiplying unsigned values.
5899 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5901 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5903 2006-02-08 Jason Merrill <jason@redhat.com>
5906 * tree.def: Elaborate on difference from MODIFY_EXPR.
5907 * doc/c-tree.texi (INIT_EXPR): Likewise.
5908 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5909 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5910 (gimplify_target_expr): Likewise.
5911 (gimplify_cond_expr): Remove target handling.
5912 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5913 (gimplify_expr): Clobber it here.
5914 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5915 Do return slot optimization if we have an INIT_EXPR.
5918 * tree-inline.c (declare_return_variable): Also clear
5919 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5922 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5925 * gimplify.c (gimplify_one_sizepos): Fix typo.
5927 2006-02-08 Jeff Law <law@redhat.com>
5929 PR tree-optimization/21417
5930 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5931 across a backedge if the control statement at the end of the
5932 block is data dependent on other statements in the same block.
5933 (record_temporary_equivalences_from_stmts): Remove over-conservative
5934 test for threading across backedges.
5936 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5937 control statement, handle all three special cases in the same
5938 manner as they all have the same desired solution. No longer
5939 special case edge flag updating when the post dominator is
5942 2006-02-08 Roger Sayle <roger@eyesopen.com>
5944 * tree.def (CHAR_TYPE): Remove.
5945 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5946 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5947 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5948 (gen_string_type_die): Delete unreachable function.
5950 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5951 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5952 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5953 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5954 * builtins.c (type_to_class): Likewise.
5955 * fold-const.c (fold_convert, build_range_check,
5956 merge_ranges): Likewise.
5957 * expr.c (count_type_elements): Likewise.
5958 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5959 * stor-layout.c (layout_type): Likewise.
5960 * ipa-type-escape.c (type_to_consider): Likewise.
5961 * gimplify.c (omp_firstprivatize_type_sizes,
5962 gimplify_type_sizes): Likewise.
5963 * explow.c (promote_mode): Likewise.
5964 * tree-sra.c (is_sra_scalar_type): Likewise.
5965 * varasm.c (output_constant): Likewise.
5966 * tree-inline.c (remap_type_1): Likewise.
5967 * convert.c (convert_to_pointer, convert_to_real,
5968 convert_to_integer, convert_to_complex): Likewise.
5970 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5972 * df-scan.c (df_def_record_1): A set destination may
5973 be a parallel regardless of mode.
5975 2006-02-08 Roger Sayle <roger@eyesopen.com>
5978 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5979 * config/mips/_tilib.c: Remove.
5980 * config/fixtfdi.c: New libgcc source file.
5981 * config/fixunstfdi.c: New source file.
5982 * config/floatditf.c: New source file.
5983 * config/floatunditf.c: New souce file.
5984 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5985 files above instead of config/mips/_tilib.c.
5986 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5988 2006-02-08 Jeff Law <law@redhat.com>
5990 PR tree-optimization/26169
5991 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5994 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5996 * df.h (DF_REG_SIZE): Return the length of the initialized
5999 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6001 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6002 __muldf3): Return a correctly signed zero.
6004 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6006 * passes.c (register_one_dump_file): Accept the current properties
6007 instead of pass number. Adjust call to dump_register. Remove
6009 (register_dump_files): Now a wrapper around...
6010 (register_dump_files_1): ... this one. Do not modify the pass
6012 (next_pass_1): Cosmetic fix.
6013 (execute_todo): Keep second parameter only. Use curr_properties
6014 instead of fetching it from the pass structure. Check and set
6016 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6017 instead of fetching it from the pass structure. Fix calls to
6018 execute_todo. Update curr_properties and initialize .vcg RTL dump
6019 after running the pass. Reset last_verified.
6020 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6022 (FIRST_AUTO_NUMBERED_DUMP): New.
6023 (dump_register): Remove "num" parameter, assign it within the
6025 (get_dump_file_name): Modify template for dumps.
6026 * tree-dump.h (dump_register): Adjust prototype.
6027 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6028 (PROP_trees): Add PROP_gimple_lomp.
6029 (TODO_set_props): New.
6030 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6031 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6032 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6034 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6036 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6037 (sparc64-*-linux*): Likewise.
6038 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6039 * config/sparc/t-linux: New file.
6040 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6041 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6042 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6043 -m32 -mlong-double-128.
6045 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6046 * config/alpha/t-linux: New file.
6047 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6049 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6050 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6051 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6052 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6053 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6054 (CPP_ARCH32_SPEC): Remove.
6056 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6058 PR tree-optimization/26145
6059 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6062 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6065 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6066 >= 240000 when generating code for SOM runtime.
6067 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6068 to $$dyncall when generating code for SOM runtime..
6070 2006-02-07 Dirk Mueller <dmueller@suse.com>
6073 * doc/invoke.texi (-Wsequence-point): Update documentation
6074 that -Wsequence-point is implemented for C++ as well.
6076 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6078 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6079 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6080 (LIB_SPEC): Likewise.
6081 * doc/invoke.texi (SPARC options): Document -pthread.
6083 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6085 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6088 2006-02-07 Roger Sayle <roger@eyesopen.com>
6090 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6091 Correct comment describing BOOLEAN_TYPE.
6093 2006-02-07 Dirk Mueller <dmueller@suse.com>
6095 * c.opt: C++ frontend supports -Wdiv-by-zero.
6096 * c-opts.c (c_common_handle_option): Remove dead case.
6098 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6100 * configure.ac (TLS assembler check): Do not enable TLS by
6101 default on SPARC/Solaris before version 10.
6102 * configure: Regenerate.
6104 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6106 * doc/invoke.texi (xl-compat): Document conversion and support
6109 2006-02-07 Jeff Law <law@redhat.com>
6111 * tree-vrp.c (find_conditional_asserts): Update comments.
6112 (simplify_stmt_for_jump_threading): New.
6113 (identify_jump_threads, finalize_jump_threads): New.
6114 (vrp_finalize): Call identify_jump_threads.
6115 (execute_vrp): Call finalize_jump_threads.
6116 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6117 (vrp_element, vrp_data, vrp_element_p): Remove.
6118 (vrp_hash_elt, vrp_variables_stack): Remove.
6119 (vrp_hash, vrp_eq, record_range): Remove.
6120 (simplify_cond_and_lookup_avail_expr): Remove.
6121 (extract_range_from_cond): Remove.
6122 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6123 (simplify_stmt_for_jump_threading): New.
6124 (dom_thread_across_edge): New wrapper.
6125 (tree_ssa_dominator_optimize): No longer initialize or
6126 finalize any of the VRP datastructures. Remove iteration
6127 step and simplify as a result of removal of iteration step.
6128 (pass_dominator): Perform a cfg cleanup after DOM.
6129 (dom_opt_finalize_block): Use the new common routines
6130 for threading jumps. Simplify stack management slightly.
6131 No longer need to unwind VRP state.
6132 (record_equivalences_from_incoming_edge): No longer record
6134 (eliminate_redundant_computations): No longer call
6135 simplify_cond_and_lookup_avail_expr.
6136 * tree-flow.h (potentially_threadable_block): Prototype.
6137 (thread_across_edge): Likewise.
6138 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6139 (tree-ssa-threadedge.o): Add dependencies.
6140 * tree-ssa-threadedge.c: New file.
6141 * passes.c (init_optimization_passes): Merge PHIs before
6142 calling VRP. Run VRP again late in the SSA optimization pipeline.
6144 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6146 * df-core.c (df_set_blocks): Do not dereference function pointers.
6147 (df_finish1): Likewise.
6148 (df_hybrid_search_forward): Likewise.
6149 (df_hybrid_search_backward): Likewise.
6150 (df_iterative_dataflow): Likewise.
6151 (df_analyze_problem): Likewise.
6152 (df_compact_blocks): Likewise.
6153 (df_dump): Likewise.
6154 * df-scan.c (df_rescan_blocks): Likewise.
6155 (df_record_entry_block_defs): Likewise.
6157 * genconditions.c (write_conditions): Guard the definition of
6158 'insn_conditions' with the check on GCC version.
6159 (write_writer): Guard the traversal 'insn_conditions' with
6160 the check on GCC version.
6162 2006-02-07 Richard Guenther <rguenther@suse.de>
6166 2006-01-30 Richard Guenther <rguenther@suse.de>
6168 * gimplify.c (gimplify_target_expr): Handle easy cases
6169 without creating a temporary.
6171 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6173 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6174 use of float in probability computations. Use edge probabilities
6175 in place of statically computed probabilities.
6176 (min_spec_prob): New static variable.
6177 (schedule_insns): Initialize it.
6178 (GET_SRC_PROB): Removed.
6179 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6181 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6184 * config/ia64/unwind-ia64.c: Revert last change.
6185 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6186 (INCOMING_FRAME_SP_OFFSET): Define.
6188 2006-02-06 Roger Sayle <roger@eyesopen.com>
6190 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6192 2006-02-07 Ben Elliston <bje@au.ibm.com>
6194 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6195 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6196 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6197 (ix86_return_in_memory): Handle TDmode.
6198 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6199 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6201 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6203 * reorg.c (dbr_schedule): Use dump_file instead of file.
6205 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6208 * config/ia64/predicates.md (extr_len_operand): New predicate.
6209 * config/ia64/ia64.md (extv): Tighten constraints.
6211 (*tbit_and_2): Ditto.
6212 (*tbit_and_3): Ditto.
6213 (*tbit_or_2): Ditto.
6214 (*tbit_or_3): Ditto.
6218 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6221 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6223 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6225 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6226 loop_optimizer_init and loop_optimizer_finalize
6227 * tree-ssa-sink.c (execute_sink_code): Ditto.
6228 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6229 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6230 tree_ssa_loop_done): Ditto.
6231 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6232 * sched-ebb.c: Include output.h.
6233 (schedule_ebbs): Do not use dump argument.
6234 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6235 * loop.c (loop_dump_stream): Removed.
6236 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6238 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6239 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6240 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6241 loop_iterations, strength_reduce, record_biv, record_giv,
6242 final_giv_value, check_final_value, check_ext_dependent_givs,
6243 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6244 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6245 dump_file instead of loop_dump_stream.
6246 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6248 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6250 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6251 * haifa-sched.c: Include output.h
6252 (schedule_insns, sched_init): Do not use dump argument.
6253 * mode-switching.c (optimize_mode_switching): Ditto.
6254 * modulo-sched.c (stats_file): Removed.
6255 (print_node_sched_params): Do not call argument dump_file.
6256 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6257 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6259 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6261 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6262 rtl_loop_init, rtl_loop_done): Ditto.
6263 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6264 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6266 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6267 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6268 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6269 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6270 * emit-rtl.c (renumber_insns): Ditto.
6271 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6272 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6273 * regclass.c (regclass): Ditto.
6274 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6275 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6276 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6277 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6279 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6280 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6282 * gcse.c (gcse_file, debug_stderr): Removed.
6283 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6284 rest_of_handle_gcse): Do not use dump argument.
6285 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6286 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6287 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6288 compute_code_hoist_vbeinout, compute_code_hoist_data,
6289 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6290 compute_store_table, build_store_vectors, insert_insn_start_bb,
6291 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6292 store_motion): Use dump_file instead of gcse_file.
6293 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6294 * profile.c (profile_dump_file): Removed.
6295 (branch_prob): Use dump_file instead of profile_dump_file.
6296 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6298 * tree-ssa-copy.c (dump_copy_of): Ditto.
6299 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6300 dump file to life_analysis.
6301 * bt-load.c (branch_target_load_optimize): Ditto.
6302 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6304 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6305 regclass, dbr_schedule): Declaration changed.
6306 * sched-int.h (sched_init): Declaration changed.
6307 * tree-profile.c (tree_profile_dump_file): Removed.
6308 (tree_profile_hooks): Removed profile_dump_file hook.
6309 * rtl-profile (rtl_profile_dump_file): Removed.
6310 (rtl_profile_hooks): emoved profile_dump_file hook.
6311 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6313 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6314 * tree-cfg.c (build_tree_cfg): Ditto.
6315 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6316 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6317 Declaration changed.
6318 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6319 life_analysis and schedule_insns.
6320 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6322 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6324 * config/mips/mips.c (mips_reorg): Ditto.
6325 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6328 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6330 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6331 (s390_mangle_fundamental_type): New.
6332 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6335 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6336 (alpha_mangle_fundamental_type): New.
6337 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6340 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6342 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6344 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6345 (sparc_mangle_fundamental_type): New.
6347 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6349 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6350 (s390x-*-linux*): Likewise.
6351 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6352 * config/s390/t-linux: New file.
6354 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6356 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6357 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6359 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6361 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6362 (ANTIC_SAFE_LOADS): New macro.
6363 (find_or_generate_expression): Add prototype.
6364 (set_contains_value): Allow null set for sake of not always having
6365 to allocate ANTIC_SAFE_LOADS.
6366 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6367 Allow COMPONENT_REF too.
6368 (valid_in_set): Allow COMPONENT_REF.
6369 Check ANTIC_SAFE_LOADS too.
6370 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6371 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6373 (can_PRE_operation): Add COMPONENT_REF.
6374 (create_component_ref_by_pieces): New function.
6375 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6376 (insert_aux): Move AGGREGATE_TYPE_P check here.
6377 (compute_avail): Set bb local stmt uids.
6378 (pass_pre): Use TODO_update_ssa_only_virtuals.
6380 2006-02-06 Ben Elliston <bje@au.ibm.com>
6382 * configure.ac: Unconditionally disable decimal float by default.
6383 * configure: Regenerate.
6385 2006-02-06 Ben Elliston <bje@au.ibm.com>
6387 * read-rtl.c (read_name): Terminate reading on EOF.
6389 2006-02-06 Ben Elliston <bje@au.ibm.com>
6391 * dfp.c (decimal_real_arithmetic): Change second argument type
6392 from int to enum tree_code. Do not always return true, but now
6393 return result of any call to decimal_do helper functions.
6394 * dfp.h (decimal_real_arithmetic): Update prototype.
6396 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6398 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6400 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6403 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6406 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6408 * tree-vrp.c (cfg_loops): Removed.
6409 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6410 Use current_loops instead of cfg_loops. Pass flags to
6411 loop_optimizer_init.
6412 * cfgloopmanip.c (fix_loop_structure): Update only available
6414 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6415 loop_optimizer_init.
6416 * modulo-sched.c (build_loops_structure): Removed.
6417 (sms_schedule): Use loop_optimizer_init.
6418 * loop-init.c (loop_optimizer_init): Use flags to determine
6419 which properties of loops to prepare.
6420 (rtl_loop_init): Pass flags to loop_optimizer_init.
6421 * tree-ssa-sink.c (execute_sink_code): Ditto.
6422 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6423 * tree-ssa-pre.c (init_pre): Ditto.
6424 * cfgloop.h (LOOPS_NORMAL): New.
6425 (loop_optimizer_init): Declaration changed.
6427 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6429 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6430 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6432 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6434 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6436 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6437 * pa/t-pa64: Delete quadlib.c rule.
6438 * pa/x-ada: Revert last change.
6439 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6441 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6443 PR rtl-optimization/26087
6444 * rtlanal.c (canonicalize_condition): Do not cross basic block
6447 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6450 * config/ia64/ia64.c: Include debug.h.
6451 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6452 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6453 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6454 (process_epilogue, process_set, process_for_unwind_directive):
6455 Output unwind info only if requested. Add CFA info if requested.
6456 Add new arguments as needed. Adjust callers.
6457 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6459 (DWARF2_FRAME_INFO): Define to zero.
6460 * config/ia64/unwind-ia64.c: Remove code that compensated for
6461 the CFA offset error fixed above.
6462 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6463 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6464 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6465 -funwind-tables and -fexceptions to enable frame info.
6466 (dwarf2out_frame_init): Define initial CFA even if
6467 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6468 DWARF2_UNWIND_INFO is nonzero, not just defined.
6469 (dwarf2out_frame_finish): Output non-EH call frame info only
6470 if DWARF2_FRAME_INFO is nonzero.
6471 (convert_cfa_to_loc_list,
6472 compute_frame_pointer_to_cfa_displacement): Define even if
6473 unwind info is not supported.
6474 (gen_subprogram_die): Use the above unconditionally. Remove
6475 legacy alternate code.
6476 * toplev.c (compile_file): Compile in call to
6477 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6478 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6480 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6481 Jakub Jelinek <jakub@redhat.com>
6483 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6484 IBM extended float format long double as "g" on powerpc*-linux.
6486 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6489 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6490 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6492 2006-02-03 Jason Merrill <jason@redhat.com>
6495 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6498 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6499 on the return slot if it's an NRV.
6501 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6503 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6504 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6505 rewrite_use): Do not handle USE_OUTER.
6506 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6507 add_iv_outer_candidates, may_replace_final_value,
6508 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6509 (find_interesting_uses_op): Functionality of
6510 find_interesting_uses_outer_or_nonlin moved here.
6511 (find_interesting_uses_outside): Use find_interesting_uses_op.
6513 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6516 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6518 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6519 Ulrich Weigand <uweigand@de.ibm.com>
6522 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6523 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6524 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6525 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6527 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6528 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6529 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6530 Define secondary reloads for TFmode moves.
6531 (constant_modes): Add TFmode.
6532 (NR_C_MODES): Set to 8.
6533 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6535 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6536 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6537 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6538 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6539 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6540 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6541 (FPR mode macro): Add TFmode.
6542 (DSF mode macro): New.
6543 (<de>, <dee> mode attributes): Removed.
6544 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6545 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6546 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6547 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6548 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6549 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6550 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6551 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6552 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6553 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6554 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6555 "*negabs<mode>2", "sqrt<mode>2"):
6556 Changed <de> to <xde>. R constraint replaced by <Rf>.
6557 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6559 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6560 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6561 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6563 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6564 "extenddftf2", "extendsftf2"): New expanders.
6565 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6566 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6567 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6568 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6570 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6571 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6572 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6573 __floatditf): Add a GCC_4.1.0 symbol version tag.
6574 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6577 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6580 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6581 Use targetm.binds_local_p instead of TREE_PUBLIC.
6583 2006-02-02 Roger Sayle <roger@eyesopen.com>
6585 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6586 on INTEGER_TYPEs to indicate that it denotes a character type.
6587 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6588 signed_char_type_node, unsigned_char_type_node and char_type_node.
6589 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6590 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6591 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6593 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6594 Daniel Berlin <dberlin@dberlin.org>
6596 * tree-tailcall.c (arg_needs_copy_p): New function.
6597 (eliminate_tail_call): Use arg_needs_copy_p.
6598 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6599 (add_virtual_phis): New function.
6601 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6603 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6604 #ignore instead of #scratch for %g7 .register directive.
6606 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6608 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6611 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6613 * flow.c (calculate_global_regs_live): Assert that there aren't any
6616 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6618 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6620 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6621 bsi_after_labels iterator.
6622 * tree-if-conv.c (find_phi_replacement_condition,
6623 replace_phi_with_cond_modify_expr): Likewise.
6624 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6625 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6627 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6629 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6631 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6634 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6635 array after growing it.
6637 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6640 * fold-const.c (fold_checksum_tree): Change type of buf.
6642 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6644 * reload.c (push_secondary_reload): Initialize t_icode.
6646 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6648 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6649 -msoft-float -mlong-double-128 only issue a warning, but don't
6650 swich to DFmode long double.
6652 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6654 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6655 has a constant equivalent, iterate over equivalents for arg0,
6656 calling simplify_relational_operation and if there's a result
6657 cheaper than X, apply fold_rtx and return the result.
6659 2006-02-01 Jan Hubicka <jh@suse.cz>
6661 * opts.c (no_unit_at_a_time_default): New global variable.
6662 (decode_options): Use it.
6663 * opts.h (no_unit_at_a_time_default): Declare.
6665 2006-02-01 Paul Brook <paul@codesourcery.com>
6667 * function.c (assign_parm_setup_reg): Use function argument promotion
6669 * expr.c (expand_expr_real_1): Use function argument promotion rules
6672 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6674 * gcc.c (process_command): Change j to 'unsigned int'.
6676 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6679 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6680 Use the corrected index for the character
6681 out of the string constant.
6683 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6685 * mode-switching.c (optimize_mode_switching): Fix size
6686 allocated for bb_info[n_entities].
6688 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6690 * gcc.c (main): Correct type that is allocated for
6691 explicit_link_files.
6693 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6695 * config/s390/s390.c (init_alignment_context): Set
6696 ALIAS_SET_MEMORY_BARRIER on the MEM.
6697 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6699 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6702 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6704 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6707 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6709 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6710 * regrename.c: Ditto.
6711 * tree-ssa-loop-im.c: Ditto.
6712 * tree-dump.c: Ditto.
6713 * tree-complex.c: Ditto.
6714 * genrecog.c: Ditto.
6715 * tree-ssa-threadupdate.c: Ditto.
6717 * java/class.c: Ditto.
6718 * java/jcf-parse.c: Ditto.
6719 * java/resource.c: Ditto.
6720 * java/except.c: Ditto.
6721 * java/jvspec.c: Ditto.
6722 * java/jcf-write.c: Ditto.
6723 * java/jcf-path.c: Ditto.
6724 * java/gjavah.c: Ditto.
6725 * java/zextract.c: Ditto.
6726 * java/jcf-io.c: Ditto.
6727 * java/jcf.h: Ditto.
6728 * java/buffer.c: Ditto.
6729 * java/lang.c: Ditto.
6730 * java/parse-scan.y: Ditto.
6731 * java/lex.c: Ditto.
6732 * java/lex.h: Ditto.
6733 * cfgloopmanip.c: Ditto.
6734 * postreload-gcse.c: Ditto.
6735 * tree-ssa-loop-manip.c: Ditto.
6736 * postreload.c: Ditto.
6737 * tree-ssa-loop-ch.c: Ditto.
6741 * diagnostic.c: Ditto.
6743 * genoutput.c: Ditto.
6745 * cfghooks.c: Ditto.
6746 * cfgloopanal.c: Ditto.
6747 * objc/objc-act.c: Ditto.
6749 * genextract.c: Ditto.
6750 * genautomata.c: Ditto.
6751 * pretty-print.c: Ditto.
6753 * cgraphunit.c: Ditto.
6756 * haifa-sched.c: Ditto.
6757 * dominance.c: Ditto.
6759 * tree-ssa-loop-ivopts.c: Ditto.
6761 * mode-switching.c: Ditto.
6762 * modulo-sched.c: Ditto.
6764 * ipa-pure-const.c: Ditto.
6766 * fix-header.c: Ditto.
6768 * tree-stdarg.c: Ditto.
6769 * ipa-utils.c: Ditto.
6770 * loop-init.c: Ditto.
6771 * ipa-inline.c: Ditto.
6774 * alloc-pool.c: Ditto.
6775 * dwarf2out.c: Ditto.
6777 * genattrtab.c: Ditto.
6778 * tree-ssa-loop-ivcanon.c: Ditto.
6782 * fortran/gfortranspec.c: Ditto.
6784 * local-alloc.c: Ditto.
6785 * langhooks.c: Ditto.
6786 * function.c: Ditto.
6787 * tree-vectorizer.c: Ditto.
6789 * ipa-type-escape.c: Ditto.
6791 * tree-if-conv.c: Ditto.
6794 * tree-data-ref.c: Ditto.
6795 * loop-unroll.c: Ditto.
6796 * treelang/treetree.c: Ditto.
6799 * ggc-common.c: Ditto.
6801 * coverage.c: Ditto.
6803 * tree-cfgcleanup.c: Ditto.
6804 * tree-ssa-pre.c: Ditto.
6805 * cfgcleanup.c: Ditto.
6806 * loop-invariant.c: Ditto.
6808 * ipa-prop.c: Ditto.
6809 * print-tree.c: Ditto.
6810 * conflict.c: Ditto.
6811 * ggc-page.c: Ditto.
6812 * sched-deps.c: Ditto.
6813 * regclass.c: Ditto.
6814 * tree-object-size.c: Ditto.
6816 * bb-reorder.c: Ditto.
6817 * resource.c: Ditto.
6818 * var-tracking.c: Ditto.
6820 * df-problems.c: Ditto.
6821 * reg-stack.c: Ditto.
6824 * sched-rgn.c: Ditto.
6825 * tree-ssa-structalias.c: Ditto.
6826 * tree-ssa-reassoc.c: Ditto.
6827 * config/darwin-c.c: Ditto.
6828 * config/darwin.c: Ditto.
6829 * config/arm/arm.c: Ditto.
6831 * collect2.c: Ditto.
6834 2006-01-31 Nicolas Pitre <nico@cam.org>
6836 * arm.md (smaxsi3): Make aware of smax_m1.
6839 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6841 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6843 2006-01-31 Richard Guenther <rguenther@suse.de>
6845 * doc/invoke.texi (-msselibm): Document.
6846 * target.h (expand_library_builtin): New target hook.
6847 * builtins.c (expand_builtin): Use expand_library_builtin.
6848 (default_expand_library_builtin): New function.
6849 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6850 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6851 (link_gcc_math_spec): Declare.
6852 (static_specs): Add link_gcc_math_spec.
6853 * expr.h (default_expand_library_builtin): Declare.
6854 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6855 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6856 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6857 * config/i386/i386.opt (msselibm): New target option.
6858 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6859 (ix86_init_sse_abi_builtins): New function.
6860 (ix86_expand_library_builtin): Likewise.
6861 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6862 (override_options): Handle error conditions wrt -msselibm.
6863 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6864 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6865 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6868 2006-01-31 Richard Guenther <rguenther@suse.de>
6869 Paolo Bonzini <bonzini@gnu.org>
6871 * doc/install.texi (--disable-libgcc-math): Document.
6873 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6875 * expr.h (expand_normal): new inline function.
6876 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6878 * dwarf2out.c: use it.
6883 * config/sparc/sparc.c: use it.
6884 * config/i386/i386.c: use it.
6885 * config/rs6000/rs6000.c: use it.
6886 * config/arm/arm.c: use it.
6887 * config/mips/mips.c: use it.
6888 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6890 2006-01-30 Roger Sayle <roger@eyesopen.com>
6892 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6893 argv to the appropriate type.
6895 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6897 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6900 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6903 * config/s390/s390.c (struct machine_function): New flag
6904 decomposed_literal_pool_addresses_ok_p.
6905 (s390_reorg): Set it before final stage of literal pool transforms.
6906 (s390_decompose_address): Only accept displacements of the form
6907 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6909 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6911 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6912 the comparison routine return.
6914 2006-01-30 Michael Matz <matz@suse.de>
6916 * global.c (find_reg): Only evict for global regs.
6917 Take n_refs into account and dump more info.
6919 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6922 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6923 (pragma_trap, pragma_nosave_low_regs): Likewise.
6924 (current_function_anonymous_args): Likewise.
6925 (sh_deferred_function_attributes): New variable.
6926 (sh_deferred_function_attributes_tail): Likewise.
6927 (print_operand): For '@', look up trap_exit attribute.
6928 (calc_live_regs): Look up trapa_handler attribute. For trapa
6929 handlers, save/restore fpscr, but don't do any other
6930 interrupt-specific saves.
6931 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6932 Fix check for partially saved registers to check for SHmedia.
6933 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6934 (sh_output_function_epilogue): Don't clear any of the removed
6936 (sh_insert_attributes): Don't check pragma_interrupt.
6937 Insert deferred attributes. Check that interrupt attribute is
6938 present for other attributes that require its presence.
6939 (sh_attribute_table): Add new attributes trapa_handler and
6941 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6942 Don't check for pragma_interrupt. Don't store argument.
6943 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6944 (sh_deferred_function_attributes): Declare.
6945 (sh_deferred_function_attributes_tail): Likewise.
6946 * sh.md (sp_switch_1): Add operand. Change generator caller.
6947 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6948 (*return_i): Don't use when trap_exit attribute is in effect.
6949 (*return_trapa): New insn pattern.
6951 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6952 setting c_target_objs and cxx_target_objs.
6953 * t-sh: Add rule for sh-c.o.
6955 2006-01-30 Richard Guenther <rguenther@suse.de>
6958 * gimplify.c (gimplify_target_expr): Handle easy cases
6959 without creating a temporary.
6961 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6963 * vec.h (safe_grow): Remove duplicated line.
6965 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6968 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6969 (expand_omp): ... here.
6970 (expand_omp_parallel): Only remove barriers for combined
6971 parallel+workshare constructs.
6973 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6977 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6978 * tree.c (build_qualified_type): Chain the new type to the original
6979 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6980 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6981 (build_pointer_type_for_mode): Only return unqualified types.
6982 (build_reference_type_for_mode): Likewise.
6984 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6986 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6987 * Makefile.in (CXX_COMPAT_WARN): Define.
6988 * configure: Regenerate.
6990 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6993 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6996 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6998 * toplev.c: Fix thinko.
7000 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7001 Marcin Dalecki <martin@dalecki.de>
7003 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7004 (push_srcloc): Use XNEW.
7005 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7007 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7009 * df-core.c (df_set_blocks): Deleted all variable.
7011 2006-01-28 Ian Lance Taylor <ian@airs.com>
7013 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7014 cgraph_output_pending_asms.
7016 2006-01-28 Zack Weinberg <zackw@panix.com>
7018 * c.opt: Add -W(no-)overlength-strings.
7019 * doc/invoke.texi: Document it.
7020 * c-opts.c (c_common_handle_option): -pedantic implies
7021 -Woverlength-strings, if not explicitly disabled already.
7022 (c_common_post_options): -Woverlength-strings defaults to off, and
7023 is always off for C++.
7024 * c-common.c (fix_string_type): Issue warning about strings longer
7025 than is portable only if warn_overlength_strings. Rearrange code
7026 a little for clarity.
7027 * configure.in: Check for -Wno-overlength-strings as well before
7028 enabling -pedantic in stage 1.
7029 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7030 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7032 * genconditions.c (write_header, write_one_condition)
7033 (write_conditions, write_writer): Consolidate very long strings
7034 that were broken up to fit in C89 portable limit. Don't use
7035 printf when fputs will do.
7037 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7039 * combine.c (simplify_comparison <AND>): Check
7040 TRULY_NOOP_TRUNCATION before start using a subreg.
7042 * config/mips/mips.md (*branch_zero<mode>,
7043 *branch_zero<mode>_inverted, *branch_equality<mode>,
7044 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7045 Remove mode check from comparisons.
7047 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7049 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7051 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7053 * expmed.c (const_mult_add_overflow_p): Remove.
7054 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7056 * recog.c (validate_replace_rtx_subexp): Remove.
7057 * recog.h: Remove the prototype for
7058 validate_replace_rtx_subexp.
7060 * integrate.h: Remove the prototype for
7061 copy_decl_for_inlining.
7062 * rtl.h: Remove the prototype for mark_constant_function.
7063 * tree-vectorizer.h: Remove the prototype for
7064 vect_strip_conversion.
7066 * modulo-sched.c (create_partial_schedule,
7067 free_partial_schedule, reset_partial_schedule): Make them
7070 * hooks.c (hook_bool_rtx_int_false): Remove.
7071 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7073 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7075 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7076 and -mlong-double-128 are incompatible.
7077 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7078 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7079 (TARGET_LIBGCC2_CFLAGS): Define.
7080 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7081 (TARGET_LIBGCC2_CFLAGS): Same.
7082 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7084 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7087 * c-typeck.c (build_binary_op): Perform implicit casts of
7088 operands before shortening them.
7090 * cfgloopmanip.c (split_loop_bb): Remove.
7091 * cfgloop.h: Remove the prototype for split_loop_bb.
7093 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7094 * cfgloop.h: Remove the prototype for
7095 flow_loop_outside_edge_p.
7097 * emit-rtl.c (init_virtual_regs): Make it static.
7098 * function.h: Remove the prototype for init_virtual_regs.
7100 * recog.c (peephole2_optimize): Make it static.
7101 * recog.h: Remove the prototype for peephole2_optimize.
7103 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7105 * df-scan.c (df_record_entry_block_defs): Check if
7106 INCOMING_RETURN_ADDR_RTX is defined.
7108 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7109 Kenneth Zadeck <zadeck@naturalbridge.com>
7111 PR rtl-optimization/24762
7112 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7113 * targhooks.c (hook_void_bitmap): New hook prototype.
7114 * targhoohs.h (hook_void_bitmap): Ditto.
7115 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7116 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7117 * target.h (live_on_entry): New function pointer.
7118 * df-scan.c (df_all_hard_regs): Removed.
7119 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7120 (df_scan_free_internal): Added df->entry_block_defs.
7121 (df_scan_alloc): Ditto.
7122 (df_scan_dump): Ditto.
7123 (df_uses_record): Plumbed flag field properly thru calls.
7124 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7125 This part fixes PR24762.
7126 (df_bb_refs_record): Added code to make the frame and arg
7127 pointers live in EH blocks.
7128 (df_refs_record): Added call to df_record_entry_block_defs.
7129 (df_record_entry_block_defs): New function.
7130 * df-core.c: Added comments to describe new artifical defs.
7131 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7132 (entry_block_defs): New field in struct df.
7133 (df_all_hard_regs): Deleted.
7134 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7135 * df-problems.c (df_ru_bb_local_compute_process_def):
7136 Added code to handle artifical defs in the entry to a function.
7137 (df_ru_bb_local_compute): Ditto.
7138 (df_rd_bb_local_compute_process_def): Ditto.
7139 (df_rd_bb_local_compute): Ditto.
7140 (df_lr_bb_local_compute): Ditto.
7141 (df_ur_bb_local_compute): Ditto.
7142 (df_urec_bb_local_compute): Ditto.
7143 (df_chain_create_bb): Ditto.
7144 (df_ur_local_finalize): Removed entry.
7145 (df_urec_init): Ditto.
7146 (df_urec_local_finalize): Ditto.
7147 (df_ri_bb_compute): Added detection of last use of pseudos.
7148 * Makefile.in (df-scan.o): Updated dependencies.
7149 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7150 * config/mips/mips.c (mips_set_live_on_entry): Added.
7151 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7153 * dce.c (marked_insn_p): Added code to handle artifical defs.
7155 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7157 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7159 (_mm_cvtsi128_si64): Likewise.
7160 (_mm_cvtsd_si64): Likewise.
7161 (_mm_cvttsd_si64): Likewise.
7162 (_mm_cvtsi64_sd): Likewise.
7163 (_mm_cvtsi64_si128): Likewise.
7164 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7165 (_mm_cvtsi64_m64): Likewise.
7166 (_m_to_int64): Likewise.
7167 (_mm_cvtm64_si64): Likewise.
7168 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7169 (_mm_cvttss_si64): Likewise.
7170 (_mm_cvtsi64_ss): Likewise.
7171 (_mm_cvtss_f32): Likewise.
7173 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7175 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7176 for pragma redefine_extname.
7178 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7181 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7182 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7183 -mno-minimal-toc to previous content.
7184 (bispecs): Remove goal.
7185 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7186 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7187 compatibility aliases on powerpc-*-*gnu*.
7188 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7189 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7190 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7191 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7192 (ldblspecs): New goal.
7193 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7194 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7196 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7197 L_sf_to_tf or L_df_to_tf is defined.
7199 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7200 Alan Modra <amodra@bigpond.net.au>
7203 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7204 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7205 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7206 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7207 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7208 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7209 (rs6000_override_options): Initialize rs6000_ieeequad.
7210 Initialize TFmode format to ibm_extended_format if not
7212 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7214 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7215 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7216 (function_arg_advance): IBM long double passed in two FPRs, not
7218 (function_arg): IBM long double passed in FPRs.
7219 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7220 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7221 Only multireg GPR aligned.
7222 (rs6000_init_libfuncs): Enable IBM long double functions if not
7224 (rs6000_generate_compare): Use IBM long double compare if not
7226 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7227 (TARGET_IEEEQUAD): Define.
7228 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7229 not TARGET_IEEEQUAD.
7230 * config/rs6000/rs6000.md: Enable TFmode patterns if
7232 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7233 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7234 and -mlong-double-128 are incompatible.
7235 * doc/invoke.texi (-mabi): Collect options together. Add
7236 ibmlongdouble and ieeelongdouble.
7238 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7240 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7242 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7243 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7244 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7245 * rtl.h (rtunion_def): Remove rt_ptr.
7247 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7248 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7249 * config/i386/winnt.c (i386_pe_mark_dllexport)
7250 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7252 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7254 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7256 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7260 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7261 pthread_key_delete. From John David Anglin. gthrw-ify
7262 pthread_getunique_np only if it it's not a macro. Delete
7264 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7265 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7266 __gthread_objc_condition_signal, __gthread_key_delete): Add
7267 "__attribute__ ((__unused__))" to unused arguments.
7268 (__gthread_recursive_mutex_init_function): Add missing return.
7269 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7270 gthr-posix95.h: Use macro-based approach for name redirection
7271 on targets missing weakref.
7273 2006-01-26 Zack Weinberg <zackw@panix.com>
7275 * genconditions.c (write_header): In generated code, #ifdef out
7276 all includes and fake declarations, except includes of bconfig.h
7277 and system.h, unless GCC_VERSION >= 3001. Do not include
7278 gensupport.h in any case.
7279 (write_conditions): Generate a definition of struct c_test. Add
7280 a comment to the generated #endif.
7281 (write_one_condition): Escape backslashes in string too.
7282 (write_writer): Generated code must escape backslashes and quote
7283 marks (but not newlines) in the strings it writes.
7284 * Makefile.in (build/gencondmd.o): Update dependencies.
7286 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7289 * Makefile.in (insn-automata.o): Add header file dependencies.
7290 * genautomata.c: Add includes.
7292 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7295 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7297 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7299 * configure.ac: Expect target tools paths to be passed from the toplevel
7300 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7302 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7304 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7307 * c.opt (Wpointer-sign): Init to -1.
7308 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7309 OPT_pedantic, to 0 otherwise.
7310 * doc/invoke.texi: Update.
7312 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7314 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7315 constants provided by 80387 instructions in the destination mode.
7317 2006-01-26 Richard Guenther <rguenther@suse.de>
7318 Andrew Pinski <pinskia@physics.uc.edu>
7321 partial PR tree-opt/17064
7322 * tree-ssa-structalias.c (intra_create_variable_infos):
7323 Create heap variables for incoming parameters if
7324 flag_argument_noalias > 1.
7325 (find_what_p_points_to): Look through default defs of
7328 2006-01-26 Jeff Law <law@redhat.com>
7331 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7332 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7333 within the VR_RANGE, use the VR_RANGE as the result, not the
7335 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7336 bounds for the type.
7338 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7340 * tree-ssa-alias.c (maybe_create_global_var): Change
7341 subvar walking to an assertion that we don't have subvar'd variables.
7343 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7346 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7347 Use a new variable, inner. PARM_DECLs are always non-weak.
7349 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7351 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7354 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7356 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7358 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7360 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7361 (smax_insn, smin_insn, smax_0, smin_0): New.
7363 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7366 * config/cris/cris.c (cris_order_for_addsi3): New function.
7367 * config/cris/cris-protos.h: Prototype it.
7368 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7369 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7370 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7371 (split for "op.S1 [rx=rx+i],ry (swapped)")
7372 (split for "op(s|u).S1 [rx=rx+i],ry")
7373 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7374 Apply cris_order_for_addsi3 when generating addsi3 insns.
7376 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7378 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7379 (TREE_BLOCK): Add call to EXPR_CHECK.
7381 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7384 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7385 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7386 (dump_omp_clauses): ... here.
7387 (dump_generic_node): Handle OMP_CLAUSE.
7388 * tree.c (omp_clause_num_ops): New.
7389 (omp_clause_code_name): New.
7390 (tree_code_size): Handle OMP_CLAUSE.
7391 (tree_size): Likewise.
7392 (make_node): Document handling of OMP_CLAUSE.
7393 (tree_node_structure): Handle OMP_CLAUSE.
7394 (omp_clause_check_failed): New.
7395 (omp_clause_range_check_failed): New.
7396 (omp_clause_operand_check_failed): New.
7397 (build_omp_clause): New.
7398 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7399 * tree.h (enum omp_clause_code): Declare.
7400 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7401 (OMP_CLAUSE_RANGE_CHECK): Define.
7402 (OMP_CLAUSE_ELT_CHECK): Define.
7403 (omp_clause_check_failed): Declare.
7404 (omp_clause_operand_check_failed): Declare.
7405 (omp_clause_range_check_failed): Declare.
7406 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7407 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7408 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7409 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7410 (OMP_CLAUSE_IF_EXPR): Likewise.
7411 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7412 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7413 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7414 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7415 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7416 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7417 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7418 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7419 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7420 (OMP_CLAUSE_CODE): Define.
7421 (OMP_CLAUSE_SET_CODE): Define.
7422 (OMP_CLAUSE_CODE): Define.
7423 (OMP_CLAUSE_OPERAND): Define.
7424 (struct tree_omp_clause): Declare.
7425 (union tree_node): Add field 'omp_clause'.
7426 * treestruct.def (TS_OMP_CLAUSE): Define.
7427 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7428 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7429 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7430 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7431 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7432 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7433 (OMP_CLAUSE): Define.
7434 * print-tree.c (print_node): Handle OMP_CLAUSE.
7435 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7436 * c-typeck.c: Likewise.
7437 * gimplify.c: Likewise.
7438 * c-omp.c: Likewise.
7439 * tree-nested.c: Likewise.
7440 * tree-inline.c: Likewise.
7441 * c-parser.c: Likewise.
7442 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7445 2006-01-25 Roger Sayle <roger@eyesopen.com>
7447 PR rtl-optimization/25703
7448 * combine.c (try_combine): Handle zero_extract and strict_low_part
7449 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7451 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7453 * global.c: Fix comment typos.
7455 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7458 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7459 Use output_addr_const instead of assemble_name.
7461 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7463 * Makefile.in (sched-vis.o): Update dependencies.
7464 * haifa-sched.c (sched_finish): Clear current_sched_info.
7465 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7466 (dump_flow_info): Call it.
7467 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7469 * basic-block.h (dump_bb_info): Declare.
7470 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7471 option, and apply options only for dump files whose TDF_RTL,
7472 TDF_TREE, or TDF_IPA bits match.
7473 * rtl.h: Declare new functions exported from sched-vis.c.
7474 * sched-vis.c: Enable also if scheduling is not used.
7475 (print_value): Print the mode of registers if not inside scheduling.
7476 (print_insn): Make it work outside the scheduler. Beautify the output
7478 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7480 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7482 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7483 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7484 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7485 depending on the value of CONSTANT_POOL_ADDRESS_P.
7486 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7488 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7489 rather than SYMBOL_REF_DECL.
7490 (rtx_constant_pool): Remove const_rtx_sym_htab.
7491 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7492 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7493 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7494 Remove handling of const_rtx_sym_htab.
7495 (find_pool_constant): Delete.
7496 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7497 rather than find_pool_constant.
7498 (get_pool_constant_for_function): Delete.
7499 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7501 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7502 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7503 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7504 (SYMBOL_REF_CONSTANT): New macro.
7505 (get_pool_constant_for_function): Delete.
7506 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7507 rather than SYMBOL_REF_DECL.
7508 (i386_pe_mark_dllimport): Likewise.
7509 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7510 rather than SYMBOL_REF_DECL.
7511 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7512 (machopic_indirect_call_target): Likewise.
7514 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7516 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7518 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7520 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7522 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7524 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7526 2006-01-24 David Daney <ddaney@avtrex.com>
7529 * configure.ac (enable_tls): New enable option.
7530 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7531 * configure: Regenerate.
7532 * doc/install.texi (--enable-tls): Document new option.
7533 (--disable-tls): Ditto.
7535 2006-01-24 Richard Henderson <rth@redehat.com>
7537 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7538 * alias.c (true_dependence): Respect it.
7539 (canon_true_dependence, write_dependence_p): Likewise.
7540 * builtins.c (get_builtin_sync_mem): Set it.
7542 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7544 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7547 2006-01-24 DJ Delorie <dj@redhat.com>
7549 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7550 for storing constants in single-bit bitfields.
7552 2006-01-25 Ben Elliston <bje@au.ibm.com>
7554 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7556 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7559 * tree-ssa-pre.c (phi_translate): Return NULL
7560 for AGGREGATE_TYPE's.
7562 2006-01-24 Zack Weinberg <zackw@panix.com>
7564 * genautomata.c (process_state_for_insn_equiv_partition):
7565 Use xcalloc for insn_arcs_array.
7566 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7567 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7569 2006-01-24 Richard Henderson <rth@redhat.com>
7571 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7574 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7576 PR rtl-optimization/25890
7577 PR rtl-optimization/25905
7578 * combine.c (expand_compound_operation, expand_field_assignment):
7579 Fail if the bitfield's final position is out of bounds.
7581 2006-01-24 Ian Lance Taylor <ian@airs.com>
7584 * cgraphunit.c (cgraph_output_in_order): Don't clear
7585 cgraph_asm_nodes until after asm strings have been output.
7587 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7589 * fix-header.c (read_scan_file): Add new parameter imultilib when
7590 calling register_include_chains.
7592 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7594 * omp-low.c: Update documentation.
7596 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7597 Daniel Berlin <dberlin@dberlin.org>
7601 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7602 return from the function.
7604 2006-01-22 Zack Weinberg <zackw@panix.com>
7606 * rtl.def (match_code): Add second argument.
7607 * genpreds.c (write_extract_subexp): New function.
7608 (write_match_code): Add path argument. Use write_extract_subexp.
7609 (write_predicate_expr): Pass path to write_match_code.
7610 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7611 not perform a mode test.
7612 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7613 a subexpression does not constrain the top-level code set.
7614 * read-rtl.c (read_rtx_variadic): New function.
7615 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7616 * doc/md.texi: Document new notation.
7617 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7618 (cmpsi_operand): ... here, using new notation.
7620 2006-01-22 Zack Weinberg <zackw@panix.com>
7622 * varray.c: Remove GENERATOR_FILE #ifdefs.
7624 2006-01-22 Zack Weinberg <zackw@panix.com>
7626 * genautomata.c (output_reserved_units_table): Emit nothing if
7627 description->query_units_num is zero. Remove extra blank line.
7628 (output_cpu_unit_reservation_p): Short circuit
7629 if description->query_units_num is zero.
7631 2006-01-22 Zack Weinberg <zackw@panix.com>
7633 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7634 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7635 nor any of the random handful of variables that used to be necessary
7636 when this program was linked with rtlanal.o. Prune set of forward
7637 function declarations.
7638 (struct attr_desc): Remove static_p field.
7639 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7640 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7641 (attr_string): Do not read the character one past the length of
7643 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7644 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7645 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7646 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7647 (make_automaton_attrs): New.
7648 (main): Do not call into genautomata. Call local gen_bypass
7649 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7650 Remove special case for insn_alts.
7651 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7652 varray.h (leftover from previous change). Prune set of forward
7653 function declarations. Remove state_alts fields from all
7654 structures. Remove state_alts_table from struct automaton.
7655 Make everything except main static. Do not maintain num_dfa_decls.
7656 Do not maintain state_alts fields of various structures.
7657 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7658 (add_arc): Remove state_alts argument. All callers updated.
7659 (output_reserved_units_table): Emit #ifdef here...
7660 (output_tables): ...not here. Don't generate state_alts tables.
7661 (expand_automata): Don't generate attributes.
7662 (write_automata): Don't generate state_alts functions.
7663 (main): New function.
7664 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7665 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7666 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7667 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7668 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7669 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7670 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7671 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7673 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7674 * genattrtab.h: Delete file.
7675 * Makefile.in (OBJS-common): Add insn-automata.o.
7676 (insn-automata.o): New rule.
7677 (simple_generated_c): Add insn-automata.c.
7678 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7679 (genprogmd): Add automata.
7680 (build/genattrtab): Needs no extra objects nor libraries.
7681 (build/genautomata): Needs build/vec.o and -lm.
7683 2006-01-22 Zack Weinberg <zackw@panix.com>
7685 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7686 (output_dfa_max_issue_rate, locked_states_num): Delete.
7687 (struct automaton): Add locked_states field.
7688 (output_dead_lock_vect): Save number of locked states in
7689 automaton->locked_states. If it is zero, don't print anything.
7690 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7691 (output_internal_dead_lock_func): Only test the dead_lock_vect
7692 for automata that have locked states.
7693 (output_statistics): Always print the number of locked states for
7694 each automaton. Calculate total number of locked states here.
7695 (write_automata): Don't call output_dfa_max_issue_rate.
7696 * genattrtab.c: Define length_unit_log as a const variable.
7697 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7698 max_insn_queue_index const.
7699 * final.c (length_unit_log): Declare const.
7700 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7702 2006-01-22 Zack Weinberg <zackw@panix.com>
7704 * genautomata.c: Include vec.h, not varray.h.
7705 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7706 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7707 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7708 VEC_* macros operating on appropriately typed vectors, or to
7709 malloced arrays when the size is known in advance. Const-ify
7710 many char* variables and function arguments. No functional changes.
7711 * Makefile.in (build/varray.o): Delete rule.
7712 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7713 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7715 2006-01-22 Zack Weinberg <zackw@panix.com>
7717 * gensupport.c: Define get_insn_name and record_insn_name here.
7718 (read_md_rtx): Call record_insn_name as appropriate.
7719 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7720 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7721 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7723 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7724 (BUILD_VARRAY): Delete.
7725 (genprognormal): Rename genprogmd. Fold in all programs from
7726 genprognoprint; also attrtab.
7727 (build/genattrtab): Just mention genautomata.o and varray.o.
7728 Reorganize a bit, add comments to make the categories clearer.
7730 2006-01-22 Zack Weinberg <zackw@panix.com>
7732 * genconditions.c (condition_table, add_condition): Delete.
7733 (write_conditions): Don't emit n_insn_conditions nor
7734 insn_elision_unavailable. Issue the gcc version #ifdef here,
7735 inside the table, with no #else clause ...
7736 (write_header): ...not here.
7737 (write_writer): New function.
7738 (main): Don't initialize condition_table. Use add_c_test.
7740 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7741 files on the command line.
7742 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7743 Return -1 if there is no entry in the table, don't abort.
7744 (add_c_test, traverse_c_tests): New functions.
7745 * gensupport.h (insn_elision_unavailable, insn_conditions)
7746 (n_insn_conditions): Delete declarations.
7747 (add_c_test, traverse_c_tests): Declare.
7748 * read-rtl.c: Include gensupport.h.
7749 (read_conditions): New function.
7750 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7751 (read_rtx_1): If we get EOF when we were looking for an initial
7752 open paren, return 0. Call read_conditions when appropriate.
7753 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7754 dummy-conditions.o. Eliminate references to insn-conditions.o,
7755 or change them to build/gencondmd.o, as appropriate. Remove
7756 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7757 from $(simple_generated_c). For all files remaining in those
7758 two lists, add insn-conditions.md to the generator command line.
7759 Give insn-constants.h/s-constants their own rules. Add rules
7760 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7761 (build/read-rtl.o): Depend on gensupport.h.
7762 (genprognormal): Include preds.
7763 (genprogearly): Rename genprognoprint; only difference is now that
7764 they don't link with $(BUILD_PRINT).
7765 * dummy-conditions.c: Delete.
7767 2006-01-22 Zack Weinberg <zackw@panix.com>
7769 * genextract.c: Don't include insn-config.h. Do include vec.h.
7770 Declare vectors of int, char, and locstr.
7771 (locstr): New typedef.
7772 (struct extraction): Make all array fields into bare pointers.
7773 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7774 (insn_code_number): Delete.
7775 (accum_extract): New struct.
7776 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7777 (gen_insn): Take insn_code_number as an argument. Use an
7778 accum_extract structure instead of loading data directly into
7779 a struct extraction, and having to know how big it might get.
7780 (walk_rtx): Operate entirely on an accum_extract structure.
7781 (print_path): Avoid unnecessary use of printf.
7782 (print_header): New function, split out of main. Distinguish
7783 more carefully between an unrecognizable insn and an insn that
7784 has the code number of a define_expand.
7785 (main): Pass insn_code_number to gen_insn. Call print_header
7786 only after parsing. Avoid unnecessary use of printf.
7787 * Makefile.in (build/vec.o): New rule.
7788 (build/genextract): Depend on build/vec.o.
7789 (build/genextract.o): Don't depend on insn-config.h.
7791 2006-01-22 Zack Weinberg <zackw@panix.com>
7793 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7794 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7795 practical. Eliminate per-generator-program link rules.
7797 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7800 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7801 with a call expr to ...
7802 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7804 2006-01-23 Richard Guenther <rguenther@suse.de>
7806 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7807 before make_edge with conditional EDGE_TRUE_VALUE.
7809 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7810 Jan Hubicka <jh@suse.cz>
7811 Richard Guenther <rguenther@suse.de>
7813 PR rtl-optimization/25654
7814 * cfgexpand.c (aggregate_contains_union_type): New function.
7815 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7816 for structure variables that contain a union type.
7818 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7820 * gengtype.c (new_structure): Return the structure.
7821 (create_option): Add an extra "next" argument.
7822 (create_field): New function.
7823 (adjust_field_rtx_def): Use create_option and create_field.
7824 Remove a now-unnecessary call to find_structure.
7825 (adjust_field_tree_def): Likewise.
7826 (note_yacc_type): Remove an unnecessary call to find_structure.
7827 * gengtype.h (new_structure): Return the structure.
7828 (create_option): Add an extra argument.
7829 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7830 (option): Adjust calls to create_option.
7832 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7834 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7836 2006-01-22 Paul Brook <paul@codesourcery.com>
7837 Peter Barada <peter@the-baradas.com>
7839 * config/m68k/m68k.md: Add Coldfire FPU support.
7840 Define FP mode macro and associated attributes.
7841 Use it for float mode patterns.
7842 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7843 (LIBCALL_VALUE): Use m68k_libcall_value.
7844 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7845 (m68k_function_value): Ditto.
7846 (emit_move_sequence): Ditto.
7847 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7848 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7849 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7850 (MULTILIB_EXCEPTIONS): Ditto.
7851 * config/m68k/m68k.opt: Add mcfv4e.
7852 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7853 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7854 (m68k_output_function_prologue): Save ColdFire FPU registers.
7855 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7856 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7857 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7858 ColdFire FPU registers.
7859 (m68k_libcall_value, m68k_function_value): New functions.
7860 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7861 (LIBCALL_VALUE): Use m68k_libcall_value.
7862 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7863 (MASK_COLDFIRE): Add MASK_CFV4E.
7864 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7865 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7866 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7867 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7868 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7869 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7870 * doc/invoke.tex: Document -mcfv4e on m68k.
7872 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7874 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7877 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7880 * c-opts.c (c_common_handle_option): Don't include
7881 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7882 * doc/invoke.texi (C++ Dialect Options): Document that
7883 -Wnon-virtual-dtor is no longer included in -Wall.
7885 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7887 * gcov.c (print_version), gcov-dump.c (print_version),
7888 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7891 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7893 * df-scan.c (problem_SCAN): Added NULL reset function.
7894 (df_scan_reset_blocks): Added code to call reset block function
7895 (df_bb_refs_delete) Fixed comment.
7896 (df_insn_refs_delete): Made tolerant of deleting non existent info
7897 for dataflow problems that need to be reset.
7898 * df-core.c (df_set_blocks): Ditto.
7899 * df.h (struct df_problem): Added reset_fun.
7900 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7901 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7902 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7903 functions to clear out all references to def-use or use-def chains.
7905 2006-01-21 Ben Elliston <bje@au.ibm.com>
7907 * varasm.c (assemble_real): Initialise data array.
7909 2006-01-20 Paul Brook <paul@codesourcery.com>
7911 Merge from csl-arm-branch.
7912 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7913 * config/arm/arm.md (movdi): Force operands[1] to a register
7914 if we have a non-register source.
7915 (*arm_movdi, *movdf_soft_insn): Require that one of the
7916 operands be a register.
7917 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7918 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7920 2006-01-20 DJ Delorie <dj@redhat.com>
7922 * varasm.c (initialize_constant_valid_p): Allow pointers
7923 initialized from integer constants of lesser precision.
7924 (output_constant): Allow non-int-sized pointer modes to be
7925 initialized from integer constants.
7927 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7930 * cppdefault.h (struct default_include): Add multilib flag.
7931 * cppdefault.c (cpp_include_defaults): Set it.
7932 * c.opt (-imultilib): New option.
7933 * c-opts.c (imultilib): New.
7934 (c_common_handle_option): Handle -imultilib.
7935 (c_common_post_options): Likewise.
7936 * c-incpath.c (add_standard_paths, register_include_chains):
7938 * c-incpath.h (register_include_chains): Add extra parameter.
7939 * gcc.c (do_spec_1): Generate -imultilib option.
7940 (The Specs Language): Update %I description.
7941 (process_command): Update copyright notice.
7942 * doc/cppopts.texi (-imultilib): Document.
7943 * doc/invoke.texi (-imultilib): Include in option summary.
7944 (%I): Update specs documentation.
7946 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7948 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7950 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7952 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7955 2006-01-20 Richard Guenther <rguenther@suse.de>
7956 Steven Bosscher <stevenb.gcc@gmail.com>
7958 PR rtl-optimization/24626
7959 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7960 EDGE_TRUE_VALUE if in RTL mode.
7963 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7964 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7966 2006-01-20 Dirk Mueller <dmueller@suse.com>
7969 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7970 instead of a special NOP marker.
7971 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7972 NOP marker handling.
7973 * c-common.h (empty_body_warning): Add forward declaration.
7974 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7975 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7977 2006-01-20 Paul Brook <paul@codesourcery.com>
7979 * Makefile.in (lang_checks): Keep going if mkdir fails.
7981 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7983 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7984 be able to clean out basic block when not necessary.
7985 (df_scan_free): Fixed to properly delete information if df is
7986 unused before calling df_finish.
7987 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7988 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7990 (df_bb_refs_delete): New function.
7991 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7992 * df-core.c (df_set_blocks): Added code to properly clean out
7993 unused blocks if they are not part of the blocks to consider.
7994 Added additional null check.
7995 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7996 be able to clean out basic block when not necessary
7997 * df.h (df_free_bb_function): Ditto.
7998 (df_bb_refs_delete): New function.
7999 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8000 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8001 basic block parameter to be able to clean out basic block when not
8003 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8004 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8005 Fixed to properly delete information if df is unused before
8008 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8010 PR rtl-optimization/25799
8011 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8012 Corrected confluence operator to remove bits from op2 before oring
8013 with op1 rather than removing bits from op1.
8014 (df_ru_transfer_function): Corrected test on wrong bitmap which
8015 caused infinite loop. Both of these problems were introduced in
8016 the dataflow rewrite.
8018 2006-01-19 DJ Delorie <dj@redhat.com>
8020 * reload1.c (find_reload_regs): Note the details of reload
8021 failures in the dump file.
8022 (spill_failure): Likewise.
8024 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8026 * loop-iv.c: Include df.h and hashtab.h.
8027 (enum iv_grd_result): New enum.
8028 (DF_REF_IV, DF_REF_IV_SET): New macros.
8029 (struct biv_entry): New.
8030 (df, bivs): New global variables.
8031 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8032 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8034 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8035 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8036 analyzed_for_bivness_p, record_biv): New functions.
8037 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8038 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8039 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8041 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8043 (iv_number_of_iterations): Use new interface to iv analysis.
8044 * loop-unroll.c: Do not include varray.h.
8045 (analyze_iv_to_split_insn): Use new interface to iv
8047 * loop-unswitch.c (may_unswitch_on): Ditto.
8048 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8050 (df_bb_modify): Realloc tables to the new index.
8051 (df_find_use): New function.
8052 * df.h (df_find_use): Declare.
8053 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8055 * cfgloop.h (struct rtx_iv): Remove analysed field.
8056 (iv_get_reaching_def): Removed.
8057 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8058 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8059 (loop-iv.o): Add df.h and hashtab.h dependency.
8060 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8062 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8065 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8067 (__floatundisf, __floatundidf): Likewise.
8068 * libgcc2.h (IS_IBM_EXTENDED): Define.
8070 2006-01-19 DJ Delorie <dj@redhat.com>
8072 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8074 2006-01-19 Paul Brook <paul@codesourcery.com>
8076 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8077 as nothrow when unwinding tables are disabled.
8079 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8082 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8083 of bit-field" when in system header.
8085 2006-01-19 DJ Delorie <dj@redhat.com>
8087 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8088 the 16 bit shift limit of the m16c.
8090 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8093 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8094 * config/i386/i386.c (output_set_got): Output the label if we have one
8095 for the TARGET_DEEP_BRANCH_PREDICTION case.
8097 2006-01-19 Jan Hubicka <jh@suse.cz>
8098 H.J. Lu <hongjiu.lu@intel.com>
8099 Evandro Menezes <evandro.menezes@amd.com>
8101 * invoke.texi (generic): Document
8103 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8104 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8105 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8106 (x86_use_incdec, x86_pad_returns): New variables
8107 (TARGET_CPU_DEFAULT_generic): New constant
8108 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8109 (enum processor_type): Add generic32 and generic64.
8110 * i386.md (cpu attribute): Add generic32/generic64
8111 (movhi splitter): Behave sanely when both partial_reg_dependency and
8112 partial_reg_stall are set.
8113 (K8 splitters): Enable for generic as well.
8114 * predicates.md (incdec_operand): Use TARGET_INCDEC
8115 (aligned_operand): Avoid memory mismatch stalls.
8116 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8117 * ppro.md: Enable for generic32
8118 * i386.c (generic64_cost, generic32_cost): New.
8119 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8120 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8121 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8122 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8123 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8124 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8125 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8126 x86_accumulate_outgoing_args, x86_prologue_using_move,
8127 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8128 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8130 (x86_use_incdec, x86_pad_returns): New.
8131 (override_options): Add generic32 and generic64, translate "generic"
8132 to generic32/generic64 and "i686" to "generic32", refuse
8133 "generic32"/"generic64" as arch target.
8134 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8135 (ix86_reorg): Honor PAD_RETURNS.
8137 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8139 * tree-pretty-print.c (dump_generic_node): Handle
8140 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8141 * cgraph.c (cgraph_expand_queue): Rename from
8142 cgraph_analyze_queue. Update all users.
8143 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8144 cgraph_expand_queue.
8145 (cgraph_expand_all_functions): Likewise.
8146 (cgraph_finalize_pending_functions): Remove. Update callers.
8148 * tree.h (OMP_DIRECTIVE_P): Define.
8149 (OMP_PARALLEL_FN): Define.
8150 (OMP_PARALLEL_DATA_ARG): Define.
8151 (OMP_SECTIONS_SECTIONS): Define.
8152 * tree-pass.h (pass_expand_omp): Declare.
8153 * omp-low.c (struct omp_region): Declare.
8154 (struct omp_context): Remove fields 'parallel_type',
8155 'parallel_start_ix' and 'parallel_start_additional_args'.
8157 (struct omp_for_data): Rename from struct expand_omp_for_data.
8158 (omp_regions): New static variable.
8159 (root_omp_region): New static variable.
8160 (find_omp_clause): Make static.
8161 (is_in_combined_parallel_ctx): Remove.
8162 (is_combined_parallel): New.
8163 (extract_omp_for_data): Move earlier in the file.
8164 (workshare_safe_to_combine_p): New.
8165 (get_ws_args_for): New.
8166 (determine_parallel_type): Move earlier in the file.
8167 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8169 (omp_copy_decl): Likewise.
8170 (create_omp_child_function): Likewise.
8171 (lookup_omp_region): New.
8172 (dump_omp_region): New.
8173 (debug_omp_region): New.
8174 (debug_all_omp_regions): New.
8175 (new_omp_region): New.
8176 (scan_omp_parallel): If parallel_nesting_level > 1, the
8177 directive is nested within another parallel directive.
8178 Set OMP_PARALLEL_FN.
8179 (scan_omp_for): Do not try to handle combined parallel+for
8181 Remove FIXME comment.
8182 (scan_omp_nested): Remove.
8183 (scan_omp_1): Do not call scan_omp_nested when
8184 parallel_nesting_level is > 1.
8185 Do not change the DECL_CONTEXT of local variables found.
8186 (lookup_decl_in_outer_ctx): New.
8187 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8188 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8189 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8190 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8191 If CTX is nested, lookup VAR in the outer context when
8192 building copy assignment.
8193 (lower_send_clauses): Rename from expand_send_clauses.
8194 If CTX is nested, lookup VAR in the outer context when
8195 building copy assignments.
8196 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8197 If CTX is nested, lookup VAR in the outer context when
8198 building copy assignments.
8199 (expand_parallel_call): Rename from build_parallel_call.
8200 Handle combined parallel+workshare cases.
8201 Re-implement to emit code into the CFG.
8203 (expand_omp_parallel): Re-implement to emit code into the CFG.
8204 Call move_sese_region_to_fn to outline the sub-graph
8205 containing the parallel region.
8206 (expand_omp_for_1): Remove.
8207 (expand_omp_for_generic): Re-implement to emit code into the
8209 (expand_omp_for_static_nochunk): Likewise.
8210 (expand_omp_for_static_chunk): Likewise.
8211 (expand_omp_for): Likewise.
8212 (expand_omp_sections): Likewise.
8213 (remove_exit_barriers): New.
8214 (expand_omp_synch): New.
8216 (build_omp_regions_1): New.
8217 (build_omp_regions): New.
8218 (execute_expand_omp): New.
8219 (gate_expand_omp): New.
8220 (pass_expand_omp): Define.
8221 (lower_omp_sections): Rename from expand_omp_sections.
8222 Set OMP_SECTIONS_SECTIONS.
8223 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8224 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8225 (lower_omp_single): Rename from expand_omp_simple.
8226 (lower_omp_master): Rename from expand_omp_master.
8227 (lower_omp_ordered): Rename from expand_omp_ordered.
8228 (lower_omp_critical): Rename from expand_omp_critical.
8229 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8230 (lower_omp_for): Re-implement.
8231 (lower_omp_parallel): Re-implement.
8232 (lower_regimplify): Rename from expand_regimplify.
8233 (lower_omp_1): Rename from expand_omp_1.
8234 If there are syntax errors in the program, replace every
8235 OpenMP directive with NOP.
8236 Call lower_omp_* instead of expand_omp_*.
8237 (lower_omp): Rename from expand_omp.
8239 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8240 * tree-gimple.h (enum omp_parallel_type): Remove.
8241 (gimple_boolify): Declare extern.
8242 (find_omp_clause, determine_parallel_type): Remove.
8244 * gimple-low.c (lower_omp_directive): New.
8245 (lower_stmt): Call it.
8246 (record_vars_into): Move from ...
8247 (record_vars): ... here.
8248 Call record_vars_into with current_function_decl.
8250 * gimplify.c (struct gimplify_ctx): Remove fields
8251 combined_pre_p and combined_ctxp. Update users.
8252 (get_formal_tmp_var): Add documentation.
8253 (gimple_boolify): Make extern.
8254 (gimplify_expr_in_ctx): Remove. Update callers.
8255 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8256 will always be a BIND_EXPR.
8257 (gimplify_expr): Handle OMP_RETURN_EXPR.
8258 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8259 (OMP_PARALLEL): Add 3 operands.
8260 (OMP_SECTIONS): Add 1 operand.
8261 (OMP_RETURN_EXPR): Define.
8263 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8264 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8265 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8266 creating a circular free list.
8267 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8269 * tree-flow.h (move_sese_region_to_fn): Declare.
8270 (record_vars_into): Declare.
8271 * tree-cfg.c (make_omp_sections_edges): New.
8272 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8273 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8274 OMP_SECTIONS and OMP_SECTION.
8275 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8276 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8277 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8278 (gather_blocks_in_sese_region): New.
8279 (struct move_stmt_d): Declare.
8281 (move_block_to_fn): New.
8282 (move_sese_region_to_fn): New.
8284 * passes.c (init_optimization_passes): Schedule
8285 pass_expand_omp after pass_init_datastructures.
8287 * tree-ssa-operands.c (get_expr_operands): Handle
8288 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8289 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8291 2006-01-19 Jeff Law <law@redhat.com>
8293 * tree-vrp.c (extract_range_from_assert): Refine the result range
8294 if the variable referenced by the ASSERT_EXPR has a range and
8295 either the tentative result range or the previous range is a
8298 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8300 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8302 2006-01-19 Jan Hubicka <jh@suse.cz>
8304 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8306 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8308 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8309 (expand_compound_operation, expand_field_assignment): Fail if the
8310 bit lengths of an extract operation are out of range.
8311 (make_extraction): Compute wanted_inner_mode based on the position
8312 and length of the extraction. Make it extraction_mode for non-constant
8313 positions, and do not modify offset in that case. When generating a
8314 new MEM, use a mode that can hold the extraction while keeping correct
8315 alignment. Remove code that supported MEMs wrapped by USEs.
8316 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8318 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8320 * config/s390/s390.md ("Y", "y"): New mode attribute.
8321 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8322 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8323 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8324 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8325 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8326 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8327 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8328 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8329 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8330 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8331 "addsi3", "subsi3"): Insn patterns removed.
8332 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8333 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8334 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8335 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8336 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8337 "*sub<mode>3_cconly2"): New insn patterns.
8338 ("addsi3", "subsi3"): New expanders.
8340 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8342 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8343 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8344 existing STMT_VINFO_VECTYPE if available.
8345 (vect_mark_relevant): Add special handling for stmts that are
8346 marked as STMT_VINFO_IN_PATTERN_P.
8347 (vect_analyze_loop): Call vect_pattern_recog.
8348 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8349 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8351 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8352 (vect_recog_func_ptr): New function-pointer type.
8353 * tree-vect-patterns.c: New file.
8354 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8355 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8356 (vect_pattern_recog_1): New functions.
8357 (vect_pattern_recog_funcs): New array of function pointers.
8359 * tree-vectorizer.h (ternary_op): New enum value.
8360 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8361 declaration. Revised documentation. Removed redundant dump prints.
8362 Removed redundant argument. Added support for reduction patterns.
8363 (vectorizable_reduction): Added support for reduction patterns.
8364 (vect_transform_stmt): Added support for patterns.
8366 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8367 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8368 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8369 (expand_widen_pattern_expr): New function.
8370 (init_optabs): Initialize new optabs udot_prod_optab,
8372 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8373 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8374 (expand_widen_pattern_expr): New function declaration.
8375 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8377 * tree-inline.c (estimate_num_insns_1): Added cases for new
8378 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8379 * tree-pretty-print.c (dump_generic_node): Likewise.
8380 (op_prio): Likewise.
8381 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8382 * tree-ssa-operands.c (get_expr_operands): Added case for
8384 * tree-vect-patterns.c (widened_name_p): New function.
8385 (vect_recog_dot_prod_pattern): Added function implementation.
8386 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8387 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8388 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8389 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8391 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8392 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8393 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8394 (init_optabs): Initialize new optabs widen_ssum_optab,
8396 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8397 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8398 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8399 use instead of type of def.
8400 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8401 function implementation.
8402 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8403 widen_ssumv8hi): New.
8405 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8408 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8411 * c-decl.c (add_flexible_array_elts_to_size): New function.
8412 (finish_decl): Use it.
8414 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8416 * diagnostic.h: Include options.h.
8417 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8418 dependancies for diagnostic.h.
8419 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8421 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8423 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8424 (ssa_ro_call_cache_valid): Ditto.
8425 * tree-ssa-alias.c (sort_tags_by_id): New function.
8426 (init_transitive_clobber_worklist): Ditto.
8427 (add_to_worklist): Ditto.
8428 (mark_aliases_call_clobbered): Ditto.
8429 (compute_tag_properties): Ditto.
8430 (set_initial_properties): Ditto.
8431 (compute_call_clobbered): Ditto.
8432 (compute_may_aliases): Call compute_call_clobbered and grouping.
8433 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8434 (compute_flow_insensitive_aliasing): Grouping now happens in our
8436 (setup_pointers_and_addressables): Remove clobbering related code.
8437 (add_may_alias): Ditto.
8438 (replace_may_alias): Ditto.
8439 (get_nmt_for): Ditto.
8440 (create_global_var):
8441 (is_escape_site): Return an escape_type enumeration.
8442 * tree-flow-inline.h (is_call_clobbered): Global var does not
8443 imply call clobbered.
8444 (mark_call_clobbered): Take a reason for marking this. Remove
8445 marking of globalness, and cache invalidation.
8446 (clear_call_clobbered): Remove cache invalidation code.
8447 * tree-dfa.c (dump_variable): If details is on, dump the reason
8449 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8451 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8452 (struct var_ann_d): Ditto.
8453 (enum escape_type): New.
8454 (mark_call_clobbered): Adjust prototype.
8455 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8456 are never call clobbered.
8457 Record reasons for escaping.
8458 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8459 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8460 (ssa_ro_call_cache_valid): Ditto.
8461 (clobbered_v_may_defs): Ditto.
8462 (clobbered_vuses): Ditto.
8463 (ro_call_vuses): Ditto.
8464 (clobber_stats): New.
8465 (init_ssa_operands): Zero out clobber stats.
8466 (fini_ssa_operands): Print out clobber stats.
8467 (get_call_expr_operands): Pass callee fndecl to
8469 (add_call_clobber_ops): Remove use of cache.
8470 Add use of PURE_CONST information.
8471 (add_call_read_ops): Remove use of cache.
8472 Add use of static not_read information.
8474 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8476 Introduce TLS descriptors for i386 and x86_64.
8477 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8478 (TARGET_ANY_GNU_TLS): New macro.
8479 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8480 (struct machine_function): Add tls_descriptor_call_expanded_p.
8481 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8482 (ix86_current_function_calls_tls_descriptor): Likewise.
8483 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8484 (override_options): Introduce gnu2 tls dialect.
8485 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8487 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8489 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8490 (ix86_init_machine_status): Initialize new field.
8491 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8492 (ix86_tls_module_base): New.
8493 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8494 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8495 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8496 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8497 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8498 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8499 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8500 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8501 * config/i386/predicates.md (tls_modbase_operand): New.
8502 (tp_or_register_operand): New.
8504 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8506 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8507 (look_for_address_of): Ditto.
8508 (ipa_init): Walk the function decls.
8509 (static_execute): Don't set readonly on FUNCTION_DECL's.
8511 2006-01-18 Roger Sayle <roger@eyesopen.com>
8513 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8514 for shifts where the source and destination registers are different.
8516 2006-01-18 Paul Brook <paul@codesourcery.com>
8518 Merge from csl-arm-branch.
8519 2005-03-14 Julian Brown <julian@codesourcery.com>
8520 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8521 (aeabi_llsl): Likewise.
8522 (ashrdi3): Likewise.
8523 (aeabi_lasr): Likewise.
8524 (lshrdi3): Likewise.
8525 (aeabi_llsr): Likewise.
8526 2005-03-10 Julian Brown <julian@codesourcery.com>
8527 * config.gcc: Disable shared libgcc for SymbianOS.
8528 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8530 2006-01-18 DJ Delorie <dj@redhat.com>
8532 * c-pragma.c (handle_pragma_diagnostic): New.
8533 (init_pragma): Register it.
8534 * doc/extend.texi: Document it.
8536 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8537 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8538 (diagnostic_context): Add classify_diagnostic[].
8539 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8540 as errors if they're overridden to DK_WARNING.
8541 (diagnostic_initialize): Initialize classify_diagnostic[].
8542 (diagnostic_set_kind_override): New.
8543 (diagnostic_report_diagnostic): Check for kind changes.
8544 * opts.c (common_handle_option): Take lang_mask. Update callers.
8546 * common.opt (Werror=): New.
8547 * doc/invoke.texi: Document -Werror=*
8549 2006-01-18 Jeff Law <law@redhat.com>
8551 * tree-vrp.c (test_for_singularity): Correct test for new
8552 min limit. Use operand_equal_p rather than pointer equality
8553 for testing if new min/max values are equal.
8555 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8556 using range information until after propagation and folding.
8558 2006-01-18 Richard Henderson <rth@redhat.com>
8559 Aldy Hernandez <aldyh@redhat.com>
8560 Jakub Jelinek <jakub@redhat.com>
8561 Diego Novillo <dnovillo@redhat.com>
8563 * omp-low.c: New file.
8564 * c-omp.c: New file.
8566 2006-01-18 Richard Henderson <rth@redhat.com>
8567 Jakub Jelinek <jakub@redhat.com>
8568 Diego Novillo <dnovillo@redhat.com>
8570 * doc/invoke.texi: Document -fopenmp.
8571 * tree-dump.h (debug_function): Declare.
8572 * hooks.c (hook_bool_tree_bool_false): New function.
8573 (hook_tree_tree_null): Remove.
8574 (hook_tree_tree_tree_null): New.
8575 * hooks.h: Update to match.
8576 * tree-pretty-print.c (debug_tree_chain): New.
8577 (print_generic_expr): Handle TDF_CHAIN.
8578 (dump_generic_node): Handle BLOCK.
8579 Do not abort with incomplete SWITCH_EXPRs.
8580 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8581 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8582 print space after directive name.
8583 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8584 Handle OMP_MASTER and OMP_ORDERED.
8585 Handle printing of OMP_BODY just in one place, goto
8586 dump_omp_body in the rest of OMP_* nodes that have
8588 Don't handle clause nodes here. Update omp statements to
8589 use dump_omp_clauses.
8590 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8591 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8592 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8593 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8594 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8595 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8596 Adjust output for GOMP_PARALLEL.
8597 (dump_omp_clauses): New.
8598 (print_declaration): Dump DECL_VALUE_EXPR.
8599 (op_symbol_1): Split out of op_symbol.
8600 (dumping_stmts): Remove. Update all users.
8601 * cgraph.c (cgraph_analyze_queue): New.
8602 (cgraph_add_new_function): New.
8603 * cgraph.h (cgraph_analyze_queue): Declare.
8604 (cgraph_add_new_function): Declare.
8605 (cgraph_lower_function): Remove.
8606 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8607 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8608 and TYPE_P nodes in its default clause.
8609 (empty_body_p): New.
8610 (tree_range_check_failed): New.
8612 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8613 OMP_CLAUSE_REDUCTION_MERGE,
8614 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8615 OMP_CLAUSE_PRIVATE_DEBUG,
8616 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8617 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8618 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8619 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8620 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8621 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8622 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8623 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8624 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8625 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8626 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8627 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8628 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8629 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8630 (TREE_RANGE_CHECK): New.
8631 (empty_body_p): Declare.
8632 (enum omp_clause_default_kind): New.
8633 (build_string_literal): Declare.
8634 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8635 (build5_stat, build5): Declare.
8636 * tree-pass.h (TDF_CHAIN): Define.
8637 * tree-pass.h (PROP_gimple_lomp): Define.
8638 (pass_lower_omp): Declare.
8639 * diagnostic.h (debug_tree_chain): Declare.
8640 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8642 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8643 * builtins.c (build_string_literal): Make extern.
8644 * gcc.c (include_spec_function): New.
8645 (static_spec_functions): Add it.
8646 (main): Move load of libgomp.spec ...
8647 (LINK_COMMAND_SPEC): ... here.
8648 (link_gomp_spec): New.
8649 (static_specs): Include it.
8650 (LINK_COMMAND_SPEC): Add link_gomp.
8651 (GOMP_SELF_SPECS): New.
8652 (driver_self_specs): Include it.
8653 (switch_matches): Don't mark inline.
8654 (main): Load libgomp.spec.
8655 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8656 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8657 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8658 * tree-gimple.h (enum omp_parallel): Declare.
8659 (determine_parallel_type): Declare.
8660 (omp_firstprivatize_variable): Declare.
8661 (omp_reduction_init): Declare.
8662 (diagnose_omp_structured_block_errors): Declare.
8663 (struct walk_stmt_info): Add want_return_expr.
8664 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8665 (find_omp_clause): Declare.
8666 (insert_field_into_struct): Declare.
8667 (struct walk_stmt_info): Move from tree-nested.c
8668 (walk_stmts): Declare.
8669 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8671 * cgraphunit.c (cgraph_lower_function): Make static.
8672 (cgraph_finalize_pending_functions): New.
8673 (cgraph_finalize_function): Call it.
8674 (cgraph_finalize_compilation_unit): Likewise.
8675 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8676 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8677 (BT_FN_UINT_UINT): New.
8678 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8679 DEF_FUNCTION_TYPE_VAR_4): Document.
8680 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8681 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8682 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8683 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8684 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8685 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8686 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8687 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8688 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8689 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8690 into separate files.
8691 (DEF_GOMP_BUILTIN): New.
8692 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8693 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8694 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8695 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8696 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8697 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8698 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8699 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8700 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8701 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8702 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8703 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8704 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8705 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8706 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8707 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8708 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8709 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8710 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8711 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8712 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8713 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8714 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8715 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8716 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8717 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8718 * sync-builtins.def: New file, moved from builtins.def.
8719 * omp-builtins.def: New file, moved from builtins.def.
8720 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8721 * gimple-low.c (lower_function_body): Clear data.
8722 (lower_stmt): Do not handle COMPOUND_EXPR.
8723 Remove call to print_node_brief.
8724 * c-tree.h (c_finish_omp_clauses): New prototype.
8725 (C_DECL_THREADPRIVATE_P): Define.
8726 (lookup_name_no_remap, c_omp_remap_private): Remove
8727 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8728 (check_for_loop_decls): Update decl.
8729 (lookup_name_no_remap, c_omp_remap_private): Declare.
8730 (build_indirect_ref, build_modify_expr, pushdecl,
8731 pushdecl_top_level): Move to c-common.h.
8732 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8733 before the switch, but just in the 2 places that need it.
8734 * c-decl.c (diagnose_mismatched_decls): Do not check for
8735 mismatched thread-local attributes when OLDDECL is marked
8736 threadprivate and NEWDECL has no thread-local attributes.
8737 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8738 (c_gimple_diagnostics_recursively): Rename from
8739 c_warn_unused_result_recursively. Invoke
8740 diagnose_omp_structured_block_errors.
8741 (check_for_loop_decls): Return a singular decl found.
8742 * langhooks.c (lhd_omp_predetermined_sharing): Return
8743 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8744 (lhd_omp_firstprivatize_type_sizes): New.
8745 (lhd_omp_assignment): New.
8746 (lhd_omp_predetermined_sharing): New.
8747 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8748 (struct lang_hooks_for_types): Add
8749 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8750 omp_predetermined_sharing, omp_disregard_value_expr,
8751 omp_private_debug_clause, omp_clause_default_ctor,
8752 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8753 (c_finish_omp_clauses): New.
8754 (c_finish_bc_stmt): Diagnose break within omp for.
8755 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8756 (build_unary_op): Return error_mark after reporting
8758 (build_modify_expr): Likewise.
8759 * gimplify.c: Include optabs.h and pointer-set.h.
8760 (enum gimplify_omp_var_data): Declare.
8761 (struct gimplify_omp_ctx): Declare.
8762 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8764 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8765 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8766 (splay_tree_compare_decl_uid): New.
8767 (new_omp_context): New.
8768 (delete_omp_context): New.
8769 (gimple_add_tmp_var): Call omp_add_variable.
8770 (gimplify_bind_expr): Likewise.
8771 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8772 true, disregard DECL_VALUE_EXPR on the decl if any.
8773 (gimplify_expr_in_ctx): New.
8774 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8775 omp_add_variable, omp_notice_variable, omp_is_private
8776 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8777 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8778 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8779 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8780 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8781 gimplify_omp_atomic): New.
8782 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8783 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8784 OMP_CRITICAL and OMP_ATOMIC.
8785 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8786 * c-pragma.h (enum pragma_kind): Add
8787 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8788 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8789 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8790 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8791 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8792 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8793 PRAGMA_OMP_THREADPRIVATE.
8794 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8795 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8796 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8797 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8798 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8799 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8800 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8801 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8802 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8803 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8804 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8805 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8806 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8808 (struct nesting_info): Add field_map,
8809 suppress_expansion, debug_var_chain.
8810 (create_nesting_tree): Initialize them.
8811 (lookup_field_for_decl): Use field_map.
8812 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8813 (convert_local_omp_clauses): New.
8814 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8815 (walk_body): Split out of walk_function.
8816 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8817 (convert_nonlocal_reference): Handle omp statements.
8818 (convert_local_reference): Likewise.
8819 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8820 (unnest_nesting_tree): New.
8821 (lower_nested_functions): Call it.
8822 (insert_field_into_struct): Make extern.
8823 (struct walk_stmt_info): Move to tree-gimple.h.
8824 (walk_stmts): Make extern.
8825 * omp-builtins.def: New file.
8826 * tree-iterator.c (expr_only): Clarify comment.
8827 * c-common.h (pushdecl_top_level, pushdecl,
8828 build_modify_expr, build_indirect_ref,
8829 c_finish_omp_master, c_finish_omp_critical,
8830 c_finish_omp_ordered, c_finish_omp_barrier,
8831 c_finish_omp_atomic, c_finish_omp_flush,
8832 c_finish_omp_for, c_split_parallel_clauses,
8833 omp_clause_default_kind, c_omp_sharing_predetermined,
8834 c_omp_remap_decl): Declare.
8835 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8836 (OBJS-common): Add omp-low.o.
8837 (c-omp.o, omp-low.o): Add.
8838 (gimplify.o): Add dependency on $(OPTABS_H).
8839 (GTFILES): Add omp-low.c.
8840 (gt-stringpool.h): Add.
8841 * tree-cfg.c (set_bb_for_stmt): Do not update the
8842 block-to-labels map if we are currently expanding to RTL.
8843 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8845 Handle IDENTIFIER_NODE.
8846 (tree_verify_flow_info): Do not ICE when emitting error
8847 messages about invalid labels.
8848 (dump_function_to_file): Reset CFUN before emitting the body
8850 (debug_function): New.
8851 * passes.c (init_optimization_passes): Schedule
8853 * langhooks-def.h (lhd_omp_predetermined_sharing,
8854 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8856 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8857 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8858 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8859 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8860 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8861 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8862 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8863 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8864 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8865 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8866 (LANG_HOOK_DECLS): Use them.
8868 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8869 Richard Henderson <rth@redhat.com>
8870 Jakub Jelinek <jakub@redhat.com>
8871 Diego Novillo <dnovillo@redhat.com>
8873 * c-parser.c (pragma_omp_clause): Define.
8874 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8875 (c_parser_compound_statement): Likewise.
8876 (c_parser_statement): Likewise.
8877 (c_parser_pragma): Handle omp pragmas.
8878 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8879 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8880 (c_parser_omp_clause_name, check_no_duplicate_clause,
8881 c_parser_omp_variable_list,
8882 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8883 c_parser_omp_clause_copyprivate,
8884 c_parser_omp_clause_default,
8885 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8886 c_parser_omp_clause_lastprivate,
8887 c_parser_omp_clause_nowait,
8888 c_parser_omp_clause_num_threads,
8889 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8890 c_parser_omp_clause_reduction,
8891 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8892 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8893 c_parser_omp_atomic, c_parser_omp_barrier,
8894 c_parser_omp_critical, c_parser_omp_flush,
8895 c_parser_omp_for_loop, c_parser_omp_for,
8896 c_parser_omp_master, c_parser_omp_ordered,
8897 c_parser_omp_sections_scope, c_parser_omp_sections,
8898 c_parser_omp_parallel, c_parser_omp_single,
8899 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8900 * c-pragma.c (init_pragma): Do omp pragma registration here.
8901 * c.opt (fopenmp): New flag.
8903 2006-01-18 Eric Christopher <echristo@apple.com>
8905 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8906 * config/darwin.h (GOMP_SELF_SPECS): Define.
8908 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8910 * rtl.h: Remove the prototype for reg_alloc.
8912 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8915 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8916 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8917 sjlj and dwarf2 exception handling.
8918 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8919 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8920 * pa/pa.c (function_value): Treat complex and vector types as
8922 (function_arg): Likewise. Only pass scalar floats in the floating
8923 point argument registers.
8924 * pa/t-slibgcc-dwarf-ver: New file.
8925 * pa/t-slibgcc-sjlj-ver: New file.
8926 * pa/t-slibgcc-elf-ver: Delete file.
8928 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8930 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8931 unlikely_test_section_p test.
8933 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8935 * mode-switching.c (optimize_mode_switching): Make it static.
8936 * basic-block.h: Remove the prototype for
8937 optimize_mode_switching.
8939 * modulo-sched.c (sms_schedule): Make it static.
8940 * rtl.h: Remove the prototype for sms_schedule.
8942 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8943 * rtl.h: Remove the prototype for gcse_after_reload_main.
8945 * reg-stack.c (reg_to_stack): Make it static.
8946 * rtl.h: Remove the prototype for reg_to_stack.
8948 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8950 * rtl.h: Remove the prototypes for regrename_optimize and
8951 copyprop_hardreg_forward.
8953 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8955 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8956 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8957 Test against the appropriate null constant for the mode.
8958 If 'fixup_overlap' is true, swap the operands if they overlap.
8959 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8960 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8961 alpha_split_tmode_pair and adjust for above change.
8962 * config/alpha/alpha.md (movtf_internal): Adjust call to
8963 alpha_split_tfmode_pair and rely on it to swap the operands.
8964 (movti_internal): New insn and post-reload splitter.
8965 (movti): New expander.
8967 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8969 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8972 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8974 * rtlanal.c (global_reg_mentioned_p_1,
8975 global_reg_mentioned_p): Remove.
8976 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8978 * flow.c (initialize_uninitialized_subregs): Make it static.
8979 * rtl.h: Remove the prototype for
8980 initialize_uninitialized_subregs.
8982 * function.c (instantiate_virtual_regs): Make it static.
8983 * function.h: Remove the prototype for
8984 instantiate_virtual_regs.
8986 * regmove.c (regmove_optimize, combine_stack_adjustments):
8988 * rtl.h: Remove the prototypes for regmove_optimize and
8989 combine_stack_adjustments.
8991 2006-01-17 Roger Sayle <roger@eyesopen.com>
8993 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8994 (size_cost): Encode costs in bytes so that a reg-reg addition is
8995 equivalent to COSTS_N_INSNS(1).
8996 (override_options): Use the size_cost.branch_cost as the default
8997 ix86_branch_cost when optimizing for size.
8999 2006-01-18 Ben Elliston <bje@au.ibm.com>
9001 * Makefile.in (D32PBIT_FUNCS): New.
9002 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9003 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9004 D64PBIT_FUNCS and D128PBIT_FUNCS.
9005 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9006 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9008 (decnumber_dep): Define.
9009 * doc/libgcc.texi (Decimal float library routines): New node.
9010 * config/dfp-bit.h, config/dfp-bit.c: New files.
9012 2006-01-18 Ben Elliston <bje@au.ibm.com>
9014 * expr.c (emit_move_change_mode): Always adjust addresses, not
9015 just during reload. Copy replacements only during reload.
9016 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9017 emit_move_via_integer.
9019 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9021 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9022 instead of $(srcdir) and ${srcdir}.
9024 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9028 * arm.h (struct machine_function): Add pic_reg.
9029 * arm.c (arm_pic_register): Make unsigned.
9030 (arm_override_options): Only set arm_pic_register if
9031 TARGET_SINGLE_PIC_BASE.
9032 (use_return_insn): Only test for a pic register if it is fixed.
9033 (arm_compute_save_reg0_reg12_mask): Likewise.
9034 (thumb_compute_save_reg_mask): Likewise.
9035 (legitimate_pic_operand): Factor out some known invariants.
9036 (legitimize_pic_address): If we don't have a fixed pic register,
9037 then set up a pseudo in the function entry sequence. Handle the
9038 pic base being in a pseudo.
9039 (arm_load_pic_register): Handle the pic register being in a pseudo.
9040 (arm_expand_prologue): Only set up the pic register if it is fixed.
9041 (thumb_expand_prologue): Likewise.
9042 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9043 (pic_load_addr_based_insn): Likewise.
9044 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9047 2006-01-18 Ben Elliston <bje@au.ibm.com>
9049 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9050 decimal float modes for all floating point registers.
9052 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9053 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9055 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9058 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9059 even when the pointer is not NULL.
9061 2006-01-16 Ian Lance Taylor <ian@airs.com>
9063 * common.opt (ftoplevel-reorder): New option.
9064 * cgraph.c (cgraph_asm_nodes): New global variable.
9065 (cgraph_asm_last_node): New static variable.
9066 (cgraph_order): New global variable.
9067 (cgraph_create_node): Set new order field.
9068 (cgraph_varpool_node): Likewise.
9069 (decide_is_variable_needed): Return true if not
9070 flag_toplevel_reorder.
9071 (cgraph_add_asm_node): New function.
9072 * cgraph.h (struct cgraph_node): Add order field.
9073 (struct cgraph_varpool_node): Add order field.
9074 (struct cgraph_asm_node): Define.
9075 (cgraph_asm_nodes, cgraph_order): Declare.
9076 (cgraph_add_asm_node): Declare.
9077 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9079 (cgraph_varpool_assemble_pending_decls): Call it.
9080 (cgraph_output_pending_asms): New static function.
9081 (cgraph_finalize_compilation_unit): Call it.
9082 (struct cgraph_order_sort): Define.
9083 (cgraph_output_in_order): New static function.
9084 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9085 !flag_toplevel_reorder case.
9086 * c-parser.c: Include "cgraph.h".
9087 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9089 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9090 than -fno-unit-at-a-time.
9091 * doc/invoke.texi (Option Summary): Mention
9092 -fno-toplevel-reorder.
9093 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9094 -funit-at-a-time documentation.
9096 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9097 Kazu Hirata <kazu@codesourcery.com>
9099 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9101 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9103 * Makefile.in (FUNCTION_H): New. Use it instead of
9104 function.h throughout the file.
9105 * function.h: Include tree.h.
9107 2006-01-17 Ben Elliston <bje@au.ibm.com>
9109 * recog.c: Separate some functions with whitespace.
9111 2006-01-16 Richard Henderson <rth@redhat.com>
9113 Merge from gomp branch:
9114 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9115 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9116 and rename from struct inline_data. Rename callee* to dst*;
9117 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9118 transform_new_cfg, transform_return_to_modify, and
9119 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9121 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9122 (copy_decl_for_dup): Remove.
9123 * tree-inline.c (struct inline_data): Move to header.
9124 (insert_decl_map): Export.
9125 (remap_decl): Update for member name changes. Use copy_decl hook.
9126 Allow for replacement to be a non-decl. Remove dead code.
9127 (remap_type_1): Check for existing mapping.
9128 (remap_type): Export.
9129 (remap_decls): Update for member name changes.
9130 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9131 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9132 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9133 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9134 (tree_function_versioning, build_duplicate_type): Likewise.
9135 (copy_body_r): Likewise. Export.
9136 (copy_decl_for_dup): Split into ...
9137 (copy_decl_for_dup_finish, copy_decl_to_var,
9138 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9139 (replace_ref_tree, inlining_p): Remove.
9141 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9143 * ifcvt.c (if_convert): Make it static.
9144 * rtl.h: Remove the prototype for if_convert.
9146 * local-alloc.c (local_alloc): Make it static.
9147 * rtl.h: Remove the prototype for local_alloc.
9149 * loop.c (loop_optimize): Make it static.
9150 * cfgloop.h: Remove the prototype for loop_optimize.
9153 2006-01-16 DJ Delorie <dj@redhat.com>
9155 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9158 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9160 * pa.md: Disparage copies between general and floating-point registers
9161 in 32-bit move patterns.
9163 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9166 * Makefile.in (check-%): Depend on site.exp instead of
9167 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9170 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9172 * global.c (global_alloc): Make it static.
9173 * rtl.h: Remove the prototype for global_alloc.
9175 2006-01-16 Richard Guenther <rguenther@suse.de>
9177 * tree-ssa-alias.c (struct used_part): Add write_only field.
9178 (get_or_create_used_part_for): Initialize it to true.
9179 (create_overlap_variables_for): Don't create structure variables
9180 for structures that only are written to.
9181 (find_used_portions): Handle MODIFY_EXPR to track whether a
9182 structure is only written to.
9184 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9186 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9188 * basic-block.h: Remove the prototype for
9189 partition_hot_cold_basic_blocks.
9191 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9193 * cppspec.c (lang_specific_spec_functions): Remove.
9194 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9195 * gcc.h (lang_specific_spec_functions): Remove.
9196 * gccspec.c (lang_specific_spec_functions): Remove.
9198 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9200 * combine.c (record_value_for_reg): Invalidate registers
9202 (record_dead_and_set_regs_1): Likewise, by passing them to
9203 record_value_for_reg.
9204 (record_dead_and_set_regs): Invalidate stores made by a
9205 call. We do not combine across a call, but we still
9206 relied on equivalences.
9208 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9210 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9211 vrp_int_const_binop returning non-constant nodes.
9213 2006-01-16 Paul Brook <paul@codesourcery.com>
9215 * config/m68k/m68k.c (output_move_const_into_data_reg):
9216 Output correct mnemonic for mvz and mvs.
9218 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9220 * rtl-factoring.c: Add sequence abstraction algorithm.
9221 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9222 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9224 (block_has_preserve_label): New function.
9225 * common.opt: Register new pass.
9226 * Makefile.in: Ditto.
9228 * timevar.def: Ditto.
9229 * tree-pass.h: Ditto.
9230 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9231 * rtl.h (make_jump_insn_raw): Add forward decl.
9232 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9234 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9235 Roger Sayle <roger@eyesopen.com>
9237 * fold-const.c (fold_minmax): New static function.
9238 (fold_binary) <MIN_EXPR>: Call it.
9239 <MAX_EXPR>: Likewise.
9240 * stor-layout.c (place_field): Use DECL_SIZE consistently
9241 in the computation of the new record size.
9243 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9245 * cse.c (cse_condition_code_reg): Make it static.
9246 * rtl.h: Remove the prototype for cse_condition_code_reg.
9248 * combine.c (combine_instructions): Make it static.
9249 * rtl.h: Remove the prototype for combine_instructions.
9251 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9254 * tree.c (get_file_function_name_long): Concatenate the first global
9255 object name with a string derived from the input filename of the object
9258 2006-01-16 Ben Elliston <bje@au.ibm.com>
9260 * config/i386/winnt-stubs.c: Update FSF address.
9261 * config/xtensa/ieee754-df.S: Ditto.
9262 * config/xtensa/ieee754-sf.S: Ditto.
9264 2006-01-14 Ian Lance Taylor <ian@airs.com>
9266 * ifcvt.c (noce_init_if_info): New static function, broken out of
9267 noce_process_if_block.
9268 (noce_process_if_block): Call noce_init_if_info.
9269 (check_cond_move_block): New static function.
9270 (cond_move_process_if_block): New static function.
9271 (process_if_block): Call cond_move_process_if_block.
9273 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9275 * cselib.c (hash_table): Rename to cselib_hash_table.
9276 (cselib_clear_table, discard_useless_values,
9277 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9278 cselib_init, cselib_finish): Adjust uses of hash_table.
9280 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9282 PR tree-optimization/25485
9283 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9284 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9285 is known to be false and true, respectively.
9287 2006-01-14 Richard Guenther <rguenther@suse.de>
9289 PR tree-optimization/22548
9290 PR tree-optimization/22555
9291 PR tree-optimization/22501
9292 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9293 * params.def (salias-max-array-elements): New parameter.
9294 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9295 * doc/invoke.texi (salias-max-array-elements): Document.
9296 * tree-flow-inline.h (var_can_have_subvars): We also handle
9298 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9300 * tree-ssa-structalias.c (params.h): Include.
9301 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9302 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9303 (get_constraint_for): For ADDR_EXPR operating on something
9304 containing an ARRAY_REF, add all subvars to the solution.
9305 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9306 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9307 for creating MUST_DEFs.
9308 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9310 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9312 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9314 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9315 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9316 number_of_iterations_le): New functions.
9317 (number_of_iterations_special): Removed.
9318 (number_of_iterations_exit): Do not use number_of_iterations_special.
9319 * tree.c (unsigned_type_for): Always return integer type.
9321 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9322 Richard Guenther <rguenther@suse.de>
9324 PR rtl-optimization/24257
9325 * gcse.c (find_moveable_store): Only consider a store movable
9326 when the SET_SRC of the insn can be assigned to a register.
9328 2006-01-14 Ian Lance Taylor <ian@airs.com>
9330 * tree.c (tree_not_class_check_failed): New function.
9331 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9332 (tree_not_class_check_failed): Declare.
9334 2006-01-13 Ian Lance Taylor <ian@airs.com>
9336 * reload1.c (do_output_reload): Add assertion rejecting a
9339 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9341 * combine.c (struct reg_stat): Add new fields truncation_label and
9343 (record_value_for_reg): Reset truncated_to_mode.
9344 (record_truncated_value): New function.
9345 (check_promoted_subreg): Call it. Rename to check_conversions.
9346 (combine_instructions): Rename check_promoted_subreg to
9348 (reg_truncated_to_mode): New function.
9349 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9350 (gen_lowpart_or_truncate): New function.
9351 (force_to_mode): Use it instead of gen_lowpart.
9353 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9355 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9356 VAR is a tag, not its type tag.
9358 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9360 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9361 alternatives to match style of other entries.
9362 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9364 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9366 PR tree-optimization/25771
9367 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9370 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9373 * tree-inline.c (declare_return_variable): If the return variable
9374 was marked as a non gimple complex, set the return slot variable
9375 to be a non gimple comple variable.
9377 2006-01-13 Richard Guenther <rguenther@suse.de>
9379 * builtins.c (expand_builtin_sincos): New function.
9380 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9382 (expand_builtin): Expand sincos using expand_builtin_sincos.
9384 2006-01-12 DJ Delorie <dj@redhat.com>
9386 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9387 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9388 so that constant shifts can be split.
9389 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9390 (m32c_valid_pointer_mode): Make static.
9391 (shift_gen_func_for): New.
9392 (m32c_prepare_shift): Use it. Split large const shifts into
9394 * config/m32c/predicates.md (shiftcount_operand): Allow more
9396 (longshiftcount_operand): New.
9397 * doc/md.texi (Machine Constraints): Document In6.
9399 2006-01-13 Ben Elliston <bje@au.ibm.com>
9401 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9402 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9405 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9407 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9408 to try to avoid clobbering pieces of structures when we know
9409 something about the whole structure.
9410 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9412 2006-01-13 Ben Elliston <bje@au.ibm.com>
9414 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9415 return in memory, as this is no limitation is no longer present.
9417 2006-01-12 DJ Delorie <dj@redhat.com>
9419 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9420 mova with fb, and for fb+0 -> An.
9422 * config/m32c/mov.md (peephole2): Fix enabling logic.
9424 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9425 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9426 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9427 FINI_ARRAY_SECTION_ASM_OP): Define.
9429 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9431 (m32c_legitimize_reload_address): New logic to reload FB to An.
9432 (m32c_output_reg_push): Add newline.
9433 (m32c_output_reg_pop): Likewise.
9435 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9437 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9439 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9441 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9443 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9445 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9448 2006-01-11 Ben Elliston <bje@au.ibm.com>
9450 * rtlanal.c (find_reg_note): Assert insn is not null.
9452 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9454 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9457 2006-01-11 Jeff Law <law@redhat.com>
9459 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9461 (mark_threaded_blocks, register_jump_thread): New functions.
9462 (thread_through_all_blocks): Remove unwanted argument. No
9463 longer rely on e->aux to communicate thread target info.
9464 Call mark_threaded_blocks. Release the threaded_blocks
9465 bitmap and threaded_edges vector when complete.
9466 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9467 (threaded_blocks): Remove.
9468 (tree_ssa_dominator_optimize): Remove initialization and
9469 finalization of threaded_blocks. Simplify call to
9470 thread_through_all_blocks.
9471 (thread_across_edge): Call register_jump_thread rather than
9472 storing thread information into e->aux.
9473 (free_all_edge_infos): Simplify now that e->aux is no longer
9474 used to communicate with thread_through_all_blocks.
9475 * tree-flow.h (thread_through_all_blocks): Update prototype.
9476 (register_jump_thread): Prototype.
9478 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9480 * df-core.c (df_compact_blocks, df_bb_replace): Use
9481 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9483 2006-01-11 Richard Guenther <rguenther@suse.de>
9485 PR tree-optimization/25734
9486 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9487 stop propagation after successful propagation to the LHS.
9489 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9491 * basic-block.h (control_flow_graph): Change the type of
9492 x_basic_block_info to VEC(basic_block,gc) *.
9493 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9495 (SET_BASIC_BLOCK): New.
9496 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9497 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9498 * cfgbuild.c (find_basic_blocks): Likewise.
9499 * cfglayout.c (fixup_reorder_chain): Likewise.
9500 * cfgrtl.c (create_basic_block_structure,
9501 rtl_create_basic_block): Likewise.
9502 * ifcvt.c (find_if_case_1): Likewise.
9503 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9506 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9508 * Makefile.in: Removed rotted odf.c entry.
9510 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9513 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9514 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9515 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9516 output pattern modifier, not %e.
9517 * config/cris/cris.c (cris_op_str): Update comment about pattern
9519 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9520 before falling through into...
9521 <case 'E'>: Redefined from old 'e' case.
9523 2006-01-11 Jan Hubicka <jh@suse.cz>
9526 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9528 2006-01-11 Jan Hubicka <jh@suse.cz>
9530 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9531 * i386.c (x86_decompose_lea): Kill.
9532 (ix86_rtx_costs): Kill.
9534 2006-01-11 Jan Hubicka <jh@suse.cz>
9536 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9537 * cgraph.h (cgraph_node): Add inline_decl.
9538 (cgraph_insert_node_to_hashtable): Declare.
9539 (save_inline_function_body): Declare.
9540 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9542 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9543 (cgraph_function_versioning): Update call of tree_function_versioning.
9544 (save_inline_function_body): New function.
9545 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9546 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9547 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9548 (cgraph_default_inline_p): Likewise.
9549 (cgraph_decide_inlining_incrementally): Likewise.
9550 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9551 (copy_bb): Kill saving; do updating of clones.
9552 (copy_cfg_body): Kill saving.
9553 (initialize_inlined-parameters): Likewise.
9554 (expand_call_inline): Likewise.
9556 (tree_function_versioning): New parameter "update_clones".
9557 (inlining_p): Kill saving.
9558 * tree-inline.h (tree_function_versioning): Update prototype.
9559 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9562 2006-01-11 Ian Lance Taylor <ian@airs.com>
9564 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9565 Allow undoing set of machine mode.
9566 (do_SUBST): Use enums instead of is_int.
9567 (do_SUBST_MODE): New function.
9568 (SUBST_MODE): New macro.
9569 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9570 reg and trying to replace reg_regno_rtx with a new register.
9571 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9572 (simplify_set): Use SUBST_MODE.
9573 (distribute_notes): Remove code that tried to update reg notes
9574 for regno_reg_rtx changes.
9576 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9578 PR tree-optimization/23109
9579 PR tree-optimization/23948
9580 PR tree-optimization/24123
9582 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9583 * tree-cfg.c (single_noncomplex_succ): New.
9584 * tree-flow.h (single_noncomplex_succ): Declare it.
9585 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9586 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9587 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9588 insert_bb, register_division_in, insert_reciprocals,
9589 replace_reciprocal, free_bb): New.
9590 (execute_cse_reciprocals_1): Rewritten.
9591 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9592 Do not commit any edge insertion. Always compute dominators and
9593 create the allocation pool.
9594 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9595 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9596 * targhooks.c (default_min_divistions_for_recip_mul): New.
9597 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9598 * passes.c (init_optimization_passes): Run recip after tree loop
9600 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9602 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9603 Kenneth Zadeck <zadeck@naturalbridge.com>
9605 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9606 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9607 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9608 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9609 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9610 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9611 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9612 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9613 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9614 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9615 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9616 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9617 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9618 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9619 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9620 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9621 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9622 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9623 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9624 DF_SCAN_POST_ALLOC): New macros.
9625 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9626 df_free_bb_function, df_local_compute_function, df_init_function,
9627 df_dataflow_function, df_confluence_function_0,
9628 df_confluence_function_n, df_transfer_function,
9629 df_finalizer_function, df_free_function, df_dump_problem_function,
9630 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9631 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9632 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9633 df_urec_bb_info, ) New types.
9634 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9636 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9637 df_analyze_simple_change_some_blocks,
9638 df_analyze_simple_change_one_block, df_compact_blocks,
9639 df_bb_replace, df_bb_regno_last_use_find,
9640 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9641 df_insn_regno_def_p, df_find_def, df_find_use,
9642 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9643 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9644 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9645 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9646 debug_df_chain, df_get_dependent_problem, df_chain_create,
9647 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9648 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9649 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9650 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9651 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9652 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9653 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9654 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9655 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9656 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9657 df_reorganize_refs, df_set_state, df_hard_reg_init,
9658 df_read_modify_subreg_p) New public functions.
9659 * df-core.c: The core dataflow solver and glue routines for rtl
9661 (df_init, df_add_problem, df_set_blocks, df_finish,
9662 df_hybrid_search_forward, df_hybrid_search_backward,
9663 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9664 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9665 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9666 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9667 df_reg_defined, df_find_use, df_reg_used, df_dump,
9668 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9669 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9670 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9671 debug_df_useno, reset_df_after_reload): New functions.
9672 * df-scan.c: The scanning fuctions, once in df.c, completely
9673 rewritten so that they now fully model the functionality of
9674 register usage at the backend.
9675 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9676 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9677 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9678 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9679 df_get_artificial_defs, df_get_artificial_uses,
9680 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9681 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9682 df_refs_delete, df_reorganize_refs, df_set_state,
9683 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9684 df_def_record_1, df_defs_record, df_uses_record,
9685 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9686 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9687 df_record_exit_block_uses, df_hard_reg_init): New functions.
9689 * df-problems.c: Seven concrete dataflow problems that use the
9690 scanning in df-scan.c and are solved by the engine in df-core.c.
9691 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9692 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9693 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9694 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9695 df_ru_free_bb_info, df_ru_alloc,
9696 df_ru_bb_local_compute_process_def,
9697 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9698 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9699 df_ru_transfer_function, df_ru_free, df_ru_dump,
9700 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9701 df_rd_free_bb_info, df_rd_alloc,
9702 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9703 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9704 df_rd_transfer_function, df_rd_free, df_rd_dump,
9705 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9706 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9707 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9708 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9709 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9710 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9711 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9712 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9713 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9714 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9715 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9716 df_urec_mark_reg_use_for_earlyclobber,
9717 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9718 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9719 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9720 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9721 df_chain_create_bb_process_use, df_chain_create_bb,
9722 df_chain_finalize, df_chain_free, df_chains_dump,
9723 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9724 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9725 df_reg_lifetime): New functions.
9726 * df.c: Deleted file.
9727 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9728 consistent with new df api.
9729 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9730 rest_of_handle_sms): Ditto.
9731 * web.c (unionfind_union, union_defs, entry_register, web_main):
9733 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9734 invariant_expr_equal_p, find_defs, check_dependencies,
9735 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9736 free_inv_motion_data, move_loop_invariants): Ditto.
9737 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9738 Update dependencies.
9739 (odf.c): Added defective entry that was deleted later in day.
9740 * sched-deps.c (sched_analyze_1): Ditto.
9742 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9744 * tree-ssa-operands.c (get_expr_operands): Record addressable
9745 variables directly. Do not call add_stmt_operands for CONST_DECLs
9747 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9748 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9750 2006-01-11 Ben Elliston <bje@au.ibm.com>
9752 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9753 function returns true in the positive case.
9755 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9758 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9759 for SI, DI, SF and DF modes. Add alternatives to copy between
9760 general and floating point registers to the 32-bit patterns.
9761 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9762 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9763 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9764 generating 64-bit code.
9765 * config/pa/pa.c (output_move_double): Handle copies between general
9766 and floating registers.
9768 2006-01-10 Stuart Hastings <stuart@apple.com>
9770 * config/i386/i386.md (set_got): Update.
9771 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9772 (builtin_setjmp_receiver): Mach-O support.
9773 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9774 (GOT_SYMBOL_NAME): Define.
9775 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9776 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9777 * config/i386/i386.c (override_options): Revise for Darwin.
9778 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9779 support. (darwin_x86_file_end): New. (output_set_got): Add label
9780 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9781 * config/i386/i386-protos.h (output_set_got): Likewise.
9782 * config/darwin.c (machopic_legitimize_pic_address): Update
9785 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9787 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9788 when MODE isn't BLKmode.
9790 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9792 PR rtl-optimization/25367
9793 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9795 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9798 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9799 for a negative bound.
9801 2006-01-10 Richard Guenther <rguenther@suse.de>
9803 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9804 Never override with anything constraint.
9806 2006-01-10 Jan Beulich <jbeulich@novell.com>
9808 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9809 256 bits when optimize_size.
9811 2006-01-10 Jan Beulich <jbeulich@novell.com>
9813 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9815 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9816 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9819 2006-01-10 Ben Elliston <bje@au.ibm.com>
9821 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9823 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9824 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9825 (USE_FP_FOR_ARG): Reject decimal float modes.
9826 (function_arg_advance): Likewise.
9827 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9828 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9829 point types in AltiVec vectors.
9830 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9831 (rs6000_libcall_value): Likewise.
9833 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9835 * config/xtensa/ieee754-df.S: New file.
9836 * config/xtensa/ieee754-sf.S: New file.
9837 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9838 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9839 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9841 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9843 * config/sh/predicates.md (binary_float_operator,
9844 binary_logical_operator, commutative_float_operator,
9845 equality_comparison_operator, greater_comparison_operator,
9846 less_comparison_operator, logical_operator,
9847 noncommutative_float_operator, shift_operator,
9848 symbol_ref_operand, unary_float_operator): Remove redundant
9851 2006-01-09 Jeff Law <law@redhat.com>
9853 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9854 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9855 now unused arguments. Callers updated.
9856 (eliminate_redundant_computations): Remove now unused arguments,
9858 (local_fold): Remove, no longer used.
9859 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9861 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9862 (simplify_cond): New function.
9863 (forward_propagate_into_cond): Call simplify_cond.
9865 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9867 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9868 (*vec_extractv2di_1_sse): New.
9870 2006-01-09 Ben Elliston <bje@au.ibm.com>
9872 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9874 2006-01-08 Richard Guenther <rguenther@suse.de>
9876 * tree-ssa-structalias.c (get_constraint_for): Remove
9878 (get_constraint_for_component_ref): Likewise.
9879 (do_deref): Likewise.
9880 (get_constraint_for): Likewise.
9881 (do_structure_copy): Likewise.
9882 (handle_ptr_arith): Likewise.
9883 (find_func_aliases): Likewise. Remove unused need_anyoffset
9886 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9887 Kaz Kojima <kkojima@gcc.gnu.org>
9889 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9890 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9891 (EXTRA_CONSTRAINT_C16): Remove.
9892 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9893 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9894 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9895 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9896 constants of SHmedia. Handle nested constant expressions of
9898 (andcosts): Fix the costs for SHmedia constants.
9899 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9900 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9901 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9902 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9903 (movv4hi_i, movv2si_i): Likewise.
9904 (movsi_const): Adjust the second operand of ior so to match with
9906 (movdi_const, movdi_const_32bit): Likewise.
9907 (movdi_const_16bit+1): Don't sign-extend LOW.
9908 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9910 (*double_shori): Fix the split condition. Use GEN_INT instead
9911 of get_int_mode calls. Mask lower 16-bit of the argument of
9913 (sym2GOTPLT): Remove.
9914 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9916 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9917 instead of EXTRA_CONSTRAINT_C16.
9919 2006-01-07 Ian Lance Taylor <ian@airs.com>
9920 David Edelsohn <edelsohn@gnu.org>
9922 PR rtl-optimization/25662
9923 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9924 for constant operands instead of simplify_gen_binary.
9925 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9926 after trying simplify_binary_operation
9928 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9930 * tree.c (iterative_hash_expr): Hash decls based on UID.
9932 2006-01-06 Eric Christopher <echristo@apple.com>
9934 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9935 (TARGET_UNWIND_EMIT): Fix spelling.
9936 * target.h (gcc_target): Add except_table_label.
9937 * except.c (output_function_exception_table): Use.
9938 * varasm.c (default_emit_except_table_label): New.
9939 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9941 (asm_out): Add here.
9942 * output.h (default_emit_except_table_label): Prototype.
9943 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9944 * config/darwin.c (darwin_emit_except_table_label): Define.
9945 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9947 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9949 PR tree-optimization/18527
9950 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9951 number_of_iterations_special, number_of_iterations_exit):
9952 Move base and step of an iv to a single structure. Add
9953 no_overflow flag, and use it in # of iterations analysis.
9954 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9955 folded_casts argument.
9956 (simple_iv): Pass base and step in a structure. Set no_overflow
9958 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9959 Evaluate expensiveness of computing # of iterations instead of
9960 the final expression.
9961 * tree-scalar-evolution.h (affine_iv): New structure.
9962 (simple_iv): Declaration changed.
9963 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9964 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9965 find_givs_in_stmt): Changed due to simple_iv change.
9967 2006-01-06 Jeff Law <law@redhat.com>
9970 * tree-cfg.c (bsi_replace): Rename final argument from
9971 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9972 change (stmt -> orig_stmt).
9973 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9974 (bsi_remove): Add new argument. Remove EH information
9976 (verify_eh_throw_table_statements): New function.
9977 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9979 * tree-optimize.c (execute_free_cfg_annotations): Verify
9980 the EH throw statement table after removing annotations.
9981 * except.h (verify_eh_throw_table_statements): Prototype.
9982 * tree-flow.h (bsi_remove): Update prototype.
9983 * tree-vrp.c (remove_range_assertions): Add new argument to
9985 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9986 * tree-complex.c (expand_complex_div_wide): Likewise.
9987 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9988 * tree-tailcall.c (eliminate_tailcall): Likewise.
9989 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9990 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9991 * tree-nrv.c (tree_nrv): Likewise.
9992 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9993 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9994 (combine_blocks): Likewise.
9995 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9996 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9997 (cleanup_control_flow): Likewise.
9998 (remove_forwarder_block): Likewise.
9999 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10000 * tree-sra.c (sra_replace): Likewise.
10001 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10002 (forward_propagate_single_use_vars): Likewise.
10003 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10004 * tree-inline.c (expand_call_inline): Likewise.
10005 * tree-vect-transform.c (vect_transform_loop): Likewise.
10006 * tree-outof-ssa.c (rewrite_trees): Likewise.
10007 * tree-cfg.c (make_goto_expr_edges): Likewise.
10008 (cleanup_dead_labels): Likewise.
10009 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10010 (bsi_move_before, bsi_move_after): Likewise.
10011 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10012 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10014 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10017 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10019 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10020 on non gimple variables. Also add checks at the top for decls and
10022 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10024 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10025 and IMAGPART_EXPR for creating MUST_DEFs.
10026 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10027 and NAME_MEMORY_TAG separately from the DECLs.
10029 2006-01-06 Richard Guenther <rguenther@suse.de>
10031 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10032 annotation, if necessary.
10033 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10034 redundant calls to update_stmt.
10035 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10038 2006-01-05 Richard Henderson <rth@redhat.com>
10040 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10042 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10044 * c-typeck.c: Update copyright date.
10046 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10048 * c-typeck.c (build_c_cast): Always warn when casting
10049 from a pointer to an integer of different size, even if
10050 the node was constant.
10052 2006-01-05 Richard Guenther <rguenther@suse.de>
10054 PR tree-optimization/22555
10055 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10056 if one structure field is an array.
10057 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10058 operands even if we found a subvar, but ignore VOPs in this
10060 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10062 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10064 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10066 PR middle-end/24998
10067 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10069 2006-01-05 Richard Guenther <rguenther@suse.de>
10070 Diego Novillo <dnovillo@redhat.com>
10072 * tree-pass.h (TODO_remove_unused_locals): Define.
10073 * gimple-low.c (expand_var_p, remove_useless_vars,
10074 pass_remove_useless_vars): Remove. Update all users.
10075 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10076 (remove_unused_locals): New function.
10077 * tree-flow.h (remove_unused_locals): Declare.
10078 * passes.c (execute_todo): Call remove_unused_locals if
10079 TODO_remove_unused_locals is set.
10080 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10081 * tree-ssa-dce.c (pass_dce): Likewise.
10082 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10084 2006-01-05 Richard Guenther <rguenther@suse.de>
10086 * tree-flow.h (struct fieldoff): Decompose field to
10087 type, size and decl.
10088 * tree-ssa-alias.c (create_sft): Take type as parameter.
10089 (create_overlap_variables_for): Store type, size and decl
10090 in the fieldoff structure.
10091 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10092 of struct fieldoff.
10093 (push_fields_onto_fieldstack): Likewise.
10094 (create_variable_info_for): Likewise. Use offset for the
10095 SFT name if the decl is not available.
10097 2006-01-04 Paul Brook <paul@codesourcery.com>
10099 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10101 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10103 * lambda-code.c (can_put_in_inner_loop): Relax
10105 (can_put_after_inner_loop): New function.
10106 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10107 (perfect_nestify): Change to make copies and modify uses.
10109 2006-01-04 Richard Henderson <rth@redhat.com>
10111 Merge from gomp branch:
10112 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10113 via integer constant.
10114 (pragma_lex): Remove.
10115 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10116 rather than parsing it.
10117 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10118 handle_pragma_extern_prefix): Add %< %> quotes.
10119 (registered_pragmas): New.
10120 (c_register_pragma_1): New.
10121 (c_register_pragma): Use it.
10122 (c_register_pragma_with_expansion): Likewise.
10123 (c_invoke_pragma_handler): New.
10124 (init_pragma): Use cpp_register_deferred_pragma directly for
10126 * c-pragma.h (enum pragma_kind): New.
10127 (pragma_handler): New.
10128 (c_invoke_pragma_handler): Declare.
10129 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10131 * c-common.h (c_common_pch_pragma): Update decl.
10132 * Makefile.in (c-parser.o): Update dependencies.
10133 (GTFILES): Add c-pragma.h.
10134 * c-parser.c (struct c_token): Add pragma_kind.
10135 (struct c_parser): Add in_pragma.
10136 (c_lex_one_token): Always initialize keyword and pragma_kind.
10137 Extract data for CPP_PRAGMA.
10138 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10139 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10140 Don't allow CPP_PRAGMA_EOL if in_pragma.
10141 (c_parser_consume_pragma): New.
10142 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10143 (c_parser_skip_to_end_of_parameter): Likewise.
10144 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10145 (c_parser_skip_to_pragma_eol): New.
10146 (c_parser_external_declaration): Handle CPP_PRAGMA.
10147 (c_parser_compound_statement_nostart): Likewise.
10148 (c_parser_statement_after_labels): Likewise.
10149 (c_parser_pragma): New.
10150 (pragma_lex): Likewise.
10151 (c_parser_pragma_pch_preprocess): New.
10152 (c_parser_new): Merge into ...
10153 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10155 2006-01-04 Jeff Law <law@redhat.com>
10158 * tree-cfg.c (bsi_replace): Remove the original statement
10159 from the EH throw statement table.
10161 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10163 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10164 make the prototype extern "C" and add throw ().
10167 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10168 and pos non-negative and pos + len <= 32.
10169 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10170 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10171 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10174 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10175 as well as sizes not multiple of component size.
10178 * function.c (instantiate_expr): New function.
10179 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10180 walk its DECL_VALUE_EXPR with instantiate_expr.
10182 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10183 DW_OP_deref{,_size} if address isn't going to be added.
10185 2006-01-04 Ben Elliston <bje@au.ibm.com>
10187 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10188 * config/fp-bit.c: Likewise.
10190 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10192 * dominance.c: Add comment about why we use DFS numbering
10195 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10196 Richard Henderson <rth@redhat.com>
10198 Merge from gomp-branch:
10199 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10200 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10202 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10204 PR rtl-optimization/25578
10205 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10206 pass a parameter to simplify_shift_const if changing ASHIFTRT
10209 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10211 * builtins.c (get_builtin_sync_mem): New function.
10212 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10213 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10214 Call get_builtin_sync_mem to generate mem rtx.
10216 2006-01-03 Richard Guenther <rguenther@suse.de>
10219 * stmt.c (add_case_node): Make sure to clear overflow flags
10222 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10224 Merge from gomp-branch.
10225 * config/sparc/sync.md: New file.
10226 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10227 UNSPECV_LDSTUB): New constants.
10228 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10229 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10230 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10233 2006-01-03 Roger Sayle <roger@eyesopen.com>
10235 * combine.c (reg_subword_p): New predicate to test whether the
10236 destination of a set refers to a subword/piece of a register.
10237 (try_combine): Generalize the code to merge the setting of a
10238 pseudo to a constant followed by a set of a subword of that
10239 register to a constant.
10241 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10243 * basic-block.h (control_flow_graph): Change the type of
10244 x_label_to_block_map to VEC(basic_block,gc) *.
10245 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10246 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10248 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10249 VEC(basic_block,heap) *.
10250 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10251 ssa_prop_fini): Adjust the uses of cfg_blocks.
10253 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10255 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10257 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10258 hashing trees instead of a pointer hash.
10259 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10260 compare for MEM_EXPR.
10262 PR rtl-optimization/25130
10263 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10264 when comparing MEMs for GCSE
10266 2006-01-03 Ben Elliston <bje@au.ibm.com>
10268 * targhooks.h (default_decimal_float_supported_p): Declare.
10269 * targhooks.c (default_decimal_float_supported_p): Define.
10270 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10271 `default_decimal_float_supported_p'.
10272 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10274 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10276 * combine.c (apply_distributive_law <SUBREG>): Check
10277 TRULY_NOOP_TRUNCATION.
10279 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10281 * dwarf2out.c (have_switched_text_section): Delete.
10282 (have_multiple_function_sections): New.
10283 (have_location_lists): Make 'bool'.
10284 (add_AT_loc_list): Use 'true' not '1'.
10285 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10286 (output_loc_list): Use have_multiple_function_sections.
10287 (output_ranges): Likewise.
10288 (dwarf2out_begin_function): Set have_multiple_function_sections if
10290 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10291 Check function_section rather than DECL_SECTION_NAME.
10292 (dwarf2out_finish): Use have_multiple_function_sections.
10293 Don't clear have_location_lists.
10295 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10296 Jan Hubicka <jh@suse.cz>
10298 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10299 case of conditional jump jumping to the next instruction.
10300 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10301 cases of conditional jump jumping to the next instruction.
10303 2006-01-02 Jan Hubicka <jh@suse.cz>
10305 * i386.c (*_cost): Add COSTS_N_INSNS.
10306 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10308 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10311 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10313 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10315 * config/arm/arm.c (all_fpus): Fix comment typo.
10316 * config/darwin.c: Likewise.
10317 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10318 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10319 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10321 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10323 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10324 (rs6000_split_compare_and_swapqhi): New.
10325 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10326 (sync_compare_and_swapqhi_internal): New.
10327 * config/rs6000/rs6000-protos.h: Declare.
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